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WIN32 simulator port: Allow the configTICK_RATE_HZ to be increased without making the sleep time in the simulated timer peripheral too small.

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This commit is contained in:
Richard Barry 2011-02-14 13:49:50 +00:00
parent 412c2cc9a7
commit 58a700b8f7
1 changed files with 11 additions and 2 deletions
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9
Source/portable/MSVC-MingW/port.c
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@ -129,6 +129,8 @@ extern void *pxCurrentTCB;
static DWORD WINAPI prvSimulatedPeripheralTimer( LPVOID lpParameter ) static DWORD WINAPI prvSimulatedPeripheralTimer( LPVOID lpParameter )
{ {
portTickType xMinimumWindowsBlockTime = ( portTickType ) 20;
/* Just to prevent compiler warnings. */ /* Just to prevent compiler warnings. */
( void ) lpParameter; ( void ) lpParameter;
@ -140,7 +142,14 @@ static DWORD WINAPI prvSimulatedPeripheralTimer( LPVOID lpParameter )
time, not the time that Sleep() is called. It is done this way to time, not the time that Sleep() is called. It is done this way to
prevent overruns in this very non real time simulated/emulated prevent overruns in this very non real time simulated/emulated
environment. */ environment. */
if( portTICK_RATE_MS < xMinimumWindowsBlockTime )
{
Sleep( xMinimumWindowsBlockTime );
}
else
{
Sleep( portTICK_RATE_MS ); Sleep( portTICK_RATE_MS );
}
WaitForSingleObject( pvInterruptEventMutex, INFINITE ); WaitForSingleObject( pvInterruptEventMutex, INFINITE );