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下载了一个“USB不停电下载的程序”后,
擎天柱就找不到HID的USB接口了,
按P32再按power键,可爱的HID再也不出现了,咋办?
再也下载不了程序了,咋办?
void main(void)
{
P_SW2 |= 0x80; //B7位写1,使能访问XFR
P0M1 = 0x00; P0M0 = 0x00;
P1M1 = 0x00; P1M0 = 0x00;
P2M1 = 0x00; P2M0 = 0x00;
P3M1 = 0x00; P3M0 = 0x00;
P4M1 = 0x00; P4M0 = 0x00;
P5M1 = 0x00; P5M0 = 0x00;
P6M1 = 0x00; P6M0 = 0x00;
P7M1 = 0x00; P7M0 = 0x00;
usb_init(); //USB CDC 接口配置
IE2 |= 0x80; //使能USB中断
EA = 1; //IE |= 0X80;
while (DeviceState != DEVSTATE_CONFIGURED); //等待USB完成配置
while(1)
{
if (bUsbOutReady)
{
USB_SendData(UsbOutBuffer,OutNumber); //发送数据缓冲区,长度(接收数据原样返回, 用于测试)
usb_OUT_done();
}
P20 = 0; //P00端口输出0V
P22 = 0; //P02端口输出0V
}
}
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