#ifndef __ADC_H__
#define __ADC_H__

#include <global.h>

struct adc_state {
    uint8_t txbuf[12];
    uint8_t rxbuf[12];
    uint32_t dma_ccr3;
    uint32_t sampling_interval_us;
    uint32_t sample_count;
    int32_t samples[16][2];
    size_t sample_wr_idx;
    size_t sample_rd_idx;
    bool has_adc;
    bool overload[2];
    ErrorCode error;
    uint64_t last_error;
};

extern struct adc_state st_adc;

void adc_init(void);
void adc_dma_interrupt(DMA_Channel_TypeDef *channel, uint32_t flags);

#endif /* __ADC_H__ */