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aio: change return from uint16 to unsigned int

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Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Thomas Ingleby
2014-09-22 15:29:02 +01:00
parent 1fcdfde02c
commit e82a76593d
3 changed files with 12 additions and 15 deletions
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11
src/aio/aio.c
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@@ -112,17 +112,14 @@ mraa_aio_context mraa_aio_init(unsigned int aio_channel)
return dev;
}
/** Read the input voltage, represented as an unsigned short in the range [0x0,
* 0xFFFF]
/** Read the input voltage.
*
* @param pointer to mraa_aio_context structure initialised by
* mraa_aio_init()
*
* @returns
* unsigned 16 bit int representing the current input voltage, normalised to
* a 16-bit value
* @returns The current input voltage. By default, a 10bit value
*/
uint16_t mraa_aio_read(mraa_aio_context dev)
unsigned int mraa_aio_read(mraa_aio_context dev)
{
char buffer[16];
unsigned int shifter_value = 0;
@@ -139,7 +136,7 @@ uint16_t mraa_aio_read(mraa_aio_context dev)
errno = 0;
char *end;
uint16_t analog_value = (uint16_t) strtoul(buffer, &end, 10);
unsigned int analog_value = (unsigned int) strtoul(buffer, &end, 10);
if (end == &buffer[0]) {
fprintf(stderr, "%s is not a decimal number\n", buffer);
}