- Fixed drawing of round objects (Circles, Rounded Rects) using a lookup table

- Added function to read out the display_buffer via USB-Serial
 - Added basic structure and files for later complete firmware (still in progress)
 - Added Doc folder with schematic in it
 - Added Python script and batch file to read out the display buffer and open the image in gimp

Firmware/I2C_Master.c

@@ -156,5 +156,11 @@ int I2CM_Packet_Receive(const uint8_t slave_address, const uint reg_address, con
 	
 	int status = I2CM_Transmit(slave_address, Address_Data, address_length, false, true);
 
+	free (Address_Data);
+
+	if(status < 0) {
+		return status;
+	}
+	
 	return I2CM_Receive(slave_address, receive_data, data_length);
 }