// 正弦波(値:0〜255, データ数:400)
PROGMEM prog_uint8_t W[]={0,0,0,0,0,0,1,1,1,1,2,2,2,3,3,4,4,5,5,6,6,7,8,8,9,10,11,11,12,13,14,15,16,17,18,19,20,21,22,23,24,26,27,28,29,31,32,33,35,36,37,39,40,42,43,45,46,48,50,51,53,54,56,58,59,61,63,65,66,68,70,72,74,75,77,79,81,83,85,87,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,129,131,133,135,137,139,141,143,145,147,149,151,153,155,157,159,161,163,165,167,168,170,172,174,176,178,180,181,183,185,187,189,190,192,194,196,197,199,201,202,204,205,207,209,210,212,213,215,216,218,219,220,222,223,224,226,227,228,229,231,232,233,234,235,236,237,238,239,240,241,242,243,244,244,245,246,247,247,248,249,249,250,250,251,251,252,252,253,253,253,254,254,254,254,255,255,255,255,255,255,255,255,255,255,255,254,254,254,254,253,253,253,252,252,251,251,250,250,249,249,248,247,247,246,245,244,244,243,242,241,240,239,238,237,236,235,234,233,232,231,229,228,227,226,224,223,222,220,219,218,216,215,213,212,210,209,207,205,204,202,201,199,197,196,194,192,190,189,187,185,183,181,180,178,176,174,172,170,168,167,165,163,161,159,157,155,153,151,149,147,145,143,141,139,137,135,133,131,129,128,126,124,122,120,118,116,114,112,110,108,106,104,102,100,98,96,94,92,90,88,87,85,83,81,79,77,75,74,72,70,68,66,65,63,61,59,58,56,54,53,51,50,48,46,45,43,42,40,39,37,36,35,33,32,31,29,28,27,26,24,23,22,21,20,19,18,17,16,15,14,13,12,11,11,10,9,8,8,7,6,6,5,5,4,4,3,3,2,2,2,1,1,1,1,0,0,0,0,0};

#define lcdadr(addr)	lcdctrl(0x80|addr)

void delayus(uint16_t c){	for(TCNT0=0;TCNT0<c/2;);}	// c=0..510
void delayms(uint16_t c){	for(uint8_t i=0;i<c;i++){	delayus(500);delayus(500);}}
void lcdput0(char c){					// control
	PORTC=(c&0x0f)|0x10;delayus(160);	// RS=0, E=1
	PORTC&=0xef;		delayus(160);	// RS=0, E=0
}
void lcdput1(char c){					// data
	PORTC=(c&0x0f)|0x30;delayus(50);	// RS=1, E=1
	PORTC&=0xef;		delayus(50);	// RS=1, E=0
}
void lcdput(char c){	lcdput1(c>>4);	lcdput1(c);	}
void lcdputs(const prog_char *s){
	char c;
	while((c=pgm_read_byte(s++))!=0)	lcdput(c);
}
void lcdctrl(char c){	lcdput0(c>>4);	lcdput0(c);	}
void lcdclear(){lcdput0(0x00);	lcdput0(0x01);	delayms(2);}
#define lcdstr(a,s) {lcdadr(a);lcdputs(PSTR(s));}

void lcdfbk(){
	uint16_t num;
	uint8_t m;
	if(MODE==DAF){lcdstr(0x00,"DAF･DVF  ");	lcdstr(0x43,"ms");	num=Pmax/10;}
	else if(MODE==RAF){ lcdstr(0x00,"RAF･RVF  ");lcdstr(0x43,"% ");	num=R;}
	else if(MODE==FAF){ lcdstr(0x00,"FAF      ");lcdstr(0x43,"Hz");	num=Fa;}
	else if(MODE==DTF1){lcdstr(0x00,"DTF  50Hz");lcdstr(0x43,"ms");	num=Pmax*20;}
	else if(MODE==DTF2){lcdstr(0x00,"DTF 100Hz");lcdstr(0x43,"ms");	num=Pmax*20;}
	else if(MODE==DTF3){lcdstr(0x00,"DTF 200Hz");lcdstr(0x43,"ms");	num=Pmax*20;}
	lcdadr(0x40);
	lcdput((num>=100)?(0x30|(num/100)):' ');
	lcdput((num>=100||(num%100)/10>0)?(0x30|(num%100)/10):' ');
	lcdput(0x30|(num%10));
}
void lcddb(uint8_t num){				// num: 0..13
	lcdstr(0x0c,"ATT");
	if(num==13){	lcdstr(0x4a,"  0dB");	}
	else{
		num=pgm_read_byte(&dB[num]);
		if(num==255){	lcdstr(0x4a,"  ---"); 	}
		else{
			lcdadr(0x4a);	lcdput('-');
			lcdput((num/10>0)?(0x30|num/10):' ');
			lcdput(0x30|(num%10));	lcdput('d');lcdput('B');
		}
	}
}
void lcdinit(){
	delayms(15);
	lcdput0(0x03);	delayms(5);	lcdput0(0x03);	delayms(1);	lcdput0(0x03);
	lcdput0(0x02);
	lcdctrl(0x2c);				// N=1, F=1
	lcdctrl(0x0c);				// D=1, C=0, B=0
	lcdctrl(0x06);				// I/D=1, S=0
	lcdclear();
}
void daout(int16_t c){
	if(mute>0)	mute--;
	else{
		if(c<0)			c=0;
		else if(c>=256)	c=255;
		PORTB=0x06;				// SS=0
		SPDR=(c>>4)|0x30;	while((SPSR&0x80)==0);
		SPDR=(c<<4);		while((SPSR&0x80)==0);
		PORTB=0x07;				// SS=1
	}
}
void daout10(int16_t c){		// 000000dd dddddddd
	uint16_t u;
	if(mute>0)	mute--;
	else{
		if(c<0)				c=0;
		else if(c>=1024)	c=1023;
		OCR5B=c;
		if(c>=(512-NG)&&c<=(512+NG))	OCR5A=1023;
		else if(c>=512)					OCR5A=((1023-c)<<1);
		else							OCR5A=(c<<1);
		PORTB=0x06;				// SS=0
		SPDR=(c>>6)|0x0030;	while((SPSR&0x80)==0);
		SPDR=(c<<2)&0x00ff;	while((SPSR&0x80)==0);
		PORTB=0x07;				// SS=1
	}
}
void daout12(int16_t c){		// 0000dddd dddddddd
	if(mute>0)	mute--;
	else{
		if(c<0)				c=0;
		else if(c>=4096)	c=4095;
		PORTB=0x06;				// SS=0
		SPDR=(c>>8)|0x30;	while((SPSR&0x80)==0);
		SPDR=c;				while((SPSR&0x80)==0);
		PORTB=0x07;				// SS=1
	}
}
void dbout(uint16_t c){
	PORTB=0x06;					// SS=0
	SPDR=(c>>8)|0xb0;	while((SPSR&0x80)==0);
	SPDR=(c&0x00ff);	while((SPSR&0x80)==0);
	PORTB=0x07;					// SS=1
}