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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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34
examples/c/mq303a.c
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@ -7,20 +7,28 @@
#include <unistd.h>
#include "mq303a.h"
#include "upm_utilities.h"
#include "mraa.h"
int main() {
if (mraa_init() != MRAA_SUCCESS)
{
perror("Failed to initialize mraa\n");
return -1;
}
/* --------- MQ303A EXAMPLE -------- */
mq303a_context dev = mq303a_init(0, 15);
printf("init done for mq303a\n");
int value;
mq303a_heater_enable(dev, true);
upm_delay(12);
while(1){
mq303a_get_value(dev, &value);
printf("returned value: %d\n", value);
upm_delay(1);
}
return 0;
/* --------- MQ303A EXAMPLE -------- */
mq303a_context dev = mq303a_init(0, 15);
printf("init done for mq303a\n");
int value;
mq303a_heater_enable(dev, true);
upm_delay(12);
while(1){
mq303a_get_value(dev, &value);
printf("returned value: %d\n", value);
upm_delay(1);
}
return 0;
}