資源簡介
基于正點原子開發板(芯片為stm32f103ZET6),編寫了4*4的矩陣鍵盤的程序,使用PC0--PC7gpio口,壓縮包里有矩陣鍵盤的程序,自己做的矩陣鍵盤(第一次做,不太好看),以及用串口打印的結果??晒W習和參考。若想用按鍵做其他的事情,可在主函數里擴展。

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
-----------?---------??----------?-----??----
?????文件??????17273??2010-06-07?10:25??4_4矩陣鍵盤程序\矩陣鍵盤\CORE\core_cm3.c
?????文件??????85714??2011-02-09?14:59??4_4矩陣鍵盤程序\矩陣鍵盤\CORE\core_cm3.h
?????文件??????15503??2011-03-10?10:52??4_4矩陣鍵盤程序\矩陣鍵盤\CORE\startup_stm32f10x_hd.s
?????文件????????399??2011-04-23?10:24??4_4矩陣鍵盤程序\矩陣鍵盤\keilkilll.bat
?????文件???????3939??2019-07-27?09:21??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\core_cm3.crf
?????文件????????101??2019-07-27?09:21??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\core_cm3.d
?????文件??????11308??2019-07-27?09:21??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\core_cm3.o
?????文件?????256753??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\delay.crf
?????文件????????708??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\delay.d
?????文件?????277092??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\delay.o
?????文件?????257120??2019-07-27?11:49??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\key.crf
?????文件????????717??2019-07-27?11:49??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\key.d
?????文件?????278016??2019-07-27?11:49??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\key.o
?????文件?????291162??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\lcd.crf
?????文件????????909??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\lcd.d
?????文件?????350360??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\lcd.o
?????文件?????256314??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\led.crf
?????文件????????678??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\led.d
?????文件?????275936??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\led.o
?????文件?????270360??2019-07-27?11:56??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\main.crf
?????文件????????951??2019-07-27?11:56??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\main.d
?????文件?????286760??2019-07-27?11:56??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\main.o
?????文件?????255831??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\misc.crf
?????文件????????669??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\misc.d
?????文件?????274448??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\misc.o
?????文件?????????63??2019-07-09?14:54??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\startup_stm32f10x_hd.d
?????文件???????6824??2019-07-09?14:54??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\startup_stm32f10x_hd.o
?????文件?????272103??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\stm32f10x_adc.crf
?????文件????????813??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\stm32f10x_adc.d
?????文件?????298368??2019-07-27?10:02??4_4矩陣鍵盤程序\矩陣鍵盤\OBJ\stm32f10x_adc.o
............此處省略183個文件信息
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