aio: remove _u16 suffix from call. Make return type a uint16_t

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

api/aio.h

@@ -35,6 +35,7 @@ extern "C" {
 
 #include <stdio.h>
 #include <unistd.h>
+#include <stdint.h>
 
 #include "maa.h"
 #include "gpio.h"
@@ -65,7 +66,7 @@ maa_aio_context* maa_aio_init(unsigned int aio_channel);
  * @returns 16-bit unsigned integer representing the current input voltage,
  * normalised to a 16-bit value
  */
-unsigned int maa_aio_read_u16(maa_aio_context* dev);
+uint16_t maa_aio_read(maa_aio_context* dev);
 
 /** Close the analog input context
  * - Will free the memory for the context.

examples/analogin_a0.c

@@ -30,7 +30,7 @@ int main ()
 {
     maa_init();
     maa_aio_context* adc_a0;
-    unsigned int adc_value = 0;
+    uint16_t adc_value = 0;
 
     adc_a0 = maa_aio_init(0);
     if (adc_a0 == NULL) {
@@ -38,7 +38,7 @@ int main ()
     }
 
     for(;;) {
-        adc_value = maa_aio_read_u16(adc_a0);
+        adc_value = maa_aio_read(adc_a0);
         fprintf(stdout, "ADC A0 read %X - %d\n", adc_value, adc_value);
     }
 

src/aio/aio.c

@@ -99,10 +99,10 @@ maa_aio_context* maa_aio_init(unsigned int aio_channel)
  * maa_aio_init()
  *
  * @returns
- *   16-bit unsigned int representing the current input voltage, normalised to
+ *   unsigned 16 bit int representing the current input voltage, normalised to
  *   a 16-bit value
  */
-unsigned int maa_aio_read_u16(maa_aio_context* dev)
+uint16_t maa_aio_read(maa_aio_context* dev)
 {
     char buffer[16];
     unsigned int analog_value = 0;

src/maa.i

@@ -289,6 +289,6 @@ typedef struct {
   }
   unsigned int read()
   {
-    return maa_aio_read_u16($self);
+    return maa_aio_read($self);
   }
 }