Update licence

Author: ChazJin

features/netsocket/emac-drivers/TARGET_GD_EMAC/gd32xx_emac.h

@@ -1,3 +1,4 @@
+<<<<<<< HEAD
 /* mbed Microcontroller Library
  * Copyright (c) 2018 Gigadevice Semiconductor Inc.
  *
@@ -172,3 +173,179 @@ class GD32_EMAC : public EMAC {
 };
 
 #endif /* GD32_EMAC_H_ */
+=======
+/* mbed Microcontroller Library
+ * Copyright (c) 2018 Gigadevice Semiconductor Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef GD32_EMAC_H_
+#define GD32_EMAC_H_
+
+#include "EMAC.h"
+#include "rtos/Semaphore.h"
+#include "rtos/Mutex.h"
+
+class GD32_EMAC : public EMAC {
+public:
+    GD32_EMAC();
+
+    static GD32_EMAC &get_instance();
+
+    /**
+     * Return maximum transmission unit
+     *
+     * @return     MTU in bytes
+     */
+    virtual uint32_t get_mtu_size() const;
+
+    /**
+     * Gets memory buffer alignment preference
+     *
+     * Gets preferred memory buffer alignment of the Emac device. IP stack may or may not
+     * align link out memory buffer chains using the alignment.
+     *
+     * @return         Memory alignment requirement in bytes
+     */
+    virtual uint32_t get_align_preference() const;
+
+    /**
+     * Return interface name
+     *
+     * @param name Pointer to where the name should be written
+     * @param size Maximum number of character to copy
+     */
+    virtual void get_ifname(char *name, uint8_t size) const;
+
+    /**
+     * Returns size of the underlying interface HW address size.
+     *
+     * @return     HW address size in bytes
+     */
+    virtual uint8_t get_hwaddr_size() const;
+
+    /**
+     * Return interface-supplied HW address
+     *
+     * Copies HW address to provided memory, @param addr has to be of correct size see @a get_hwaddr_size
+     *
+     * HW address need not be provided if this interface does not have its own HW
+     * address configuration; stack will choose address from central system
+     * configuration if the function returns false and does not write to addr.
+     *
+     * @param addr HW address for underlying interface
+     * @return     true if HW address is available
+     */
+    virtual bool get_hwaddr(uint8_t *addr) const;
+
+    /**
+     * Set HW address for interface
+     *
+     * Provided address has to be of correct size, see @a get_hwaddr_size
+     *
+     * Called to set the MAC address to actually use - if @a get_hwaddr is provided
+     * the stack would normally use that, but it could be overridden, eg for test
+     * purposes.
+     *
+     * @param addr Address to be set
+     */
+    virtual void set_hwaddr(const uint8_t *addr);
+
+    /**
+     * Sends the packet over the link
+     *
+     * That can not be called from an interrupt context.
+     *
+     * @param buf  Packet to be send
+     * @return     True if the packet was send successfully, False otherwise
+     */
+    virtual bool link_out(emac_mem_buf_t *buf);
+
+    /**
+     * Initializes the HW
+     *
+     * @return True on success, False in case of an error.
+     */
+    virtual bool power_up();
+
+    /**
+     * Deinitializes the HW
+     *
+     */
+    virtual void power_down();
+
+    /**
+     * Sets a callback that needs to be called for packets received for that interface
+     *
+     * @param input_cb Function to be register as a callback
+     */
+    virtual void set_link_input_cb(emac_link_input_cb_t input_cb);
+
+    /**
+     * Sets a callback that needs to be called on link status changes for given interface
+     *
+     * @param state_cb Function to be register as a callback
+     */
+    virtual void set_link_state_cb(emac_link_state_change_cb_t state_cb);
+
+    /** Add device to a multicast group
+     *
+     * @param address  A multicast group hardware address
+     */
+    virtual void add_multicast_group(const uint8_t *address);
+
+    /** Remove device from a multicast group
+     *
+     * @param address  A multicast group hardware address
+     */
+    virtual void remove_multicast_group(const uint8_t *address);
+
+    /** Request reception of all multicast packets
+     *
+     * @param all True to receive all multicasts
+     *            False to receive only multicasts addressed to specified groups
+     */
+    virtual void set_all_multicast(bool all);
+
+    /** Sets memory manager that is used to handle memory buffers
+     *
+     * @param mem_mngr Pointer to memory manager
+     */
+    virtual void set_memory_manager(EMACMemoryManager &mem_mngr);
+
+    /* Called from driver functions */
+    osThreadId_t rx_thread; /**< Processing rx thread */
+
+private:
+    bool low_level_init();
+    void packet_rx();
+    emac_mem_buf_t *low_level_input(void);
+    static void thread_function(void *pvParameters);
+    void phy_task();
+    void eth_arch_enable_interrupts();
+    void eth_arch_disable_interrupts();
+
+    mbed_rtos_storage_thread_t rx_thread_cb;
+
+    rtos::Mutex TXLockMutex;/**< TX critical section mutex */
+    emac_link_input_cb_t emac_link_input_cb; /**< Callback for incoming data */
+    emac_link_state_change_cb_t emac_link_state_cb; /**< Link state change callback */
+    EMACMemoryManager *memory_manager; /**< Memory manager */
+
+    uint32_t phy_status;
+    int phy_task_handle; /**< Handle for phy task event */
+};
+
+#endif /* GD32_EMAC_H_ */
+>>>>>>> Update licence