65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
|
|
* Author: Brendan Le Foll
|
|
* Copyright (c) 2014 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 <unistd.h>
|
|
|
|
#include "maa.h"
|
|
|
|
static volatile int counter = 0;
|
|
static volatile int oldcounter = 0;
|
|
|
|
void interrupt (void * args) {
|
|
++counter;
|
|
}
|
|
|
|
int main ()
|
|
{
|
|
maa_init();
|
|
maa_gpio_context x;
|
|
|
|
x = maa_gpio_init(6);
|
|
if (x == NULL) {
|
|
return 1;
|
|
}
|
|
|
|
maa_gpio_dir(x, MAA_GPIO_IN);
|
|
|
|
gpio_edge_t edge = MAA_GPIO_EDGE_BOTH;
|
|
|
|
maa_gpio_isr(x, edge, &interrupt, NULL);
|
|
|
|
for(;;) {
|
|
if(counter != oldcounter) {
|
|
fprintf(stdout, "timeout counter == %d\n", counter);
|
|
oldcounter = counter;
|
|
}
|
|
// got to relieve our poor CPU!
|
|
sleep(1);
|
|
}
|
|
|
|
maa_gpio_close(x);
|
|
|
|
return MAA_SUCCESS;
|
|
}
|