The source is based on the development board buzzer OK2440 testing procedures, basic experiment, the buzzer is used to detect good and familiar development environment for ARM' s ADS

key-bell\init.s
........\key-bell.mcp
........\........_Data\CWSettingsWindows.stg
........\.............\Debug\TargetDataWindows.tdt
........\.............\.....Rel\key-bell.axf
........\.............\........\key-bell.bin
........\.............\........\ObjectCode\init.o
........\.............\........\..........\main.o
........\.............\........\TargetDataWindows.tdt
........\.............\Release\TargetDataWindows.tdt
........\main.c
........\key-bell_Data\DebugRel\ObjectCode
........\.............\Debug
........\.............\DebugRel
........\.............\Release
........\key-bell_Data
key-bell

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