Mirror/betaflight
1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-15 12:25:20 +03:00
Code Issues Wiki Activity

Fix ADC clock speed to be within specification

Browse source 
ADC clock speed may be slightly higher, but there is no benefit in current code
This commit is contained in:
Petr Ledvina 2014-12-26 15:13:59 +01:00
parent bebf43d568
commit 6888de5192
1 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
src/main/drivers/adc_stm32f10x.c
View file

@ -117,6 +117,9 @@ void adcInit(drv_adc_config_t *init)
adcConfig[ADC_CURRENT].sampleTime = ADC_SampleTime_239Cycles5; adcConfig[ADC_CURRENT].sampleTime = ADC_SampleTime_239Cycles5;
} }
RCC_ADCCLKConfig(RCC_PCLK2_Div8); // 9MHz from 72MHz APB2 clock(HSE), 8MHz from 64MHz (HSI)
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);