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STM32F7: stm32_adc: Do not override ADCPRE_DIV when measuring internal voltage

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This commit is contained in:
Juha Niskanen 2017-04-18 06:51:20 -06:00 committed by Gregory Nutt
parent 54eae7dcde
commit 3c0f3ea35b
1 changed files with 3 additions and 3 deletions
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6
arch/arm/src/stm32f7/stm32_adc.c
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@ -1277,12 +1277,12 @@ static void adc_reset(FAR struct adc_dev_s *dev)
/* ADC CCR configuration */ /* ADC CCR configuration */
clrbits = ADC_CCR_ADCPRE_MASK | ADC_CCR_TSVREFE; clrbits = ADC_CCR_ADCPRE_MASK | ADC_CCR_TSVREFE;
setbits = ADC_CCR_ADCPRE_DIV; setbits = ADC_CCR_ADCPRE_DIV;
if (adc_internal(priv)) if (adc_internal(priv))
{ {
setbits = ADC_CCR_TSVREFE; setbits |= ADC_CCR_TSVREFE;
} }
clrbits |= ADC_CCR_MULTI_MASK | ADC_CCR_DELAY_MASK | ADC_CCR_DDS | clrbits |= ADC_CCR_MULTI_MASK | ADC_CCR_DELAY_MASK | ADC_CCR_DDS |