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    文件類型: .rar
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    發布日期: 2023-10-29
  • 語言: 其他
  • 標簽: STM32??

資源簡介

STM32定時器利用主從方式的門控模式輸出可控個數的PWM脈沖

資源截圖

代碼片段和文件信息

#include?“stm32f10x.h“
#include?“timer.h“

//==============================
//
// 配置中斷向量表及優先級
//
//==============================
void?NVIC_Config(void)
{
NVIC_InitTypeDef?NVIC_InitStructure;

#ifdef??VECT_TAB_RAM
??NVIC_SetVectorTable(NVIC_VectTab_RAM?0x0);
#else??
??NVIC_SetVectorTable(NVIC_VectTab_FLASH?0x0);
#endif


NVIC_InitStructure.NVIC_IRQChannel?=?TIM3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority?=?0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority?=?0;
NVIC_InitStructure.NVIC_IRQChannelCmd?=?ENABLE;
NVIC_Init(&NVIC_InitStructure);

}

void?GPIO_Config(void)
{?
????GPIO_InitTypeDef?GPIO_InitStructure;?

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA?|?RCC_APB2Periph_AFIO?ENABLE);?
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2?|?RCC_APB1Periph_TIM3?ENABLE);?

????/*?Timer2?Channel?1?PA0?*/?
????GPIO_InitStructure.GPIO_Pin?=??GPIO_Pin_0;?
????GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AF_PP;?
????GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;?
????GPIO_Init(GPIOA?&GPIO_InitStructure);?
}?



//================================================================================
void?TIM2_Master__TIM3_Slave_Configuration(u32?PulseFrequency)?
{?
TIM_TimebaseInitTypeDef?TIM_TimebaseStructure;?
TIM_OCInitTypeDef?TIM_OCInitStructure;?

u16?nPDTemp?;?

TIM_Cmd(TIM2?DISABLE);?
nPDTemp?=?72000UL/PulseFrequency;? ???//?更改頻率時,注意處理72000UL及TIM_Prescaler,使TIM_Period不要超過0xFFFF

//?時基配置:配置PWM輸出定時器——TIM2?
/*?Time?base?configuration?*/?
TIM_TimebaseStructure.TIM_Period?=?nPDTemp-1;?
TIM_TimebaseStructure.TIM_Prescaler?=?999;?
TIM_TimebaseStructure.TIM_ClockDivision?=?0;?
TIM_TimebaseStructure.TIM_CounterMode?=?TIM_CounterMode_Up;?
TIM_TimebaseStructure.TIM_RepetitionCounter?=?0;?
TIM_TimebaseInit(TIM2?&TIM_TimebaseStructure);?

//?輸出配置:配置PWM輸出定時器——TIM2?
/*?PWM1?Mode?configuration:?Channel1?*/????
TIM_OCInitStructure.TIM_OCMode?=?TIM_OCMode_PWM1;?
TIM_OCInitStructure.TIM_OCPolarity?=?TIM_OCPolarity_High;?
TIM_OCInitStructure.TIM_OutputState?=?TIM_OutputState_Enable;?
TIM_OCInitStructure.TIM_Pulse?=?nPDTemp>>1;//50%?
TIM_OC1Init(TIM2?&TIM_OCInitStructure);?
TIM_OC1PreloadConfig(TIM2?TIM_OCPreload_Enable);?
TIM_ARRPreloadConfig(TIM2?ENABLE);?


//?時基配置:配置脈沖計數寄存器——TIM3?
TIM_TimebaseStructure.TIM_Period?=?0xFFFF;? ?????
TIM_TimebaseStructure.TIM_Prescaler?=?0;?
TIM_TimebaseStructure.TIM_ClockDivision?=?0;?
TIM_TimebaseStructure.TIM_CounterMode?=?TIM_CounterMode_Up;?
TIM_TimebaseStructure.TIM_RepetitionCounter?=?0;?
TIM_TimebaseInit(TIM3?&TIM_TimebaseStructure);?

//?Output?Compare?Active?Mode?configuration:?Channel1?
TIM_OCInitStructure.TIM_OCMode?=?TIM_OCMode_Inactive;?
TIM_OCInitStructure.TIM_OCPolarity?=?TIM_OCPolarity_High;?
TIM_OCInitStructure.TIM_OutputState?=?TIM_OutputState_Enable;?
TIM_OCInitStructure.TIM_Pulse?=?0xFFFF;?//?這里的配置值意義不大???
TIM_OC1Init(TIM3?&TIM_OCInitStructure);?


//?配置TIM2為主定

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????312692??2016-05-17?21:40??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.axf

?????文件??????19377??2016-05-17?21:40??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.hex

?????文件??????54816??2016-05-17?21:40??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.htm

?????文件??????16384??2012-05-23?16:05??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.IAB

?????文件????????488??2012-05-23?16:05??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.IAD

?????文件???????8192??2012-05-23?16:05??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.IMB

?????文件????????408??2012-05-23?16:05??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.IMD

?????文件????????392??2016-05-17?21:40??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.lnp

?????文件??????40682??2016-05-17?21:40??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.map

?????文件?????????92??2012-05-23?16:08??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.PFI

?????文件???????1757??2012-11-03?09:36??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.plg

?????文件????????776??2012-05-23?16:08??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.PO

?????文件???????8936??2012-05-23?16:02??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.PR

?????文件??????47064??2012-05-23?16:05??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.PRI

?????文件??????47640??2012-05-23?16:25??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.PS

?????文件????????479??2016-05-17?21:37??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.sct

?????文件???????1381??2016-05-17?21:40??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.tra

?????文件??????71224??2015-06-25?21:55??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.uvgui.Administrator

????.......????140662??2016-11-17?16:44??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.uvgui.lxy

????.......????140659??2016-10-14?14:07??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.uvgui_lxy.bak

????.......?????13780??2016-11-17?16:44??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.uvopt

????.......?????16975??2016-05-17?21:57??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.uvproj

?????文件??????11574??2012-05-23?16:25??定時器主從方式輸出可控個數的PWM脈沖\AllInOne.WK3

?????文件??????11991??2016-11-17?16:44??定時器主從方式輸出可控個數的PWM脈沖\AllInOne_AllInOne.dep

????.......???????479??2012-05-05?17:26??定時器主從方式輸出可控個數的PWM脈沖\AllInOne_sct.Bak

?????文件????????268??2012-05-04?16:27??定時器主從方式輸出可控個數的PWM脈沖\AllInOne_Target?1.dep

????.......?????13779??2016-10-14?14:07??定時器主從方式輸出可控個數的PWM脈沖\AllInOne_uvopt.bak

????.......?????16906??2015-06-25?21:55??定時器主從方式輸出可控個數的PWM脈沖\AllInOne_uvproj.bak

?????文件???????3603??2016-05-17?17:24??定時器主從方式輸出可控個數的PWM脈沖\core_cm3.crf

?????文件????????112??2016-05-17?17:24??定時器主從方式輸出可控個數的PWM脈沖\core_cm3.d

............此處省略206個文件信息

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