📄 usb_req.pp
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/* DevNum: USB device number, enumerated data type of USB_DevNum. */
/* Only USB0 is active currently */
/* */
/* */
/* */
/* */
/* */
/* */
/*============================================================================*/
/* Return Value: */
/* */
/* None */
/* */
/*============================================================================*/
/* Comments: */
/* */
/* */
/* */
/*============================================================================*/
/* History: */
/* */
/* Created: 30 Mar 2001 */
/* */
/******************************************************************************/
extern void USB_connectDev(USB_DevNum DevNum);
/******************************************************************************/
/* Name : USB_disconnectDev */
/* */
/* Catagory : Device Control */
/* */
/* Purpose : Disconnect the USB module from the upstream port */
/* (D+ pullup disabled) */
/* */
/* */
/* Author : MH */
/* */
/* Based on : */
/* */
/* */
/*============================================================================*/
/* Arguments: */
/* */
/* DevNum: USB device number, enumerated data type of USB_DevNum. */
/* Only USB0 is active currently */
/* */
/* */
/* */
/* */
/* */
/* */
/*============================================================================*/
/* Return Value: */
/* */
/* None */
/* */
/*============================================================================*/
/* Comments: */
/* */
/* */
/* */
/*============================================================================*/
/* History: */
/* */
/* Created: 30 Mar 2001 */
/* */
/******************************************************************************/
extern void USB_disconnectDev(USB_DevNum DevNum);
/******************************************************************************/
/* Name : USB_issueRemoteWakeup */
/* */
/* Catagory : Device Control */
/* */
/* Purpose : Issue a remote wakeup signal to the host. */
/* */
/* */
/* Author : MH */
/* */
/* Based on : */
/* */
/* */
/*============================================================================*/
/* Arguments: */
/* */
/* DevNum: USB device number, enumerated data type of USB_DevNum. */
/* Only USB0 is active currently */
/* */
/* */
/* */
/* */
/* */
/*============================================================================*/
/* Return Value: */
/* */
/* USB_TRUE if successfull, else USB_FASLE (specailly if remote wakeup feature*/
/* is not set prior to calling this function) */
/* */
/*============================================================================*/
/* Comments: */
/* */
/* The USB driver will generate a remote wakeup signal on the bus if and only */
/* if the remote wakeup is enabled. User's application must enable the remote*/
/* wakeup feature by calling the USB_setRemoteWakeup( ) routine if a Set */
/* Remote Wakeup request is received from the host. */
/* */
/*============================================================================*/
/* History: */
/* */
/* Created: 30 Mar 2001 */
/* */
/******************************************************************************/
extern USB_Boolean USB_issueRemoteWakeup(USB_DevNum DevNum);
/******************************************************************************/
/* Name : USB_setRemoteWakeup */
/* */
/* Catagory : Software Control */
/* */
/* Purpose : Set or clear Remote Wakeup Feature */
/* */
/* */
/* Author : MH */
/* */
/* Based on : */
/* */
/* */
/*============================================================================*/
/* Arguments: */
/* */
/* DevNum: USB device number, enumerated data type of USB_DevNum. */
/* Only USB0 is active currently */
/* */
/* RmtWkpStat: If USB_TRUE the driver will set remote wakeup feature */
/* and a subsequent call to USB_issueRemoteWakeup( ) will cause */
/* the driver to generate a remote signal on the bus */
/* */
/* If USB_FALSE the driver will clear remote wakeup feature */
/* and a subsequent call to USB_issueRemoteWakeup( ) will not */
/* generate a remote signal on the bus */
/* */
/* */
/* */
/*============================================================================*/
/* Return Value: */
/* */
/* None */
/* */
/*============================================================================*/
/* Comments: */
/* */
/* Host must set the remote wake up feature first. An application must verify */
/* if the remote wake-up feature is set before generating a remote wake-up */
/* signal. */
/* */
/*============================================================================*/
/* History: */
/* */
/* Created: 31 Mar 2001 */
/* */
/******************************************************************************/
extern void USB_setRemoteWakeup(USB_DevNum DevNum, USB_Boolean RmtWkpStat);
/******************************************************************************/
/* Name : USB_getRemoteWakeupStat */
/* */
/* Catagory : Status / Query */
/* */
/* Purpose : get the status of the Remote Wakeup Feature (whether the */
/* the feature is set or clear in the software) */
/* */
/* */
/* Author : MH */
/* */
/* Based on : */
/* */
/* */
/*============================================================================*/
/* Arguments: */
/* */
/* DevNum: USB device number, enumerated data type of USB_DevNum. */
/* Only USB0 is active currently */
/* */
/*============================================================================*/
/* Return Value: */
/* */
/* USB_TRUE if the Remote Wakeup Feature is enabled in the software. */
/* USB_FALSE if the Remote Wakeup Feature is disabled in the software. */
/* */
/*============================================================================*/
/* Comments: */
/* */
/* An application must verify if the remote wakeup feature is set by the host */
/* before calling USB_issueRemoteWakeup( ) */
/* */
/*============================================================================*/
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