knock_config.h

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#pragma once
 
// Knock is on ADC3
#define KNOCK_ADC ADCD3
 
// knock 1 - pin PA2
#define KNOCK_ADC_CH1 ADC_CHANNEL_IN2
#define KNOCK_PIN_CH1 Gpio::A2
 
// Sample rate & time - depends on the exact MCU
#define KNOCK_SAMPLE_TIME ADC_SAMPLE_84
#define KNOCK_SAMPLE_RATE (STM32_PCLK2 / (4 * (84 + 12)))