[Arduino] 顯示彩色照片的範例

derek

這是測試顯示四張照片的範例。每個按鍵都會顯示一張不同的照片。

照片檔案在這裡：tsuyu*.h

主程式：wbPhotosV2.ino

/***************************************************
  Photo Display Demo -- WiFiBoy for Arduino
  Press any key to show different photos.
  
  v1.0 -- Sep 28, 2016 tklua@wifiboy.org
 ****************************************************/
#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library
#include <SPI.h>
#define TFT_CS     15
#define TFT_RST    0  
#define TFT_DC     2
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS,  TFT_DC, TFT_RST);
#include "tsuyu7.h"
#include "tsuyu8.h"
#include "tsuyu6.h"
#include "tsuyu5.h"
int oldkey=4, key;
uint8_t *img;
uint16_t pbuf[20480];
inline uint16_t swapcolor(uint16_t x) { 
  return (x << 11) | (x & 0x07E0) | (x >> 11);
}
void setup(void) {
  tft.initR(INITR_GREENTAB);   // initialize a ST7735S chip, black tab
  tft.fillScreen(ST7735_BLACK);
  memcpy_P(pbuf, img5, 40960);
  tft.setAddrWindow(0,0,127,159);
  for(int n=0; n<160*128; n++) tft.pushColor(*(pbuf+n));
}
void loop() {
  key=analogRead(A0)/230;
  if (key==1) key=2;
  if (digitalRead(5)==0) key=1;
  if (digitalRead(0)==0) key=3;
  if (oldkey != key && key != 4) {
    switch(key) {
      case 0: memcpy_P(pbuf, img7, 40960); break;
      case 1: memcpy_P(pbuf, img8, 40960); break;
      case 2: memcpy_P(pbuf, img6, 40960); break;
      case 3: memcpy_P(pbuf, img5, 40960); break;
    }
    tft.setAddrWindow(0,0,127,159);
    for(int n=0; n<160*128; n++) tft.pushColor(*(pbuf+n));
  }
  oldkey = key;
  delay(50);
}