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stm32h7:ADC Better accurcy - Slow down access

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This commit is contained in:
David Sidrane
2022-03-21 14:29:59 -07:00
parent 24041b341b
commit 6941bd5579
1 changed files with 1 additions and 1 deletions
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platforms/nuttx/src/px4/stm/stm32h7/adc/adc.cpp
+1 -1
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@@ -69,7 +69,7 @@
#define rSQR4(base) REG((base), STM32_ADC_SQR4_OFFSET)
#define rDR(base) REG((base), STM32_ADC_DR_OFFSET)
#define ADC_SMPR_DEFAULT ADC_SMPR_64p5 // 64.5 +7.5 * 24 Mhz is 3 uS
#define ADC_SMPR_DEFAULT ADC_SMPR_387p5 // 387.5 +7.5 * 24 Mhz is 16.5 uS
#define ADC_SMPR1_DEFAULT ((ADC_SMPR_DEFAULT << ADC_SMPR1_SMP0_SHIFT) | \
(ADC_SMPR_DEFAULT << ADC_SMPR1_SMP1_SHIFT) | \
(ADC_SMPR_DEFAULT << ADC_SMPR1_SMP2_SHIFT) | \