我看mini2440的eboot的时候,有这么一段void OEMInitDebugSerial(void){volatile UART0reg*s2440UART0 = (UART0reg *)UART0_BASE;volatile IOPreg*s2440IOP = (IOPreg *)IOP_BASE;// Configure port H for UART.s2440IOP->rGPHCO
各位高手,最近在研究stm32的usb程序,virtual com port 的DEMO程序usb_endp.c中有一段程序void SOF_Callback(void){static uint32_t FrameCount = 0;if(bDeviceState == CONFIGURED){if (FrameCount++ == VCOMPORT_IN_FRAME_INTERVAL){/* R