fixed PCB, add pre-alpha code

F1:F103/Hall_linear/hardware.h

@@ -0,0 +1,36 @@
+/*
+ * This file is part of the hallinear project.
+ * Copyright 2023 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 <stm32f1.h>
+
+// USB DP pullup: PA15
+#define USBPU_port  GPIOA
+#define USBPU_pin   (1<<15)
+#define USBPU_ON()  pin_clear(USBPU_port, USBPU_pin)
+#define USBPU_OFF() pin_set(USBPU_port, USBPU_pin)
+
+// CAN-USB switch: PA3, pullup
+#define USBCAN_port GPIOA
+#define USBCAN_pin  (1<<3)
+#define ISUSB()     (0 == (USBCAN_port->IDR & USBCAN_pin))
+
+extern volatile uint32_t Tms;
+
+void hw_setup();