/**************************************************************************//** * @file main.c * @brief Demo how to use USB Device to implement Virtual COM Device * * SPDX-License-Identifier: Apache-2.0 * @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved. *****************************************************************************/ #include <stdio.h> #include <stdlib.h> #include <string.h> #include "N9H20.h" //#define SUSPEND_POWERDOWN void Demo_PowerDownWakeUp(void); void vcomInit(void); void VCOM_MainProcess(void); int main(void) { WB_UART_T uart; UINT32 u32ExtFreq; sysUartPort(1); u32ExtFreq = sysGetExternalClock(); /* Hz unit */ uart.uiFreq = u32ExtFreq * 1000; uart.uiBaudrate = 115200; uart.uiDataBits = WB_DATA_BITS_8; uart.uiStopBits = WB_STOP_BITS_1; uart.uiParity = WB_PARITY_NONE; uart.uiRxTriggerLevel = LEVEL_1_BYTE; sysInitializeUART(&uart); sysprintf("\nVirtual COM Demo\n"); /* Enable USB */ udcOpen(); vcomInit(); #ifdef SUSPEND_POWERDOWN udcSetSupendCallBack(Demo_PowerDownWakeUp); #endif udcInit(); VCOM_MainProcess(); }