32 lines
558 B
Markdown
32 lines
558 B
Markdown
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## Additionnal informations
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To test character device, your need create the device.
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Step 1: Get major number of your module device
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```bash
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cat /proc/devices | grep flodev
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```
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Step 2: Create device (as root)
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```bash
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mknod /dev/[wanted name] -c <major_number> 0
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```
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Exemple (as root):
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```bash
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cat /proc/devices | grep flodev # => 236 flodev
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mknod /dev/flodev0 c 236 0
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echo "Salut" >> /dev/flodev0
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dmesg | tail # =>
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# flodev - Ouverture du périphérique
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# flodev - Message reçu: Salut
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# flodev - Fermeture du périphérique
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rm /dev/flodev0
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```
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