Giga: add display examples

Author: facchinm

libraries/Camera/examples/GigaCameraDisplay/GigaCameraDisplay.ino

@@ -0,0 +1,101 @@
+#include "camera.h"
+#include "Portenta_lvgl.h"
+#include "Portenta_Video.h"
+
+#if 0
+#include "gc2145.h"
+GC2145 galaxyCore;
+Camera cam(galaxyCore);
+#define IMAGE_MODE CAMERA_RGB565
+#else
+#include "himax.h"
+HM01B0 himax;
+Camera cam(himax);
+#define IMAGE_MODE CAMERA_GRAYSCALE
+#endif
+
+/*
+  Other buffer instantiation options:
+  FrameBuffer fb(0x30000000);
+  FrameBuffer fb(320,240,2);
+*/
+FrameBuffer fb;
+
+unsigned long lastUpdate = 0;
+
+
+void blinkLED(uint32_t count = 0xFFFFFFFF)
+{
+  pinMode(LED_BUILTIN, OUTPUT);
+  while (count--) {
+    digitalWrite(LED_BUILTIN, LOW);  // turn the LED on (HIGH is the voltage level)
+    delay(50);                       // wait for a second
+    digitalWrite(LED_BUILTIN, HIGH); // turn the LED off by making the voltage LOW
+    delay(50);                       // wait for a second
+  }
+}
+void LCD_ST7701_Init();
+
+uint32_t palette[256];
+
+void setup() {
+  pinMode(PA_1, OUTPUT);
+  digitalWrite(PA_1, HIGH);
+
+  pinMode(PD_4, OUTPUT);
+  digitalWrite(PD_4, LOW);
+
+  // Init the cam QVGA, 30FPS
+  if (!cam.begin(CAMERA_R320x240, IMAGE_MODE, 30)) {
+    blinkLED();
+  }
+
+  for (int i = 0; i < 256; i++) {
+    palette[i] = 0xFF000000 | (i << 16) | (i << 8) | i;
+  }
+
+  giga_init_video();
+  LCD_ST7701_Init();
+
+  blinkLED(5);
+
+  stm32_configue_CLUT((uint32_t*)palette);
+  stm32_LCD_Clear(0);
+  stm32_LCD_Clear(0);
+  stm32_LCD_Clear(0);
+  stm32_LCD_Clear(0);
+}
+
+#include "avir.h"
+
+void loop() {
+
+  lastUpdate = millis();
+
+  // Grab frame and write to serial
+  if (cam.grabFrame(fb, 3000) == 0) {
+    //avir :: CImageResizer<> ImageResizer( 8 );
+    //ImageResizer.resizeImage( (uint8_t*)fb.getBuffer(), 320, 240, 0, (uint8_t*)outfb.getBuffer(), 480, 320, 1, 0 );
+    static FrameBuffer outfb(0x30000000);
+    //static FrameBuffer outfb(getFramebufferEnd());
+    for (int i = 0; i < 300; i++) {
+      for (int j = 0; j < 240; j++) {
+        //((uint8_t*)outfb.getBuffer())[j * 240 + (320 - i)] = ((uint8_t*)fb.getBuffer())[i * 320 + j];
+#if 1
+        ((uint8_t*)outfb.getBuffer())[j * 2 + (i * 2) * 480] = ((uint8_t*)fb.getBuffer())[i + j * 320];
+        ((uint8_t*)outfb.getBuffer())[j * 2 + (i * 2) * 480 + 1] = ((uint8_t*)fb.getBuffer())[i + j * 320];
+        ((uint8_t*)outfb.getBuffer())[j * 2 + (i*2+1) * 480] = ((uint8_t*)fb.getBuffer())[i + j * 320];
+        ((uint8_t*)outfb.getBuffer())[j * 2 + (i*2+1) * 480 + 1] = ((uint8_t*)fb.getBuffer())[i + j * 320];
+#endif
+#if 0
+        ((uint8_t*)outfb.getBuffer())[j + i * 240] = ((uint8_t*)fb.getBuffer())[i + j * 320];
+#endif
+      }
+    }
+    //stm32_LCD_DrawImage((void*)outfb.getBuffer(), (void*)getNextFrameBuffer(), 240, 320, DMA2D_INPUT_L8);
+    stm32_LCD_DrawImage((void*)outfb.getBuffer(), (void*)getNextFrameBuffer(), 480, 640, DMA2D_INPUT_L8);
+    //stm32_LCD_DrawImage((void*)fb.getBuffer(), (void*)getNextFrameBuffer(), 320, 240, DMA2D_INPUT_L8);
+  } else {
+    blinkLED(20);
+  }
+}