diff options
| -rw-r--r-- | src/stm32/stm32h7_adc.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/src/stm32/stm32h7_adc.c b/src/stm32/stm32h7_adc.c index a42ff587..1d15cc85 100644 --- a/src/stm32/stm32h7_adc.c +++ b/src/stm32/stm32h7_adc.c @@ -29,11 +29,6 @@ #define OVERSAMPLES_EXPONENT 3 #define OVERSAMPLES (1 << OVERSAMPLES_EXPONENT) - // LDORDY registers are missing from CMSIS (only available on revision V!) - #define ADC_ISR_LDORDY_Pos (12U) - #define ADC_ISR_LDORDY_Msk (0x1UL << ADC_ISR_LDORDY_Pos) - #define ADC_ISR_LDORDY ADC_ISR_LDORDY_Msk - #elif CONFIG_MACH_STM32L4 #define ADCIN_BANK_SIZE (19) #define RCC_AHBENR_ADC (RCC->AHB2ENR) @@ -258,18 +253,10 @@ gpio_adc_setup(uint32_t pin) MODIFY_REG(adc->CR, ADC_CR_DEEPPWD_Msk, 0); // Switch on voltage regulator adc->CR |= ADC_CR_ADVREGEN; -#ifdef ADC_ISR_LDORDY - if (is_stm32h723_adc3 == 0) { - while(!(adc->ISR & ADC_ISR_LDORDY)) - ; - } else -#endif - { - // stm32h723 ADC3 & stm32l4 lacks ldordy, delay to spec instead - uint32_t end = timer_read_time() + timer_from_us(20); - while (timer_is_before(timer_read_time(), end)) - ; - } + // Wait for voltage regulator to stabilize + uint32_t end = timer_read_time() + timer_from_us(20); + while (timer_is_before(timer_read_time(), end)) + ; // Set Boost mode for 25Mhz < ADC clock <= 50Mhz #ifdef ADC_CR_BOOST |