shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/analogin_api.c

Revision:
298:7557d401dbc3
Parent:
227:7bd0639b8911
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/analogin_api.c	Wed Aug 27 03:30:08 2014 +0100
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/analogin_api.c	Wed Aug 27 03:45:07 2014 +0100
@@ -180,7 +180,10 @@
 }
 
 uint16_t analogin_read_u16(analogin_t *obj) {
-    return (adc_read(obj));
+    uint16_t value = adc_read(obj);
+    // 12-bit to 16-bit conversion
+    value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F);
+    return value;
 }
 
 float analogin_read(analogin_t *obj) {