Sensebender Micro Sketch and library files



  • a year ago I bought 8 Sensebender Micro boards. I want to deploy them different, but run into different problems within the Arduino IDE environment.

    I upgraded to version 1.8.8 and use Mysensors 2.3.1 library.

    Where can I find a sketch that does Temp/Hum and door and exact what mysensors libraries do I need and where can I find them.

    When I compile the default sketch, I run into multiple problems with

    sha204_lib_return_codes
    SI7021
    RunningAverage


  • Mod

    @egrootoonk do you mean https://www.mysensors.org/build/humidity and https://www.mysensors.org/build/humidity_si7021 ?

    In that case, you need to install the external libraries, as described under the "Example" section on the build pages.

    If you have already installed the external libraries, posting the error messages you're getting would help tremendously.



  • I have IDE 1.8.8
    Mysensors lib 2.3.1
    and sketch from http://mysensors.org/hardware/micro

    I have two working SB micro with 5 nodes Temp, Hum, Bat, Door and motion. Based on mysensors lib 2.0.1 beta. It's working like a charm, but I dont have the original sketch.

    For my other SB Micro, I would like to create identical ones as described above.

    Is there a way to copy the sketch from the "working" sensor and turn it into a sketch again?
    If not, I have to make it work firs, add door and motion to it.

    /**
     * The MySensors Arduino library handles the wireless radio link and protocol
     * between your home built sensors/actuators and HA controller of choice.
     * The sensors forms a self healing radio network with optional repeaters. Each
     * repeater and gateway builds a routing tables in EEPROM which keeps track of the
     * network topology allowing messages to be routed to nodes.
     *
     * Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
     * Copyright (C) 2013-2015 Sensnology AB
     * Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors
     *
     * Documentation: http://www.mysensors.org
     * Support Forum: http://forum.mysensors.org
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License
     * version 2 as published by the Free Software Foundation.
     *
     *******************************
     *
     * REVISION HISTORY
     * Version 1.0 - Thomas Bowman MC8rch
     * 
     * DESCRIPTION
     * Default sensor sketch for Sensebender Micro module
     * Act as a temperature / humidity sensor by default.
     *
     * If A0 is held low while powering on, it will enter testmode, which verifies all on-board peripherals
     *  
     * Battery voltage is as battery percentage (Internal message), and optionally as a sensor value (See defines below)
     *
     *
     * Version 1.3 - Thomas Bowman MC8rch
     * Improved transmission logic, eliminating spurious transmissions (when temperatuere / humidity fluctuates 1 up and down between measurements) 
     * Added OTA boot mode, need to hold A1 low while applying power. (uses slightly more power as it's waiting for bootloader messages)
     * 
     * Version 1.4 - Thomas Bowman MC8rch
     * 
     * Corrected division in the code deciding whether to transmit or not, that resulted in generating an integer. Now it's generating floats as expected.
     * Simplified detection for OTA bootloader, now detecting if MY_OTA_FIRMWARE_FEATURE is defined. If this is defined sensebender automaticly waits 300mS after each transmission
     * Moved Battery status messages, so they are transmitted together with normal sensor updates (but only every 60th minute)
     * 
     */
    
    // Enable debug prints to serial monitor
    //#define MY_DEBUG 
    
    // Define a static node address, remove if you want auto address assignment
    //#define MY_NODE_ID 3
    
    // Enable and select radio type attached
    #define MY_RADIO_NRF24
    //#define MY_RADIO_RFM69
    
    // Enable to support OTA for this node (needs DualOptiBoot boot-loader to fully work)
    #define MY_OTA_FIRMWARE_FEATURE
    
    #include <SPI.h>
    #include <MySensors.h>
    #include <Wire.h>
    #include <SI7021.h>
    #ifndef MY_OTA_FIRMWARE_FEATURE
    #include "drivers/SPIFlash/SPIFlash.cpp"
    #endif
    #include <EEPROM.h>  
    #include <sha204_lib_return_codes.h>
    #include <sha204_library.h>
    #include <RunningAverage.h>
    //#include <avr/power.h>
    
    // Uncomment the line below, to transmit battery voltage as a normal sensor value
    //#define BATT_SENSOR    199
    
    #define RELEASE "1.4"
    
    #define AVERAGES 2
    
    // Child sensor ID's
    #define CHILD_ID_TEMP  1
    #define CHILD_ID_HUM   2
    
    // How many milli seconds between each measurement
    #define MEASURE_INTERVAL 60000
    
    // How many milli seconds should we wait for OTA?
    #define OTA_WAIT_PERIOD 300
    
    // FORCE_TRANSMIT_INTERVAL, this number of times of wakeup, the sensor is forced to report all values to the controller
    #define FORCE_TRANSMIT_INTERVAL 30 
    
    // When MEASURE_INTERVAL is 60000 and FORCE_TRANSMIT_INTERVAL is 30, we force a transmission every 30 minutes.
    // Between the forced transmissions a tranmission will only occur if the measured value differs from the previous measurement
    
    // HUMI_TRANSMIT_THRESHOLD tells how much the humidity should have changed since last time it was transmitted. Likewise with
    // TEMP_TRANSMIT_THRESHOLD for temperature threshold.
    #define HUMI_TRANSMIT_THRESHOLD 0.5
    #define TEMP_TRANSMIT_THRESHOLD 0.5
    
    // Pin definitions
    #define TEST_PIN       A0
    #define LED_PIN        A2
    #define ATSHA204_PIN   17 // A3
    
    const int sha204Pin = ATSHA204_PIN;
    atsha204Class sha204(sha204Pin);
    
    SI7021 humiditySensor;
    SPIFlash flash(8, 0x1F65);
    
    // Sensor messages
    MyMessage msgHum(CHILD_ID_HUM, V_HUM);
    MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
    
    #ifdef BATT_SENSOR
    MyMessage msgBatt(BATT_SENSOR, V_VOLTAGE);
    #endif
    
    // Global settings
    int measureCount = 0;
    int sendBattery = 0;
    boolean isMetric = true;
    boolean highfreq = true;
    boolean transmission_occured = false;
    
    // Storage of old measurements
    float lastTemperature = -100;
    int lastHumidity = -100;
    long lastBattery = -100;
    
    RunningAverage raHum(AVERAGES);
    
    /****************************************************
     *
     * Setup code 
     *
     ****************************************************/
    void setup() {
    
      pinMode(LED_PIN, OUTPUT);
      digitalWrite(LED_PIN, LOW);
    
      Serial.begin(115200);
      Serial.print(F("Sensebender Micro FW "));
      Serial.print(RELEASE);
      Serial.flush();
    
      // First check if we should boot into test mode
    
      pinMode(TEST_PIN,INPUT);
      digitalWrite(TEST_PIN, HIGH); // Enable pullup
      if (!digitalRead(TEST_PIN)) testMode();
    
      // Make sure that ATSHA204 is not floating
      pinMode(ATSHA204_PIN, INPUT);
      digitalWrite(ATSHA204_PIN, HIGH);
    
      digitalWrite(TEST_PIN,LOW);
    
      digitalWrite(LED_PIN, HIGH); 
    
      humiditySensor.begin();
    
      digitalWrite(LED_PIN, LOW);
    
      Serial.flush();
      Serial.println(F(" - Online!"));
    
      isMetric = getControllerConfig().isMetric;
      Serial.print(F("isMetric: ")); Serial.println(isMetric);
      raHum.clear();
      sendTempHumidityMeasurements(false);
      sendBattLevel(false);
    
    #ifdef MY_OTA_FIRMWARE_FEATURE  
      Serial.println("OTA FW update enabled");
    #endif
    
    }
    
    void presentation()  {
      sendSketchInfo("Sensebender Micro", RELEASE);
    
      present(CHILD_ID_TEMP,S_TEMP);
      present(CHILD_ID_HUM,S_HUM);
    
    #ifdef BATT_SENSOR
      present(BATT_SENSOR, S_POWER);
    #endif
    }
    
    
    /***********************************************
     *
     *  Main loop function
     *
     ***********************************************/
    void loop() {
    
      measureCount ++;
      sendBattery ++;
      bool forceTransmit = false;
      transmission_occured = false;
    
      if (measureCount >= FORCE_TRANSMIT_INTERVAL) { // force a transmission
        forceTransmit = true; 
        measureCount = 0;
      }
    
      sendTempHumidityMeasurements(forceTransmit);
    /*  if (sendBattery > 60) 
      {
         sendBattLevel(forceTransmit); // Not needed to send battery info that often
         sendBattery = 0;
      }*/
    #ifdef MY_OTA_FIRMWARE_FEATURE
      if (transmission_occured) {
          wait(OTA_WAIT_PERIOD);
      }
    #endif
    
      sleep(MEASURE_INTERVAL);  
    }
    
    
    /*********************************************
     *
     * Sends temperature and humidity from Si7021 sensor
     *
     * Parameters
     * - force : Forces transmission of a value (even if it's the same as previous measurement)
     *
     *********************************************/
    void sendTempHumidityMeasurements(bool force)
    {
      bool tx = force;
    
      si7021_env data = humiditySensor.getHumidityAndTemperature();
    
      raHum.addValue(data.humidityPercent);
    
      float diffTemp = abs(lastTemperature - (isMetric ? data.celsiusHundredths : data.fahrenheitHundredths)/100.0);
      float diffHum = abs(lastHumidity - raHum.getAverage());
    
      Serial.print(F("TempDiff :"));Serial.println(diffTemp);
      Serial.print(F("HumDiff  :"));Serial.println(diffHum); 
    
      if (isnan(diffHum)) tx = true; 
      if (diffTemp >= TEMP_TRANSMIT_THRESHOLD) tx = true;
      if (diffHum >= HUMI_TRANSMIT_THRESHOLD) tx = true;
    
      if (tx) {
        measureCount = 0;
        float temperature = (isMetric ? data.celsiusHundredths : data.fahrenheitHundredths) / 100.0;
    
        int humidity = data.humidityPercent;
        Serial.print("T: ");Serial.println(temperature);
        Serial.print("H: ");Serial.println(humidity);
    
        send(msgTemp.set(temperature,1));
        send(msgHum.set(humidity));
        lastTemperature = temperature;
        lastHumidity = humidity;
        transmission_occured = true;
        if (sendBattery > 60) {
         sendBattLevel(true); // Not needed to send battery info that often
         sendBattery = 0;
        }
      }
    }
    
    /********************************************
     *
     * Sends battery information (battery percentage)
     *
     * Parameters
     * - force : Forces transmission of a value
     *
     *******************************************/
    void sendBattLevel(bool force)
    {
      if (force) lastBattery = -1;
      long vcc = readVcc();
      if (vcc != lastBattery) {
        lastBattery = vcc;
    
    #ifdef BATT_SENSOR
        float send_voltage = float(vcc)/1000.0f;
        send(msgBatt.set(send_voltage,3));
    #endif
    
        // Calculate percentage
    
        vcc = vcc - 1900; // subtract 1.9V from vcc, as this is the lowest voltage we will operate at
    
        long percent = vcc / 14.0;
        sendBatteryLevel(percent);
        transmission_occured = true;
      }
    }
    
    /*******************************************
     *
     * Internal battery ADC measuring 
     *
     *******************************************/
    long readVcc() {
      // Read 1.1V reference against AVcc
      // set the reference to Vcc and the measurement to the internal 1.1V reference
      #if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
        ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
      #elif defined (__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
        ADMUX = _BV(MUX5) | _BV(MUX0);
      #elif defined (__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
        ADcdMUX = _BV(MUX3) | _BV(MUX2);
      #else
        ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
      #endif  
    
      delay(2); // Wait for Vref to settle
      ADCSRA |= _BV(ADSC); // Start conversion
      while (bit_is_set(ADCSRA,ADSC)); // measuring
    
      uint8_t low  = ADCL; // must read ADCL first - it then locks ADCH  
      uint8_t high = ADCH; // unlocks both
    
      long result = (high<<8) | low;
    
      result = 1125300L / result; // Calculate Vcc (in mV); 1125300 = 1.1*1023*1000
      return result; // Vcc in millivolts
    
    }
    
    /****************************************************
     *
     * Verify all peripherals, and signal via the LED if any problems.
     *
     ****************************************************/
    void testMode()
    {
      uint8_t rx_buffer[SHA204_RSP_SIZE_MAX];
      uint8_t ret_code;
      byte tests = 0;
    
      digitalWrite(LED_PIN, HIGH); // Turn on LED.
      Serial.println(F(" - TestMode"));
      Serial.println(F("Testing peripherals!"));
      Serial.flush();
      Serial.print(F("-> SI7021 : ")); 
      Serial.flush();
    
      if (humiditySensor.begin()) 
      {
        Serial.println(F("ok!"));
        tests ++;
      }
      else
      {
        Serial.println(F("failed!"));
      }
      Serial.flush();
    
      Serial.print(F("-> Flash : "));
      Serial.flush();
      if (flash.initialize())
      {
        Serial.println(F("ok!"));
        tests ++;
      }
      else
      {
        Serial.println(F("failed!"));
      }
      Serial.flush();
    
    
      Serial.print(F("-> SHA204 : "));
      ret_code = sha204.sha204c_wakeup(rx_buffer);
      Serial.flush();
      if (ret_code != SHA204_SUCCESS)
      {
        Serial.print(F("Failed to wake device. Response: ")); Serial.println(ret_code, HEX);
      }
      Serial.flush();
      if (ret_code == SHA204_SUCCESS)
      {
        ret_code = sha204.getSerialNumber(rx_buffer);
        if (ret_code != SHA204_SUCCESS)
        {
          Serial.print(F("Failed to obtain device serial number. Response: ")); Serial.println(ret_code, HEX);
        }
        else
        {
          Serial.print(F("Ok (serial : "));
          for (int i=0; i<9; i++)
          {
            if (rx_buffer[i] < 0x10)
            {
              Serial.print('0'); // Because Serial.print does not 0-pad HEX
            }
            Serial.print(rx_buffer[i], HEX);
          }
          Serial.println(")");
          tests ++;
        }
    
      }
      Serial.flush();
    
      Serial.println(F("Test finished"));
    
      if (tests == 3) 
      {
        Serial.println(F("Selftest ok!"));
        while (1) // Blink OK pattern!
        {
          digitalWrite(LED_PIN, HIGH);
          delay(200);
          digitalWrite(LED_PIN, LOW);
          delay(200);
        }
      }
      else 
      {
        Serial.println(F("----> Selftest failed!"));
        while (1) // Blink FAILED pattern! Rappidly blinking..
        {
        }
      }  
    }
    
    

    This is the error:

    C:\Users\edwin\Documents\Arduino\Sensebender_Micro_voor_mysensor-lib_2.0\Sensebender_Micro_voor_mysensor-lib_2.0.ino: In function 'void sendTempHumidityMeasurements(bool)':

    Sensebender_Micro_voor_mysensor-lib_2.0:239:23: error: 'si7021_env {aka struct si7021_env}' has no member named 'humidityPercent'

    raHum.addValue(data.humidityPercent);

    Sensebender_Micro_voor_mysensor-lib_2.0:255:25: error: 'si7021_env {aka struct si7021_env}' has no member named 'humidityPercent'

     int humidity = data.humidityPercent;
    

    exit status 1
    'si7021_env {aka struct si7021_env}' has no member named 'humidityPercent'



  • I've ported SensebenderMicro.ino to MySensors 2.3.1 and PlatformIO. You may check it here: https://gist.github.com/radek-senfeld/ac829f6ef117bd04638659709b51e9e9

    It's deployed on one of my SBMs for just a couple of minutes so.. here be dragons! 🙂


 

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