Files
ModbusThermometer/ads1210.h
2014-11-02 21:37:29 +01:00

63 lines
1.2 KiB
C++

#ifndef _ads1210_h_
#define _ads1210_h_
#include <stdint.h>
class ADS1210 {
public:
ADS1210(uint8_t csPin);
void begin() const;
uint32_t get();
private:
// register addresses
const uint8_t ADDR_DOR2 = 0x00;
const uint8_t ADDR_DOR1 = 0x01;
const uint8_t ADDR_DOR0 = 0x02;
const uint8_t ADDR_CMR3 = 0x04;
const uint8_t ADDR_CMR2 = 0x05;
const uint8_t ADDR_CMR1 = 0x06;
const uint8_t ADDR_CMR0 = 0x07;
const uint8_t ADDR_OCR2 = 0x08;
const uint8_t ADDR_OCR1 = 0x09;
const uint8_t ADDR_OCR0 = 0x0a;
const uint8_t ADDR_FCR2 = 0x0c;
const uint8_t ADDR_FCR1 = 0x0d;
const uint8_t ADDR_FCR0 = 0x0e;
// bit values
// CMR
const uint8_t CMR_BIAS = 0x80;
const uint8_t CMR_REFO = 0x40;
const uint8_t CMR_DF = 0x20;
const uint8_t CMR_UB = 0x10;
const uint8_t CMR_BD = 0x08;
const uint8_t CMR_MSB = 0x04;
const uint8_t CMR_SDL = 0x02;
const uint8_t CMR_DRDY = 0x01;
// bit values
// INSR
const uint8_t INSR_RW = 0x80;
const uint8_t INSR_MB1 = 0x40;
const uint8_t INSR_MB0 = 0x20;
const uint8_t INSR_ADDR = 0x0f;
uint8_t m_csPin;
void enableCS() const;
void disableCS() const;
void writeCMR (const uint8_t cmr3, const uint8_t cmr2,
const uint8_t cmr1, const uint8_t cmr0) const;
};
#endif // _ads1210_h_