first commit

CC1101_Receiver/CC1101_Receiver.ino

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+#include "EEPROM.h"
+#include "cc1101.h"
+
+// The LED is wired to the Arduino Output 4 (physical panStamp pin 19)
+#define LEDOUTPUT 4
+
+// The connection to the hardware chip CC1101 the RF Chip
+CC1101 cc1101;
+
+byte b;
+byte i;
+byte syncWord = 199;
+long counter=0;
+byte chan=0;
+
+// a flag that a wireless packet has been received
+boolean packetAvailable = false;
+
+void blinker(){
+  digitalWrite(LEDOUTPUT, HIGH);
+  delay(100);
+  digitalWrite(LEDOUTPUT, LOW);
+  delay(100);
+}
+
+/* Handle interrupt from CC1101 (INT0) gdo0 on pin2 */
+void cc1101signalsInterrupt(void){
+  // set the flag that a package is available
+  packetAvailable = true;
+}
+
+void setup()
+{
+  Serial.begin(9600);
+  Serial.println("start");
+  
+  // setup the blinker output
+  pinMode(LEDOUTPUT, OUTPUT);
+  digitalWrite(LEDOUTPUT, LOW);
+  
+  // blink once to signal the setup
+  blinker();
+  // initialize the RF Chip
+  cc1101.init();
+  
+  cc1101.setSyncWord(&syncWord, false);
+  cc1101.setCarrierFreq(CFREQ_433);
+  cc1101.disableAddressCheck(); //if not specified, will only display "packet received"
+  //cc1101.setTxPowerAmp(PA_LowPower);
+   
+  Serial.print("CC1101_PARTNUM "); //cc1101=0
+  Serial.println(cc1101.readReg(CC1101_PARTNUM, CC1101_STATUS_REGISTER));
+  Serial.print("CC1101_VERSION "); //cc1101=4
+  Serial.println(cc1101.readReg(CC1101_VERSION, CC1101_STATUS_REGISTER));
+  Serial.print("CC1101_MARCSTATE ");
+  Serial.println(cc1101.readReg(CC1101_MARCSTATE, CC1101_STATUS_REGISTER) & 0x1f);
+  
+  attachInterrupt(0, cc1101signalsInterrupt, FALLING);
+  
+  Serial.println("device initialized");
+  }
+  
+  void ReadLQI()
+  {
+    byte lqi=0;
+    byte value=0;
+    lqi=(cc1101.readReg(CC1101_LQI, CC1101_STATUS_REGISTER));
+    value = 0x3F - (lqi & 0x3F);
+    Serial.print("CC1101_LQI ");
+    Serial.println(value);
+  }
+
+void ReadRSSI()
+{
+  byte rssi=0;
+  byte value=0;
+  
+  rssi=(cc1101.readReg(CC1101_RSSI, CC1101_STATUS_REGISTER));
+  
+  if (rssi >= 128)
+  {
+    value = 255 - rssi;
+    value /= 2;
+    value += 74;
+  }
+  else
+  {
+    value = rssi/2;
+    value += 74;
+  }
+  Serial.print("CC1101_RSSI ");
+  Serial.println(value);
+}
+
+void loop()
+{
+  if(packetAvailable){
+    Serial.println("packet received");
+    // Disable wireless reception interrupt
+    detachInterrupt(0);
+    
+    ReadRSSI();
+    ReadLQI();
+    // clear the flag
+    packetAvailable = false;
+    
+    CCPACKET packet;
+   
+    if(cc1101.receiveData(&packet) > 0){
+//      Serial.println("\r\n--------------------------------");
+//      Serial.print("CC1101 have news! - ");
+//      Serial.print("Package len = ");
+//      Serial.print(packet.length);
+//      Serial.print(" lgi=");
+//      Serial.print(packet.lqi);
+//      Serial.print(" rssi=");
+//      Serial.print(packet.rssi);
+//      Serial.print(" CRC=");
+//      Serial.println(packet.crc_ok);
+//      
+        if(!packet.crc_ok) {
+          Serial.println("crc not ok");
+        }
+  
+      if(packet.length > 0){
+        Serial.print("packet: len ");
+        Serial.print(packet.length);
+        Serial.print(" data: ");
+        for(int j=0; j<packet.length; j++){
+          Serial.print(packet.data[j],HEX);
+          Serial.print(" ");
+        }
+        Serial.println(".");
+      }
+    }
+    // Enable wireless reception interrupt
+    attachInterrupt(0, cc1101signalsInterrupt, FALLING);
+  }
+}
+