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/*
* 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, "components.drivers.serial.bypass_rx_stress", utest_tc_init, utest_tc_cleanup, 10);
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