demo.c

针对飞利浦LPC214x的虚拟串口程序

/*----------------------------------------------------------------------------
*      U S B  -  K e r n e l
*----------------------------------------------------------------------------
*      Name:    DEMO.C
*      Purpose: Main C entry file for Philips LPC214x
*      Version: V1.04
*----------------------------------------------------------------------------
*      This software is supplied "AS IS" without any warranties, express, 
*      implied or statutory, including but not limited to the implied 
*      warranties of fitness for purpose, satisfactory quality and 
*      noninfringement. Keil extends you a royalty-free right to reproduce and
*      distribute executable files created using this software for use on 
*      Philips LPC2xxx microcontroller devices only. Nothing else gives you the 
*      right to use this software. 
*
*      Copyright (c) 2005 Keil Software.
*		Modified by Philips Semiconductor
*---------------------------------------------------------------------------*/
#include <LPC214x.h>                        /* LPC214x definitions */

#include "type.h"
#include "usb.h"
#include "usbcfg.h"
#include "usbhw.h"
#include "usbcore.h"
#include "vcomuser.h"
#include "demo.h"

extern BYTE ReportStatus0, ReportStatus1;
extern BYTE Data2Host0, Data2Host1;

BYTE Modem0Status, Modem1Status;

#include "uart.h"

/* Main Program */
int main (void) {
	
	BYTE i = 0;
	
	IODIR1 = LED1 | LED2 | LED3 |             /* LED1, LED5..8 are Outputs */
		LED4 | LED5 | LED6 |
		LED7 | LED8;

	InitUart();	
//	init_serial();
	USB_Init();                               /* USB Initialization */
	USB_Connect(TRUE);                        /* USB Connect */
	
	while (1)                                /* Loop forever */
	{
#if USB_VCOM
		if ( Data2Host0 || Data2Host1 ) {
			UartDataToHost(0);
			UartDataToHost(1);
		}
#if 0
		/* EP3 is used to report UART0 status, and EP9
		is used to report UART1 status respectively */
		if ( ReportStatus0 ) {
			ReportStatus0 = 0;
			/* For Interrupt IN on EP3 */
			USB_WriteEP( 3 | 0x80, &Modem0Status, sizeof(Modem0Status) );
		}
		if ( ReportStatus1 ) {
			ReportStatus1 = 0;
			/* For Interrupt IN on EP9 */
			USB_WriteEP( 9 | 0x80, &Modem1Status, sizeof(Modem1Status) );
		}
#endif
#endif
	}											   
}