[Doc] Additional doxygen fixes

src/Module.h

@@ -13,7 +13,7 @@
 #endif
 
 /*!
-  \brief Value to use as the last element in a mode table to indicate the
+  \def Value to use as the last element in a mode table to indicate the
   end of the table.
   See \ref setRfSwitchTable for details.
 */

src/modules/SX126x/STM32WLx_Module.cpp

@@ -77,7 +77,7 @@ class Stm32wlxHal : public ArduinoHal {
 
     /*!
       \brief Digital read override to handle STM32WL virtual pins.
-      \param dwPin Pin to set.
+      \param ulPin Pin to read.
       \returns Value read on the pin.
     */
     uint32_t digitalRead(uint32_t ulPin) {

src/modules/SX126x/SX126x.h

@@ -935,7 +935,7 @@ class SX126x: public PhysicalLayer {
 
     /*!
       \brief Set modem in variable packet length mode. Available in FSK mode only.
-      \param len Maximum packet length.
+      \param maxLen Maximum packet length.
       \returns \ref status_codes
     */
     int16_t variablePacketLengthMode(uint8_t maxLen = RADIOLIB_SX126X_MAX_PACKET_LENGTH);

src/modules/SX127x/SX127x.h

@@ -1074,7 +1074,7 @@ class SX127x: public PhysicalLayer {
 
     /*!
       \brief Check whether the IRQ bit for RxTimeout is set
-      \returns \ref RxTimeout IRQ is set
+      \returns Whether RxTimeout IRQ is set
     */
     bool isRxTimeout();
 

src/protocols/BellModem/BellModem.cpp

@@ -1,7 +1,7 @@
 #include "BellModem.h"
 #if !RADIOLIB_EXCLUDE_BELL
 
-const struct BellModem_t Bell101 {
+const BellModem_t Bell101 = {
   .freqMark = 1270,
   .freqSpace = 1070,
   .baudRate = 110,
@@ -9,7 +9,7 @@ const struct BellModem_t Bell101 {
   .freqSpaceReply = 2025,
 };
 
-const struct BellModem_t Bell103 {
+const BellModem_t Bell103 = {
   .freqMark = 1270,
   .freqSpace = 1070,
   .baudRate = 300,
@@ -17,7 +17,7 @@ const struct BellModem_t Bell103 {
   .freqSpaceReply = 2025,
 };
 
-const struct BellModem_t Bell202 {
+const BellModem_t Bell202 = {
   .freqMark = 1200,
   .freqSpace = 2200,
   .baudRate = 1200,