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-rw-r--r--peripheral/examples/mraa/gpio_output/OutputGPIO.cpp127
1 files changed, 0 insertions, 127 deletions
diff --git a/peripheral/examples/mraa/gpio_output/OutputGPIO.cpp b/peripheral/examples/mraa/gpio_output/OutputGPIO.cpp
deleted file mode 100644
index 1012a2c..0000000
--- a/peripheral/examples/mraa/gpio_output/OutputGPIO.cpp
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * This is an example to set/clear a GPIO pin using the MRAA library.
- * This may be tested with any of many GPIO devices such as an LED
- * directly connected to the GPIO pin and ground,
- * the Grove buzzer or Grove LED board.
- *
- * The on-board LED on the Edison Arudino expansion board may be
- * accessed with Digital I/O 13 (mapped from Linux GPIO 243):
- * example-gpio-output -p 13 -s
- *
- * See the following link for a table to map from the numbers on the
- * board silk screen to the libmraa GPIO numbers:
- * https://learn.sparkfun.com/tutorials/installing-libmraa-on-ubilinux-for-edison
- */
-#include <getopt.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <mraa.h>
-
-// Structure to hold the decoded command line options
-struct pgm_options {
- int pin;
- bool set;
- bool clear;
-};
-
-// Be sure to keep the options for longopts and shortopts in the same order
-// so that Usage() is correct.
-static struct option longopts[] = {
- {"help", no_argument, NULL, '?'},
- {"pin", required_argument, NULL, 'p'},
- {"set", no_argument, NULL, 's'},
- {"clear", no_argument, NULL, 'c'},
- {NULL, 0, NULL, 0 }
-};
-static char shortopts[] = "?p:sc";
-
-// Describes the options for this program.
-void Usage(char *pgm_name) {
- printf("Usage: %s [options...]\n", pgm_name);
- printf("Manipulate a GPIO pin\n");
- printf("Options:\n");
- for (int i = 0, j = 0; longopts[i].name; i++, j++) {
- if (shortopts[j] == ':')
- j++;
- printf(" --%-6s%s or -%c%s""\n",
- longopts[i].name,
- (shortopts[j+1] == ':') ? " <arg> " : "",
- shortopts[j],
- (shortopts[j+1] == ':') ? " <arg> " : "");
- }
- return;
-}
-
-// Processes all command line options.
-// sets the options members for commnd line options
-// returns (0) on success, -1 otherwise.
-int ReadOpts(int argc, char **argv, struct pgm_options *options) {
- int ch = 0;
-
- while ((ch = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
- switch (ch) {
- case 'p':
- options->pin = atoi(optarg);
- break;
- case 's':
- options->set = true;
- break;
- case 'c':
- options->clear = true;
- break;
- default:
- Usage(argv[0]);
- return -1;
- }
- }
- argc -= optind;
- argv += optind;
-
- return 0;
-}
-
-int main(int argc, char* argv[]) {
- const unsigned kDefaultPinGPIO = 7;
- pgm_options options = {kDefaultPinGPIO, false, false};
-
- if (ReadOpts(argc, argv, &options) < 0)
- return 1;
-
- mraa_init();
- mraa_gpio_context m_gpio = mraa_gpio_init(options.pin);
- if (!m_gpio) {
- fprintf(stderr, "Unable to initialize GPIO, invalid pin number?\n");
- return 1;
- }
- mraa_gpio_dir(m_gpio, MRAA_GPIO_OUT);
-
- if (options.set)
- mraa_gpio_write(m_gpio, 1);
-
- // If both options were specified, wait a few seconds before clearing
- if (options.clear && options.set)
- sleep(5);
-
- if (options.clear)
- mraa_gpio_write(m_gpio, 0);
-
- mraa_gpio_close(m_gpio);
- return 0;
-}