enter deep sleep as soon as we send one packet
This commit is contained in:
parent
a35c6dcbe9
commit
8863cb7d5c
164
main/main.ino
164
main/main.ino
@ -36,6 +36,8 @@ String baChStatus = "No charging";
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bool ssd1306_found = false;
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bool ssd1306_found = false;
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bool axp192_found = false;
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bool axp192_found = false;
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bool packetSent, packetQueued;
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#if defined(PAYLOAD_USE_FULL)
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#if defined(PAYLOAD_USE_FULL)
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// includes number of satellites and accuracy
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// includes number of satellites and accuracy
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static uint8_t txBuffer[10];
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static uint8_t txBuffer[10];
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@ -54,7 +56,14 @@ esp_sleep_source_t wakeCause; // the reason we booted this time
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void buildPacket(uint8_t txBuffer[]); // needed for platformio
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void buildPacket(uint8_t txBuffer[]); // needed for platformio
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void send() {
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/**
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* If we have a valid position send it to the server.
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* @return true if we decided to send.
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*/
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bool trySend() {
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packetSent = false;
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if (0 < gps_hdop() && gps_hdop() < 50 && gps_latitude() != 0 && gps_longitude() != 0)
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{
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char buffer[40];
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char buffer[40];
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snprintf(buffer, sizeof(buffer), "Latitude: %10.6f\n", gps_latitude());
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snprintf(buffer, sizeof(buffer), "Latitude: %10.6f\n", gps_latitude());
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screen_print(buffer);
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screen_print(buffer);
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@ -71,7 +80,13 @@ void send() {
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bool confirmed = false;
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bool confirmed = false;
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#endif
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#endif
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packetQueued = true;
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ttn_send(txBuffer, sizeof(txBuffer), LORAWAN_PORT, confirmed);
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ttn_send(txBuffer, sizeof(txBuffer), LORAWAN_PORT, confirmed);
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return true;
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}
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else {
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return false;
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}
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}
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}
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void sleep() {
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void sleep() {
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@ -115,9 +130,11 @@ void callback(uint8_t message) {
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if (EV_PENDING == message) screen_print("Message discarded\n");
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if (EV_PENDING == message) screen_print("Message discarded\n");
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if (EV_QUEUED == message) screen_print("Message queued\n");
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if (EV_QUEUED == message) screen_print("Message queued\n");
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if (EV_TXCOMPLETE == message) {
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// We only want to say 'packetSent' for our packets (not packets needed for joining)
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if (EV_TXCOMPLETE == message && packetQueued) {
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screen_print("Message sent\n");
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screen_print("Message sent\n");
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sleep();
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packetQueued = false;
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packetSent = true;
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}
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}
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if (EV_RESPONSE == message) {
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if (EV_RESPONSE == message) {
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@ -234,41 +251,6 @@ void axp192Init() {
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}
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}
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void doDeepSleep()
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{
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#if DEEPSLEEP_INTERVAL
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uint64_t msecToWake = DEEPSLEEP_INTERVAL;
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Serial.printf("Entering deep sleep %llu\n", msecToWake);
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// not using wifi yet, but once we are this is needed to shutoff the radio hw
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// esp_wifi_stop();
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screen_off(); // datasheet says this will draw only 10ua
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LMIC_shutdown(); // cleanly shutdown the radio
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if(axp192_found) {
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// turn on after initial testing with real hardware
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// axp.setPowerOutPut(AXP192_LDO2, AXP202_OFF); // LORA radio
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// axp.setPowerOutPut(AXP192_LDO3, AXP202_OFF); // GPS main power
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}
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// FIXME - use an external 10k pulldown so we can leave the RTC peripherals powered off
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// until then we need the following lines
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esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
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// Only GPIOs which are have RTC functionality can be used in this bit map: 0,2,4,12-15,25-27,32-39.
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uint64_t gpioMask = (1ULL << BUTTON_PIN);
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// FIXME change polarity so we can wake on ANY_HIGH instead - that would allow us to use all three buttons (instead of just the first)
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gpio_pullup_en((gpio_num_t) BUTTON_PIN);
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esp_sleep_enable_ext1_wakeup(gpioMask, ESP_EXT1_WAKEUP_ALL_LOW);
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esp_sleep_enable_timer_wakeup(msecToWake * 1000ULL); // call expects usecs
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esp_deep_sleep_start(); // TBD mA sleep current (battery)
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#endif
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}
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// Perform power on init that we do on each wake from deep sleep
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// Perform power on init that we do on each wake from deep sleep
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void initDeepSleep() {
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void initDeepSleep() {
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bootCount++;
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bootCount++;
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@ -313,7 +295,10 @@ void setup() {
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DEBUG_MSG(APP_NAME " " APP_VERSION "\n");
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DEBUG_MSG(APP_NAME " " APP_VERSION "\n");
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// Don't init display if we don't have one or we are waking headless due to a timer event
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// Don't init display if we don't have one or we are waking headless due to a timer event
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if(ssd1306_found && wakeCause != ESP_SLEEP_WAKEUP_TIMER)
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if(wakeCause == ESP_SLEEP_WAKEUP_TIMER)
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ssd1306_found = false; // forget we even have the hardware
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if(ssd1306_found)
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screen_setup();
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screen_setup();
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// Init GPS
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// Init GPS
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@ -340,20 +325,92 @@ void setup() {
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ttn_adr(LORAWAN_ADR);
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ttn_adr(LORAWAN_ADR);
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}
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}
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void loop() {
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#ifdef DEEPSLEEP_INTERVAL
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gps_loop();
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ttn_loop();
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void doDeepSleep()
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screen_loop();
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{
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uint64_t msecToWake = DEEPSLEEP_INTERVAL;
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Serial.printf("Entering deep sleep %llu\n", msecToWake);
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// not using wifi yet, but once we are this is needed to shutoff the radio hw
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// esp_wifi_stop();
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screen_off(); // datasheet says this will draw only 10ua
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LMIC_shutdown(); // cleanly shutdown the radio
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if(axp192_found) {
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// turn on after initial testing with real hardware
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// axp.setPowerOutPut(AXP192_LDO2, AXP202_OFF); // LORA radio
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// axp.setPowerOutPut(AXP192_LDO3, AXP202_OFF); // GPS main power
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}
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// FIXME - use an external 10k pulldown so we can leave the RTC peripherals powered off
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// until then we need the following lines
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esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
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// Only GPIOs which are have RTC functionality can be used in this bit map: 0,2,4,12-15,25-27,32-39.
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uint64_t gpioMask = (1ULL << BUTTON_PIN);
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// FIXME change polarity so we can wake on ANY_HIGH instead - that would allow us to use all three buttons (instead of just the first)
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gpio_pullup_en((gpio_num_t) BUTTON_PIN);
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esp_sleep_enable_ext1_wakeup(gpioMask, ESP_EXT1_WAKEUP_ALL_LOW);
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esp_sleep_enable_timer_wakeup(msecToWake * 1000ULL); // call expects usecs
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esp_deep_sleep_start(); // TBD mA sleep current (battery)
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}
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/// send ONE packet (or timeout waiting for GPS/LORA) and then enter deep sleep. If screen is on let the user have a few seconds to
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/// see the results
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void deepSleepLoop() {
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// Send every SEND_INTERVAL millis
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static uint32_t last = 0, timeToSleep = 0;
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static bool first = true;
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uint32_t now = millis();
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if(packetSent) { // we've sent at least one packet to the server
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timeToSleep = ssd1306_found ? now + 5000 : now; // If the display is on allow the user a few seconds to see it, otherwise go to sleep ASAP
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}
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if(timeToSleep && now >= timeToSleep) // if a sleep was queued, possibly do it
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doDeepSleep();
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if (0 == last || now - last > SEND_INTERVAL) {
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if (trySend()) {
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last = millis();
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first = false;
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Serial.println("TRANSMITTED");
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} else {
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if (first) {
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screen_print("Waiting GPS lock\n");
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first = false;
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}
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if (millis() > GPS_WAIT_FOR_LOCK) { // we never found a GPS lock, just go back to sleep
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doDeepSleep();
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}
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}
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}
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}
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#else
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/// loop endlessly, sending a packet every SEND_INTERVAL
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void nonDeepSleepLoop() {
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if(packetSent) {
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packetSent = false;
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sleep();
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}
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// Send every SEND_INTERVAL millis
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// Send every SEND_INTERVAL millis
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static uint32_t last = 0;
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static uint32_t last = 0;
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static bool first = true;
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static bool first = true;
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if (0 == last || millis() - last > SEND_INTERVAL) {
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if (0 == last || millis() - last > SEND_INTERVAL) {
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if (0 < gps_hdop() && gps_hdop() < 50 && gps_latitude() != 0 && gps_longitude() != 0) {
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if (trySend()) {
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last = millis();
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last = millis();
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first = false;
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first = false;
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Serial.println("TRANSMITTING");
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Serial.println("TRANSMITTED");
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send();
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} else {
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} else {
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if (first) {
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if (first) {
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screen_print("Waiting GPS lock\n");
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screen_print("Waiting GPS lock\n");
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@ -365,3 +422,18 @@ void loop() {
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}
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}
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}
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}
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}
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}
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#endif
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void loop() {
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gps_loop();
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ttn_loop();
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screen_loop();
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#ifdef DEEPSLEEP_INTERVAL
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deepSleepLoop();
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#else
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nonDeepSleepLoop();
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#endif
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}
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