Set LED2 to follow RTS signal on USB.

src/config/conf_usb.h

@@ -125,7 +125,7 @@
 #define  UDI_CDC_RX_NOTIFY(port)
 #define  UDI_CDC_SET_CODING_EXT(port,cfg)
 #define  UDI_CDC_SET_DTR_EXT(port,set)
-#define  UDI_CDC_SET_RTS_EXT(port,set)
+//#define  UDI_CDC_SET_RTS_EXT(port,set)
 /*
  * #define UDI_CDC_ENABLE_EXT(port) my_callback_cdc_enable()
  * extern bool my_callback_cdc_enable(void);
@@ -140,6 +140,8 @@
  * #define  UDI_CDC_SET_RTS_EXT(port,set) my_callback_cdc_set_rts(port,set)
  * extern void my_callback_cdc_set_rts(uint8_t port, bool b_enable); 
  */
+#define  UDI_CDC_SET_RTS_EXT(port,set) my_callback_cdc_set_rts(port,set)
+extern void my_callback_cdc_set_rts(uint8_t port, uint8_t b_enable);
 
 //! Define it when the transfer CDC Device to Host is a low rate (<512000 bauds)
 //! to reduce CDC buffers size
@@ -162,5 +164,6 @@
 
 //! The includes of classes and other headers must be done at the end of this file to avoid compile error
 #include "udi_cdc_conf.h"
+#include "leds.h"
 
 #endif // _CONF_USB_H_

src/leds.c

+//
+//  leds.c
+//  dstat-firmware
+//
+//  Created by Michael Dryden on 2017-05-04.
+//  Copyright © 2017 Michael Dryden. All rights reserved.
+//
+
+#include "leds.h"
+#include "config/conf_board.h"
+#include <ioport.h>
+
+void my_callback_cdc_set_rts(uint8_t port, uint8_t b_enable){
+    #if BOARD_VER_MAJOR >= 1 && BOARD_VER_MINOR >= 2 && BOARD_VER_MICRO >=3
+        ioport_set_pin_level(LED2, b_enable);
+    #endif
+}
+
+

src/leds.h

+//
+//  leds.h
+//  dstat-firmware
+//
+//  Created by Michael Dryden on 2017-05-04.
+//  Copyright © 2017 Michael Dryden. All rights reserved.
+//
+
+#ifndef leds_h
+#define leds_h
+
+#include <stdio.h>
+
+void my_callback_cdc_set_rts(uint8_t port, uint8_t b_enable);
+
+
+#endif /* leds_h */