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28 lines
532 B
C
28 lines
532 B
C
#include "systick.h"
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volatile uint32_t SysTickCnt;
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void SysTick_Handler()
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{
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// SysTick_Handler increments SysTickCnt
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SysTickCnt++;
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}
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void systick_init(void)
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{
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// Init the systick clocks to a T = 1 ms
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RCC_ClocksTypeDef clocks;
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RCC_GetClocksFreq(&clocks);
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SysTick_Config(clocks.HCLK_Frequency/1000 - 1);
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// Set count to 0
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SysTickCnt = 0;
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}
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void Wait(uint32_t ms)
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{
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// Wait specified time in milliseconds
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uint32_t SysTickCntHold = SysTickCnt;
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while((SysTickCnt - SysTickCntHold) <= ms);
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}
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