test_uart_console.c
3.71 KB
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/****************************************************************************
*
* Copyright (C) 2012-2019 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file test_uart_break.c
* Tests the uart console.
*
* @author Lorenz Meier <lorenz@px4.io>
* @author David Sidrane <david_s5@nscdg.com>
*/
#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/tasks.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include "tests_main.h"
#include <math.h>
#include <float.h>
#include <drivers/drv_hrt.h>
static void *receive_loop(void *arg)
{
int uart_usb = open("/dev/ttyACM0", O_RDONLY | O_NOCTTY);
while (1) {
char c;
read(uart_usb, &c, 1);
printf("%c", c);
fflush(stdout);
}
return NULL;
}
int test_uart_console(int argc, char *argv[])
{
/* assuming NuttShell is on UART1 (/dev/ttyS0) */
int uart_usb = open("/dev/ttyACM0", O_WRONLY | O_NOCTTY);
if (uart_usb < 0) {
printf("ERROR opening /dev/ttyACM0. Do you need to run sercon first? Aborting..\n");
return uart_usb;
}
uint8_t sample_uart_usb[] = {'S', 'A', 'M', 'P', 'L', 'E', ' ', '\n'};
pthread_t receive_thread;
pthread_create(&receive_thread, NULL, receive_loop, NULL);
//wait for threads to complete:
pthread_join(receive_thread, NULL);
for (int i = 0; i < 30; i++) {
write(uart_usb, sample_uart_usb, sizeof(sample_uart_usb));
printf(".");
fflush(stdout);
px4_sleep(1);
}
// uint64_t start_time = hrt_absolute_time();
//
//// while (true)
// for (int i = 0; i < 1000; i++)
// {
// //write(uart_usb, sample_uart_usb, sizeof(sample_uart_usb));
// int nread = 0;
// char c;
// do {
// nread = read(uart_usb, &c, 1);
// if (nread > 0)
// {
// printf("%c", c);
// }
// } while (nread > 0);
//
// do {
// nread = read(uart_console, &c, 1);
// if (nread > 0)
// {
// if (c == 0x03)
// {
// close(uart_usb);
// close(uart_console);
// exit(OK);
// }
// else
// {
// write(uart_usb, &c, 1);
// }
// }
// } while (nread > 0);
// usleep(10000);
// }
//
// int interval = hrt_absolute_time() - start_time;
close(uart_usb);
// close(uart_console);
return 0;
}