Use interrupt mode I to implement the matrix keyboard on STM32F103. All the modifications needed to modify the port are listed in the macro definition. Convenient modification

Filename	Size	Update
STM32矩阵键盘\EXTI\exti.c	2256	2018-06-14
STM32矩阵键盘\EXTI\exti.h	788	2018-06-14
STM32矩阵键盘\KEY\key.c	1740	2015-04-01
STM32矩阵键盘\KEY\key.h	1059	2015-03-23
STM32矩阵键盘\KEY\keyboard.c	12536	2018-06-14
STM32矩阵键盘\KEY\keyboard.h	199	2018-06-14
STM32矩阵键盘\EXTI	0	2018-06-14
STM32矩阵键盘\KEY	0	2018-06-14
STM32矩阵键盘	0	2018-06-14

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