From a3677612d2e3c82db89f9c0483da580322475e06 Mon Sep 17 00:00:00 2001 From: Richard Barry Date: Sun, 6 Apr 2008 09:26:51 +0000 Subject: [PATCH] Corrected SysTick interval calculation. --- Source/portable/RVDS/ARM_CM3/port.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Source/portable/RVDS/ARM_CM3/port.c b/Source/portable/RVDS/ARM_CM3/port.c index 98a404d5a..3fe98a99e 100644 --- a/Source/portable/RVDS/ARM_CM3/port.c +++ b/Source/portable/RVDS/ARM_CM3/port.c @@ -257,7 +257,7 @@ void xPortSysTickHandler( void ) void prvSetupTimerInterrupt( void ) { /* Configure SysTick to interrupt at the requested rate. */ - *(portNVIC_SYSTICK_LOAD) = configCPU_CLOCK_HZ / configTICK_RATE_HZ; + *(portNVIC_SYSTICK_LOAD) = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; *(portNVIC_SYSTICK_CTRL) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE; } /*-----------------------------------------------------------*/