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For some reason, this string seems to need to be set to diag_dun rather than DIAG to get QXDM and other tools fired up. Signed-off-by: Evan Green <evangreen86@gmail.com>
34 lines
943 B
Markdown
34 lines
943 B
Markdown
## DIAG
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**DIAG** implements routing of diagnostics related messages between host and
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various subsystems.
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### USB Gadget
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Ensure that your kernel is built with **CONFIG_CONFIGFS_FS** and **CONFIG_USB_CONFIGFS_F_FS** and that configfs is mounted in ```/sys/kernel/config```.
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G1="/sys/kernel/config/usb_gadget/g1"
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mkdir $G1
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mkdir $G1/strings/0x409
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mkdir $G1/functions/ffs.diag
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mkdir $G1/configs/c.1
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mkdir $G1/configs/c.1/strings/0x409
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echo 0xVID > $G1/idVendor
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echo 0xPID > $G1/idProduct
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echo SERIAL > $G1/strings/0x409/serialnumber
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echo MANUFACTURER > $G1/strings/0x409/manufacturer
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echo PRODUCT > $G1/strings/0x409/product
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echo "diag_dun" > $G1/configs/c.1/strings/0x409/configuration
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ln -s $G1/functions/ffs.diag $G1/configs/c.1
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mkdir /dev/ffs-diag
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mount -t functionfs diag /dev/ffs-diag
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diag-router &
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sleep 1
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echo 6a00000.dwc3 > $G1/UDC
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