add ds18b20 temperature sensors

controller_teensy/include/display.h

@@ -181,8 +181,11 @@ void display_standingDisplay(ESCSerialComm& escFront, ESCSerialComm& escRear) {
   display.print(" V");
   display.println();
 
-  display.print(F("Temp:")); display.print(escFront.getFeedback_boardTemp());
+  //display.print(F("Temp:")); display.print(escFront.getFeedback_boardTemp());
-  display.print(F("/")); display.print(escRear.getFeedback_boardTemp());
+  //display.print(F("/")); display.print(escRear.getFeedback_boardTemp());
+  display.print(F("T:")); display.print(temp_ESCFront,0);
+  display.print(F("/")); display.print(temp_ESCRear,0);
+  display.print(F("/")); display.print(temp_Air,0);
   display.print(" C");
   display.println();
 

controller_teensy/include/logging.h

@@ -65,7 +65,8 @@ void loggingLoop(unsigned long loopmillis,ESCSerialComm& escFront, ESCSerialComm
           dataFile.print("current_FrontL,current_FrontR,current_RearL,current_RearR,");
           dataFile.print("rpm_FrontL,rpm_FrontR,rpm_RearL,rpm_RearR,");
           dataFile.print("temp_Front,temp_Rear,vbat_Front,vbat_Rear,");
-          dataFile.println("currentAll,throttle,brake,speed,trip_Front,trip_Rear,currentConsumed_Front,currentConsumed_Rear");
+          dataFile.print("currentAll,throttle,brake,speed,trip_Front,trip_Rear,currentConsumed_Front,currentConsumed_Rear");
+          dataFile.println("temp_ESCFront,temp_ESCRear,temp_Air");
           dataFile.print("#TIMESTAMP:"); dataFile.println(now());
           logging_headerWritten=true;
         }
@@ -94,6 +95,9 @@ void loggingLoop(unsigned long loopmillis,ESCSerialComm& escFront, ESCSerialComm
         dataFile.print(escRear.getTrip());  dataFile.print(";");
         dataFile.print(escFront.getCurrentConsumed(),3); dataFile.print(";");
         dataFile.print(escRear.getCurrentConsumed(),3); dataFile.print(";");
+        dataFile.print(temp_ESCFront,2); dataFile.print(";");
+        dataFile.print(temp_ESCRear,2); dataFile.print(";");
+        dataFile.print(temp_Air,2); dataFile.print(";");
         dataFile.println("");
         dataFile.close();
       }

controller_teensy/include/temperature.h

@@ -0,0 +1,105 @@
+#ifndef _TEMPERATURE_H_
+#define _TEMPERATURE_H_
+
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+DeviceAddress thermometerESCFront={0x28,0xFF,0x64,0x0E,0x77,0xB0,0xAB,0x4B}; //IC with one marking  28FF640E77B0AB4B
+float temp_ESCFront;
+DeviceAddress thermometerESCRear={0x28,0xFF,0x64,0x0E,0x76,0x5D,0x86,0xC2}; //IC with two markings  
+float temp_ESCRear;
+DeviceAddress thermometerAir={0x28,0xFF,0x64,0x0E,0x74,0x7E,0xFE,0x23}; //IC with three markings 28FF640E747EFE23
+float temp_Air;
+
+#define ONE_WIRE_BUS A2 //GPIO pin
+#define TEMPERATURE_PRECISION 12 //max is 12
+#define READINTERVAL_DS18B20 5000 //ms
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire);
+
+void initTemperature();
+void temperatureLoop();
+void printAddress(DeviceAddress deviceAddress);
+
+void initTemperature() {
+
+  sensors.begin();
+  delay(1000);
+
+
+  Serial.print("Locating devices...");
+  Serial.print("Found ");
+  Serial.print(sensors.getDeviceCount(), DEC);
+  Serial.println(" devices.");
+
+  delay(1000);
+
+  delay(1000);
+
+
+  //Just search for devices. Only needed when connecting a new sensor to find the address
+  oneWire.reset_search();
+  
+  for (uint8_t i=0;i<sensors.getDeviceCount();i++){
+    DeviceAddress _addr;
+    if (!oneWire.search(_addr)) {
+      Serial.print("Error: Device not found");
+    }else{
+      Serial.print("Found device. Address:");
+      printAddress(_addr);
+    }
+    Serial.println();
+      
+  }
+
+  delay(1000);
+
+  //sensors.setResolution(thermometerReservoir, TEMPERATURE_PRECISION);
+ 
+}
+
+void temperatureLoop(unsigned long loopmillis) {
+    static unsigned long last_read_ds18b20;
+    static bool flag_requestTemperatures=false;
+    if (loopmillis>last_read_ds18b20+READINTERVAL_DS18B20) { 
+        if (loopmillis>last_read_ds18b20+READINTERVAL_DS18B20*10) { //timeout
+            Serial.println("Warn: Request Temperatures Timeout!");
+            flag_requestTemperatures=false;
+        }
+        if (!flag_requestTemperatures) {
+            unsigned long _start=millis();
+            sensors.requestTemperatures(); //this takes ~34ms
+            Serial.print("DS Request took ms:"); Serial.println(millis()-_start);
+            flag_requestTemperatures=true;
+        }
+        if (sensors.isConversionComplete()) {
+            flag_requestTemperatures=false;
+            last_read_ds18b20=loopmillis;
+            temp_ESCFront= sensors.getTempC(thermometerESCFront); //This takes ~12.5ms
+            temp_ESCRear= sensors.getTempC(thermometerESCRear);
+            temp_Air= sensors.getTempC(thermometerAir);            
+            /*
+            Serial.print("temp_ESCFront: "); Serial.println(temp_ESCFront);
+            Serial.print("temp_ESCRear: "); Serial.println(temp_ESCRear);
+            Serial.print("temp_Air: "); Serial.println(temp_Air);
+            */
+        }
+    }
+}
+
+
+
+void printAddress(DeviceAddress deviceAddress)
+{
+  for (uint8_t i = 0; i < 8; i++)
+  {
+    // zero pad the address if necessary
+    if (deviceAddress[i] < 16) Serial.print("0");
+    Serial.print(deviceAddress[i], HEX);
+  }
+}
+#endif

controller_teensy/platformio.ini

@@ -25,3 +25,4 @@ lib_deps =
     adafruit/Adafruit SSD1306@^2.5.7
     arduino-libraries/SD@^1.2.4
     https://github.com/adafruit/Adafruit_NeoPixel
+    https://github.com/milesburton/Arduino-Temperature-Control-Library/

controller_teensy/src/main.cpp

@@ -8,7 +8,7 @@
 #include "helpfunctions.h"
 #include "hoverboard-esc-serial-comm.h"
 #include "led.h"
-
+#include "temperature.h"
 
 //#include "comms.h"
 String getLogFilename();
@@ -21,6 +21,8 @@ String getLogFilename();
 
 
 
+
+
 ESCSerialComm escFront(Serial2);
 ESCSerialComm escRear(Serial3);
 //Serial1 = TX1=1, RX1=0
@@ -116,6 +118,7 @@ void setup()
   led_simpeProgress(5,true);
 
   //init ADS1115
+  
   if (!ADS.begin()) {
     Serial.println("Error:"); delay(2000); Serial.println("ADS1115 Init Error!");
     led_simpeProgress(6,false);
@@ -143,6 +146,9 @@ void setup()
     led_simpeProgress(7,true);
   }
 
+  initTemperature();
+  led_simpeProgress(8,true);
+  
 
 
   writeLogComment(millis(), "Setup Finished");
@@ -201,7 +207,7 @@ void loop() {
   
 
   
-  if (loopmillis - last_adsread > ADSREADPERIOD) { //read teensy adc and filter
+  if (ADS.isConnected() && (loopmillis - last_adsread > ADSREADPERIOD) ) { //read teensy adc and filter
     last_adsread=loopmillis;
     if (ADS.isBusy() == false) //reads a register on ads
     {
@@ -277,6 +283,9 @@ void loop() {
     display_update(escFront,escRear);
   }
 
+  //Temperature
+  temperatureLoop(loopmillis);
+
   //Fan
   static unsigned long last_fan_update=0;
   #define FANUPDATEPERIOD 5000
@@ -285,7 +294,8 @@ void loop() {
   if (loopmillis - last_fan_update > FANUPDATEPERIOD) {
     last_fan_update=loopmillis;
     boolean fanstatus=digitalRead(PIN_FAN);
-    float temp=max(escFront.getFeedback_boardTemp(),escRear.getFeedback_boardTemp());
+    //float temp=max(escFront.getFeedback_boardTemp(),escRear.getFeedback_boardTemp());
+    float temp=max(temp_ESCFront,temp_ESCRear);
     if (!escFront.getControllerConnected() || !escRear.getControllerConnected()) { //boards are not powered on
       digitalWrite(PIN_FAN,HIGH); //force fan on
     }else{ //if both controllers are on, use temperature regulation