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@caa45040(caa45040)

ILI9163Vを使い、Adafruit_を都合よく改造して表示する。ATM0177B3A(仮想VRAM)(SRAM40K以上)

Last updated at Posted at 2023-12-01

ILI9163Vを使い、Adafruit_を都合よく改造して表示する。(STM32F767)ATM0177B3A

x 過去ログを見よ
x Adafruit_GFX.hをインストール

目的
カラー液晶のテスト

仮想VRAMへの書き込み



    //ドットのカラーの設定
    buffer[ (y << 7) | x ] = color;

o_cop829.jpg

ILI9163V_VRAM1_767_1

ILI9163V_VRAM1_767_1



//ILI9163V_VRAM1_767_1


//ヘッダーファイル
#include <Adafruit_GFX.h>
#include "hh.h"


//定義
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 160 // OLED display height, in pixels
NA_ST7735_P display(SCREEN_WIDTH, SCREEN_HEIGHT);


// ビットマップデータ
uint8_t databytes[8] =
{
  0b01100110,
  0b10101111,
  0b10111111,
  0b11011111,

  0b01111110,
  0b01111110,
  0b00111100,
  0b00011000
};


//初期化
void setup() {

  //ディスプレイの初期化
  display.begin();


  //表示方向
  display.setRotation(0);


  // 画面表示をクリア
  display.clearDisplay();


  //ビットマップの表示
  //display.drawBitmap(0, 0, databytes, 8, 8,  WHITE);
  display.drawBitmap(3, 3, databytes, 8, 8,  RED);


  // テキストサイズを設定
  display.setTextSize(3);
  // テキスト色を設定
  //display.setTextColor(WHITE);
  display.setTextColor(RED);
  // テキストの開始位置を設定
  display.setCursor(20, 20);

  // 1行目に46を表示
  display.println("H-SPI");


  // 画面の左側に長方形(塗りつぶしなし)を描画
  // display.drawRect(左上x, 左上y, 幅, 高さ, 線の色)
  display.drawRect(0, 0, 127, 159, WHITE);

  // 描画バッファの内容を画面に表示
  display.display();

}//setup


//メインループ
void loop() {
}//loop

hh.cpp

hh.cpp



//インクルド
#include "hh.h"
#include <Adafruit_GFX.h>
#include <SPI.h>


//定義
///< No-temp-var swap operation
#define NA_ST7735_P_swap(a, b)        \
  (((a) ^= (b)), ((b) ^= (a)), ((a) ^= (b)))


//GPIOの設定1　開始
#define TFT_CS    10
#define TFT_RST   9
#define TFT_RS    8
#define GPIO_D10(s) digitalWrite(TFT_CS,s)
#define GPIO_D9(s)  digitalWrite(TFT_RST,s)
#define GPIO_D8(s)  digitalWrite(TFT_RS,s)
#define GPIO_CS(y)     GPIO_D10(y)
#define GPIO_RESET(y)  GPIO_D9(y)
#define GPIO_RS(y)     GPIO_D8(y)

/*
  //GPIOの設定2　開始
  //GPIO
  #define GPIO_D14(s)  digitalWrite(14,s)
  #define GPIO_D15(s)  digitalWrite(15,s)
  #define GPIO_D32(s)  digitalWrite(32,s)
  #define GPIO_CS(y)     GPIO_D14(y)
  #define GPIO_RESET(y)  GPIO_D15(y)
  #define GPIO_RS(y)     GPIO_D32(y)
  #define TFT_CS    14
  #define TFT_RST   15
  #define TFT_RS    32
*/

void NA_ST7735_P::GPIO_8BIT(uint8_t s)
{

  SPI.transfer(s);

} //GPIO_8BIT


//コマンドの書き込み
void NA_ST7735_P::LCD_Write_CMD(uint8_t a)
{

  GPIO_CS(0);//CS=0; 12
  GPIO_RS(0); //A0=0; 9
  GPIO_8BIT(a);//P1=a; data SPI SPI
  GPIO_CS(1);//CS=1; 12

} //LCD_Write_CMD


//データ書き込み
void NA_ST7735_P::LCD_Write_Data(uint8_t a)
{

  GPIO_CS(0);//CS=0; 12
  GPIO_RS(1); //A0=1; 9
  GPIO_8BIT(a);//P1=a; data SPI SPI
  GPIO_CS(1);//CS=1; 12

} //LCD_Write_Data


//液晶の初期化処理
void NA_ST7735_P::TXDT144TF_ST7735S_Init(void)
{

  //----------  ST7735S Reset Sequence  --------//

  GPIO_RESET(1);//LCD_RESET=1;
  delay(1); //Delay 1ms

  GPIO_RESET(0);//LCD_RESET=0;
  delay(1); //Delay 1ms

  GPIO_RESET(1);//LCD_RESET=1;
  delay(120); //Delay 120ms

  LCD_Write_CMD(0x01);//SOFTWARE RESET
  delay(50);

  LCD_Write_CMD(0x01);//SOFTWARE RESET
  delay(50);

  LCD_Write_CMD(0x11);//SLEEP OUT
  delay(200);

  LCD_Write_CMD(0x29);//display on
  delay(100);

  LCD_Write_CMD(0x36);//RGB-RGR format
  LCD_Write_Data(0x00);//RGB mode
  delay(100);

  LCD_Write_CMD(0x3a);//Interface pixel format
  LCD_Write_Data(0x55);//16bit mode
  delay(100);

} //TXDT144TF_ST7735S_Init


NA_ST7735_P::NA_ST7735_P(uint8_t w, uint8_t h)
  : Adafruit_GFX(w, h), buffer(NULL)

{
}


//バッファのクリア
NA_ST7735_P::~NA_ST7735_P(void) {
  if (buffer) {
    free(buffer);
    buffer = NULL;
  }
}//~NA_ST7735_P


//初期処理
bool NA_ST7735_P::begin(void) {

  if ((!buffer) && !(buffer = (uint16_t *)malloc(WIDTH * HEIGHT * 2)))
    return false;

  //バッファーのクリア
  clearDisplay();

  //ポートのモード設定
  //アウトプットモード
  pinMode(TFT_CS, OUTPUT);
  pinMode(TFT_RST, OUTPUT);
  pinMode(TFT_RS, OUTPUT);

  //ポートの初期化
  GPIO_CS(1);//CS=1
  GPIO_RESET(1);//RESET=1
  GPIO_RS(0);//RS=0

  // SPIの初期化
  SPI.beginTransaction( SPISettings(16000000, MSBFIRST, SPI_MODE0) );
  //SPI.beginTransaction( SPISettings( 8000000, MSBFIRST, SPI_MODE0) );
  //SPI.beginTransaction( SPISettings( 4000000, MSBFIRST, SPI_MODE0) );
  //SPI.beginTransaction( SPISettings( 2000000, MSBFIRST, SPI_MODE0) );
  //SPI.beginTransaction( SPISettings( 1000000, MSBFIRST, SPI_MODE0) );
  SPI.begin(); // 11 12 13

  delay(500); //0.5秒待つ

  //液晶の初期化処理
  TXDT144TF_ST7735S_Init();

  return true; // Success
}//begin


//点の表示
void NA_ST7735_P::drawPixel(int16_t x, int16_t y, uint16_t color) {
  if ((x >= 0) && (x < width()) && (y >= 0) && (y < height())) {
    // Pixel is in-bounds. Rotate coordinates if needed.
    switch (getRotation()) {
      case 1:
        NA_ST7735_P_swap(x, y);
        x = WIDTH - x - 1;
        break;
      case 2:
        x = WIDTH - x - 1;
        y = HEIGHT - y - 1;
        break;
      case 3:
        NA_ST7735_P_swap(x, y);
        y = HEIGHT - y - 1;
        break;
    }//end switch

    //ドットのカラーの設定
    buffer[ (y << 7) | x ] = color;

  }//if
}//drawPixel


//バッファのクリア
void NA_ST7735_P::clearDisplay(void) {
  memset(buffer, 0, WIDTH * HEIGHT * 2 );
}


bool NA_ST7735_P::getPixel(int16_t x, int16_t y) {
  if ((x >= 0) && (x < width()) && (y >= 0) && (y < height())) {
    // Pixel is in-bounds. Rotate coordinates if needed.
    switch (getRotation()) {
      case 1:
        NA_ST7735_P_swap(x, y);
        x = WIDTH - x - 1;
        break;
      case 2:
        x = WIDTH - x - 1;
        y = HEIGHT - y - 1;
        break;
      case 3:
        NA_ST7735_P_swap(x, y);
        y = HEIGHT - y - 1;
        break;
    }
    return (buffer[ (y << 7) | x ] );
  }
  return false; // Pixel out of bounds
}


uint16_t *NA_ST7735_P::getBuffer(void) {
  return buffer;
}


//画面のリフレッシュ
void NA_ST7735_P::display(void) {

  //画面の書き込み開始
  LCD_Write_CMD(0x2C); //memory write
  delay(2);

  int vg;
  for (int i = 0; i < (HEIGHT * WIDTH); i++) {
    vg = buffer[i];
    //---------------- 1バイト目
    LCD_Write_Data((vg >> 7) & 0xff);
    //---------------- 2バイト目
    LCD_Write_Data(       vg & 0xff);
  }//i

}//display

hh.h

hh.h


#ifndef _NA_ST7735_P_H_
#define _NA_ST7735_P_H_

#include <Adafruit_GFX.h>

#ifndef NO_ADAFRUIT_NA_ST7735_P_COLOR_COMPATIBILITY
#define BLACK NA_ST7735_P_BLACK     ///< Draw 'off' pixels
#define WHITE NA_ST7735_P_WHITE     ///< Draw 'on' pixels
#define RED NA_ST7735_P_RED     ///< Draw 'on' pixels
//#define INVERSE NA_ST7735_P_INVERSE ///< Invert pixels
#endif
/// fit into the SSD1306_ naming scheme
#define NA_ST7735_P_BLACK 0x0000   ///< Draw 'off' pixels
#define NA_ST7735_P_WHITE 0xffff   ///< Draw 'on' pixels
#define NA_ST7735_P_RED 0b1111100000000000 //red

///< Draw 'on' pixels
//#define NA_ST7735_P_INVERSE 2 ///< Invert pixels


class NA_ST7735_P : public Adafruit_GFX {
  public:

    NA_ST7735_P(uint8_t w, uint8_t h);

    ~NA_ST7735_P(void);

    bool begin(void);
    void display(void);
    void clearDisplay(void);
    void drawPixel(int16_t x, int16_t y, uint16_t color);
    bool getPixel(int16_t x, int16_t y);
    uint16_t *getBuffer(void);

    void GPIO_8BIT(uint8_t s);
    void LCD_Write_CMD(uint8_t ww);
    void LCD_Write_Data(uint8_t ii);
    void TXDT144TF_ST7735S_Init(void);


  protected:

    uint16_t *buffer; ///< Buffer data used for display buffer. Allocated when
                      ///< begin method is called.

};

#endif // _NA_ST7735_P_H_
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