starting CAN-GPIO, have a lot of errors

F0:F030,F042,F072/usbcan_gpio/main.c

@@ -0,0 +1,50 @@
+/*
+ * This file is part of the usbcangpio project.
+ * Copyright 2022 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/>.
+ */
+
+#include "can.h"
+#include "flash.h"
+#include "gpioproto.h"
+#include "hardware.h"
+#include "canproto.h"
+
+volatile uint32_t Tms = 0;
+
+/* Called when systick fires */
+void sys_tick_handler(void){
+    ++Tms;
+}
+
+int main(void){
+    sysreset();
+    SysTick_Config(6000, 1);
+    flashstorage_init();
+    gpio_setup();
+    USB_setup();
+    CAN_setup(the_conf.CANspeed);
+    RCC->CSR |= RCC_CSR_RMVF; // remove reset flags
+#ifndef EBUG
+    iwdg_setup();
+#endif
+    while (1){
+        IWDG->KR = IWDG_REFRESH; // refresh watchdog
+        CANUSB_process();
+        GPIO_process();
+    }
+    return 0;
+}
+