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-rw-r--r--components/drivers/serial/SConscript5
-rw-r--r--components/drivers/serial/utest/Kconfig56
-rw-r--r--components/drivers/serial/utest/SConscript15
-rw-r--r--components/drivers/serial/utest/bypass/SConscript11
-rw-r--r--components/drivers/serial/utest/bypass/bypass_conflict.c185
-rw-r--r--components/drivers/serial/utest/bypass/bypass_lower_run.c133
-rw-r--r--components/drivers/serial/utest/bypass/bypass_register.c116
-rw-r--r--components/drivers/serial/utest/bypass/bypass_upper_run.c129
-rw-r--r--components/drivers/serial/utest/v2/README.md154
-rw-r--r--components/drivers/serial/utest/v2/SConscript18
-rw-r--r--components/drivers/serial/utest/v2/posix/uart_posix_echo_block.c281
-rw-r--r--components/drivers/serial/utest/v2/posix/uart_posix_nonblock.c182
-rw-r--r--components/drivers/serial/utest/v2/qemu/uart_qemu_echo.c171
-rw-r--r--components/drivers/serial/utest/v2/uart_blocking_rx.c88
-rw-r--r--components/drivers/serial/utest/v2/uart_blocking_tx.c119
-rw-r--r--components/drivers/serial/utest/v2/uart_flush_rx.c174
-rw-r--r--components/drivers/serial/utest/v2/uart_flush_txb.c188
-rw-r--r--components/drivers/serial/utest/v2/uart_flush_txnb.c188
-rw-r--r--components/drivers/serial/utest/v2/uart_get_unread_bytes_count.c145
-rw-r--r--components/drivers/serial/utest/v2/uart_nonblocking_rx.c98
-rw-r--r--components/drivers/serial/utest/v2/uart_nonblocking_tx.c124
-rw-r--r--components/drivers/serial/utest/v2/uart_overflow_rxb_txb.c251
-rw-r--r--components/drivers/serial/utest/v2/uart_rxb_txb.c259
-rw-r--r--components/drivers/serial/utest/v2/uart_rxb_txnb.c292
-rw-r--r--components/drivers/serial/utest/v2/uart_rxnb_txb.c295
-rw-r--r--components/drivers/serial/utest/v2/uart_rxnb_txnb.c323
-rw-r--r--components/drivers/serial/utest/v2/uart_timeout_rxb.c139
-rw-r--r--components/drivers/serial/utest/v2/uart_timeout_rxb_txb.c221
-rw-r--r--components/drivers/serial/utest/v2/uart_timeout_txb.c129
29 files changed, 4489 insertions, 0 deletions
diff --git a/components/drivers/serial/SConscript b/components/drivers/serial/SConscript
index 04fa37ed44..d0b5fb0635 100644
--- a/components/drivers/serial/SConscript
+++ b/components/drivers/serial/SConscript
@@ -24,4 +24,9 @@ if GetDepend(['RT_USING_DM']):
group = DefineGroup('DeviceDrivers', src, depend = [''], CPPPATH = CPPPATH)
+list = os.listdir(cwd)
+for item in list:
+ if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
+ group = group + SConscript(os.path.join(item, 'SConscript'))
+
Return('group')
diff --git a/components/drivers/serial/utest/Kconfig b/components/drivers/serial/utest/Kconfig
new file mode 100644
index 0000000000..cc6413374f
--- /dev/null
+++ b/components/drivers/serial/utest/Kconfig
@@ -0,0 +1,56 @@
+menu "Serial Unit Testcases"
+
+ config UTEST_SERIAL_BYPASS
+ bool "Serial Bypass testcases"
+ default n
+ depends on RT_USING_SERIAL_BYPASS
+
+ config UTEST_SERIAL_TC
+ bool "Serial V2 testcases"
+ default n
+ depends on RT_USING_SERIAL_V2
+
+ if UTEST_SERIAL_TC
+
+ config RT_SERIAL_TC_DEVICE_NAME
+ string "the device name for serial test"
+ default "uart2"
+
+ config RT_SERIAL_TC_RXBUF_SIZE
+ int "the rx buffer size for serial test"
+ default 128
+
+ config RT_SERIAL_TC_TXBUF_SIZE
+ int "the tx buffer size for serial test"
+ default 128
+
+ config RT_SERIAL_TC_SEND_ITERATIONS
+ int "the number of iterations for the test routine."
+ default 100
+
+ config UTEST_SERIAL_QEMU_TC
+ bool "qemu dedicated tests"
+ default n
+
+ config UTEST_SERIAL_POSIX_TC
+ bool "Serial posix testcase"
+ default n
+ select RT_USING_DFS
+ select RT_USING_POSIX_FS
+ select RT_USING_POSIX_TERMIOS
+
+ if UTEST_SERIAL_POSIX_TC
+
+ config RT_SERIAL_POSIX_TC_DEVICE_NAME
+ string "the device name for serial posix test"
+ default "dev/uart2"
+
+ config RT_SERIAL_POSIX_TC_SEND_ITERATIONS
+ int "the number of iterations for the posix test routine."
+ default 100
+
+ endif
+
+ endif
+
+endmenu \ No newline at end of file
diff --git a/components/drivers/serial/utest/SConscript b/components/drivers/serial/utest/SConscript
new file mode 100644
index 0000000000..e98495c213
--- /dev/null
+++ b/components/drivers/serial/utest/SConscript
@@ -0,0 +1,15 @@
+Import('rtconfig')
+from building import *
+
+cwd = GetCurrentDir()
+src = []
+CPPPATH = [cwd]
+
+group = DefineGroup('utestcases', src, depend = ['RT_USING_UTESTCASES', 'RT_USING_SERIAL'], CPPPATH = CPPPATH)
+
+list = os.listdir(cwd)
+for item in list:
+ if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
+ group = group + SConscript(os.path.join(item, 'SConscript'))
+
+Return('group')
diff --git a/components/drivers/serial/utest/bypass/SConscript b/components/drivers/serial/utest/bypass/SConscript
new file mode 100644
index 0000000000..86be64011b
--- /dev/null
+++ b/components/drivers/serial/utest/bypass/SConscript
@@ -0,0 +1,11 @@
+Import('rtconfig')
+from building import *
+
+cwd = GetCurrentDir()
+src = Glob('bypass*.c')
+
+CPPPATH = [cwd]
+
+group = DefineGroup('utestcases', src, depend = ['UTEST_SERIAL_BYPASS'], CPPPATH = CPPPATH)
+
+Return('group')
diff --git a/components/drivers/serial/utest/bypass/bypass_conflict.c b/components/drivers/serial/utest/bypass/bypass_conflict.c
new file mode 100644
index 0000000000..175a45a108
--- /dev/null
+++ b/components/drivers/serial/utest/bypass/bypass_conflict.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2024-11-20 zhujiale the first version
+ */
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "utest.h"
+
+static struct rt_serial_device* _serial0;
+static struct rt_spinlock lock;
+static int cnt = 0;
+
+#define __REG32(x) (*((volatile unsigned int*)((rt_ubase_t)x)))
+#define UART_FR(base) __REG32(base + 0x18)
+#define UART_DR(base) __REG32(base + 0x00)
+#define UARTFR_TXFF 0x20
+
+static rt_err_t utest_get_c(struct rt_serial_device* serial, char ch, void* data)
+{
+ rt_atomic_add(&cnt, 1);
+ return RT_EOK;
+}
+
+static int utest_getc(struct rt_serial_device* serial)
+{
+ static int num = 0;
+
+ rt_spin_lock(&lock);
+ if (rt_atomic_load(&num) == 10)
+ {
+ rt_atomic_flag_clear(&num);
+ rt_spin_unlock(&lock);
+ return -1;
+ }
+ rt_atomic_add(&num, 1);
+ rt_spin_unlock(&lock);
+ return 'a';
+}
+
+struct hw_uart_device
+{
+ rt_size_t hw_base;
+ rt_size_t irqno;
+};
+
+static int uart_putc(struct rt_serial_device* serial, char c)
+{
+ struct hw_uart_device* uart;
+
+ RT_ASSERT(serial != RT_NULL);
+ uart = (struct hw_uart_device*)serial->parent.user_data;
+
+ while (UART_FR(uart->hw_base) & UARTFR_TXFF);
+ UART_DR(uart->hw_base) = c;
+
+ return 1;
+}
+
+static const struct rt_uart_ops _utest_ops =
+{
+ RT_NULL,
+ RT_NULL,
+ uart_putc,
+ utest_getc,
+};
+
+
+static void thread_rx1(void* parameter)
+{
+ for (int i = 0; i < 10; i++)
+ {
+ rt_hw_serial_isr(_serial0, RT_SERIAL_EVENT_RX_IND);
+ }
+}
+
+static void thread_rx2(void* parameter)
+{
+ for (int i = 0; i < 10; i++)
+ {
+ rt_workqueue_dowork(_serial0->bypass->lower_workq, &_serial0->bypass->work);
+ }
+}
+
+static void thread_high_priority(void* parameter)
+{
+ for (int i = 1; i < 10; i++)
+ {
+ rt_bypass_upper_register(_serial0, "test", i, utest_get_c, RT_NULL);
+ rt_bypass_upper_unregister(_serial0, i);
+ }
+}
+
+static void thread_low_priority(void* parameter)
+{
+ for (int i = 0; i < 20; i++)
+ {
+ rt_hw_serial_isr(_serial0, RT_SERIAL_EVENT_RX_IND);
+ }
+}
+
+static void bypass_rx_stress_003(void)
+{
+ const struct rt_uart_ops* tmp = _serial0->ops;
+
+ rt_thread_t high = rt_thread_create("high_prio", thread_high_priority, RT_NULL, 2048, 15, 10);
+ rt_thread_t low = rt_thread_create("low_prio", thread_low_priority, RT_NULL, 2048, 20, 10);
+
+ rt_atomic_flag_clear(&cnt);
+ _serial0->ops = &_utest_ops;
+ rt_bypass_upper_register(_serial0, "test", 0, utest_get_c, RT_NULL);
+
+ rt_thread_startup(high);
+ rt_thread_startup(low);
+
+ rt_thread_mdelay(1000);
+ _serial0->ops = tmp;
+ rt_bypass_upper_unregister(_serial0, 0);
+ uassert_true(rt_atomic_load(&cnt) == 200);
+}
+
+static void bypass_rx_stress_002(void)
+{
+ const struct rt_uart_ops* tmp = _serial0->ops;
+ rt_thread_t rx2 = rt_thread_create("rx2", thread_rx1, RT_NULL, 2048, RT_THREAD_PRIORITY_MAX - 5, 10);
+ rt_thread_t rx3 = rt_thread_create("rx3", thread_rx2, RT_NULL, 2048, RT_THREAD_PRIORITY_MAX - 5, 10);
+
+ rt_atomic_flag_clear(&cnt);
+ _serial0->ops = &_utest_ops;
+ rt_bypass_lower_register(_serial0, "utest", 0, utest_get_c, RT_NULL);
+
+ rt_thread_startup(rx2);
+ rt_thread_startup(rx3);
+
+ rt_thread_mdelay(1000);
+
+ uassert_true(rt_atomic_load(&cnt) == 100);
+ _serial0->ops = tmp;
+ rt_bypass_lower_unregister(_serial0, 0);
+}
+
+static void bypass_rx_stress_001(void)
+{
+ const struct rt_uart_ops* tmp = _serial0->ops;
+ rt_thread_t rx1 = rt_thread_create("rx1", thread_rx1, RT_NULL, 2048, RT_THREAD_PRIORITY_MAX - 5, 10);
+ rt_thread_t rx2 = rt_thread_create("rx1", thread_rx1, RT_NULL, 2048, RT_THREAD_PRIORITY_MAX - 5, 10);
+
+ cnt = 0;
+ _serial0->ops = &_utest_ops;
+ rt_bypass_upper_register(_serial0, "utest", 0, utest_get_c, RT_NULL);
+
+ rt_thread_startup(rx1);
+ rt_thread_startup(rx2);
+
+ rt_thread_mdelay(1000);
+
+ uassert_true(rt_atomic_load(&cnt) == 200);
+ _serial0->ops = tmp;
+ rt_bypass_upper_unregister(_serial0, 0);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ _serial0 = (struct rt_serial_device*)rt_console_get_device();
+ rt_spin_lock_init(&lock);
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ return RT_EOK;
+}
+
+static void _testcase(void)
+{
+ UTEST_UNIT_RUN(bypass_rx_stress_001);
+ UTEST_UNIT_RUN(bypass_rx_stress_002);
+ UTEST_UNIT_RUN(bypass_rx_stress_003);
+}
+
+UTEST_TC_EXPORT(_testcase, "testcase.bypass.conflict.001", utest_tc_init, utest_tc_cleanup, 10);
diff --git a/components/drivers/serial/utest/bypass/bypass_lower_run.c b/components/drivers/serial/utest/bypass/bypass_lower_run.c
new file mode 100644
index 0000000000..5cfb3cc197
--- /dev/null
+++ b/components/drivers/serial/utest/bypass/bypass_lower_run.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2024-11-20 zhujiale the first version
+ */
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "utest.h"
+
+static struct rt_serial_device* _serial0;
+static int cnt = 0;
+
+#define __REG32(x) (*((volatile unsigned int*)((rt_ubase_t)x)))
+#define UART_FR(base) __REG32(base + 0x18)
+#define UART_DR(base) __REG32(base + 0x00)
+#define UARTFR_TXFF 0x20
+
+struct hw_uart_device
+{
+ rt_size_t hw_base;
+ rt_size_t irqno;
+};
+
+static int uart_putc(struct rt_serial_device* serial, char c)
+{
+ struct hw_uart_device* uart;
+
+ RT_ASSERT(serial != RT_NULL);
+ uart = (struct hw_uart_device*)serial->parent.user_data;
+
+ while (UART_FR(uart->hw_base) & UARTFR_TXFF);
+ UART_DR(uart->hw_base) = c;
+
+ return 1;
+}
+
+static rt_err_t utest_lower_run_test2(struct rt_serial_device* serial, char ch, void* data)
+{
+ static rt_uint8_t num = 0;
+ num++;
+ uassert_true(ch == ('a' + num));
+ return RT_EOK;
+}
+
+static int utest_getc_2(struct rt_serial_device* serial)
+{
+ static rt_uint8_t num = 0;
+ if (num == 20)
+ return -1;
+ num++;
+ return 'a' + num;
+}
+
+static const struct rt_uart_ops _utest_ops2 =
+{
+ RT_NULL,
+ RT_NULL,
+ uart_putc,
+ utest_getc_2,
+};
+
+static rt_err_t utest_lower_run(struct rt_serial_device* serial, char ch, void* data)
+{
+ uassert_true(ch == 'a');
+ cnt++;
+ return RT_EOK;
+}
+
+
+static int utest_getc(struct rt_serial_device* serial)
+{
+ static rt_uint8_t num = 0;
+ if (num == 10)
+ return -1;
+ num++;
+ return 'a';
+}
+
+static const struct rt_uart_ops _utest_ops =
+{
+ RT_NULL,
+ RT_NULL,
+ uart_putc,
+ utest_getc,
+};
+static void bypass_lower_001(void)
+{
+ const struct rt_uart_ops* tmp = _serial0->ops;
+ _serial0->ops = &_utest_ops;
+ rt_bypass_lower_register(_serial0, "utest", RT_BYPASS_MAX_LEVEL, utest_lower_run, RT_NULL);
+
+ rt_hw_serial_isr(_serial0, RT_SERIAL_EVENT_RX_IND);
+ rt_thread_mdelay(100);
+ uassert_true(cnt == 10);
+ _serial0->ops = tmp;
+ rt_bypass_lower_unregister(_serial0, RT_BYPASS_MAX_LEVEL);
+}
+
+static void bypass_lower_002(void)
+{
+ const struct rt_uart_ops* tmp = _serial0->ops;
+ _serial0->ops = &_utest_ops2;
+ rt_bypass_lower_register(_serial0, "utest", RT_BYPASS_MAX_LEVEL, utest_lower_run_test2, RT_NULL);
+
+ rt_hw_serial_isr(_serial0, RT_SERIAL_EVENT_RX_IND);
+ rt_thread_mdelay(100);
+ uassert_true(cnt == 10);
+ _serial0->ops = tmp;
+ rt_bypass_lower_unregister(_serial0, RT_BYPASS_MAX_LEVEL);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ _serial0 = (struct rt_serial_device*)rt_console_get_device();
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ return RT_EOK;
+}
+
+static void _testcase(void)
+{
+ UTEST_UNIT_RUN(bypass_lower_001);
+ UTEST_UNIT_RUN(bypass_lower_002);
+}
+
+UTEST_TC_EXPORT(_testcase, "testcase.bypass.lower.001", utest_tc_init, utest_tc_cleanup, 10);
diff --git a/components/drivers/serial/utest/bypass/bypass_register.c b/components/drivers/serial/utest/bypass/bypass_register.c
new file mode 100644
index 0000000000..df4e07b9aa
--- /dev/null
+++ b/components/drivers/serial/utest/bypass/bypass_register.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2024-11-20 zhujiale the first version
+ */
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "utest.h"
+
+static struct rt_serial_device* _serial0;
+static struct rt_spinlock lock;
+
+static rt_err_t utest_001_run(struct rt_serial_device* serial, char ch, void* data)
+{
+ return 0;
+}
+
+static void thread_serial_register1(void* parameter)
+{
+ for (int i = 2; i < 10; i += 2)
+ {
+ rt_bypass_upper_register(_serial0, "test", i, utest_001_run, RT_NULL);
+ }
+}
+
+static void thread_serial_register_upper(void* parameter)
+{
+ for (int i = 1; i < 10; i++)
+ {
+ rt_bypass_upper_register(_serial0, "test", i, utest_001_run, RT_NULL);
+ }
+}
+
+static void thread_serial_register_lower(void* parameter)
+{
+ for (int i = 1; i < 10; i++)
+ {
+ rt_bypass_lower_register(_serial0, "test", i, utest_001_run, RT_NULL);
+ }
+}
+
+static void bypass_register_001(void)
+{
+ rt_thread_t t1 = rt_thread_create("serial_register", thread_serial_register1, RT_NULL, 2048, RT_THREAD_PRIORITY_MAX - 5, 10);
+ rt_bypass_upper_register(_serial0, "test", 0, utest_001_run, RT_NULL);
+ rt_thread_startup(t1);
+ for (int i = 1; i < 10; i += 2)
+ {
+ rt_bypass_upper_register(_serial0, "test", i, utest_001_run, RT_NULL);
+ }
+ rt_thread_mdelay(1000);
+ rt_list_t* node = _serial0->bypass->upper_h->head.next;
+ for (int i = 0; i < 10;i++)
+ {
+ rt_list_t* next = node->next;
+ struct rt_serial_bypass_func* temp = rt_container_of(node, struct rt_serial_bypass_func, node);
+ uassert_true(temp->level == i);
+ rt_bypass_upper_unregister(_serial0, temp->level);
+ node = next;
+ }
+
+}
+
+static void bypass_register_002(void)
+{
+ rt_thread_t t1 = rt_thread_create("serial_register", thread_serial_register_upper, RT_NULL, 2048, RT_THREAD_PRIORITY_MAX - 5, 10);
+ rt_thread_t t2 = rt_thread_create("serial_register", thread_serial_register_lower, RT_NULL, 2048, RT_THREAD_PRIORITY_MAX - 5, 10);
+ rt_bypass_upper_register(_serial0, "test", 0, utest_001_run, RT_NULL);
+
+ rt_thread_startup(t1);
+ rt_thread_startup(t2);
+
+ rt_thread_mdelay(1000);
+ rt_list_t* node = _serial0->bypass->upper_h->head.next;
+ for (int i = 0; i < 10;i++)
+ {
+ rt_list_t* next = node->next;
+ struct rt_serial_bypass_func* temp = rt_container_of(node, struct rt_serial_bypass_func, node);
+ uassert_true(temp->level == i);
+ rt_bypass_upper_unregister(_serial0, temp->level);
+ node = next;
+ }
+ node = _serial0->bypass->lower_h->head.next;
+ for (int i = 1; i < 10;i++)
+ {
+ rt_list_t* next = node->next;
+ struct rt_serial_bypass_func* temp = rt_container_of(node, struct rt_serial_bypass_func, node);
+ uassert_true(temp->level == i);
+ rt_bypass_lower_unregister(_serial0, temp->level);
+ node = next;
+ }
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ _serial0 = (struct rt_serial_device*)rt_console_get_device();
+ rt_spin_lock_init(&lock);
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ return RT_EOK;
+}
+
+static void _testcase(void)
+{
+ UTEST_UNIT_RUN(bypass_register_001);
+ UTEST_UNIT_RUN(bypass_register_002);
+}
+
+UTEST_TC_EXPORT(_testcase, "testcase.bypass.register.001", utest_tc_init, utest_tc_cleanup, 10);
diff --git a/components/drivers/serial/utest/bypass/bypass_upper_run.c b/components/drivers/serial/utest/bypass/bypass_upper_run.c
new file mode 100644
index 0000000000..c5c1499687
--- /dev/null
+++ b/components/drivers/serial/utest/bypass/bypass_upper_run.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2024-11-20 zhujiale the first version
+ */
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "utest.h"
+
+static struct rt_serial_device* _serial0;
+static int cnt;
+
+#define __REG32(x) (*((volatile unsigned int*)((rt_ubase_t)x)))
+#define UART_FR(base) __REG32(base + 0x18)
+#define UART_DR(base) __REG32(base + 0x00)
+#define UARTFR_TXFF 0x20
+static rt_err_t utest_upper_run(struct rt_serial_device* serial, char ch, void* data)
+{
+ uassert_true(ch == 'a');
+ cnt++;
+ return RT_EOK;
+}
+
+static int utest_getc(struct rt_serial_device* serial)
+{
+ static rt_uint8_t num = 0;
+ if (num == 10)
+ return -1;
+ num++;
+ return 'a';
+}
+
+struct hw_uart_device
+{
+ rt_size_t hw_base;
+ rt_size_t irqno;
+};
+
+static int uart_putc(struct rt_serial_device* serial, char c)
+{
+ struct hw_uart_device* uart;
+
+ RT_ASSERT(serial != RT_NULL);
+ uart = (struct hw_uart_device*)serial->parent.user_data;
+
+ while (UART_FR(uart->hw_base) & UARTFR_TXFF);
+ UART_DR(uart->hw_base) = c;
+
+ return 1;
+}
+
+static const struct rt_uart_ops _utest_ops =
+{
+ RT_NULL,
+ RT_NULL,
+ uart_putc,
+ utest_getc,
+};
+
+static rt_err_t utest_lower_run_test2(struct rt_serial_device* serial, char ch, void* data)
+{
+ static rt_uint8_t num = 0;
+ num++;
+ uassert_true(ch == ('a' + num));
+ return RT_EOK;
+}
+
+static int utest_getc_2(struct rt_serial_device* serial)
+{
+ static rt_uint8_t num = 0;
+ if (num == 20)
+ return -1;
+ num++;
+ return 'a' + num;
+}
+
+static const struct rt_uart_ops _utest_ops2 =
+{
+ RT_NULL,
+ RT_NULL,
+ uart_putc,
+ utest_getc_2,
+};
+static void bypass_upper_001(void)
+{
+ const struct rt_uart_ops* tmp = _serial0->ops;
+ _serial0->ops = &_utest_ops;
+ rt_bypass_upper_register(_serial0, "utest", RT_BYPASS_LEVEL_1, utest_upper_run, RT_NULL);
+ rt_hw_serial_isr(_serial0, RT_SERIAL_EVENT_RX_IND);
+ uassert_true(cnt == 10);
+ _serial0->ops = tmp;
+ rt_bypass_upper_unregister(_serial0, RT_BYPASS_LEVEL_1);
+}
+
+static void bypass_upper_002(void)
+{
+ const struct rt_uart_ops* tmp = _serial0->ops;
+ _serial0->ops = &_utest_ops2;
+ rt_bypass_upper_register(_serial0, "utest", RT_BYPASS_MAX_LEVEL, utest_lower_run_test2, RT_NULL);
+
+ rt_hw_serial_isr(_serial0, RT_SERIAL_EVENT_RX_IND);
+ rt_thread_mdelay(100);
+ uassert_true(cnt == 10);
+ _serial0->ops = tmp;
+ rt_bypass_upper_unregister(_serial0, RT_BYPASS_MAX_LEVEL);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ _serial0 = (struct rt_serial_device*)rt_console_get_device();
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ return RT_EOK;
+}
+
+static void _testcase(void)
+{
+ UTEST_UNIT_RUN(bypass_upper_001);
+ UTEST_UNIT_RUN(bypass_upper_002);
+}
+
+UTEST_TC_EXPORT(_testcase, "testcase.bypass.upper.001", utest_tc_init, utest_tc_cleanup, 10);
diff --git a/components/drivers/serial/utest/v2/README.md b/components/drivers/serial/utest/v2/README.md
new file mode 100644
index 0000000000..1a94c20a01
--- /dev/null
+++ b/components/drivers/serial/utest/v2/README.md
@@ -0,0 +1,154 @@
+## 1、介绍
+
+该目录下 c 文件是新版本串口的测试用例,在 `examples/utest/testcases/drivers/serial_v2` 目录结构里,该测试用例用来测试串口的各个操作模式是否正常工作。
+
+## 2、 文件说明
+
+| 文件 | 描述 |
+| ---------------- | ----------------------------------------- |
+| uart_rxb_txb.c | 串口接收阻塞和发送阻塞模式 的测试用例 |
+| uart_rxb_txnb.c | 串口接收阻塞和发送非阻塞模式 的测试用例 |
+| uart_rxnb_txb.c | 串口接收非阻塞和发送阻塞模式 的测试用例 |
+| uart_rxnb_txnb.c | 串口接收非阻塞和发送非阻塞模式 的测试用例 |
+| uart_blocking_tx.c| 串口阻塞发送模式 的测试 |
+| uart_blocking_rx.c| 串口阻塞接收模式 的测试 |
+| uart_nonblocking_tx.c| 串口非阻塞发送模式 的测试 |
+| uart_nonblocking_rx.c | 串口非阻塞接收模式 的测试 |
+| uart_flush_rx | 刷新接收缓冲区的测试 |
+| uart_flush_txb | 阻塞模式下刷新发送缓冲区的测试 |
+| uart_flush_txnb | 非阻塞模式下刷新发送缓冲区的测试 |
+| uart_timeout_rxb_txb | 串口 发送 / 接收 超时的测试 |
+| uart_overflow_rxb_txb | 串口溢出处理的测试 |
+| uart_get_unread_bytes_count | 获取串口接收缓冲区中的数据长度的测试 |
+| uart_posix_nonblock | posix非阻塞测试 |
+| uart_posix_echo_block | posix阻塞echo测试 |
+
+## 3、软硬件环境
+
+硬件上需要支持 RT-Thread 的完整版操作系统,版本为4.0.4及以上,且硬件有串口硬件外设,软件上需要支持 内核接口、IPC 、Device 框架。
+
+## 4、测试项
+
+### 4.1 测试说明
+
+上文所提及的模式是指串口使用时的操作模式,不涉及硬件的工作模式的配置情况(硬件工作模式一般有轮询POLL、中断INT、DMA),因此使用时需要结合具体的硬件工作模式去配置使用。例如 发送阻塞和接收非阻塞模式 ,这个测试有很多种硬件配置,配置情况例如:DMA发送阻塞和DMA接收非阻塞,INT发送阻塞和DMA接收非阻塞,POLL发送阻塞和DMA接收非阻塞等等。因此通过排列组合后的测试场景有4*9=36种,有意义的组合方式为20种。如下表:
+
+
+| 接收非阻塞 | 发送阻塞 | 组合 | 有意义的组合方式 |
+| ---------- | -------- | ----------------- | ---------------- |
+| POLL | POLL | RX_POLL + TX_POLL | |
+| | INT | RX_POLL + TX_INT | |
+| | DMA | RX_POLL + TX_DMA | |
+| INT | POLL | RX_INT + TX_POLL | ✔ |
+| | INT | RX_INT + TX_INT | ✔ |
+| | DMA | RX_INT + TX_DMA | ✔ |
+| DMA | POLL | RX_DMA + TX_POLL | ✔ |
+| | INT | RX_DMA + TX_INT | ✔ |
+| | DMA | RX_DMA + TX_DMA | ✔ |
+
+| 接收非阻塞 | 发送非阻塞 | 组合 | 有意义的组合方式 |
+| ---------- | ---------- | ----------------- | ---------------- |
+| POLL | POLL | RX_POLL + TX_POLL | |
+| | INT | RX_POLL + TX_INT | |
+| | DMA | RX_POLL + TX_DMA | |
+| INT | POLL | RX_INT + TX_POLL | |
+| | INT | RX_INT + TX_INT | ✔ |
+| | DMA | RX_INT + TX_DMA | ✔ |
+| DMA | POLL | RX_DMA + TX_POLL | |
+| | INT | RX_DMA + TX_INT | ✔ |
+| | DMA | RX_DMA + TX_DMA | ✔ |
+
+| 接收阻塞 | 发送阻塞 | 组合 | 有意义的组合方式 |
+| -------- | -------- | ----------------- | ---------------- |
+| POLL | POLL | RX_POLL + TX_POLL | |
+| | INT | RX_POLL + TX_INT | |
+| | DMA | RX_POLL + TX_DMA | |
+| INT | POLL | RX_INT + TX_POLL | ✔ |
+| | INT | RX_INT + TX_INT | ✔ |
+| | DMA | RX_INT + TX_DMA | ✔ |
+| DMA | POLL | RX_DMA + TX_POLL | ✔ |
+| | INT | RX_DMA + TX_INT | ✔ |
+| | DMA | RX_DMA + TX_DMA | ✔ |
+
+| 接收阻塞 | 发送非阻塞 | 组合 | 有意义的组合方式 |
+| -------- | ---------- | ----------------- | ---------------- |
+| POLL | POLL | RX_POLL + TX_POLL | |
+| | INT | RX_POLL + TX_INT | |
+| | DMA | RX_POLL + TX_DMA | |
+| INT | POLL | RX_INT + TX_POLL | |
+| | INT | RX_INT + TX_INT | ✔ |
+| | DMA | RX_INT + TX_DMA | ✔ |
+| DMA | POLL | RX_DMA + TX_POLL | |
+| | INT | RX_DMA + TX_INT | ✔ |
+| | DMA | RX_DMA + TX_DMA | ✔ |
+
+需要解释的是,为什么会存在无意义的组合模式,举个例子,非阻塞模式下,肯定是不会出现POLL(轮询)方式的,因为POLL方式已经表明是阻塞方式了。
+该测试用例在测试多种组合时,需要通过更改`rtconfig.h`文件对硬件模式进行静态配置。
+
+### 4.2 测试条件
+
+**短接串口的发送TX引脚和接收RX引脚,完成自发自收的回路**。
+
+大致的测试思路:
+
+>发送测试流程 :
+>>1. 先关闭串口,再以需要测试的模式打开.
+>>2. 然后依次发送 UART_SEND_TIMES * (1000以内的随机数)个数据.
+>>3. 打印记录的数据,通过LOG日志的时钟周期来反应发送效率, 通过成功发送的数据量来反应是否产生丢包问题.
+>
+>接收测试流程 :
+>>1. 先关闭串口,再以需要测试的模式打开.
+>>2. 然后以此接收 同发送测试流程一致的 UART_SEND_TIMES *(1000以内随机数)个数据
+>>3. 接收的同时记录成功接收的数据数量
+>>4. 打印记录的数据, 通过现实成功接收的数据量与串口发送的数据量做对比,来验证是否出现丢包问题
+
+## 5、配置
+
+使用该测试用例需要在 `env` 工具的 `menuconfig` 中做相关配置,配置如下所示(使用 RT-Thread-Studio 的配置路径一致 ):
+
+```
+RT-Thread Utestcases --->
+ [*] RT-Thread Utestcases --->
+ Utest Serial Testcase --->
+ [*] Serial testcase --->
+ the device name for serial test: uart2 (选择测试的串口)
+ (128)the rx buffer size for serial test (测试串口rx缓冲区大小)
+ (128)the tx buffer size for serial test (测试串口tx缓冲区大小)
+ (100)the number of iterations for the test routine. (测试例程的迭代次数)
+ [*] Serial posix testcase --->
+ the device name for serial posix test: dev/uart2 (posix测试的串口)
+ (100)the number of iterations for the posix test routine. (posix测试例程的迭代次数)
+```
+
+## 6、使用
+
+\- 编译下载。
+
+\- 在 MSH 中输入 `utest_run testcases.drivers.uart_rxb_txb` 运行串口接收阻塞和发送阻塞测试用例。
+
+\- 在 MSH 中输入 `utest_run testcases.drivers.uart_rxb_txb` 运行串口接收阻塞和发送阻塞测试用例。
+
+\- 在 MSH 中输入 `utest_run testcases.drivers.uart_rxb_txb` 运行串口接收阻塞和发送阻塞测试用例。
+
+\- 在 MSH 中输入 `utest_run testcases.drivers.uart_rxb_txb` 运行串口接收阻塞和发送阻塞测试用例。
+
+\- 在 MSH 中输入 `utest_run testcases.drivers.uart_blocking_tx` 运行串口阻塞发送测试
+
+\- 在 MSH 中输入 `utest_run testcases.drivers.uart_blocking_rx` 运行串口阻塞接收测试
+
+\- 在 MSH 中输入 `utest_run testcases.drivers.uart_nonblocking_tx` 运行串口非阻塞发送测试
+
+其余同理,可在函数内部查看命令。
+
+如果仅仅配置了 `Serial testcase` 相关的测试用例,则直接输入 `utest_run *` 运行即可将上述测试用例按序测试。
+
+## 7、注意事项
+
+\- 需配置正确的测试用例。
+
+\- 如有需要,可开启 ULOG 查看测试用例日志信息。
+
+\- 需在 MSH 中输入正确的命令行。
+
+\- 该测试用例需要结合硬件具体的工作模式(POLL 、INT、DMA)进行测试,而硬件工作模式只能选择一种,因此需要在 `rtconfig.h` 中对串口相应的宏进行配置,来选择不同的工作模式去进行测试。
+
diff --git a/components/drivers/serial/utest/v2/SConscript b/components/drivers/serial/utest/v2/SConscript
new file mode 100644
index 0000000000..7ef99d20b7
--- /dev/null
+++ b/components/drivers/serial/utest/v2/SConscript
@@ -0,0 +1,18 @@
+Import('rtconfig')
+from building import *
+
+cwd = GetCurrentDir()
+src = Glob('*.c')
+
+path = [cwd]
+
+if GetDepend(['UTEST_SERIAL_POSIX_TC']):
+ src += Glob('posix/*.c')
+
+if GetDepend(['UTEST_SERIAL_QEMU_TC']):
+ src += Glob('qemu/*.c')
+
+group = DefineGroup('utestcases', src, depend = ['UTEST_SERIAL_TC'], CPPPATH = path)
+
+Return('group')
+
diff --git a/components/drivers/serial/utest/v2/posix/uart_posix_echo_block.c b/components/drivers/serial/utest/v2/posix/uart_posix_echo_block.c
new file mode 100644
index 0000000000..bb273f1328
--- /dev/null
+++ b/components/drivers/serial/utest/v2/posix/uart_posix_echo_block.c
@@ -0,0 +1,281 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-06-16 KyleChan the first version
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static int32_t serial_fd;
+static rt_uint8_t uart_over_flag;
+static rt_bool_t uart_result = RT_TRUE;
+
+static rt_err_t uart_find(void)
+{
+ serial_fd = open(RT_SERIAL_POSIX_TC_DEVICE_NAME, O_RDWR);
+ if (serial_fd == -1)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t configureSerial(int fd, int baud)
+{
+ int32_t result = 0;
+ struct termios options;
+
+ result = tcgetattr(fd, &options); // 获取当前端口的属性
+ if (result == -1)
+ return -RT_ERROR;
+
+ // 设置波特率
+ result = cfsetispeed(&options, baud); // 设置输入波特率
+ if (result == -1)
+ return -RT_ERROR;
+
+ result = cfsetospeed(&options, baud); // 设置输出波特率
+ if (result == -1)
+ return -RT_ERROR;
+
+ // 设置数据位
+ options.c_cflag &= ~PARENB; // 清除校验位,无校验
+ options.c_cflag &= ~CSTOPB; // 仅一个停止位
+ options.c_cflag &= ~CSIZE; // 清除掩码
+ options.c_cflag |= CS8; // 8位数据
+
+ // 设置无流控
+ options.c_cflag &= ~CRTSCTS; // 不使用硬件流控制
+ options.c_iflag &= ~(IXON | IXOFF | IXANY); // 不使用软件流控制
+
+ // 使能接收器和发送器
+ options.c_cflag |= CLOCAL | CREAD;
+
+ // 设置行终止符
+ options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
+
+ // 应用属性
+ result = tcsetattr(fd, TCSANOW, &options);
+ if (result == -1)
+ return -RT_ERROR;
+
+ return RT_EOK;
+}
+
+static void uart_send_entry(void *parameter)
+{
+ rt_uint8_t *uart_write_buffer;
+ rt_uint16_t send_len;
+
+ rt_uint32_t i = 0;
+ send_len = *(rt_uint16_t *)parameter;
+ /* assign send buffer */
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(send_len);
+ if (uart_write_buffer == RT_NULL)
+ {
+ LOG_E("Without spare memory for uart dma!");
+ uart_result = RT_FALSE;
+ return;
+ }
+
+ rt_memset(uart_write_buffer, 0, send_len);
+
+ for (i = 0; i < send_len; i++)
+ {
+ uart_write_buffer[i] = (rt_uint8_t)i;
+ }
+ /* send buffer */
+ if (write(serial_fd, uart_write_buffer, send_len) != send_len)
+ {
+ LOG_E("device write failed\r\n");
+ }
+ rt_free(uart_write_buffer);
+}
+
+static void uart_rec_entry(void *parameter)
+{
+ rt_uint16_t rev_len;
+
+ rev_len = *(rt_uint16_t *)parameter;
+ rt_uint8_t *uart_write_buffer;
+ uart_write_buffer = (rt_uint8_t *)rt_calloc(1, rev_len + 1);
+ rt_int32_t cnt, i;
+ rt_uint8_t last_old_data;
+ rt_bool_t fisrt_flag = RT_TRUE;
+ rt_uint32_t all_receive_length = 0;
+
+ while (1)
+ {
+ cnt = read(serial_fd, (void *)uart_write_buffer, rev_len);
+ if (cnt == 0)
+ {
+ continue;
+ }
+
+ if (fisrt_flag != RT_TRUE)
+ {
+ if ((rt_uint8_t)(last_old_data + 1) != uart_write_buffer[0])
+ {
+ LOG_E("_Read Different data -> former data: %x, current data: %x.", last_old_data, uart_write_buffer[0]);
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ else
+ {
+ fisrt_flag = RT_FALSE;
+ }
+
+ for (i = 0; i < cnt - 1; i++)
+ {
+ if ((rt_uint8_t)(uart_write_buffer[i] + 1) != uart_write_buffer[i + 1])
+ {
+ LOG_E("Read Different data -> former data: %x, current data: %x.", uart_write_buffer[i], uart_write_buffer[i + 1]);
+
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ all_receive_length += cnt;
+ if (all_receive_length >= rev_len)
+ break;
+ else
+ last_old_data = uart_write_buffer[cnt - 1];
+ }
+ rt_free(uart_write_buffer);
+ uart_over_flag = RT_TRUE;
+}
+
+static rt_err_t uart_api(rt_uint16_t length)
+{
+ rt_thread_t thread_send = RT_NULL;
+ rt_thread_t thread_recv = RT_NULL;
+ rt_err_t result = RT_EOK;
+ int flags = 0;
+ uart_over_flag = RT_FALSE;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return -RT_ERROR;
+ }
+
+ result = configureSerial(serial_fd, B115200);
+ if (result == -1)
+ {
+ goto __exit;
+ }
+
+
+ flags = fcntl(serial_fd, F_GETFL, 0);
+ if (flags == -1)
+ {
+ goto __exit;
+ }
+
+ result = fcntl(serial_fd, F_SETFL, flags & ~O_NONBLOCK);
+ if (result == -1)
+ {
+ goto __exit;
+ }
+
+
+ thread_send = rt_thread_create("uart_send", uart_send_entry, &length, 1024, RT_THREAD_PRIORITY_MAX - 4, 10);
+ thread_recv = rt_thread_create("uart_recv", uart_rec_entry, &length, 1024, RT_THREAD_PRIORITY_MAX - 5, 10);
+ if ((thread_send != RT_NULL) && (thread_recv != RT_NULL))
+ {
+ rt_thread_startup(thread_send);
+ rt_thread_startup(thread_recv);
+ }
+ else
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ while (1)
+ {
+ if (uart_result != RT_TRUE)
+ {
+ LOG_E("The test for uart dma is failure.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ if (uart_over_flag == RT_TRUE)
+ {
+ goto __exit;
+ }
+ /* waiting for test over */
+ rt_thread_mdelay(5);
+ }
+
+__exit:
+ rt_thread_mdelay(5);
+ close(serial_fd);
+ uart_over_flag = RT_FALSE;
+ return result;
+}
+
+static void tc_uart_api(void)
+{
+ rt_uint32_t times = 0;
+ rt_uint16_t num = 0;
+ rt_uint32_t i = 0;
+
+ while (RT_SERIAL_POSIX_TC_SEND_ITERATIONS - times)
+ {
+ num = (rand() % 1000) + 1;
+ if (uart_api(num) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] times testing.", num, ++times);
+ else
+ {
+ LOG_E("uart test error");
+ break;
+ }
+ }
+
+__exit:
+ uassert_true(uart_result == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ uart_result = RT_TRUE;
+ uart_over_flag = RT_FALSE;
+ close(serial_fd);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_posix_echo_block", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/posix/uart_posix_nonblock.c b/components/drivers/serial/utest/v2/posix/uart_posix_nonblock.c
new file mode 100644
index 0000000000..943b47b345
--- /dev/null
+++ b/components/drivers/serial/utest/v2/posix/uart_posix_nonblock.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-06-16 KyleChan the first version
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static int32_t serial_fd;
+
+static rt_err_t uart_find(void)
+{
+ serial_fd = open(RT_SERIAL_POSIX_TC_DEVICE_NAME, O_RDWR);
+ if (serial_fd == -1)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t configureSerial(int fd, int baud)
+{
+ int32_t result = 0;
+ struct termios options;
+
+ result = tcgetattr(fd, &options); // 获取当前端口的属性
+ if (result == -1)
+ return -RT_ERROR;
+
+ // 设置波特率
+ result = cfsetispeed(&options, baud); // 设置输入波特率
+ if (result == -1)
+ return -RT_ERROR;
+
+ result = cfsetospeed(&options, baud); // 设置输出波特率
+ if (result == -1)
+ return -RT_ERROR;
+
+ // 设置数据位
+ options.c_cflag &= ~PARENB; // 清除校验位,无校验
+ options.c_cflag &= ~CSTOPB; // 仅一个停止位
+ options.c_cflag &= ~CSIZE; // 清除掩码
+ options.c_cflag |= CS8; // 8位数据
+
+ // 设置无流控
+ options.c_cflag &= ~CRTSCTS; // 不使用硬件流控制
+ options.c_iflag &= ~(IXON | IXOFF | IXANY); // 不使用软件流控制
+
+ // 使能接收器和发送器
+ options.c_cflag |= CLOCAL | CREAD;
+
+ // 设置行终止符
+ options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
+
+ // 应用属性
+ result = tcsetattr(fd, TCSANOW, &options);
+ if (result == -1)
+ return -RT_ERROR;
+
+ return RT_EOK;
+}
+
+static rt_err_t uart_api()
+{
+ rt_err_t result = RT_EOK;
+ rt_uint8_t *uart_write_buffer;
+ rt_int32_t cnt, i, send_size;
+ int flags = 0;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return -RT_ERROR;
+ }
+
+ result = configureSerial(serial_fd, B115200);
+ if (result == -1)
+ {
+ goto __exit;
+ }
+
+ flags = fcntl(serial_fd, F_GETFL, 0);
+ if (flags == -1)
+ {
+ goto __exit;
+ }
+
+ result = fcntl(serial_fd, F_SETFL, flags | O_NONBLOCK);
+ if (result == -1)
+ {
+ goto __exit;
+ }
+
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(100);
+
+ for (i = 0; i < RT_SERIAL_TC_SEND_ITERATIONS; i++)
+ {
+ send_size = 1;
+ cnt = write(serial_fd, uart_write_buffer, send_size);
+ if (cnt != send_size)
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ rt_thread_mdelay(2);
+ cnt = read(serial_fd, (void *)uart_write_buffer, send_size);
+ if (cnt != send_size)
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ send_size = rand() % 30 + 1;
+ cnt = write(serial_fd, uart_write_buffer, send_size);
+ if (cnt != send_size)
+ {
+ LOG_E("uart write failed %d %d", cnt, send_size);
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ rt_thread_mdelay(send_size * 0.0868 + 5);
+ cnt = read(serial_fd, (void *)uart_write_buffer, send_size + 1);
+ if (cnt != send_size)
+ {
+ LOG_E("uart read failed %d %d", cnt, send_size);
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ }
+
+__exit:
+ rt_thread_mdelay(5);
+ if (uart_write_buffer)
+ rt_free(uart_write_buffer);
+ close(serial_fd);
+ return result == RT_EOK ? RT_TRUE : RT_FALSE;
+}
+
+static void tc_uart_api(void)
+{
+ uassert_true(uart_api() == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ close(serial_fd);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_posix_nonblock", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/qemu/uart_qemu_echo.c b/components/drivers/serial/utest/v2/qemu/uart_qemu_echo.c
new file mode 100644
index 0000000000..5fdaa97793
--- /dev/null
+++ b/components/drivers/serial/utest/v2/qemu/uart_qemu_echo.c
@@ -0,0 +1,171 @@
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "utest.h"
+
+#define UART_SEND_TIMES 100
+#define UART_TEST_NUMBER 6
+
+
+#ifdef UTEST_SERIAL_TC
+#define echo_test_buffer_size (1024)
+
+static rt_device_t u1serial;
+static rt_device_t u2serial;
+
+static rt_uint32_t u2rx_length = 0;
+static rt_uint32_t u2tx_length = 0;
+
+static rt_uint32_t u1rx_length = 0;
+static rt_uint32_t u1tx_length = 0;
+
+static rt_uint8_t uart_over_flag = RT_FALSE;
+
+static void echo_test_u2_thread_entry(void *parameter)
+{
+ char *uart_name = "uart2";
+
+ u2serial = rt_device_find(uart_name);
+ if (!u2serial)
+ {
+ LOG_I("find %s failed!\n", uart_name);
+ return;
+ }
+
+ rt_uint8_t *rx_buffer = rt_malloc(echo_test_buffer_size);
+
+ rt_device_open(u2serial, RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+
+ rt_ssize_t buf_datalen = 0;
+ while (1)
+ {
+ rt_device_control(u2serial, RT_SERIAL_CTRL_GET_UNREAD_BYTES_COUNT, (void *)&buf_datalen);
+ int32_t recbLen = rt_device_read(u2serial, 0, rx_buffer, buf_datalen > 0 ? buf_datalen : 1);
+ if (recbLen > 0)
+ {
+ u2rx_length += recbLen;
+ u2tx_length += rt_device_write(u2serial, 0, rx_buffer, recbLen);
+
+ if (uart_over_flag)
+ break;
+ }
+ }
+ rt_free(rx_buffer);
+}
+
+static void echo_test_u1_thread_entry(void *parameter)
+{
+ rt_uint8_t *rx_buffer = rt_malloc(echo_test_buffer_size);
+ rt_ssize_t buf_datalen = 0;
+ while (1)
+ {
+ rt_device_control(u1serial, RT_SERIAL_CTRL_GET_UNREAD_BYTES_COUNT, (void *)&buf_datalen);
+ int32_t recbLen = rt_device_read(u1serial, 0, rx_buffer, buf_datalen > 0 ? buf_datalen : 1);
+ if (recbLen > 0)
+ {
+ u1rx_length += recbLen;
+ if (uart_over_flag)
+ break;
+ }
+ }
+
+ rt_free(rx_buffer);
+}
+
+
+static rt_bool_t echo_test()
+{
+ rt_bool_t result = RT_TRUE;
+ char *uart_name = "uart1";
+ u1serial = rt_device_find(uart_name);
+ if (!u1serial)
+ {
+ LOG_I("find %s failed!\n", uart_name);
+ return RT_FALSE;
+ }
+
+ rt_uint8_t *tx_buffer = rt_malloc(echo_test_buffer_size);
+
+ rt_device_open(u1serial, RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+ rt_thread_startup(rt_thread_create("serial2", echo_test_u2_thread_entry, RT_NULL, 2048, RT_THREAD_PRIORITY_MAX - 4, 5));
+ rt_thread_startup(rt_thread_create("serial1", echo_test_u1_thread_entry, RT_NULL, 2048, RT_THREAD_PRIORITY_MAX - 5, 5));
+
+ uint32_t sendTotalCount = 0;
+ srand(rt_tick_get());
+ for (uint32_t count = 0; count < 1000; count++)
+ {
+ // Indefinite length of data is sent
+ uint32_t sendCount = rand() % echo_test_buffer_size;
+
+
+ u1tx_length += rt_device_write(u1serial, 0, tx_buffer, sendCount);
+ sendTotalCount += sendCount;
+
+ // Wait for the cross-send to complete
+ rt_thread_mdelay(UART_SEND_TIMES);
+
+ if (count % 50 == 0)
+ {
+ LOG_I("echo, uart2: tx: %ld, rx: %ld", u2tx_length, u2rx_length);
+ LOG_I("echo, uart1: tx: %ld, rx: %ld", u1tx_length, u1rx_length);
+ if (u2tx_length != u2rx_length || u1tx_length != u1rx_length || u2tx_length != u1tx_length)
+ {
+ LOG_I("echo test error!!!");
+ result = RT_FALSE;
+ break;
+ }
+
+ if (u2tx_length != sendTotalCount)
+ {
+ LOG_I("u2tx_length != sendTotalCount echo test error!!!");
+ result = RT_FALSE;
+ break;
+ }
+ }
+ }
+
+ uart_over_flag = RT_TRUE;
+ // Notify the thread to exit
+ rt_device_write(u1serial, 0, tx_buffer, echo_test_buffer_size);
+ rt_thread_mdelay(30);
+
+ {
+ rt_device_t uart_dev = rt_device_find("uart2");
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ }
+ {
+ rt_device_t uart_dev = rt_device_find("uart1");
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ }
+ rt_free(tx_buffer);
+ return result;
+}
+
+static void uart_test_nonblocking_tx(void)
+{
+ uassert_true(echo_test());
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ u1serial = RT_NULL;
+ u2serial = RT_NULL;
+ u2rx_length = 0;
+ u2tx_length = 0;
+ u1rx_length = 0;
+ u1tx_length = 0;
+ uart_over_flag = RT_FALSE;
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(uart_test_nonblocking_tx);
+}
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_qemu_echo", utest_tc_init, utest_tc_cleanup, 10);
+
+#endif
diff --git a/components/drivers/serial/utest/v2/uart_blocking_rx.c b/components/drivers/serial/utest/v2/uart_blocking_rx.c
new file mode 100644
index 0000000000..1d2ab4e586
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_blocking_rx.c
@@ -0,0 +1,88 @@
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "utest.h"
+
+#ifdef UTEST_SERIAL_TC
+
+static rt_bool_t block_read(rt_device_t uart_dev)
+{
+ rt_size_t total_length, recv_length;
+ char uart_read_buffer[1024], log_buffer[64];
+
+ /* make sure device is closed and reopen it */
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ rt_device_open(uart_dev, RT_DEVICE_FLAG_TX_BLOCKING | RT_DEVICE_FLAG_RX_BLOCKING);
+
+ rt_sprintf(log_buffer, "\nBLOCKING READ BEGIN, PLEASE SEND SOME DATAS\n");
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ total_length = 0;
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, rt_strlen(log_buffer));
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nblock : %d bytes read, total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, rt_strlen(log_buffer));
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nblock : %d bytes read , total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, rt_strlen(log_buffer));
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nblock : %d bytes read , total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, rt_strlen(log_buffer));
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nblock : %d bytes read , total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, rt_strlen(log_buffer));
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nblock : %d bytes read , total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ rt_sprintf(log_buffer, "BLOCKING READ END");
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ return RT_TRUE;
+}
+
+static void uart_test_blocking_rx(void)
+{
+ rt_device_t uart_dev;
+ uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ uassert_not_null(uart_dev);
+
+ uassert_true(block_read(uart_dev));
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(uart_test_blocking_rx);
+}
+UTEST_TC_EXPORT(testcase, "uart_blocking_rx", utest_tc_init, utest_tc_cleanup, 10);
+
+#endif
diff --git a/components/drivers/serial/utest/v2/uart_blocking_tx.c b/components/drivers/serial/utest/v2/uart_blocking_tx.c
new file mode 100644
index 0000000000..51eda0feb9
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_blocking_tx.c
@@ -0,0 +1,119 @@
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "utest.h"
+
+#define UART_SEND_TIMES 100
+#define UART_TEST_NUMBER 6
+
+
+#ifdef UTEST_SERIAL_TC
+
+static rt_bool_t block_write(rt_device_t uart_dev)
+{
+ rt_size_t i, wr_sz, index, write_num_array[UART_TEST_NUMBER], total_write_num[UART_TEST_NUMBER];
+ rt_tick_t tick1, tick2, tick_array[UART_TEST_NUMBER];
+ char uart_write_buffer[1024];
+
+ for (i = 0; i < 1024; i++)
+ uart_write_buffer[i] = '0' + (i % 49);
+
+ /* make sure device is closed and reopen it */
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ rt_device_open(uart_dev, RT_DEVICE_FLAG_TX_BLOCKING);
+
+ LOG_D("\nBLOCKING WRITE BEGIN\n");
+
+ index = 0;
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ for (i = 0; i < UART_SEND_TIMES; i++)
+ wr_sz += rt_device_write(uart_dev, 0, uart_write_buffer, 1024);
+
+ tick2 = rt_tick_get();
+ total_write_num[index] = UART_SEND_TIMES * 1024;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ wr_sz += rt_device_write(uart_dev, 0, uart_write_buffer, 8);
+ tick2 = rt_tick_get();
+
+ total_write_num[index] = 8;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ wr_sz += rt_device_write(uart_dev, 0, uart_write_buffer, 32);
+ tick2 = rt_tick_get();
+
+ total_write_num[index] = 32;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ wr_sz += rt_device_write(uart_dev, 0, uart_write_buffer, 128);
+ tick2 = rt_tick_get();
+
+ total_write_num[index] = 128;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ wr_sz += rt_device_write(uart_dev, 0, uart_write_buffer, 512);
+ tick2 = rt_tick_get();
+
+ total_write_num[index] = 512;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ wr_sz += rt_device_write(uart_dev, 0, uart_write_buffer, 1024);
+ tick2 = rt_tick_get();
+
+ total_write_num[index] = 1024;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ LOG_D("\nBLOCKING_TX END\n");
+ for (i = 0; i < index; i++)
+ {
+ LOG_D("\nBLOCKING_MODE : write %d / %d bytes in %d ticks\n", write_num_array[i], total_write_num[i], tick_array[i]);
+ rt_thread_mdelay(10);
+ }
+
+ return RT_TRUE;
+}
+
+static void uart_test_blocking_tx(void)
+{
+ rt_device_t uart_dev;
+ uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ uassert_not_null(uart_dev);
+
+ uassert_true(block_write(uart_dev));
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(uart_test_blocking_tx);
+}
+UTEST_TC_EXPORT(testcase, "uart_blocking_tx", utest_tc_init, utest_tc_cleanup, 10);
+
+#endif
diff --git a/components/drivers/serial/utest/v2/uart_flush_rx.c b/components/drivers/serial/utest/v2/uart_flush_rx.c
new file mode 100644
index 0000000000..3d529d7f46
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_flush_rx.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ *
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t test_item(rt_uint8_t *uart_write_buffer, rt_uint32_t send_size)
+{
+ rt_uint8_t readBuf[16] = {0};
+ rt_uint32_t readSize = 0;
+ if (send_size >= sizeof(readBuf))
+ {
+ readSize = sizeof(readBuf);
+ }
+ else
+ {
+ readSize = send_size;
+ }
+
+ rt_ssize_t size = rt_device_write(&serial->parent, 0, uart_write_buffer, send_size);
+ if (size != send_size)
+ {
+ LOG_E("size [%4d], send_size [%4d]", size, send_size);
+ return -RT_ERROR;
+ }
+ rt_thread_mdelay(send_size * 0.0868 + 5);
+ if (1 != rt_device_read(&serial->parent, 0, uart_write_buffer, 1))
+ {
+ LOG_E("read failed.");
+ return -RT_ERROR;
+ }
+
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_RX_FLUSH, RT_NULL);
+ if (0 != rt_device_read(&serial->parent, 0, uart_write_buffer, 1))
+ {
+ LOG_E("read failed.");
+ return -RT_ERROR;
+ }
+
+ /* Resend the data and check for any discrepancies upon reception */
+ if (readSize > 0)
+ {
+ rt_device_write(&serial->parent, 0, uart_write_buffer, readSize);
+ rt_thread_mdelay(readSize * 0.0868 + 5);
+ rt_device_read(&serial->parent, 0, readBuf, readSize);
+
+ for (rt_uint32_t i = 0; i < readSize; i++)
+ {
+ if (readBuf[i] != uart_write_buffer[i])
+ {
+ LOG_E("index: %d, Read Different data -> former data: %x, current data: %x.", i, uart_write_buffer[i], readBuf[i]);
+ return -RT_ERROR;
+ }
+ }
+ }
+
+ LOG_I("flush rx send_size [%4d]", send_size);
+
+ return RT_EOK;
+}
+
+static rt_bool_t uart_api()
+{
+ rt_err_t result = RT_EOK;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return RT_FALSE;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE;
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_NON_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ return RT_FALSE;
+ }
+
+ rt_uint8_t *uart_write_buffer;
+ rt_uint32_t i;
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(RT_SERIAL_TC_RXBUF_SIZE * 5 + 1);
+ for (rt_uint32_t count = 0; count < (RT_SERIAL_TC_RXBUF_SIZE * 5 + 1); count++)
+ {
+ uart_write_buffer[count] = count;
+ }
+
+ srand(rt_tick_get());
+ for (i = 0; i < RT_SERIAL_TC_SEND_ITERATIONS; i++)
+ {
+ if (RT_EOK != test_item(uart_write_buffer, RT_SERIAL_TC_RXBUF_SIZE + RT_SERIAL_TC_RXBUF_SIZE * (rand() % 5)))
+ {
+ LOG_E("test_item failed.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ if (RT_EOK != test_item(uart_write_buffer, rand() % (RT_SERIAL_TC_RXBUF_SIZE * 5)))
+ {
+ LOG_E("test_item failed.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ }
+
+__exit:
+ rt_free(uart_write_buffer);
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ return result == RT_EOK ? RT_TRUE : RT_FALSE;
+}
+
+static void tc_uart_api(void)
+{
+ uassert_true(uart_api() == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_flush_rx", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/uart_flush_txb.c b/components/drivers/serial/utest/v2/uart_flush_txb.c
new file mode 100644
index 0000000000..2bc45a3250
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_flush_txb.c
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ *
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t test_item(rt_uint8_t *uart_write_buffer, rt_uint32_t send_size)
+{
+ rt_uint32_t old_tick;
+ rt_tick_t tick_diff;
+ rt_tick_t expect_time = send_size * 0.0868;
+
+ rt_uint8_t readBuf[16] = {0};
+ rt_uint32_t readSize = 0;
+ if (send_size >= sizeof(readBuf))
+ {
+ readSize = sizeof(readBuf);
+ }
+ else
+ {
+ readSize = send_size;
+ }
+
+ /* In interrupt mode, ticks may be inaccurate; compensation should be applied*/
+ if (send_size > 384)
+ {
+ expect_time -= send_size / 384;
+ }
+
+ old_tick = rt_tick_get();
+ rt_ssize_t size = rt_device_write(&serial->parent, 0, uart_write_buffer, send_size);
+ if (size != send_size)
+ {
+ LOG_E("size [%4d], send_size [%4d]", size, send_size);
+ return -RT_ERROR;
+ }
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_TX_FLUSH, RT_NULL);
+ tick_diff = rt_tick_get() - old_tick;
+
+ if (tick_diff < expect_time || tick_diff > (expect_time + 10))
+ {
+ LOG_E("send_size [%4d], time required for TXB mode transmission to complete [%3d], expect_time [%3d]", send_size, tick_diff, expect_time);
+ return -RT_ERROR;
+ }
+ else
+ {
+ LOG_I("send_size [%4d], time required for TXB mode transmission to complete [%3d], expect_time [%3d]", send_size, tick_diff, expect_time);
+ }
+
+ /* Resend the data and check for any discrepancies upon reception */
+ if (readSize > 0)
+ {
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_RX_FLUSH, RT_NULL);
+ rt_device_write(&serial->parent, 0, uart_write_buffer, readSize);
+ rt_device_read(&serial->parent, 0, readBuf, readSize);
+
+ for (rt_uint32_t i = 0; i < readSize; i++)
+ {
+ if (readBuf[i] != uart_write_buffer[i])
+ {
+ LOG_E("index: %d, Read Different data -> former data: %x, current data: %x.", i, uart_write_buffer[i], readBuf[i]);
+ return -RT_ERROR;
+ }
+ }
+ }
+
+
+ return RT_EOK;
+}
+
+static rt_bool_t uart_api()
+{
+ rt_err_t result = RT_EOK;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return RT_FALSE;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE * 5 + 10;
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ return RT_FALSE;
+ }
+
+ rt_uint8_t *uart_write_buffer;
+ rt_uint32_t i;
+ rt_int32_t tx_timeout = 10 * 1000;
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(RT_SERIAL_TC_TXBUF_SIZE * 5 + 10);
+ for (rt_uint32_t count = 0; count < (RT_SERIAL_TC_TXBUF_SIZE * 5 + 10); count++)
+ {
+ uart_write_buffer[count] = count;
+ }
+
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_TX_TIMEOUT, (void *)&tx_timeout);
+
+ srand(rt_tick_get());
+ for (i = 0; i < RT_SERIAL_TC_SEND_ITERATIONS; i++)
+ {
+ if (RT_EOK != test_item(uart_write_buffer, RT_SERIAL_TC_TXBUF_SIZE * (rand() % 6)))
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ if (RT_EOK != test_item(uart_write_buffer, RT_SERIAL_TC_TXBUF_SIZE * (rand() % 6) + 1))
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ if (RT_EOK != test_item(uart_write_buffer, rand() % (RT_SERIAL_TC_TXBUF_SIZE * 5)))
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ }
+
+__exit:
+ rt_free(uart_write_buffer);
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ return result == RT_EOK ? RT_TRUE : RT_FALSE;
+}
+
+static void tc_uart_api(void)
+{
+ uassert_true(uart_api() == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_flush_txb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/uart_flush_txnb.c b/components/drivers/serial/utest/v2/uart_flush_txnb.c
new file mode 100644
index 0000000000..1fcfc2b99d
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_flush_txnb.c
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ *
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t test_item(rt_uint8_t *uart_write_buffer, rt_uint32_t send_size)
+{
+ rt_uint32_t old_tick;
+ rt_tick_t tick_diff;
+ rt_tick_t expect_time = send_size * 0.0868;
+ rt_uint8_t readBuf[16] = {0};
+ rt_uint32_t readSize = 0;
+ if (send_size >= sizeof(readBuf))
+ {
+ readSize = sizeof(readBuf);
+ }
+ else
+ {
+ readSize = send_size;
+ }
+
+ /* In interrupt mode, ticks may be inaccurate; compensation should be applied */
+ if (send_size > 384)
+ {
+ expect_time -= send_size / 384;
+ }
+
+ old_tick = rt_tick_get();
+ rt_ssize_t size = rt_device_write(&serial->parent, 0, uart_write_buffer, send_size);
+ if (size != send_size)
+ {
+ LOG_E("size [%4d], send_size [%4d]", size, send_size);
+ return -RT_ERROR;
+ }
+
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_TX_FLUSH, RT_NULL);
+ tick_diff = rt_tick_get() - old_tick;
+
+ if (tick_diff < expect_time || tick_diff > (expect_time + 10))
+ {
+ LOG_E("send_size [%4d], time required for TXNB mode transmission to complete [%3d], expect_time [%3d]", send_size, tick_diff, expect_time);
+ return -RT_ERROR;
+ }
+ else
+ {
+ LOG_I("send_size [%4d], time required for TXNB mode transmission to complete [%3d], expect_time [%3d]", send_size, tick_diff, expect_time);
+ }
+
+ /* Resend the data and check for any discrepancies upon reception */
+ if (readSize > 0)
+ {
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_RX_FLUSH, RT_NULL);
+ rt_device_write(&serial->parent, 0, uart_write_buffer, readSize);
+ rt_device_read(&serial->parent, 0, readBuf, readSize);
+
+ for (rt_uint32_t i = 0; i < readSize; i++)
+ {
+ if (readBuf[i] != uart_write_buffer[i])
+ {
+ LOG_E("index: %d, Read Different data -> former data: %x, current data: %x.", i, uart_write_buffer[i], readBuf[i]);
+ return -RT_ERROR;
+ }
+ }
+ }
+
+ return RT_EOK;
+}
+
+static rt_bool_t uart_api()
+{
+ rt_err_t result = RT_EOK;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return RT_FALSE;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_RXBUF_SIZE * 5 + 10;
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_TX_NON_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ return RT_FALSE;
+ }
+
+ rt_uint8_t *uart_write_buffer;
+ rt_uint32_t i;
+ rt_int32_t tx_timeout = 1;
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(RT_SERIAL_TC_RXBUF_SIZE * 5 + 10);
+ for (rt_uint32_t count = 0; count < (RT_SERIAL_TC_TXBUF_SIZE * 5 + 10); count++)
+ {
+ uart_write_buffer[count] = count;
+ }
+
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_TX_TIMEOUT, (void *)&tx_timeout);
+
+ srand(rt_tick_get());
+ for (i = 0; i < RT_SERIAL_TC_SEND_ITERATIONS; i++)
+ {
+ if (RT_EOK != test_item(uart_write_buffer, RT_SERIAL_TC_RXBUF_SIZE * (rand() % 6)))
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ if (RT_EOK != test_item(uart_write_buffer, RT_SERIAL_TC_RXBUF_SIZE * (rand() % 6) + 1))
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ if (RT_EOK != test_item(uart_write_buffer, rand() % (RT_SERIAL_TC_RXBUF_SIZE * 5)))
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ }
+
+__exit:
+ rt_free(uart_write_buffer);
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ return result == RT_EOK ? RT_TRUE : RT_FALSE;
+}
+
+static void tc_uart_api(void)
+{
+ uassert_true(uart_api() == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_flush_txnb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/uart_get_unread_bytes_count.c b/components/drivers/serial/utest/v2/uart_get_unread_bytes_count.c
new file mode 100644
index 0000000000..f63f663ad3
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_get_unread_bytes_count.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ *
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+/* */
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+static rt_uint8_t uart_over_flag = RT_FALSE;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t test_item(rt_uint8_t *uart_write_buffer, rt_uint32_t size)
+{
+ rt_uint32_t old_tick;
+ rt_ssize_t send_len;
+ rt_ssize_t buf_data_len;
+
+ send_len = rt_device_write(&serial->parent, 0, uart_write_buffer, size);
+ if (size > RT_SERIAL_TC_RXBUF_SIZE)
+ {
+ size = RT_SERIAL_TC_RXBUF_SIZE;
+ }
+
+ rt_thread_delay(5);
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_GET_UNREAD_BYTES_COUNT, (void *)&buf_data_len);
+ if (size != buf_data_len)
+ {
+ return -RT_ERROR;
+ }
+
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_RX_FLUSH, RT_NULL);
+
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_GET_UNREAD_BYTES_COUNT, (void *)&buf_data_len);
+ if (0 != buf_data_len)
+ {
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_bool_t uart_api()
+{
+ rt_err_t result = RT_EOK;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return RT_FALSE;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE;
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_NON_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ return RT_FALSE;
+ }
+
+ rt_uint8_t *uart_write_buffer;
+ rt_uint32_t i;
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(RT_SERIAL_TC_TXBUF_SIZE * 5 + 1);
+
+ srand(rt_tick_get());
+ for (i = 0; i < RT_SERIAL_TC_SEND_ITERATIONS; i++)
+ {
+ if (RT_EOK != test_item(uart_write_buffer, RT_SERIAL_TC_RXBUF_SIZE + RT_SERIAL_TC_RXBUF_SIZE * (rand() % 5)))
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ if (RT_EOK != test_item(uart_write_buffer, rand() % (RT_SERIAL_TC_RXBUF_SIZE * 5)))
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ }
+
+
+__exit:
+ rt_free(uart_write_buffer);
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ return result == RT_EOK ? RT_TRUE : RT_FALSE;
+}
+
+static void tc_uart_api(void)
+{
+ uassert_true(uart_api() == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_get_unread_bytes_count", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/uart_nonblocking_rx.c b/components/drivers/serial/utest/v2/uart_nonblocking_rx.c
new file mode 100644
index 0000000000..d67a5d17ae
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_nonblocking_rx.c
@@ -0,0 +1,98 @@
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "utest.h"
+
+#ifdef UTEST_SERIAL_TC
+
+static rt_bool_t nonblock_read(rt_device_t uart_dev)
+{
+ rt_size_t total_length, recv_length;
+ char uart_read_buffer[1024], log_buffer[64];
+
+ /* make sure device is closed and reopen it */
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ rt_device_open(uart_dev, RT_DEVICE_FLAG_TX_BLOCKING | RT_DEVICE_FLAG_RX_NON_BLOCKING);
+
+ rt_sprintf(log_buffer, "\nNONBLOCKING READ BEGIN, PLEASE SEND SOME DATAS\n");
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ total_length = 0;
+ rt_device_write(uart_dev, 0, "5\n", 2);
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 256);
+ rt_device_write(uart_dev, 0, uart_read_buffer, 256);
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nnonblock : %d bytes read, total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ rt_device_write(uart_dev, 0, "4\n", 2);
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 256);
+ rt_device_write(uart_dev, 0, uart_read_buffer, 256);
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nnonblock : %d bytes read , total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ rt_device_write(uart_dev, 0, "3\n", 2);
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 256);
+ rt_device_write(uart_dev, 0, uart_read_buffer, 256);
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nnonblock : %d bytes read, total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ rt_device_write(uart_dev, 0, "2\n", 2);
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 128);
+ rt_device_write(uart_dev, 0, uart_read_buffer, 128);
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nnonblock : %d bytes read , total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ rt_device_write(uart_dev, 0, "1\n", 2);
+ recv_length = 0;
+ recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 128);
+ rt_device_write(uart_dev, 0, uart_read_buffer, 128);
+ total_length += recv_length;
+
+ rt_sprintf(log_buffer, "\nnonblock : %d bytes read , total: %d \n", recv_length, total_length);
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ rt_sprintf(log_buffer, "BLOCKING READ END");
+ rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
+
+ return RT_TRUE;
+}
+
+static void uart_test_nonblocking_rx(void)
+{
+ rt_device_t uart_dev;
+ uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ uassert_not_null(uart_dev);
+
+ uassert_true(nonblock_read(uart_dev));
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(uart_test_nonblocking_rx);
+}
+UTEST_TC_EXPORT(testcase, "uart_nonblocking_rx", utest_tc_init, utest_tc_cleanup, 10);
+
+#endif
diff --git a/components/drivers/serial/utest/v2/uart_nonblocking_tx.c b/components/drivers/serial/utest/v2/uart_nonblocking_tx.c
new file mode 100644
index 0000000000..cd1297d919
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_nonblocking_tx.c
@@ -0,0 +1,124 @@
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "utest.h"
+
+#define UART_SEND_TIMES 100
+#define UART_TEST_NUMBER 6
+
+
+#ifdef UTEST_SERIAL_TC
+
+static rt_bool_t nonblock_write(rt_device_t uart_dev)
+{
+ rt_size_t wr_sz = 0, tmp = 0, i, write_num_array[UART_TEST_NUMBER], total_write_num[UART_TEST_NUMBER], index;
+ rt_tick_t tick1, tick2, tick_array[UART_TEST_NUMBER];
+ rt_uint8_t uart_write_buffer[1024];
+
+ for (i = 0; i < 1024; i++)
+ uart_write_buffer[i] = '0' + (i % 50);
+
+ /* make sure device is closed and reopen it */
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ rt_device_open(uart_dev, RT_DEVICE_FLAG_TX_NON_BLOCKING | RT_DEVICE_FLAG_RX_NON_BLOCKING);
+
+ LOG_D("\nNONBLOCKING WRITE BEGIN\n");
+
+ index = 0;
+ tmp = 0;
+ tick1 = rt_tick_get();
+ for (i = 0; i < UART_SEND_TIMES; i++)
+ {
+ wr_sz = 0;
+ while (wr_sz < 1024)
+ wr_sz += rt_device_write(uart_dev, 0, &uart_write_buffer[wr_sz], 1024 - wr_sz);
+ tmp += wr_sz;
+ }
+ tick2 = rt_tick_get();
+ total_write_num[index] = UART_SEND_TIMES * 1024;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = tmp;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ while (wr_sz < 8)
+ wr_sz += rt_device_write(uart_dev, 0, &uart_write_buffer[wr_sz], 8 - wr_sz);
+ tick2 = rt_tick_get();
+ total_write_num[index] = 8;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ while (wr_sz < 32)
+ wr_sz += rt_device_write(uart_dev, 0, &uart_write_buffer[wr_sz], 32 - wr_sz);
+ tick2 = rt_tick_get();
+ total_write_num[index] = 32;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ while (wr_sz < 128)
+ wr_sz += rt_device_write(uart_dev, 0, &uart_write_buffer[wr_sz], 128 - wr_sz);
+ tick2 = rt_tick_get();
+ total_write_num[index] = 128;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ while (wr_sz < 512)
+ wr_sz += rt_device_write(uart_dev, 0, &uart_write_buffer[wr_sz], 512 - wr_sz);
+ tick2 = rt_tick_get();
+ total_write_num[index] = 512;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ wr_sz = 0;
+ tick1 = rt_tick_get();
+ while (wr_sz < 1024)
+ wr_sz += rt_device_write(uart_dev, 0, &uart_write_buffer[wr_sz], 1024 - wr_sz);
+ tick2 = rt_tick_get();
+ total_write_num[index] = 1024;
+ tick_array[index] = tick2 - tick1;
+ write_num_array[index++] = wr_sz;
+
+ LOG_D("\nNONBLOCKING_TX END\n");
+ for (i = 0; i < index; i++)
+ {
+ LOG_D("\nNONBLOCKING_MODE : write %d / %d bytes in %d ticks\n", write_num_array[i], total_write_num[i], tick_array[i]);
+ rt_thread_mdelay(10);
+ }
+
+ return RT_TRUE;
+}
+
+static void uart_test_nonblocking_tx(void)
+{
+ rt_device_t uart_dev;
+ uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ uassert_not_null(uart_dev);
+
+ uassert_true(nonblock_write(uart_dev));
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(uart_test_nonblocking_tx);
+}
+UTEST_TC_EXPORT(testcase, "uart_nonblocking_tx", utest_tc_init, utest_tc_cleanup, 10);
+
+#endif
diff --git a/components/drivers/serial/utest/v2/uart_overflow_rxb_txb.c b/components/drivers/serial/utest/v2/uart_overflow_rxb_txb.c
new file mode 100644
index 0000000000..e5a354f75a
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_overflow_rxb_txb.c
@@ -0,0 +1,251 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ *
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+static rt_uint8_t uart_over_flag = RT_FALSE;
+static rt_bool_t uart_result = RT_TRUE;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+
+static void uart_send_entry(void *parameter)
+{
+ rt_uint32_t send_len;
+ rt_uint8_t *uart_write_buffer = RT_NULL;
+ rt_uint32_t i = 0;
+ send_len = *(rt_uint32_t *)parameter;
+
+ /* assign send buffer */
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(send_len);
+ if (uart_write_buffer == RT_NULL)
+ {
+ LOG_E("Without spare memory for uart dma!");
+ uart_result = RT_FALSE;
+ return;
+ }
+
+ rt_memset(uart_write_buffer, 0, send_len);
+
+ for (i = 0; i < send_len; i++)
+ {
+ uart_write_buffer[i] = (rt_uint8_t)i;
+ }
+ /* send buffer */
+ if (rt_device_write(&serial->parent, 0, uart_write_buffer, send_len) != send_len)
+ {
+ LOG_E("device write failed\r\n");
+ }
+ rt_free(uart_write_buffer);
+}
+
+static void uart_rec_entry(void *parameter)
+{
+ rt_uint32_t rev_len;
+ rt_uint8_t *uart_write_buffer;
+ rt_int32_t cnt, i;
+ rev_len = *(rt_uint32_t *)parameter;
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(rev_len + 1);
+
+ while (1)
+ {
+ cnt = rt_device_read(&serial->parent, 0, (void *)uart_write_buffer, RT_SERIAL_TC_RXBUF_SIZE);
+ if (cnt != RT_SERIAL_TC_RXBUF_SIZE)
+ {
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+
+#ifdef RT_SERIAL_BUF_STRATEGY_DROP
+ for (i = 0; i < cnt; i++)
+ {
+ if (uart_write_buffer[i] != i)
+ {
+ LOG_E("Read Different data2 -> former data: %x, current data: %x.", uart_write_buffer[i], i);
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+#else
+ for (i = cnt - 1; i >= 0; i--)
+ {
+ if (uart_write_buffer[i] != ((rev_len - (cnt - i)) % (UINT8_MAX + 1)))
+ {
+ LOG_E("Read Different data2 -> former data: %x, current data: %x.", uart_write_buffer[i], ((rev_len - (cnt - i)) % (UINT8_MAX + 1)));
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+#endif /* RT_SERIAL_BUF_STRATEGY_DROP */
+ break;
+ }
+ rt_free(uart_write_buffer);
+ uart_over_flag = RT_TRUE;
+}
+
+static rt_err_t uart_api(rt_uint32_t length)
+{
+ rt_thread_t thread_send = RT_NULL;
+ rt_thread_t thread_recv = RT_NULL;
+ rt_err_t result = RT_EOK;
+ uart_over_flag = RT_FALSE;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return -RT_ERROR;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE;
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ uart_result = RT_FALSE;
+ return -RT_ERROR;
+ }
+
+ rt_int32_t timeout = 5000;
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_RX_TIMEOUT, (void *)&timeout);
+
+ thread_send = rt_thread_create("uart_send", uart_send_entry, &length, 2048, RT_THREAD_PRIORITY_MAX - 4, 10);
+ thread_recv = rt_thread_create("uart_recv", uart_rec_entry, &length, 2048, RT_THREAD_PRIORITY_MAX - 5, 10);
+ if ((thread_send != RT_NULL) && (thread_recv != RT_NULL))
+ {
+ rt_thread_startup(thread_send);
+ /* waiting for data transmission to complete*/
+ rt_thread_mdelay(length * 0.0868 + 10);
+ rt_thread_startup(thread_recv);
+ }
+ else
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ while (1)
+ {
+ if (uart_result != RT_TRUE)
+ {
+ LOG_E("The test for uart dma is failure.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ if (uart_over_flag == RT_TRUE)
+ {
+ goto __exit;
+ }
+ /* waiting for test over */
+ rt_thread_mdelay(5);
+ }
+__exit:
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ return result;
+}
+
+static void tc_uart_api(void)
+{
+ rt_uint32_t count = 0;
+ rt_uint16_t num = 0;
+ rt_uint32_t i = 0;
+
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_TXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_TXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_RXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_RXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ srand(rt_tick_get());
+ while (RT_SERIAL_TC_SEND_ITERATIONS - count)
+ {
+ num = (rand() % RT_SERIAL_TC_RXBUF_SIZE) + 1;
+ if (uart_api(num + RT_SERIAL_TC_RXBUF_SIZE) == RT_EOK)
+ LOG_I("data_lens [%3d], it is correct to read and write data. [%d] count testing.", num, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ break;
+ }
+ }
+
+__exit:
+ uassert_true(uart_result == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ uart_result = RT_TRUE;
+ uart_over_flag = RT_FALSE;
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_overflow_rxb_txb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/uart_rxb_txb.c b/components/drivers/serial/utest/v2/uart_rxb_txb.c
new file mode 100644
index 0000000000..b844cc05b2
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_rxb_txb.c
@@ -0,0 +1,259 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-06-16 KyleChan the first version
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+static rt_uint8_t uart_over_flag;
+static rt_bool_t uart_result = RT_TRUE;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static void uart_send_entry(void *parameter)
+{
+ rt_uint8_t *uart_write_buffer;
+ rt_uint16_t send_len;
+
+ rt_uint32_t i = 0;
+ send_len = *(rt_uint16_t *)parameter;
+ /* assign send buffer */
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(send_len);
+ if (uart_write_buffer == RT_NULL)
+ {
+ LOG_E("Without spare memory for uart dma!");
+ uart_result = RT_FALSE;
+ return;
+ }
+
+ rt_memset(uart_write_buffer, 0, send_len);
+
+ for (i = 0; i < send_len; i++)
+ {
+ uart_write_buffer[i] = (rt_uint8_t)i;
+ }
+ /* send buffer */
+ if (rt_device_write(&serial->parent, 0, uart_write_buffer, send_len) != send_len)
+ {
+ LOG_E("device write failed\r\n");
+ }
+ rt_free(uart_write_buffer);
+}
+
+static void uart_rec_entry(void *parameter)
+{
+ rt_uint16_t rev_len;
+
+ rev_len = *(rt_uint16_t *)parameter;
+ rt_uint8_t *uart_write_buffer;
+ uart_write_buffer = (rt_uint8_t *)rt_calloc(1, rev_len + 1);
+ rt_int32_t cnt, i;
+ rt_uint8_t last_old_data;
+ rt_bool_t fisrt_flag = RT_TRUE;
+ rt_uint32_t all_receive_length = 0;
+
+ while (1)
+ {
+ cnt = rt_device_read(&serial->parent, 0, (void *)uart_write_buffer, rev_len);
+ if (cnt == 0)
+ {
+ continue;
+ }
+
+ if (fisrt_flag != RT_TRUE)
+ {
+ if ((rt_uint8_t)(last_old_data + 1) != uart_write_buffer[0])
+ {
+ LOG_E("_Read Different data -> former data: %x, current data: %x.", last_old_data, uart_write_buffer[0]);
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ else
+ {
+ fisrt_flag = RT_FALSE;
+ }
+
+ for (i = 0; i < cnt - 1; i++)
+ {
+ if ((rt_uint8_t)(uart_write_buffer[i] + 1) != uart_write_buffer[i + 1])
+ {
+ LOG_E("Read Different data -> former data: %x, current data: %x.", uart_write_buffer[i], uart_write_buffer[i + 1]);
+
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ all_receive_length += cnt;
+ if (all_receive_length >= rev_len)
+ break;
+ else
+ last_old_data = uart_write_buffer[cnt - 1];
+ }
+ rt_free(uart_write_buffer);
+ uart_over_flag = RT_TRUE;
+}
+
+static rt_err_t uart_api(rt_uint16_t length)
+{
+ rt_thread_t thread_send = RT_NULL;
+ rt_thread_t thread_recv = RT_NULL;
+ rt_err_t result = RT_EOK;
+ uart_over_flag = RT_FALSE;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return -RT_ERROR;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE;
+
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ uart_result = RT_FALSE;
+ return -RT_ERROR;
+ }
+
+ rt_int32_t timeout = 5000;
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_RX_TIMEOUT, (void *)&timeout);
+
+ thread_send = rt_thread_create("uart_send", uart_send_entry, &length, 1024, RT_THREAD_PRIORITY_MAX - 4, 10);
+ thread_recv = rt_thread_create("uart_recv", uart_rec_entry, &length, 1024, RT_THREAD_PRIORITY_MAX - 5, 10);
+ if ((thread_send != RT_NULL) && (thread_recv != RT_NULL))
+ {
+ rt_thread_startup(thread_send);
+ rt_thread_startup(thread_recv);
+ }
+ else
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ while (1)
+ {
+ if (uart_result != RT_TRUE)
+ {
+ LOG_E("The test for uart dma is failure.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ if (uart_over_flag == RT_TRUE)
+ {
+ goto __exit;
+ }
+ /* waiting for test over */
+ rt_thread_mdelay(5);
+ }
+
+__exit:
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ uart_over_flag = RT_FALSE;
+ return result;
+}
+
+static void tc_uart_api(void)
+{
+ rt_uint32_t count = 0;
+ rt_uint16_t num = 0;
+ rt_uint32_t i = 0;
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_TXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_TXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_RXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_RXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ srand(rt_tick_get());
+ while (RT_SERIAL_TC_SEND_ITERATIONS - count)
+ {
+ num = (rand() % 1000) + 1;
+ if (uart_api(num) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", num, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ break;
+ }
+ }
+
+__exit:
+ uassert_true(uart_result == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ uart_result = RT_TRUE;
+ uart_over_flag = RT_FALSE;
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_rxb_txb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/uart_rxb_txnb.c b/components/drivers/serial/utest/v2/uart_rxb_txnb.c
new file mode 100644
index 0000000000..b5e4fe6e86
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_rxb_txnb.c
@@ -0,0 +1,292 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-06-16 KyleChan the first version
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+static rt_sem_t tx_sem;
+static rt_uint8_t uart_over_flag;
+static rt_bool_t uart_result = RT_TRUE;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t uart_tx_completion(rt_device_t device, void *buffer)
+{
+ rt_sem_release(tx_sem);
+
+ return RT_EOK;
+}
+
+static void uart_send_entry(void *parameter)
+{
+ rt_uint8_t *uart_write_buffer;
+ rt_uint16_t send_len, len = 0;
+ rt_err_t result;
+
+ rt_uint32_t i = 0;
+ send_len = *(rt_uint16_t *)parameter;
+ /* assign send buffer */
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(send_len);
+ if (uart_write_buffer == RT_NULL)
+ {
+ LOG_E("Without spare memory for uart dma!");
+ uart_result = RT_FALSE;
+ return;
+ }
+
+ rt_memset(uart_write_buffer, 0, send_len);
+
+ for (i = 0; i < send_len; i++)
+ {
+ uart_write_buffer[i] = (rt_uint8_t)i;
+ }
+ /* send buffer */
+ while (send_len - len)
+ {
+ len += rt_device_write(&serial->parent, 0, uart_write_buffer + len, send_len - len);
+ result = rt_sem_take(tx_sem, RT_WAITING_FOREVER);
+ if (result != RT_EOK)
+ {
+ LOG_E("take sem err in send.");
+ }
+ }
+ rt_free(uart_write_buffer);
+}
+
+static void uart_rec_entry(void *parameter)
+{
+ rt_uint16_t rev_len;
+
+ rev_len = *(rt_uint16_t *)parameter;
+ rt_uint8_t *uart_write_buffer;
+ uart_write_buffer = (rt_uint8_t *)rt_calloc(1, rev_len + 1);
+ rt_int32_t cnt, i;
+ rt_uint8_t last_old_data;
+ rt_bool_t fisrt_flag = RT_TRUE;
+ rt_uint32_t all_receive_length = 0;
+
+ while (1)
+ {
+ cnt = rt_device_read(&serial->parent, 0, (void *)uart_write_buffer, rev_len);
+ if (cnt != rev_len)
+ {
+ continue;
+ }
+
+ if (fisrt_flag != RT_TRUE)
+ {
+ if ((rt_uint8_t)(last_old_data + 1) != uart_write_buffer[0])
+ {
+ LOG_E("_Read Different data -> former data: %x, current data: %x.", last_old_data, uart_write_buffer[0]);
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ else
+ {
+ fisrt_flag = RT_FALSE;
+ }
+
+ for (i = 0; i < cnt - 1; i++)
+ {
+ if ((rt_uint8_t)(uart_write_buffer[i] + 1) != uart_write_buffer[i + 1])
+ {
+ LOG_E("Read Different data -> former data: %x, current data: %x.", uart_write_buffer[i], uart_write_buffer[i + 1]);
+
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ all_receive_length += cnt;
+ if (all_receive_length >= rev_len)
+ break;
+ else
+ last_old_data = uart_write_buffer[cnt - 1];
+ }
+ rt_free(uart_write_buffer);
+ uart_over_flag = RT_TRUE;
+}
+
+static rt_err_t uart_api(rt_uint16_t test_buf)
+{
+ rt_thread_t thread_send = RT_NULL;
+ rt_thread_t thread_recv = RT_NULL;
+ rt_err_t result = RT_EOK;
+ uart_over_flag = RT_FALSE;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return -RT_ERROR;
+ }
+
+ tx_sem = rt_sem_create("tx_sem", 0, RT_IPC_FLAG_PRIO);
+ if (tx_sem == RT_NULL)
+ {
+ LOG_E("Init sem failed.");
+ uart_result = RT_FALSE;
+ return -RT_ERROR;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE;
+
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_TX_NON_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ uart_result = RT_FALSE;
+ return -RT_ERROR;
+ }
+
+ rt_int32_t timeout = 5000;
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_RX_TIMEOUT, (void *)&timeout);
+
+ /* set receive callback function */
+ result = rt_device_set_tx_complete(&serial->parent, uart_tx_completion);
+ if (result != RT_EOK)
+ {
+ goto __exit;
+ }
+
+ thread_recv = rt_thread_create("uart_recv", uart_rec_entry, &test_buf, 1024, RT_THREAD_PRIORITY_MAX - 5, 10);
+ thread_send = rt_thread_create("uart_send", uart_send_entry, &test_buf, 1024, RT_THREAD_PRIORITY_MAX - 4, 10);
+
+ if (thread_send != RT_NULL && thread_recv != RT_NULL)
+ {
+ rt_thread_startup(thread_recv);
+ rt_thread_startup(thread_send);
+ }
+ else
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ while (1)
+ {
+ if (uart_result != RT_TRUE)
+ {
+ LOG_E("The test for uart dma is failure.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ if (uart_over_flag == RT_TRUE)
+ {
+ goto __exit;
+ }
+ /* waiting for test over */
+ rt_thread_mdelay(5);
+ }
+__exit:
+ if (tx_sem)
+ rt_sem_delete(tx_sem);
+
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ uart_over_flag = RT_FALSE;
+ return result;
+}
+
+static void tc_uart_api(void)
+{
+ rt_uint32_t count = 0;
+ rt_uint16_t num = 0;
+ rt_uint32_t i = 0;
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_TXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_TXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_RXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_RXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ srand(rt_tick_get());
+ while (RT_SERIAL_TC_SEND_ITERATIONS - count)
+ {
+ num = (rand() % 1000) + 1;
+ if (uart_api(num) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", num, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ break;
+ }
+ }
+
+__exit:
+ uassert_true(uart_result == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ tx_sem = RT_NULL;
+ uart_result = RT_TRUE;
+ uart_over_flag = RT_FALSE;
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_rxb_txnb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif
diff --git a/components/drivers/serial/utest/v2/uart_rxnb_txb.c b/components/drivers/serial/utest/v2/uart_rxnb_txb.c
new file mode 100644
index 0000000000..6dc7f68346
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_rxnb_txb.c
@@ -0,0 +1,295 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-06-16 KyleChan the first version
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+static rt_sem_t rx_sem;
+static rt_uint8_t uart_over_flag;
+static rt_bool_t uart_result = RT_TRUE;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t uart_rx_indicate(rt_device_t device, rt_size_t size)
+{
+ rt_sem_release(rx_sem);
+
+ return RT_EOK;
+}
+
+static void uart_send_entry(void *parameter)
+{
+ rt_uint8_t *uart_write_buffer;
+ rt_uint16_t send_len;
+
+ rt_uint32_t i = 0;
+ send_len = *(rt_uint16_t *)parameter;
+
+ /* assign send buffer */
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(send_len);
+ if (uart_write_buffer == RT_NULL)
+ {
+ LOG_E("Without spare memory for uart dma!");
+ uart_result = RT_FALSE;
+ return;
+ }
+
+ rt_memset(uart_write_buffer, 0, send_len);
+
+ for (i = 0; i < send_len; i++)
+ {
+ uart_write_buffer[i] = (rt_uint8_t)i;
+ }
+
+ /* send buffer */
+ if (rt_device_write(&serial->parent, 0, uart_write_buffer, send_len) != send_len)
+ {
+ LOG_E("device write failed\r\n");
+ }
+ rt_free(uart_write_buffer);
+}
+
+static void uart_rec_entry(void *parameter)
+{
+ rt_uint16_t rev_len;
+
+ rev_len = *(rt_uint16_t *)parameter;
+ rt_uint8_t *uart_write_buffer;
+ uart_write_buffer = (rt_uint8_t *)rt_calloc(1, rev_len + 1);
+ rt_int32_t cnt, i;
+ rt_uint8_t last_old_data;
+ rt_bool_t fisrt_flag = RT_TRUE;
+ rt_uint32_t all_receive_length = 0;
+
+ while (1)
+ {
+ rt_err_t result;
+
+ result = rt_sem_take(rx_sem, RT_WAITING_FOREVER);
+ if (result != RT_EOK)
+ {
+ LOG_E("take sem err in recv.");
+ }
+
+ cnt = rt_device_read(&serial->parent, 0, (void *)uart_write_buffer, rev_len);
+ if (cnt == 0)
+ {
+ continue;
+ }
+
+ if (fisrt_flag != RT_TRUE)
+ {
+ if ((rt_uint8_t)(last_old_data + 1) != uart_write_buffer[0])
+ {
+ LOG_E("_Read Different data -> former data: %x, current data: %x.", last_old_data, uart_write_buffer[0]);
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ else
+ {
+ fisrt_flag = RT_FALSE;
+ }
+
+ for (i = 0; i < cnt - 1; i++)
+ {
+ if ((rt_uint8_t)(uart_write_buffer[i] + 1) != uart_write_buffer[i + 1])
+ {
+ LOG_E("Read Different data -> former data: %x, current data: %x.", uart_write_buffer[i], uart_write_buffer[i + 1]);
+
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ all_receive_length += cnt;
+ if (all_receive_length >= rev_len)
+ break;
+ else
+ last_old_data = uart_write_buffer[cnt - 1];
+ }
+ rt_free(uart_write_buffer);
+ uart_over_flag = RT_TRUE;
+}
+
+static rt_err_t uart_api(rt_uint16_t test_buf)
+{
+ rt_thread_t thread_send = RT_NULL;
+ rt_thread_t thread_recv = RT_NULL;
+ rt_err_t result = RT_EOK;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return -RT_ERROR;
+ }
+
+ rx_sem = rt_sem_create("rx_sem", 0, RT_IPC_FLAG_PRIO);
+ if (rx_sem == RT_NULL)
+ {
+ LOG_E("Init sem failed.");
+ uart_result = RT_FALSE;
+ return -RT_ERROR;
+ }
+
+ /* reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE;
+
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_NON_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ uart_result = RT_FALSE;
+ rt_sem_delete(rx_sem);
+ return -RT_ERROR;
+ }
+
+ rt_int32_t timeout = 5000;
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_RX_TIMEOUT, (void *)&timeout);
+
+ /* set receive callback function */
+ result = rt_device_set_rx_indicate(&serial->parent, uart_rx_indicate);
+ if (result != RT_EOK)
+ {
+ goto __exit;
+ }
+
+ thread_recv = rt_thread_create("uart_recv", uart_rec_entry, &test_buf, 1024, RT_THREAD_PRIORITY_MAX - 5, 10);
+ thread_send = rt_thread_create("uart_send", uart_send_entry, &test_buf, 1024, RT_THREAD_PRIORITY_MAX - 4, 10);
+
+ if (thread_send != RT_NULL && thread_recv != RT_NULL)
+ {
+ rt_thread_startup(thread_recv);
+ rt_thread_startup(thread_send);
+ }
+ else
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ while (1)
+ {
+ if (uart_result != RT_TRUE)
+ {
+ LOG_E("The test for uart dma is failure.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ if (uart_over_flag == RT_TRUE)
+ {
+ goto __exit;
+ }
+ /* waiting for test over */
+ rt_thread_mdelay(5);
+ }
+__exit:
+ if (rx_sem)
+ rt_sem_delete(rx_sem);
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ uart_over_flag = RT_FALSE;
+ return result;
+}
+
+static void tc_uart_api(void)
+{
+ rt_uint32_t count = 0;
+ rt_uint16_t num = 0;
+ rt_uint32_t i = 0;
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_TXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_TXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_RXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_RXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ srand(rt_tick_get());
+ while (RT_SERIAL_TC_SEND_ITERATIONS - count)
+ {
+ num = (rand() % 1000) + 1;
+ if (uart_api(num) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", num, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ break;
+ }
+ }
+
+__exit:
+ uassert_true(uart_result == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rx_sem = RT_NULL;
+ uart_result = RT_TRUE;
+ uart_over_flag = RT_FALSE;
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_rxnb_txb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/uart_rxnb_txnb.c b/components/drivers/serial/utest/v2/uart_rxnb_txnb.c
new file mode 100644
index 0000000000..66c40c103d
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_rxnb_txnb.c
@@ -0,0 +1,323 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-06-16 KyleChan the first version
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+static rt_sem_t tx_sem;
+static rt_sem_t rx_sem;
+static rt_uint8_t uart_over_flag;
+static rt_bool_t uart_result = RT_TRUE;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t uart_tx_completion(rt_device_t device, void *buffer)
+{
+ rt_sem_release(tx_sem);
+ return RT_EOK;
+}
+
+static rt_err_t uart_rx_indicate(rt_device_t device, rt_size_t size)
+{
+ rt_sem_release(rx_sem);
+ return RT_EOK;
+}
+
+static void uart_send_entry(void *parameter)
+{
+ rt_uint8_t *uart_write_buffer;
+ rt_uint16_t send_len, len = 0;
+ rt_err_t result;
+
+ rt_uint32_t i = 0;
+ send_len = *(rt_uint16_t *)parameter;
+ /* assign send buffer */
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(send_len);
+ if (uart_write_buffer == RT_NULL)
+ {
+ LOG_E("Without spare memory for uart dma!");
+ uart_result = RT_FALSE;
+ return;
+ }
+
+ rt_memset(uart_write_buffer, 0, send_len);
+
+ for (i = 0; i < send_len; i++)
+ {
+ uart_write_buffer[i] = (rt_uint8_t)i;
+ }
+ /* send buffer */
+ while (send_len - len)
+ {
+ len += rt_device_write(&serial->parent, 0, uart_write_buffer + len, send_len - len);
+ result = rt_sem_take(tx_sem, RT_WAITING_FOREVER);
+ if (result != RT_EOK)
+ {
+ LOG_E("take sem err in send.");
+ }
+ }
+ rt_free(uart_write_buffer);
+}
+
+static void uart_rec_entry(void *parameter)
+{
+ rt_uint16_t rev_len;
+
+ rev_len = *(rt_uint16_t *)parameter;
+ rt_uint8_t *uart_write_buffer;
+ uart_write_buffer = (rt_uint8_t *)rt_calloc(1, rev_len + 1);
+ rt_int32_t cnt, i;
+ rt_uint8_t last_old_data;
+ rt_bool_t fisrt_flag = RT_TRUE;
+ rt_uint32_t all_receive_length = 0;
+
+ while (1)
+ {
+ rt_err_t result;
+
+ result = rt_sem_take(rx_sem, RT_WAITING_FOREVER);
+ if (result != RT_EOK)
+ {
+ LOG_E("take sem err in recv.");
+ }
+
+ cnt = rt_device_read(&serial->parent, 0, (void *)uart_write_buffer, rev_len);
+ if (cnt == 0)
+ {
+ continue;
+ }
+
+ if (fisrt_flag != RT_TRUE)
+ {
+ if ((rt_uint8_t)(last_old_data + 1) != uart_write_buffer[0])
+ {
+ LOG_E("_Read Different data -> former data: %x, current data: %x.", last_old_data, uart_write_buffer[0]);
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ else
+ {
+ fisrt_flag = RT_FALSE;
+ }
+
+ for (i = 0; i < cnt - 1; i++)
+ {
+ if ((rt_uint8_t)(uart_write_buffer[i] + 1) != uart_write_buffer[i + 1])
+ {
+ LOG_E("Read Different data -> former data: %x, current data: %x.", uart_write_buffer[i], uart_write_buffer[i + 1]);
+
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+ }
+ all_receive_length += cnt;
+ if (all_receive_length >= rev_len)
+ break;
+ else
+ last_old_data = uart_write_buffer[cnt - 1];
+ }
+ rt_free(uart_write_buffer);
+ uart_over_flag = RT_TRUE;
+}
+
+static rt_err_t uart_api(rt_uint16_t test_buf)
+{
+ rt_thread_t thread_send = RT_NULL;
+ rt_thread_t thread_recv = RT_NULL;
+ rt_err_t result = RT_EOK;
+ uart_over_flag = RT_FALSE;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return -RT_ERROR;
+ }
+
+ rx_sem = rt_sem_create("rx_sem", 0, RT_IPC_FLAG_PRIO);
+ if (rx_sem == RT_NULL)
+ {
+ LOG_E("Init rx_sem failed.");
+ uart_result = RT_FALSE;
+ return -RT_ERROR;
+ }
+
+ tx_sem = rt_sem_create("tx_sem", 0, RT_IPC_FLAG_PRIO);
+ if (tx_sem == RT_NULL)
+ {
+ LOG_E("Init tx_sem failed.");
+ uart_result = RT_FALSE;
+ return -RT_ERROR;
+ }
+
+ /* reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE;
+
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_NON_BLOCKING | RT_DEVICE_FLAG_TX_NON_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ uart_result = RT_FALSE;
+ return -RT_ERROR;
+ }
+
+ rt_int32_t timeout = 5000;
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_RX_TIMEOUT, (void *)&timeout);
+
+ /* set receive callback function */
+ result = rt_device_set_tx_complete(&serial->parent, uart_tx_completion);
+ if (result != RT_EOK)
+ {
+ goto __exit;
+ }
+
+ result = rt_device_set_rx_indicate(&serial->parent, uart_rx_indicate);
+ if (result != RT_EOK)
+ {
+ goto __exit;
+ }
+
+ thread_recv = rt_thread_create("uart_recv", uart_rec_entry, &test_buf, 1024, RT_THREAD_PRIORITY_MAX - 5, 10);
+ thread_send = rt_thread_create("uart_send", uart_send_entry, &test_buf, 1024, RT_THREAD_PRIORITY_MAX - 4, 10);
+
+ if (thread_send != RT_NULL && thread_recv != RT_NULL)
+ {
+ rt_thread_startup(thread_recv);
+ rt_thread_startup(thread_send);
+ }
+ else
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ while (1)
+ {
+ if (uart_result != RT_TRUE)
+ {
+ LOG_E("The test for uart dma is failure.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ if (uart_over_flag == RT_TRUE)
+ {
+ goto __exit;
+ }
+ /* waiting for test over */
+ rt_thread_mdelay(5);
+ }
+__exit:
+ if (tx_sem)
+ rt_sem_delete(tx_sem);
+
+ if (rx_sem)
+ rt_sem_delete(rx_sem);
+
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ uart_over_flag = RT_FALSE;
+ return result;
+}
+
+static void tc_uart_api(void)
+{
+ rt_uint32_t count = 0;
+ rt_uint16_t num = 0;
+ rt_uint32_t i = 0;
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_TXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_TXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ for (i = 1; i < 10; i++)
+ {
+ if (uart_api(RT_SERIAL_TC_RXBUF_SIZE * i + i % 2) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", RT_SERIAL_TC_RXBUF_SIZE * i + i % 2, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ goto __exit;
+ }
+ }
+
+ srand(rt_tick_get());
+ while (RT_SERIAL_TC_SEND_ITERATIONS - count)
+ {
+ num = (rand() % 1000) + 1;
+ if (uart_api(num) == RT_EOK)
+ LOG_I("data_lens [%4d], it is correct to read and write data. [%d] count testing.", num, ++count);
+ else
+ {
+ LOG_E("uart test error");
+ break;
+ }
+ }
+
+__exit:
+ uassert_true(uart_result == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ tx_sem = RT_NULL;
+ uart_result = RT_TRUE;
+ uart_over_flag = RT_FALSE;
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_rxnb_txnb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif
diff --git a/components/drivers/serial/utest/v2/uart_timeout_rxb.c b/components/drivers/serial/utest/v2/uart_timeout_rxb.c
new file mode 100644
index 0000000000..7c936bbfe8
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_timeout_rxb.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ *
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t rx_timeout_test_item(rt_uint8_t *uart_write_buffer, rt_uint32_t send_size)
+{
+ rt_uint32_t readSize = 0;
+ rt_int32_t rx_timeout_send_size = send_size - send_size / 3;
+ rt_int32_t rx_timeout = rt_tick_from_millisecond(0.0868 * rx_timeout_send_size + 1);
+
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_RX_TIMEOUT, (void *)&rx_timeout);
+
+ rt_ssize_t size = rt_device_write(&serial->parent, 0, uart_write_buffer, send_size);
+ if (size != send_size)
+ {
+ LOG_E("size [%4d], send_size [%4d]", size, send_size);
+ return -RT_ERROR;
+ }
+
+ readSize = rt_device_read(&serial->parent, 0, uart_write_buffer, size);
+ if (readSize < (rx_timeout_send_size - 70) || readSize > (send_size - 80))
+ {
+ LOG_E("readSize [%4d], rx_timeout_send_size [%4d]", readSize, rx_timeout_send_size);
+ return -RT_ERROR;
+ }
+
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_TX_FLUSH, RT_NULL);
+ /* Waiting for rx to complete reception */
+ rt_thread_mdelay(0.0868 * (send_size / 3));
+
+ LOG_I("rx timeout send_size [%4d]", send_size);
+ return RT_EOK;
+}
+
+static rt_bool_t uart_api()
+{
+ rt_err_t result = RT_EOK;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return RT_FALSE;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = 2048;
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_TX_NON_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ return RT_FALSE;
+ }
+
+ rt_uint8_t *uart_write_buffer;
+ rt_uint32_t i;
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(2048);
+
+
+ for (i = 0; i < RT_SERIAL_TC_SEND_ITERATIONS; i++)
+ {
+ srand(rt_tick_get());
+ if (RT_EOK != rx_timeout_test_item(uart_write_buffer, 1024 + (rand() % 1024)))
+ {
+ LOG_E("test_item failed.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ }
+
+__exit:
+ rt_free(uart_write_buffer);
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ return result == RT_EOK ? RT_TRUE : RT_FALSE;
+}
+
+static void tc_uart_api(void)
+{
+ uassert_true(uart_api() == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_timeout_rxb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/uart_timeout_rxb_txb.c b/components/drivers/serial/utest/v2/uart_timeout_rxb_txb.c
new file mode 100644
index 0000000000..7defec6803
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_timeout_rxb_txb.c
@@ -0,0 +1,221 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ *
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+/* */
+
+#ifdef UTEST_SERIAL_TC
+
+static struct rt_serial_device *serial;
+static rt_bool_t uart_result = RT_TRUE;
+static rt_uint8_t uart_write_flag = RT_TRUE;
+static rt_uint8_t uart_over_flag = RT_FALSE;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+
+static void uart_send_entry(void *parameter)
+{
+ rt_uint8_t *uart_write_buffer = RT_NULL;
+ rt_uint32_t i = 0;
+
+ /* assign send buffer */
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(RT_SERIAL_TC_RXBUF_SIZE);
+ if (uart_write_buffer == RT_NULL)
+ {
+ LOG_E("Without spare memory for uart dma!");
+ uart_result = RT_FALSE;
+ return;
+ }
+
+ for (i = 0; i < RT_SERIAL_TC_RXBUF_SIZE; i++)
+ {
+ uart_write_buffer[i] = (rt_uint8_t)i;
+ }
+
+ while (1)
+ {
+ if (uart_write_flag == RT_FALSE)
+ break;
+
+ rt_device_write(&serial->parent, 0, uart_write_buffer, RT_SERIAL_TC_RXBUF_SIZE / 3);
+ rt_thread_mdelay(40);
+ }
+
+ rt_free(uart_write_buffer);
+}
+
+static void uart_rec_entry(void *parameter)
+{
+ rt_uint8_t *uart_write_buffer;
+ rt_tick_t old_tick;
+ rt_tick_t tick_diff;
+ rt_ssize_t recv_len;
+ rt_uint32_t i;
+ rt_int32_t timeout = 0;
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(RT_SERIAL_TC_RXBUF_SIZE * 10 + 1);
+
+ timeout = 100;
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_RX_TIMEOUT, (void *)&timeout);
+
+ uart_write_flag = RT_TRUE;
+ for (i = 0; i < 10; i++)
+ {
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_RX_FLUSH, RT_NULL);
+ old_tick = rt_tick_get();
+ recv_len = rt_device_read(&serial->parent, 0, (void *)uart_write_buffer, RT_SERIAL_TC_RXBUF_SIZE);
+ tick_diff = rt_tick_get() - old_tick;
+ if (tick_diff > 100 + 1 || tick_diff < 100)
+ {
+ LOG_E("timeout_test: recv_size [%d], RX block time [%d], expect_time [100 - 101]", recv_len, tick_diff);
+ uart_write_flag = RT_FALSE;
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ rt_thread_mdelay(60);
+ return;
+ }
+
+ LOG_I("timeout_test: RX block time [%d], expect_time [100 - 101]", tick_diff);
+ }
+ uart_write_flag = RT_FALSE;
+
+ rt_thread_mdelay(60);
+ timeout = 10;
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_TX_TIMEOUT, (void *)&timeout);
+
+ for (i = 0; i < 10; i++)
+ {
+ old_tick = rt_tick_get();
+ recv_len = rt_device_write(&serial->parent, 0, uart_write_buffer, RT_SERIAL_TC_RXBUF_SIZE * 10);
+ tick_diff = rt_tick_get() - old_tick;
+ if (tick_diff > 10 + 1 || tick_diff < 10)
+ {
+ LOG_E("timeout_test: recv_size [%d], TX block time [%d], expect_time [10 - 11]", recv_len, tick_diff);
+ uart_result = RT_FALSE;
+ rt_free(uart_write_buffer);
+ return;
+ }
+
+ LOG_I("timeout_test: TX block time [%d], expect_time [10 - 11]", tick_diff);
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_TX_FLUSH, RT_NULL);
+ }
+
+ rt_free(uart_write_buffer);
+ uart_over_flag = RT_TRUE;
+}
+
+static rt_bool_t uart_api()
+{
+ rt_thread_t thread_send = RT_NULL;
+ rt_thread_t thread_recv = RT_NULL;
+ rt_err_t result = RT_EOK;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return RT_FALSE;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE;
+#ifdef RT_SERIAL_USING_DMA
+ config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
+#endif
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ return RT_FALSE;
+ }
+
+ thread_send = rt_thread_create("uart_send", uart_send_entry, NULL, 2048, RT_THREAD_PRIORITY_MAX - 4, 10);
+ thread_recv = rt_thread_create("uart_recv", uart_rec_entry, NULL, 2048, RT_THREAD_PRIORITY_MAX - 5, 10);
+
+ if ((thread_send != RT_NULL) && (thread_recv != RT_NULL))
+ {
+ rt_thread_startup(thread_send);
+ rt_thread_startup(thread_recv);
+ }
+ else
+ {
+ result = -RT_ERROR;
+ goto __exit;
+ }
+
+ while (1)
+ {
+ if (uart_result != RT_TRUE)
+ {
+ LOG_E("The test for uart dma is failure.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ if (uart_over_flag == RT_TRUE)
+ {
+ goto __exit;
+ }
+ /* waiting for test over */
+ rt_thread_mdelay(5);
+ }
+
+__exit:
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ return result == RT_EOK ? RT_TRUE : RT_FALSE;
+}
+
+static void tc_uart_api(void)
+{
+ uassert_true(uart_api() == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ uart_result = RT_TRUE;
+ uart_write_flag = RT_TRUE;
+ uart_over_flag = RT_FALSE;
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_timeout_rxb_txb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* TC_UART_USING_TC */
diff --git a/components/drivers/serial/utest/v2/uart_timeout_txb.c b/components/drivers/serial/utest/v2/uart_timeout_txb.c
new file mode 100644
index 0000000000..9af3f40b3e
--- /dev/null
+++ b/components/drivers/serial/utest/v2/uart_timeout_txb.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ *
+ */
+
+#include <rtthread.h>
+#include "utest.h"
+#include <rtdevice.h>
+#include <stdlib.h>
+
+#ifdef UTEST_SERIAL_TC
+#ifndef BSP_UART2_TX_USING_DMA
+
+static struct rt_serial_device *serial;
+
+static rt_err_t uart_find(void)
+{
+ serial = (struct rt_serial_device *)rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+
+ if (serial == RT_NULL)
+ {
+ LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_NAME);
+ return -RT_ERROR;
+ }
+
+ return RT_EOK;
+}
+
+static rt_err_t tx_timeout_test_item(rt_uint8_t *uart_write_buffer, rt_uint32_t send_size)
+{
+ rt_uint32_t readSize = 0;
+ rt_int32_t tx_timeout_send_size = send_size - send_size / 3;
+ rt_int32_t tx_timeout = rt_tick_from_millisecond(0.0868 * tx_timeout_send_size + 1);
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_TX_TIMEOUT, (void *)&tx_timeout);
+
+ rt_ssize_t size = rt_device_write(&serial->parent, 0, uart_write_buffer, send_size);
+ if (size < (tx_timeout_send_size - 70) || size > (send_size - 80))
+ {
+ LOG_E("size [%4d], send_size [%4d]", size, tx_timeout_send_size);
+ return -RT_ERROR;
+ }
+
+ rt_device_control(&serial->parent, RT_SERIAL_CTRL_TX_FLUSH, RT_NULL);
+ /* Waiting for rx to complete reception */
+ rt_thread_mdelay(0.0868 * (send_size / 3));
+
+ LOG_I("tx timeout send_size [%4d]", send_size);
+
+ return RT_EOK;
+}
+
+static rt_bool_t uart_api()
+{
+ rt_err_t result = RT_EOK;
+
+ result = uart_find();
+ if (result != RT_EOK)
+ {
+ return RT_FALSE;
+ }
+
+ /* Reinitialize */
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ config.baud_rate = BAUD_RATE_115200;
+ config.rx_bufsz = RT_SERIAL_TC_RXBUF_SIZE;
+ config.tx_bufsz = RT_SERIAL_TC_TXBUF_SIZE;
+
+ rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
+
+ result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_NON_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
+ if (result != RT_EOK)
+ {
+ LOG_E("Open uart device failed.");
+ return RT_FALSE;
+ }
+
+ rt_uint8_t *uart_write_buffer;
+ rt_uint32_t i;
+ uart_write_buffer = (rt_uint8_t *)rt_malloc(2048);
+ for (i = 0; i < RT_SERIAL_TC_SEND_ITERATIONS; i++)
+ {
+ srand(rt_tick_get());
+ if (RT_EOK != tx_timeout_test_item(uart_write_buffer, 1024 + (rand() % 1024)))
+ {
+ LOG_E("test_item failed.");
+ result = -RT_ERROR;
+ goto __exit;
+ }
+ }
+
+__exit:
+ rt_free(uart_write_buffer);
+ rt_device_close(&serial->parent);
+ rt_thread_mdelay(5);
+ return result == RT_EOK ? RT_TRUE : RT_FALSE;
+}
+
+static void tc_uart_api(void)
+{
+ uassert_true(uart_api() == RT_TRUE);
+}
+
+static rt_err_t utest_tc_init(void)
+{
+ LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
+ return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+ rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
+ while (rt_device_close(uart_dev) != -RT_ERROR);
+ return RT_EOK;
+}
+
+static void testcase(void)
+{
+ UTEST_UNIT_RUN(tc_uart_api);
+}
+
+UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_timeout_txb", utest_tc_init, utest_tc_cleanup, 30);
+
+#endif /* BSP_UART2_TX_USING_DMA */
+#endif /* TC_UART_USING_TC */