[LoRaMac] Add SendInfo function and GetMaxPayloadLength function for use by the outer layer

Middlewares/Third_Party/LoRaWAN/Mac/LoRaMac.c

@@ -316,6 +316,14 @@ typedef struct sLoRaMacCtx
      * Buffer containing the MAC layer commands
      */
     uint8_t MacCommandsBuffer[LORA_MAC_COMMAND_MAX_LENGTH];
+    /*!
+     * Time on air accumulation
+     */
+    uint32_t SumSendTime;
+    /*!
+     * Send count accumulation
+     */
+    uint32_t SumSendCount;
 }LoRaMacCtx_t;
 
 /*!
@@ -4009,6 +4017,9 @@ static LoRaMacStatus_t SendFrameOnChannel( uint8_t channel )
     MacCtx.McpsConfirm.TxPower = txPower;
     MacCtx.McpsConfirm.Channel = channel;
 
+    MacCtx.SumSendCount++;
+    MacCtx.SumSendTime += MacCtx.TxTimeOnAir;
+
     // Store the time on air
     MacCtx.McpsConfirm.TxTimeOnAir = MacCtx.TxTimeOnAir;
     MacCtx.MlmeConfirm.TxTimeOnAir = MacCtx.TxTimeOnAir;
@@ -6669,3 +6680,24 @@ LoRaMacStatus_t LoRaMacDeInitialization( void )
         return LORAMAC_STATUS_BUSY;
     }
 }
+
+uint8_t LoRaMacGetMaxPayloadLength(void)
+{
+    return GetMaxAppPayloadWithoutFOptsLength(Nvm.MacGroup2.ChannelsDatarateDefault);
+}
+
+void LoRaMacSendInfoGet(uint32_t *count, uint32_t *time)
+{
+    if(count != NULL) {
+        *count = MacCtx.SumSendCount;
+    }
+    if(time != NULL) {
+        *time = MacCtx.SumSendTime;
+    }
+}
+
+void LoRaMacSendInfoClear(void)
+{
+    MacCtx.SumSendCount = 0;
+    MacCtx.SumSendTime = 0;
+}

Middlewares/Third_Party/LoRaWAN/Mac/LoRaMac.h

@@ -476,6 +476,26 @@ LoRaMacStatus_t LoRaMacDeInitialization( void );
 
 LoRaMacStatus_t LoRaMacProcessMicForDatablock( uint8_t *buffer, uint32_t size, uint16_t sessionCnt, uint8_t fragIndex, uint32_t descriptor, uint32_t *mic );
 
+/*!
+ * \brief   LoRaMAC gets the maximum application payload length in the absence of the optional FOpt field
+ *
+ * \retval  Max length
+ */
+uint8_t LoRaMacGetMaxPayloadLength( void );
+
+/*!
+ * \brief   LoRaMAC get send info
+ *
+ * \param   [out] count - Send count accumulation
+ * \param   [out] time - Time on air accumulation
+ */
+void LoRaMacSendInfoGet(uint32_t *count, uint32_t *time);
+
+/*!
+ * \brief   LoRaMAC send info clear
+ */
+void LoRaMacSendInfoClear(void);
+
 /*! \} defgroup LORAMAC */
 
 #ifdef __cplusplus