loop:
??ldr?r0=0x56000050//GPFCON???0x56000050
?????????mov?r1#0xffff00ff
??ldr?r2[r0]
?and?r2r2r1//?GPFCON?8-15???????????

?mov?r1#0x00005500
?orr?r2r2r1?
????????str?r2[r0]//GPFCON??0x00005500?GFP4-7???????

????
?ldr?r0=0x56000054//GPFDAT???0x56000054
?mov?r1#0x000000d0//?5???
?ldr?r2[r0]
?orr?r2r2r1
?str?r2[r0]
?????b?loop


loop1:
??ldr?r0=0x56000050
?????mov?r1#0x00005500
??str?r1[r0]
???????????
??ldr?r0=0x56000054
??mov?r1#0x000000e0
??str?r1[r0]
??b?loop1

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-07-27?09:51??STM32F407傅里葉變換\
?????文件????????1475??2014-09-13?20:57??STM32F407傅里葉變換\arm_cortexM4lf_fft_bin_example.uvproj.lnk
?????目錄???????????0??2014-07-27?09:50??STM32F407傅里葉變換\board\
?????目錄???????????0??2014-07-28?14:03??STM32F407傅里葉變換\board\inc\
?????文件?????????157??2012-03-22?10:21??STM32F407傅里葉變換\board\inc\delay.h
?????文件???????42249??2012-03-22?18:07??STM32F407傅里葉變換\board\inc\fonts.h
?????文件?????????609??2012-03-22?10:01??STM32F407傅里葉變換\board\inc\key.h
?????文件????????1585??2014-03-22?10:42??STM32F407傅里葉變換\board\inc\lcd.h
?????文件?????????409??2013-12-28?11:06??STM32F407傅里葉變換\board\inc\led.h
?????文件?????????116??2014-07-28?14:03??STM32F407傅里葉變換\board\inc\pwm.h
?????文件?????????156??2012-03-24?10:15??STM32F407傅里葉變換\board\inc\spi.h
?????文件?????????194??2012-03-22?10:59??STM32F407傅里葉變換\board\inc\timer.h
?????文件?????????521??2014-06-06?15:27??STM32F407傅里葉變換\board\inc\tmp.c
?????文件?????????398??2013-12-28?11:28??STM32F407傅里葉變換\board\inc\touch.h
?????文件?????????113??2012-03-22?12:33??STM32F407傅里葉變換\board\inc\usart.h
?????目錄???????????0??2014-07-28?14:31??STM32F407傅里葉變換\board\src\
?????文件?????????392??2012-03-22?10:23??STM32F407傅里葉變換\board\src\delay.c
?????文件????????1813??2012-03-22?10:21??STM32F407傅里葉變換\board\src\key.c
?????文件???????16263??2014-04-25?09:19??STM32F407傅里葉變換\board\src\lcd.c
?????文件?????????701??2013-12-28?11:06??STM32F407傅里葉變換\board\src\led.c
?????文件???????11630??2014-07-27?10:15??STM32F407傅里葉變換\board\src\pwm.c
?????文件????????2692??2013-12-28?11:28??STM32F407傅里葉變換\board\src\spi.c
?????文件????????4341??2014-07-28?14:31??STM32F407傅里葉變換\board\src\timer.c
?????文件????????1062??2013-12-28?11:06??STM32F407傅里葉變換\board\src\touch.c
?????文件????????1589??2012-03-22?12:57??STM32F407傅里葉變換\board\src\usart.c
?????目錄???????????0??2014-07-27?09:47??STM32F407傅里葉變換\DSP_Lib\
?????目錄???????????0??2014-07-27?09:49??STM32F407傅里葉變換\DSP_Lib\Examples\
?????目錄???????????0??2014-07-30?13:31??STM32F407傅里葉變換\DSP_Lib\Examples\arm_fft_bin_example\
?????目錄???????????0??2014-09-13?20:58??STM32F407傅里葉變換\DSP_Lib\Examples\arm_fft_bin_example\ARM\
?????文件???????73096??2014-09-13?20:58??STM32F407傅里葉變換\DSP_Lib\Examples\arm_fft_bin_example\ARM\arm_cortexM4lf_fft_bin_example.uvgui.Administrator
?????文件???????73121??2014-09-04?20:56??STM32F407傅里葉變換\DSP_Lib\Examples\arm_fft_bin_example\ARM\arm_cortexM4lf_fft_bin_example.uvgui_Administrator.bak
............此處省略557個文件信息