Fix a few warnings from doxygen in the comments

In the logfiles you can find several warnings.
Most of them handle "\brief ." lines,
followed by an empty new line.

src/ckb-daemon/device.c

@@ -14,7 +14,7 @@ pthread_mutex_t inputmutex[DEV_MAX] = { [0 ... DEV_MAX-1] = PTHREAD_MUTEX_INITIA
 
 /// \brief .
 ///
-/// \brief _start_dev get fw-info and pollrate; if available, install new firmware; get all hardware profiles
+/// \brief _start_dev get fw-info and pollrate; if available, install new firmware; get all hardware profiles.
 /// \param kb   the normal kb pointer to the usbdevice. Is also valid for mice.
 /// \param makeactive if set to 1, activate the device via setactive()
 /// \return 0 if success, other else

src/ckb-daemon/devnode.c

@@ -38,8 +38,8 @@ int rm_recursive(const char* path){
 ///
 /// \brief _updateconnected Update the list of connected devices.
 ///
-/// <devicepath> normally is /dev/input/ckb or /input/ckb.
-/// \n Open the normal file under <devicepath>0/connected for writing.
+/// \<devicepath\> normally is /dev/input/ckb or /input/ckb.
+/// \n Open the normal file under \<devicepath\>0/connected for writing.
 /// For each device connected, print its devicepath+number,
 /// the serial number of the usb device and the usb name of the device connected to that usb interface.
 /// \n eg:
@@ -48,7 +48,7 @@ int rm_recursive(const char* path){
 ///
 /// Set the file ownership to root.
 /// If the glob var gid is explicitly set to something different from -1 (the initial value), set file permission to 640, else to 644.
-/// This is used if you start the daemon with --gid=<GID> Parameter.
+/// This is used if you start the daemon with --gid=\<GID\> Parameter.
 ///
 /// Because several independent threads may call updateconnected(), protect that procedure with locking/unlocking of \b devmutex.
 ///

src/ckb-daemon/usb.c

@@ -480,7 +480,7 @@ int usb_tryreset(usbdevice* kb){
 }
 
 ///
-/// \var hwload_mode is defined in device.c
+/// hwload_mode is defined in device.c
 ///
 extern int hwload_mode;
 

src/ckb-daemon/usb.h

@@ -241,7 +241,7 @@ int _usbsend(usbdevice* kb, const uchar* messages, int count, const char* file,
 /// \param[OUT] in_msg Here comes the answer; The names represent the usb view, not the view of this function! So INput from usb is OUTput of this function.
 /// \param[IN] file for debugging
 /// \param[IN] line for debugging
-/// \param[in] reset_stop global variable is read
+/// \param[IN] reset_stop global variable is read
 /// \return number of bytes read or zero on failure.
 int _usbrecv(usbdevice* kb, const uchar* out_msg, uchar* in_msg, const char* file, int line);
 

src/ckb/macroreader.cpp

@@ -24,7 +24,7 @@ void MacroReader::startWorkInAThread(int macroNumber, QString macroPath, QPlainT
 /// \class MacroReaderThread
 ///
 void MacroReaderThread::readMacro(QString line) {
-    /// \detail We want to see the keys as they appear in the macroText Widget.
+    /// \details We want to see the keys as they appear in the macroText Widget.
     ///
     /// Because it is possible to change the Focus via keyboard,
     /// we must set the focus on each call.
@@ -37,8 +37,8 @@ void MacroReaderThread::readMacro(QString line) {
 
 //////////
 /// \brief MacroReaderThread::run is the standard main function for a thread.
-/// Tries to open a file <macroPath><macroNumber> several times
-/// (in this case, it should be possible the first time. (The code was recycled from kb.cpp).
+/// Tries to open a file \<macroPath\>\<macroNumber\> several times
+/// (in this case, it should be possible the first time (the code was recycled from kb.cpp).
 ///
 /// While the file is open, read lines an signal them via metaObject() to the main thread.
 /// When the file is closed by the sender, close it as reader and terminate.

src/ckb/macroreader.h

@@ -25,7 +25,7 @@ class MacroReaderThread : public QThread
 
     //////////
     /// \brief macroNumber
-    /// Filenames of nofity channels have the structure <input-device-path>/ckb1/notify<number>
+    /// Filenames of nofity channels have the structure <input-device-path>/ckb1/notify\<number\>
     /// First part is hold in macroPath, the number is hold in macroNumber.
     /// macroNumber may range from 0 to 9.
     int macroNumber;