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76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/*
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* Copyright (C) 2019 Gunar Schorcht
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#pragma once
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/**
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* @ingroup cpu_esp_common_esp_wifi
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* @{
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*
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* @file
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* @brief Network device driver for the ESP SoCs WiFi interface
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*
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* @author Gunar Schorcht <gunar@schorcht.net>
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*/
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#include <stdbool.h>
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#include "mutex.h"
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#include "net/ethernet.h"
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#include "net/netdev.h"
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#include "ringbuffer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Buffer size used for RX buffering
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*/
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#ifndef ESP_WIFI_BUFSIZE
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#define ESP_WIFI_BUFSIZE (ETHERNET_MAX_LEN << 1)
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#endif
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/**
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* @brief Reference to the netdev device driver struct
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*/
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extern const netdev_driver_t esp_wifi_driver;
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/**
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* @brief Device descriptor for ESP WiFi devices
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*/
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typedef struct
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{
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netdev_t netdev; /**< netdev parent struct */
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uint8_t rx_mem[ESP_WIFI_BUFSIZE]; /**< memory holding incoming packages */
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ringbuffer_t rx_buf; /**< ringbuffer for incoming packages */
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uint16_t tx_len; /**< number of bytes in transmit buffer */
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uint8_t tx_buf[ETHERNET_MAX_LEN]; /**< transmit buffer */
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uint8_t event_recv; /**< number of frame received events */
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#ifdef MODULE_ESP_WIFI_AP
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uint8_t sta_connected; /**< number of connected stations */
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#else /* MODULE_ESP_WIFI_AP */
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uint8_t event_conn; /**< number of pending connect events */
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uint8_t event_disc; /**< number of pending disc events */
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bool connected; /**< indicates whether connected to AP */
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#endif /* MODULE_ESP_WIFI_AP */
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mutex_t dev_lock; /**< device is already in use */
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} esp_wifi_netdev_t;
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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