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IAC-IMX6-Kit Linux Function and Test Manual
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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)Whether the kernel configuration select <*> BUZZER FOR
QIYANG IMX6 BOARD or not.
(3) Whether the Device tree file enable [qiyang_buzzer]node or not.
2.2. RTC Test
IAC-IMX6-KIT mainboard adopts I2C2 connect to DS3231 Chip on