STM32之三行按键宏定义

STM32之三行按键按键宏定义unsigned char ucTrg  = 0;unsigned char ucCont = 0;unsigned char uckey_times = 0;unsigned char uckey_num = 0;_Bool blKey_Flag = 0;#define KEY1 GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0)#define KEY2 GPIO_ReadInputDataBit(GPIOA, GPIO_Pin