diff --git a/examples/simple_repeater/MyMesh.cpp b/examples/simple_repeater/MyMesh.cpp index 6ae6ac0a..326417a4 100644 --- a/examples/simple_repeater/MyMesh.cpp +++ b/examples/simple_repeater/MyMesh.cpp @@ -1115,3 +1115,8 @@ void MyMesh::loop() { uptime_millis += now - last_millis; last_millis = now; } + +// To get the current pending work +int MyMesh::hasPendingWork() const { + return _mgr->getOutboundCount(0xFFFFFFFF); +} diff --git a/examples/simple_repeater/MyMesh.h b/examples/simple_repeater/MyMesh.h index ed9f0c5f..6dc4792e 100644 --- a/examples/simple_repeater/MyMesh.h +++ b/examples/simple_repeater/MyMesh.h @@ -225,4 +225,7 @@ public: bridge.begin(); } #endif + + // To get the current pending work + int hasPendingWork() const; }; diff --git a/examples/simple_repeater/main.cpp b/examples/simple_repeater/main.cpp index 7387e77e..d67a7029 100644 --- a/examples/simple_repeater/main.cpp +++ b/examples/simple_repeater/main.cpp @@ -19,12 +19,19 @@ void halt() { static char command[160]; +// For power saving +unsigned long lastActive = 0; // mark last active time +unsigned long nextSleepinSecs = 120; // next sleep in seconds. The first sleep (if enabled) is after 2 minutes from boot + void setup() { Serial.begin(115200); delay(1000); board.begin(); + // For power saving + lastActive = millis(); // mark last active time since boot + #ifdef DISPLAY_CLASS if (display.begin()) { display.startFrame(); @@ -117,4 +124,15 @@ void loop() { ui_task.loop(); #endif rtc_clock.tick(); + + if (the_mesh.getNodePrefs()->powersaving_enabled && // To check if power saving is enabled + the_mesh.millisHasNowPassed(lastActive + nextSleepinSecs * 1000)) { // To check if it is time to sleep + if (the_mesh.hasPendingWork() == 0) { // No pending work. Safe to sleep + board.sleep(1800); // To sleep. Wake up after 30 minutes or when receiving a LoRa packet + lastActive = millis(); + nextSleepinSecs = 5; // Default: To work for 5s and sleep again + } else { + nextSleepinSecs += 5; // When there is pending work, to work another 5s + } + } } diff --git a/src/MeshCore.h b/src/MeshCore.h index eb794058..718660d3 100644 --- a/src/MeshCore.h +++ b/src/MeshCore.h @@ -51,6 +51,7 @@ public: virtual void onAfterTransmit() { } virtual void reboot() = 0; virtual void powerOff() { /* no op */ } + virtual void sleep(uint32_t secs) { /* no op */ } virtual uint32_t getGpio() { return 0; } virtual void setGpio(uint32_t values) {} virtual uint8_t getStartupReason() const = 0; diff --git a/src/helpers/CommonCLI.cpp b/src/helpers/CommonCLI.cpp index a3de990a..af27a902 100644 --- a/src/helpers/CommonCLI.cpp +++ b/src/helpers/CommonCLI.cpp @@ -65,7 +65,7 @@ void CommonCLI::loadPrefsInt(FILESYSTEM* fs, const char* filename) { file.read((uint8_t *)&_prefs->bridge_baud, sizeof(_prefs->bridge_baud)); // 131 file.read((uint8_t *)&_prefs->bridge_channel, sizeof(_prefs->bridge_channel)); // 135 file.read((uint8_t *)&_prefs->bridge_secret, sizeof(_prefs->bridge_secret)); // 136 - file.read(pad, 4); // 152 + file.read((uint8_t *)&_prefs->powersaving_enabled, sizeof(_prefs->powersaving_enabled)); // 152 file.read((uint8_t *)&_prefs->gps_enabled, sizeof(_prefs->gps_enabled)); // 156 file.read((uint8_t *)&_prefs->gps_interval, sizeof(_prefs->gps_interval)); // 157 file.read((uint8_t *)&_prefs->advert_loc_policy, sizeof (_prefs->advert_loc_policy)); // 161 @@ -145,7 +145,7 @@ void CommonCLI::savePrefs(FILESYSTEM* fs) { file.write((uint8_t *)&_prefs->bridge_baud, sizeof(_prefs->bridge_baud)); // 131 file.write((uint8_t *)&_prefs->bridge_channel, sizeof(_prefs->bridge_channel)); // 135 file.write((uint8_t *)&_prefs->bridge_secret, sizeof(_prefs->bridge_secret)); // 136 - file.write(pad, 4); // 152 + file.write((uint8_t *)&_prefs->powersaving_enabled, sizeof(_prefs->powersaving_enabled)); // 152 file.write((uint8_t *)&_prefs->gps_enabled, sizeof(_prefs->gps_enabled)); // 156 file.write((uint8_t *)&_prefs->gps_interval, sizeof(_prefs->gps_interval)); // 157 file.write((uint8_t *)&_prefs->advert_loc_policy, sizeof(_prefs->advert_loc_policy)); // 161 @@ -676,6 +676,20 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch strcpy(reply, "Can't find GPS"); } #endif + } else if (memcmp(command, "powersaving on", 14) == 0) { + _prefs->powersaving_enabled = 1; + savePrefs(); + strcpy(reply, "ok"); // TODO: to return Not supported if required + } else if (memcmp(command, "powersaving off", 15) == 0) { + _prefs->powersaving_enabled = 0; + savePrefs(); + strcpy(reply, "ok"); + } else if (memcmp(command, "powersaving", 11) == 0) { + if (_prefs->powersaving_enabled) { + strcpy(reply, "on"); + } else { + strcpy(reply, "off"); + } } else if (memcmp(command, "log start", 9) == 0) { _callbacks->setLoggingOn(true); strcpy(reply, " logging on"); diff --git a/src/helpers/CommonCLI.h b/src/helpers/CommonCLI.h index 068783ab..ca1a5612 100644 --- a/src/helpers/CommonCLI.h +++ b/src/helpers/CommonCLI.h @@ -48,6 +48,8 @@ struct NodePrefs { // persisted to file uint8_t advert_loc_policy; uint32_t discovery_mod_timestamp; float adc_multiplier; + // Power setting + uint8_t powersaving_enabled; // boolean }; class CommonCLICallbacks { diff --git a/src/helpers/ESP32Board.h b/src/helpers/ESP32Board.h index 64c92c43..d49feddf 100644 --- a/src/helpers/ESP32Board.h +++ b/src/helpers/ESP32Board.h @@ -8,6 +8,8 @@ #include #include #include +#include +#include "driver/rtc_io.h" class ESP32Board : public mesh::MainBoard { protected: @@ -47,6 +49,27 @@ public: return temperatureRead(); } + void enterLightSleep(uint32_t secs) { +#if defined(CONFIG_IDF_TARGET_ESP32S3) // Supported ESP32 variants + if (rtc_gpio_is_valid_gpio((gpio_num_t)P_LORA_DIO_1)) { // Only enter sleep mode if P_LORA_DIO_1 is RTC pin + esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON); + esp_sleep_enable_ext1_wakeup((1L << P_LORA_DIO_1), ESP_EXT1_WAKEUP_ANY_HIGH); // To wake up when receiving a LoRa packet + + if (secs > 0) { + esp_sleep_enable_timer_wakeup(secs * 1000000); // To wake up every hour to do periodically jobs + } + + esp_light_sleep_start(); // CPU enters light sleep + } +#endif + } + + void sleep(uint32_t secs) override { + if (WiFi.getMode() == WIFI_MODE_NULL) { // WiFi is off ~ No active OTA, safe to go to sleep + enterLightSleep(secs); // To wake up after "secs" seconds or when receiving a LoRa packet + } + } + uint8_t getStartupReason() const override { return startup_reason; } #if defined(P_LORA_TX_LED)