Takashi Matsuoka / MjSi47xx

Library for Silicon Labs Si47xx AM/FM receiver. I tested Si4730 and Si4735.

MjSi47xx.h

Committer:
matsujirushi
Date:
2015-08-30
Revision:
2:d0de9c9c66a8
Parent:
1:c2a5efba43bc
Child:
3:4873fd430c38

File content as of revision 2:d0de9c9c66a8:

#ifndef MJ_SI47XX_H
#define MJ_SI47XX_H

#include "mbed.h"

class MjSi47xx
{
public:
    enum FunctionType {
        FUNCTION_FM,
        FUNCTION_AM,
    };

public:
    MjSi47xx(I2C* i2c, uint8_t address, DigitalOut* rst_n);
    void reset();
    bool powerUp(FunctionType func);
    bool getIntStatus(bool* stcInt);
    bool fmTuneFrequency(float frequency);
    bool fmTuneStatus(float* frequency, uint8_t* rssi = NULL, uint8_t* snr = NULL, uint8_t* multipath = NULL);
    bool amTuneFrequency(float frequency);
    bool amTuneStatus(float* frequency, uint8_t* rssi = NULL, uint8_t* snr = NULL);

private:
    I2C *i2c;
    uint8_t address;
    DigitalOut* rst_n;

    void writeCmd(uint8_t cmd, const uint8_t* argv = NULL, size_t argc = 0);
    void readRes(uint8_t* status, uint8_t *resv = NULL, size_t resc = 0);

};

#endif