108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
#include <rtthread.h>
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#include <rtdevice.h>
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#include "utest.h"
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#define SERIAL_UART_NAME "uart2"
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#ifdef UTEST_SERIAL_TC
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static rt_bool_t nonblock_read(rt_device_t uart_dev)
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{
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rt_size_t total_length, recv_length;
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rt_uint8_t uart_read_buffer[1024], log_buffer[64];
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/* make sure device is closed and reopen it */
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while(rt_device_close(uart_dev) != -RT_ERROR);
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rt_device_open(uart_dev, RT_DEVICE_FLAG_TX_BLOCKING | RT_DEVICE_FLAG_RX_NON_BLOCKING);
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rt_sprintf(log_buffer, "\nNONBLOCKING READ BEGIN, PLEASE SEND SOME DATAS\n");
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rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
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total_length = 0;
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rt_device_write(uart_dev, 0, "5\n", 2);
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recv_length = 0;
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recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 256);
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rt_device_write(uart_dev, 0, uart_read_buffer, 256);
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total_length += recv_length;
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rt_thread_mdelay(1000);
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rt_sprintf(log_buffer, "\nnonblock : %d bytes read, total: %d \n", recv_length, total_length);
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rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
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rt_device_write(uart_dev, 0, "4\n", 2);
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recv_length = 0;
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recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 256);
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rt_device_write(uart_dev, 0, uart_read_buffer, 256);
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total_length += recv_length;
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rt_thread_mdelay(1000);
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rt_sprintf(log_buffer,"\nnonblock : %d bytes read , total: %d \n", recv_length, total_length);
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rt_device_write(uart_dev,0,log_buffer, rt_strlen(log_buffer));
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rt_device_write(uart_dev, 0, "3\n", 2);
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recv_length = 0;
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recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 256);
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rt_device_write(uart_dev, 0, uart_read_buffer, 256);
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total_length += recv_length;
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rt_thread_mdelay(1000);
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rt_sprintf(log_buffer, "\nnonblock : %d bytes read, total: %d \n", recv_length, total_length);
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rt_device_write(uart_dev,0,log_buffer, rt_strlen(log_buffer));
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rt_device_write(uart_dev, 0, "2\n", 2);
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recv_length = 0;
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recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 128);
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rt_device_write(uart_dev, 0, uart_read_buffer, 128);
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total_length += recv_length;
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rt_thread_mdelay(1000);
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rt_sprintf(log_buffer,"\nnonblock : %d bytes read , total: %d \n", recv_length, total_length);
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rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
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rt_device_write(uart_dev, 0, "1\n", 2);
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recv_length = 0;
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recv_length = rt_device_read(uart_dev, -1, uart_read_buffer, 128);
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rt_device_write(uart_dev, 0, uart_read_buffer, 128);
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total_length += recv_length;
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rt_thread_mdelay(1000);
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rt_sprintf(log_buffer, "\nnonblock : %d bytes read , total: %d \n", recv_length, total_length);
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rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
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rt_sprintf(log_buffer, "BLOCKING READ END");
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rt_device_write(uart_dev, 0, log_buffer, rt_strlen(log_buffer));
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return RT_TRUE;
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}
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static void uart_test_nonblocking_rx(void)
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{
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rt_device_t uart_dev;
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uart_dev = rt_device_find(SERIAL_UART_NAME);
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uassert_not_null(uart_dev);
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uassert_true (nonblock_read(uart_dev));
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}
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static rt_err_t utest_tc_init(void)
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{
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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;
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uart_dev = rt_device_find(SERIAL_UART_NAME);
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while(rt_device_close(uart_dev) != -RT_ERROR);
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rt_device_open(uart_dev, RT_DEVICE_FLAG_TX_BLOCKING | RT_DEVICE_FLAG_TX_BLOCKING);
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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(uart_test_nonblocking_rx);
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}
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UTEST_TC_EXPORT(testcase, "uart_nonblocking_rx", utest_tc_init, utest_tc_cleanup, 10);
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#endif
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