295 lines
6.9 KiB
C
295 lines
6.9 KiB
C
/*
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* Copyright (c) 2006-2019, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-06-16 KyleChan the first version
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*/
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#include <rtthread.h>
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#include "utest.h"
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#include <rtdevice.h>
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#include <stdlib.h>
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#define TC_UART_DEVICE_NAME "uart2"
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#define TC_UART_SEND_TIMES 100
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#ifdef UTEST_SERIAL_TC
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#define TEST_UART_NAME TC_UART_DEVICE_NAME
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static struct rt_serial_device *serial;
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static rt_sem_t tx_sem;
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static rt_sem_t rx_sem;
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static rt_uint8_t uart_over_flag;
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static rt_bool_t uart_result = RT_TRUE;
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static rt_err_t uart_find(void)
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{
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serial = (struct rt_serial_device *)rt_device_find(TEST_UART_NAME);
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if (serial == RT_NULL)
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{
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LOG_E("find %s device failed!\n", TEST_UART_NAME);
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return -RT_ERROR;
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}
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return RT_EOK;
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}
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static rt_err_t uart_tx_completion(rt_device_t device, void *buffer)
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{
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rt_sem_release(tx_sem);
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return RT_EOK;
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}
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static rt_err_t uart_rx_indicate(rt_device_t device, rt_size_t size)
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{
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rt_sem_release(rx_sem);
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return RT_EOK;
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}
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static void uart_send_entry(void *parameter)
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{
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rt_uint8_t *uart_write_buffer;
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rt_uint16_t send_len, len = 0;
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rt_err_t result;
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rt_uint32_t i = 0;
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send_len = *(rt_uint16_t *)parameter;
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/* assign send buffer */
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uart_write_buffer = (rt_uint8_t *)rt_malloc(send_len);
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if (uart_write_buffer == RT_NULL)
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{
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LOG_E("Without spare memory for uart dma!");
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uart_result = RT_FALSE;
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return;
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}
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rt_memset(uart_write_buffer, 0, send_len);
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for (i = 0; i < send_len; i++)
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{
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uart_write_buffer[i] = (rt_uint8_t)i;
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}
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/* send buffer */
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while (send_len - len)
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{
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len += rt_device_write(&serial->parent, 0, uart_write_buffer + len, send_len - len);
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result = rt_sem_take(tx_sem, RT_WAITING_FOREVER);
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if (result != RT_EOK)
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{
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LOG_E("take sem err in send.");
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}
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}
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rt_free(uart_write_buffer);
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}
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static void uart_rec_entry(void *parameter)
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{
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rt_uint16_t rev_len;
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rev_len = *(rt_uint16_t *)parameter;
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rt_uint8_t *ch;
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ch = (rt_uint8_t *)rt_calloc(1, sizeof(rt_uint8_t) * (rev_len + 1));
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rt_int32_t cnt, i;
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rt_uint8_t last_old_data;
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rt_bool_t fisrt_flag = RT_TRUE;
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rt_uint32_t all_receive_length = 0;
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while (1)
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{
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rt_err_t result;
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result = rt_sem_take(rx_sem, RT_WAITING_FOREVER);
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if (result != RT_EOK)
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{
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LOG_E("take sem err in recv.");
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}
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cnt = rt_device_read(&serial->parent, 0, (void *)ch, rev_len);
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if (cnt == 0)
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{
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continue;
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}
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if (fisrt_flag != RT_TRUE)
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{
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if ((rt_uint8_t)(last_old_data + 1) != ch[0])
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{
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LOG_E("_Read Different data -> former data: %x, current data: %x.", last_old_data, ch[0]);
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uart_result = RT_FALSE;
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rt_free(ch);
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return;
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}
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}
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else
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{
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fisrt_flag = RT_FALSE;
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}
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for (i = 0; i < cnt - 1; i++)
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{
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if ((rt_uint8_t)(ch[i] + 1) != ch[i + 1])
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{
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LOG_E("Read Different data -> former data: %x, current data: %x.", ch[i], ch[i + 1]);
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uart_result = RT_FALSE;
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rt_free(ch);
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return;
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}
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}
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all_receive_length += cnt;
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if (all_receive_length >= rev_len)
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break;
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else
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last_old_data = ch[cnt - 1];
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}
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rt_free(ch);
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uart_over_flag = RT_TRUE;
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}
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static rt_err_t uart_api(rt_uint16_t test_buf)
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{
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rt_thread_t thread_send = RT_NULL;
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rt_thread_t thread_recv = RT_NULL;
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rt_err_t result = RT_EOK;
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uart_over_flag = RT_FALSE;
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result = uart_find();
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if (result != RT_EOK)
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{
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return -RT_ERROR;
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}
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rx_sem = rt_sem_create("rx_sem", 0, RT_IPC_FLAG_PRIO);
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if (rx_sem == RT_NULL)
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{
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LOG_E("Init rx_sem failed.");
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uart_result = RT_FALSE;
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return -RT_ERROR;
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}
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tx_sem = rt_sem_create("tx_sem", 0, RT_IPC_FLAG_PRIO);
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if (tx_sem == RT_NULL)
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{
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LOG_E("Init tx_sem failed.");
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uart_result = RT_FALSE;
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return -RT_ERROR;
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}
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/* reinitialize */
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struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
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config.baud_rate = BAUD_RATE_115200;
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config.rx_bufsz = BSP_UART2_RX_BUFSIZE;
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config.tx_bufsz = BSP_UART2_TX_BUFSIZE;
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rt_device_control(&serial->parent, RT_DEVICE_CTRL_CONFIG, &config);
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result = rt_device_open(&serial->parent, RT_DEVICE_FLAG_RX_NON_BLOCKING | RT_DEVICE_FLAG_TX_NON_BLOCKING);
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if (result != RT_EOK)
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{
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LOG_E("Open uart device failed.");
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uart_result = RT_FALSE;
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return -RT_ERROR;
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}
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/* set receive callback function */
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result = rt_device_set_tx_complete(&serial->parent, uart_tx_completion);
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if (result != RT_EOK)
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{
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goto __exit;
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}
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result = rt_device_set_rx_indicate(&serial->parent, uart_rx_indicate);
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if (result != RT_EOK)
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{
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goto __exit;
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}
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thread_recv = rt_thread_create("uart_recv", uart_rec_entry, &test_buf, 1024, RT_THREAD_PRIORITY_MAX - 5, 10);
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thread_send = rt_thread_create("uart_send", uart_send_entry, &test_buf, 1024, RT_THREAD_PRIORITY_MAX - 4, 10);
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if (thread_send != RT_NULL && thread_recv != RT_NULL)
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{
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rt_thread_startup(thread_recv);
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rt_thread_startup(thread_send);
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}
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else
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{
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result = -RT_ERROR;
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goto __exit;
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}
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while (1)
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{
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if (uart_result != RT_TRUE)
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{
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LOG_E("The test for uart dma is failure.");
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result = -RT_ERROR;
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goto __exit;
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}
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if (uart_over_flag == RT_TRUE)
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{
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goto __exit;
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}
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/* waiting for test over */
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rt_thread_mdelay(5);
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}
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__exit:
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if (tx_sem)
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rt_sem_delete(tx_sem);
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if (rx_sem)
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rt_sem_delete(rx_sem);
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rt_device_close(&serial->parent);
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return result;
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}
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static void tc_uart_api(void)
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{
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rt_uint32_t times = 0;
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rt_uint16_t num = 0;
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while (TC_UART_SEND_TIMES - times)
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{
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num = (rand() % 1000) + 1;
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if(uart_api(num) == RT_EOK)
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LOG_I("data_lens [%3d], it is correct to read and write data. [%d] times testing.", num, ++times);
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else
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{
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LOG_E("uart test error");
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break;
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}
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}
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uassert_true(uart_over_flag == RT_TRUE);
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}
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static rt_err_t utest_tc_init(void)
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{
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LOG_I("UART TEST: Please connect Tx and Rx directly for self testing.");
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return RT_EOK;
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}
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static rt_err_t utest_tc_cleanup(void)
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{
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tx_sem = RT_NULL;
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uart_result = RT_TRUE;
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uart_over_flag = RT_FALSE;
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return RT_EOK;
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}
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static void testcase(void)
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{
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UTEST_UNIT_RUN(tc_uart_api);
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}
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UTEST_TC_EXPORT(testcase, "testcases.drivers.uart_rxnb_txnb", utest_tc_init, utest_tc_cleanup, 30);
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#endif
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