From 5375bb5b86e266157ceceef08c367da711b8144e Mon Sep 17 00:00:00 2001 From: Lorenz Meier Date: Sat, 1 Jun 2013 01:04:32 +0200 Subject: Cleanup, WIP, needs a NuttX checkout to Firmware/NuttX now --- apps/examples/qencoder/qe_main.c | 362 --------------------------------------- 1 file changed, 362 deletions(-) delete mode 100644 apps/examples/qencoder/qe_main.c (limited to 'apps/examples/qencoder/qe_main.c') diff --git a/apps/examples/qencoder/qe_main.c b/apps/examples/qencoder/qe_main.c deleted file mode 100644 index 8c185ea1b..000000000 --- a/apps/examples/qencoder/qe_main.c +++ /dev/null @@ -1,362 +0,0 @@ -/**************************************************************************** - * examples/qe/qe_main.c - * - * Copyright (C) 2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt - * - * 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 - -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include "qe.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -#ifdef CONFIG_NSH_BUILTIN_APPS -struct qe_example_s g_qeexample; -#endif - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: qe_devpath - ****************************************************************************/ - -static void qe_devpath(FAR const char *devpath) -{ - /* Get rid of any old device path */ - - if (g_qeexample.devpath) - { - free(g_qeexample.devpath); - } - - /* The set-up the new device path by copying the string */ - - g_qeexample.devpath = strdup(devpath); -} - -/**************************************************************************** - * Name: qe_help - ****************************************************************************/ - -#ifdef CONFIG_NSH_BUILTIN_APPS -static void qe_help(void) -{ - message("\nUsage: qe [OPTIONS]\n\n"); - message("OPTIONS include:\n"); - message(" [-p devpath] QE device path\n"); - message(" [-n samples] Number of samples\n"); - message(" [-t msec] Delay between samples (msec)\n"); - message(" [-r] Reset the position to zero\n"); - message(" [-h] Shows this message and exits\n\n"); -} -#endif - -/**************************************************************************** - * Name: arg_string - ****************************************************************************/ - -#ifdef CONFIG_NSH_BUILTIN_APPS -static int arg_string(FAR char **arg, FAR char **value) -{ - FAR char *ptr = *arg; - - if (ptr[2] == '\0') - { - *value = arg[1]; - return 2; - } - else - { - *value = &ptr[2]; - return 1; - } -} -#endif - -/**************************************************************************** - * Name: arg_decimal - ****************************************************************************/ - -#ifdef CONFIG_NSH_BUILTIN_APPS -static int arg_decimal(FAR char **arg, FAR long *value) -{ - FAR char *string; - int ret; - - ret = arg_string(arg, &string); - *value = strtol(string, NULL, 10); - return ret; -} -#endif - -/**************************************************************************** - * Name: parse_args - ****************************************************************************/ - -#ifdef CONFIG_NSH_BUILTIN_APPS -static void parse_args(int argc, FAR char **argv) -{ - FAR char *ptr; - FAR char *str; - long value; - int index; - int nargs; - - g_qeexample.reset = false; - g_qeexample.nloops = 1; - g_qeexample.delay = CONFIG_EXAMPLES_QENCODER_DELAY; - - for (index = 1; index < argc; ) - { - ptr = argv[index]; - if (ptr[0] != '-') - { - message("Invalid options format: %s\n", ptr); - exit(0); - } - - switch (ptr[1]) - { - case 'n': - nargs = arg_decimal(&argv[index], &value); - if (value < 0 || value > INT_MAX) - { - message("Sample count out of range: %ld\n", value); - exit(1); - } - - g_qeexample.nloops = (unsigned int)value; - index += nargs; - break; - - case 'p': - nargs = arg_string(&argv[index], &str); - qe_devpath(str); - index += nargs; - break; - - case 't': - nargs = arg_decimal(&argv[index], &value); - if (value < 0 || value > INT_MAX) - { - message("Sample delay out of range: %ld\n", value); - exit(1); - } - - g_qeexample.delay = (unsigned int)value; - index += nargs; - break; - - case 'r': - g_qeexample.reset = true; - index++; - break; - - case 'h': - qe_help(); - exit(EXIT_SUCCESS); - - default: - message("Unsupported option: %s\n", ptr); - qe_help(); - exit(EXIT_FAILURE); - } - } -} -#endif - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: qe_main - ****************************************************************************/ - -int qe_main(int argc, char *argv[]) -{ - int32_t position; - int fd; - int exitval = EXIT_SUCCESS; - int ret; -#if defined(CONFIG_NSH_BUILTIN_APPS) || defined(CONFIG_EXAMPLES_QENCODER_NSAMPLES) - int nloops; -#endif - - /* Check if we have initialized */ - - if (!g_qeexample.initialized) - { - /* Initialization of the encoder hardware is performed by logic external to - * this test. - */ - - message("qe_main: Initializing external encoder(s)\n"); - ret = qe_devinit(); - if (ret != OK) - { - message("qe_main: qe_devinit failed: %d\n", ret); - exitval = EXIT_FAILURE; - goto errout; - } - - /* Set the default values */ - - qe_devpath(CONFIG_EXAMPLES_QENCODER_DEVPATH); - g_qeexample.initialized = true; - } - - /* Parse command line arguments */ - -#ifdef CONFIG_NSH_BUILTIN_APPS - parse_args(argc, argv); -#endif - - /* Open the encoder device for reading */ - - message("qe_main: Hardware initialized. Opening the encoder device: %s\n", - g_qeexample.devpath); - - fd = open(g_qeexample.devpath, O_RDONLY); - if (fd < 0) - { - message("qe_main: open %s failed: %d\n", g_qeexample.devpath, errno); - exitval = EXIT_FAILURE; - goto errout_with_dev; - } - - /* Reset the count if so requested */ - - if (g_qeexample.reset) - { - message("qe_main: Resetting the count...\n"); - ret = ioctl(fd, QEIOC_RESET, 0); - if (ret < 0) - { - message("qe_main: ioctl(QEIOC_RESET) failed: %d\n", errno); - exitval = EXIT_FAILURE; - goto errout_with_dev; - } - } - - /* Now loop the appropriate number of times, displaying the collected - * encoder samples. - */ - -#if defined(CONFIG_NSH_BUILTIN_APPS) - message("qe_main: Number of samples: %d\n", g_qeexample.nloops); - for (nloops = 0; nloops < g_qeexample.nloops; nloops++) -#elif defined(CONFIG_EXAMPLES_QENCODER_NSAMPLES) - message("qe_main: Number of samples: %d\n", CONFIG_EXAMPLES_QENCODER_NSAMPLES); - for (nloops = 0; nloops < CONFIG_EXAMPLES_QENCODER_NSAMPLES; nloops++) -#else - for (;;) -#endif - { - /* Flush any output before the loop entered or from the previous pass - * through the loop. - */ - - msgflush(); - - /* Get the positions data using the ioctl */ - - ret = ioctl(fd, QEIOC_POSITION, (unsigned long)((uintptr_t)&position)); - if (ret < 0) - { - message("qe_main: ioctl(QEIOC_POSITION) failed: %d\n", errno); - exitval = EXIT_FAILURE; - goto errout_with_dev; - } - - /* Print the sample data on successful return */ - - else - { - message("qe_main: %3d. %d\n", nloops+1, position); - } - - /* Delay a little bit */ - -#if defined(CONFIG_NSH_BUILTIN_APPS) - usleep(g_qeexample.delay * 1000); -#else - usleep(CONFIG_EXAMPLES_QENCODER_DELAY * 1000); -#endif - } - -errout_with_dev: - close(fd); - -errout: - message("Terminating!\n"); - msgflush(); - return exitval; -} -- cgit v1.2.3