Description: SCM keyboard curriculum design (1) Based on a keyboard scanner: detecting whether a key is pressed, a key is pressed the record button is pressed keys, and jump to the function of the transfer process no key is pressed, then return the keyboard scan program continues to detect (2) the transfer function of the program: to get the key value for the detection of judgment, is the key then jump to the key handler function keys jump to the appropriate functional programs, we have designed the program has two functions, That tone adjustment function and auto-play music functions (3) key processes: get the keys to the detected values, temperament query table to assign a timer, so that issue the corresponding frequency sound (4) Auto Play Songs procedures: press buttons detected Under the program is executed automatically play songs function keys, the keyboard will automatically play a good song that has been stored in advance, after the song has finished playing automatically returns to the k
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..........\12.c
..........\c.txt
..........\CH451C54.C
..........\CH451DS1.PDF
..........\test.c
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