From: richardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Mon, 14 Feb 2011 13:49:50 +0000 (+0000)
Subject: WIN32 simulator port:  Allow the configTICK_RATE_HZ to be increased without making... 
X-Git-Tag: V7.0.0~51
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=c7531337cd0c1dc063386fa75fe8fff0a2197e73;p=freertos

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

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@1298 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---

diff --git a/Source/portable/MSVC-MingW/port.c b/Source/portable/MSVC-MingW/port.c
index 619fb338b..c50383f99 100644
--- a/Source/portable/MSVC-MingW/port.c
+++ b/Source/portable/MSVC-MingW/port.c
@@ -129,6 +129,8 @@ extern void *pxCurrentTCB;
 
 static DWORD WINAPI prvSimulatedPeripheralTimer( LPVOID lpParameter )
 {
+portTickType xMinimumWindowsBlockTime = ( portTickType ) 20;
+
 	/* Just to prevent compiler warnings. */
 	( void ) lpParameter;
 
@@ -140,8 +142,15 @@ static DWORD WINAPI prvSimulatedPeripheralTimer( LPVOID lpParameter )
 		time, not the time that Sleep() is called.  It is done this way to 
 		prevent overruns in this very non real time simulated/emulated 
 		environment. */
-		Sleep( portTICK_RATE_MS );
-
+		if( portTICK_RATE_MS < xMinimumWindowsBlockTime )
+		{
+			Sleep( xMinimumWindowsBlockTime );
+		}
+		else
+		{
+			Sleep( portTICK_RATE_MS );
+		}
+	
 		WaitForSingleObject( pvInterruptEventMutex, INFINITE );
 
 		/* The timer has expired, generate the simulated tick event. */