stm32驱动ch375b读usb条码枪能热插拔读不出条码请高手帮下什么地方错了
#includestm32f10x.h#includestm32f10x_gpio.h#includeCH375.H#includestring.hunsignedcharch,ch1,dat1;UINT8status;GPIO_InitTypeDefGPIO_InitStructure;unsignedchara,temp3,temp4,num,i;unsignedcharfs,tmpformt;unsignedcharsuju;