all descriptors read - OK, interfaces work - bad (only first two works - why? need to debug)

F3:F303/InterfaceBoard/hardware.h

@@ -1,3 +1,21 @@
+/*
+ * This file is part of the multiiface project.
+ * Copyright 2026 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #pragma once
 
 #include <stm32f3.h>
@@ -7,7 +25,12 @@
 #define USBPU_ON()  pin_clear(USBPU_port, USBPU_pin)
 #define USBPU_OFF() pin_set(USBPU_port, USBPU_pin)
 
+#define CFG_port    GPIOA
+#define CFG_pin     (1<<9)
+#define CFG_ON()    (CFG_port->IDR & CFG_pin)
+
 extern volatile uint32_t Tms;
+extern uint8_t Config_mode;
 
 void hw_setup();