What is the compilation and testing method of ubuntu Buzzer buzzer

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Based on iTOP-4418 development board (supporting Android7.1 system)

As shown in the following figure, compile the buzzer test program, and in the Ubuntu system, enter the compilation command

"arm-none-linux-gnueabi-gcc-o buzzer buzzer.c-static" to generate the buzzer executable program.

Copy the executable file buzzer to the U disk, start the development board, insert the u disk, and enter the mount command "mount"

/ dev/sda1 / mnt/udisk "upload the executable file buzzer to the development board, as shown in the following figure.

As shown in the following figure, in HyperTerminal, enter "chmod 777 buzzer" to modify permissions, and then enter the command

". / buzzer" runs the program. The buzzer rings 3 times, indicating that the program is running successfully.

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