usb_istr.c

基于ＳＴ ＡＲＭ处理器的ＵＳＢ通信的演示

/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name          : main.c
* Author             : wuyuhuai
* Date First Issued  : 4/40/2008 : V1.0
* Description        : str training demo main file
********************************************************************************
* History:
* 10/01/2006 : V1.0
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
#include "usb_conf.h"
#include "usb_prop.h"
#include "usb_pwr.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
volatile u16 wIstr;  /* ISTR register last read value */
u16 wIstrCnt[9]={0,0,0,0,0,0,0,0,0};
typedef enum _EVCOUNT{CTRcnt,DOVRcnt,ERRcnt,WKUPcnt,SUSPcnt,RESETcnt,SOFcnt,ESOFcnt,GENERcnt} EVCOUNT;
volatile u8 bIntPackSOF=0;  /* SOFs received between 2 consecutive packets */
bool fConnected=FALSE; /* connection status */
/* Private function prototypes -----------------------------------------------*/
/* Extern function prototypes ------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

void USB_Istr(void);

/* function prototypes */
/* automatically built defining related macros */
#ifdef CTR_CALLBACK
	void CTR_Callback(void);
#endif
#ifdef DOVR_CALLBACK
	void DOVR_Callback(void);
#endif
#ifdef ERR_CALLBACK
	void ERR_Callback(void);
#endif
#ifdef WKUP_CALLBACK
	void WKUP_Callback(void);
#endif
#ifdef SUSP_CALLBACK
	void SUSP_Callback(void);
#endif
#ifdef RESET_CALLBACK
	void RESET_Callback(void);
#endif
#ifdef SOF_CALLBACK
	void SOF_Callback(void);
#endif
#ifdef ESOF_CALLBACK
	void ESOF_Callback(void);
#endif
extern void EP1_IN_Callback(void);
extern void EP2_IN_Callback(void);
extern void EP3_IN_Callback(void);
extern void EP4_IN_Callback(void);
extern void EP5_IN_Callback(void);
extern void EP6_IN_Callback(void);
extern void EP7_IN_Callback(void);
extern void EP8_IN_Callback(void);
extern void EP9_IN_Callback(void);
extern void EP10_IN_Callback(void);
extern void EP11_IN_Callback(void);
extern void EP12_IN_Callback(void);
extern void EP13_IN_Callback(void);
extern void EP14_IN_Callback(void);
extern void EP15_IN_Callback(void);


extern void EP1_OUT_Callback(void);
extern void EP2_OUT_Callback(void);
extern void EP3_OUT_Callback(void);
extern void EP4_OUT_Callback(void);
extern void EP5_OUT_Callback(void);
extern void EP6_OUT_Callback(void);
extern void EP7_OUT_Callback(void);
extern void EP8_OUT_Callback(void);
extern void EP9_OUT_Callback(void);
extern void EP10_OUT_Callback(void);
extern void EP11_OUT_Callback(void);
extern void EP12_OUT_Callback(void);
extern void EP13_OUT_Callback(void);
extern void EP14_OUT_Callback(void);
extern void EP15_OUT_Callback(void);

/* function pointers to non-control endpoints service routines */
void (*pEpInt_IN[15])(void)={
	EP1_IN_Callback,
	EP2_IN_Callback,
	EP3_IN_Callback,
	EP4_IN_Callback,
	EP5_IN_Callback,
	EP6_IN_Callback,
	EP7_IN_Callback,
	EP8_IN_Callback,
	EP9_IN_Callback,
	EP10_IN_Callback,
	EP11_IN_Callback,
	EP12_IN_Callback,
	EP13_IN_Callback,
	EP14_IN_Callback,
	EP15_IN_Callback
};

void (*pEpInt_OUT[15])(void)={
	EP1_OUT_Callback,
	EP2_OUT_Callback,
	EP3_OUT_Callback,
	EP4_OUT_Callback,
	EP5_OUT_Callback,
	EP6_OUT_Callback,
	EP7_OUT_Callback,
	EP8_OUT_Callback,
	EP9_OUT_Callback,
	EP10_OUT_Callback,
	EP11_OUT_Callback,
	EP12_OUT_Callback,
	EP13_OUT_Callback,
	EP14_OUT_Callback,
	EP15_OUT_Callback
};

/*==============================================================================*/
/* USB_Istr */
/*==============================================================================*/
void USB_Istr(void)
{

	wIstr = _GetISTR();
	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_RESET)
	if (wIstr & ISTR_RESET & wInterrupt_Mask) {
		_SetISTR((u16)CLR_RESET);
		Device_Property.Reset();
#ifdef RESET_CALLBACK
    	RESET_Callback();
#endif
	}
#endif
	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if	(IMR_MSK & ISTR_DOVR)
	if (wIstr & ISTR_DOVR & wInterrupt_Mask) {
		_SetISTR((u16)CLR_DOVR);
#ifdef DOVR_CALLBACK
		DOVR_Callback();
#endif
	}
#endif
	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if	(IMR_MSK & ISTR_ERR)
	if (wIstr & ISTR_ERR & wInterrupt_Mask) {
		_SetISTR((u16)CLR_ERR);
#ifdef ERR_CALLBACK
		ERR_Callback();
#endif
	}
#endif
	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if	(IMR_MSK & ISTR_WKUP)
	if (wIstr & ISTR_WKUP & wInterrupt_Mask) {
		_SetISTR((u16)CLR_WKUP);
		Resume(RESUME_EXTERNAL);
#ifdef WKUP_CALLBACK
		WKUP_Callback();
#endif
	}
#endif
	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if	(IMR_MSK & ISTR_SUSP)
	if (wIstr & ISTR_SUSP & wInterrupt_Mask) {

		/* check if SUSPEND is possible */
		if(fSuspendEnabled)
		{
			Suspend();
		}
		else
		{
			/* if not possible then resume after xx ms */
		    Resume(RESUME_LATER);
		}
		/* clear of the ISTR bit must be done after setting of CNTR_FSUSP */
		_SetISTR((u16)CLR_SUSP);
#ifdef SUSP_CALLBACK
		SUSP_Callback();
#endif
	}
#endif
	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_SOF)
	if (wIstr & ISTR_SOF & wInterrupt_Mask) {
		_SetISTR((u16)CLR_SOF);
		bIntPackSOF++;

#ifdef SOF_CALLBACK
		SOF_Callback();
#endif
	}
#endif
	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_ESOF)
	if (wIstr & ISTR_ESOF & wInterrupt_Mask) {
		_SetISTR((u16)CLR_ESOF);
		/* resume handling timing is made with ESOFs */
		Resume(RESUME_ESOF); /* request without change of the machine state */

#ifdef ESOF_CALLBACK
		ESOF_Callback();
#endif
	}
#endif
	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if	(IMR_MSK & ISTR_CTR)
	if (wIstr & ISTR_CTR & wInterrupt_Mask) {
			/* servicing of the endpoint correct transfer interrupt */
			/* clear of the CTR flag into the sub */
			CTR_LP();
#ifdef CTR_CALLBACK
		CTR_Callback();
#endif
	}
#endif
} /* USB_Istr */
/*==============================================================================*/
/*==============================================================================*/
#ifdef CTR_Callback
void count_CTR()
{
	wIstrCnt[CTRcnt]++;
}
#endif
/*==============================================================================*/
#ifdef DOVR_Callback
void count_DOVR()
{
	wIstrCnt[DOVRcnt]++;
}
#endif
/*==============================================================================*/
#ifdef ERR_Callback
void count_ERR()
{
	wIstrCnt[ERRcnt]++;
}
#endif
/*==============================================================================*/
#ifdef WKUP_Callback
void count_WKUP()
{
	wIstrCnt[WKUPcnt]++;
}
#endif
/*==============================================================================*/
#ifdef SUSP_Callback
void count_SUSP()
{
	wIstrCnt[SUSPcnt]++;
}
#endif
/*==============================================================================*/
#ifdef RESET_Callback
void count_RESET()
{
	wIstrCnt[RESETcnt]++;
}
#endif
/*==============================================================================*/
#ifdef SOF_Callback
void count_SOF()
{
	wIstrCnt[SOFcnt]++;
}
#endif
/*==============================================================================*/
#ifdef ESOF_Callback
void count_ESOF()
{
	wIstrCnt[ESOFcnt]++;
}
#endif

/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/