/*************************************************************************
* Function Name: UsbWakeUp
* Parameters: none
*
* Return: none
*
* Description: Wake-up device from suspend mode
*
*************************************************************************/
void UsbWakeUp (void)
{
if(UsbDevCtrl.Feature.RemoteWakeupEnable && UsbDevCtrl.State.Suspend)
{
USB_WakeUp();
}
}
/******************************************************************************
* Function: void USB_Suspend(void)
* PreCondition: None
* Input: None
* Output: None
* Side Effects: None
* Overview: After 3ms of USB bus idle status, the SLEEPF will be set,
* The firmware should enable the resume function in 7ms before
* the USB enters into suspend state.
* Note: None
*****************************************************************************/
void USB_Suspend(void)
{
unsigned char Result;
//INTENB_RESUME = 1;
USBCTL0_USBRESMEN = 1;
//INTSTAT_SLEEPF = 1;
//RTC_DISBALE();
Usb_Device_State = USB_SUSPEND;
do
{
Result = USB_WakeUp() ;
}while(!Result);
//USBCTL0_USBRESMEN = 0;
if(Result == 2)
USB_Remote_Wakeup();
Usb_Device_State = Old_Usb_State;
//RTC_ENABLE();
return;
}
void USB_LP_IRQHandler (void) {
U32 istr, num, val;
istr = ISTR;
/* USB Reset Request */
if (istr & ISTR_RESET) {
USB_Reset();
#if USB_RESET_EVENT
USB_Reset_Event();
#endif
ISTR = ~ISTR_RESET;
}
/* USB Suspend Request */
if (istr & ISTR_SUSP) {
USB_Suspend();
#if USB_SUSPEND_EVENT
USB_Suspend_Event();
#endif
ISTR = ~ISTR_SUSP;
}
/* USB Wakeup */
if (istr & ISTR_WKUP) {
USB_WakeUp();
#if USB_RESUME_EVENT
USB_Resume_Event();
#endif
ISTR = ~ISTR_WKUP;
}
/* Start of Frame */
if (istr & ISTR_SOF) {
#if USB_SOF_EVENT
USB_SOF_Event();
#endif
ISTR = ~ISTR_SOF;
}
#if USB_ERROR_EVENT
/* PMA Over/underrun */
if (istr & ISTR_PMAOVR) {
USB_Error_Event(1);
ISTR = ~ISTR_PMAOVR;
}
/* Error: No Answer, CRC Error, Bit Stuff Error, Frame Format Error */
if (istr & ISTR_ERR) {
USB_Error_Event(0);
ISTR = ~ISTR_ERR;
}
#endif
/* Endpoint Interrupts */
while ((istr = ISTR) & ISTR_CTR) {
ISTR = ~ISTR_CTR;
num = istr & ISTR_EP_ID;
val = EPxREG(num);
if (val & EP_CTR_RX) {
EPxREG(num) = val & ~EP_CTR_RX & EP_MASK;
if (USB_P_EP[num]) {
if (val & EP_SETUP) {
USB_P_EP[num](USB_EVT_SETUP);
} else {
USB_P_EP[num](USB_EVT_OUT);
}
}
}
if (val & EP_CTR_TX) {
EPxREG(num) = val & ~EP_CTR_TX & EP_MASK;
if (USB_P_EP[num]) {
USB_P_EP[num](USB_EVT_IN);
}
}
}
}
void
CmtUsbDev::IrqHandler() {
uint32 istr, num, val;
istr = ISTR;
/* USB Reset Request */
if (istr & ISTR_RESET) {
USB_Reset();
ISTR = ~ISTR_RESET;
}
/* USB Suspend Request */
if (istr & ISTR_SUSP) {
USB_Suspend();
ISTR = ~ISTR_SUSP;
}
/* USB Wakeup */
if (istr & ISTR_WKUP) {
USB_WakeUp();
ISTR = ~ISTR_WKUP;
}
/* Start of Frame */
if (istr & ISTR_SOF) {
USB_StartOfFrame();
ISTR = ~ISTR_SOF;
}
/* PMA Over/underrun */
if (istr & ISTR_PMAOVR) {
USB_Error(1);
ISTR = ~ISTR_PMAOVR;
}
/* Error: No Answer, CRC Error, Bit Stuff Error, Frame Format Error */
if (istr & ISTR_ERR) {
USB_Error(0);
ISTR = ~ISTR_ERR;
}
/* Endpoint Interrupts */
while( (istr = ISTR) & ISTR_CTR) {
ISTR = ~ISTR_CTR;
num = istr & ISTR_EP_ID;
val = EPxREG(num);
if (val & EP_CTR_RX) {
EPxREG(num) = val & ~EP_CTR_RX & EP_MASK;
switch( num ) {
case 0 : EndPoint0( val & EP_SETUP ? USB_EVT_SETUP : USB_EVT_OUT ); break;
case 1 : EndPoint1( USB_EVT_OUT ); break;
case 2 : EndPoint2( USB_EVT_OUT ); break;
case 3 : EndPoint3( USB_EVT_OUT ); break;
case 4 : EndPoint4( USB_EVT_OUT ); break;
case 5 : EndPoint5( USB_EVT_OUT ); break;
case 6 : EndPoint6( USB_EVT_OUT ); break;
case 7 : EndPoint7( USB_EVT_OUT ); break;
case 8 : EndPoint8( USB_EVT_OUT ); break;
case 9 : EndPoint9( USB_EVT_OUT ); break;
case 10 : EndPoint10( USB_EVT_OUT ); break;
case 11 : EndPoint11( USB_EVT_OUT ); break;
case 12 : EndPoint12( USB_EVT_OUT ); break;
case 13 : EndPoint13( USB_EVT_OUT ); break;
case 14 : EndPoint14( USB_EVT_OUT ); break;
case 15 : EndPoint15( USB_EVT_OUT ); break;
}
}
if (val & EP_CTR_TX) {
EPxREG(num) = val & ~EP_CTR_TX & EP_MASK;
switch( num ) {
case 0 : EndPoint0( USB_EVT_IN ); break;
case 1 : EndPoint1( USB_EVT_IN ); break;
case 2 : EndPoint2( USB_EVT_IN ); break;
case 3 : EndPoint3( USB_EVT_IN ); break;
case 4 : EndPoint4( USB_EVT_IN ); break;
case 5 : EndPoint5( USB_EVT_IN ); break;
case 6 : EndPoint6( USB_EVT_IN ); break;
case 7 : EndPoint7( USB_EVT_IN ); break;
case 8 : EndPoint8( USB_EVT_IN ); break;
case 9 : EndPoint9( USB_EVT_IN ); break;
case 10 : EndPoint10( USB_EVT_IN ); break;
case 11 : EndPoint11( USB_EVT_IN ); break;
case 12 : EndPoint12( USB_EVT_IN ); break;
case 13 : EndPoint13( USB_EVT_IN ); break;
case 14 : EndPoint14( USB_EVT_IN ); break;
case 15 : EndPoint15( USB_EVT_IN ); break;
}
}
}
}
