rt-thread-official/examples/utest/testcases/drivers/serial_v2/uart_rxnb_txb.c

267 lines
6.2 KiB
C
Raw Normal View History

/*
* Copyright (c) 2006-2019, 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>
#define TC_UART_DEVICE_NAME "uart2"
#define TC_UART_SEND_TIMES 100
#ifdef UTEST_SERIAL_TC
#define TEST_UART_NAME TC_UART_DEVICE_NAME
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(TEST_UART_NAME);
if (serial == RT_NULL)
{
LOG_E("find %s device failed!\n", TEST_UART_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 *ch;
ch = (rt_uint8_t *)rt_calloc(1, sizeof(rt_uint8_t) * (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 *)ch, rev_len);
if (cnt == 0)
{
continue;
}
if (fisrt_flag != RT_TRUE)
{
if ((rt_uint8_t)(last_old_data + 1) != ch[0])
{
LOG_E("_Read Different data -> former data: %x, current data: %x.", last_old_data, ch[0]);
uart_result = RT_FALSE;
rt_free(ch);
return;
}
}
else
{
fisrt_flag = RT_FALSE;
}
for (i = 0; i < cnt - 1; i++)
{
if ((rt_uint8_t)(ch[i] + 1) != ch[i + 1])
{
LOG_E("Read Different data -> former data: %x, current data: %x.", ch[i], ch[i + 1]);
uart_result = RT_FALSE;
rt_free(ch);
return;
}
}
all_receive_length += cnt;
if (all_receive_length >= rev_len)
break;
else
last_old_data = ch[cnt - 1];
}
rt_free(ch);
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 = BSP_UART2_RX_BUFSIZE;
config.tx_bufsz = BSP_UART2_TX_BUFSIZE;
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;
}
/* 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);
uart_over_flag = RT_FALSE;
return result;
}
static void tc_uart_api(void)
{
rt_uint32_t times = 0;
rt_uint16_t num = 0;
while (TC_UART_SEND_TIMES - times)
{
num = (rand() % 1000) + 1;
if(uart_api(num) == RT_EOK)
LOG_I("data_lens [%3d], it is correct to read and write data. [%d] times testing.", num, ++times);
else
{
LOG_E("uart test error");
break;
}
}
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;
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 */