Fix, add ADC_CR2_EXTTRIG to adc_set_extsel() to enable the external trigger mode

2017-05-06 23:02:54 +02:00 · 2017-05-06 23:02:54 +02:00 · 30d1bf4900
parent e3753df280
commit 30d1bf4900
1 changed files with 1 additions and 0 deletions
--- a/STM32F1/cores/maple/libmaple/adc.c
+++ b/STM32F1/cores/maple/libmaple/adc.c
@ -59,6 +59,7 @@ void adc_set_extsel(adc_dev *dev, adc_extsel_event event) {
    uint32 cr2 = dev->regs->CR2;
    cr2 &= ~ADC_CR2_EXTSEL;
    cr2 |= event;
+    cr2 |= ADC_CR2_EXTTRIG;
    dev->regs->CR2 = cr2;
 }