Add initial files

Software/CAN_config.h

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+/**
+ * @section License
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017, Thomas Barth, barth-dev.de
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __DRIVERS_CAN_CFG_H__
+#define __DRIVERS_CAN_CFG_H__
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/queue.h"
+#include "freertos/task.h"
+#include "driver/gpio.h"
+#include "freertos/semphr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** \brief CAN Node Bus speed */
+typedef enum {
+	CAN_SPEED_100KBPS = 100,  /**< \brief CAN Node runs at 100kBit/s. */
+	CAN_SPEED_125KBPS = 125,  /**< \brief CAN Node runs at 125kBit/s. */
+	CAN_SPEED_200KBPS = 200,  /**< \brief CAN Node runs at 250kBit/s. */
+	CAN_SPEED_250KBPS = 250,  /**< \brief CAN Node runs at 250kBit/s. */
+	CAN_SPEED_500KBPS = 500,  /**< \brief CAN Node runs at 500kBit/s. */
+	CAN_SPEED_800KBPS = 800,  /**< \brief CAN Node runs at 800kBit/s. */
+	CAN_SPEED_1000KBPS = 1000 /**< \brief CAN Node runs at 1000kBit/s. */
+} CAN_speed_t;
+
+/** \brief CAN configuration structure */
+typedef struct {
+	CAN_speed_t speed;      /**< \brief CAN speed. */
+	gpio_num_t tx_pin_id;   /**< \brief TX pin. */
+	gpio_num_t rx_pin_id;   /**< \brief RX pin. */
+	QueueHandle_t rx_queue; /**< \brief Handler to FreeRTOS RX queue. */
+	QueueHandle_t tx_queue; /**< \brief Handler to FreeRTOS TX queue. */
+	TaskHandle_t tx_handle; /**< \brief Handler to FreeRTOS TX task. */
+	TaskHandle_t rx_handle; /**< \brief Handler to FreeRTOS RX task. */
+} CAN_device_t;
+
+/** \brief CAN configuration reference */
+extern CAN_device_t CAN_cfg;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DRIVERS_CAN_CFG_H__ */