摘要：
一、arm-9 TQ2440 key.h 1 #ifndef __KEY_H__ 2 #define __KEY_H__ 3 4 #define GPFCON (*(volatile unsigned long *)0x56000050) 5 #define GPFDAT (*(volatile unsigned long *)0x56000054) 6 7 extern void key_init(void); 8 extern int key1(void); 9 extern int key2(void);10 extern int key3(void);11 extern int k.. 阅读全文
