ゆっくりラズパイ活用講座

#include <SPI.h>

#define PWR 8
#define RS  9
#define CS  10

uint8_t pic[6][128] ={{0,0,0,0,128,192,192,224,224,224,224,224,224,224,224,224,224,96,0,0,0,0,0,0,0,0,0,0,0,0,128,224,224,224,224,224,224,224,224,192,192,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
{0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,31,3,0,0,0,0,0,0,0,0,0,0,224,248,254,255,255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0,60,126,126,231,231,199,199,206,142,140,0,0,3,63,255,252,0,0,240,254,30,62,248,240,0,0,254,255,15,0,0,255,255,255,0,7,7,7,7,255,255,255,7,7,7,7,0,248,252,254,15,7,7,7,7,15,30,28,0,0,0,255,255,255,224,224,224,224,255,255,255,0,0,0,0,0,0,0},
{0,0,0,0,255,255,255,255,255,255,255,255,191,135,128,128,128,128,128,128,128,128,0,0,0,0,7,7,7,7,7,135,199,231,247,251,255,255,255,255,255,255,0,0,0,0,0,0,0,0,12,28,60,56,48,48,49,57,63,31,15,0,0,0,7,63,62,62,63,7,0,0,7,63,62,62,63,7,0,0,0,63,63,63,0,0,0,0,0,63,63,63,0,0,0,0,0,3,15,31,28,56,56,56,56,28,30,14,0,0,0,63,63,63,0,0,0,0,63,63,63,0,0,0,0,0,0,0},
{0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,127,31,3,0,0,128,192,224,240,248,252,254,255,255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0,224,176,24,8,8,8,8,16,48,0,0,0,192,48,16,8,8,8,24,16,96,0,0,0,248,0,0,0,248,8,8,8,8,8,8,8,0,0,0,248,16,96,192,0,0,0,0,0,248,0,0,0,192,48,16,8,8,8,24,16,96,0,0,248,8,8,8,8,8,8,8,0,0,0,0,0,0,0},
{0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,255,239,227,240,248,252,254,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0,96,193,129,3,2,2,6,132,204,120,0,15,112,192,128,0,0,0,0,192,96,0,0,0,255,0,0,0,255,2,2,2,2,2,2,2,0,0,0,255,0,0,0,3,12,24,96,192,255,0,0,15,112,192,128,0,0,0,0,192,96,0,0,255,2,2,2,2,2,2,2,0,0,0,0,0,0,0},
{0,0,0,0,1,3,3,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,3,3,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,1,0,0,0,1,1,1,1,1,1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0},
};

void lcdCmd(uint8_t cmd){
  digitalWrite(RS,LOW);
  digitalWrite(CS,LOW);
  SPI.transfer(cmd);
  digitalWrite(CS,HIGH);
}

void lcdData(uint8_t data){
  digitalWrite(RS,HIGH);
  digitalWrite(CS,LOW);
  SPI.transfer(data);
  digitalWrite(CS,HIGH);
}

void initLCD(){
  lcdCmd(0xAE);           //Display = OFF
  lcdCmd(0xA0);           //ADC = normal
  lcdCmd(0xC8);           //Common output = revers
  lcdCmd(0xA3);           //LCD bias = 1/7

  //内部レギュレータON
  lcdCmd(0x2C);           
  delay(2);
  lcdCmd(0x2E);
  delay(2);
  lcdCmd(0x2F);

  //コントラスト設定
  lcdCmd(0x23);           //Vo voltage regulator internal resistor ratio set
  lcdCmd(0x81);           //Electronic volume mode set
  lcdCmd(0x1C);           //Electronic volume register set

  //表示設定
  lcdCmd(0xA4);           //Display all point ON/OFF = normal
  lcdCmd(0x40);           //Display start line = 0
  lcdCmd(0xA6);           //Display normal/revers = normal
  lcdCmd(0xAF);           //Dsiplay = ON
}

void setup() {
  pinMode(PWR,OUTPUT);    
  pinMode(RS,OUTPUT);
  pinMode(CS,OUTPUT);
  digitalWrite(PWR,HIGH);
  digitalWrite(CS,HIGH);
  
  SPI.begin();
  SPI.setBitOrder(MSBFIRST);
  SPI.setClockDivider(SPI_CLOCK_DIV2);
  SPI.setDataMode(SPI_MODE3);

  initLCD();              //LCD初期化
}

void loop() {
  for(int page=0;page<6;page++){
    lcdCmd(0xb0+page);        //ページアドレス選択
    lcdCmd(0x10);             //カラムアドレス上位4bit = 0000
    lcdCmd(0x00);             //カラムアドレス下位4bit = 0000
    for(int col=0;col<128;col++){
      lcdData(pic[page][col]);
    }
  }
  delay(1000);
}