Some work, stuck by dependencies

crossbow/crossbow.ino

@@ -102,9 +102,12 @@ void onQspSuccess(QspConfiguration_t *qsp, TxDeviceState_t *txDeviceState, RxDev
      * RX module hops to next channel after frame has been received
      */
 #ifdef DEVICE_MODE_RX
-    radioNode.hopFrequency(true, radioNode.lastReceivedChannel, millis());
-    radioNode.failedDwellsCount = 0; // We received a frame, so we can just reset this counter
-    LoRa.receive(); //Put radio back into receive mode
+    if (!platformNode.isBindMode) {
+        //We do not hop frequency in bind mode!
+        radioNode.hopFrequency(true, radioNode.lastReceivedChannel, millis());
+        radioNode.failedDwellsCount = 0; // We received a frame, so we can just reset this counter
+        LoRa.receive(); //Put radio back into receive mode
+    }
 #endif
 
     //Store the last timestamp when frame was received
@@ -269,8 +272,11 @@ void loop(void)
 #ifdef DEVICE_MODE_RX
     /*
      * This routine handles resync of TX/RX while hoppping frequencies
+     * When not in bind mode. Bind mode is single frequency operation
      */
-    radioNode.handleChannelDwell();
+    if (!plaformNode.isBindMode) {
+        radioNode.handleChannelDwell();
+    }
 
     /*
      * Detect the moment when radio module stopped transmittig and put it
@@ -302,7 +308,7 @@ void loop(void)
         serialRestartMillis = currentMillis;
     }
 
-    radioNode.handleTxDoneState(true);
+    radioNode.handleTxDoneState(!platformNode.isBindMode);
 #endif
 
     radioNode.readAndDecode(

crossbow/platform_node.cpp

@@ -18,4 +18,21 @@ void PlatformNode::setRcChannel(uint8_t channel, int value, int offset) {
     if (channel < PLATFORM_TOTAL_CHANNEL_COUNT) {
         _channels[channel] = value + offset;
     }
+}
+
+void PlatformNode::enterBindMode(void) {
+    isBindMode = true;
+
+    // radioNode.set(
+    //     0, // Minimum power
+    //     125000, // 125kHz bandwidth
+    //     6, // low spreading factor, we do not need high RX sensitivity
+    //     5, // same for coding rate
+    //     868000000 //Fixed frequency while binding
+    // );
+
+}
+
+void PlatformNode::leaveBindMode(void) {
+    isBindMode = false;
 }

crossbow/platform_node.h

@@ -21,9 +21,12 @@ class PlatformNode {
         PlatformNode(void);
         int getRcChannel(uint8_t channel);
         void setRcChannel(uint8_t channel, int value, int offset);
+        void enterBindMode(void);
+        void leaveBindMode(void);
         uint8_t bindKey[4];
         uint32_t nextLedUpdate = 0;
         uint8_t platformState = DEVICE_STATE_UNDETERMINED;
+        bool isBindMode = false;
     private:
         volatile int _channels[PLATFORM_TOTAL_CHANNEL_COUNT];
 };

crossbow/radio_node.cpp

@@ -31,11 +31,14 @@ void RadioNode::init(uint8_t ss, uint8_t rst, uint8_t di0, void(*callback)(int))
         while (true);
     }
 
-    //Configure LoRa module
-    LoRa.setSignalBandwidth(loraBandwidth);
-    LoRa.setSpreadingFactor(loraSpreadingFactor);
-    LoRa.setCodingRate4(loraCodingRate);
-    LoRa.setTxPower(loraTxPower);
+    set(
+        loraTxPower, 
+        loraBandwidth, 
+        loraSpreadingFactor, 
+        loraCodingRate, 
+        getFrequencyForChannel(getChannel())
+    );
+
     LoRa.enableCrc();
 
     //Setup ISR callback and start receiving
@@ -159,4 +162,21 @@ void RadioNode::handleTx(QspConfiguration_t *qsp) {
 
     //Set state to be able to detect the moment when TX is done
     radioState = RADIO_STATE_TX;
+}
+
+void RadioNode::set(
+    uint8_t power, 
+    long bandwidth, 
+    uint8_t spreadingFactor, 
+    uint8_t codingRate,
+    long frequency
+) {
+    LoRa.sleep();
+    
+    LoRa.setTxPower(power);
+    LoRa.setSignalBandwidth(bandwidth);
+    LoRa.setCodingRate4(codingRate);
+    LoRa.setFrequency(frequency);
+
+    LoRa.idle();
 }

crossbow/radio_node.h

@@ -1,8 +1,5 @@
 #pragma once
 
-#include "Arduino.h"
-#include "qsp.h"
-
 #define RADIO_FREQUENCY_MIN 868000000
 #define RADIO_FREQUENCY_MAX 870000000
 #define RADIO_FREQUENCY_RANGE (RADIO_FREQUENCY_MAX-RADIO_FREQUENCY_MIN)
@@ -13,6 +10,8 @@
 #ifndef RADIO_NODE_H
 #define RADIO_NODE_H
 
+#include "Arduino.h"
+#include "qsp.h"
 #include "variables.h"
 
 class RadioNode {
@@ -32,6 +31,13 @@ class RadioNode {
         void handleChannelDwell(void);
         void handleTxDoneState(bool hop);
         void handleTx(QspConfiguration_t *qsp);
+        void set(
+            uint8_t power, 
+            long bandwidth, 
+            uint8_t spreadingFactor, 
+            uint8_t codingRate, 
+            long frequency
+        );
         volatile int8_t bytesToRead = -1;
         volatile uint8_t radioState = RADIO_STATE_RX;
         uint8_t rssi = 0;