519 lines
12 KiB
C++
519 lines
12 KiB
C++
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#include <Arduino.h>
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#include <SPI.h>
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#include "MultiLCD.h"
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/* Pins
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D4 : RESET
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D5 : CS
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D6 : D/C
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D7 : LED
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D11 : MOSI
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D12 : MISO
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D13 : SCK
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*/
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#define PIN_RESET 4
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#define PIN_CS 5
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#define PIN_DC 6
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#define PIN_LED 7
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//Basic Colors
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#define RED 0xf800
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#define GREEN 0x07e0
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#define BLUE 0x001f
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#define BLACK 0x0000
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#define YELLOW 0xffe0
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#define WHITE 0xffff
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//Other Colors
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#define CYAN 0x07ff
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#define BRIGHT_RED 0xf810
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#define GRAY1 0x8410
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#define GRAY2 0x4208
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//TFT resolution 240*320
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#define MIN_X 0
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#define MIN_Y 0
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#define MAX_X 239
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#define MAX_Y 319
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#define TFT_CS_LOW digitalWrite(PIN_CS, LOW)
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#define TFT_CS_HIGH digitalWrite(PIN_CS, HIGH)
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#define TFT_DC_LOW digitalWrite(PIN_DC, LOW)
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#define TFT_DC_HIGH digitalWrite(PIN_DC, HIGH)
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#define TFT_RST_OFF digitalWrite(PIN_RESET, HIGH)
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#define TFT_RST_ON digitalWrite(PIN_RESET, LOW)
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#define YP A2 // must be an analog pin, use "An" notation!
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#define XM A1 // must be an analog pin, use "An" notation!
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#define YM 14 // can be a digital pin, this is A0
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#define XP 17 // can be a digital pin, this is A3
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#define TS_MINX 116*2
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#define TS_MAXX 890*2
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#define TS_MINY 83*2
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#define TS_MAXY 913*2
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void LCD_ILI9341::sendCMD(uint8_t index)
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{
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TFT_DC_LOW;
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TFT_CS_LOW;
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SPI.transfer(index);
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TFT_CS_HIGH;
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}
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void LCD_ILI9341::WRITE_DATA(uint8_t data)
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{
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TFT_DC_HIGH;
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TFT_CS_LOW;
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SPI.transfer(data);
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TFT_CS_HIGH;
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}
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void LCD_ILI9341::sendData(uint16_t data)
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{
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uint8_t data1 = data>>8;
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uint8_t data2 = data&0xff;
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TFT_DC_HIGH;
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TFT_CS_LOW;
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SPI.transfer(data1);
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SPI.transfer(data2);
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TFT_CS_HIGH;
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}
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void LCD_ILI9341::WRITE_Package(uint16_t *data, uint8_t howmany)
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{
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uint16_t data1 = 0;
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uint8_t data2 = 0;
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TFT_DC_HIGH;
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TFT_CS_LOW;
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uint8_t count=0;
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for(count=0;count<howmany;count++)
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{
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data1 = data[count]>>8;
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data2 = data[count]&0xff;
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SPI.transfer(data1);
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SPI.transfer(data2);
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}
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TFT_CS_HIGH;
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}
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uint8_t LCD_ILI9341::Read_Register(uint8_t Addr, uint8_t xParameter)
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{
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uint8_t data=0;
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sendCMD(0xd9); /* ext command */
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WRITE_DATA(0x10+xParameter); /* 0x11 is the first Parameter */
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TFT_DC_LOW;
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TFT_CS_LOW;
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SPI.transfer(Addr);
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TFT_DC_HIGH;
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data = SPI.transfer(0);
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TFT_CS_HIGH;
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return data;
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}
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void LCD_ILI9341::begin (void)
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{
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pinMode(PIN_CS, OUTPUT);
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pinMode(PIN_DC, OUTPUT);
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pinMode(PIN_LED, OUTPUT);
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pinMode(PIN_RESET, OUTPUT);
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SPI.begin();
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TFT_CS_HIGH;
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TFT_DC_HIGH;
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uint8_t i=0, TFTDriver=0;
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TFT_RST_ON;
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delay(10);
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TFT_RST_OFF;
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for(i=0;i<3;i++)
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{
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TFTDriver = readID();
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}
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sendCMD(0xCB);
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WRITE_DATA(0x39);
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WRITE_DATA(0x2C);
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WRITE_DATA(0x00);
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WRITE_DATA(0x34);
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WRITE_DATA(0x02);
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sendCMD(0xCF);
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WRITE_DATA(0x00);
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WRITE_DATA(0XC1);
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WRITE_DATA(0X30);
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sendCMD(0xE8);
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WRITE_DATA(0x85);
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WRITE_DATA(0x00);
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WRITE_DATA(0x78);
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sendCMD(0xEA);
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WRITE_DATA(0x00);
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WRITE_DATA(0x00);
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sendCMD(0xED);
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WRITE_DATA(0x64);
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WRITE_DATA(0x03);
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WRITE_DATA(0X12);
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WRITE_DATA(0X81);
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sendCMD(0xF7);
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WRITE_DATA(0x20);
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sendCMD(0xC0); //Power control
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WRITE_DATA(0x23); //VRH[5:0]
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sendCMD(0xC1); //Power control
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WRITE_DATA(0x10); //SAP[2:0];BT[3:0]
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sendCMD(0xC5); //VCM control
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WRITE_DATA(0x3e); //Contrast
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WRITE_DATA(0x28);
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sendCMD(0xC7); //VCM control2
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WRITE_DATA(0x86); //--
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sendCMD(0x36); // Memory Access Control
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WRITE_DATA(0x48); //C8
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sendCMD(0x3A);
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WRITE_DATA(0x55);
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sendCMD(0xB1);
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WRITE_DATA(0x00);
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WRITE_DATA(0x18);
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sendCMD(0xB6); // Display Function Control
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WRITE_DATA(0x08);
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WRITE_DATA(0x82);
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WRITE_DATA(0x27);
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sendCMD(0xF2); // 3Gamma Function Disable
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WRITE_DATA(0x00);
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sendCMD(0x26); //Gamma curve selected
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WRITE_DATA(0x01);
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sendCMD(0xE0); //Set Gamma
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WRITE_DATA(0x0F);
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WRITE_DATA(0x31);
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WRITE_DATA(0x2B);
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WRITE_DATA(0x0C);
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WRITE_DATA(0x0E);
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WRITE_DATA(0x08);
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WRITE_DATA(0x4E);
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WRITE_DATA(0xF1);
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WRITE_DATA(0x37);
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WRITE_DATA(0x07);
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WRITE_DATA(0x10);
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WRITE_DATA(0x03);
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WRITE_DATA(0x0E);
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WRITE_DATA(0x09);
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WRITE_DATA(0x00);
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sendCMD(0XE1); //Set Gamma
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WRITE_DATA(0x00);
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WRITE_DATA(0x0E);
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WRITE_DATA(0x14);
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WRITE_DATA(0x03);
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WRITE_DATA(0x11);
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WRITE_DATA(0x07);
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WRITE_DATA(0x31);
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WRITE_DATA(0xC1);
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WRITE_DATA(0x48);
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WRITE_DATA(0x08);
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WRITE_DATA(0x0F);
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WRITE_DATA(0x0C);
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WRITE_DATA(0x31);
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WRITE_DATA(0x36);
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WRITE_DATA(0x0F);
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sendCMD(0x11); //Exit Sleep
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delay(120);
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sendCMD(0x29); //Display on
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sendCMD(0x2c);
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clear();
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backlight(true);
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setTextColor(0xffff);
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SetBGColor(0);
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}
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uint8_t LCD_ILI9341::readID(void)
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{
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uint8_t i=0;
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uint8_t data[3] ;
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uint8_t ID[3] = {0x00, 0x93, 0x41};
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uint8_t ToF=1;
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for(i=0;i<3;i++)
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{
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data[i]=Read_Register(0xd3,i+1);
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if(data[i] != ID[i])
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{
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ToF=0;
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}
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}
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if(!ToF) /* data!=ID */
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{
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#if 0
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Serial.print("Read TFT ID failed, ID should be 0x09341, but read ID = 0x");
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for(i=0;i<3;i++)
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{
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Serial.print(data[i],HEX);
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}
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Serial.println();
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#endif
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}
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return ToF;
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}
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void LCD_ILI9341::setCol(uint16_t StartCol,uint16_t EndCol)
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{
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sendCMD(0x2A); /* Column Command address */
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sendData(StartCol);
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sendData(EndCol);
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}
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void LCD_ILI9341::setPage(uint16_t StartPage,uint16_t EndPage)
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{
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sendCMD(0x2B); /* Column Command address */
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sendData(StartPage);
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sendData(EndPage);
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}
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void LCD_ILI9341::fill(uint16_t x0, uint16_t x1, uint16_t y0, uint16_t y1, uint16_t color)
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{
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uint8_t Hcolor = color>>8;
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uint8_t Lcolor = color&0xff;
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setCol(239 - y1, 239 - y0);
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setPage(x0, x1);
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sendCMD(0x2c); /* start to write to display ra */
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/* m */
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TFT_DC_HIGH;
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TFT_CS_LOW;
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for(uint16_t n = (x1-x0+1) * (y1-y0+1); n > 0; n--)
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{
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SPI.transfer(Hcolor);
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SPI.transfer(Lcolor);
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}
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TFT_CS_HIGH;
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}
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void LCD_ILI9341::clear(void)
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{
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setCol(0, 239);
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setPage(0, 319);
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sendCMD(0x2c); /* start to write to display ra */
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/* m */
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TFT_DC_HIGH;
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TFT_CS_LOW;
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for(uint16_t i=0; i<38400; i++)
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{
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SPI.transfer(0);
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SPI.transfer(0);
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SPI.transfer(0);
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SPI.transfer(0);
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}
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TFT_CS_HIGH;
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m_x = 0;
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m_y = 0;
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}
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void LCD_ILI9341::setXY(uint16_t x0, uint16_t x1, uint16_t y0, uint16_t y1)
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{
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setCol(239 - x1, 239 - x0);
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setPage(y0, y1);
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sendCMD(0x2c);
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}
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void LCD_ILI9341::setPixel(uint16_t poX, uint16_t poY,uint16_t color)
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{
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setXY(poY, poY, poX, poX);
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sendData(color);
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}
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void LCD_ILI9341::backlight(bool on)
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{
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digitalWrite(PIN_LED, on);
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}
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void LCD_ILI9341::clearPixels(uint16_t pixels)
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{
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TFT_DC_HIGH;
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TFT_CS_LOW;
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for(uint16_t i = 0; i < pixels; i++)
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{
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SPI.transfer(0);
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SPI.transfer(0);
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}
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TFT_CS_HIGH;
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}
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void LCD_ILI9341::sendPixelData(byte d)
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{
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for (byte j = 0; j < 8; j++, d <<= 1) {
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if (d & 0x80) {
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SPI.transfer(m_color[1][1]);
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SPI.transfer(m_color[1][0]);
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} else {
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SPI.transfer(m_color[0][1]);
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SPI.transfer(m_color[0][0]);
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}
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}
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}
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size_t LCD_ILI9341::write(uint8_t c)
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{
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if (c == '\n') {
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m_y += (m_font + 1) << 3;
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return 0;
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} else if (c == '\r') {
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m_x = 0;
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return 0;
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}
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#ifndef MEMORY_SAVING
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if (m_font == FONT_SIZE_SMALL) {
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#endif
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setXY(m_y, m_y + 7, m_x, m_x + 4);
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m_x += 6;
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if (m_x >= 320) {
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m_y += 8;
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m_x = 0;
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if (m_y >= 240) m_y = 0;
|
||
|
|
}
|
||
|
|
if (c > 0x20 && c < 0x7f) {
|
||
|
|
byte pgm_buffer[5];
|
||
|
|
memcpy_P(pgm_buffer, &font5x8[c - 0x21], 5);
|
||
|
|
TFT_DC_HIGH;
|
||
|
|
TFT_CS_LOW;
|
||
|
|
for (byte i = 0; i < 5; i++) {
|
||
|
|
sendPixelData(pgm_buffer[i]);
|
||
|
|
}
|
||
|
|
TFT_CS_HIGH;
|
||
|
|
} else {
|
||
|
|
clearPixels(5 * 8);
|
||
|
|
}
|
||
|
|
#ifndef MEMORY_SAVING
|
||
|
|
} else {
|
||
|
|
setXY(m_y, m_y + 15, m_x, m_x + 7);
|
||
|
|
m_x += 9;
|
||
|
|
if (m_x >= 320) {
|
||
|
|
m_y += 16;
|
||
|
|
m_x = 0;
|
||
|
|
if (m_y >= 240) m_y = 0;
|
||
|
|
}
|
||
|
|
if (c > 0x20 && c < 0x7f) {
|
||
|
|
byte pgm_buffer[16];
|
||
|
|
memcpy_P(pgm_buffer, &font8x16_terminal[c - 0x21], 16);
|
||
|
|
TFT_DC_HIGH;
|
||
|
|
TFT_CS_LOW;
|
||
|
|
for (byte i = 0; i < 16; i += 2) {
|
||
|
|
sendPixelData(pgm_buffer[i + 1]);
|
||
|
|
sendPixelData(pgm_buffer[i]);
|
||
|
|
}
|
||
|
|
TFT_CS_HIGH;
|
||
|
|
} else {
|
||
|
|
clearPixels(8 * 16);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void LCD_ILI9341::writeDigit(byte n)
|
||
|
|
{
|
||
|
|
if (m_font == FONT_SIZE_LARGE) {
|
||
|
|
setXY(m_y, m_y + 15, m_x, m_x + 15);
|
||
|
|
m_x += 16;
|
||
|
|
if (n <= 9) {
|
||
|
|
byte pgm_buffer[32];
|
||
|
|
memcpy_P(pgm_buffer, &digits16x16[n], sizeof(pgm_buffer));
|
||
|
|
TFT_DC_HIGH;
|
||
|
|
TFT_CS_LOW;
|
||
|
|
for (byte i = 0; i < 16; i++) {
|
||
|
|
sendPixelData(pgm_buffer[16 + i]);
|
||
|
|
sendPixelData(pgm_buffer[i]);
|
||
|
|
}
|
||
|
|
TFT_CS_HIGH;
|
||
|
|
} else {
|
||
|
|
clearPixels(16 * 16);
|
||
|
|
}
|
||
|
|
} else if (m_font == FONT_SIZE_XLARGE) {
|
||
|
|
setXY(m_y, m_y + 23, m_x, m_x + 15);
|
||
|
|
m_x += 17;
|
||
|
|
if (n <= 9) {
|
||
|
|
byte pgm_buffer[48];
|
||
|
|
memcpy_P(pgm_buffer, &digits16x24[n], sizeof(pgm_buffer));
|
||
|
|
TFT_DC_HIGH;
|
||
|
|
TFT_CS_LOW;
|
||
|
|
for (int i = 0; i < 48; i += 3) {
|
||
|
|
sendPixelData(pgm_buffer[i + 2]);
|
||
|
|
sendPixelData(pgm_buffer[i + 1]);
|
||
|
|
sendPixelData(pgm_buffer[i]);
|
||
|
|
}
|
||
|
|
TFT_CS_HIGH;
|
||
|
|
} else {
|
||
|
|
clearPixels(16 * 24);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
write(n <= 9 ? ('0' + n) : ' ');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void LCD_ILI9341::draw(const PROGMEM byte* buffer, uint16_t width, uint16_t height)
|
||
|
|
{
|
||
|
|
byte rows = height >> 3;
|
||
|
|
setXY(m_y, m_y + height - 1, m_x, m_x + width - 1);
|
||
|
|
uint16_t i = width - 1;
|
||
|
|
TFT_DC_HIGH;
|
||
|
|
TFT_CS_LOW;
|
||
|
|
for (uint16_t i = 0; i < width; i++) {
|
||
|
|
for (int8_t h = rows - 1; h >= 0; h--) {
|
||
|
|
byte d = pgm_read_byte(buffer + i + width * h);
|
||
|
|
sendPixelData(d);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
TFT_CS_HIGH;
|
||
|
|
m_x += width;
|
||
|
|
}
|
||
|
|
|
||
|
|
void LCD_ILI9341::draw2x(const PROGMEM byte* buffer, byte width, byte height)
|
||
|
|
{
|
||
|
|
byte rows = height >> 3;
|
||
|
|
setXY(m_y, m_y + height * 2 - 1, m_x, m_x + width * 2 - 1);
|
||
|
|
uint16_t i = width - 1;
|
||
|
|
uint16_t w = width << 1;
|
||
|
|
TFT_DC_HIGH;
|
||
|
|
TFT_CS_LOW;
|
||
|
|
for (uint16_t i = 0; i < w; i++) {
|
||
|
|
for (int8_t h = rows - 1; h >= 0; h--) {
|
||
|
|
byte d = pgm_read_byte(buffer + (i >> 1) + width * h);
|
||
|
|
for (byte j = 0; j < 8; j++, d <<= 1) {
|
||
|
|
if (d & 0x80) {
|
||
|
|
SPI.transfer(m_color[1][1]);
|
||
|
|
SPI.transfer(m_color[1][0]);
|
||
|
|
SPI.transfer(m_color[1][1]);
|
||
|
|
SPI.transfer(m_color[1][0]);
|
||
|
|
} else {
|
||
|
|
SPI.transfer(m_color[0][1]);
|
||
|
|
SPI.transfer(m_color[0][0]);
|
||
|
|
SPI.transfer(m_color[0][1]);
|
||
|
|
SPI.transfer(m_color[0][0]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
TFT_CS_HIGH;
|
||
|
|
m_x += (width << 1);
|
||
|
|
}
|