?? usblib.c
字號(hào):
/*************************************************************************/
/* */
/* Copyright Shenzhen Watertek S.&T. Co.,Ltd 2002 */
/* All Rights Reserved. */
/* */
/* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */
/* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */
/* SUBJECT TO LICENSE TERMS. */
/* */
/*************************************************************************/
/*************************************************************************/
/* */
/* FILE NAME VERSION */
/* */
/* USBlib.c S3c2410 USB device 1.0*/
/* */
/* */
/* DESCRIPTION */
/* */
/* This file contains constants used in the USB protocol */
/* AUTHOR */
/* Zhi-gang yang shenzhen watertek */
/* */
/* */
/* DATA STRUCTURES */
/* */
/* None */
/* */
/* FUNCTIONS */
/* */
/* None */
/* */
/* DEPENDENCIES */
/* string.h */
/* option.h */
/* 2410addr.h */
/* def.h */
/* 2410usb.h */
/* usbmain.h */
/* usblib.h */
/* usbsetup.h */
/* usbmain.h */
/* */
/* HISTORY */
/* */
/* DATE REMARKS */
/* */
/* 2004-12-22 Created initial version 1.0 */
/*************************************************************************/
#include <string.h>
#include "option.h"
#include "2410addr.h"
#include "def.h"
#include "2410usb.h"
#include "usbmain.h"
#include "usblib.h"
#include "usbsetup.h"
#include "usbmain.h"
/*************************************************************************/
/* */
/* FUNCTION */
/* */
/* ConfigUsbd */
/* */
/* DESCRIPTION */
/* */
/* config usb device function */
/* */
/* AUTHOR */
/* */
/* Zhi-gang Yang shenzhen watertek */
/* */
/* INPUTS */
/* None */
/* */
/* OUTPUTS */
/* */
/* None */
/* */
/* HISTORY */
/* */
/* DATE REMARKS */
/* */
/* 2004-12-28 Created initial version 1.0 */
/*************************************************************************/
void ConfigUsbd(void)
{
//reconfig usb device
ReconfigUsbd();
//enable usb device interrupt
rINTMSK&=~(BIT_USBD);
}
/*************************************************************************/
/* */
/* FUNCTION */
/* */
/* ReconfigUsbd */
/* */
/* DESCRIPTION */
/* */
/* config usb device function */
/* */
/* AUTHOR */
/* */
/* Zhi-gang Yang shenzhen watertek */
/* */
/* INPUTS */
/* None */
/* */
/* OUTPUTS */
/* */
/* None */
/* */
/* HISTORY */
/* */
/* DATE REMARKS */
/* */
/* 2004-12-28 Created initial version 1.0 */
/*************************************************************************/
void ReconfigUsbd(void)
{
// *** End point information ***
// EP0: control
// EP1: bulk in end point
// EP2: not used
// EP3: bulk out end point
// EP4: not used
rPWR_REG=PWR_REG_DEFAULT_VALUE; //disable suspend mode
rINDEX_REG=0;
rMAXP_REG=FIFO_SIZE_8; //EP0 max packit size = 8
rEP0_CSR=EP0_SERVICED_OUT_PKT_RDY|EP0_SERVICED_SETUP_END;
//EP0:clear OUT_PKT_RDY & SETUP_END
rINDEX_REG=1;
#if (EP1_PKT_SIZE==32)
rMAXP_REG=FIFO_SIZE_32; //EP1:max packit size = 32
#else
rMAXP_REG=FIFO_SIZE_64; //EP1:max packit size = 64
#endif
rIN_CSR1_REG=EPI_FIFO_FLUSH|EPI_CDT;
rIN_CSR2_REG=EPI_MODE_IN|EPI_IN_DMA_INT_MASK|EPI_BULK; //IN mode, IN_DMA_INT=masked
rOUT_CSR1_REG=EPO_CDT;
rOUT_CSR2_REG=EPO_BULK|EPO_OUT_DMA_INT_MASK;
rINDEX_REG=2;
rMAXP_REG=FIFO_SIZE_64; //EP2:max packit size = 64
rIN_CSR1_REG=EPI_FIFO_FLUSH|EPI_CDT|EPI_BULK;
rIN_CSR2_REG=EPI_MODE_IN|EPI_IN_DMA_INT_MASK; //IN mode, IN_DMA_INT=masked
rOUT_CSR1_REG=EPO_CDT;
rOUT_CSR2_REG=EPO_BULK|EPO_OUT_DMA_INT_MASK;
rINDEX_REG=3;
#if (EP3_PKT_SIZE==32)
rMAXP_REG=FIFO_SIZE_32; //EP3:max packit size = 32
#else
rMAXP_REG=FIFO_SIZE_64; //EP3:max packit size = 64
#endif
rIN_CSR1_REG=EPI_FIFO_FLUSH|EPI_CDT|EPI_BULK;
rIN_CSR2_REG=EPI_MODE_OUT|EPI_IN_DMA_INT_MASK; //OUT mode, IN_DMA_INT=masked
rOUT_CSR1_REG=EPO_CDT;
//clear OUT_PKT_RDY, data_toggle_bit.
//The data toggle bit should be cleared when initialization.
rOUT_CSR2_REG=EPO_BULK|EPO_OUT_DMA_INT_MASK;
rINDEX_REG=4;
rMAXP_REG=FIFO_SIZE_64; //EP4:max packit size = 64
rIN_CSR1_REG=EPI_FIFO_FLUSH|EPI_CDT|EPI_BULK;
rIN_CSR2_REG=EPI_MODE_OUT|EPI_IN_DMA_INT_MASK; //OUT mode, IN_DMA_INT=masked
rOUT_CSR1_REG=EPO_CDT;
//clear OUT_PKT_RDY, data_toggle_bit.
//The data toggle bit should be cleared when initialization.
rOUT_CSR2_REG=EPO_BULK|EPO_OUT_DMA_INT_MASK;
rEP_INT_REG=EP0_INT|EP1_INT|EP2_INT|EP3_INT|EP4_INT;
rUSB_INT_REG=RESET_INT|SUSPEND_INT|RESUME_INT;
//Clear all usbd pending bits
//EP0,1,3 & reset interrupt are enabled
rEP_INT_EN_REG=EP0_INT|EP1_INT|EP3_INT;
rUSB_INT_EN_REG=RESET_INT;
ep0State=EP0_STATE_INIT;
}
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