From aecc6457ce5a983762245ab80d8cf381b506f907 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Mon, 24 Feb 2020 11:14:44 +0100
Subject: [PATCH] BSB: USB device serial number from DESIG

---
 bsb/firmware/main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/bsb/firmware/main.c b/bsb/firmware/main.c
index fda60d4..4fa7393 100644
--- a/bsb/firmware/main.c
+++ b/bsb/firmware/main.c
@@ -8,7 +8,8 @@
 
 #include <libopencm3/cm3/nvic.h>
 #include <libopencm3/cm3/systick.h>
-#include <libopencm3/stm32/rcc.h>		// FIXME: Clean up
+#include <libopencm3/stm32/rcc.h>
+#include <libopencm3/stm32/desig.h>
 #include <libopencm3/stm32/gpio.h>
 #include <libopencm3/stm32/timer.h>
 #include <libopencm3/stm32/usart.h>
@@ -142,10 +143,12 @@ static const struct usb_config_descriptor config = {
 	.interface = ifaces,
 };
 
+static char usb_serial_number[13];
+
 static const char *usb_strings[] = {
 	"United Computer Wizards",
 	"BSB Gateway",
-	"1",
+	usb_serial_number,
 };
 
 static byte usb_configured;
@@ -206,6 +209,7 @@ int main(void)
 	gpio_init();
 	tick_init();
 	usart_init();
+	desig_get_unique_id_as_dfu(usb_serial_number);
 
 	debug_printf("Hello, kitty!\n");
 
-- 
2.39.2