mt888.h

Code C for transmit and receive DTMF with MT8888

#ifndef _MT888_H_
#define _MT888_H_

extern void write_data_transmit(unsigned char dat);
extern unsigned char read_data_reg();
extern void write_control_reg(unsigned char value);
extern unsigned char read_status_reg();

extern void initMT8888(void);
extern void setupMT8888(void);
extern void TransmitDTMF(char digit);
extern unsigned char ReceiveDTMF();
extern void ReceiveTone();
#endif