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https://github.com/RT-Thread/rt-thread.git
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140 lines
3.6 KiB
C
140 lines
3.6 KiB
C
/*
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* Copyright (c) 2006-2024 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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*
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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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#ifdef UTEST_SERIAL_TC
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static struct rt_serial_device *serial;
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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(RT_SERIAL_TC_DEVICE_NAME);
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if (serial == RT_NULL)
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{
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LOG_E("find %s device failed!\n", RT_SERIAL_TC_DEVICE_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 rx_timeout_test_item(rt_uint8_t *uart_write_buffer, rt_uint32_t send_size)
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{
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rt_uint32_t readSize = 0;
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rt_int32_t rx_timeout_send_size = send_size - send_size / 3;
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rt_int32_t rx_timeout = rt_tick_from_millisecond(0.0868 * rx_timeout_send_size + 1);
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rt_device_control(&serial->parent, RT_SERIAL_CTRL_SET_RX_TIMEOUT, (void *)&rx_timeout);
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rt_ssize_t size = rt_device_write(&serial->parent, 0, uart_write_buffer, send_size);
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if (size != send_size)
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{
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LOG_E("size [%4d], send_size [%4d]", size, send_size);
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return -RT_ERROR;
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}
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readSize = rt_device_read(&serial->parent, 0, uart_write_buffer, size);
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if (readSize < (rx_timeout_send_size - 70) || readSize > (send_size - 80))
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{
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LOG_E("readSize [%4d], rx_timeout_send_size [%4d]", readSize, rx_timeout_send_size);
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return -RT_ERROR;
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}
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rt_device_control(&serial->parent, RT_SERIAL_CTRL_TX_FLUSH, RT_NULL);
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/* Waiting for rx to complete reception */
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rt_thread_mdelay(0.0868 * (send_size / 3));
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LOG_I("rx timeout send_size [%4d]", send_size);
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return RT_EOK;
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}
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static rt_bool_t uart_api()
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{
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rt_err_t result = RT_EOK;
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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_FALSE;
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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 = RT_SERIAL_TC_RXBUF_SIZE;
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config.tx_bufsz = 2048;
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#ifdef RT_SERIAL_USING_DMA
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config.dma_ping_bufsz = RT_SERIAL_TC_RXBUF_SIZE / 2;
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#endif
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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_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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return RT_FALSE;
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}
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rt_uint8_t *uart_write_buffer;
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rt_uint32_t i;
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uart_write_buffer = (rt_uint8_t *)rt_malloc(2048);
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for (i = 0; i < RT_SERIAL_TC_SEND_ITERATIONS; i++)
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{
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srand(rt_tick_get());
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if (RT_EOK != rx_timeout_test_item(uart_write_buffer, 1024 + (rand() % 1024)))
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{
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LOG_E("test_item failed.");
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result = -RT_ERROR;
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goto __exit;
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}
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}
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__exit:
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rt_free(uart_write_buffer);
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rt_device_close(&serial->parent);
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rt_thread_mdelay(5);
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return result == RT_EOK ? RT_TRUE : RT_FALSE;
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}
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static void tc_uart_api(void)
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{
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uassert_true(uart_api() == 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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rt_device_t uart_dev = rt_device_find(RT_SERIAL_TC_DEVICE_NAME);
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while (rt_device_close(uart_dev) != -RT_ERROR);
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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_timeout_rxb", utest_tc_init, utest_tc_cleanup, 30);
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#endif /* TC_UART_USING_TC */
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