A drawing and some ascii characters was displayed. The 5x7 ascii font and drawing
was stored in ATmega16's flash. For hardware connection, please see glcd.h.
Some Chinese characters was displayed. The 16x16 GB2312 font (267616 Bytes)
was stored in a 8MB SD card.(It's stored in raw data, without file system support).
For hardware connection, please see glcd.h and mmc.h.
SD card need a 3.3V VCC, since ATmega16 was powered by 5.0V, a 5V to 3.3V level
converter is necessary between signal pins.