diff options
Diffstat (limited to 'src/atsam/adc.c')
| -rw-r--r-- | src/atsam/adc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/atsam/adc.c b/src/atsam/adc.c index 5e5fe420..6ccaf537 100644 --- a/src/atsam/adc.c +++ b/src/atsam/adc.c @@ -47,7 +47,7 @@ gpio_adc_setup(uint8_t pin) if (!is_enabled_pclock(ID_ADC)) { // Setup ADC enable_pclock(ID_ADC); - uint32_t prescal = SystemCoreClock / (2 * ADC_FREQ_MAX) - 1; + uint32_t prescal = get_pclock_frequency(ID_ADC) / (2*ADC_FREQ_MAX) - 1; ADC->ADC_MR = (ADC_MR_PRESCAL(prescal) | ADC_MR_STARTUP_SUT768 | ADC_MR_TRANSFER(1)); |