資源簡介
原理是X,Y軸等間隔采樣,如果要識別字母的話估計要加大采樣密度。當前采樣密度是1/20。

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?????????14??2013-07-30?23:04??ident_digit\.gitignore
?????文件????????115??2013-07-31?01:07??ident_digit\Readme.md
?????文件???????1906??2013-08-02?21:54??ident_digit\User\steer.c
?????文件???????6812??2013-08-12?16:12??ident_digit\User\main.c
?????文件????????287??2013-07-10?22:49??ident_digit\User\led.h
?????文件???????3259??2011-04-04?19:03??ident_digit\User\stm32f10x_conf.h
?????文件???????5794??2013-08-10?16:27??ident_digit\User\stm32f10x_it.c
?????文件???????2086??2011-04-04?19:03??ident_digit\User\stm32f10x_it.h
?????文件???????2036??2013-07-10?21:46??ident_digit\User\systick.c
?????文件????????564??2013-07-10?21:46??ident_digit\User\systick.h
?????文件???????6834??2013-08-10?17:02??ident_digit\User\ov7670.c
?????文件???????1441??2013-08-10?17:18??ident_digit\User\fifo.h
?????文件????????603??2013-07-12?15:49??ident_digit\User\workqueue.c
?????文件????????261??2013-07-12?15:45??ident_digit\User\workqueue.h
?????文件???????2047??2013-08-01?00:11??ident_digit\User\Delay.c
?????文件????????611??2013-08-01?00:11??ident_digit\User\Delay.h
?????文件??????11289??2013-08-01?00:11??ident_digit\User\Flash_program.c
?????文件???????1527??2013-08-01?00:11??ident_digit\User\Touch.h
?????文件???????2222??2013-08-01?00:11??ident_digit\User\flash_program.h
?????文件???????6282??2013-08-04?16:17??ident_digit\User\isd4004.c
?????文件????????222??2013-08-02?17:46??ident_digit\User\pwm.h
?????文件???????3662??2013-08-10?17:05??ident_digit\User\SCCB.c
?????文件????????962??2013-08-02?23:59??ident_digit\User\step.h
?????文件????????155??2013-08-03?15:20??ident_digit\User\adc.h
?????文件???????2266??2013-08-02?21:36??ident_digit\User\pwm.c
?????文件????????189??2013-08-02?21:42??ident_digit\User\steer.h
?????文件???????2962??2013-08-03?15:40??ident_digit\User\adc.c
?????文件???????6356??2013-08-03?00:03??ident_digit\User\step.c
?????文件???????4274??2013-08-05?15:11??ident_digit\User\LCD12864.c
?????文件???????2044??2013-08-03?15:23??ident_digit\User\lcd.h
............此處省略173個文件信息
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