#include?“key.h“
//初始化矩陣鍵盤IO口
void?Key_Init（void）
{
		GPIO_InitTypeDef?GPIO_Struct;
	
		RCC_APB2PeriphClockCmd（RCC_APB2Periph_GPIOF?ENABLE）;
	
		GPIO_Struct.GPIO_Pin?=?GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
		GPIO_Struct.GPIO_Mode?=?GPIO_Mode_Out_PP;
		GPIO_Struct.GPIO_Speed?=?GPIO_Speed_50MHz;
		GPIO_Init（GPIOF?&GPIO_Struct）;
}
//讀取按鍵
u8?Read_Key（void）
{
		u8?temp1?=?0temp2?=?0;
		GPIO_Write（GPIOF0xF0）;
		delay_ms（10）;
		temp1?=?（u8）GPIO_ReadInputData（GPIOF）;
		temp1?=?temp1?&?0x0F;
		GPIO_Write（GPIOF0x0F）;
		delay_ms（10）;
		temp2?=?（u8）GPIO_ReadInputData（GPIOF）;
		temp2?=?temp2?&?0xF0;
		temp1?=?temp1?|?temp2;
		return?temp1;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-07-26?20:47??矩陣鍵盤\
?????目錄???????????0??2018-07-26?20:47??矩陣鍵盤\App\
?????目錄???????????0??2018-07-26?20:47??矩陣鍵盤\App\key\
?????文件?????????733??2018-07-18?13:48??矩陣鍵盤\App\key\key.c
?????文件?????????178??2018-07-18?12:53??矩陣鍵盤\App\key\key.h
?????目錄???????????0??2018-07-26?20:47??矩陣鍵盤\App\Led\
?????文件?????????351??2018-02-05?12:39??矩陣鍵盤\App\Led\led.c
?????文件?????????275??2018-07-18?12:25??矩陣鍵盤\App\Led\led.h
?????文件???????10128??2018-07-18?14:34??矩陣鍵盤\JlinkLog.txt
?????文件?????????671??2018-07-18?14:10??矩陣鍵盤\JlinkSettings.ini
?????目錄???????????0??2018-07-26?20:47??矩陣鍵盤\Libraries\
?????目錄???????????0??2018-07-26?20:47??矩陣鍵盤\Libraries\CMSIS\
?????文件???????17273??2010-06-07?10:25??矩陣鍵盤\Libraries\CMSIS\core_cm3.c
?????文件???????85714??2011-02-09?14:59??矩陣鍵盤\Libraries\CMSIS\core_cm3.h
?????文件???????15503??2011-03-10?10:52??矩陣鍵盤\Libraries\CMSIS\startup_stm32f10x_hd.s
?????文件???????36557??2011-03-10?10:51??矩陣鍵盤\Libraries\CMSIS\system_stm32f10x.c
?????文件????????2085??2011-03-10?10:51??矩陣鍵盤\Libraries\CMSIS\system_stm32f10x.h
?????目錄???????????0??2018-07-26?20:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\
?????目錄???????????0??2018-07-26?20:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\
?????文件????????8982??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\misc.h
?????文件???????21690??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_adc.h
?????文件????????7555??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_bkp.h
?????文件???????27559??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_can.h
?????文件????????6573??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_cec.h
?????文件????????2162??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_crc.h
?????文件???????15233??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_dac.h
?????文件????????3818??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_dbgmcu.h
?????文件???????20754??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_dma.h
?????文件????????6824??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_exti.h
?????文件???????25445??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_flash.h
?????文件???????27016??2011-03-10?10:47??矩陣鍵盤\Libraries\STM32F10x_StdPeriph_Driver\inc\stm32f10x_fsmc.h
............此處省略185個文件信息