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添加智能灯固件代码
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kerwincui
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# The following lines of boilerplate have to be in your project's CMakeLists
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# 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(power_save)
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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 := power_save
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include $(IDF_PATH)/make/project.mk
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# Wifi Power Save Example
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This example shows how to use power save mode of wifi.
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Power save mode only works in station mode. If the modem sleep mode is enabled, station will switch between active and sleep state periodically after connecting to AP successfully. In sleep state, RF, PHY and BB are turned off in order to reduce power consumption. Station can keep connection with AP in modem sleep mode.
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* No power save: This is default mode. And the esp32 will work with full power.
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* Minimum modem sleep: In minimum modem sleep mode, station wakes up every DTIM to receive beacon. Broadcast data will not be lost because it is transmitted after DTIM. However, it can not save much more power if DTIM is short for DTIM is determined by AP.
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* Maximum modem sleep: In maximum modem sleep mode, station wakes up every listen interval to receive beacon. Broadcast data may be lost because station may be in sleep state at DTIM time. If listen interval is longer, more power is saved but broadcast data is more easy to lose.
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* others: not supported yet.
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idf_component_register(SRCS "power_save.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_WIFI_LISTEN_INTERVAL
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int "WiFi listen interval"
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default 3
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help
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Interval for station to listen to beacon from AP. The unit of listen interval is one beacon interval.
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For example, if beacon interval is 100 ms and listen interval is 3, the interval for station to listen
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to beacon is 300 ms.
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choice EXAMPLE_POWER_SAVE_MODE
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prompt "power save mode"
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default EXAMPLE_POWER_SAVE_MIN_MODEM
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help
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Power save mode for the esp32 to use. Modem sleep mode includes minimum and maximum power save modes.
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In minimum power save mode, station wakes up every DTIM to receive beacon. Broadcast data will not be
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lost because it is transmitted after DTIM. However, it can not save much more power if DTIM is short
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for DTIM is determined by AP.
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In maximum power save mode, station wakes up every listen interval to receive beacon. Broadcast data
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may be lost because station may be in sleep state at DTIM time. If listen interval is longer, more power
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is saved but broadcast data is more easy to lose.
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config EXAMPLE_POWER_SAVE_NONE
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bool "none"
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config EXAMPLE_POWER_SAVE_MIN_MODEM
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bool "minimum modem"
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config EXAMPLE_POWER_SAVE_MAX_MODEM
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bool "maximum modem"
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endchoice
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choice EXAMPLE_MAX_CPU_FREQ
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prompt "Maximum CPU frequency"
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default EXAMPLE_MAX_CPU_FREQ_80
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help
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Maximum CPU frequency to use for dynamic frequency scaling.
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config EXAMPLE_MAX_CPU_FREQ_80
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bool "80 MHz"
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config EXAMPLE_MAX_CPU_FREQ_160
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bool "160 MHz"
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config EXAMPLE_MAX_CPU_FREQ_240
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bool "240 MHz"
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endchoice
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config EXAMPLE_MAX_CPU_FREQ_MHZ
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int
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default 80 if EXAMPLE_MAX_CPU_FREQ_80
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default 160 if EXAMPLE_MAX_CPU_FREQ_160
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default 240 if EXAMPLE_MAX_CPU_FREQ_240
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choice EXAMPLE_MIN_CPU_FREQ
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prompt "Minimum CPU frequency"
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default EXAMPLE_MIN_CPU_FREQ_10M
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help
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Minimum CPU frequency to use for dynamic frequency scaling.
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Should be set to XTAL frequency or XTAL frequency divided by integer.
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config EXAMPLE_MIN_CPU_FREQ_40M
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bool "40 MHz (use with 40MHz XTAL)"
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depends on IDF_TARGET_ESP32S2 || ESP32_XTAL_FREQ_40 || ESP32_XTAL_FREQ_AUTO
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config EXAMPLE_MIN_CPU_FREQ_20M
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bool "20 MHz (use with 40MHz XTAL)"
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depends on IDF_TARGET_ESP32S2 || ESP32_XTAL_FREQ_40 || ESP32_XTAL_FREQ_AUTO
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config EXAMPLE_MIN_CPU_FREQ_10M
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bool "10 MHz (use with 40MHz XTAL)"
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depends on IDF_TARGET_ESP32S2 || ESP32_XTAL_FREQ_40 || ESP32_XTAL_FREQ_AUTO
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config EXAMPLE_MIN_CPU_FREQ_26M
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bool "26 MHz (use with 26MHz XTAL)"
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depends on ESP32_XTAL_FREQ_26 || ESP32_XTAL_FREQ_AUTO
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config EXAMPLE_MIN_CPU_FREQ_13M
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bool "13 MHz (use with 26MHz XTAL)"
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depends on ESP32_XTAL_FREQ_26 || ESP32_XTAL_FREQ_AUTO
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endchoice
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config EXAMPLE_MIN_CPU_FREQ_MHZ
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int
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default 40 if EXAMPLE_MIN_CPU_FREQ_40M
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default 20 if EXAMPLE_MIN_CPU_FREQ_20M
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default 10 if EXAMPLE_MIN_CPU_FREQ_10M
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default 26 if EXAMPLE_MIN_CPU_FREQ_26M
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default 13 if EXAMPLE_MIN_CPU_FREQ_13M
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endmenu
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#
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# "main" pseudo-component makefile.
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#
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# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)
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/* Power save 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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/*
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this example shows how to use power save mode
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set a router or a AP using the same SSID&PASSWORD as configuration of this example.
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start esp32 and when it connected to AP it will enter power save mode
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*/
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#include "freertos/FreeRTOS.h"
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#include "freertos/event_groups.h"
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#include "esp_wifi.h"
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#include "esp_log.h"
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#include "esp_event.h"
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#include "esp_pm.h"
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#include "nvs_flash.h"
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/*set the ssid and password via "idf.py menuconfig"*/
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#define DEFAULT_SSID CONFIG_EXAMPLE_WIFI_SSID
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#define DEFAULT_PWD CONFIG_EXAMPLE_WIFI_PASSWORD
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#define DEFAULT_LISTEN_INTERVAL CONFIG_EXAMPLE_WIFI_LISTEN_INTERVAL
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#if CONFIG_EXAMPLE_POWER_SAVE_MIN_MODEM
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#define DEFAULT_PS_MODE WIFI_PS_MIN_MODEM
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#elif CONFIG_EXAMPLE_POWER_SAVE_MAX_MODEM
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#define DEFAULT_PS_MODE WIFI_PS_MAX_MODEM
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#elif CONFIG_EXAMPLE_POWER_SAVE_NONE
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#define DEFAULT_PS_MODE WIFI_PS_NONE
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#else
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#define DEFAULT_PS_MODE WIFI_PS_NONE
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#endif /*CONFIG_POWER_SAVE_MODEM*/
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static const char *TAG = "power_save";
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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_DISCONNECTED) {
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esp_wifi_connect();
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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, "got ip: " IPSTR, IP2STR(&event->ip_info.ip));
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}
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}
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/*init wifi as sta and set power save mode*/
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static void wifi_power_save(void)
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{
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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_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL, NULL));
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ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL, NULL));
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wifi_config_t wifi_config = {
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.sta = {
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.ssid = DEFAULT_SSID,
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.password = DEFAULT_PWD,
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.listen_interval = DEFAULT_LISTEN_INTERVAL,
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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(ESP_IF_WIFI_STA, &wifi_config));
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ESP_ERROR_CHECK(esp_wifi_start());
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ESP_LOGI(TAG, "esp_wifi_set_ps().");
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esp_wifi_set_ps(DEFAULT_PS_MODE);
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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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#if CONFIG_PM_ENABLE
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// Configure dynamic frequency scaling:
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// maximum and minimum frequencies are set in sdkconfig,
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// automatic light sleep is enabled if tickless idle support is enabled.
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#if CONFIG_IDF_TARGET_ESP32
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esp_pm_config_esp32_t pm_config = {
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#elif CONFIG_IDF_TARGET_ESP32S2
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esp_pm_config_esp32s2_t pm_config = {
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#endif
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.max_freq_mhz = CONFIG_EXAMPLE_MAX_CPU_FREQ_MHZ,
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.min_freq_mhz = CONFIG_EXAMPLE_MIN_CPU_FREQ_MHZ,
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#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
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.light_sleep_enable = true
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#endif
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};
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ESP_ERROR_CHECK( esp_pm_configure(&pm_config) );
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#endif // CONFIG_PM_ENABLE
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wifi_power_save();
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}
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# Use lower CPU frequency
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CONFIG_ESP32_DEFAULT_CPU_FREQ_80=y
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# Enable support for power management
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CONFIG_PM_ENABLE=y
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# Enable tickless idle mode
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CONFIG_FREERTOS_USE_TICKLESS_IDLE=y
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# Use RTC timer as reference
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CONFIG_PM_USE_RTC_TIMER_REF=y
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