//********************************************************************** 
/*
　★マイクセレクター
　★機能
　　・4本のマイクを切り替えます。
　　・早くＰＴＴ（送信）スイッチを押されたマイクを選択します。 
*/
//********************************************************************** 

#define		MIC_SW1		PORTA.F1
#define		MIC_SW2		PORTA.F2
#define		MIC_SW3		PORTA.F3
#define		MIC_SW4		PORTA.F4

#define		MIC_LED1		PORTB.F7
#define		MIC_LED2		PORTB.F6
#define		MIC_LED3		PORTB.F5
#define		MIC_LED4		PORTB.F4

#define		MIC_SEL1		PORTB.F1
#define		MIC_SEL2		PORTB.F3
#define		MIC_SEL3		PORTB.F0
#define		MIC_SEL4		PORTB.F2

#define		MIC_PTT		PORTA.F0

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

void	main()
{
	TRISA = 0b11111110;
	TRISB = 0b00000000;
	//
	PORTA.F0 = 0;
	PORTB = 0b00000000;
	while(1) {
		if (MIC_SW1 == 0) {
			MIC_SEL1 = 1;
			MIC_LED1 = 1;
			MIC_PTT = 1;
			while(MIC_SW1 == 0)
				;
			MIC_PTT = 0;
			MIC_SEL1 = 0;
			MIC_LED1 = 0;
		}
		if (MIC_SW2 == 0) {
			MIC_SEL2 = 1;
			MIC_LED2 = 1;
			MIC_PTT = 1;
			while(MIC_SW2 == 0)
				;
			MIC_PTT = 0;
			MIC_SEL2 = 0;
			MIC_LED2 = 0;
		}
		if (MIC_SW3 == 0) {
			MIC_SEL3 = 1;
			MIC_LED3 = 1;
			MIC_PTT = 1;
			while(MIC_SW3 == 0)
				;
			MIC_PTT = 0;
			MIC_SEL3 = 0;
			MIC_LED3 = 0;
		}
		if (MIC_SW4 == 0) {
			MIC_SEL4 = 1;
			MIC_LED4 = 1;
			MIC_PTT = 1;
			while(MIC_SW4 == 0)
				;
			MIC_PTT = 0;
			MIC_SEL4 = 0;
			MIC_LED4 = 0;
		}
	}
}

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