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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
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8
targets/TARGET_STM/TARGET_STM32L1/analogin_device.c
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@ -105,6 +105,9 @@ uint16_t adc_read(analogin_t *obj)
ADC_ChannelConfTypeDef sConfig = {0}; ADC_ChannelConfTypeDef sConfig = {0};
// Configure ADC channel // Configure ADC channel
sConfig.Rank = ADC_REGULAR_RANK_1;
sConfig.SamplingTime = ADC_SAMPLETIME_48CYCLES;
switch (obj->channel) { switch (obj->channel) {
case 0: case 0:
sConfig.Channel = ADC_CHANNEL_0; sConfig.Channel = ADC_CHANNEL_0;
@ -156,9 +159,11 @@ uint16_t adc_read(analogin_t *obj)
break; break;
case 16: case 16:
sConfig.Channel = ADC_CHANNEL_TEMPSENSOR; sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
sConfig.SamplingTime = ADC_SAMPLETIME_384CYCLES;
break; break;
case 17: case 17:
sConfig.Channel = ADC_CHANNEL_VREFINT; sConfig.Channel = ADC_CHANNEL_VREFINT;
sConfig.SamplingTime = ADC_SAMPLETIME_384CYCLES;
break; break;
case 18: case 18:
sConfig.Channel = ADC_CHANNEL_18; sConfig.Channel = ADC_CHANNEL_18;
@ -216,9 +221,6 @@ uint16_t adc_read(analogin_t *obj)
return 0; return 0;
} }
sConfig.Rank = ADC_REGULAR_RANK_1;
sConfig.SamplingTime = ADC_SAMPLETIME_16CYCLES;
HAL_ADC_ConfigChannel(&obj->handle, &sConfig); HAL_ADC_ConfigChannel(&obj->handle, &sConfig);
HAL_ADC_Start(&obj->handle); // Start conversion HAL_ADC_Start(&obj->handle); // Start conversion