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examples: Cleaned up C examples.

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This commit cleans up multiple items with the UPM C example source.

    * Switch from usleep and sleep to upm_delay* methods
    * Include a mraa_init and check return value prior to using sensor
    * All example mains now return
    * Added include for mraa.h and upm_utilites.h to all examples
    * Reformatted/removed tabs
    * Updated author line for the examples I wrote

Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Noel Eck
2016-09-19 15:45:22 -07:00
parent 2ccdc3e673
commit 324af8fc92
35 changed files with 775 additions and 482 deletions
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29
examples/c/collision.c
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@ -7,16 +7,25 @@
#include <unistd.h>
#include "collision.h"
#include "upm_utilities.h"
#include "mraa.h"
int main()
{
collision_context dev = collision_init(2);
bool abc = 0;
while(1){
if(collision_is_colliding(dev, &abc) != UPM_SUCCESS){
printf("an error has occured\n");
}
upm_delay(1);
printf("value retrieved: %d\n", abc);
}
collision_close(dev);
if (mraa_init() != MRAA_SUCCESS)
{
perror("Failed to initialize mraa\n");
return -1;
}
collision_context dev = collision_init(2);
bool abc = 0;
while(1){
if(collision_is_colliding(dev, &abc) != UPM_SUCCESS){
printf("an error has occured\n");
}
upm_delay(1);
printf("value retrieved: %d\n", abc);
}
collision_close(dev);
}