Camera to TFT LCD (#150)

* 1.Based on AmebaILI9341.h, implement the functionality to display Camera output on TFT LCD and utilize the SD Card feature to achieve basic photo capture.

2.Before starting the project, please install the TJpg_Decoder library. In the library's configuration file, User_Config.h, comment out line 5 which reads: #define TJPGD_LOAD_SD_LIBRARY

* Camera to TFT LCD

Arduino_package/hardware/libraries/SPI/examples/Camera_2_Lcd/Camera_2_Lcd.ino

@@ -0,0 +1,127 @@
+/*******************************************************
+ * Camera_2_Lcd.ino - Camera to TFT LCD 
+ * 
+ * Author: Kevin Chen
+ * Date: 2023/11/16
+ * 
+ * Version: 1.0.0
+ * 
+ * This code was written by Kevin Chen.
+ * 
+ * This is an open-source program, and it can be freely used, modified, and distributed under the following conditions:
+ * 
+ * 1. The original copyright notice must not be removed or modified.
+ * 2. Projects or products using this code must acknowledge the original author's name and the source in applicable documentation, websites, or other related materials.
+ * 3. Any derivative work based on this code must state its origin and retain the original copyright notice in its documentation.
+ * 4. This code must not be used for any activities that may infringe upon the rights of others, be unlawful, or harmful, whether in a commercial or non-commercial environment.
+ * 
+ * This code is provided "as is" with no warranty, expressed or implied. The author is not liable for any losses or damages caused by using the code.
+ * 
+ * Users of Camera_2_Lcd.ino assume all risks associated with its use, and the author shall not be held responsible for any consequences.
+ * 
+ * For more information about our company, please visit: www.makdev.net
+ * 
+ *  1.Based on AmebaILI9341.h, implement the functionality to display Camera output on TFT LCD and utilize the SD Card feature to achieve basic photo capture.
+ *
+ *  2.Before starting the project, please install the TJpg_Decoder library. In the library's configuration file, User_Config.h, comment out line 5 which reads: #define TJPGD_LOAD_SD_LIBRARY
+ *******************************************************/
+
+
+#include "VideoStream.h"
+#include "SPI.h"
+#include "AmebaILI9341.h"
+// Include the jpeg decoder library
+#include "TJpg_Decoder.h"
+#include "AmebaFatFS.h"
+
+#define CHANNEL 0
+
+#define TFT_RESET       5
+#define TFT_DC          4
+#define TFT_CS          SPI_SS
+
+#define FILENAME  "ximg_"
+
+AmebaILI9341 tft = AmebaILI9341(TFT_CS, TFT_DC, TFT_RESET);
+
+#define ILI9341_SPI_FREQUENCY 20000000
+
+VideoSetting config(VIDEO_VGA, CAM_FPS, VIDEO_JPEG, 1);
+
+uint32_t img_addr = 0;
+uint32_t img_len = 0;
+
+AmebaFatFS fs;
+int button = 16;
+int button_State = 0;
+bool Camer_cap;
+uint32_t count;
+
+void button_Handler(uint32_t id,uint32_t event)
+{
+  if(button_State == 0)
+  {
+    button_State = 1;
+  }
+}
+
+bool tft_output(int16_t x, int16_t y, uint16_t w, uint16_t h, uint16_t* bitmap)
+{
+  tft.drawBitmap(x,y,w,h,bitmap);
+
+  // Return 1 to decode next block
+  return 1;
+}
+
+void setup() {
+
+  Serial.begin(115200);
+
+  Serial.println("TFT ILI9341 "); 
+
+  SPI.setDefaultFrequency(ILI9341_SPI_FREQUENCY);
+  pinMode(button,INPUT_IRQ_FALL);
+  digitalSetIrqHandler(button,button_Handler);
+
+  Camera.configVideoChannel(CHANNEL, config);
+  Camera.videoInit();
+  Camera.channelBegin(CHANNEL);
+
+
+  tft.begin();
+  tft.setRotation(1);
+
+  // The jpeg image can be scaled by a factor of 1, 2, 4, or 8
+  TJpgDec.setJpgScale(2);
+
+
+  // The decoder must be given the exact name of the rendering function above
+  TJpgDec.setCallback(tft_output);
+
+
+}
+
+void loop() {
+
+    Camera.getImage(CHANNEL, &img_addr, &img_len);
+    if(button_State == 1)
+    {
+      fs.begin();
+      File file = fs.open(String(fs.getRootPath()) + String(FILENAME) + String(count) + String(".jpg"));
+      file.write((uint8_t *)img_addr,img_len);
+      delay(1);
+      file.close();
+      fs.end();
+      count++;
+      button_State = 0;
+    }
+
+    TJpgDec.getJpgSize(0, 0, (uint8_t *)img_addr, img_len);
+    TJpgDec.drawJpg(0, 0, (uint8_t *)img_addr, img_len);
+
+}
+
+
+
+
+