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examples/mrf89/mrf89_client/mrf89_client.ino

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+// mrf89_client.pde
+// -*- mode: C++ -*-
+// Example sketch showing how to create a simple messageing client
+// with the RH_MRF89 class. RH_MRF89 class does not provide for addressing or
+// reliability, so you should only use RH_RF95 if you do not need the higher
+// level messaging abilities.
+// It is designed to work with the other example mrf89_server
+// Tested with Teensy and MRF89XAM9A
+
+#include <SPI.h>
+#include <RH_MRF89.h>
+
+// Singleton instance of the radio driver
+RH_MRF89 mrf89;
+
+void setup() 
+{
+  Serial.begin(9600);
+  while (!Serial)
+    ; // wait for serial port to connect. Needed for native USB
+
+  if (!mrf89.init())
+    Serial.println("init failed");
+  // Default after init is 1dBm, 915.4MHz, FSK_Rb20Fd40  
+  // But you can change that if you want:
+//  mrf89.setTxPower(RH_MRF89_TXOPVAL_M8DBM); // Min power -8dBm
+//  mrf89.setTxPower(RH_MRF89_TXOPVAL_13DBM); // Max power 13dBm
+//  if (!mrf89.setFrequency(920.0))
+//    Serial.println("setFrequency failed");
+//  if (!mrf89.setModemConfig(RH_MRF89::FSK_Rb200Fd200)) // Fastest
+//    Serial.println("setModemConfig failed");
+}
+
+void loop()
+{
+  Serial.println("Sending to mrf89_server");
+  // Send a message to mrf89_server
+  uint8_t data[] = "Hello World!";
+  mrf89.send(data, sizeof(data));
+  
+  mrf89.waitPacketSent();
+  // Now wait for a reply
+  uint8_t buf[RH_MRF89_MAX_MESSAGE_LEN];
+  uint8_t len = sizeof(buf);
+
+  if (mrf89.waitAvailableTimeout(3000))
+  { 
+    // Should be a reply message for us now   
+    if (mrf89.recv(buf, &len))
+   {
+      Serial.print("got reply: ");
+      Serial.println((char*)buf);
+//      Serial.print("RSSI: ");
+//      Serial.println(mrf89.lastRssi(), DEC);    
+    }
+    else
+    {
+      Serial.println("recv failed");
+    }
+  }
+  else
+  {
+    Serial.println("No reply, is mrf89_server running?");
+  }
+  delay(400);
+}
+
+