139 lines
4.7 KiB
C
139 lines
4.7 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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static void usbSetMaxPktSize(u8 epn,u16 maxlength);
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/***************************************************************************
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* Function: usbEpInit
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* Description: Initialize ep
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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 usbEpInit(void)
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{
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// maxpkt=16B,clr buf 0 & 1,not complete CXSTS,CXDPKT,CXS enable
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USBCECON = 0x00010C07;
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if(g_bUsbDevType == USBDEVTYPE_HIDPOS)
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{
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// INT OUT,double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP1CON = 0x00430600; // used for BULK OUT
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// INT IN, double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP2CON = 0x00530600; // used for BULK IN
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}
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else if(g_bUsbDevType == USBDEVTYPE_HIDKBD)
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{
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// INT OUT,double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP1CON = 0x00430600; // used for BULK OUT
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// INT IN, double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP2CON = 0x00530600; // used for BULK IN
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}
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else if(g_bUsbDevType == USBDEVTYPE_VSP)
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{
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// BULK OUT,double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP1CON = 0x00230600;
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// BULK IN, double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP2CON = 0x00330600;
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// INT IN, double buffer disable,maxpkt=8B,clr buf 0 & 1,not STALL
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USBEP3CON = 0x00500600;
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}
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#if 0
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// BULK OUT,double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP1CON = 0x00230600; // used for BULK OUT
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// BULK IN, double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP2CON = 0x00330600; // used for BULK IN
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// INT IN, double buffer disable,maxpkt=8B,clr buf 0 & 1,not STALL
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USBEP3CON = 0x00500600; // used for INTERRUPT IN
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// BULK IN, double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP4CON = 0x00330600; // used for BULK IN
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// INT IN, double buffer disable,maxpkt=8B,clr buf 0 & 1,not STALL
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USBEP5CON = 0x00500600; // used for INTERRUPT IN
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// INT IN, double buffer disable,maxpkt=8B,clr buf 0 & 1,not STALL
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USBEP6CON = 0x00500600; // used for INTERRUPT IN
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// BULK OUT, double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP7CON = 0x00230600; // used for INTERRUPT IN
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// BULK IN, double buffer disable,maxpkt=64B,clr buf 0 & 1,not STALL
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USBEP8CON = 0x00330600; // used for INTERRUPT IN
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#endif
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usbSetMaxPktSize(0,EP0PKTSIZE);
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#if HID
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usbSetMaxPktSize(1,HIDINTPKTSIZE);
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usbSetMaxPktSize(2,HIDINTPKTSIZE);
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#endif
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#if DYNAMICFIFO
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USBBFCON |= Bit7_En;
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USBCEBF = (u32)g_abUsbEp0Buf;
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USBEP1BF = (u32)g_abUsbEp1Buf;
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USBEP2BF = (u32)g_abUsbEp2Buf;
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USBEP3BF = (u32)g_abUsbEp3Buf;
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#else
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USBBFCON &= Bit7_Dis;
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USBBFCON = (((u32)g_abUsbBuf) - USBFIFO_ADDR_START) >> 6; // set USB buf start address
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#endif
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USBDCON |= 0x00000001; // Enable EP0 interrupt
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// USBEP1CON |= Bit0_En; // Enable EP1 interrupt
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// USBEP2CON |= Bit0_En; // Enable EP2 interrupt
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// USBEP3CON |= Bit0_En; // Enable EP3 interrupt
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// USBEP4CON |= Bit0_En; // Enable EP4 interrupt
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// USBDCON |= Bit16_En; // Enable RST interrupt for debugging
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// USBDCON |= Bit17_En; // Enable Suspend interrupt for debugging
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// USBDCON |= Bit18_En; // Enable SOF interrupt for debugging
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// USBDCON = 0x7FFFF; // Enable all interrupts
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// USBDCON &= Bit16_Dis; // Disable RST interrupt for debugging
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// USBDCON &= Bit17_Dis; // Disable Suspend interrupt for debugging
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// USBDCON &= Bit18_Dis; // Disable SOF interrupt for debugging
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}
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/***************************************************************************
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* Function: usbSetMaxPktSize
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* Description: Set all EP Max packet size
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* Input: epn : the number of ep,form 0 to 8
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maxlength : the max packet length, the value can be set to 16,32,64
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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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static void usbSetMaxPktSize(u8 epn,u16 maxlength)
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{
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u32 tempUSBEPCON;
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tempUSBEPCON = USBEPCON(epn);
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tempUSBEPCON &= 0xFFF8FFFF;
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if(maxlength == 16)
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{
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tempUSBEPCON |= 0x00010000;
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}
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else if(maxlength == 64)
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{
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tempUSBEPCON |= 0x00030000;
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}
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else if(maxlength == 32)
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{
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tempUSBEPCON |= 0x00020000;
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}
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USBEPCON(epn) = tempUSBEPCON;
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}
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