kopia lustrzana https://github.com/espressif/esp-idf
examples: Add a separate static_ip example
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# The following five lines of boilerplate have to be in your project's
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# CMakeLists in this exact order for cmake to work correctly
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cmake_minimum_required(VERSION 3.5)
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include($ENV{IDF_PATH}/tools/cmake/project.cmake)
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project(static_ip)
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#
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# This is a project Makefile. It is assumed the directory this Makefile resides in is a
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# project subdirectory.
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#
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PROJECT_NAME := static_ip
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include $(IDF_PATH)/make/project.mk
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# WiFi station example
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(See the README.md file in the upper level 'examples' directory for more information about examples.)
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## How to use example
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### Configure the project
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```
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idf.py menuconfig
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```
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Set following parameters under Example Configuration Options:
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* Set `WiFi SSID` and `WiFi Password` and `Maximal retry` under Example Configuration Options.
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* Set `Static IP address` of your device static IP.
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* Set `Static netmask address` of your device static netmask address.
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* Set `Static gateway address` of your device static gateway address.
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### Build and Flash
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Build the project and flash it to the board, then run monitor tool to view serial output:
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```
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idf.py -p PORT flash monitor
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```
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(To exit the serial monitor, type ``Ctrl-]``.)
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See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects.
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## Example Output
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Note that the output, in particular the order of the output, may vary depending on the environment.
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Console output if station connects to AP successfully:
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```
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I (563) static_ip: ESP_WIFI_MODE_STA
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I (573) wifi:wifi driver task: 3ffc1bfc, prio:23, stack:6656, core=0
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I (573) system_api: Base MAC address is not set
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I (573) system_api: read default base MAC address from EFUSE
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I (603) wifi:wifi firmware version: 6b2834e
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I (603) wifi:wifi certification version: v7.0
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I (603) wifi:config NVS flash: enabled
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I (603) wifi:config nano formating: disabled
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I (613) wifi:Init data frame dynamic rx buffer num: 32
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I (613) wifi:Init management frame dynamic rx buffer num: 32
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I (623) wifi:Init management short buffer num: 32
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I (623) wifi:Init dynamic tx buffer num: 32
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I (633) wifi:Init static rx buffer size: 1600
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I (633) wifi:Init static rx buffer num: 10
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I (643) wifi:Init dynamic rx buffer num: 32
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I (643) wifi_init: rx ba win: 6
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I (643) wifi_init: tcpip mbox: 32
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I (653) wifi_init: udp mbox: 6
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I (653) wifi_init: tcp mbox: 6
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I (653) wifi_init: tcp tx win: 5744
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I (663) wifi_init: tcp rx win: 5744
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I (663) wifi_init: tcp mss: 1440
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I (673) wifi_init: WiFi IRAM OP enabled
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I (673) wifi_init: WiFi RX IRAM OP enabled
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I (723) phy_init: phy_version 4660,0162888,Dec 23 2020
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W (723) phy_init: failed to load RF calibration data (0xffffffff), falling back to full calibration
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I (1093) wifi:mode : sta (4c:11:ae:ea:69:fc)
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I (1093) wifi:enable tsf
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I (1093) static_ip: wifi_init_sta finished.
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I (2313) wifi:new:<11,0>, old:<1,0>, ap:<255,255>, sta:<11,0>, prof:1
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I (3053) wifi:state: init -> auth (b0)
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I (3083) wifi:state: auth -> assoc (0)
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I (3213) wifi:new:<11,2>, old:<11,0>, ap:<255,255>, sta:<11,2>, prof:1
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I (3213) wifi:state: assoc -> run (10)
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I (3233) wifi:connected with myssid, aid = 2, channel 11, 40D, bssid = 34:29:12:43:c5:40
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I (3233) wifi:security: WPA2-PSK, phy: bgn, rssi: -7
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I (3243) wifi:pm start, type: 1
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I (3253) esp_netif_handlers: sta ip: 192.168.4.2, mask: 255.255.255.0, gw: 192.168.4.1
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I (3253) static_ip: static ip:192.168.4.2
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I (3253) static_ip: connected to ap SSID:myssid password:mypassword
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W (3273) wifi:<ba-add>idx:0 (ifx:0, 34:29:12:43:c5:40), tid:5, ssn:2, winSize:64
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I (3303) wifi:AP's beacon interval = 102400 us, DTIM period = 1
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I (3303) wifi:new:<11,0>, old:<11,2>, ap:<255,255>, sta:<11,0>, prof:1
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```
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idf_component_register(SRCS "static_ip_example_main.c"
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INCLUDE_DIRS ".")
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menu "Example Configuration"
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config EXAMPLE_WIFI_SSID
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string "WiFi SSID"
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default "myssid"
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help
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SSID (network name) for the example to connect to.
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config EXAMPLE_WIFI_PASSWORD
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string "WiFi Password"
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default "mypassword"
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help
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WiFi password (WPA or WPA2) for the example to use.
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config EXAMPLE_MAXIMUM_RETRY
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int "Maximum retry"
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default 5
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help
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Set the Maximum retry to avoid station reconnecting to the AP unlimited when the AP is really inexistent.
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config EXAMPLE_STATIC_IP_ADDR
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string "Static IP address"
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default "192.168.4.2"
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help
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Set static IP address.
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config EXAMPLE_STATIC_NETMASK_ADDR
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string "Static netmask address"
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default "255.255.255.0"
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help
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Set static netmask address.
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config EXAMPLE_STATIC_GW_ADDR
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string "Static gateway address"
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default "192.168.4.1"
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help
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Set static gateway address.
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endmenu
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#
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# Main component makefile.
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#
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# This Makefile can be left empty. By default, it will take the sources in the
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# src/ directory, compile them and link them into lib(subdirectory_name).a
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# in the build directory. This behaviour is entirely configurable,
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# please read the ESP-IDF documents if you need to do this.
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#
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/* Static IP Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/event_groups.h"
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#include "esp_system.h"
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#include "esp_wifi.h"
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#include "esp_event.h"
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#include "esp_log.h"
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#include "nvs_flash.h"
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/* The examples use configuration that you can set via project configuration menu
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If you'd rather not, just change the below entries to strings with
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the config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid"
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*/
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#define EXAMPLE_WIFI_SSID CONFIG_EXAMPLE_WIFI_SSID
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#define EXAMPLE_WIFI_PASS CONFIG_EXAMPLE_WIFI_PASSWORD
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#define EXAMPLE_MAXIMUM_RETRY CONFIG_EXAMPLE_MAXIMUM_RETRY
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#define EXAMPLE_STATIC_IP_ADDR CONFIG_EXAMPLE_STATIC_IP_ADDR
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#define EXAMPLE_STATIC_NETMASK_ADDR CONFIG_EXAMPLE_STATIC_NETMASK_ADDR
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#define EXAMPLE_STATIC_GW_ADDR CONFIG_EXAMPLE_STATIC_GW_ADDR
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/* FreeRTOS event group to signal when we are connected*/
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static EventGroupHandle_t s_wifi_event_group;
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/* The event group allows multiple bits for each event, but we only care about two events:
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* - we are connected to the AP with an IP
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* - we failed to connect after the maximum amount of retries */
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#define WIFI_CONNECTED_BIT BIT0
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#define WIFI_FAIL_BIT BIT1
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static const char *TAG = "static_ip";
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static int s_retry_num = 0;
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static void example_set_static_ip(esp_netif_t *netif)
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{
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if (esp_netif_dhcpc_stop(netif) != ESP_OK) {
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ESP_LOGE(TAG, "Failed to stop dhcp client");
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return;
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}
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esp_netif_ip_info_t ip;
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memset(&ip, 0 , sizeof(esp_netif_ip_info_t));
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ip.ip.addr = ipaddr_addr(EXAMPLE_STATIC_IP_ADDR);
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ip.netmask.addr = ipaddr_addr(EXAMPLE_STATIC_NETMASK_ADDR);
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ip.gw.addr = ipaddr_addr(EXAMPLE_STATIC_GW_ADDR);
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if (esp_netif_set_ip_info(netif, &ip) != ESP_OK) {
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ESP_LOGE(TAG, "Failed to set ip info");
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return;
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}
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ESP_LOGD(TAG, "Success to set static ip: %s, netmask: %s, gw: %s", EXAMPLE_STATIC_IP_ADDR, EXAMPLE_STATIC_NETMASK_ADDR, EXAMPLE_STATIC_GW_ADDR);
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}
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static void event_handler(void* arg, esp_event_base_t event_base,
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int32_t event_id, void* event_data)
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{
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if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
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esp_wifi_connect();
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} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_CONNECTED) {
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example_set_static_ip(arg);
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} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
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if (s_retry_num < EXAMPLE_MAXIMUM_RETRY) {
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esp_wifi_connect();
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s_retry_num++;
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ESP_LOGI(TAG, "retry to connect to the AP");
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} else {
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xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
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}
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ESP_LOGI(TAG,"connect to the AP fail");
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} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
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ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
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ESP_LOGI(TAG, "static ip:" IPSTR, IP2STR(&event->ip_info.ip));
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s_retry_num = 0;
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xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
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}
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}
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void wifi_init_sta(void)
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{
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s_wifi_event_group = xEventGroupCreate();
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ESP_ERROR_CHECK(esp_netif_init());
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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esp_netif_t *sta_netif = esp_netif_create_default_wifi_sta();
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assert(sta_netif);
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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ESP_ERROR_CHECK(esp_wifi_init(&cfg));
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esp_event_handler_instance_t instance_any_id;
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esp_event_handler_instance_t instance_got_ip;
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ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
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ESP_EVENT_ANY_ID,
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&event_handler,
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sta_netif,
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&instance_any_id));
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ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
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IP_EVENT_STA_GOT_IP,
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&event_handler,
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sta_netif,
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&instance_got_ip));
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wifi_config_t wifi_config = {
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.sta = {
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.ssid = EXAMPLE_WIFI_SSID,
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.password = EXAMPLE_WIFI_PASS,
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/* Setting a password implies station will connect to all security modes including WEP/WPA.
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* However these modes are deprecated and not advisable to be used. Incase your Access point
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* doesn't support WPA2, these mode can be enabled by commenting below line */
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.threshold.authmode = WIFI_AUTH_WPA2_PSK,
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.pmf_cfg = {
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.capable = true,
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.required = false
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},
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},
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};
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );
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ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config) );
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ESP_ERROR_CHECK(esp_wifi_start() );
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ESP_LOGI(TAG, "wifi_init_sta finished.");
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/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
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* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
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EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
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WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
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pdFALSE,
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pdFALSE,
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portMAX_DELAY);
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/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
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* happened. */
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if (bits & WIFI_CONNECTED_BIT) {
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ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",
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EXAMPLE_WIFI_SSID, EXAMPLE_WIFI_PASS);
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} else if (bits & WIFI_FAIL_BIT) {
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ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s",
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EXAMPLE_WIFI_SSID, EXAMPLE_WIFI_PASS);
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} else {
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ESP_LOGE(TAG, "UNEXPECTED EVENT");
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}
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/* The event will not be processed after unregister */
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ESP_ERROR_CHECK(esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip));
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ESP_ERROR_CHECK(esp_event_handler_instance_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id));
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vEventGroupDelete(s_wifi_event_group);
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}
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void app_main(void)
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{
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//Initialize NVS
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esp_err_t ret = nvs_flash_init();
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if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_ERROR_CHECK(nvs_flash_erase());
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ret = nvs_flash_init();
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}
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ESP_ERROR_CHECK(ret);
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ESP_LOGI(TAG, "ESP_WIFI_MODE_STA");
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wifi_init_sta();
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}
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