41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
#ifndef __DELAY_H__
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#define __DELAY_H__
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#include "stm32f10x_conf.h"
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#include "stm32f10x.h"
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#define MODE USE_DWT
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#define USE_SYS_TICK 0
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#define USE_DWT 1
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// 0xE000EDFC DEMCR RW Debug Exception and Monitor Control Register.
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#define DEMCR ( *(__IO uint32_t *)0xE000EDFC )
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#define TRCENA ( 0x01 << 24) // DEMCR的DWT使能位
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#define DBGMCU_CR *(__IO uint32_t *)0xE0042004 //MCU调试模块控制寄存器，详细内容参考《stm32中文参考手册》调试支持（DBG）章节，747页
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// 0xE0001000 DWT_CTRL RW The Debug Watchpoint and Trace (DWT) unit
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#define DWT_CTRL ( *(__IO uint32_t *)0xE0001000 )
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#define DWT_CTRL_CYCCNTENA ( 0x01 << 0 ) // DWT的SYCCNT使能位
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// 0xE0001004 DWT_CYCCNT RW Cycle Count register,
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#define DWT_CYCCNT ( *(__IO uint32_t *)0xE0001004) // 显示或设置处理器的周期计数值
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//#define DWT_DELAY_mS(mSec) DWT_DELAY_uS(mSec*1000)
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typedef struct {
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uint8_t ucFacUs;
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int16_t usFacMs;
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} UcFacInit_t;
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static UcFacInit_t xUcFacInit = {
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.ucFacUs = 0,
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.usFacMs = 0
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};
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void vDelayInit(void);
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void vDelayUs(uint32_t ulNus);
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void vDelayMs(uint16_t usNms);
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#endif
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