1.Atmega16 microcontroller SPI interface initialization 2. Using the SPI interrupt continuously send data to the 595 3. You can also use the generic I/O port to generate timing-driven 595 4. Define the foreground and background of the two display buffer containing 5 display Empty the cache, copy, read, compare the performance function 6. contain draw points and draw a straight line performance function

avr_led_maxtrix\led_matrix.c
...............\led_matrix.h
avr_led_maxtrix

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