[RTTY] Remove call to standby after each byte (#306)

examples/RTTY/RTTY_Transmit/RTTY_Transmit.ino

@@ -130,6 +130,9 @@ void loop() {
   float f = -3.1415;
   rtty.println(f, 3);
 
+  // turn the transmitter off
+  rtty.standby();
+
   Serial.println(F("done!"));
 
   // wait for a second before transmitting again

examples/RTTY/RTTY_Transmit_AFSK/RTTY_Transmit_AFSK.ino

@@ -123,6 +123,9 @@ void loop() {
   float f = -3.1415;
   rtty.println(f, 3);
 
+  // turn the transmitter off
+  rtty.standby();
+
   Serial.println(F("done!"));
 
   // wait for a second before transmitting again

src/protocols/RTTY/RTTY.cpp

@@ -202,8 +202,6 @@ size_t RTTYClient::write(uint8_t b) {
     mark();
   }
 
-  standby();
-
   return(1);
 }
 

src/protocols/RTTY/RTTY.h

@@ -127,6 +127,13 @@ class RTTYClient {
     */
     void idle();
 
+    /*!
+      \brief Stops transmitting.
+
+      \returns \ref status_codes
+    */
+    int16_t standby();
+
     size_t write(const char* str);
     size_t write(uint8_t* buff, size_t len);
     size_t write(uint8_t b);
@@ -178,7 +185,6 @@ class RTTYClient {
     size_t printFloat(double, uint8_t);
 
     int16_t transmitDirect(uint32_t freq = 0, uint32_t freqHz = 0);
-    int16_t standby();
 };
 
 #endif