ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #9560 from RobVlaar/analogin-fix-stm32l0xx 

Reset internal vref buffer after an ADC conversion
pull/9581/head
Martin Kojtal 2019-02-01 08:25:10 +01:00 committed by GitHub
parent a0c4646e27 fa68d43ebd
commit 363f35f842
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
targets/TARGET_STM/TARGET_STM32L0/analogin_device.c
View File

@ -175,11 +175,13 @@ uint16_t adc_read(analogin_t *obj)
HAL_ADC_Start(&obj->handle); // Start conversion HAL_ADC_Start(&obj->handle); // Start conversion
// Wait end of conversion and get value // Wait end of conversion and get value
uint16_t adcValue = 0;
if (HAL_ADC_PollForConversion(&obj->handle, 10) == HAL_OK) { if (HAL_ADC_PollForConversion(&obj->handle, 10) == HAL_OK) {
return (uint16_t)HAL_ADC_GetValue(&obj->handle); adcValue = (uint16_t)HAL_ADC_GetValue(&obj->handle);
} else {
return 0;
} }
sConfig.Rank = ADC_RANK_NONE;
HAL_ADC_ConfigChannel(&obj->handle, &sConfig);
return adcValue;
} }
#endif #endif