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stm32模擬I2C接口操作HMC5883L實現方向角的測算,絕對不是gps程序,這是數字羅盤!
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??2014-03-17?21:07??HMC5883L_STM32\
?????目錄???????????0??2014-03-17?20:19??HMC5883L_STM32\CMISIS\
?????文件???????17273??2012-06-27?16:31??HMC5883L_STM32\CMISIS\core_cm3.c
?????文件???????85714??2012-06-27?16:31??HMC5883L_STM32\CMISIS\core_cm3.h
?????文件??????633941??2012-06-27?16:31??HMC5883L_STM32\CMISIS\stm32f10x.h
?????文件???????36557??2012-06-27?16:31??HMC5883L_STM32\CMISIS\system_stm32f10x.c
?????文件????????2085??2012-06-27?16:31??HMC5883L_STM32\CMISIS\system_stm32f10x.h
?????文件?????????497??2012-09-10?20:35??HMC5883L_STM32\Jli
?????文件??????215506??2012-09-10?20:49??HMC5883L_STM32\Jli
?????文件?????????285??2012-06-27?16:31??HMC5883L_STM32\Jli
?????目錄???????????0??2014-03-17?20:19??HMC5883L_STM32\Listing\
?????文件???????84724??2014-03-17?20:28??HMC5883L_STM32\Listing\Project.map
?????文件???????40629??2012-09-10?18:11??HMC5883L_STM32\Listing\startup_stm32f10x_md.lst
?????目錄???????????0??2014-03-17?20:28??HMC5883L_STM32\ob
?????文件??????????19??2012-09-10?19:51??HMC5883L_STM32\ob
?????文件??????628116??2014-03-17?20:28??HMC5883L_STM32\ob
?????文件???????51417??2014-03-17?20:28??HMC5883L_STM32\ob
?????文件??????116875??2014-03-17?20:28??HMC5883L_STM32\ob
?????文件????????1204??2014-03-17?20:23??HMC5883L_STM32\ob
?????文件????????6874??2014-03-17?21:07??HMC5883L_STM32\ob
?????文件?????????479??2014-03-17?20:20??HMC5883L_STM32\ob
?????文件????????3776??2012-09-15?14:03??HMC5883L_STM32\ob
?????文件?????????479??2012-06-27?16:31??HMC5883L_STM32\ob
?????文件??????358883??2012-09-15?10:40??HMC5883L_STM32\ob
?????文件????????1749??2012-09-15?10:40??HMC5883L_STM32\ob
?????文件??????392148??2012-09-15?10:40??HMC5883L_STM32\ob
?????文件??????347528??2012-08-07?21:01??HMC5883L_STM32\ob
?????文件????????2082??2012-08-07?21:01??HMC5883L_STM32\ob
?????文件??????380608??2012-08-07?21:01??HMC5883L_STM32\ob
?????文件??????161302??2012-09-15?10:40??HMC5883L_STM32\ob
?????文件????????1983??2012-09-15?10:40??HMC5883L_STM32\ob
............此處省略217個文件信息
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