LPC2138 external 4* 4 matrix keyboard scanning! Hardware received 2138 of P1.16 to P1.23. Using timer 0 timer keyboard scan detection.

keyboard2
.........\ARM_Executable_Image_for_lpc2138_Data
.........\.....................................\CWSettingsWindows.stg
.........\.....................................\DebugInFLASH
.........\.....................................\............\TargetDataWindows.tdt
.........\.....................................\DebugInRAM
.........\.....................................\..........\TargetDataWindows.tdt
.........\.....................................\RelInFLASH
.........\.....................................\..........\TargetDataWindows.tdt
.........\keyboard2.mcp
.........\keyboard2_Data
.........\..............\CWSettingsWindows.stg
.........\..............\DebugInFLASH
.........\..............\............\keyboard2.axf
.........\..............\............\keyboard2.i32
.........\..............\............\ObjectCode
.........\..............\............\..........\IRQ.o
.........\..............\............\..........\main.o
.........\..............\............\..........\Startup.o
.........\..............\............\..........\target.o
.........\..............\............\TargetDataWindows.tdt
.........\..............\DebugInRAM
.........\..............\..........\keyboard2.axf
.........\..............\..........\ObjectCode
.........\..............\..........\..........\IRQ.o
.........\..............\..........\..........\main.o
.........\..............\..........\..........\Startup.o
.........\..............\..........\..........\target.o
.........\..............\..........\TargetDataWindows.tdt
.........\..............\RelInFLASH
.........\..............\..........\TargetDataWindows.tdt
.........\src
.........\...\config.h
.........\...\IRQ.s
.........\...\LPC2294.h
.........\...\main.c
.........\...\mem_a.scf
.........\...\mem_b.scf
.........\...\mem_c.scf
.........\...\Startup.s
.........\...\target.c
.........\...\target.h

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