[LR11x0] Added LoRa header configuration methods

src/modules/LR11x0/LR11x0.cpp

@@ -1310,6 +1310,14 @@ RadioLibTime_t LR11x0::getTimeOnAir(size_t len) {
   return(0);
 }
 
+int16_t LR11x0::implicitHeader(size_t len) {
+  return(this->setHeaderType(RADIOLIB_LR11X0_LORA_HEADER_IMPLICIT, len));
+}
+
+int16_t LR11x0::explicitHeader() {
+  return(this->setHeaderType(RADIOLIB_LR11X0_LORA_HEADER_EXPLICIT));
+}
+
 float LR11x0::getDataRate() const {
   return(this->dataRateMeasured);
 }
@@ -1694,6 +1702,26 @@ int16_t LR11x0::startCad(uint8_t symbolNum, uint8_t detPeak, uint8_t detMin) {
   return(setCad());
 }
 
+int16_t LR11x0::setHeaderType(uint8_t hdrType, size_t len) {
+  // check active modem
+  uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
+  int16_t state = getPacketType(&type);
+  RADIOLIB_ASSERT(state);
+  if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
+    return(RADIOLIB_ERR_WRONG_MODEM);
+  }
+
+  // set requested packet mode
+  state = setPacketParamsLoRa(this->preambleLengthLoRa, hdrType, len, this->crcTypeLoRa, this->invertIQEnabled);
+  RADIOLIB_ASSERT(state);
+
+  // update cached value
+  this->headerType = hdrType;
+  this->implicitLen = len;
+
+  return(state);
+}
+
 Module* LR11x0::getMod() {
   return(this->mod);
 }

src/modules/LR11x0/LR11x0.h

@@ -1141,6 +1141,19 @@ class LR11x0: public PhysicalLayer {
     */
     RadioLibTime_t getTimeOnAir(size_t len) override;
 
+    /*!
+      \brief Set implicit header mode for future reception/transmission.
+      \param len Payload length in bytes.
+      \returns \ref status_codes
+    */
+    int16_t implicitHeader(size_t len);
+
+    /*!
+      \brief Set explicit header mode for future reception/transmission.
+      \returns \ref status_codes
+    */
+    int16_t explicitHeader();
+
     /*!
       \brief Gets effective data rate for the last transmitted packet. The value is calculated only for payload bytes.
       \returns Effective data rate in bps.
@@ -1404,6 +1417,7 @@ class LR11x0: public PhysicalLayer {
     int16_t config(uint8_t modem);
     int16_t setPacketMode(uint8_t mode, uint8_t len);
     int16_t startCad(uint8_t symbolNum, uint8_t detPeak, uint8_t detMin);
+    int16_t setHeaderType(uint8_t hdrType, size_t len = 0xFF);
 
     // common methods to avoid some copy-paste
     int16_t bleBeaconCommon(uint16_t cmd, uint8_t chan, uint8_t* payload, size_t len);