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aio: remove use of atoi and cleanup debug

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2014-05-13 22:10:41 +00:00
parent 4ef5176dad
commit e35cfb6861
1 changed files with 15 additions and 6 deletions
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17
src/aio/aio.c
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@@ -24,6 +24,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <fcntl.h> #include <fcntl.h>
#include <errno.h>
#include "aio.h" #include "aio.h"
@@ -103,8 +104,7 @@ maa_aio_context* maa_aio_init(unsigned int aio_channel)
*/ */
unsigned int maa_aio_read_u16(maa_aio_context* dev) unsigned int maa_aio_read_u16(maa_aio_context* dev)
{ {
char buffer[16] = ""; char buffer[16];
unsigned int raw_value=0;
unsigned int analog_value = 0; unsigned int analog_value = 0;
unsigned int shifter_value = 0; unsigned int shifter_value = 0;
@@ -114,11 +114,20 @@ unsigned int maa_aio_read_u16(maa_aio_context* dev)
lseek(dev->adc_in_fp, 0, SEEK_SET); lseek(dev->adc_in_fp, 0, SEEK_SET);
if (read(dev->adc_in_fp, buffer, sizeof(buffer)) < 1) { if (read(dev->adc_in_fp, buffer, sizeof(buffer)) < 1) {
fprintf(stderr, "Failed to read a sensible value"); fprintf(stderr, "Failed to read a sensible value\n");
} }
lseek(dev->adc_in_fp, 0, SEEK_SET); lseek(dev->adc_in_fp, 0, SEEK_SET);
raw_value = atoi(buffer); errno = 0;
char *end;
const long value = strtoul(buffer, &end, 10);
if (end == &buffer[0]) {
fprintf(stderr, "%s is not a decimal number\n", buffer);
}
else if (errno != 0) {
fprintf(stderr, "errno was set\n");
}
unsigned int raw_value = (unsigned int) value;
/* Adjust the raw analog input reading to supported resolution value*/ /* Adjust the raw analog input reading to supported resolution value*/
if (ADC_RAW_RESOLUTION_BITS == ADC_SUPPORTED_RESOLUTION_BITS) { if (ADC_RAW_RESOLUTION_BITS == ADC_SUPPORTED_RESOLUTION_BITS) {