//********************************************************************** 
/*
　『拡張ポートのテストデータ送信用（マスター）』
*/
//********************************************************************** 

#define		SW			GPIO.F3
#define		LED			GPIO.F2

#define		ON			1
#define		OFF			0

#define		ACK			1
#define		NO_ACK		0

//********************************************************************** 

void	SwitchONcheck()
{
	while (Button(&GPIO, 3, 1, 0) == 0)
		;
	while (Button(&GPIO, 3, 1, 1) == 0)
		;
}

//********************************************************************** 

void main()
{
	unsigned	short	cnt, dat;
	//
	CMCON0 = 0b00000111;
	ANSEL.ANS0 = 0;
	ANSEL.ANS1 = 0;
	ANSEL.ANS2 = 0;
	ANSEL.ANS3 = 0;
	ADCON0.VCFG = 0;
	TRISIO = 0b00001011;
	OSCCON = 0b01110000;
	//
	for (cnt = 0; cnt < 10; cnt++) {
		LED = ON;
		Delay_ms(50);
		LED = OFF;
		Delay_ms(50);
	}
	//
	Soft_I2C_Config(&GPIO, 4, 5);	// SDA, SCL
	//
	while (1) {
		SwitchONcheck();
		//TRIS_EX = 0b00001111
		Soft_I2C_Start();
		Soft_I2C_Write(0xC0);
		Soft_I2C_Write(0x00);
		Soft_I2C_Write(0b00001111);
		Soft_I2C_Stop();
		//
		SwitchONcheck();
		//PORT_EX = 0x10100000
		Soft_I2C_Start();
		Soft_I2C_Write(0xC0);
		Soft_I2C_Write(0x01);
		Soft_I2C_Write(0b10100000);
		Soft_I2C_Stop();
		//
		SwitchONcheck();
		//PORT_EX = 0x01010000
		Soft_I2C_Start();
		Soft_I2C_Write(0xC0);
		Soft_I2C_Write(0x01);
		Soft_I2C_Write(0b01010000);
		Soft_I2C_Stop();
		//
		SwitchONcheck();
		//
		Soft_I2C_Start();
		Soft_I2C_Write(0xC0);
		Soft_I2C_Write(0x01);
		Soft_I2C_Start();
		Soft_I2C_Write(0xC1);
		dat = Soft_I2C_Read(NO_ACK);
		Soft_I2C_Stop();
		//
		SwitchONcheck();
		//
		Soft_I2C_Start();
		Soft_I2C_Write(0xC0);
		Soft_I2C_Write(0x01);
		Soft_I2C_Write(dat << 4);
		Soft_I2C_Stop();
		//
		for (cnt = 0; cnt < 10; cnt++) {
			LED = ON;
			Delay_ms(50);
			LED = OFF;
			Delay_ms(50);
		}
	}
}

//**********************************************************************