IR Sensor, PanicButton, OneWireTempSensor

[svn42.git] / rf433ctl / find_onewire.pde

diff --git a/rf433ctl/find_onewire.pde b/rf433ctl/find_onewire.pde
new file mode 100644 (file)
index 0000000..8fedb62
--- /dev/null
+++ b/rf433ctl/find_onewire.pde
@@ -0,0 +1,86 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+/* DS18S20 Temperature chip i/o */
+
+OneWire  ds(8); 
+DallasTemperature sensors(&ds);
+
+DeviceAddress insideThermometer = { 0x10, 0xE7, 0x77, 0xD3, 0x01, 0x08, 0x00, 0x3F };
+
+void printTemperature(DeviceAddress deviceAddress)
+{
+  float tempC = sensors.getTempC(deviceAddress);
+  Serial.print("Temp C: ");
+  Serial.print(tempC);
+  Serial.print(" Temp F: ");
+  Serial.println(DallasTemperature::toFahrenheit(tempC)); // Converts tempC to Fahrenheit
+}
+
+void setup(void) {
+  Serial.begin(9600);
+  sensors.begin();
+}
+
+void loop(void) {
+  if (millis() < 2000)
+  {
+    return;
+  }
+  
+  printTemperature(insideThermometer);
+  
+  byte i;
+  byte present = 0;
+  byte data[12];
+  byte addr[8];
+  
+  if ( !ds.search(addr)) {
+    Serial.print("\nNo more addresses.\n");
+    ds.reset_search();
+    delay(250);
+    return;
+  }
+  
+  Serial.print("\nR=");
+  for( i = 0; i < 8; i++) {
+    Serial.print(addr[i], HEX);
+    Serial.print(" ");
+  }
+
+  if ( OneWire::crc8( addr, 7) != addr[7]) {
+      Serial.print("  CRC is not valid!\n");
+      return;
+  }
+  
+  if ( addr[0] != 0x10) {
+      Serial.print("\nDevice is not a DS18S20 family device.\n");
+      return;
+  }
+
+  // The DallasTemperature library can do all this work for you!
+
+  ds.reset();
+  ds.select(addr);
+  ds.write(0x44,1);         // start conversion, with parasite power on at the end
+  
+  delay(1000);     // maybe 750ms is enough, maybe not
+  // we might do a ds.depower() here, but the reset will take care of it.
+  
+  present = ds.reset();
+  ds.select(addr);    
+  ds.write(0xBE);         // Read Scratchpad
+
+  Serial.print("\nP=");
+  Serial.print(present,HEX);
+  Serial.print(" ");
+  for ( i = 0; i < 9; i++) {           // we need 9 bytes
+    data[i] = ds.read();
+    Serial.print(data[i], HEX);
+    Serial.print(" ");
+  }
+  Serial.println();
+  Serial.print(" CRC=");
+  Serial.print( OneWire::crc8( data, 8), HEX);
+  Serial.println();
+}