sc8-gat-stand/gat_stand_fw/user/periph/adc.h

/*
 * lightsense.h
 *
 *  Created on: Oct 18, 2024
 *      Author: true
 */

#ifndef USER_PERIPH_ADC_H_
#define USER_PERIPH_ADC_H_



#define LSENS_DARK_THRESHOLD  0x7ff     // baseline minimum value reading achieved in darkness

#define LSENS_A_PORT        GPIOA
#define LSENS_A_PIN         GPIO_Pin_5
#define LSENS_K_PORT        GPIOB
#define LSENS_K_PIN         GPIO_Pin_0
#define LSENS_ADC_CH        ADC_Channel_8

#define LSENS_COARSE_UP     0x990       // counts higher than this increase lsens_coarse, maximum 64
#define LSENS_COARSE_DOWN   0x890       // counts lower than this decrease lsens_coarse, minimum 1

#define LSENS_DARK          48
#define LSENS_BRIGHT        32

enum lsens_mode {
    LSENS_READING_IDLE = 0,
    LSENS_READING_START,
    LSENS_READING_WAIT,
    LSENS_READING_TIMEOUT,
    LSENS_OUTPUT = 0xff
};



void adc_init();

void adc_convert();
void adc_read();

void adc_set_mode_lsens(uint8_t mode);
uint8_t adc_get_mode_lsens();

void adc_process_lsens();

uint16_t adc_get_lsens();
uint8_t adc_get_lsens_coarse();



#endif /* USER_PERIPH_ADC_H_ */