rename serial output to sout

device/serialstream.cc

@@ -5,17 +5,17 @@ SerialStream::SerialStream(ComPort port, BaudRate baud_rate, DataBits data_bits,
                            StopBits stop_bits, Parity parity)
     :Serial(port, baud_rate, data_bits, stop_bits, parity) {}
 
-SerialStream kout = SerialStream();
+SerialStream sout = SerialStream();
 
 void SerialStream::flush() {
-  print(kout.buffer, kout.pos);
-  kout.pos = 0;
+  print(sout.buffer, sout.pos);
+  sout.pos = 0;
 }
 
 void SerialStream::setForeground(Color c) {
     write(0x1b);
     write('[');
-    kout <<  30+c;
+    sout <<  30+c;
     flush();
     write('m');
 }
@@ -44,11 +44,11 @@ void SerialStream::setPos(int x, int y) {
     //char out[] = {0x1b, '[', 0, 0, ';', 0, 0, 'H', 0};
     //*this << 0x1b;
     write(0x1b);
-    kout << '[';
-    kout << dec << x;
-    kout << ';';
-    kout << dec << y;
-    kout << 'H';
+    sout << '[';
+    sout << dec << x;
+    sout << ';';
+    sout << dec << y;
+    sout << 'H';
     flush();
     //itoa(x, &out[2], 10);
     //itoa(y, &out[5], 10);

device/serialstream.h

@@ -142,5 +142,5 @@ class SerialStream : public OutputStream, public Serial {
   void print(char* str, int length);
 };
 
-extern SerialStream kout;
+extern SerialStream sout;