185 lines
4.0 KiB
C
185 lines
4.0 KiB
C
/********************************************************************************
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* Copyright (c) 2012, Beijing Tongfang Microelectroics Co., Ltd.
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* All rights reserved.
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* Module: USB
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* Author: Yang Song
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* Version: V1.0
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* History:
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* 2012-09-24 Original version
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********************************************************************************/
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#include "global.h"
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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
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/***************************************************************************
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* Function: usbReqHandle
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* Description: USB standard request process
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* Input: NULL
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* Output: NULL
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* Return: NULL
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* Other: NULL
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**************************************************************************/
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void usbReqHandle(void)
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{
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if(st_usbDeviceRequest.bStdRqstFlag) // Standard
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{
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usbStdReq[st_usbDeviceRequest.bRequest]();
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st_usbDeviceRequest.bStdRqstFlag = 0;
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}
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else if(st_usbDeviceRequest.bClsRqstFlag) // Class
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{
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if ((g_bUsbDevType == USBDEVTYPE_HIDPOS) || (g_bUsbDevType == USBDEVTYPE_HIDKBD))
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{
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hidReportRequest(st_usbDeviceRequest.bRequest);
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}
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else if(g_bUsbDevType == USBDEVTYPE_VSP)
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{
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vspClassRequest(st_usbDeviceRequest.bRequest);
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}
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st_usbDeviceRequest.bClsRqstFlag = 0;
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}
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}
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/***************************************************************************
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* Function: AppUSBSendData
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* Description: usb数据发送
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* Input: buf 待发送数据地址
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* Input: len 待发送数据长度
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* Output: NULL
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* Return: NULL
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* Other: NULL
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**************************************************************************/
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void AppUSBSendData(u8* buf, u32 len)
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{
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uint8_t flag = 0;
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uint8_t numssendflag = FALSE;
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if (len == 0)
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{
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return;
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}
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if(g_bUsbDevType == USBDEVTYPE_HIDPOS)
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{
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//check if suspend
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TimerHSIClockCount(TIM3, START_TIMER);
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while(1)
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{
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if((USBPHYDAT&0x03) != 0x01)
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{
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flag = 1;
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break;
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}
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if(TimerHSIClockCount(TIM3, GET_TIMER) > 36000) //3ms
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{
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break;
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}
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}
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TimerHSIClockCount(TIM3, STOP_TIMER);
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if(flag == 0)
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{
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USBDCON |= Bit28_En;
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TimerDelay(TIM2, 15); //ms
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USBDCON &= Bit28_Dis;
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}
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usbHidPosSendChars(buf, len);
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}
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else if(g_bUsbDevType == USBDEVTYPE_HIDKBD)
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{
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//check if suspend
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TimerHSIClockCount(TIM3, START_TIMER);
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while(1)
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{
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if((USBPHYDAT&0x03) != 0x01)
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{
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flag = 1;
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break;
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}
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if(TimerHSIClockCount(TIM3, GET_TIMER) > 36000) //3ms
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{
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break;
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}
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}
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TimerHSIClockCount(TIM3, STOP_TIMER);
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if(flag == 0)
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{
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USBDCON |= Bit28_En;
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TimerDelay(TIM2, 15); //ms
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USBDCON &= Bit28_Dis;
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}
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switch(gConfgBuf.outputCodeType)
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{
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case GBK:
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//防止没有打开小键盘产生影响
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if(g_bNumLock == NUMLOCKOFF)
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{
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SendNumLock();
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numssendflag = TRUE;
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}
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usbHidKbdSendCharsGBK(buf, len);
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if(numssendflag)
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{
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SendNumLock();
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}
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break;
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case UNICODE:
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usbHidKbdSendCharsUNICODE(buf, len);
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break;
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case UTF8:
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usbHidKbdSendCharsUTF8(buf, len);
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break;
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default:
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usbHidKbdSendCharsGBK(buf, len);
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break;
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}
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//usbHidKbdSendChars(buf, len);
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}
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else if(g_bUsbDevType == USBDEVTYPE_VSP)
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{
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usbVspSendChars(buf, len);
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}
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// usbVspSendChars(buf, len);
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}
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/***************************************************************************
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* Function: AppUSBReceiveData
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* Description: usb Init
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* Input: 把收到的数据拷贝到buf
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* Input: bufSize buf的大小，防止越界
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* Output: 收到的数据长度
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* Return: NULL
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* Other: NULL
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**************************************************************************/
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u32 AppUSBReceiveData(u8 *buf, u32 bufSize)
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{
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u32 len = 0;
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if(g_bUsbDevType == USBDEVTYPE_HIDPOS)
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{
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len = usbHidPosRecvChars(buf, bufSize);
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}
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else if(g_bUsbDevType == USBDEVTYPE_HIDKBD)
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{
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//keyboard 目前没有接收
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}
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else if(g_bUsbDevType == USBDEVTYPE_VSP)
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{
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len = usbVspRecvChars(buf, bufSize);
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}
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// len = usbVspRecvChars(buf, bufSize);
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return len;
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}
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