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Add documentation.

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This commit is contained in:
Michael Banther
2019-10-16 11:37:27 +01:00
parent 6afb4ab7e4
commit 8820ddf269
1 changed files with 39 additions and 0 deletions
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39
lib_xua/src/hid/xua_hid.h
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@@ -3,8 +3,31 @@
#include "xud.h" #include "xud.h"
#include "xud_std_requests.h" #include "xud_std_requests.h"
/**
* \brief Calculate the next time to respond with a HID Report.
*
* If the USB Host has previously sent a valid HID Set_Idle request with
* a duration of zero or greater than the default reporting interval,
* the device sends HID Reports periodically or when the value of the
* payload has changed.
*
* This function calculates the time for sending the next periodic
* HID Report.
*/
void HidCalcNextReportTime( void ); void HidCalcNextReportTime( void );
/**
* \brief Capture the time of sending the current HID Report.
*
* If the USB Host has previously sent a valid HID Set_Idle request with
* a duration of zero or greater than the default reporting interval,
* the device sends HID Reports periodically or when the value of the
* payload has changed.
*
* This function captures the time when the HID Report was sent so that
* a subsequent call to HidCalNextReportTime() can calculate the time
* to send the next periodic HID Report.
*/
void HidCaptureReportTime( void ); void HidCaptureReportTime( void );
XUD_Result_t HidInterfaceClassRequests( XUD_Result_t HidInterfaceClassRequests(
@@ -12,4 +35,20 @@ XUD_Result_t HidInterfaceClassRequests(
XUD_ep c_ep0_in, XUD_ep c_ep0_in,
REFERENCE_PARAM( USB_SetupPacket_t, sp )); REFERENCE_PARAM( USB_SetupPacket_t, sp ));
/**
* \brief Indicate whether to send a HID Report based on elapsed time.
*
* If the USB Host has previously sent a valid HID Set_Idle request with
* a duration of zero or greater than the default reporting interval,
* the device sends HID Reports periodically or when the value of the
* payload has changed.
*
* This function monitors the passage of time and reports to the caller
* whether or not the time to send the next periodic HID Report has
* elapsed.
*
* \return A Boolean value indicating whether or not to send the HID Report.
* \retval 1 -- Do not send the HID Report
* \retval 0 -- Send the HID Report
*/
unsigned HidIsSetIdleSilenced( void ); unsigned HidIsSetIdleSilenced( void );