Diff: plans/ChannelPlan_US915.h

Revision:

172:7ec44396a51b

Parent:

139:b2e9d643eef9

Child:

178:8f7d93f3bbb5

--- a/plans/ChannelPlan_US915.h	Wed Aug 08 09:33:35 2018 -0500
+++ b/plans/ChannelPlan_US915.h	Thu Aug 30 09:05:16 2018 -0500
@@ -23,6 +23,32 @@
 
 namespace lora {
 
+    const uint8_t US915_125K_NUM_CHANS = 64;                    //!< Number of 125k channels in US915 channel plan
+    const uint8_t US915_500K_NUM_CHANS = 8;                     //!< Number of 500k channels in US915 channel plan
+
+    const uint32_t US915_125K_FREQ_BASE = 902300000;            //!< Frequency base for 125k US915 uplink channels
+    const uint32_t US915_125K_FREQ_STEP = 200000;               //!< Frequency step for 125k US915 uplink channels
+
+    const uint32_t US915_500K_FREQ_BASE = 903000000;            //!< Frequency base for 500k US915 uplink channels
+    const uint32_t US915_500K_FREQ_STEP = 1600000;              //!< Frequency step for 500k US915 uplink channels
+
+    const uint32_t US915_500K_DBASE = 923300000;                //!< Frequency base for 500k US915 downlink channels
+    const uint32_t US915_500K_DSTEP = 600000;                   //!< Frequency step for 500k US915 downlink channels
+
+    const uint32_t US915_FREQ_MIN = 902000000;
+    const uint32_t US915_FREQ_MAX = 928000000;
+
+    const uint8_t US915_MIN_DATARATE = (uint8_t) DR_0;          //!< Minimum transmit datarate for US915
+    const uint8_t US915_MAX_DATARATE = (uint8_t) DR_4;          //!< Maximum transmit datarate for US915
+
+    const uint8_t US915_MIN_DATARATE_OFFSET = (uint8_t) 0;      //!< Minimum transmit datarate for US915
+    const uint8_t US915_MAX_DATARATE_OFFSET = (uint8_t) 3;      //!< Maximum transmit datarate for US915
+
+    const uint8_t  US915_BEACON_DR = DR_8;                      //!< Default beacon datarate
+    const uint32_t US915_BEACON_FREQ_BASE = 923300000U;         //!< Base beacon broadcast frequency
+    const uint32_t US915_BEACON_FREQ_STEP = 600000U;            //!< Step size for beacon frequencies
+    const uint8_t  US915_BEACON_CHANNELS = 8U;                  //!< Number of beacon channels
+
     class ChannelPlan_US915 : public lora::ChannelPlan {
         public:
 
@@ -129,9 +155,10 @@
              * Set the SxRadio rx config provided window
              * @param window to be opened
              * @param continuous keep window open
+             * @param wnd_growth factor to increase the rx window by
              * @return LORA_OK
              */
-            virtual uint8_t SetRxConfig(uint8_t window, bool continuous);
+            virtual uint8_t SetRxConfig(uint8_t window, bool continuous, uint16_t wnd_growth);
 
             /**
              * Set frequency sub band if supported by plan
@@ -248,6 +275,24 @@
 
             virtual uint8_t GetMaxDatarate();
 
+            /**
+             * Check if this packet is a beacon and if so extract parameters needed
+             * @param payload of potential beacon
+             * @param size of the packet
+             * @param [out] data extracted from the beacon if this packet was indeed a beacon
+             * @return true if this packet is beacon, false if not
+             */
+            virtual bool DecodeBeacon(const uint8_t* payload,
+                                      size_t size,
+                                      BeaconData_t& data);
+            /**
+             * Update class B beacon and ping slot settings if frequency hopping enabled
+             * @param time received in the last beacon
+             * @param period of the beacon
+             * @param devAddr of this end device
+             */
+            virtual void FrequencyHop(uint32_t time, uint32_t period, uint32_t devAddr);
+
         protected:
 
             static const uint8_t US915_TX_POWERS[11];                   //!< List of available tx powers
@@ -255,6 +300,18 @@
             static const uint8_t US915_MAX_PAYLOAD_SIZE[];              //!< List of max payload sizes for each datarate
             static const uint8_t US915_MAX_PAYLOAD_SIZE_REPEATER[];     //!< List of repeater compatible max payload sizes for each datarate
 
+            typedef struct __attribute__((packed)) {
+                uint8_t RFU1[5];
+                uint8_t Time[4];
+                uint8_t CRC1[2];
+                uint8_t GwSpecific[7];
+                uint8_t RFU2[3];
+                uint8_t CRC2[2];
+            } BCNPayload;
+
+        private:
+            bool _bcnFreqHop;
+            bool _pingFreqHop;
     };
 }