[SX126x] Add public method to handle LR-FHSS hopping

keywords.txt

@@ -246,6 +246,7 @@ spectralScanAbort	KEYWORD2
 spectralScanGetStatus	KEYWORD2
 spectralScanGetResult	KEYWORD2
 setPaRampTime	KEYWORD2
+hopLRFHSS	KEYWORD2
 
 # nRF24
 setIrqAction	KEYWORD2

src/modules/SX126x/SX126x.cpp

@@ -235,8 +235,7 @@ int16_t SX126x::transmit(const uint8_t* data, size_t len, uint8_t addr) {
         break;
       } else {
         // handle frequency hop
-        this->setLRFHSSHop(this->lrFhssHopNum % 16);
+        this->hopLRFHSS();
-        clearIrqStatus();
       }
     }
   }
@@ -477,6 +476,16 @@ int16_t SX126x::standby(uint8_t mode, bool wakeup) {
   return(this->mod->SPIwriteStream(RADIOLIB_SX126X_CMD_SET_STANDBY, data, 1));
 }
 
+int16_t SX126x::hopLRFHSS() {
+  if(!(this->getIrqFlags() & RADIOLIB_SX126X_IRQ_LR_FHSS_HOP)) {
+    return(RADIOLIB_ERR_TX_TIMEOUT);
+  }
+
+  int16_t state = this->setLRFHSSHop(this->lrFhssHopNum % 16);
+  RADIOLIB_ASSERT(state);
+  return(clearIrqStatus());
+}
+
 void SX126x::setDio1Action(void (*func)(void)) {
   this->mod->hal->attachInterrupt(this->mod->hal->pinToInterrupt(this->mod->getIrq()), func, this->mod->hal->GpioInterruptRising);
 }

src/modules/SX126x/SX126x.h

@@ -628,6 +628,13 @@ class SX126x: public PhysicalLayer {
     */
     int16_t standby(uint8_t mode, bool wakeup = true);
 
+    /*!
+      \brief Handle LR-FHSS hop. 
+      When using LR-FHSS in interrupt-driven mode, this method MUST be called each time an interrupt is triggered!
+      \returns \ref status_codes
+    */
+    int16_t hopLRFHSS();
+
     // interrupt methods
 
     /*!