Cycle through graphic test modes

examples/i2c_oled/i2c_oled.c

@@ -13,8 +13,7 @@
 
 int main()
 {
-	uint32_t count = 0;
-	
+	// 48MHz internal clock
 	SystemInit48HSI();
 
 	// start serial @ default 115200bps
@@ -27,49 +26,72 @@ int main()
 	printf("initializing i2c oled...");
 	if(!oled_init())
 	{
-		//memset(oled_buffer, 0, sizeof(oled_buffer));
-		
-		//for(int i=0;i<sizeof(oled_buffer);i++)
-		//	oled_buffer[i] = i;
-		
-		//for(int i=0;i<OLED_W;i++)
-		//{
-		//	oled_drawPixel(i, i>>2, 1);
-		//	oled_drawPixel(i, OLED_H-1-(i>>2), 1);
-		//}
-		
-		//uint8_t y= 0;
-		//for(uint8_t x=0;x<OLED_W;x+=16)
-		//{
-		//	oled_drawLine(x, 0, OLED_W, y, 1);
-		//	oled_drawLine(OLED_W-x, OLED_H, 0, OLED_H-y, 1);
-		//	y+= 4;
-		//}
-		
-		//for(uint8_t x=0;x<OLED_W;x+=16)
-		//	if(x<64)
-		//		oled_drawCircle(x,16, 15, 1);
-		//	else
-		//		oled_fillCircle(x,16, 15, 1);
-		
-		oled_drawstr(0,0, "This is a test", 1);
-		oled_drawstr(0,8, "of the emergency", 1);
-		oled_drawstr(0,16,"broadcasting", 1);
-		oled_drawstr(0,24,"system.",1);
-		
-		oled_xorrect(64, 0, 64, 32);
-		
-		oled_refresh();
 		printf("done.\n\r");
+		
+		printf("Looping on test modes...");
+		while(1)
+		{
+			for(uint8_t mode=0;mode<5;mode++)
+			{
+				// clear buffer for next mode
+				oled_setbuf(0);
+
+				switch(mode)
+				{
+					case 0:
+						for(int i=0;i<sizeof(oled_buffer);i++)
+							oled_buffer[i] = i;
+						break;
+					
+					case 1:
+						for(int i=0;i<OLED_W;i++)
+						{
+							oled_drawPixel(i, i>>2, 1);
+							oled_drawPixel(i, OLED_H-1-(i>>2), 1);
+						}
+						break;
+					
+					case 2:
+						{
+							uint8_t y= 0;
+							for(uint8_t x=0;x<OLED_W;x+=16)
+							{
+								oled_drawLine(x, 0, OLED_W, y, 1);
+								oled_drawLine(OLED_W-x, OLED_H, 0, OLED_H-y, 1);
+								y+= 4;
+							}
+						}
+						break;
+						
+					case 3:
+						for(uint8_t x=0;x<OLED_W;x+=16)
+							if(x<64)
+								oled_drawCircle(x,16, 15, 1);
+							else
+								oled_fillCircle(x,16, 15, 1);
+						break;
+					
+					case 4:
+						oled_drawstr(0,0, "This is a test", 1);
+						oled_drawstr(0,8, "of the emergency", 1);
+						oled_drawstr(0,16,"broadcasting", 1);
+						oled_drawstr(0,24,"system.",1);
+						
+						oled_xorrect(64, 0, 64, 32);
+						break;
+					
+					default:
+						break;
+				}
+				oled_refresh();
+			
+				Delay_Ms(2000);
+			}
+		}
 	}
 	else
 		printf("failed.\n\r");
 	
-	printf("looping...\n\r");
-	while(1)
-	{
-		count++;
-		count &= 255;
-		Delay_Ms( 5 );
-	}
+	printf("Stuck here forever...\n\r");
+	while(1);
 }