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-rw-r--r--bsp/bluetrum/libraries/hal_drivers/SConscript5
-rw-r--r--bsp/bluetrum/libraries/hal_drivers/drv_usartX.c348
-rw-r--r--bsp/bluetrum/libraries/hal_drivers/drv_usartX.h40
3 files changed, 392 insertions, 1 deletions
diff --git a/bsp/bluetrum/libraries/hal_drivers/SConscript b/bsp/bluetrum/libraries/hal_drivers/SConscript
index b35a6e89cc..50a895e1d9 100644
--- a/bsp/bluetrum/libraries/hal_drivers/SConscript
+++ b/bsp/bluetrum/libraries/hal_drivers/SConscript
@@ -12,7 +12,10 @@ if GetDepend('RT_USING_PIN'):
src += ['drv_gpio.c']
if GetDepend('RT_USING_SERIAL'):
- src += ['drv_usart.c']
+ if GetDepend(['RT_USING_SERIAL_X']):
+ src += ['drv_usartX.c']
+ else:
+ src += ['drv_usart.c']
if GetDepend('RT_USING_SDIO'):
src += ['drv_sdio.c']
diff --git a/bsp/bluetrum/libraries/hal_drivers/drv_usartX.c b/bsp/bluetrum/libraries/hal_drivers/drv_usartX.c
new file mode 100644
index 0000000000..c3b0e9299b
--- /dev/null
+++ b/bsp/bluetrum/libraries/hal_drivers/drv_usartX.c
@@ -0,0 +1,348 @@
+/*
+ * Copyright (c) 2020-2022, Bluetrum Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2020-11-20 greedyhao first version
+ * 2022-06-08 THEWON first version for serialX
+ */
+
+#include "board.h"
+#include <drv_usartX.h>
+
+#ifdef RT_USING_SERIAL
+
+//#define DRV_DEBUG
+#define LOG_TAG "drv.usart"
+#include <drv_log.h>
+
+enum
+{
+#ifdef BSP_USING_UART0
+ UART0_INDEX,
+#endif
+#ifdef BSP_USING_UART1
+ UART1_INDEX,
+#endif
+#ifdef BSP_USING_UART2
+ UART2_INDEX,
+#endif
+};
+
+static struct ab32_uart_config uart_config[] =
+{
+#ifdef BSP_USING_UART0
+ {
+ .name = "uart0",
+ .instance = UART0_BASE,
+ .mode = UART_MODE_TX_RX | UART_MODE_1LINE,
+ },
+#endif
+#ifdef BSP_USING_UART1
+ {
+ .name = "uart1",
+ .instance = UART1_BASE,
+ .mode = UART_MODE_TX_RX,
+ },
+#endif
+#ifdef BSP_USING_UART2
+ {
+ .name = "uart2",
+ .instance = UART2_BASE,
+ .mode = UART_MODE_TX_RX,
+ }
+#endif
+};
+
+static struct ab32_uart uart_obj[sizeof(uart_config) / sizeof(uart_config[0])] = {0};
+
+static rt_err_t ab32_init(struct rt_serial_device *serial)
+{
+ struct ab32_uart *uart;
+ RT_ASSERT(serial != RT_NULL);
+
+ uart = rt_container_of(serial, struct ab32_uart, serial);
+ uart->handle.instance = uart->uart_config->instance;
+ uart->handle.init.baud = serial->config->baud_rate;
+ uart->handle.init.mode = uart->uart_config->mode;
+
+ switch (serial->config->data_bits)
+ {
+ case DATA_BITS_8:
+ uart->handle.init.word_len = UART_WORDLENGTH_8B;
+ break;
+ case DATA_BITS_9:
+ uart->handle.init.word_len = UART_WORDLENGTH_9B;
+ break;
+ default:
+ uart->handle.init.word_len = UART_WORDLENGTH_8B;
+ break;
+ }
+
+ switch (serial->config->stop_bits)
+ {
+ case STOP_BITS_1:
+ uart->handle.init.stop_bits = UART_STOPBITS_1;
+ break;
+ case STOP_BITS_2:
+ uart->handle.init.stop_bits = UART_STOPBITS_2;
+ break;
+ default:
+ uart->handle.init.stop_bits = UART_STOPBITS_1;
+ break;
+ }
+
+ hal_uart_init(&uart->handle);
+
+ return RT_EOK;
+}
+
+static rt_err_t ab32_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
+{
+ struct ab32_uart *uart;
+ RT_ASSERT(serial != RT_NULL);
+ RT_ASSERT(cfg != RT_NULL);
+
+ uart = rt_container_of(serial, struct ab32_uart, serial);
+ uart->handle.instance = uart->uart_config->instance;
+ uart->handle.init.baud = cfg->baud_rate;
+ uart->handle.init.mode = uart->uart_config->mode;
+
+ switch (cfg->data_bits)
+ {
+ case DATA_BITS_8:
+ uart->handle.init.word_len = UART_WORDLENGTH_8B;
+ break;
+ case DATA_BITS_9:
+ uart->handle.init.word_len = UART_WORDLENGTH_9B;
+ break;
+ default:
+ uart->handle.init.word_len = UART_WORDLENGTH_8B;
+ break;
+ }
+
+ switch (cfg->stop_bits)
+ {
+ case STOP_BITS_1:
+ uart->handle.init.stop_bits = UART_STOPBITS_1;
+ break;
+ case STOP_BITS_2:
+ uart->handle.init.stop_bits = UART_STOPBITS_2;
+ break;
+ default:
+ uart->handle.init.stop_bits = UART_STOPBITS_1;
+ break;
+ }
+
+ hal_uart_init(&uart->handle);
+
+ return RT_EOK;
+}
+
+static rt_err_t ab32_control(struct rt_serial_device *serial, int cmd, void *arg)
+{
+ struct ab32_uart *uart;
+
+ RT_ASSERT(serial != RT_NULL);
+ uart = rt_container_of(serial, struct ab32_uart, serial);
+
+ switch (cmd)
+ {
+ case RT_DEVICE_CTRL_OPEN:
+ uart->intTxing = RT_FALSE;
+ break;
+ /* disable interrupt */
+ case RT_DEVICE_CTRL_CLR_INT:
+ hal_uart_control(uart->handle.instance, UART_RXIT_ENABLE, HAL_DISABLE);
+ break;
+ /* enable interrupt */
+ case RT_DEVICE_CTRL_SET_INT:
+ hal_uart_clrflag(uart->handle.instance, UART_FLAG_RXPND);
+ hal_uart_control(uart->handle.instance, UART_RXIT_ENABLE, HAL_ENABLE);
+ break;
+ case RT_DEVICE_CTRL_CLOSE:
+ hal_uart_deinit(uart->handle.instance);
+ break;
+ }
+
+ return RT_EOK;
+}
+
+static int ab32_putc(struct rt_serial_device *serial, char ch)
+{
+ struct ab32_uart *uart;
+
+ RT_ASSERT(serial != RT_NULL);
+
+ uart = rt_container_of(serial, struct ab32_uart, serial);
+
+ hal_uart_write(uart->handle.instance, ch);
+
+ return 1;
+}
+
+static int ab32_getc(struct rt_serial_device *serial)
+{
+ int ch;
+ struct ab32_uart *uart;
+
+ RT_ASSERT(serial != RT_NULL);
+
+ uart = rt_container_of(serial, struct ab32_uart, serial);
+
+ ch = -1;
+ if (hal_uart_getflag(UART0_BASE, UART_FLAG_RXPND)) {
+ ch = hal_uart_read(uart->handle.instance);
+ hal_uart_clrflag(UART0_BASE, UART_FLAG_RXPND);
+ }
+
+ return ch;
+}
+
+static int ab32_flush(struct rt_serial_device *serial)
+{
+ struct ab32_uart *uart;
+
+ RT_ASSERT(serial != RT_NULL);
+
+ uart = rt_container_of(serial, struct ab32_uart, serial);
+ while(hal_uart_getflag(uart->handle.instance, UART_FLAG_TXPND) == 0);
+}
+
+rt_bool_t ab32_int_txing(struct rt_serial_device *serial)
+{
+ struct ab32_uart *uart;
+
+ RT_ASSERT(serial != RT_NULL);
+
+ uart = rt_container_of(serial, struct ab32_uart, serial);
+
+ return uart->intTxing;
+}
+
+static void ab32_start_tx(struct rt_serial_device *serial, rt_uint8_t ch)
+{
+ struct ab32_uart *uart;
+
+ RT_ASSERT(serial != RT_NULL);
+
+ uart = rt_container_of(serial, struct ab32_uart, serial);
+ uart->intTxing = RT_TRUE;
+ hal_uart_control(uart->handle.instance, UART_TXIT_ENABLE, HAL_ENABLE);
+ hal_uart_write(uart->handle.instance, ch);
+}
+
+static void ab32_stop_tx(struct rt_serial_device *serial)
+{
+ struct ab32_uart *uart;
+
+ RT_ASSERT(serial != RT_NULL);
+
+ uart = rt_container_of(serial, struct ab32_uart, serial);
+ hal_uart_control(uart->handle.instance, UART_TXIT_ENABLE, HAL_DISABLE);
+ uart->intTxing = RT_FALSE;
+}
+
+RT_SECTION(".irq.usart")
+static void uart_isr(int vector, void *param)
+{
+ rt_interrupt_enter();
+
+#ifdef BSP_USING_UART0
+ if(hal_uart_getflag(UART0_BASE, UART_FLAG_RXPND)) //RX one byte finish
+ {
+ rt_hw_serial_isr(&(uart_obj[UART0_INDEX].serial), RT_SERIAL_EVENT_RX_IND);
+ hal_uart_clrflag(UART0_BASE, UART_FLAG_RXPND);
+ }
+ if(hal_uart_getflag(UART0_BASE, UART_FLAG_TXPND)) //TX one byte finish
+ {
+ rt_hw_serial_isr(&(uart_obj[UART0INDEX].serial), RT_SERIAL_EVENT_TX_DONE);
+ hal_uart_clrflag(UART0_BASE, UART_FLAG_TXPND);
+ }
+#endif
+#ifdef BSP_USING_UART1
+ if(hal_uart_getflag(UART1_BASE, UART_FLAG_RXPND)) //RX one byte finish
+ {
+ rt_hw_serial_isr(&(uart_obj[UART1_INDEX].serial), RT_SERIAL_EVENT_RX_IND);
+ hal_uart_clrflag(UART1_BASE, UART_FLAG_RXPND);
+ }
+ if(hal_uart_getflag(UART1_BASE, UART_FLAG_TXPND)) //TX one byte finish
+ {
+ rt_hw_serial_isr(&(uart_obj[UART1_INDEX].serial), RT_SERIAL_EVENT_TX_DONE);
+ hal_uart_clrflag(UART1_BASE, UART_FLAG_TXPND);
+ }
+#endif
+#ifdef BSP_USING_UART2
+ if(hal_uart_getflag(UART2_BASE, UART_FLAG_RXPND)) //RX one byte finish
+ {
+ rt_hw_serial_isr(&(uart_obj[UART2_INDEX].serial), RT_SERIAL_EVENT_RX_IND);
+ hal_uart_clrflag(UART2_BASE, UART_FLAG_RXPND);
+ }
+ if(hal_uart_getflag(UART2_BASE, UART_FLAG_TXPND)) //TX one byte finish
+ {
+ rt_hw_serial_isr(&(uart_obj[UART2_INDEX].serial), RT_SERIAL_EVENT_TX_DONE);
+ hal_uart_clrflag(UART2_BASE, UART_FLAG_TXPND);
+ }
+#endif
+
+ rt_interrupt_leave();
+}
+
+#ifdef HUART_ENABLE
+RT_SECTION(".irq.huart")
+void huart_timer_isr(void)
+{
+ huart_if_rx_ovflow();
+
+ if (0 == huart_get_rxcnt()) {
+ return;
+ }
+}
+#else
+RT_SECTION(".irq.huart")
+void huart_timer_isr(void)
+{
+}
+#endif
+
+static const struct rt_uart_ops ab32_uart_ops =
+{
+ .init = ab32_init,
+ .configure = ab32_configure,
+ .control = ab32_control,
+ .putc = ab32_putc,
+ .getc = ab32_getc,
+ .flush = ab32_flush,
+ .is_int_txing = ab32_int_txing,
+ .start_tx = ab32_start_tx,
+ .stop_tx = ab32_stop_tx,
+};
+
+int rt_hw_usart_init(void)
+{
+ rt_size_t obj_num = sizeof(uart_obj) / sizeof(struct ab32_uart);
+ rt_err_t result = 0;
+
+ rt_hw_interrupt_install(IRQ_UART0_2_VECTOR, uart_isr, RT_NULL, "ut_isr");
+
+ for (int i = 0; i < obj_num; i++)
+ {
+ /* init UART object */
+ uart_obj[i].uart_config = &uart_config[i];
+ uart_obj[i].serial.ops = &ab32_uart_ops;
+
+ /* register UART device */
+ result = rt_hw_serial_register(&uart_obj[i].serial, uart_obj[i].uart_config->name,
+ RT_DEVICE_FLAG_RDWR
+ | RT_DEVICE_FLAG_INT_RX
+ | RT_DEVICE_FLAG_INT_TX
+ , RT_NULL);
+ RT_ASSERT(result == RT_EOK);
+ }
+
+ return result;
+}
+
+#endif
diff --git a/bsp/bluetrum/libraries/hal_drivers/drv_usartX.h b/bsp/bluetrum/libraries/hal_drivers/drv_usartX.h
new file mode 100644
index 0000000000..acd4b63a84
--- /dev/null
+++ b/bsp/bluetrum/libraries/hal_drivers/drv_usartX.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2020-2022, Bluetrum Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2020-11-20 greedyhao first version
+ * 2022-06-08 THEWON first version for serialX
+ */
+
+#ifndef DRV_USART_H__
+#define DRV_USART_H__
+
+#include "drv_common.h"
+
+#ifdef RT_USING_SERIAL
+
+/* an32 config class */
+struct ab32_uart_config
+{
+ const char *name;
+ hal_sfr_t instance;
+ uint8_t mode;
+};
+
+/* ab32 uart driver class */
+struct ab32_uart
+{
+ struct uart_handle handle;
+ struct rt_serial_device serial;
+ struct ab32_uart_config *uart_config;
+ rt_bool_t intTxing;
+};
+
+#endif
+
+int rt_hw_usart_init(void);
+
+#endif
generated by cgit v1.3.1 (git 2.54.0) at 2026-10-23 22:16:50 +0000