diff options
Diffstat (limited to 'src/systemcmds/tests/test_uart_console.c')
| -rw-r--r-- | src/systemcmds/tests/test_uart_console.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/systemcmds/tests/test_uart_console.c b/src/systemcmds/tests/test_uart_console.c new file mode 100644 index 000000000..f8582b52f --- /dev/null +++ b/src/systemcmds/tests/test_uart_console.c @@ -0,0 +1,175 @@ +/**************************************************************************** + * px4/sensors/test_uart_console.c + * + * Copyright (C) 2012 Lorenz Meier. All rights reserved. + * Authors: Lorenz Meier <lm@inf.ethz.ch> + * + * 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 NuttX 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include <debug.h> + +#include <arch/board/board.h> + +#include "tests.h" + +#include <math.h> +#include <float.h> +#include <drivers/drv_hrt.h> + + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: test_led + ****************************************************************************/ + +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); + 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; +} |