A library for 3.5 inch RPi LCD (A) 320x480 display from Waveshare, for LCD (B) comment line 61 and uncomment line 62 in tft.cpp
Create new fonts with MikroElektronika GLCD Font Creator and insert the new font in fonts.h
You can also display bitmaps, touchpadcontroller XPT2046 is included
Examplecodes:
#include "Arduino.h"
#include "ili9486.h"
// GPIOs for SPI
#define SPI_MOSI 23
#define SPI_MISO 19
#define SPI_SCK 18
// GPIOs for TFT/TP
#define TFT_CS 22
#define TFT_DC 5
#define TP_CS 13
#define TP_IRQ 12
TFT tft;
//-------------------------------------------------------------------------------------
void setup() {
tft.begin(TFT_CS, TFT_DC, VSPI, SPI_MOSI, SPI_MISO, SPI_SCK);
tft.setRotation(1); //landscape
tft.fillScreen(TFT_BLACK);
tft.setFont(Times_New_Roman66x53);
tft.setTextColor(TFT_CYAN);
tft.setCursor(20,30);
tft.print("Hello World!");
}
//-------------------------------------------------------------------------------------
void loop(void) {
for(uint8_t rotation=0; rotation<4; rotation++) {
tft.setRotation(rotation);
tft.fillScreen(TFT_BLACK);
tft.setCursor(20,30);
tft.print("Hello World!");
delay(3000);
}
}
//-------------------------------------------------------------------------------------
Display a bitmap or jpg file, thanks to Bodmer for his great work - JPEG Decoder Library https://github.com/Bodmer/JPEGDecoder
#include "Arduino.h"
#include "SPI.h"
#include "SD_MMC.h"
#include "FS.h"
#include "ili9486.h"
// GPIOs for SPI
#define SPI_MOSI 23
#define SPI_MISO 19
#define SPI_SCK 18
// GPIOs for TFT/TP
#define TFT_CS 22
#define TFT_DC 5
#define TP_CS 13
#define TP_IRQ 12
TFT tft;
//-------------------------------------------------------------------------------------
void setup() {
pinMode(2, INPUT_PULLUP);
if(!SD_MMC.begin("/sd", true)){
log_e("SD Card Mount Failed");
while(1){}; // endless loop
}
tft.setFrequency(40000000);
tft.begin(TFT_CS, TFT_DC, VSPI, SPI_MOSI, SPI_MISO, SPI_SCK);
}
//-------------------------------------------------------------------------------------
void loop(void) {
tft.setRotation(0); //portait
tft.drawBmpFile(SD_MMC, "/wall_e.bmp", 0, 0);
delay(2000);
tft.setRotation(3); //landscape
tft.drawJpgFile(SD_MMC,"/wallpaper1.jpg", 0,0);
delay(2000);
tft.drawJpgFile(SD_MMC,"/arduino.jpg", 100,50);
delay(2000);
}
//-------------------------------------------------------------------------------------Use the touchpad
#include "Arduino.h"
#include "ili9486.h"
// GPIOs for SPI
#define SPI_MOSI 23
#define SPI_MISO 19
#define SPI_SCK 18
// GPIOs for TFT/TP
#define TFT_CS 22
#define TFT_DC 5
#define TP_CS 13
#define TP_IRQ 12
TFT tft;
TP tp(TP_CS, TP_IRQ);
uint16_t tp_x, tp_y;
//-------------------------------------------------------------------------------------
void setup() {
tft.begin(TFT_CS, TFT_DC, VSPI, SPI_MOSI, SPI_MISO, SPI_SCK);
tft.setFrequency(40000000);
tft.setRotation(1); //landscape
tp.setRotation(1);
tft.fillScreen(TFT_BLACK);
tft.setTextColor(TFT_GREENYELLOW);
tft.setTextSize(4);
}
//-------------------------------------------------------------------------------------
void loop(void) {
tp.loop();
}
//-------------------------------------------------------------------------------------
// Events from TouchPad
void tp_pressed(uint16_t x, uint16_t y){
tp_x=x; tp_y=y;
}
void tp_released(){
tft.fillRect(100, 100, 120, 50, TFT_BLACK);
tft.setCursor(100, 100);
tft.print("PosX="); tft.println(tp_x);
tft.print("PosY="); tft.println(tp_y);
}
//-------------------------------------------------------------------------------------