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61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
#include "stm32f10x.h"
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#include "Delay.h"
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// Parameter check macro
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#define IS_DELAY_US(TIME) (TIME < 4294967295)
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// Delay timer counter.
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static uint32_t guiDelay_us = 0x00000000;
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/************************************************************************/
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/* Function Name: DelayUs. */
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/* Purpose: Delay times(us). */
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/* Resources: Systick timer, NVIC. */
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/* Params: */
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/* @ui_Times: Delay times. */
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/* Return: */
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/* @SUCCESS Configuration successed. */
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/* Limitation: Parameter is not greater then 4294967295. */
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/************************************************************************/
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void DelayUs(uint32_t ui_Times)
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{
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// Check the parameters
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assert_param(INVAILD_DELAY_US(ui_Times));
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guiDelay_us = ui_Times;
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while(guiDelay_us);
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}
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/************************************************************************/
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/* Function Name: DelayMs. */
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/* Purpose: Delay times(ms). */
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/* Resources: Systick timer, NVIC. */
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/* Params: */
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/* @ui_Times: Delay times. */
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/* Return: */
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/* @SUCCESS Configuration successed. */
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/* Limitation: Parameter is not greater then 4294967. */
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/************************************************************************/
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void DelayMs(uint32_t ui_Times)
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{
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// Check the parameters
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assert_param(INVAILD_DELAY_MS(ui_Times));
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guiDelay_us = ui_Times * 1000;
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while(guiDelay_us);
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}
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/************************************************************************/
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/* Function Name: SystickProc. */
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/* Purpose: Delay timer process. */
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/* Resources: None. */
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/* Params: None. */
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/* Return: None. */
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/* Limitation: Neet called by systick timer interrupt. */
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/************************************************************************/
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void SystickProc(void)
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{
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if(guiDelay_us > 0)
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{
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guiDelay_us--;
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}
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}
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