Diff: targets/TARGET_STM/TARGET_STM32L0/analogin_device.c

Revision:

189:f392fc9709a3

Parent:

188:bcfe06ba3d64

--- a/targets/TARGET_STM/TARGET_STM32L0/analogin_device.c	Thu Nov 08 11:46:34 2018 +0000
+++ b/targets/TARGET_STM/TARGET_STM32L0/analogin_device.c	Wed Feb 20 22:31:08 2019 +0000
@@ -172,20 +172,16 @@
 
     HAL_ADC_ConfigChannel(&obj->handle, &sConfig);
 
-    /* need to wait for some stabilization time after setting the TSEN bit in the ADC_CCR
-    register to wake up the temperature sensor from power down mode */
-    if (sConfig.Channel == ADC_CHANNEL_TEMPSENSOR) {
-        wait_ms(20);
-    }
-
     HAL_ADC_Start(&obj->handle); // Start conversion
 
     // Wait end of conversion and get value
+    uint16_t adcValue = 0;
     if (HAL_ADC_PollForConversion(&obj->handle, 10) == HAL_OK) {
-        return (uint16_t)HAL_ADC_GetValue(&obj->handle);
-    } else {
-        return 0;
+        adcValue = (uint16_t)HAL_ADC_GetValue(&obj->handle);
     }
+    sConfig.Rank = ADC_RANK_NONE;
+    HAL_ADC_ConfigChannel(&obj->handle, &sConfig);
+    return adcValue;	
 }
 
 #endif