/********************************************************************************
* Copyright (c) 2012, Beijing Tongfang Microelectroics Co., Ltd.
* All rights reserved.
* Module: USB
* Author: Yang Song
* Version: V1.0
* History:
*   2012-09-24 Original version
********************************************************************************/
#include "global.h"  

u8 g_bUsbDevType; //由于需要支持，不同的设备类型，上电需要根据配置选择一个类型 例如 USBDEVTYPE_VSP
                
/***************************************************************************
* Function: usbReqHandle
* Description: USB standard request process
* Input:  NULL
* Output: NULL
* Return: NULL	
* Other:  NULL
**************************************************************************/
void usbReqHandle(void)
{
	if(st_usbDeviceRequest.bStdRqstFlag)									//	Standard
	{
		usbStdReq[st_usbDeviceRequest.bRequest]();
		st_usbDeviceRequest.bStdRqstFlag = 0;
	}
	else if(st_usbDeviceRequest.bClsRqstFlag)								//	Class
	{
        if ((g_bUsbDevType == USBDEVTYPE_HIDPOS) || (g_bUsbDevType == USBDEVTYPE_HIDKBD))
        {
            hidReportRequest(st_usbDeviceRequest.bRequest);
        }
        else if(g_bUsbDevType == USBDEVTYPE_VSP)
        {
            vspClassRequest(st_usbDeviceRequest.bRequest);
        }
		
		st_usbDeviceRequest.bClsRqstFlag = 0;
	}		
}

/***************************************************************************
* Function: AppUSBSendData
* Description: usb数据发送
* Input:  buf 待发送数据地址
* Input:  len 待发送数据长度
* Output: NULL
* Return: NULL	
* Other:  NULL
**************************************************************************/
void AppUSBSendData(u8* buf, u32 len)
{
	uint8_t flag = 0;
	uint8_t numssendflag = FALSE;
	
    if (len == 0)
    {
        return;
    }

	
    if(g_bUsbDevType == USBDEVTYPE_HIDPOS)
    {
		//check if suspend
		TimerHSIClockCount(TIM3, START_TIMER);
		while(1)
		{
			if((USBPHYDAT&0x03) != 0x01)
			{
				flag = 1;
				break;
			}
			if(TimerHSIClockCount(TIM3, GET_TIMER) > 36000)  //3ms
			{
				break;
			}
		}
		TimerHSIClockCount(TIM3, STOP_TIMER);

		if(flag == 0)
		{
			USBDCON |= Bit28_En;
			TimerDelay(TIM2, 15);        //ms
			USBDCON &= Bit28_Dis;
		}
        usbHidPosSendChars(buf, len);
    }
    else if(g_bUsbDevType == USBDEVTYPE_HIDKBD)
    {
		//check if suspend
		TimerHSIClockCount(TIM3, START_TIMER);
		while(1)
		{
			if((USBPHYDAT&0x03) != 0x01)
			{
				flag = 1;
				break;
			}
			if(TimerHSIClockCount(TIM3, GET_TIMER) > 36000)  //3ms
			{
				break;
			}
		}
		TimerHSIClockCount(TIM3, STOP_TIMER);

		if(flag == 0)
		{
			USBDCON |= Bit28_En;
			TimerDelay(TIM2, 15);        //ms
			USBDCON &= Bit28_Dis;
		}
		
		
		
		switch(gConfgBuf.outputCodeType)
		{
			case GBK:
				//防止没有打开小键盘产生影响
				if(g_bNumLock == NUMLOCKOFF)
				{
					SendNumLock();
					numssendflag = TRUE;
				}
				usbHidKbdSendCharsGBK(buf, len);
				if(numssendflag)
				{
					SendNumLock();
				}
				break;
			case UNICODE:
				usbHidKbdSendCharsUNICODE(buf, len);
				break;
			case UTF8:
				usbHidKbdSendCharsUTF8(buf, len);
				break;
			default:
				usbHidKbdSendCharsGBK(buf, len);
				break;
		}
	
        //usbHidKbdSendChars(buf, len);
    }
    else if(g_bUsbDevType == USBDEVTYPE_VSP)
    {
        usbVspSendChars(buf, len);
    }

//    usbVspSendChars(buf, len);

}

/***************************************************************************
* Function: AppUSBReceiveData
* Description: usb Init
* Input:  把收到的数据拷贝到buf
* Input:  bufSize buf的大小，防止越界
* Output: 收到的数据长度
* Return: NULL	
* Other:  NULL
**************************************************************************/
u32 AppUSBReceiveData(u8 *buf, u32 bufSize)
{
    u32 len = 0;
  
    if(g_bUsbDevType == USBDEVTYPE_HIDPOS)
    {
        len = usbHidPosRecvChars(buf, bufSize);
    }
    else if(g_bUsbDevType == USBDEVTYPE_HIDKBD)
    {
        //keyboard 目前没有接收
    }
    else if(g_bUsbDevType == USBDEVTYPE_VSP)
    {
        len = usbVspRecvChars(buf, bufSize);
    }

//        len = usbVspRecvChars(buf, bufSize);
	
    return len;
}