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sys/usb: Use luid_base for stable USB serials

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This is useful when having multiple instances of the same board
connected via USB CDC ACM and telling the TTYs apart.
This commit is contained in:
Marian Buschsieweke 2024-10-28 14:50:42 +01:00
parent b376bec667
commit 6b80a1a61e
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1 changed files with 1 additions and 1 deletions
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2
sys/usb/usbus/usbus.c
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@ -422,7 +422,7 @@ static void *_usbus_thread(void *args)
"USB serial byte length must be at most 63 due to protocol "
"limitations");
uint8_t luid_buf[CONFIG_USB_SERIAL_BYTE_LENGTH];
luid_get(luid_buf, sizeof(luid_buf));
luid_base(luid_buf, sizeof(luid_buf));
fmt_bytes_hex(usbus->serial_str, luid_buf, sizeof(luid_buf));
usbus_add_string_descriptor(usbus, &usbus->serial, usbus->serial_str);
#endif