We need a bigger serial transmit ringbuffer, if we are going to store messages there before writing them to the actual serial interface.

Author: aentinger

src/serial/SerialDispatcher.h

@@ -76,10 +76,13 @@ class SerialDispatcher : public arduino::HardwareSerial
   bool _has_tread_started;
   bool _terminate_thread;
 
+  static int constexpr THREADSAFE_SERIAL_TRANSMIT_RINGBUFFER_SIZE = 128;
+  typedef arduino::RingBufferN<THREADSAFE_SERIAL_TRANSMIT_RINGBUFFER_SIZE> SerialTransmitRingbuffer;
+
   typedef struct
   {
     osThreadId_t thread_id;
-    arduino::RingBuffer tx_buffer;
+    SerialTransmitRingbuffer tx_buffer;
     bool block_tx_buffer;
     mbed::SharedPtr<arduino::RingBuffer> rx_buffer; /* Only when a thread has expressed interested to read from serial a receive ringbuffer is allocated. */
     PrefixInjectorCallbackFunc prefix_func;