Add canUART for STM32F103

F1:F103/canUART/hardware.h

@@ -0,0 +1,58 @@
+/*
+ * This file is part of the canuart 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/>.
+ */
+
+#pragma once
+
+#include <stm32f1.h>
+
+#define CONCAT(a,b)     a ## b
+#define STR_HELPER(s)   #s
+#define STR(s)          STR_HELPER(s)
+
+#define FORMUSART(X)    CONCAT(USART, X)
+#define USARTX          FORMUSART(USARTNUM)
+
+// LEDS: 0 - PA0, 1 - PA4
+// LED0
+#define LED0_port   GPIOA
+#define LED0_pin    (1<<0)
+// LED1
+#define LED1_port   GPIOA
+#define LED1_pin    (1<<4)
+
+#ifdef BLUEPILL
+#define LEDB_port   GPIOC
+#define LEDB_pin    (1<<13)
+#endif
+
+#define LED_blink(x)    do{if(ledsON) pin_toggle(x ## _port, x ## _pin);}while(0)
+#define LED_on(x)       do{if(ledsON) pin_clear(x ## _port, x ## _pin);}while(0)
+#define LED_off(x)      do{pin_set(x ## _port, x ## _pin);}while(0)
+
+
+// CAN address - PB14(0), PB15(1), PA8(2)
+#define READ_CAN_INV_ADDR()  (((GPIOA->IDR & (1<<8))>>6)|((GPIOB->IDR & (3<<14))>>14))
+
+
+extern volatile uint32_t Tms;
+
+extern uint8_t ledsON;
+
+void gpio_setup(void);
+void iwdg_setup();
+