/***************************************************
This is our Bitmap drawing example for the Adafruit ILI9341 Breakout and Shield
----> [url]http://www.adafruit.com/products/1651[/url]
Check out the links above for our tutorials and wiring diagrams
These displays use SPI to communicate, 4 or 5 pins are required to
interface (RST is optional)
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries.
MIT license, all text above must be included in any redistribution
****************************************************/
#include <Adafruit_GFX.h> // Core graphics library
//#include "Adafruit_ILI9341.h" // Hardware-specific library
#include <ILI9341_t3.h>
#include <SPI.h>
#include <SD.h>
// TFT display and SD card will share the hardware SPI interface.
// Hardware SPI pins are specific to the Arduino board type and
// cannot be remapped to alternate pins. For Arduino Uno,
// Duemilanove, etc., pin 11 = MOSI, pin 12 = MISO, pin 13 = SCK.
#define TFT_DC 9
#define TFT_CS 10
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
ILI9341_t3 tft = ILI9341_t3(TFT_CS, TFT_DC, 8);
#define SD_CS 4
int pUp = 0;
int pDown = 1;
int pLeft = 2;
int pRight = 3;
int pCenter = 5;
char *mains[] = {"m0.bmp","m1.bmp","m2.bmp"};
bool main_page = true;
bool run_page = false;
bool menu_page = false;
int mainn = 0;
void setup(void) {
Serial.begin(9600);
Serial.println("OKOK");
delay(1000);
tft.begin();
tft.fillScreen(ILI9341_BLUE);
Serial.print("Initializing SD card...");
if (!SD.begin(SD_CS)) {
Serial.println("failed!");
}else{
Serial.println("OK!");
}
pinMode(pUp,INPUT_PULLUP);
pinMode(pDown,INPUT_PULLUP);
pinMode(pLeft,INPUT_PULLUP);
pinMode(pRight,INPUT_PULLUP);
pinMode(pCenter,INPUT_PULLUP);
bmpDraw(mains[0], 0, 0);
//bmpDraw("test.bmp", 0, 0);
}
void loop() {
if(digitalRead(pUp)==LOW){
delay(50);
if(main_page==true){
mainn--;
if(mainn<0){mainn=3;}
//tft.fillScreen(ILI9341_BLACK);
bmpDraw(mains[mainn], 0, 0);
}
}
if(digitalRead(pDown)==LOW){
delay(50);
if(main_page==true){
mainn++;
if(mainn>2){mainn=0;}
//tft.fillScreen(ILI9341_BLACK);
bmpDraw(mains[mainn], 0, 0);
}
}
if(digitalRead(pCenter)==LOW){
if(main_page==true){
if(mainn==0){
main_page=false;
//tft.fillScreen(ILI9341_BLACK);
bmpDraw("run.bmp", 0, 0);
}
if(mainn==2){
main_page=false;
//tft.fillScreen(ILI9341_BLACK);
bmpDraw("menu.bmp", 0, 0);
}
}else{
bmpDraw(mains[0], 0, 0);
mainn = 0;
main_page=true;
}
}
}
#define BUFFPIXEL 240
//===========================================================
// Try Draw using writeRect
void bmpDraw(char *filename, uint8_t x, uint16_t y) {
File bmpFile;
int bmpWidth, bmpHeight; // W+H in pixels
uint8_t bmpDepth; // Bit depth (currently must be 24)
uint32_t bmpImageoffset; // Start of image data in file
uint32_t rowSize; // Not always = bmpWidth; may have padding
uint8_t sdbuffer[3*BUFFPIXEL]; // pixel buffer (R+G+B per pixel)
uint16_t buffidx = sizeof(sdbuffer); // Current position in sdbuffer
boolean goodBmp = false; // Set to true on valid header parse
boolean flip = true; // BMP is stored bottom-to-top
int w, h, row, col;
uint8_t r, g, b;
uint32_t pos = 0, startTime = millis();
uint16_t awColors[320]; // hold colors for one row at a time...
if((x >= tft.width()) || (y >= tft.height())) return;
Serial.print(F("Loading image '"));
Serial.print(filename);
Serial.println('\'');
// Open requested file on SD card
if ((bmpFile = SD.open(filename)) == NULL) {
Serial.print(F("File not found"));
return;
}
elapsedMicros usec;
uint32_t us;
uint32_t total_seek = 0;
uint32_t total_read = 0;
uint32_t total_parse = 0;
uint32_t total_draw = 0;
// Parse BMP header
if(read16(bmpFile) == 0x4D42) { // BMP signature
Serial.print(F("File size: ")); Serial.println(read32(bmpFile));
(void)read32(bmpFile); // Read & ignore creator bytes
bmpImageoffset = read32(bmpFile); // Start of image data
Serial.print(F("Image Offset: ")); Serial.println(bmpImageoffset, DEC);
// Read DIB header
Serial.print(F("Header size: ")); Serial.println(read32(bmpFile));
bmpWidth = read32(bmpFile);
bmpHeight = read32(bmpFile);
if(read16(bmpFile) == 1) { // # planes -- must be '1'
bmpDepth = read16(bmpFile); // bits per pixel
Serial.print(F("Bit Depth: ")); Serial.println(bmpDepth);
if((bmpDepth == 24) && (read32(bmpFile) == 0)) { // 0 = uncompressed
goodBmp = true; // Supported BMP format -- proceed!
Serial.print(F("Image size: "));
Serial.print(bmpWidth);
Serial.print('x');
Serial.println(bmpHeight);
// BMP rows are padded (if needed) to 4-byte boundary
rowSize = (bmpWidth * 3 + 3) & ~3;
// If bmpHeight is negative, image is in top-down order.
// This is not canon but has been observed in the wild.
if(bmpHeight < 0) {
bmpHeight = -bmpHeight;
flip = false;
}
// Crop area to be loaded
w = bmpWidth;
h = bmpHeight;
if((x+w-1) >= tft.width()) w = tft.width() - x;
if((y+h-1) >= tft.height()) h = tft.height() - y;
usec = 0;
for (row=0; row<h; row++) { // For each scanline...
// Seek to start of scan line. It might seem labor-
// intensive to be doing this on every line, but this
// method covers a lot of gritty details like cropping
// and scanline padding. Also, the seek only takes
// place if the file position actually needs to change
// (avoids a lot of cluster math in SD library).
if(flip) // Bitmap is stored bottom-to-top order (normal BMP)
pos = bmpImageoffset + (bmpHeight - 1 - row) * rowSize;
else // Bitmap is stored top-to-bottom
pos = bmpImageoffset + row * rowSize;
if(bmpFile.position() != pos) { // Need seek?
bmpFile.seek(pos);
buffidx = sizeof(sdbuffer); // Force buffer reload
}
us = usec;
usec -= us;
total_seek += us;
for (col=0; col<w; col++) { // For each pixel...
// Time to read more pixel data?
if (buffidx >= sizeof(sdbuffer)) { // Indeed
us = usec;
usec -= us;
total_parse += us;
bmpFile.read(sdbuffer, sizeof(sdbuffer));
buffidx = 0; // Set index to beginning
us = usec;
usec -= us;
total_read += us;
}
// Convert pixel from BMP to TFT format, push to display
b = sdbuffer[buffidx++];
g = sdbuffer[buffidx++];
r = sdbuffer[buffidx++];
awColors[col] = tft.color565(r,g,b);
} // end pixel
us = usec;
usec -= us;
total_parse += us;
tft.writeRect(0, row, w, 1, awColors);
us = usec;
usec -= us;
total_draw += us;
} // end scanline
Serial.print(F("Loaded in "));
Serial.print(millis() - startTime);
Serial.println(" ms");
Serial.print("Seek: ");
Serial.println(total_seek);
Serial.print("Read: ");
Serial.println(total_read);
Serial.print("Parse: ");
Serial.println(total_parse);
Serial.print("Draw: ");
Serial.println(total_draw);
} // end goodBmp
}
}
bmpFile.close();
if(!goodBmp) Serial.println(F("BMP format not recognized."));
}
// These read 16- and 32-bit types from the SD card file.
// BMP data is stored little-endian, Arduino is little-endian too.
// May need to reverse subscript order if porting elsewhere.
uint16_t read16(File &f) {
uint16_t result;
((uint8_t *)&result)[0] = f.read(); // LSB
((uint8_t *)&result)[1] = f.read(); // MSB
return result;
}
uint32_t read32(File &f) {
uint32_t result;
((uint8_t *)&result)[0] = f.read(); // LSB
((uint8_t *)&result)[1] = f.read();
((uint8_t *)&result)[2] = f.read();
((uint8_t *)&result)[3] = f.read(); // MSB
return result;
}
