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

STM32L1 ADC update for internal channels

pull/8134/head
jeromecoutant 2018-09-14 12:14:40 +02:00
parent 2e5e23f7c1
commit f41c72ded8
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_STM32L1/analogin_device.c
View File

@ -105,6 +105,9 @@ uint16_t adc_read(analogin_t *obj)
ADC_ChannelConfTypeDef sConfig = {0};
// Configure ADC channel
sConfig.Rank = ADC_REGULAR_RANK_1;
sConfig.SamplingTime = ADC_SAMPLETIME_48CYCLES;
switch (obj->channel) {
case 0:
sConfig.Channel = ADC_CHANNEL_0;
@ -156,9 +159,11 @@ uint16_t adc_read(analogin_t *obj)
break;
case 16:
sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
sConfig.SamplingTime = ADC_SAMPLETIME_384CYCLES;
break;
case 17:
sConfig.Channel = ADC_CHANNEL_VREFINT;
sConfig.SamplingTime = ADC_SAMPLETIME_384CYCLES;
break;
case 18:
sConfig.Channel = ADC_CHANNEL_18;
@ -216,9 +221,6 @@ uint16_t adc_read(analogin_t *obj)
return 0;
}
sConfig.Rank = ADC_REGULAR_RANK_1;
sConfig.SamplingTime = ADC_SAMPLETIME_16CYCLES;
HAL_ADC_ConfigChannel(&obj->handle, &sConfig);
HAL_ADC_Start(&obj->handle); // Start conversion