Raspberries/mraa
Private
Public Access
2
0
Fork 0
Code Activity

up2: adding platform examples for built-in user leds

Browse Source 
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Mihai Tudor Panu
2018-03-22 15:29:01 -07:00
parent d9c54e1d31
commit bbcdb1e087
3 changed files with 185 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
examples/platform/CMakeLists.txt
View File

@@ -1,6 +1,9 @@
add_executable (gpio_edison gpio_edison.c)
target_link_libraries (gpio_edison mraa)
add_executable (up2-leds up2-leds.cpp)
target_link_libraries (up2-leds mraa)
include_directories(${PROJECT_SOURCE_DIR}/api)
include_directories(${PROJECT_SOURCE_DIR}/api/mraa)

87
examples/platform/Up2Leds.java Normal file
View File

@@ -0,0 +1,87 @@
/*
* Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
* Copyright (c) 2018 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
import mraa.Led;
import mraa.Platform;
import mraa.mraa;
public class Up2Leds {
static {
try {
System.loadLibrary("mraajava");
} catch (UnsatisfiedLinkError e) {
System.err.println( "Native code library failed to load."
+ " See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
System.exit(1);
}
}
// Define led names and min/max brightness
final static String[] ledNames = {"red", "green", "yellow", "blue"};
final static int minBrightness = 0;
final static int maxBrightness = 255;
public static void main(String argv[]) throws InterruptedException {
// Perform a basic platform and version check
if (mraa.getPlatformType() != Platform.INTEL_UP2) {
System.out.println("This example is meant for the UP Squared board.");
System.out.println("Running it on different platforms will likely require code changes!");
}
if (mraa.getVersion().compareTo("v1.9.0") < 0) {
System.out.println("You need MRAA version 1.9.0 or newer to run this sample!");
System.exit(1);
}
// Define and initialize our LEDs
Led[] leds = new Led[ledNames.length];
for (int i = 0; i < ledNames.length; i++) {
leds[i] = new Led(ledNames[i]);
}
// Add a hook for handling keyboard interrupts and cleanup
Runtime.getRuntime().addShutdownHook(new Thread()
{
@Override
public void run()
{
System.out.println("Exiting...");
for (Led led : leds) {
led.setBrightness(minBrightness);
}
}
});
// Main loop
while (!Thread.interrupted()) {
for (Led led : leds) {
led.setBrightness(maxBrightness);
Thread.sleep(200);
led.setBrightness(minBrightness);
}
Thread.sleep(200);
}
}
}

95
examples/platform/up2-leds.cpp Normal file
View File

@@ -0,0 +1,95 @@
/*
* Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
* Copyright (c) 2018 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <iostream>
#include <string>
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include "mraa/common.hpp"
#include "mraa/led.hpp"
// Define min and max brightness
#define LED_ON 255
#define LED_OFF 0
// This boolean controls the main loop
volatile bool should_run = true;
// Interrupt signal handler function
void
sig_handler(int signum)
{
if (signum == SIGINT) {
std::cout << "Exiting..." << std::endl;
should_run = false;
}
}
// Main function
int
main()
{
// Perform a basic platform and version check
if (mraa::getPlatformType() != mraa::INTEL_UP2) {
std::cout << "This example is meant for the UP Squared board." << std::endl;
std::cout << "Running it on different platforms will likely require code changes!" << std::endl;
}
if (mraa::getVersion().compare("v1.9.0") < 0) {
std::cout << "You need MRAA version 1.9.0 or newer to run this sample!" << std::endl;
return 1;
}
// Register handler for keyboard interrupts
signal(SIGINT, sig_handler);
// Define our LEDs
std::string led_names[] = {"red", "green", "yellow", "blue"};
int led_no = sizeof(led_names)/sizeof(led_names[0]);
mraa::Led **leds = new mraa::Led*[led_no];
// Initialize them
for (int i = 0; i < led_no; i++) {
leds[i] = new mraa::Led(led_names[i].c_str());
}
// Blink them in order and pause in-between
while (should_run) {
for (int i = 0; i < led_no; i++) {
leds[i]->setBrightness(LED_ON);
usleep(200000);
leds[i]->setBrightness(LED_OFF);
}
usleep(200000);
}
// Cleanup and exit
for (int i = 0; i < led_no; i++) {
delete leds[i];
}
delete [] leds;
return 0;
}