LPC2148-based keystroke scan procedures, the LPC2148 successfully debug and can be displayed in the lcd

KEY_scan
........\ARM_Executable_Image_for_lpc214x_Data
........\.....................................\CWSettingsWindows.stg
........\.....................................\DebugInFLASH
........\.....................................\............\TargetDataWindows.tdt
........\.....................................\DebugInRAM
........\.....................................\..........\ARM Executable Image for lpc214x.axf
........\.....................................\..........\ObjectCode
........\.....................................\..........\..........\IRQ.o
........\.....................................\..........\..........\main.o
........\.....................................\..........\..........\Startup.o
........\.....................................\..........\..........\target.o
........\.....................................\..........\TargetDataWindows.tdt
........\.....................................\RelInFLASH
........\.....................................\..........\TargetDataWindows.tdt
........\KEY_scan.mcp
........\KEY_scan_Data
........\.............\CWSettingsWindows.stg
........\.............\DebugInFLASH
........\.............\............\KEY_scan.axf
........\.............\............\KEY_scan.i32
........\.............\............\ObjectCode
........\.............\............\..........\IRQ.o
........\.............\............\..........\lcd_12232.o
........\.............\............\..........\main.o
........\.............\............\..........\Startup.o
........\.............\............\..........\target.o
........\.............\............\..........\zimo.o
........\.............\............\TargetDataWindows.tdt
........\.............\DebugInRAM
........\.............\..........\KEY_scan.axf
........\.............\..........\ObjectCode
........\.............\..........\..........\IRQ.o
........\.............\..........\..........\Startup.o
........\.............\..........\..........\target.o
........\.............\..........\TargetDataWindows.tdt
........\.............\RelInFLASH
........\.............\..........\TargetDataWindows.tdt
........\LCD_12232
........\.........\lcd_12232.c
........\.........\lcd_12232.h
........\.........\zimo.c
........\src
........\...\config.h
........\...\IRQ.s
........\...\LPC214x.h
........\...\main.c
........\...\mem_a.scf
........\...\mem_b.scf
........\...\mem_c.scf
........\...\Startup.s
........\...\target.c
........\...\target.h

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