/******************************************************************************
* Function: void interrupt USB_ISR()
* Input:
* Output: None
* Overview: The USB stat interrupt service routine
* Note: None
*****************************************************************************/
void interrupt 7 USB_ISR()
{
if(USBCTL0_LPRESF)
{
USBCTL0_USBRESMEN = 0;
}
if(INTSTAT_RESUMEF && INTENB_RESUME)
USB_WakeFrom_Suspend();
if(INTSTAT_USBRSTF && INTENB_USBRST)
{
INTSTAT = 0xBF;
if(Usb_Device_State == USB_SUSPEND)
Usb_State_Flag |= WAKE_UP_BY_RESET;
USB_Bus_Reset_Handler();
}
if(INTSTAT_SOFTOKF && INTENB_SOFTOK)
{
USB_SOF_Handler();
}
if(INTSTAT_STALLF && INTENB_STALL )
USB_Stall_Handler();
if(INTSTAT_ERRORF && INTENB_ERROR)
USB_Error_Handler();
if(INTSTAT_SLEEPF && INTENB_SLEEP)
{
INTSTAT_SLEEPF = 1;
USBCTL0_USBRESMEN = 1;
Old_Usb_State = Usb_Device_State ;
Usb_Device_State = USB_ENTER_SUSPEND; /*do not hope enter into suspend */
}
if(INTSTAT_TOKDNEF && INTENB_TOKDNE)
{
USB_Transaction_Handler();
INTSTAT_TOKDNEF = 1; /*write 1 to clear*/
}
return;
}
void USB_ISR(void)
{
*pu8trace++=0xCC;
//PMC_VLPR_Exit();
FLAG_SET(1,GPIOC_PDOR);
if(FLAG_CHK(USB_ISTAT_USBRST_SHIFT,USB0_ISTAT))
{
// Clear Reset Flag
//USB_ISTAT = USB_ISTAT_USBRST_MASK;
// Handle RESET Interrupt
USB_Reset_Handler();
// Clearing this bit allows the SIE to continue token processing
// and clear suspend condition
//CTL_TXSUSPEND_TOKENBUSY = 0;
//FLAG_CLR(USB_CTL_TXSUSPENDTOKENBUSY_SHIFT,USB_CTL);
// No need to process other interrupts
//return;
}
if(FLAG_CHK(USB_ISTAT_SOFTOK_SHIFT,USB0_ISTAT))
{
USB0_ISTAT = USB_ISTAT_SOFTOK_MASK;
}
if(FLAG_CHK(USB_ISTAT_STALL_SHIFT,USB0_ISTAT))
//if(INT_STAT_STALL && INT_ENB_STALL_EN )
{
USB_Stall_Handler();
}
if(FLAG_CHK(USB_ISTAT_TOKDNE_SHIFT,USB0_ISTAT))
{
FLAG_SET(USB_CTL_ODDRST_SHIFT,USB0_CTL);
USB_Handler();
FLAG_SET(USB_ISTAT_TOKDNE_SHIFT,USB0_ISTAT);
}
if(FLAG_CHK(USB_ISTAT_SLEEP_SHIFT,USB0_ISTAT))
//if(INT_STAT_SLEEP && INT_ENB_SLEEP_EN_MASK)
{
// Clear RESUME Interrupt if Pending
//INT_STAT = INT_STAT_RESUME_MASK;
//u8ISRCounter++;
//FLAG_SET(USB_ISTAT_RESUME_SHIFT,USB_ISTAT);
// Clear SLEEP Interrupt
FLAG_SET(USB_ISTAT_SLEEP_SHIFT,USB0_ISTAT);
//INT_STAT = INT_STAT_SLEEP_MASK;
//FLAG_SET(USB_INTEN_RESUME_SHIFT,USB_ISTAT);
//INT_ENB_RESUME_EN = 1;
}
if(FLAG_CHK(USB_ISTAT_ERROR_SHIFT,USB0_ISTAT))
//if(INT_STAT_ERROR && INT_ENB_ERROR_EN )
{
FLAG_CHK(USB_ISTAT_ERROR_SHIFT,USB0_ISTAT);
//printf("\nUSB Error\n");
//INT_STAT_ERROR=1;
}
}
