YMF825 sample code to change the pin. Because of the shield, the pins No9 and No10 could not be used, so I changed the pins.
Reference: yamaha-webmusic/ymf825board
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| /* | |
| RST_N- Pin9 -> Pin3 | |
| SS - Pin10 -> Pin2 | |
| MOSI - Pin11 | |
| MISO - Pin12 | |
| SCK - Pin13 | |
| */ | |
| #include <SPI.h> | |
| //0 :5V 1:3.3V | |
| #define OUTPUT_power 0 | |
| void set_ss_pin(int val) { | |
| //ポートB (デジタルピン8から13) | |
| //ポートBの３番目は10 | |
| //B00000100 は 論理積で4 | |
| //なのでPORTB |= (4); | |
| //PORTDはデジタルピンの０〜７ | |
| //Pin2はPORTDの３つ目 | |
| // PORTD | (4); | |
| if(val ==HIGH){ | |
| //PORTB |= (4); | |
| PORTD = PORTD | (4); | |
| }else{ | |
| PORTD &= ~(4); | |
| } | |
| } | |
| void set_rst_pin(int val) { | |
| //PORTDはデジタルピンの０〜７ | |
| //Pin2はPORTDの4つ目 | |
| //B00001000 は 論理積で8 | |
| // PORTD | (8); | |
| if(val ==HIGH) PORTD |= (8); | |
| else PORTD &= ~(8); | |
| } | |
| void if_write(char addr,unsigned char* data,char num){ | |
| char i; | |
| char snd; | |
| set_ss_pin(LOW); | |
| SPI.transfer(addr); | |
| for(i=0;i<num;i++){ | |
| SPI.transfer(data[i]); | |
| } | |
| set_ss_pin(HIGH); | |
| } | |
| void if_s_write(char addr,unsigned char data){ | |
| if_write(addr,&data,1); | |
| } | |
| unsigned char if_s_read(char addr){ | |
| unsigned char rcv; | |
| set_ss_pin(LOW); | |
| SPI.transfer(0x80|addr); | |
| rcv = SPI.transfer(0x00); | |
| set_ss_pin(HIGH); | |
| return rcv; | |
| } | |
| void init_825(void) { | |
| set_rst_pin(LOW); | |
| delay(1); | |
| set_rst_pin(HIGH); | |
| if_s_write( 0x1D, OUTPUT_power ); | |
| if_s_write( 0x02, 0x0E ); | |
| delay(1); | |
| if_s_write( 0x00, 0x01 );//CLKEN | |
| if_s_write( 0x01, 0x00 ); //AKRST | |
| if_s_write( 0x1A, 0xA3 ); | |
| delay(1); | |
| if_s_write( 0x1A, 0x00 ); | |
| delay(30); | |
| if_s_write( 0x02, 0x04 );//AP1,AP3 | |
| delay(1); | |
| if_s_write( 0x02, 0x00 ); | |
| //add | |
| if_s_write( 0x19, 0x20 );//MASTER VOL | |
| if_s_write( 0x1B, 0x3F );//interpolation | |
| if_s_write( 0x14, 0x00 );//interpolation | |
| if_s_write( 0x03, 0x01 );//Analog Gain | |
| if_s_write( 0x08, 0xF6 ); | |
| delay(21); | |
| if_s_write( 0x08, 0x00 ); | |
| if_s_write( 0x09, 0xF8 ); | |
| if_s_write( 0x0A, 0x00 ); | |
| if_s_write( 0x17, 0x40 );//MS_S | |
| if_s_write( 0x18, 0x00 ); | |
| } | |
| void set_tone(void){ | |
| unsigned char tone_data[35] ={ | |
| 0x81,//header | |
| //T_ADR 0 | |
| 0x01,0x85, | |
| 0x00,0x7F,0xF4,0xBB,0x00,0x10,0x40, | |
| 0x00,0xAF,0xA0,0x0E,0x03,0x10,0x40, | |
| 0x00,0x2F,0xF3,0x9B,0x00,0x20,0x41, | |
| 0x00,0xAF,0xA0,0x0E,0x01,0x10,0x40, | |
| 0x80,0x03,0x81,0x80, | |
| }; | |
| if_s_write( 0x08, 0xF6 ); | |
| delay(1); | |
| if_s_write( 0x08, 0x00 ); | |
| if_write( 0x07, &tone_data[0], 35 );//write to FIFO | |
| } | |
| void set_ch(void){ | |
| if_s_write( 0x0F, 0x30 );// keyon = 0 | |
| if_s_write( 0x10, 0x71 );// chvol | |
| if_s_write( 0x11, 0x00 );// XVB | |
| if_s_write( 0x12, 0x08 );// FRAC | |
| if_s_write( 0x13, 0x00 );// FRAC | |
| } | |
| void keyon(unsigned char fnumh, unsigned char fnuml){ | |
| if_s_write( 0x0B, 0x00 );//voice num | |
| if_s_write( 0x0C, 0x54 );//vovol | |
| if_s_write( 0x0D, fnumh );//fnum | |
| if_s_write( 0x0E, fnuml );//fnum | |
| if_s_write( 0x0F, 0x40 );//keyon = 1 | |
| } | |
| void keyoff(void){ | |
| if_s_write( 0x0F, 0x00 );//keyon = 0 | |
| } | |
| void setup() { | |
| // put your setup code here, to run once: | |
| pinMode(2,OUTPUT); | |
| pinMode(9,OUTPUT); | |
| pinMode(10,OUTPUT); | |
| set_ss_pin(HIGH); | |
| SPI.setBitOrder(MSBFIRST); | |
| SPI.setClockDivider(SPI_CLOCK_DIV8); | |
| SPI.setDataMode(SPI_MODE0); | |
| SPI.begin(); | |
| init_825(); | |
| set_tone(); | |
| set_ch(); | |
| } | |
| void loop() { | |
| // put your main code here, to run repeatedly: | |
| keyon(0x14,0x65); | |
| delay(500); | |
| keyoff(); | |
| delay(200); | |
| keyon(0x1c,0x11); | |
| delay(500); | |
| keyoff(); | |
| delay(200); | |
| keyon(0x1c,0x42); | |
| delay(500); | |
| keyoff(); | |
| delay(200); | |
| keyon(0x1c,0x5d); | |
| delay(500); | |
| keyoff(); | |
| delay(200); | |
| keyon(0x24,0x17); | |
| delay(500); | |
| keyoff(); | |
| delay(200); | |
| } |