/* Minimum USB interrupt handler for USB CDC */ void USB_Istr(void) { wIstr = _GetISTR(); if (wIstr & ISTR_SOF & wInterrupt_Mask) _SetISTR(CLR_SOF); if (wIstr & ISTR_CTR & wInterrupt_Mask) CTR_LP(); if (wIstr & ISTR_RESET & wInterrupt_Mask) { _SetISTR(CLR_RESET); Device_Property.Reset(); } }
/* overloaded ISR routine, this is the main usb ISR */ void __irq_usb_lp_can_rx0(void) { wIstr = _GetISTR(); /* go nuts with the preproc switches since this is an ISTR and must be FAST */ #if (ISR_MSK & ISTR_RESET) if (wIstr & ISTR_RESET & wInterrupt_Mask) { _SetISTR((u16)CLR_RESET); Device_Property.Reset(); } #endif #if (ISR_MSK & ISTR_DOVR) if (wIstr & ISTR_DOVR & wInterrupt_Mask) { _SetISTR((u16)CLR_DOVR); } #endif #if (ISR_MSK & ISTR_ERR) if (wIstr & ISTR_ERR & wInterrupt_Mask) { _SetISTR((u16)CLR_ERR); } #endif #if (ISR_MSK & ISTR_WKUP) if (wIstr & ISTR_WKUP & wInterrupt_Mask) { _SetISTR((u16)CLR_WKUP); usbResume(RESUME_EXTERNAL); } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (ISR_MSK & ISTR_SUSP) if (wIstr & ISTR_SUSP & wInterrupt_Mask) { /* check if SUSPEND is possible */ if (F_SUSPEND_ENABLED) { usbSuspend(); } else { /* if not possible then resume after xx ms */ usbResume(RESUME_LATER); } /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */ _SetISTR((u16)CLR_SUSP); } #endif #if (ISR_MSK & ISTR_SOF) if (wIstr & ISTR_SOF & wInterrupt_Mask) { _SetISTR((u16)CLR_SOF); bIntPackSOF++; } #endif #if (ISR_MSK & ISTR_ESOF) if (wIstr & ISTR_ESOF & wInterrupt_Mask) { _SetISTR((u16)CLR_ESOF); /* resume handling timing is made with ESOFs */ usbResume(RESUME_ESOF); /* request without change of the machine state */ } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (ISR_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(); /* low priority ISR defined in the usb core lib */ } #endif }
/******************************************************************************* * Function Name : USB_Istr * Description : ISTR events interrupt service routine * Input : None. * Output : None. * Return : None. *******************************************************************************/ void USB_Istr(void) { wIstr = _GetISTR(); #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 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_RESET) if (wIstr & ISTR_RESET & wInterrupt_Mask) { _SetISTR((uint16_t)CLR_RESET); Device_Property.Reset(); #ifdef RESET_CALLBACK RESET_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_DOVR) if (wIstr & ISTR_DOVR & wInterrupt_Mask) { _SetISTR((uint16_t)CLR_DOVR); #ifdef DOVR_CALLBACK DOVR_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_ERR) if (wIstr & ISTR_ERR & wInterrupt_Mask) { _SetISTR((uint16_t)CLR_ERR); #ifdef ERR_CALLBACK ERR_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_WKUP) if (wIstr & ISTR_WKUP & wInterrupt_Mask) { _SetISTR((uint16_t)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((uint16_t)CLR_SUSP); #ifdef SUSP_CALLBACK SUSP_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_SOF) if (wIstr & ISTR_SOF & wInterrupt_Mask) { _SetISTR((uint16_t)CLR_SOF); bIntPackSOF++; #ifdef SOF_CALLBACK SOF_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_ESOF) if (wIstr & ISTR_ESOF & wInterrupt_Mask) { _SetISTR((uint16_t)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 } /* USB_Istr */
/******************************************************************************* * Function Name : USB_Istr * Description : ISTR events interrupt service routine * Input : None. * Output : None. * Return : None. *******************************************************************************/ void USB_Istr(void) { uint32_t i=0; __IO uint32_t EP[8]; wIstr = _GetISTR(); #if (IMR_MSK & ISTR_SOF) if (wIstr & ISTR_SOF & wInterrupt_Mask) { _SetISTR((uint16_t)CLR_SOF); bIntPackSOF++; #ifdef SOF_CALLBACK SOF_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 /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_RESET) if (wIstr & ISTR_RESET & wInterrupt_Mask) { _SetISTR((uint16_t)CLR_RESET); Device_Property.Reset(); #ifdef RESET_CALLBACK RESET_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_DOVR) if (wIstr & ISTR_DOVR & wInterrupt_Mask) { _SetISTR((uint16_t)CLR_DOVR); #ifdef DOVR_CALLBACK DOVR_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_ERR) if (wIstr & ISTR_ERR & wInterrupt_Mask) { _SetISTR((uint16_t)CLR_ERR); #ifdef ERR_CALLBACK ERR_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_WKUP) if (wIstr & ISTR_WKUP & wInterrupt_Mask) { _SetISTR((uint16_t)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((uint16_t)CLR_SUSP); #ifdef SUSP_CALLBACK SUSP_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_ESOF) if (wIstr & ISTR_ESOF & wInterrupt_Mask) { /* clear ESOF flag in ISTR */ _SetISTR((uint16_t)CLR_ESOF); if ((_GetFNR()&FNR_RXDP)!=0) { /* increment ESOF counter */ esof_counter ++; /* test if we enter in ESOF more than 3 times with FSUSP =0 and RXDP =1=>> possible missing SUSP flag*/ if ((esof_counter >3)&&((_GetCNTR()&CNTR_FSUSP)==0)) { /* this a sequence to apply a force RESET*/ /*Store CNTR value */ wCNTR = _GetCNTR(); /*Store endpoints registers status */ for (i=0;i<8;i++) EP[i] = _GetENDPOINT(i); /*apply FRES */ wCNTR|=CNTR_FRES; _SetCNTR(wCNTR); /*clear FRES*/ wCNTR&=~CNTR_FRES; _SetCNTR(wCNTR); /*disable ESOF interrupt*/ //wCNTR &= ~CNTR_ESOFM; //_SetCNTR(wCNTR); /*poll for RESET flag in ISTR*/ while((_GetISTR()&ISTR_RESET) == 0); /* clear RESET flag in ISTR */ _SetISTR((uint16_t)CLR_RESET); /*restore Enpoints*/ for (i=0;i<8;i++) _SetENDPOINT(i, EP[i]); esof_counter = 0; } } else { esof_counter = 0; } /* resume handling timing is made with ESOFs */ Resume(RESUME_ESOF); /* request without change of the machine state */ #ifdef ESOF_CALLBACK ESOF_Callback(); #endif } #endif /*disable ESOF interrupt*/ wCNTR = _GetCNTR(); wCNTR &= ~CNTR_ESOFM; _SetCNTR(wCNTR); } /* USB_Istr */
void USB_Istr(void) { uint16_t wIstr = _GetISTR(); if (wIstr & ISTR_RESET) { _SetISTR((uint16_t)CLR_RESET); if (stm32_usbd_callback.on_reset != NULL) { stm32_usbd_callback.on_reset(stm32_usbd_callback.param); } } if (wIstr & ISTR_DOVR) { _SetISTR((uint16_t)CLR_DOVR); } if (wIstr & ISTR_ERR) { _SetISTR((uint16_t)CLR_ERR); if (stm32_usbd_callback.on_error != NULL) { stm32_usbd_callback.on_error(stm32_usbd_callback.param, USBERR_ERROR); } } if (wIstr & ISTR_WKUP) { _SetISTR((uint16_t)CLR_WKUP); if (stm32_usbd_callback.on_wakeup != NULL) { stm32_usbd_callback.on_wakeup(stm32_usbd_callback.param); } } if (wIstr & ISTR_SUSP) { if (stm32_usbd_callback.on_suspend != NULL) { stm32_usbd_callback.on_suspend(stm32_usbd_callback.param); } _SetISTR((uint16_t)CLR_SUSP); } if (wIstr & ISTR_SOF) { _SetISTR((uint16_t)CLR_SOF); if (stm32_usbd_callback.on_sof != NULL) { stm32_usbd_callback.on_sof(stm32_usbd_callback.param); } } if (wIstr & ISTR_ESOF) { _SetISTR((uint16_t)CLR_ESOF); if (stm32_usbd_callback.on_error != NULL) { stm32_usbd_callback.on_error(stm32_usbd_callback.param, USBERR_SOF_TO); } } if (wIstr & ISTR_CTR) { CTR_LP(); } }
/******************************************************************************* * Function Name : USB_Istr * Description : ISTR events interrupt service routine * Input : None. * Output : None. * Return : None. *******************************************************************************/ void USB_Istr(void) { wIstr = _GetISTR(); #if (IMR_MSK & ISTR_RESET) //如果设置了USB中断 if (wIstr & ISTR_RESET & wInterrupt_Mask) { //ISTR 程式只能清0,无法写1, //用要清除的位为0,其他位写为1 _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)//USB掛起 { /* check if SUSPEND is possible */ if (fSuspendEnabled) //usb掛起全能 { Suspend(); //直接硬件掛起 } else { //软件掛起 /* if not possible then resume after xx ms */ Resume(RESUME_LATER); // 枚举掛起 } /* 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) //帧首标志 //1ms enter one time if (wIstr & ISTR_SOF & wInterrupt_Mask) { _SetISTR((u16)CLR_SOF); bIntPackSOF++; //帧指针加一 #ifdef SOF_CALLBACK SOF_Callback(); #endif } #endif /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ #if (IMR_MSK & ISTR_ESOF) if (wIstr & ISTR_ESOF & wInterrupt_Mask) { _SetISTR((u16)CLR_ESOF); //帧期望标志 /* 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 */