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Added alternative hidIsGetIdleSilenced function

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xmos-jenkins
2022-01-11 11:23:28 +00:00
parent 4f35551547
commit 9f667d96f8
1 changed files with 26 additions and 6 deletions
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32
lib_xua/src/hid/hid.xc
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@@ -37,20 +37,40 @@ XUD_Result_t HidInterfaceClassRequests(
unsigned HidIsSetIdleSilenced( const unsigned id ) unsigned HidIsSetIdleSilenced( const unsigned id )
{ {
unsigned isSilenced = hidIsIdleActive( id );
if( !isSilenced ) {
unsigned currentTime; unsigned currentTime;
// Use inline assembly to access the time without creating a side-effect. // Use inline assembly to access the time without creating a side-effect.
// The mapper complains if the time comes from an XC timer because this function is called in the guard of a select case. // The mapper complains if the time comes from an XC timer because this function is called in the guard of a select case.
// Appearently the use of a timer creates a side-effect that prohibits the operation of the select functionality. // Appearently the use of a timer creates a side-effect that prohibits the operation of the select functionality.
asm volatile( "gettime %0" : "=r" ( currentTime )); asm volatile( "gettime %0" : "=r" ( currentTime ));
isSilenced = ( 0U == hidGetReportPeriod( id ) || ( timeafter( hidGetNextReportTime( id ), currentTime )));
}
return isSilenced; unsigned isSilenced = timeafter(hidGetNextReportTime( id ), currentTime);
// Calling hidGetReportPeriod with an ID of 0 is meaningless if we are using
// report IDs.
if (!hidIsReportIdInUse() || (id != 0))
{
isSilenced |= ( 0U == hidGetReportPeriod( id ) );
}
return isSilenced;
} }
//unsigned HidIsSetIdleSilenced( const unsigned id )
//{
// unsigned isSilenced = hidIsIdleActive( id );
//
// if( !isSilenced ) {
// unsigned currentTime;
// // Use inline assembly to access the time without creating a side-effect.
// // The mapper complains if the time comes from an XC timer because this function is called in the guard of a select case.
// // Appearently the use of a timer creates a side-effect that prohibits the operation of the select functionality.
// asm volatile( "gettime %0" : "=r" ( currentTime ));
// isSilenced = ( 0U == hidGetReportPeriod( id ) || ( timeafter( hidGetNextReportTime( id ), currentTime )));
// }
//
// return isSilenced;
//}
/** /**
* \brief Calculate the timer value for sending the next HID Report. * \brief Calculate the timer value for sending the next HID Report.
* *