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

examples: make main loops finite to ensure proper cleanup

Browse Source 
Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Alex Tereschenko
2017-06-05 18:22:29 +02:00
committed by Brendan Le Foll
parent 32340f6819
commit c36e4add5a
15 changed files with 112 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
examples/c++/AioA0.cpp
View File

@@ -1,5 +1,6 @@
/*
* Author: Brendan Le Foll <brendan.le.foll@intel.com>
* Contributors: Alex Tereschenko <alex.mkrs@gmail.com>
* Copyright (c) 2014 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
@@ -22,9 +23,22 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//! [Interesting]
#include <signal.h>
#include "mraa.hpp"
int running = 0;
void
sig_handler(int signo)
{
if (signo == SIGINT) {
printf("closing down nicely\n");
running = -1;
}
}
//! [Interesting]
int
main()
{
@@ -34,13 +48,16 @@ main()
a0 = new mraa::Aio(0);
for (;;) {
signal(SIGINT, sig_handler);
while (running == 0) {
adc_value = a0->read();
adc_value_float = a0->readFloat();
fprintf(stdout, "ADC A0 read %X - %d\n", adc_value, adc_value);
fprintf(stdout, "ADC A0 read float - %.5f\n", adc_value_float);
fprintf(stdout, "ADC A0 read float - %.5f (Ctrl+C to exit)\n", adc_value_float);
}
delete a0;
return MRAA_SUCCESS;
}
//! [Interesting]