mirror of
https://github.com/RIOT-OS/RIOT.git
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130 lines
3.3 KiB
C
130 lines
3.3 KiB
C
/*
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* Copyright (C) 2018 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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/**
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* @ingroup cpu_esp_common_esp_now
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* @{
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*
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* @file
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* @brief Parameters for the netdev interface for ESP-NOW WiFi P2P
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*
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* @author Gunar Schorcht <gunar@schorcht.net>
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*/
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#ifndef ESP_NOW_PARAMS_H
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#define ESP_NOW_PARAMS_H
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#if defined(MODULE_ESP_NOW) || defined(DOXYGEN)
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/**
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* @name Set default configuration parameters for the ESP-NOW netdev driver
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* @{
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*/
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/**
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* @brief The size of the stack used for the ESP-NOW netdev driver thread.
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* @ingroup cpu_esp_common_conf
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*/
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#ifndef ESP_NOW_STACKSIZE
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#define ESP_NOW_STACKSIZE (THREAD_STACKSIZE_DEFAULT)
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#endif
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/**
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* @brief The priority of the ESP-NOW netdev driver thread. Should not be
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* changed.
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* @ingroup cpu_esp_common_conf
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*/
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#ifndef ESP_NOW_PRIO
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#define ESP_NOW_PRIO (GNRC_NETIF_PRIO)
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#endif
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/**
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* @brief Period in milliseconds at which an ESP-NOW node scans for other
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* ESP-NOW nodes in its range.
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* @ingroup cpu_esp_common_conf
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*/
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#ifndef ESP_NOW_SCAN_PERIOD_MS
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#define ESP_NOW_SCAN_PERIOD_MS (10000UL)
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#endif
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/**
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* @brief Passphrase used for the SoftAP interface of for all ESP-NOW nodes.
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* @ingroup cpu_esp_common_conf
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*/
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#ifndef ESP_NOW_SOFT_AP_PASS
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#define ESP_NOW_SOFT_AP_PASS "ThisistheRIOTporttoESP"
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#endif
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/**
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* @brief Channel used as broadcast medium by all ESP-NOW nodes together
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* @ingroup cpu_esp_common_conf
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*/
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#ifndef ESP_NOW_CHANNEL
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#define ESP_NOW_CHANNEL (6)
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#endif
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/**
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* @brief Key used for the communication between ESP-NOW nodes
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* @ingroup cpu_esp_common_conf
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*
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* The key has to be defined to enable encrypted communication between ESP-NOW
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* nodes. The key has to be of type *uint8_t [16]* and has to be exactly
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* 16 bytes long. If the key is NULL (the default) communication is not
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* encrypted.
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*
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* Please note: If encrypted communication is used, a maximum of 6 nodes can
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* communicate with each other, while in unencrypted mode, up to 20 nodes can
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* communicate.
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*/
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#ifndef ESP_NOW_KEY
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#define ESP_NOW_KEY (NULL)
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#endif
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/** @} */
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/**
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* @brief Initializer for default configuration parameters.
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*/
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#ifndef ESP_NOW_PARAMS
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#define ESP_NOW_PARAMS { .key = ESP_NOW_KEY, \
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.scan_period = ESP_NOW_SCAN_PERIOD_MS, \
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.softap_pass = ESP_NOW_SOFT_AP_PASS, \
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.channel = ESP_NOW_CHANNEL \
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}
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#endif
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/**
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* @brief Struct holding all parameters needed for device initialization.
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*/
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typedef struct
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{
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const uint8_t* key; /**< key of type uint8_t [16] or NULL (no encryption) */
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uint32_t scan_period; /**< Period at which the node scans for other nodes */
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const char* softap_pass; /**< Passphrase used for the SoftAP interface */
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uint8_t channel; /**< Channel used for ESP-NOW nodes */
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} esp_now_params_t;
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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 Static configuration structure
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*/
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static const esp_now_params_t esp_now_params = ESP_NOW_PARAMS;
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#ifdef __cplusplus
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}
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#endif
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#endif /* MODULE_ESP_NOW || DOXYGEN */
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#endif /* ESP_NOW_PARAMS_H */
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/**@}*/
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