Commit 2

platformio.ini

@@ -1,5 +1,5 @@
 [platformio]
-default_envs = nanoatmega328
+default_envs = tiny85
 
 [env:nanoatmega328]
 platform = atmelavr
@@ -7,7 +7,7 @@ board = nanoatmega328
 framework = arduino
 board_build.f_cpu = 16000000L
 lib_deps =
-    robtillaart/DHTStable
+    milesburton/DallasTemperature
 targets = upload, monitor
 upload_port = /dev/ttyUSB0
 momitor_speed = 9600
@@ -18,15 +18,21 @@ platform = atmelavr
 framework = arduino
 #board = digispark-tiny
 board = attiny85
-board_build.f_cpu = 8000000L
+board_build.f_cpu = 4000000L
+build_flags = 
+    -DRH_ASK_ATTINY_USE_TIMER1
+    -DRH_ASK_TX_ONLY
 lib_deps =
-    robtillaart/DHTStable
+    milesburton/DallasTemperature
+    https://github.com/vlastahajek/RH_ASKTiny
 upload_protocol = stk500v1
 upload_flags =
     -P$UPLOAD_PORT
     -b$UPLOAD_SPEED
+    -V
 targets = upload, monitor
+#targets = upload
 upload_speed = 19200
 upload_port = /dev/ttyUSB0
 momitor_speed = 9600
-monitor_port = /dev/ttyUSB1
+monitor_port = /dev/ttyACM0

src/config.h

@@ -1,2 +1,3 @@
-#define LOGGER 0
+#define LOGGER 1
 #define SEND_DELAY 120
+#define SEND_DELAY_BATTERY 3600

src/main.ino

@@ -1,54 +1,116 @@
 #include <avr/sleep.h>
 #include <avr/wdt.h>
 
-#include <NexusTX.h>
-#include <DHTStable.h>
+#include <RH_ASK.h>
+
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+//#include <math.h>
 
 #if defined(ARDUINO_AVR_NANO)
-#include "pins-nano.h"
+  #include "pins-nano.h"
 #elif defined(ARDUINO_AVR_ATTINYX5)
-#include "pins-attiny85.h"
+  #include "pins-attiny85.h"
 #else
-#error "Pins undef for this core"
+  #error "Pins undef for this core"
 #endif
 
 #include "config.h"
 
-NexusTX transmitter(PIN_SEND); 
-DHTStable DHT;
+#if LOGGER
+  #warning "Logger"
+  #define Log(l) Serial.print(l)
+  #define LogLn(l) Serial.println(l)
+#else
+  #warning "No Logger"
+  #define Log(l)
+  #define LogLn(l)
+#endif
 
-int sleeprepeat;
 
-void LogS(const char* logstr)
-{
-  if(LOGGER) {
-    Serial.print(logstr);
-  }
-}
+OneWire oneWire(PIN_DS18B20);
+DallasTemperature ds18b20(&oneWire);
 
-void LogI(long unsigned int logint)
-{
-  if(LOGGER) {
-    Serial.print(logint);
-  }
-}
-void LogF(float logfloat)
-{
-  if(LOGGER) {
-    Serial.print(logfloat);
-  }
-}
-void Logln()
-{
-  if(LOGGER) {
-    Serial.println();
-  }
-}
+#if !defined(ARDUINO_AVR_ATTINYX5) || (defined(ARDUINO_AVR_ATTINYX5) && !LOGGER)
+  //RH_ASK driver(2000, -1, PIN_SEND, -1, false);   
+  RH_ASK driver(2000, -1, PIN_SEND, -1, false, 8);
+#endif
+
+uint8_t rh_payload[6];
+
+unsigned long myTime;
+
+uint8_t sleeprepeat;
+uint8_t sleeprepeatbat;
+uint8_t sleepcount;
+
+bool temp_enabled = false;
 
 ISR(WDT_vect) {
-  //Don't do anything. This is just here so that we wake up.
+  // Nothing needs to be done, however interrupt handler must be defined to
+  // prevent a reset.
 }
 
+void setSensorType(uint8_t stype)
+{
+  uint8_t payload0; 
+  payload0 = stype << 4;
+  rh_payload[0] &= 0b00001111;
+  rh_payload[0] += payload0;
+}
+
+void setBatteryStatus(uint8_t bstatus)
+{
+  if(bstatus == 1) {
+  rh_payload[0] |= 0b00000001;
+  } else {
+  rh_payload[0] &= 0b11111110;
+  }
+}
+
+void setBatteryVoltage(uint16_t bvoltage)
+{
+  uint16_t payloadbat = rh_payload[2];
+  payloadbat += rh_payload[1] << 8;
+  payloadbat &= 0b0000000001111111;
+  payloadbat += bvoltage << 7;
+  //Serial.println(payloadbat);
+  rh_payload[1] = payloadbat >> 8;
+  rh_payload[2] = payloadbat;
+}
+
+void setBatteryPercent(uint8_t bpercent)
+{
+  uint16_t payloadbat = rh_payload[2];
+  payloadbat += rh_payload[1] << 8;
+  payloadbat &= 0b1111111110000000;
+  payloadbat += bpercent;
+  //Serial.println(payloadbat);
+  rh_payload[1] = payloadbat >> 8;
+  rh_payload[2] = payloadbat;
+}
+
+void setTemperature()
+{
+  ds18b20.requestTemperaturesByIndex(0);
+  delay(500);
+  int16_t tempC = (int16_t) roundf(ds18b20.getTempCByIndex(0)*100);
+  if(tempC != DEVICE_DISCONNECTED_C) {
+    //int16_t tempC = (int16_t) (ds18b20.getTempCByIndex(0)*100.0);
+    LogLn(tempC);
+    rh_payload[3] = tempC >> 8;
+    rh_payload[4] = tempC;
+  }
+}
+
+void setHumidity()
+{
+  rh_payload[5] = 33;
+}
+
+
+
 void setupWatchDogTimer(int time)
 {
   if (time > 9 )
@@ -64,18 +126,20 @@ void setupWatchDogTimer(int time)
 
 void powerDown(void)
 {
-  #if defined(BODS) && defined(BODSE)  //if MCU has bulit-in BOD it will be disabled, ATmega328P, ATtiny85, AVR_ATtiny45, ATtiny25
-  sleep_bod_disable();                 //disable Brown Out Detector (BOD) before going to sleep, saves more power
+  setupWatchDogTimer(WDTO_8S);
+  #if defined(BODS) && defined(BODSE)  //if MCU has bulit-in BOD it will be disabled, ATmega328P, ATtiny8>
+  sleep_bod_disable();                 //disable Brown Out Detector (BOD) before going to sleep, saves mo>
   #endif
+  sleep_enable();
   sleep_mode();
+  sleep_disable();
 }
 
-void setup(void)
+void setup()
 {
-  Serial.begin(9600);
-  #if defined(ARDUINO_AVR_NANO)
-  pinMode(LED_BUILTIN, OUTPUT);
-  #endif
+  ADCSRA &= ~(1<<ADEN); //Disable ADC, saves ~230uA
+ // setupWatchDogTimer(WDTO_8S);
+ set_sleep_mode(SLEEP_MODE_PWR_DOWN); //Power down everything, wake up from WDT
 
   if(SEND_DELAY < 8)
   { 
@@ -84,47 +148,72 @@ void setup(void)
     sleeprepeat = lround(SEND_DELAY / 8);
   }
 
-  delay(5000);
-
-  // setup power
-  ADCSRA &= ~(1<<ADEN); //Disable ADC, saves ~230uA
-  setupWatchDogTimer(WDTO_8S);
-  set_sleep_mode(SLEEP_MODE_PWR_DOWN); //Power down everything, wake up from WDT
-  sleep_enable();
-
-  transmitter.setChannel(0);
-  transmitter.setId(SENSORID);
-  transmitter.setBatteryFlag(1);
-
-}
-
-void loop(void)
-{
-  if(DHT.read22(PIN_DHT) == DHTLIB_OK)
+  if(SEND_DELAY_BATTERY < 8)
   { 
-    LogS("Send ");
-    LogS("Temperature: ");
-    LogF(DHT.getTemperature());
-    //LogF(DHT.temperature);
-    LogS(" Humidity: ");
-    LogF(DHT.getHumidity());
-    //LogF(DHT.humidity);
-    Logln();
-    transmitter.setTemperature(DHT.getTemperature()); // -49.9C...+69.9C
-    transmitter.setHumidity(lround(DHT.getHumidity()));      // 2...98%
-    transmitter.SendPacket();
+    sleeprepeatbat = 1;
   } else {
-     LogS("DHT Error");
-     Logln();
+    sleeprepeatbat = lround(SEND_DELAY_BATTERY / (sleeprepeat*8));
   }
-  #if defined(ARDUINO_AVR_NANO)
-  digitalWrite(LED_BUILTIN, HIGH);
-  delay(500);
-  digitalWrite(LED_BUILTIN, LOW);
+
+  #if LOGGER
+    Serial.begin(9600);	  // Debugging only
+    #if defined(ARDUINO_AVR_ATTINYX5)
+      // Disable RX (free port PB1)
+      ACSR &=~(1<<ACIE);
+      ACSR |=~(1<<ACD);
+    #endif
   #endif
-  LogS("Sleep");
-  Logln();
-  delay(500);
-  for (int i=0; i<sleeprepeat; i++)
-    powerDown();
+  #if !defined(ARDUINO_AVR_ATTINYX5) || (defined(ARDUINO_AVR_ATTINYX5) && !LOGGER)
+    driver.init();
+    driver.setHeaderId(SENSORID);
+  #endif
+  LogLn("Startup");
+
+  ds18b20.begin();
+  if(ds18b20.getDeviceCount() > 0) { temp_enabled = true; }
+
+  //rh_payload[0]=10;
+
+  // Temperature initial (-100)
+  rh_payload[3] = 0xff;
+  rh_payload[4] = 0x9c;
+
+  setSensorType(1);
+  setBatteryStatus(0);
+
+  setBatteryVoltage(123);
+  setBatteryPercent(50);
+
+  //if(temp_enabled == true) { setTemperature(); }
+  //setHumidity();
+}
+
+void loop()
+{
+   //Serial.println("Send");
+  if(temp_enabled == true) { setTemperature(); }
+  setHumidity();
+
+  #if !defined(ARDUINO_AVR_ATTINYX5) || (defined(ARDUINO_AVR_ATTINYX5) && !LOGGER)
+    for(uint8_t i=0;i<3;i++)
+    {
+      driver.send(rh_payload, 6);
+      driver.waitPacketSent();
+    }
+  #endif
+  LogLn("Before delay");
+  delay(15000);
+  myTime = millis();
+  LogLn(sleepcount);
+  LogLn(myTime);
+  if(sleepcount > sleeprepeatbat)
+  {
+    LogLn("Probe Battery");
+    sleepcount = 0;
+  } else {
+    sleepcount = sleepcount + 1;
+  }
+  //setupWatchDogTimer(WDTO_8S);
+  for (uint8_t i=0; i<sleeprepeat; i++) { powerDown(); }
+  //sleep_disable();
 }

src/pins-attiny85.h

@@ -1,6 +1,3 @@
-#define PIN_SEND 3
-#define SENSORID 12
-#define PIN_DHT 4
-
-#define OUTPUTCODE_OFF 5312788
-#define OUTPUTCODE_ON 5312789
+#define PIN_SEND 0
+#define SENSORID 101
+#define PIN_DS18B20 1