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資源簡介

在STM32F103C8T6上輸出SPWM波,首先用函數生成一組正弦波數據,然后用定時器1輸出PWM波,在定時器2中斷中用生成的正弦波數據調整輸出PWM的占空比,這樣輸出的PWM波占空比就安裝正弦波的規律變化,在輸出PWM波的口外部接上電容,就可以看到輸出的方波變成了正弦波。同時外部中斷用了檢測過零點,在過零點同步輸出的正弦波。

資源截圖

代碼片段和文件信息

/**************************************************************************//**
?*?@file?????core_cm3.c
?*?@brief????CMSIS?Cortex-M3?Core?Peripheral?Access?layer?Source?File
?*?@version??V1.30
?*?@date?????30.?October?2009
?*
?*?@note
?*?Copyright?(C)?2009?ARM?Limited.?All?rights?reserved.
?*
?*?@par
?*?ARM?Limited?(ARM)?is?supplying?this?software?for?use?with?Cortex-M?
?*?processor?based?microcontrollers.??This?file?can?be?freely?distributed?
?*?within?development?tools?that?are?supporting?such?ARM?based?processors.?
?*
?*?@par
?*?THIS?SOFTWARE?IS?PROVIDED?“AS?IS“.??NO?WARRANTIES?WHETHER?EXPRESS?IMPLIED
?*?OR?STATUTORY?INCLUDING?BUT?NOT?LIMITED?TO?IMPLIED?WARRANTIES?OF
?*?MERCHANTABILITY?AND?FITNESS?FOR?A?PARTICULAR?PURPOSE?APPLY?TO?THIS?SOFTWARE.
?*?ARM?SHALL?NOT?IN?ANY?CIRCUMSTANCES?BE?LIABLE?FOR?SPECIAL?INCIDENTAL?OR
?*?CONSEQUENTIAL?DAMAGES?FOR?ANY?REASON?WHATSOEVER.
?*
?******************************************************************************/

#include?

/*?define?compiler?specific?symbols?*/
#if?defined?(?__CC_ARM???)
??#define?__ASM????????????__asm??????????????????????????????????????/*!??#define?__INLINE?????????__inline???????????????????????????????????/*!
#elif?defined?(?__ICCARM__?)
??#define?__ASM???????????__asm???????????????????????????????????????/*!??#define?__INLINE????????inline??????????????????????????????????????/*!
#elif?defined???(??__GNUC__??)
??#define?__ASM????????????__asm??????????????????????????????????????/*!??#define?__INLINE?????????inline?????????????????????????????????????/*!
#elif?defined???(??__TASKING__??)
??#define?__ASM????????????__asm??????????????????????????????????????/*!??#define?__INLINE?????????inline?????????????????????????????????????/*!
#endif


/*?###################??Compiler?specific?Intrinsics??###########################?*/

#if?defined?(?__CC_ARM???)?/*------------------RealView?Compiler?-----------------*/
/*?ARM?armcc?specific?functions?*/

/**
?*?@brief??Return?the?Process?Stack?Pointer
?*
?*?@return?ProcessStackPointer
?*
?*?Return?the?actual?process?stack?pointer
?*/
__ASM?uint32_t?__get_PSP(void)
{
??mrs?r0?psp
??bx?lr
}

/**
?*?@brief??Set?the?Process?Stack?Pointer
?*
?*?@param??topOfProcStack??Process?Stack?Pointer
?*
?*?Assign?the?value?ProcessStackPointer?to?the?MSP?
?*?(process?stack?pointer)?Cortex?processor?register
?*/
__ASM?void?__set_PSP(uint32_t?topOfProcStack)
{
??msr?psp?r0
??bx?lr
}

/**
?*?@brief??Return?the?Main?Stack?Pointer
?*
?*?@return?Main?Stack?Pointer
?*
?*?Return?the?curren

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-11-29?13:22??TIM_SinWave_Spwm2\
?????目錄???????????0??2019-11-29?13:14??TIM_SinWave_Spwm2\CORE\
?????文件???????17273??2010-06-07?10:25??TIM_SinWave_Spwm2\CORE\core_cm3.c
?????文件???????85714??2011-02-09?14:59??TIM_SinWave_Spwm2\CORE\core_cm3.h
?????文件???????15503??2011-03-10?10:52??TIM_SinWave_Spwm2\CORE\startup_stm32f10x_hd.s
?????目錄???????????0??2019-11-29?11:38??TIM_SinWave_Spwm2\HARDWARE\
?????目錄???????????0??2019-11-29?13:15??TIM_SinWave_Spwm2\HARDWARE\EXTI\
?????文件????????1347??2019-11-29?09:40??TIM_SinWave_Spwm2\HARDWARE\EXTI\exti.c
?????文件??????????90??2019-08-29?17:35??TIM_SinWave_Spwm2\HARDWARE\EXTI\exti.h
?????目錄???????????0??2019-11-29?13:15??TIM_SinWave_Spwm2\HARDWARE\LED\
?????文件?????????625??2019-11-28?17:06??TIM_SinWave_Spwm2\HARDWARE\LED\led.c
?????文件?????????141??2019-11-28?17:06??TIM_SinWave_Spwm2\HARDWARE\LED\led.h
?????目錄???????????0??2019-11-29?13:15??TIM_SinWave_Spwm2\HARDWARE\SINE\
?????文件????????2839??2019-11-29?13:02??TIM_SinWave_Spwm2\HARDWARE\SINE\sine.c
?????文件?????????280??2019-11-29?13:02??TIM_SinWave_Spwm2\HARDWARE\SINE\sine.h
?????目錄???????????0??2019-11-29?13:15??TIM_SinWave_Spwm2\HARDWARE\TIM1\
?????文件????????4783??2019-11-29?09:41??TIM_SinWave_Spwm2\HARDWARE\TIM1\timer1.c
?????文件?????????158??2019-09-05?10:02??TIM_SinWave_Spwm2\HARDWARE\TIM1\timer1.h
?????目錄???????????0??2019-11-29?13:15??TIM_SinWave_Spwm2\HARDWARE\TIM2\
?????文件????????1461??2019-11-29?09:51??TIM_SinWave_Spwm2\HARDWARE\TIM2\timer2.c
?????文件?????????111??2019-09-03?16:16??TIM_SinWave_Spwm2\HARDWARE\TIM2\timer2.h
?????文件?????????399??2011-04-23?10:24??TIM_SinWave_Spwm2\keilkilll.bat
?????目錄???????????0??2019-11-29?13:15??TIM_SinWave_Spwm2\OBJ\
?????文件???????29420??2019-11-29?13:11??TIM_SinWave_Spwm2\OBJ\LED.hex
?????文件??????????21??2018-05-31?15:07??TIM_SinWave_Spwm2\OBJ\LED.hex.asm
?????文件????????1311??2015-03-20?12:33??TIM_SinWave_Spwm2\README.TXT
?????目錄???????????0??2019-11-29?11:38??TIM_SinWave_Spwm2\STM32F10x_FWLib\
?????目錄???????????0??2019-11-29?13:15??TIM_SinWave_Spwm2\STM32F10x_FWLib\inc\
?????文件????????8982??2011-03-10?10:47??TIM_SinWave_Spwm2\STM32F10x_FWLib\inc\misc.h
?????文件???????21690??2011-03-10?10:47??TIM_SinWave_Spwm2\STM32F10x_FWLib\inc\stm32f10x_adc.h
?????文件????????7555??2011-03-10?10:47??TIM_SinWave_Spwm2\STM32F10x_FWLib\inc\stm32f10x_bkp.h
............此處省略69個文件信息

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