312 lines
7.9 KiB
C++
312 lines
7.9 KiB
C++
#include "Display_ST7789.h"
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SPIClass LCDspi(FSPI);
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#define SPI_WRITE(_dat) LCDspi.transfer(_dat)
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#define SPI_WRITE_Word(_dat) LCDspi.transfer16(_dat)
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void SPI_Init()
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{
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LCDspi.begin(EXAMPLE_PIN_NUM_SCLK,EXAMPLE_PIN_NUM_MISO,EXAMPLE_PIN_NUM_MOSI);
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}
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void LCD_WriteCommand(uint8_t Cmd)
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{
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LCDspi.beginTransaction(SPISettings(SPIFreq, MSBFIRST, SPI_MODE0));
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, LOW);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_DC, LOW);
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SPI_WRITE(Cmd);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, HIGH);
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LCDspi.endTransaction();
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}
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void LCD_WriteData(uint8_t Data)
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{
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LCDspi.beginTransaction(SPISettings(SPIFreq, MSBFIRST, SPI_MODE0));
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, LOW);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_DC, HIGH);
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SPI_WRITE(Data);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, HIGH);
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LCDspi.endTransaction();
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}
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void LCD_WriteData_Word(uint16_t Data)
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{
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LCDspi.beginTransaction(SPISettings(SPIFreq, MSBFIRST, SPI_MODE0));
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, LOW);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_DC, HIGH);
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SPI_WRITE_Word(Data);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, HIGH);
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LCDspi.endTransaction();
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}
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void LCD_WriteData_nbyte(uint8_t* SetData,uint8_t* ReadData,uint32_t Size)
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{
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LCDspi.beginTransaction(SPISettings(SPIFreq, MSBFIRST, SPI_MODE0));
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, LOW);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_DC, HIGH);
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LCDspi.transferBytes(SetData, ReadData, Size);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, HIGH);
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LCDspi.endTransaction();
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}
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void LCD_Reset(void)
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{
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, LOW);
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delay(50);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_RST, LOW);
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delay(50);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_RST, HIGH);
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delay(50);
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}
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void LCD_Init(void)
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{
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pinMode(EXAMPLE_PIN_NUM_LCD_CS, OUTPUT);
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pinMode(EXAMPLE_PIN_NUM_LCD_DC, OUTPUT);
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pinMode(EXAMPLE_PIN_NUM_LCD_RST, OUTPUT);
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Backlight_Init();
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SPI_Init();
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// Reset LCD
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digitalWrite(EXAMPLE_PIN_NUM_LCD_RST, LOW);
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delay(10);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_RST, HIGH);
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delay(50);
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//************* JD9853 Start Initial Sequence **********//
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LCD_WriteCommand(0x11); // Sleep Out
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delay(120);
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LCD_WriteCommand(0xDF);
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LCD_WriteData(0x98);
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LCD_WriteData(0x53);
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LCD_WriteCommand(0xB2);
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LCD_WriteData(0x23);
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LCD_WriteCommand(0xB7);
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LCD_WriteData(0x00);
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LCD_WriteData(0x47);
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LCD_WriteData(0x00);
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LCD_WriteData(0x6F);
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LCD_WriteCommand(0xBB);
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LCD_WriteData(0x1C);
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LCD_WriteData(0x1A);
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LCD_WriteData(0x55);
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LCD_WriteData(0x73);
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LCD_WriteData(0x63);
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LCD_WriteData(0xF0);
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LCD_WriteCommand(0xC0);
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LCD_WriteData(0x44);
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LCD_WriteData(0xA4);
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LCD_WriteCommand(0xC1);
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LCD_WriteData(0x16);
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LCD_WriteCommand(0xC3);
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LCD_WriteData(0x7D);
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LCD_WriteData(0x07);
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LCD_WriteData(0x14);
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LCD_WriteData(0x06);
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LCD_WriteData(0xCF);
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LCD_WriteData(0x71);
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LCD_WriteData(0x72);
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LCD_WriteData(0x77);
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LCD_WriteCommand(0xC4);
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LCD_WriteData(0x00);
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LCD_WriteData(0x00);
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LCD_WriteData(0xA0);
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LCD_WriteData(0x79);
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LCD_WriteData(0x0B);
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LCD_WriteData(0x0A);
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LCD_WriteData(0x16);
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LCD_WriteData(0x79);
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LCD_WriteData(0x0B);
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LCD_WriteData(0x0A);
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LCD_WriteData(0x16);
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LCD_WriteData(0x82);
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LCD_WriteCommand(0xC8);
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const uint8_t c8_data[] = {
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0x3F, 0x32, 0x29, 0x29, 0x27, 0x2B, 0x27, 0x28, 0x28, 0x26, 0x25, 0x17, 0x12, 0x0D, 0x04, 0x00,
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0x3F, 0x32, 0x29, 0x29, 0x27, 0x2B, 0x27, 0x28, 0x28, 0x26, 0x25, 0x17, 0x12, 0x0D, 0x04, 0x00
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};
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for (int i = 0; i < 32; i++) {
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LCD_WriteData(c8_data[i]);
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}
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LCD_WriteCommand(0xD0);
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LCD_WriteData(0x04);
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LCD_WriteData(0x06);
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LCD_WriteData(0x6B);
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LCD_WriteData(0x0F);
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LCD_WriteData(0x00);
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LCD_WriteCommand(0xD7);
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LCD_WriteData(0x00);
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LCD_WriteData(0x30);
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LCD_WriteCommand(0xE6);
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LCD_WriteData(0x14);
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LCD_WriteCommand(0xDE);
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LCD_WriteData(0x01);
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LCD_WriteCommand(0xB7);
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LCD_WriteData(0x03);
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LCD_WriteData(0x13);
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LCD_WriteData(0xEF);
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LCD_WriteData(0x35);
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LCD_WriteData(0x35);
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LCD_WriteCommand(0xC1);
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LCD_WriteData(0x14);
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LCD_WriteData(0x15);
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LCD_WriteData(0xC0);
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LCD_WriteCommand(0xC2);
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LCD_WriteData(0x06);
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LCD_WriteData(0x3A);
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LCD_WriteCommand(0xC4);
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LCD_WriteData(0x72);
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LCD_WriteData(0x12);
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LCD_WriteCommand(0xBE);
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LCD_WriteData(0x00);
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LCD_WriteCommand(0xDE);
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LCD_WriteData(0x02);
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LCD_WriteCommand(0xE5);
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LCD_WriteData(0x00);
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LCD_WriteData(0x02);
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LCD_WriteData(0x00);
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LCD_WriteCommand(0xE5);
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LCD_WriteData(0x01);
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LCD_WriteData(0x02);
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LCD_WriteData(0x00);
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LCD_WriteCommand(0xDE);
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LCD_WriteData(0x00);
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LCD_WriteCommand(0x35);
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LCD_WriteData(0x00);
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LCD_WriteCommand(0x3A);
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LCD_WriteData(0x05);
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LCD_WriteCommand(0x2A);
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LCD_WriteData(0x00);
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LCD_WriteData(0x22);
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LCD_WriteData(0x00);
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LCD_WriteData(0xCD);
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LCD_WriteCommand(0x2B);
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LCD_WriteData(0x00);
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LCD_WriteData(0x00);
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LCD_WriteData(0x01);
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LCD_WriteData(0x3F);
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LCD_WriteCommand(0xDE);
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LCD_WriteData(0x02);
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LCD_WriteCommand(0xE5);
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LCD_WriteData(0x00);
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LCD_WriteData(0x02);
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LCD_WriteData(0x00);
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LCD_WriteCommand(0xDE);
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LCD_WriteData(0x00);
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LCD_WriteCommand(0x36); // Rotation control
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if (HORIZONTAL)
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LCD_WriteData(0x00);
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else
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LCD_WriteData(0x70);
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LCD_WriteCommand(0x21); // Display Inversion On
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delay(10);
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LCD_WriteCommand(0x29); // Display On
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}
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/******************************************************************************
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function: Set the cursor position
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parameter :
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Xstart: Start uint16_t x coordinate
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Ystart: Start uint16_t y coordinate
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Xend : End uint16_t coordinates
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Yend : End uint16_t coordinatesen
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******************************************************************************/
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void LCD_SetCursor(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend)
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{
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if (HORIZONTAL) {
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// set the X coordinates
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LCD_WriteCommand(0x2A);
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LCD_WriteData(Xstart >> 8);
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LCD_WriteData(Xstart + Offset_X);
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LCD_WriteData(Xend >> 8);
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LCD_WriteData(Xend + Offset_X);
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// set the Y coordinates
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LCD_WriteCommand(0x2B);
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LCD_WriteData(Ystart >> 8);
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LCD_WriteData(Ystart + Offset_Y);
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LCD_WriteData(Yend >> 8);
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LCD_WriteData(Yend + Offset_Y);
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}
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else {
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// set the X coordinates
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LCD_WriteCommand(0x2A);
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LCD_WriteData(Ystart >> 8);
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LCD_WriteData(Ystart + Offset_Y);
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LCD_WriteData(Yend >> 8);
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LCD_WriteData(Yend + Offset_Y);
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// set the Y coordinates
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LCD_WriteCommand(0x2B);
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LCD_WriteData(Xstart >> 8);
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LCD_WriteData(Xstart + Offset_X);
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LCD_WriteData(Xend >> 8);
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LCD_WriteData(Xend + Offset_X);
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}
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LCD_WriteCommand(0x2C);
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}
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/******************************************************************************
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function: Refresh the image in an area
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parameter :
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Xstart: Start uint16_t x coordinate
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Ystart: Start uint16_t y coordinate
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Xend : End uint16_t coordinates
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Yend : End uint16_t coordinates
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color : Set the color
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******************************************************************************/
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void LCD_addWindow(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend, uint16_t* color)
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{
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uint16_t Show_Width = Xend - Xstart + 1;
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uint16_t Show_Height = Yend - Ystart + 1;
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uint32_t numBytes = Show_Width * Show_Height * sizeof(uint16_t);
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LCD_SetCursor(Xstart, Ystart, Xend, Yend);
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LCDspi.beginTransaction(SPISettings(SPIFreq, MSBFIRST, SPI_MODE0));
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, LOW);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_DC, HIGH);
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LCDspi.writeBytes((uint8_t*)color, numBytes);
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digitalWrite(EXAMPLE_PIN_NUM_LCD_CS, HIGH);
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LCDspi.endTransaction();
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}
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// backlight
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void Backlight_Init(void)
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{
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pinMode(EXAMPLE_PIN_NUM_BK_LIGHT, OUTPUT);
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digitalWrite(EXAMPLE_PIN_NUM_BK_LIGHT, HIGH); // Set backlight to full brightness
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}
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void Set_Backlight(uint8_t Light) //
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{
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pinMode(EXAMPLE_PIN_NUM_BK_LIGHT, OUTPUT);
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if (Light > 0) {
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digitalWrite(EXAMPLE_PIN_NUM_BK_LIGHT, HIGH);
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} else {
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digitalWrite(EXAMPLE_PIN_NUM_BK_LIGHT, LOW);
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}
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}
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