tuner.c

C code for using 8051 to control philiphs I2C FM tuner (use sdcc compiler)

#include <at89x52.h>
#include "i2c.h"
#include "tuner.h"

/* Tuner Section Programming (Write Mode) */
/* |S|ADB(W)|A|DB1|A|DB2|A|CB|A|BB|A|AB|A|P| */
void tuner_write(unsigned char *tuner_data)
{
	unsigned char ack = I2C_NO_ACK;

	I2C_Start();									/* |Start|		*/
	I2C_Send_Addr(TUMER_I2C_ADDRESS, I2C_WRITE);	/* |ADB|W|A|	*/
	I2C_Send_data(tuner_data[0]);					/* |DB1|A|		*/
	I2C_Send_data(tuner_data[1]);					/* |DB2|A|		*/
	I2C_Send_data(tuner_data[2]);					/* |CB|A|		*/
	I2C_Send_data(tuner_data[3]);					/* |BB|A|		*/
	I2C_Send_data(tuner_data[4]);					/* |AB|A|		*/
	I2C_Stop();
}