forked from espressif/esp-protocols
		
	
		
			
				
	
	
		
			79 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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 *
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 * SPDX-License-Identifier: Apache-2.0
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 */
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#pragma once
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#include <memory>
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#include <cstddef>
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#include "esp_netif.h"
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#include "cxx_include/esp_modem_primitives.hpp"
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namespace esp_modem {
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class DTE;
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class Netif;
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struct ppp_netif_driver {
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    esp_netif_driver_base_t base;
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    Netif *ppp;
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};
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/**
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 * @defgroup ESP_MODEM_NETIF
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 * @brief Network interface layer of the esp-modem
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 */
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/** @addtogroup ESP_MODEM_NETIF
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* @{
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*/
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/**
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 * @brief Network interface class responsible to glue the esp-netif to the modem's DCE
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 */
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class Netif {
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public:
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    explicit Netif(std::shared_ptr<DTE> e, esp_netif_t *netif);
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    ~Netif();
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    /**
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     * @brief Start the network interface
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     */
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    void start();
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    /**
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     * @brief Blocks until the network interface closes
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     */
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    void wait_until_ppp_exits();
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    /**
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     * @brief Stop the network interface
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     */
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    void stop();
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private:
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    void receive(uint8_t *data, size_t len);
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    static esp_err_t esp_modem_dte_transmit(void *h, void *buffer, size_t len);
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    static esp_err_t esp_modem_post_attach(esp_netif_t *esp_netif, void *args);
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    static void on_ppp_changed(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
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    std::shared_ptr<DTE> ppp_dte;
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    esp_netif_t *netif;
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    struct ppp_netif_driver driver {};
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    SignalGroup signal;
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    static const size_t PPP_STARTED = SignalGroup::bit0;
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    static const size_t PPP_EXIT = SignalGroup::bit1;
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};
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/**
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 * @}
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 */
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} // namespace esp_modem
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