QY-IMX6S Linux Function And Test Manual
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/buzzer_test /dev/qiyang_buzzer 1
2.
Close buzzer, press [ctrl+c] to exit the program.
/buzzer_test /dev/qiyang_buzzer 0
Device Node
：
/dev/qiyang_buzzer
Test Code
：
CD/Test Code/buzzer_test/buzzer_test.c
Driver Code
：
linux-3.0.101/drivers/misc/buzzer.c
The Kernel Options
：
Device Drivers --->
Misc devices --->
<*> BUZZER FOR QIYANG IMX6 BOARD
FAQ
：
Debug UART prints information
：
Please check the following items
：
①
,
Whether [/dev] directory has [qiyang_buzzer] device node or not.
②
Kernel configuration select <*> BUZZER FOR QIYANG IMX6
BOARD
