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Initial import of support files for all Digistump boards - Digispark, Pro, DigiX - including libraries, examples, tools, and other support files for the Arduino IDE

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Erik Tylek Kettenburg
2014-12-19 08:45:50 -08:00
parent 97abdbf157
commit 7e7473a2d6
3567 changed files with 722870 additions and 0 deletions
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68
hardware/digistump/sam/libraries/RF24/librf24-rpi/librf24/gpio.cpp Normal file
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/*
* https://github.com/mrshu/GPIOlib
* Copyright (c) 2011, Copyright (c) 2011 mr.Shu
* All rights reserved.
*
* Modified on 24 June 2012, 11:06 AM
* File: gpio.cpp
* Author: purinda (purinda@gmail.com)
*
*/
#include "gpio.h"
GPIO::GPIO() {
}
GPIO::~GPIO() {
}
void GPIO::open(int port, int DDR)
{
FILE *f;
f = fopen("/sys/class/gpio/export", "w");
fprintf(f, "%d\n", port);
fclose(f);
char file[128];
sprintf(file, "/sys/class/gpio/gpio%d/direction", port);
f = fopen(file, "w");
if (DDR == 0) fprintf(f, "in\n");
else fprintf(f, "out\n");
fclose(f);
}
void GPIO::close(int port)
{
FILE *f;
f = fopen("/sys/class/gpio/unexport", "w");
fprintf(f, "%d\n", port);
fclose(f);
}
int GPIO::read(int port)
{
FILE *f;
char file[128];
sprintf(file, "/sys/class/gpio/gpio%d/value", port);
f = fopen(file, "r");
int i;
fscanf(f, "%d", &i);
fclose(f);
return i;
}
void GPIO::write(int port, int value){
FILE *f;
char file[128];
sprintf(file, "/sys/class/gpio/gpio%d/value", port);
f = fopen(file, "w");
if (value == 0) fprintf(f, "0\n");
else fprintf(f, "1\n");
fclose(f);
}