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| author | Kevin O'Connor <kevin@koconnor.net> | 2022-12-14 09:53:06 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2023-01-17 18:22:21 -0500 |
| commit | d372f913efb84b2303aff9906caeed44d9b37069 (patch) | |
| tree | f999eabcc827060f6e7fb5875e43e15b8959c530 /src | |
| parent | 51526fd627d603f209a5ac64f0f533846b4dfec4 (diff) | |
| download | kutter-d372f913efb84b2303aff9906caeed44d9b37069.tar.gz kutter-d372f913efb84b2303aff9906caeed44d9b37069.tar.xz kutter-d372f913efb84b2303aff9906caeed44d9b37069.zip | |
stm32: Don't use read-modify-write on ISR register in stm32h7_adc.c
Bits are cleared in the ISR register by writing 1, not by masking.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src')
| -rw-r--r-- | src/stm32/stm32h7_adc.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/stm32/stm32h7_adc.c b/src/stm32/stm32h7_adc.c index ddec7d88..b9e14916 100644 --- a/src/stm32/stm32h7_adc.c +++ b/src/stm32/stm32h7_adc.c @@ -237,11 +237,10 @@ gpio_adc_setup(uint32_t pin) ; // Enable ADC - // "Clear the ADRDY bit in the ADC_ISR register by writing ‘1’" - adc->ISR |= ADC_ISR_ADRDY; + adc->ISR = ADC_ISR_ADRDY; adc->ISR; // Dummy read to make sure write is flushed adc->CR |= ADC_CR_ADEN; - while(!(adc->ISR & ADC_ISR_ADRDY)) + while (!(adc->ISR & ADC_ISR_ADRDY)) ; // Set ADC clock cycles sample time for every channel |