knock_config.h

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/**
 * @file knock_config.h
 */
 
#pragma once
 
// Knock is on ADC3
#define KNOCK_ADC ADCD3
 
// knock 1 - pin PF4
#define KNOCK_PIN_CH1 Gpio::F4
 
// knock 2 - pin PF5
#define KNOCK_HAS_CH2 true
#define KNOCK_PIN_CH2 Gpio::F5
 
// Sample rate & time - depends on the exact MCU
#if defined(STM32H7XX)
    // H7
    #define KNOCK_ADC_CH1 9
    #define KNOCK_ADC_CH2 4
 
    #define H7_KNOCK_OVERSAMPLE 4
    #define KNOCK_SAMPLE_TIME ADC_SMPR_SMP_8P5
    #define KNOCK_SAMPLE_RATE (STM32_ADC3_CLOCK / (H7_KNOCK_OVERSAMPLE * (8 + 8)))
#else
    // F4/F7
    #define KNOCK_ADC_CH1 ADC_CHANNEL_IN14
    #define KNOCK_ADC_CH2 ADC_CHANNEL_IN15
 
    #define KNOCK_SAMPLE_TIME ADC_SAMPLE_84
    #define KNOCK_SAMPLE_RATE (STM32_PCLK2 / (4 * (84 + 12)))
#endif