diff options
| author | yn386 <wf.yn386@gmail.com> | 2022-10-22 16:19:58 +0900 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2022-11-18 14:46:14 +1100 |
| commit | f6b5d1838b2c76cf4e5a18509c8fad91dbb01ed9 (patch) | |
| tree | 4ebcc2c9b3917722ed91de1f639fbf221b8850b7 | |
| parent | 2154ee21635c85baf07e50ca1bfaf8c89cae192a (diff) | |
stm32/adc: Fix ADCAll.read_core_temp() on L4 MCUs.
TS_CAL1 and TS_CAL2 of STM32L4 are at VDDA=3.0V, so the reference
correction factor should be updated before reading tempsensor.
| -rw-r--r-- | ports/stm32/adc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ports/stm32/adc.c b/ports/stm32/adc.c index 5aa7ce426..2df6b7abf 100644 --- a/ports/stm32/adc.c +++ b/ports/stm32/adc.c @@ -860,9 +860,9 @@ float adc_read_core_temp_float(ADC_HandleTypeDef *adcHandle) { return 0; } #else - #if defined(STM32L1) + #if defined(STM32L1) || defined(STM32L4) // Update the reference correction factor before reading tempsensor - // because TS_CAL1 and TS_CAL2 of STM32L1 are at VDDA=3.0V + // because TS_CAL1 and TS_CAL2 of STM32L1/L4 are at VDDA=3.0V adc_read_core_vref(adcHandle); #endif int32_t raw_value = adc_config_and_read_ref(adcHandle, ADC_CHANNEL_TEMPSENSOR); |