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docs(wifi/espnow): Update the description for ESP-NOW frame

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zhangyanjiao
2024-11-14 10:25:56 +08:00
parent e186bba371
commit f9ef78528e
3 changed files with 42 additions and 23 deletions
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components/esp_wifi/include/esp_now.h
+7 -3
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2019-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -49,7 +49,8 @@ extern "C" {
#define ESP_NOW_MAX_TOTAL_PEER_NUM 20 /*!< Maximum number of ESPNOW total peers */
#define ESP_NOW_MAX_ENCRYPT_PEER_NUM 6 /*!< Maximum number of ESPNOW encrypted peers */
#define ESP_NOW_MAX_DATA_LEN 250 /*!< Maximum length of ESPNOW data which is sent very time */
#define ESP_NOW_MAX_IE_DATA_LEN 250 /**< Maximum data length in a vendor-specific element */
#define ESP_NOW_MAX_DATA_LEN ESP_NOW_MAX_IE_DATA_LEN /**< Maximum length of data sent in each ESPNOW transmission for v1.0 */
/**
* @brief Status of sending ESPNOW data .
@@ -135,7 +136,10 @@ esp_err_t esp_now_init(void);
esp_err_t esp_now_deinit(void);
/**
* @brief Get the version of ESPNOW
* @brief Get the version of ESPNOW. Currently, ESPNOW supports one version: v1.0.
*
* The v1.0 devices can receive packets if the packet length is less than or equal to ESP_NOW_MAX_IE_DATA_LEN.
* For packets exceeding this length, the v1.0 devices will discard the packet entirely.
*
* @param version ESPNOW version
*