AP_HAL: Unify from print or println to printf.

libraries/AP_HAL/examples/AnalogIn/AnalogIn.cpp

@@ -15,7 +15,7 @@ void loop (void)
 {
     float v  = ch->voltage_average(); 
     if (pin == 0) {
-	    hal.console->println();
+	    hal.console->printf("\n");
     }
     hal.console->printf("[%u %.3f] ",
 			  (unsigned)pin, v);

libraries/AP_HAL/examples/Printf/Printf.cpp

@@ -4,7 +4,7 @@
 const AP_HAL::HAL& hal = AP_HAL::get_HAL();
 
 void setup(void) {
-    hal.console->println("Starting Printf test");
+    hal.console->printf("Starting Printf test\n");
 }
 
 static const struct {

libraries/AP_HAL/examples/RCInput/RCInput.cpp

@@ -39,7 +39,7 @@ void loop(void)
                 for (uint8_t i = 0; i < max_channels_display; i++) {
                     hal.console->printf("%2u:%04u ", (unsigned)i+1, (unsigned)last_value[i]);
                 }
-                hal.console->println();
+                hal.console->printf("\n");
             }
         } else {
             hal.console->printf("Channels detected: %2u\n", nchannels);

libraries/AP_HAL/examples/RCInputToRCOutput/RCInputToRCOutput.cpp

@@ -46,7 +46,7 @@ void loop(void)
         for(uint8_t i = 0; i < max_channels; i++) {
             hal.console->printf("%2u:%04u ", (unsigned)i + 1, (unsigned)last_value[i]);
         }
-        hal.console->println();
+        hal.console->printf("\n");
     }
     hal.scheduler->delay(100);
 }

libraries/AP_HAL/examples/RCOutput/RCOutput.cpp

@@ -8,7 +8,7 @@ const AP_HAL::HAL& hal = AP_HAL::get_HAL();
 
 void setup (void) 
 {
-    hal.console->println("Starting AP_HAL::RCOutput test");
+    hal.console->printf("Starting AP_HAL::RCOutput test\n");
     for (uint8_t i=0; i<14; i++) {
         hal.rcout->enable_ch(i);
     }

libraries/AP_HAL/examples/RCOutput2/RCOutput.cpp

@@ -72,7 +72,7 @@ const struct Menu::command rcoutput_menu_commands[] = {
 MENU(menu, "Menu: ", rcoutput_menu_commands);
 
 void setup(void) {
-    hal.console->println("Starting AP_HAL::RCOutput test");
+    hal.console->printf("Starting AP_HAL::RCOutput test\n");
 
     for (uint8_t i = 0; i < 14; i++) {
         hal.rcout->enable_ch(i);