diff options
Diffstat (limited to 'apps/px4/tests/test_uart_loopback.c')
| -rw-r--r-- | apps/px4/tests/test_uart_loopback.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/apps/px4/tests/test_uart_loopback.c b/apps/px4/tests/test_uart_loopback.c deleted file mode 100644 index 3be152004..000000000 --- a/apps/px4/tests/test_uart_loopback.c +++ /dev/null @@ -1,195 +0,0 @@ -/**************************************************************************** - * px4/sensors/test_gpio.c - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * 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> - - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: test_led - ****************************************************************************/ - -int test_uart_loopback(int argc, char *argv[]) -{ - - int uart5_nread = 0; - int uart2_nread = 0; - int uart5_nwrite = 0; - int uart2_nwrite = 0; - - int uart1 = open("/dev/ttyS0", O_RDWR | O_NOCTTY); // - - /* assuming NuttShell is on UART1 (/dev/ttyS0) */ - int uart2 = open("/dev/ttyS1", O_RDWR | O_NONBLOCK | O_NOCTTY); // - int uart5 = open("/dev/ttyS2", O_RDWR | O_NONBLOCK | O_NOCTTY); // - - if (uart2 < 0) { - printf("ERROR opening UART2, aborting..\n"); - return uart2; - } - - if (uart5 < 0) { - printf("ERROR opening UART5, aborting..\n"); - exit(uart5); - } - - uint8_t sample_uart1[] = {'C', 'O', 'U', 'N', 'T', ' ', '#', '\n'}; - uint8_t sample_uart2[] = {'C', 'O', 'U', 'N', 'T', ' ', '#', 0}; - uint8_t sample_uart5[] = {'C', 'O', 'U', 'N', 'T', ' ', '#', 0}; - - int i, r; - - for (i = 0; i < 1000; i++) { -// printf("TEST #%d\n",i); - write(uart1, sample_uart1, sizeof(sample_uart1)); - - /* uart2 -> uart5 */ - r = write(uart2, sample_uart2, sizeof(sample_uart2)); - - if (r > 0) - uart2_nwrite += r; - -// printf("TEST #%d\n",i); - write(uart1, sample_uart1, sizeof(sample_uart1)); - - /* uart2 -> uart5 */ - r = write(uart5, sample_uart5, sizeof(sample_uart5)); - - if (r > 0) - uart5_nwrite += r; - -// printf("TEST #%d\n",i); - write(uart1, sample_uart1, sizeof(sample_uart1)); - - /* try to read back values */ - do { - r = read(uart5, sample_uart2, sizeof(sample_uart2)); - - if (r > 0) - uart5_nread += r; - } while (r > 0); - -// printf("TEST #%d\n",i); - write(uart1, sample_uart1, sizeof(sample_uart1)); - - do { - r = read(uart2, sample_uart5, sizeof(sample_uart5)); - - if (r > 0) - uart2_nread += r; - } while (r > 0); - -// printf("TEST #%d\n",i); -// write(uart1, sample_uart1, sizeof(sample_uart5)); - } - - for (i = 0; i < 200000; i++) { - - /* try to read back values */ - r = read(uart5, sample_uart2, sizeof(sample_uart2)); - - if (r > 0) - uart5_nread += r; - - r = read(uart2, sample_uart5, sizeof(sample_uart5)); - - if (r > 0) - uart2_nread += r; - - if ((uart2_nread == uart2_nwrite) && (uart5_nread == uart5_nwrite)) - break; - } - - - close(uart1); - close(uart2); - close(uart5); - - printf("uart2_nwrite %d\n", uart2_nwrite); - printf("uart5_nwrite %d\n", uart5_nwrite); - printf("uart2_nread %d\n", uart2_nread); - printf("uart5_nread %d\n", uart5_nread); - - - return 0; -} |