Michael Wei
/
GetTickCount
GetTickCount/GetTickCount.h
- Committer:
- no2chem
- Date:
- 2010-01-25
- Revision:
- 0:c162b0b96146
File content as of revision 0:c162b0b96146:
/* mbed GetTickCount Library * Copyright (c) 2010 Michael Wei */ //shouldn't have to include, but fixes weird problems with defines #include "LPC1768/LPC17xx.h" #ifndef MBED_TICKCOUNT_H #define MBED_TICKCOUNT_H extern volatile unsigned int TickCount; inline void GetTickCount_Start(void) { //CMSIS SYSTICK Config SysTick_Config(SystemCoreClock / 100); /* Generate interrupt every 10 ms */ } inline void GetTickCount_Stop(void) { SysTick->CTRL = (1 << SYSTICK_CLKSOURCE) | (0<<SYSTICK_ENABLE) | (0<<SYSTICK_TICKINT); /* Disable SysTick IRQ and SysTick Timer */ } inline void GetTickCount_Reset(void) { SysTick->CTRL = (1 << SYSTICK_CLKSOURCE) | (0<<SYSTICK_ENABLE) | (0<<SYSTICK_TICKINT); /* Disable SysTick IRQ and SysTick Timer */ TickCount = 0; SysTick->CTRL = (1 << SYSTICK_CLKSOURCE) | (1<<SYSTICK_ENABLE) | (1<<SYSTICK_TICKINT); /* Enable SysTick IRQ and SysTick Timer */ } inline unsigned int GetTickCount(void) { return TickCount; } #endif