deep sleep now powers down GPS and lora radio
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@ -56,8 +56,8 @@ void ttn_register(void (*callback)(uint8_t message));
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#define DEBUG_PORT Serial // Serial debug port
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#define SERIAL_BAUD 115200 // Serial debug baud rate
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#define SLEEP_BETWEEN_MESSAGES 0 // Do sleep between messages
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#define SEND_INTERVAL 60000 // Sleep for these many millis
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#define SLEEP_BETWEEN_MESSAGES true // Do sleep between messages
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#define SEND_INTERVAL (5 * 60 * 1000) // Sleep for these many millis
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#define MESSAGE_TO_SLEEP_DELAY 5000 // Time after message before going to sleep
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#define LOGO_DELAY 5000 // Time to show logo on first boot
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#define LORAWAN_PORT 10 // Port the messages will be sent to
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@ -67,10 +67,7 @@ void ttn_register(void (*callback)(uint8_t message));
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#define REQUIRE_RADIO true // If true, we will fail to start if the radio is not found
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// If not defined, we will wait for lock forever
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// #define GPS_WAIT_FOR_LOCK 5000 // Wait 5s after every boot for GPS lock
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// If defined, we will enter deep sleep after sending our packet. We will sleep until this interval expires or the user presses the button
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// #define DEEPSLEEP_INTERVAL (60 * 60 * 1000ULL) // sleep after we've received one message from the server (or we ran out of time), sleep for this many msecs
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#define GPS_WAIT_FOR_LOCK (30 * 1000) // Wait 30s after every boot for GPS lock (may need longer than 5s because we turned the gps off during deep sleep)
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// -----------------------------------------------------------------------------
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// DEBUG
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129
main/main.ino
129
main/main.ino
@ -90,6 +90,40 @@ bool trySend() {
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}
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}
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void doDeepSleep(uint64_t msecToWake)
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{
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Serial.printf("Entering deep sleep for %llu seconds\n", msecToWake / 1000);
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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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void sleep() {
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#if SLEEP_BETWEEN_MESSAGES
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@ -110,7 +144,7 @@ void sleep() {
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// We sleep for the interval between messages minus the current millis
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// this way we distribute the messages evenly every SEND_INTERVAL millis
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uint32_t sleep_for = (millis() < SEND_INTERVAL) ? SEND_INTERVAL - millis() : SEND_INTERVAL;
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sleep_millis(sleep_for);
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doDeepSleep(sleep_for);
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#endif
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}
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@ -330,81 +364,11 @@ void setup() {
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}
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}
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#ifdef DEEPSLEEP_INTERVAL
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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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void doDeepSleep()
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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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#ifdef GPS_WAIT_FOR_LOCK
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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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#endif
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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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@ -431,18 +395,3 @@ void nonDeepSleepLoop() {
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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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