#ifndef _ADS1256_H
#define _ADS1256_H

#include "stdint.h"
#include "ads1256_defines.h"

#define STATUS                  0x00
#define MUX                     0x01
#define ADCON                   0x02
#define DRATE                   0x03
#define IO                      0x04
#define OFC0                    0x05
#define OFC1                    0x06
#define OFC2                    0x07
#define FSC0                    0x08
#define FSC1                    0x09
#define FSC2                    0x0A

#define uV                      100000000
#define mV                      1000

#define MEAS_CASE_INIT          50
#define MEAS_CASE_SET_CH        51
#define MEAS_CASE_GET_CH_DATA   52

#define MEAS_BUF_SIZE           16

#define CH1_INDEX_RANGE         2
#define CH2_INDEX_RANGE         6
#define CH3_INDEX_RANGE         10
#define CH4_INDEX_RANGE         14

#define CH_MEAN_SIZE            4
#define ADC_MAX_RANGE           6U
#define ADC_MAX_SPS             ADC_SPS_VAR_30000_SPS
#define ADC_MAX_PGA             ADC_PGA_VAR_64

#define CH_1p                   0x0A
#define CH_1n                   0x0B
#define CH_2p                   0x14
#define CH_2n                   0x15
#define CH_3p                   0x1e
#define CH_3n                   0x1f
#define CH_4p                   0x28
#define CH_4n                   0x29


#endif

void ADC_SET_CS(uint8_t state);

void ADC_SET_SYNC(uint8_t state);

void ADC_RESET_STATE(uint8_t state);

uint8_t read_reg(uint8_t reg_name);

void write_reg(uint8_t reg_name, uint8_t cmd_byte);

void ADC_change_SPS(uint8_t SPS);

void ADC_set_SPS(uint8_t SPS);

void ADC_init(uint8_t buf_state);

uint8_t ADC_get_SPS(void);

void ADC_change_PGA(uint8_t PGA);

uint8_t ADC_get_PGA(void);

void ADC_set_PGA(uint8_t PGA_val_new);

void ADC_SelfCal();

void ADC_sync(uint8_t state);

void ADC_sync_trig(void);

void ADC_setCh_p(uint8_t adcx, uint8_t chx);

void ADC_setCh_n(uint8_t adcx, uint8_t chx);

int64_t ADC_read(uint8_t ADC_number);

int64_t ADC_read_aver(uint8_t adcx, uint8_t chx);

void iter_delay(long delay);

void ADC_set_pos_ch(uint8_t ch);

void ADC_set_neg_ch(uint8_t ch);

void ADC_revpol_read(int64_t *ADC_arrptr);

uint8_t ADC_meas_ready(void);

uint8_t ADC_get_currMeasCh(void);