Try to complie v2.63.4 for dragonlink. Only changed //#define displaySupport

define ESP32_Variant 3 // Dragonlink V3 slim with internal ESP32 - contributed by Noircogi

And try to verify. But it hit #error "Unsupported board type!". It seems ESP32 is not defined. But I did select ESP32_Variant 3.

Error message

`Arduino: 1.8.13 (Windows 10), Board: "Arduino Uno" C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\Delong\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\Delong\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Delong\Documents\Arduino\libraries -fqbn=arduino:avr:uno -ide-version=10813 -build-path C:\Users\Delong\AppData\Local\Temp\arduino_build_374109 -warnings=none -build-cache C:\Users\Delong\AppData\Local\Temp\arduino_cache_790209 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Delong\Downloads\MavlinkToPassthru-master\MavlinkToPassthru-master\MavToPass_v2.63.4\MavToPass_v2.63.4.ino

C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\Delong\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\Delong\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Delong\Documents\Arduino\libraries -fqbn=arduino:avr:uno -ide-version=10813 -build-path C:\Users\Delong\AppData\Local\Temp\arduino_build_374109 -warnings=none -build-cache C:\Users\Delong\AppData\Local\Temp\arduino_cache_790209 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Delong\Downloads\MavlinkToPassthru-master\MavlinkToPassthru-master\MavToPass_v2.63.4\MavToPass_v2.63.4.ino

Using board 'uno' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Using core 'arduino' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Detecting libraries used...

"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10813 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino" "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard" "C:\Users\Delong\AppData\Local\Temp\arduino_build_374109\sketch\MavToPass_v2.63.4.ino.cpp" -o nul -DARDUINO_LIB_DISCOVERY_PHASE

Alternatives for CircularBuffer.h: [CircularBuffer-master@1.2.0]

ResolveLibrary(CircularBuffer.h)

-> candidates: [CircularBuffer-master@1.2.0]

"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10813 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino" "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard" "-IC:\Users\Delong\Documents\Arduino\libraries\CircularBuffer-master" "C:\Users\Delong\AppData\Local\Temp\arduino_build_374109\sketch\MavToPass_v2.63.4.ino.cpp" -o nul -DARDUINO_LIB_DISCOVERY_PHASE

Alternatives for mavlink_types.h: [c_library_v2]

ResolveLibrary(mavlink_types.h)

-> candidates: [c_library_v2]

"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10813 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino" "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard" "-IC:\Users\Delong\Documents\Arduino\libraries\CircularBuffer-master" "-IC:\Users\Delong\Documents\Arduino\libraries\c_library_v2" "C:\Users\Delong\AppData\Local\Temp\arduino_build_374109\sketch\MavToPass_v2.63.4.ino.cpp" -o nul -DARDUINO_LIB_DISCOVERY_PHASE

Error while detecting libraries included by C:\Users\Delong\AppData\Local\Temp\arduino_build_374109\sketch\MavToPass_v2.63.4.ino.cpp

Generating function prototypes...

"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10813 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino" "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard" "-IC:\Users\Delong\Documents\Arduino\libraries\CircularBuffer-master" "-IC:\Users\Delong\Documents\Arduino\libraries\c_library_v2" "C:\Users\Delong\AppData\Local\Temp\arduino_build_374109\sketch\MavToPass_v2.63.4.ino.cpp" -o "C:\Users\Delong\AppData\Local\Temp\arduino_build_374109\preproc\ctags_target_for_gcc_minus_e.cpp" -DARDUINO_LIB_DISCOVERY_PHASE

In file included from C:\Users\Delong\Downloads\MavlinkToPassthru-master\MavlinkToPassthru-master\MavToPass_v2.63.4\MavToPass_v2.63.4.ino:142:0:

config.h:213:4: error: #error "Unsupported board type!"

error "Unsupported board type!"

^~~~~

config.h:283:8: error: #error Bluetooth works only on an ESP32 board

   #error Bluetooth works only on an ESP32 board

    ^~~~~

Using library CircularBuffer-master at version 1.2.0 in folder: C:\Users\Delong\Documents\Arduino\libraries\CircularBuffer-master

Using library c_library_v2 in folder: C:\Users\Delong\Documents\Arduino\libraries\c_library_v2 (legacy)

exit status 1

error "Unsupported board type!"

config.h

`//================================================================================================= //================================================================================================= // // C O N F I G U R A T I O N //

/* =================================================================================================== M o s t R e c e n t C h a n g e s ===================================================================================================

Complete change log and debugging options are at the bottom of this tab

v2.63.4 2020-11-17 Support simultaneous wifi uplink and downlink (AP_STA mode)

*/ //=========================================================================================== // // PLEASE SELECT YOUR DEFAULT OPTIONS BELOW BEFORE COMPILING // // Most of the settings below are saved to EEPROM the first time mav2pt runs // Use the web interface to change them, or Reset_Web_Defaults below // //===========================================================================================

                                   // Most of the settings below are saved to EEPROM the first time mav2pt runs

//#define Reset_Web_Defaults // Reset settings in eeprom. Do this if you suspect eeprom settings are corrupt USE SPARINGLY

// Choose either S.Port or F.Port or None //#define FrSky_Port_Type 0 // No FrSky Port support needed. Now I'm a "Mavlink Switch"

define FrSky_Port_Type 1 // S.Port

//#define FrSky_Port_Type 2 // F.Port v1/v2 FrSky ISRM/ACCESS capable transmitters and receivers only

//#define Uninverted_FrSky_Receiver_Pad // S.Port is usually INVERTED (idle low). F.Port is always UNINVERTED (idle high)

define Device_sysid 251 // Our Mavlink Identity - APM FC is 1, Mission Planner is 255, QGC default is 0

define Device_compid MAV_COMP_ID_PERIPHERAL // 158 Generic autopilot peripheral - APM FC is 1, MP is 190, QGC is https://mavlink.io/en/messages/common.html

define webSupport // ESP only. Enable wifi web support, including OTA firmware updating. Browse to IP.

define webPassword "changeme!" // Web password

//#define displaySupport // Enable if you have a display attached - choose display type where board variant is defined

//#define AutoBaud // Auto detect Mavlink serial-in baud rate // NOTE: Set mvBaud = 57600 for Dragonlink and RFD900X

define mvBaud 57600 // Mavlink to/from the flight controller - max 921600 - must match FC or long range radio

// Do not enable for FlightDeck

define PlusVersion // Added support for 0x5009 Mission WPs, 0x50F1 Servo_Channels, 0x50F2 VFR_Hud

//================================================================================================= // D E F A U L T T R A N S L A T I O N M O D E S E T T I N G S
//=================================================================================================
// Choose only one of these three translation modes

define Ground_Mode // Translator between Taranis et al and LRS transceiver (like Dragonlink, ULRS, RFD900...)

//#define Air_Mode // Translator between FrSky receiver (like XRS) and Flight Controller (like Pixhawk) //#define Relay_Mode // Translator between LRS tranceiver (like Dragonlink) and FrSky receiver (like XRS) in relay box on the ground

//================================================================================================= // D E F A U L T U P L I N K ( F C ) S E T T I N G S
//================================================================================================= // Choose only one of these default Flight-Controller-side I/O channels // How does Mavlink telemetry enter this translator?

define FC_Mavlink_IO 0 // Serial Port (default)

//#define FC_Mavlink_IO 1 // BlueTooth Classic - ESP32 only //#define FC_Mavlink_IO 2 // WiFi - ESP32 or ESP8266 only //#define FC_Mavlink_IO 3 // SD Card / TF - ESP32 only

//================================================================================================= // D E F A U L T D O W N L I N K ( G C S ) S E T T I N G S
//================================================================================================= // Choose only one of these default GCS-side I/O channels // How does Mavlink telemetry leave this translator? // These are optional, and in addition to the F.Port telemetry output //#define GCS_Mavlink_IO 0 // Serial Port - simultaneous uplink and downlink serial not supported. Not enough uarts.
//#define GCS_Mavlink_IO 1 // BlueTooth Classic - ESP32 only //#define GCS_Mavlink_IO 2 // WiFi - ESP32 or ESP8266 only - auto selects on ESP8266

define GCS_Mavlink_IO 3 // WiFi AND Bluetooth simultaneously. DON'T DO THIS UNLESS YOU NEED IT. SRAM is scarce! - ESP32 only

ifndef GCS_Mavlink_IO

define GCS_Mavlink_IO 9 // NONE (default)

endif

// NOTE: The Bluetooth class library uses a lot of application memory. During Compile/Flash // you may need to select Tools/Partition Scheme: "Minimal SPIFFS (1.9MB APP ...) or similar

//#define GCS_Mavlink_SD // SD Card - ESP32 only - mutually inclusive with GCS I/O //#define FPort_To_SD // SD Card - ESP32 only - mutually inclusive with F.Port

//================================================================================================= //=================================================================================================
// S E L E C T E S P B O A R D V A R I A N T
//================================================================================================= //================================================================================================= //#define ESP32_Variant 1 // ESP32 Dev Module - Use Partition Scheme: "Minimal SPIFFS(1.9MB APP...)" //#define ESP32_Variant 2 // Wemos® LOLIN ESP32-WROOM-32_OLED_Dual_26p

define ESP32_Variant 3 // Dragonlink V3 slim with internal ESP32 - contributed by Noircogi

//#define ESP32_Variant 4 // Heltec Wifi Kit 32 - Use Partition Scheme: "Minimal SPIFFS(Large APPS with OTA)" - contributed by Noircogi //#define ESP32_Variant 5 // LILYGO® TTGO T-Display ESP32 1.14" ST7789 Colour LCD //#define ESP32_Variant 6 // LILYGO® TTGO T2 SD SSD1331 TFT Colour 26pin - 16Ch x 8 lines (H 96 x W 64 in portrait)

//#define ESP8266_Variant 1 // NodeMCU ESP 12F - choose "NodeMCU 1.0(ESP-12E)" board in the IDE

define ESP8266_Variant 2 // ESP-12E, ESP-F barebones boards. RFD900X TX-MOD, QLRS et al - use Generic ESP8266 on IDE

//#define ESP8266_Variant 3 // ESP-12F - Wemos® LOLIN D1 Mini //================================================================================================= //================================================================================================= // D E F A U L T B L U E T O O T H S E T T I N G S
//================================================================================================= //#define BT_Mode 1 // Master Mode - active, initiate connection with slave (name)

define BT_Mode 2 // Slave Mode - passive, advertise our hostname & wait for master to connect to us

define BT_ConnectToSlave "Crossfire 0277" // Example

//================================================================================================= // D E F A U L T W I F I S E T T I N G S
//=================================================================================================

define Start_WiFi // Start WiFi at startup, override startWiFi pin

define HostName "MavToPass" // This translator's host name

define APssid "MavToPassthru" // The AP SSID that we advertise ====>

define APpw "password" // Change me! Must be >= 8 chars

define APchannel 9 // The wifi channel to use for our AP

define STAssid "OmegaOffice" // Target AP to connect to (in STA mode) <====

define STApw "Navara@98" // Target AP password (in STA mode). Must be >= 8 chars

// Choose one default mode for ESP only - AP means advertise as an access point (hotspot). STA means connect to a known host //#define WiFi_Mode 1 //AP
//#define WiFi_Mode 2 // STA

define WiFi_Mode 3 // (STA>AP) STA failover to AP

// Choose one default protocol - for ESP32 only //#define WiFi_Protocol 1 // TCP/IP

define WiFi_Protocol 2 // UDP

//#define UDP_Broadcast // Comment out (default) if you want to track and target remote udp client ips // NOTE; UDP is not a connection based protocol. To communicate with > 1 client at a time, we must broadcast on the subnet
//================================================================================================= // R S S I O P T I O N S
//=================================================================================================

define Rssi_Pacemaker 200 // mS. RSSI 0xF101 frame sent with this period regardless of rate of RSSI arrival

define RSSI_Override 70 // Only if (RSSI == 0) force it to value, but only sent when Mavlink good.)

//#define Rssi_In_Percent // Un-comment if RSSI is already in %, not relative to (254->100%) //#define QLRS // QLRS Longe Range System uses remote rssi field - PR from giocomo892 april 2020)

// RSSI_Source is automatic. Order of precedence: // First: #109 SiK style RADIO_STATUS // Second: #65 RC_CHANNELS // Third: #35 RC_CHANNELS_RAW

//================================================================================================= // O T H E R U S E R O P T I O N S
//=================================================================================================

//defined PitLab // Uncomment me to force PitLab OSD stack

//#define Battery_mAh_Source 1 // Get battery mAh from the FC - note both rx and tx lines must be connected
//#define Battery_mAh_Source 2 // Define bat1_capacity and bat2_capacity below and use those const uint16_t bat1_capacity = 5200;
const uint16_t bat2_capacity = 0;

define Battery_mAh_Source 3 // Define battery mAh in the LUA script on the Taranis/Horus - Recommended

// Status_Text messages place a huge burden on the meagre 4 byte FrSky telemetry payload bandwidth // The practice has been to send them 3 times to ensure that they arrive unscathed at the receiver // but that makes the bandwidth limitation worse and may crowd out other message types. Try without // sending 3 times, but if status_text gets distorted, un-comment the next line //#define Send_status_Text_3_Times

//#define Send_Sensor_Health_Messages

//#define Request_Missions_From_FC // Un-comment if you need mission waypoint from FC - NOT NECESSARY RIGHT NOW

//#define Data_Streams_Enabled // Requests data streams from FC. Requires both rx and tx lines to FC. Rather set SRn in Mission Planner

//================================== Set your time zone here ====================================== // Only for SD / TF Card adapter option // Date and time determines the TLog file name only //const float Time_Zone = 10.5; // Adelaide, Australia const float Time_Zone = 2.0; // Jo'burg bool daylightSaving = false;

//================================================================================================= // E X P E R I M E N T A L O P T I O N S
// Don't change anything here unless you are confident you know the outcome

//#define ESP32_SoftwareSerial // otherwise HardwareSerial is used //#define ESP_Air_Relay_Blind_Inject_OK // Blind inject instead of interleaving

//#define Support_MavLite

//=================================================================================================
// Auto Determine Target Platform //================================================================================================= // // Don't change anything here //

if defined (MK20DX128) || defined(MK20DX256)

define TEENSY3X

elif defined ESP32

define Target_Board 3 // Espressif ESP32 Dev Module

elif defined ESP8266

define Target_Board 4 // Espressif ESP8266

else

error "Unsupported board type!"

endif

//=================================================================================================
// CHECK #MACRO OPTIONS LOGIC //=================================================================================================

if defined PlusVersion

define Request_Mission_Count_From_FC // Needed for yaapu's mission/waypoint script

endif

if (not defined ESP32) && (not defined ESP8266)

if defined webSupport

#undef webSupport
//    #error webSupport only available on ESP32 or ESP8266

endif

if defined ESP32

include

include <driver/uart.h> // In Arduino ESP32 install repo

//C:\Users\\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\tools\sdk\include\driver

endif

if (defined ESP32) || (defined ESP8266) // ESP32 or ESP8266 (UART0, UART1, and UART2)

#if (frPort_Serial  == 3)    
  #error Board does not have Serial3. This configuration is not possible.
#endif

endif

if (defined TEENSY3X)

#if (FC_Mavlink_IO == 3) || (defined GCS_Mavlink_SD)  
  #error SD card not currently implemented for Teensy
#endif

endif

ifndef Battery_mAh_Source

#error Please choose at least one Battery_mAh_Source

endif

if (defined TEENSY3X)

 #if defined webSupport
   #undef  webSupport
 #endif
 #if defined FC_Mavlink
   #undef FC_Mavlink
 #endif  
 #if defined FC_Mavlink_IO
   #undef  FC_Mavlink_IO     
   #define FC_Mavlink_IO  0
 #endif
 #if defined GCS_Mavlink_IO
   #undef GCS_Mavlink_IO
 #endif   
 #define GCS_Mavlink_IO 9

 #if (FC_Mavlink_IO == 2) || (GCS_Mavlink_IO == 2) || (GCS_Mavlink_IO == 3) || (defined webSupport)   // if wifi selected
   #error WiFi and webSupport only work on an ESP32 or ESP8266 board
 #endif

endif

if (defined ESP8266) && ((GCS_Mavlink_IO == 1) || (GCS_Mavlink_IO == 3)) // Can't do BT on 8266

  #undef GCS_Mavlink_IO
  #define GCS_Mavlink_IO  2    // WiFi Only

endif

if (FC_Mavlink_IO == 1) || (GCS_Mavlink_IO == 1) || (GCS_Mavlink_IO == 3)

#if (not defined ESP32) 
  #error Bluetooth works only on an ESP32 board      
#else
  #if (not defined BT_Mode)
    #error Please define BT_Mode  
  #endif
#endif

endif

ifndef FC_Mavlink_IO

#error Please choose at least one Mavlink FC IO channel

endif

if (defined ESP32)

#ifndef WiFi_Mode 
  #error Please define WiFi_Mode
#endif

endif

if (defined ESP32)

#ifndef WiFi_Protocol
  #error Please define WiFi_Protocol
#endif

endif

if (defined ESP32)

#ifndef ESP32_Variant 
  #error Please define an ESP32 board variant
#endif

endif

if (defined ESP8266)

#ifndef ESP8266_Variant
     #error Please define an ESP8266 board variant
#endif

endif

if ((FrSky_Port_Type == 0) && (defined TEENSY3X) )

error Are you sure you want no FrSky port support on this Teensy 3.x?

endif

if (FrSky_Port_Type == 1 || FrSky_Port_Type == 2)

#define frBuiltin     //  for S.Port or F.Port we need FrSky_Port support compiled in

endif

if (defined ESP32 || defined ESP8266) && (FC_Mavlink_IO == 2 || FC_Mavlink_IO == 3 || GCS_Mavlink_IO == 2 || GCS_Mavlink_IO == 3 || defined webSupport)

#define wifiBuiltin   //  for these features we need wifi support compiled in

endif

if (defined ESP32) && (FC_Mavlink_IO == 1 || FC_Mavlink_IO == 3 || GCS_Mavlink_IO == 1 || GCS_Mavlink_IO == 3)

#define btBuiltin   //  for these features we need bluetooth support compiled in

endif

if (defined ESP32 || defined ESP8266) && ((FC_Mavlink_IO == 3) || (defined GCS_Mavlink_SD) || (defined FPort_To_SD) ) // SD Card / TF - ESP32 only

#define sdBuiltin

endif

if defined ESP_Onewire

if not defined ESP32_SoftwareSerial

 #error ESP_Onewire is predicated on ESP32_SoftwareSerial

endif

if (FC_Mavlink_IO == 0 && GCS_Mavlink_IO == 0)

error Similtaneous serial uplink and serial downlink not supported. Not enough uarts.

endif

if (not defined FrSky_Port_Type)

error define FrSky_Port_Type, None or SPort_Version or FPort_Version

endif

//=================================================================================================
// P L A T F O R M D E P E N D E N T S E T U P S //=================================================================================================

if defined TEENSY3X // Teensy3x

define Teensy_One_Wire // default half-duplex

define MavStatusLed 13

define InvertMavLed false

define BufStatusLed 14

define mav_rxPin 9

define mav_txPin 10

define frPort_Serial 1 // Teensy F/SPort port1=pin1, port3=pin8. The default is Serial 1, but 3 is possible

if (frPort_Serial == 1)

#define fr_rxPin       0      // FPort rx - optional
#define fr_txPin       1      // FPort tx - Use me in single wire mode 
#define GC_Mav_rxPin   7    
#define GC_Mav_txPin   8

elif (frPort_Serial == 3)

#define fr_txPin       7      // Optional FPort rx  
#define fr_txPin       8      // Optional FPort tx - use me in single wire mode

endif

undef displaySupport // no Teensy display support for now

if (defined sdBuiltin) || (defined displaySupport)

endif

elif defined ESP32 // ESP32 Platform

//========================================================================= // N O T E: G P I O 1 2 is a bootstrap pin on the ESP32 - avoid GPIO12 high on bootup

if (ESP32_Variant == 1) // ESP32 Dev Module

#define MavStatusLed  02        // Onboard LED
#define InvertMavLed false      
#define BufStatusLed  27        // untested pin      
#define mav_rxPin     16        // Mavlink serial rx
#define mav_txPin     17        // Mavlink serial tx
#define fr_rxPin      13        // FPort- Not used in 1-wire mode DON'T use 12!
#define fr_txPin       4        // FPorttx - Use me in single wire mode
#define startWiFiPin   5        // 5 Trigger WiFi startup  

#if (defined displaySupport)   // Display type defined with board variant
  #define SSD1306_Display         // OLED display type    
  /* Below please choose either Touch pin-pair or Digital pin-pair for display scrolling
   *  Pin == 99 means the pin-pair is not used
   */ 
  #define Pinfo         99        //    Digital pin to toggle information/log page              
  #define Pup           99        // 35 Board Button 1 to scroll the display up
  #define Pdn           99        //  0 Board Button 2 to scroll the display down  
  #define Tinfo         15        // 15 Touch pin to toggle information/log page       
  #define Tup           33        // 33 Touch pin to scroll the display up
  #define Tdn           32        // 32 Touch pin to scroll the display down   
  #define SDA           21        // I2C OLED board
  #define SCL           22        // I2C OLED board
  #define i2cAddr      0x3C       // I2C OLED board
#endif   
/*  
  SPI/CS                       Pin 05   For optional TF/SD Card Adapter
  SPI/MOSI                     Pin 23   For optional TF/SD Card Adapter
  SPI/MISO                     Pin 19   For optional TF/SD Card Adapter
  SPI/SCK                      Pin 18   For optional TF/SD Card Adapter  
*/

endif

//=========================================================================

if (ESP32_Variant == 2) // Wemos® LOLIN ESP32-WROOM-32_OLED_Dual_26p

#define MavStatusLed  15        // No Onboard LED
#define InvertMavLed false     
#define BufStatusLed  99        // None    
#define mav_rxPin     25        // Mavlink serial rx
#define mav_txPin     26        // Mavlink serial tx
#define fr_rxPin      13        // FPort- Not used in single wire mode DON'T use 12!
#define fr_txPin      14        // FPorttx - Use me in single wire mode
#define startWiFiPin  18        // Trigger WiFi startup

#if (defined displaySupport)   // Display type defined with # define displaySupport 
  #define SSD1306_Display         // OLED display type    
  /* Below please choose either Touch pin-pair or Digital pin-pair for display scrolling
   *  Pin == 99 means the pin-pair is not used
   */ 
  #define Pinfo         99        //    Digital pin to trigger information display              
  #define Pup           99        // 35 Board Button 1 to scroll the display up
  #define Pdn           99        //  0 Board Button 2 to scroll the display down   
  #define Tinfo         99        // 02 Touch pin to toggle information/log page       
  #define Tup           99        // 33 Touch pin to scroll the display up
  #define Tdn           99        // 32 Touch pin to scroll the display down   
  #define Tinfo         99        //    Touch pin to toggle information/log page
  #define SDA           05        // I2C OLED board
  #define SCL           04        // I2C OLED board
  #define i2cAddr      0x3C       // I2C OLED board
#endif

endif

if (ESP32_Variant == 3) // Dragonlink V3 slim with internal ESP32

#if defined mvBaud
  #undef mvBaud
  #define mvBaud 115200       // Force baud rate to DragonLink rate
#endif
#define MavStatusLed  18        // Blue LED
#define InvertMavLed false    
#define BufStatusLed  19        // Green LED        
#define mav_rxPin     16        // Mavlink serial rx
#define mav_txPin     17        // Mavlink serial tx
#define fr_rxPin      13        // FPort- Not used in single wire mode DON'T use 12!
#define fr_txPin      01        // FPorttx - Use me in single wire mode
#define startWiFiPin  18        // Trigger WiFi startup  

#if (defined displaySupport)   // Display type defined with # define displaySupport   
  #define SSD1306_Display         // OLED display type  
  /* Below please choose either Touch pin-pair or Digital pin-pair for display scrolling
   *  Pin == 99 means the pin-pair is not used
   */ 
  #define Pinfo         99        //    Digital pin to toggle information/log page         
  #define Pup           99        // 35 Board Button 1 to scroll the display up
  #define Pdn           99        //  0 Board Button 2 to scroll the display down 
  #define Tinfo         99        //    Touch pin to toggle information/log page         
  #define Tup           99        // 33 Touch pin to scroll the display up
  #define Tdn           99        // 32 Touch pin to scroll the display down   
  #define SDA           05        // I2C OLED board
  #define SCL           04        // I2C OLED board 
  #define i2cAddr      0x3C       // I2C OLED board
#endif

endif

//=========================================================================

if (ESP32_Variant == 4) // Heltec Wifi Kit 32 (NOTE! 8MB)

#define MavStatusLed    25        // Onboard LED
#define InvertMavLed   false     
#define BufStatusLed    99        // none  
#define mav_rxPin       27        // Mavlink serial rx
#define mav_txPin       17        // Mavlink serial tx
#define fr_rxPin        13        // FPort rx - (NOTE: DON'T use pin 12! boot fails if pulled high)
#define fr_txPin        14        // FPort tx - Use me in single wire mode
#define startWiFiPin    18        // Trigger WiFi startup 
#if !defined displaySupport      // I2C OLED board is built into Heltec WiFi Kit 32
  #define displaySupport
#endif  
#define SSD1306_Display         // OLED display type   
/* Below please choose either Touch pin-pair or Digital pin-pair for display scrolling
 *  Pin == 99 means the pin-pair is not used
 */ 
#define Pup           99        // Board Button to scroll the display up
#define Pdn           99        // Board Button to scroll the display down
#define Pinfo         99        // 02 Digital pin to toggle information/log page
#define Tup           33        // 33 Touch pin to scroll the display up
#define Tdn           32        // 32 Touch pin to scroll the display down 
#define Tinfo         02        // 02 Touch pin to toggle information/log page
#define SDA           04        // I2C OLED board 
#define SCL           15        // I2C OLED board
#define i2cAddr      0x3C       // I2C OLED board
#define OLED_RESET    16        // RESET here so no reset lower down    

/*  
  SPI/CS               05   For optional TF/SD Card Adapter
  SPI/MOSI             23   For optional TF/SD Card Adapter
  SPI/MISO             19   For optional TF/SD Card Adapter
  SPI/SCK              18   For optional TF/SD Card Adapter  
*/

endif

//=========================================================================

if (ESP32_Variant == 5) // LILYGO® TTGO T-Display ESP32 1.14" ST7789 Colour LCD, IDE board = "ESP32 Dev Module"

                                // Remember to select the T_Display board in User_Setup_Select.h in TFT_eSPI library
#define MavStatusLed  25        // Add your own LED with around 1K series resistor
#define InvertMavLed false     
#define BufStatusLed  99        // none
#define mav_rxPin     27        // Mavlink serial rx
#define mav_txPin     17        // Mavlink serial tx
#define fr_rxPin      13        // FPortrx - (NOTE: DON'T use pin 12! boot fails if pulled high)
#define fr_txPin      15        // FPorttx - Use me in single wire mode
#define startWiFiPin  99        // 99=none. No input pin available (non touch!) Could use touch with a bit of messy work.

#if !defined displaySupport    // I2C TFT board is built into TTGO T-Display
  #define displaySupport
#endif    
#define ST7789_Display          // TFT display type - if you have a display you must define which type

/* Below please choose either Touch pin-pair or Digital pin-pair for display scrolling
 *  Pin == 99 means the pin-pair is not used
 */ 
#define Pinfo          2        //    Digital pin to toggle information/log page     
#define Pup            0        //  0 Board Button 1 to scroll the display up
#define Pdn           35        // 35 Board Button 2 to scroll the display down 
#define Tinfo         99        //    Touch pin to toggle information/log page       
#define Tup           99        // 33 Touch pin to scroll the display up
#define Tdn           99        // 32 Touch pin to scroll the display down   

//#define screenOrientation 0    // Portrait - Select one orientation only
#define screenOrientation   1    // Landscape

#define SDA           21        // I2C TFT board 
#define SCL           22        // I2C TFT board
#define i2cAddr      0x3C       // I2C TFT board

endif

//=========================================================================

if (ESP32_Variant == 6) // LILYGO® TTGO T2 SD SSD1331 TFT Colour 26pin IDE board = "ESP32 Dev Module"

#define MavStatusLed   5        // BoardLED
#define InvertMavLed true     
#define BufStatusLed  99        // none
#define mav_rxPin     17        // Mavlink serial rx
#define mav_txPin     18        // Mavlink serial tx
#define fr_rxPin      19        // FPort rx - possible 22 / 23
#define fr_txPin      21        // FPort tx - Use me in single wire mode
#define startWiFiPin  99        // 99=none. No input pin available (non touch!) Could use touch with a bit of messy work.

#if !defined sdBuiltin         // SD reader is built into TTGO T2
  #define sdBuiltin
#endif
#if !defined displaySupport      // I2C OLED board is built into TTGO T2
  #define displaySupport
#endif
#define SSD1331_Display         // colour TFT display type see here https://github.com/emard/ulx3s/issues/8
                                // software graphic display clear very slow
#define SCLK          14          // SPI pins for SSD1331 
#define MOSI          13
#define MISO          12          // apparently not used by Adafruit ?
#define CS            15
#define DC            16
#define RST            4
/*    Below please choose either Touch pin-pair or Digital pin-pair for display scrolling
 *    Pin == 99 means the pin-pair is not used
 */ 
#define Pinfo         25        // Digital pin to toggle information/log page        
#define Pup           99        // Board Button 1 to scroll the display up
#define Pdn           99        // Board Button 2 to scroll the display down    
#define Tinfo         99        // Touch pin to toggle information/log page    
#define Tup           32        // Touch pin to scroll the display up
#define Tdn            2        // Touch pin to scroll the display down

endif

elif defined ESP8266 // ESP8266 Platform

//=========================================================================

if (ESP8266_Variant == 1) // NodeMCU 12F board - Dev board with usb etc

#define MavStatusLed  D4        // D4/GPIO2 Board LED - Mav Status LED inverted logic - use 99 while debug
#define InvertMavLed true      
#define BufStatusLed  99        // None

// D4 // TXD1 - Serial1 debug log out SHARED WITH BOARD LED

define mav_rxPin D9 // RXD0 default

#define mav_txPin     D10       // TXD0 default    
#define fr_rxPin      D5        // FPort- Not used in single wire mode
#define fr_txPin      D6        // FPorttx - Use me in single wire mode
#define startWiFiPin  99        // 99=none or D3/D7 - Trigger WiFi startup 
                                // NOTE: There are not enough pins for wifi pin and display scrolling

#if (defined displaySupport)   // Display type defined with # define displaySupport   
  /* Below please choose Digital pin-pair for display scrolling
   *  Pin == 99 means the pin-pair is not used
   */ 
  #define Pinfo       99        // Digital pin to toggle information/log page           
  #define Pup         D3        // D3 Board Button 1 to scroll the display up
  #define Pdn         D7        // D7 Board Button 2 to scroll the display down    
  #define SCL         D1        // I2C OLED board   
  #define SDA         D2        // I2C OLED board
  #define i2cAddr    0x3C       // I2C OLED board
#endif

endif

//=========================================================================

if (ESP8266_Variant == 2) // ESP-12E, ESP-F barebones boards. RFD900X TX-MOD, QLRS et al - use Generic ESP8266 on IDE

//                         GPIO as per node mcu
static const uint8_t D0   = 16;   // SCL - optional
static const uint8_t D1   = 5;    // SDA - optional
static const uint8_t D2   = 4;    // FPorttx - Use me in single wire mode
static const uint8_t D3   = 0;    // Flash
static const uint8_t D4   = 2;    // BoardLED & TXD1 optional debug out
static const uint8_t D5   = 14;   // FPortrx (unused in half-duplex)
static const uint8_t D6   = 12;   // P2-3 exposed dual row of pins
static const uint8_t D7   = 13;   // CTS
static const uint8_t D8   = 15;   // RTS
static const uint8_t D9   = 3;    // RXD0 mavlink and flashing
static const uint8_t D10  = 1;    // TXD0 mavlink and flashing

#define MavStatusLed  D4        // D4 Board LED - Mav Status LED inverted logic - use 99 while debug
#define InvertMavLed true    
#define BufStatusLed  99        // None
//                    D4        // TXD1 - Serial1 default debug log out SHARED WITH BOARD LED                           
#define mav_rxPin     D9        // RXD0 default  
#define mav_txPin     D10       // TXD0 default    
#define fr_rxPin      D5        // FPort- Not used in single wire mode
#define fr_txPin      D2        // FPort(half-duplex) inverted - Use me in single wire mode
#define startWiFiPin  D6        // Trigger WiFi startup 
                                // NOTE: There may not be enough pins for wifi pin AND display scrolling  
#if (defined displaySupport)    // Display type defined with # define displaySupport 
  #define SSD1306_Display  
  /* Below please choose Digital pin-pair for display scrolling
   *  Pin == 99 means the pin-pair is not used
   */ 
  #define Pinfo         99        // Digital pin to toggle information/log page          
  #define Pup           99        // D3 Board Button 1 to scroll the display up
  #define Pdn           99        // D7 Board Button 2 to scroll the display down    
  #define SCL           D0        // I2C OLED board   
  #define SDA           D1        // I2C OLED board
  #define i2cAddr      0x3C       // I2C OLED board
#endif

endif // end of this ESP8266 variant

//=========================================================================

if (ESP8266_Variant == 3) // ESP-12F, Wemos® LOLIN D1 Mini - use Generic ESP8266 on Arduino IDE

//  Pin Map as per C:\Users\<user>\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.1\variants\d1_mini\pins_arduino.h

#define LED_BUILTIN 2

static const uint8_t D0   = 16;  // WiFi trigger
static const uint8_t D1   = 5;   // SCL - optional
static const uint8_t D2   = 4;   // SDA - optional
static const uint8_t D3   = 0;   // Flash - reserved
static const uint8_t D4   = 2;   // LED_BUILTIN & TXD1 optional debug out
static const uint8_t D5   = 14;  // FPortrx (unused in half-duplex)
static const uint8_t D6   = 12;  // FPorttx - Use me in single wire mode
static const uint8_t D7   = 13;  // CTS 
static const uint8_t D8   = 15;  // RTS
static const uint8_t D9   = 3;   // RXD0
static const uint8_t D10  = 1;   // TCD0 

#define MavStatusLed  D4        // D4 Board LED - Mav Status LED inverted logic - use 99 while debug
#define InvertMavLed true    
#define BufStatusLed  99        // None
//                    D4        // TXD1 - Serial1 default debug log out SHARED WITH LED_BUILTIN BOARD LED                           
#define mav_rxPin     D9        // RXD0 - Serial(0) 
#define mav_txPin     D10       // TXD0 - Serial(0) 
#define fr_rxPin      D5        // FPort- Not used in single wire mode
#define fr_txPin      D6        // FPort- inverted - Use me in single wire mode
#define startWiFiPin  D16       // Trigger WiFi startup 

#if (defined displaySupport)   // Display type defined with # define displaySupport   
  /* Below please choose Digital pin-pair for display scrolling
   *  Pin == 99 means the pin-pair is not used
   */ 
  #define Pinfo         99        // Digital pin to toggle information/log page           
  #define Pup           99        // D3 Board Button 1 to scroll the display up
  #define Pdn           99        // D7 Board Button 2 to scroll the display down    
  #define SCL           D1        // I2C OLED board   
  #define SDA           D2        // I2C OLED board
  #define i2cAddr      0x3C       // I2C OLED board
#endif

endif // end of this ESP8266 variant

endif // end of all ESP8266 variants

//=================================================================================================
// E E P R O M S U P P O R T - ESP Only - for now //=================================================================================================

if (defined ESP32) || (defined ESP8266)

#include <EEPROM.h>       // To store AP_Failover_Flag and webSupport Settings
#define EEPROM_SIZE 165   // 1 + 160 bytes, addr range 0 thru 161

endif

//=================================================================================================
// S D C A R D S U P P O R T - ESP Only - for now //=================================================================================================

if ((defined ESP32) || (defined ESP8266)) && (defined sdBuiltin)

#include <FS.h>
#include <SD.h>
#include <SPI.h>
#define SD_Libs_Loaded 

/*
// Optional SPI interface pins for SD card adapter or SSD1306 OLED display
#define CS            5        
#define MOSI          23 
#define MISO          19 
#define SCK           18 
*/  

// Pins generally   CS=5    MOSI=23   MISO=19   SCK=18    3.3V   GND   Dev Board, LilyGO/TTGO

// Rememeber to change SPI frequency from 4E6 to 25E6, i.e 4MHz to 25MHz in SD.h otherwise MavRingBuff fills up 
// C:\Users\YourUserName\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.2\libraries\SD\src  
// bool begin(uint8_t ssPin=SS, SPIClass &spi=SPI, uint32_t frequency=25000000, const char * mountpoint="/sd", uint8_t max_files=5);  

char              cPath[40];
std::string       fnPath[30];
uint8_t           fnCnt;
uint16_t          sdReadDelay = 10;  // mS   Otherwise the reads run through unnaturally quickly

const uint16_t    sd_buf_sz = 128;
byte              sd_buf [sd_buf_sz];
uint16_t          sd_idx = 0;

File     file;  // Create global object from File class for general use

static  const uint8_t mthdays[]={31,28,31,30,31,30,31,31,30,31,30,31}; 

typedef struct  { 
  uint16_t yr;   // relative to 1970;  
  uint8_t mth;
  uint8_t day;
  uint8_t dow;   // sunday is day 1 
  uint8_t hh; 
  uint8_t mm; 
  uint8_t ss; 
}   DateTime_t;

static DateTime_t dt_tm;

endif

//=================================================================================================
// D I S P L A Y S U P P O R T E S P O N L Y - for now //=================================================================================================

if defined displaySupport

#if (!( (defined SSD1306_Display) || (defined SSD1331_Display) || (defined ST7789_Display) ))
  #error please define a display type in your board variant configuration, or disable displaySupport
#endif

endif

if ((defined ESP32 || defined ESP8266)) && (defined displaySupport)

#if not defined SD_Libs_Loaded    //  by SD block
  #include <SPI.h>                // for SD card and/or Display
#endif  

  // Colour definitions for any colour display
  #define BLACK           0x0000
  #define BLUE            0x001F
  #define RED             0xF800
  #define GREEN           0x07E0
  #define CYAN            0x07FF
  #define MAGENTA         0xF81F
  #define YELLOW          0xFFE0
  #define WHITE           0xFFFF 

//==========================================================

#if (defined ST7789_Display)        // TFT display type    
  #include <TFT_eSPI.h>             // Remember to select the T_Display board in User_Setup_Select.h in TFT_eSPI library
                                    // (H 240 x W 135 in portrait) (H 135 x W 240 in landscape) 
  TFT_eSPI display = TFT_eSPI();
  #if (screenOrientation == 0)      // portrait
    #define screen_height  20       // characters not pixels
    #define screen_width   30       // ?
    #define char_height    12       // pixels      
  #elif (screenOrientation == 1)    // landscape
    #define screen_height   8       // characters not pixels 
    #define screen_width   20  
    #define char_height    16       // pixels x 8 = 128  rem 7           
  #endif 

//==========================================================

#elif (defined SSD1306_Display)    // SSD1306 OLED display     (H 128 x W 64 in portrait)
  #include <Adafruit_SSD1306.h> 
  #define SCREEN_WIDTH 128   // OLED display width, in pixels
  #define SCREEN_HEIGHT 64   // OLED display height, in pixels
  #define screen_height  8   // characters not pixels 
  #define screen_width  21   
  #define char_height    8   // 8 x 8 = 64         
  #ifndef OLED_RESET
    #define OLED_RESET    -1 // Reset pin # (or -1 if sharing Arduino reset pin)
  #endif  
  Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);  

//==========================================================  
#elif (defined SSD1331_Display)    // SSD1331 colour TFT display (H 96 x W 64 in portrait)
  #include <Adafruit_GFX.h>
  #include <Adafruit_SSD1331.h>
  #define screen_height  8   // characters not pixels 
  #define screen_width  16         
  #define char_height   12   // 8 x 12 = 64   
  Adafruit_SSD1331 display = Adafruit_SSD1331(CS, DC, MOSI, SCLK, RST);      
#endif   
//==========================================================

define max_col screen_width+1 // +1 for terminating 0x00

define max_row 32

static const uint16_t threshold = 40;
volatile bool upButton = false;
volatile bool dnButton = false;
volatile bool infoButton = false;

#if (not defined Tup) 
  #define Tup         99
#endif

#if (not defined Tdn) 
  #define Tdn         99
#endif

#if (not defined Pup) 
  #define Tup         99
#endif

#if (not defined Pdn) 
  #define Tdn         99
#endif

typedef enum scroll_set { non = 0, up = 1, down = 2 } scroll_t;
scroll_t up_down = non; 

typedef enum last_row_set { omit_last_row = 0, show_last_row = 1} last_row_t;
last_row_t last_row_action;   

struct row_t {
  char x[max_col];
  };

 row_t ScreenRow[max_row]; 

uint8_t   row = 0;
uint8_t   col = 0;
uint8_t   scroll_row = 0;
uint32_t  scroll_millis =0 ;

endif

//=================================================================================================
// B L U E T O O T H S U P P O R T - E S P 3 2 O n l y //=================================================================================================

if ((defined ESP32) && (defined btBuiltin))

#include "BluetoothSerial.h"
#include "esp_bt.h"
#if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED)
  #error Bluetooth is not enabled! Please run `idf.py menuconfig` in IDF workspace 
#endif

BluetoothSerial SerialBT;

endif

//=================================================================================================
// W I F I S U P P O R T - ESP32 and ES8266 Only //=================================================================================================

uint16_t  TCP_localPort = 5760;
uint16_t  TCP_remotePort = 5760;    
uint16_t  UDP_localPort = 14555;     
uint16_t  UDP_remotePort = 14550;      
bool      FtRemIP = true;
bool      wifiDisconnected = false;
int16_t   wifi_rssi;
uint16_t  wifi_status = 0xfe;   // 0xfe = unused yet
uint8_t   AP_sta_count = 0;
uint8_t   AP_prev_sta_count = 0;

if ( (defined ESP32) || (defined ESP8266) )

if (defined ESP32)

// timer for wifi retry interrupt
hw_timer_t * timer = NULL;
volatile SemaphoreHandle_t wifiTimerSemaphore;
portMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED;

endif

if (defined ESP8266)

uint32_t esp8266_wifi_retry_millis = 0;

endif

volatile bool wifiButton = false;

// Define link variables
struct linkStatus {
  uint32_t    packets_received;
  uint32_t    packets_lost;
  uint32_t    packets_sent;
};
bool          hb_heard_from = false;
uint8_t       hb_system_id = 0;
uint8_t       hb_comp_id = 0;
uint8_t       hb_seq_expected = 0;
uint32_t      hb_last_heartbeat = 0;
linkStatus    link_status;

#if defined ESP32 
  #include <WiFi.h>  // includes UDP class
  #if defined webSupport
    #include <WebServer.h> 
    #include <Update.h> 
    WebServer server(80);

  #endif      
  #include <WiFiAP.h>  
#endif

#if defined ESP8266
  #include <ESP8266WiFi.h>   // Includes AP class
  #if defined webSupport
    #include <ESP8266WebServer.h>    
    ESP8266WebServer server(80);  
    #include <WiFiUdp.h>       
  #endif      
#endif

//==================== W i F i O b j e c t s

#define max_clients    5
uint8_t active_client_idx = 0;   

WiFiClient TCPclient; 

WiFiClient *clients[max_clients] = {NULL};   // pointers to TCP client objects 

WiFiServer TCPserver(TCP_localPort);         // dummy TCP local port(changes on TCPserver.begin() ).

IPAddress UDP_remoteIP(192, 168, 1, 255);    // default to broadcast unless (not defined UDP_Broadcast)               
uint8_t   UDP_remoteIP_B3[max_clients];      // table of last byte of remote UDP client IPs

WiFiUDP UDP;                                 // create UDP object    

IPAddress localIP;                           // tcp and udp
IPAddress TCP_remoteIP(192,168,4,1);         // when we connect to a server in tcp client mode, put the server IP here

endif // end of ESP32 and ESP8266

//=================================================================================================
// S E R I A L //=================================================================================================

if (defined ESP32)

define Log Serial // USB

define mvSerial Serial2 // RXD2 and TXD2

if defined ESP32_SoftwareSerial

#include <SoftwareSerial.h>
SoftwareSerial frSerial;

else // default HW Serial

#define frSerial          Serial1

endif

elif (defined ESP8266)

define Log Serial1 // D4 TXD1 debug out - no RXD1 !

define mvSerial Serial // RXD0 and TXD0

include

SoftwareSerial frSerial;

endif

if (defined TEENSY3X) // Teensy 3.1

define Log Serial // USB

define mvSerial Serial2

if (frPort_Serial == 1)

#define frSerial          Serial1        // F.Port

elif (frPort_Serial == 3)

#define frSerial          Serial3        // F.Port

else

#error frPort_Serial can only be 1 or 3. Please correct.

endif

//=================================================================================================
// D E B U G G I N G O P T I O N S //=================================================================================================

//#define inhibit_SPort // Use me to send debug messages only, out of GPIO1/TX0 on ESP32_Variant 3, DL V3 internal ESP32 //#define Mav_Debug_All //#define Frs_Debug_All //#define Mav_Debug_RingBuff

//#define Debug_Air_Mode //#define Debug_Relay_Mode //#define Mav_List_Params // Use this to test uplink to Flight Controller //#define Mav_Debug_Params //#define Debug_BT
//#define Debug_FC_Down // traffic down from FC to Ring Buffer //#define Debug_FC_Up // traffic up to FC from GCS //#define Debug_GCS_Down // traffic from RB to GCS //#define Debug_GCS_Up // traffic up from GCS to FC //#define Mav_Debug_Servo //#define Frs_Debug_Servo //#define Mav_Debug_Rssi // #109 > #65 > #35 //#define Frs_Debug_Rssi // 0xF101 //#define Mav_Debug_RC
//#define Frs_Debug_RC

//#define Frs_Debug_Params //0x5007 //#define Frs_Debug_APStatus // 0x5001 //#define Mav_Debug_SysStatus // #1 && battery //#define Debug_Batteries // 0x5003 //#define Frs_Debug_Home // 0x5004 //#define Mav_Debug_GPS_Raw // #24 //#define Mav_Debug_GPS_Int // #33 //#define Frs_Debug_LatLon // 0x800 //#define Frs_Debug_VelYaw // 0x5005 //#define Frs_Debug_GPS_status // 0x5002 //#define Mav_Debug_Scaled_IMU //#define Mav_Debug_Raw_IMU //#define Mav_Debug_Hud // #74 //#define Frs_Debug_Hud // 0x50F2 //#define Mav_Debug_Scaled_Pressure //#define Mav_Debug_Attitude // #30 //#define Frs_Debug_AttiRange // 0x5006 //#define Mav_Debug_StatusText // #253
//#define Frs_Debug_StatusText // 0x5000 //#define Mav_Debug_Mission //#define Frs_Debug_Mission
//#define Mav_Debug_System_Time
//#define Decode_Non_Essential_Mav //#define Debug_Baud //#define Debug_Radio_Status
//#define Debug_GCS_Unknown //#define Debug_Param_Request_Read //#define Mav_Show_Unknown_Msgs //#define Mav_Print_All_Msgid //#define Debug_Eeprom //#define Mav_Debug_RPM //#define Debug_SD
//#define MavLite_Debug_Scheduler //#define Debug_WiFi

//#define Debug_Loop_Period

//#define Debug_Mavlite //#define Mav_Debug_Command_Ack //#define Debug_SRAM //#define Debug_Web_Settings

//#define Mav_Debug_FC_Heartbeat

//#define Mav_Debug_GCS_Heartbeat //#define Debug_Our_FC_Heartbeat //#define Debug_Param_Request_Read // #20 //#define Debug_Param_Request_List // #21 //#define Mav_Debug_Params //#define Debug_Mavlite_SPort //#define Debug_SPort // both in and out //#define Debug_SPort_In
//#define Debug_SPort_Out

//#define Frs_Debug_Scheduler // - this debugger affects the performance of the scheduler when activated //#define Frs_Debug_Payload

define Report_Packetloss 2 // F.Port packet loss every n minutes

//#define CRC_Test_Case //#define Debug_CRC //#define Debug_FrPort_Serial_Loop

//#define Debug_FrPort_Stream

//#define Debug_FrPort_Switching

//#define Debug_FPort_Buffer

//#define Frs_Debug_Period

//#define Derive_PWM //#define Debug_PWM_Channels

//#define Support_SBUS_Out

//#define Debug_Read_TCP //#define Debug_Read_UDP //#define Debug_Send_TCP //#define Debug_Send_UDP //#define Debug_Inject_Delay

//=================================================================================================
// C H A N G E L O G //================================================================================================= /*

Change log:

v2.00 2019-06-07 Plus version firmware ported to ESP32 Dev Module V1 successfully - no improvements
v2.01 2019-06-09 Added OLED display support v2.02 2019-05-18 Belatedly include Alex's Rangefinder PR that I missed. v2.03 2019-05-21 Reduce voltage and current display moving average smoothing Empirical correction of mAh consumed as per Markus Greinwald's measurements Change mav heartbeat timeout from 3 to 6 seconds v2.04 2019-05-24 Merge Alex's BT classic PR. Thank you! Remove Aux port as no longer required Tidy #define options
v2.05 2019-06-09 Support 3 possible I/O channels on FC side, and 3 on GCS side. UART serial, BT and WiFi. WiFi AP ssid = 'Mav2Passthru', pw = 'password' for now.
v2.06 2019-06-10 Support added for STA mode and AP mode. Tidied up some lose ends. v2.07 2019-06-16 Initiate WiFi session with push button from GPIO15 momentary to ground. v2.08 2019-06-16 Add SD/TF card support - wip!! Added UTP protocol option v2.09 2019-06-30 WiFi activation push button momentary but one-time. 2019-07-03 Implemented optional TLog input and output via SD card.
v2.10 2019-07-09 For PX4 flight stack only, send HB to FC every 2 seconds
2019-07-10 Radical redesign of F.Port scheduling algorithm. Support SD and WiFi/BT I/O simultaneously v2.11 2109-07-11 Auto determine target board. Publish "Universal" version 2.11. One source, four platforms / boards v2.12 2019-07-12 Add #define PlusVersion, comment out for FlightDeck
v2.13 2019-08-13 UDP now working in Access Point mode v2.14 2019-07-17 PX4 flight stack only - fixed longitude typo if (ap24_lat<0) should be if (ap24_lon<0) v2.15 2019-07-17 Switch to Adafruit_SSD1306 OLED library. 8 lines x 21 chars v2.16 2019-07-18 Increase time burden for each successive Status Text chunk by 5mS v2.17 2019-07-19 Auto detect serial telemetry and baud rate
v2.18 2019-07-21 Tune FrSky packet schduler. Add option. Default is 1x. //Send_status_Text_3_Times v2.19 2019-07-22 Implement 2 tier scheduling. Tier1 gets priority, tier2 (0x5000) only when tier1 empty v2.20 2019-07-26 Release candidate. Send HB back to FC for APM also, not just PX4. Streamline library #includes.

undef troublesome F function.

v2.21 2019-07-26 Trap attempt to do GCS I/O on ESP32 or Blue Pill - no Serial3 UART. 2019-07-29 Implement system health status-text messages as per Alex's request.
v2.22 2019-08-10 Make sensor health messages optional for now. Fix end-of-sensor message text detection. v2.23 2019-08-21 Add support for RFD900x long-range telemetry modems, specifically RSSI
v2.24 2019-08-23 Workaround for Esp32 library "wifi: Set status to INIT" bug Improve responsiveness to baud detect with no telemetry present.
v2.25 2019-08-28 Version for RFD900x. Bug fixes on rssi. Include #define StartWiFi option to override startWiFi Pin.
v2.26 2019-08-31 Improved GCS to FC debugging. Make baud rate sensing optional. v2.27 2019-09-13 Small additions to test LILYGO®_TTGO_MINI32_ESP32-WROVER_B v2.28 2019-09-17 Localise pin definitions in one place to define ESP32 variants more easily v2.29 2019-09-24 Use #if (TargetBoard == 3) to define soft pins for mvSerial v2.30 2019-09-26 Don't push #5007 into F.Port table from #147. Push from #1 only. v2.31 2019-09-30 Configurable declarations moved to config.h file v2.32 2019-10-08 Source line corrupted in v2.17 affecting Relay Mode, fixed. Thank you burtgree! v2.33 2019-10-09 Don't invert ESP32 FPortin Relay Mode. Use commercial inverter/converter. Tidy up config.h file. Send #5007 3 times at startup and then every 50th heartbeat. v2.34 2019-10-15 Move typedef struct DateTime_t to global scope in line with VS Code/Platform IO.
v2.35 2019-10-18 Add pre-defined ESP32 board variants. TargetBoard >> Target_Board typo Paul Atherton. v2.36 2019-10-30 Optimise WiFi amd BT read/send as per excellent mavesp8266 bridge by Tridge. Add support for ESP8266. v2.41 2019-11-08 Fix STA mode no-connect loop 2019-11-08 Make AutoAP optional
v2.42 2019-11-09 Add support for GCS-side simultaneous WiFi and BT telemetry option v2.43 2019-11-10 Tidy up WiFi Setup for auto AP failover. Support for 2 new ESP32 board variants, complements of Noircogi.
2019-11-11 Implement Auto RSSI selection(Order of precedence #109, then #65 then #35) 2019-11-11 Support AutoBaud up to 921600. v2.44 2019-11-12 Include Target0815 recommended reset after STA fail to connect.
v2.45 2019-11-12 Augment mission debugging for athertop.
2019-11-13 Move #endif outside } in SetupWiFi
v2.46 2019-11-16 A few cosmetic improvements
v2.47 2019-12-23 For ESP32 Dev Module, use pin 27 for F.Port tx, because boot fails if pin 12 pulled high

v2.48 2019-12-17 Option for SiK #109, if RSSI is already in %, i.e. not relative to 2.54 Added #define Rssi_In_Percent 2019-12-31 Changes for PlatformIO compatibility 2020-01-02 ESP32 Dev Board change again for stability - F.Port pins rx=13, tx=14 v2.49 2020-01-07 Move baud, ssid and BT settings to top of config.h for convenience v2.50 2020-01-12 AutoAP: Activate udp broadcast on AP dhcp allocated IP subnet. Eliminate annoying periodic "Stabilized Flight Mode" announcements. Further localise options in to logical groups.
2020-01-13 Revert max rssi to 254. 255 is invalid/unknown in ardupilot
v2.51 2020-01-18 Make default rssi 69% for SiK radios, like RFD900x. PR by Hasi123
v2.52 2020-01-21 Support web OTA. Rehash STA to AP failover using reboot - now stable. v2.53 2020-01-25 ESP8266 (Node MFU 12F) debugged, tested. ESP8266 OTA included. v2.54 2020-01-27 ESP8266 inverted single-wire enabled, like Teensy. No hardware invert/convert required.
v2.54a 2020-01-28 Setup OTA password in config.h
v2.54b 2020-01-30 Correct irritating warnings
v2.55 2020-02-04 Add RFD900X TXMOD ESP8266 variant
v2.56.1 2020-02-26 Add web interface to allow settings/parameter changes v2.56.2 2020-02-27 STM32F103C / Blue Pill / Maple Mini deprecated. Tidy up Teensy3.x warnings. v2.56.3 2020-03-03 Minor ESP8266 variants logic check v2.56.4 2020-03-04 Remove spurious debugging code affecting F.Port Thanks pascale dragos.
v2.56.5 2020-03-09 Reduce rssi timing cycle to 350mS from 700mS. v2.57 2020-03-15 Fix RFD900/TXMOD status LED. SoftwareSerial for ESP32.
v2.58 2020-03-17 Option to work around apparent bug in Mavlink V2 Library. Tolerate crcout errors. This fixes failure to parse certain mavlink messages, including #226 RPM Needs more investigation. Use with caution! v2.58.1 2020-03-18 Improve user options on hw/sw serial v2.58.2 2020-03-20 Stable. Lots of nice, small tweaks. Exp. code for inherent 1-wire on ESP v2.58.3 2020-03-22 Deactivate experimental crcout error tolerance for general use. My bad. v2.58.4 2020-03-25 RPM fixed (library path). v2.58.5 2020-03-28 Add //#define sdBuiltin to optionally remove all SD support at compile time. This is especially useful for PlatformIO on ESP8266.
v2.59.1 2020-04-02 Support for QLRS (rssi) by giacomo892. Style and function improvements to web interface.
v2.59.2 2020-04-21 Some structural tidying up.
v2.59.3 Main loop minor fix.
wifiBuiltin and btBuiltim macros added.
2020-04-28 GetBaud(mav_rxPin) fix. Thanks has1123. v2.59.4 2020-05-08 Broadcast on the subnet we attached to. Can't assume 192.168.1/24 :) Patch by Stefan Arbes.
v2.59.5 2020-05-11 Fixed TCP_LocalPort initialisation v2.59.6 2020-05-20 Improve WiFi start button debounce . Add Debug_SRAM.
v2.60.0 2020-05-23 Deactivate BT to reclaim critical SRAM during web support. Patch by Scott P. Reboot on Cancel web settings page v2.60.1 2020-05-24 Schedule fr 0x5007 params individually, fixes periodic flight-mode announcement. Schedule fr 0xf101 rssi when mavlink #109, #65 or #35 arrives. Avg < 200 mS. Fixes periodic "telemetry lost".
v2.60.2 2020-05-25 Added RSSI_Pacemaker option to help prevent "telemetry lost". Default period 200 mS.
v2.60.3 2020-05-25 Added new variant for ESP8266 - ESP-12F WEMOS D1 Mini
2020-05-30 Added some support for PitLab flight stack v2.60.4 2020-06-01 Half-duplex MavLite on F.Port - phase 1
v2.61.0 2020-06-29 Important patch of WiFi TCP client for graceful close/reopen on loss of signal Half-duplex MavLite on F.Port - phase 2 - work in progress! Filter out heartbeats from Onboard_Controllers(18)

define PitLab to force frame_type = 1

                Monitor GCS heartbeat

v2.61.1 Change references to pin 12 for all ESP32 variants
Mavlink phase 2 working
2020-07-15 FPortClass established
v2.61.2 2020-07-24 Web settings - value for st/ap failover not picked up. Should be STA/AP not STA_AP. Display WiFi Mode at startup. Emphasise EEPROM settings reset for clarity. v2.61.3 2020-07-28 Add variant for LILYGO® TTGO T-Display ESP32 1.14 Inch Colour LCD v2.61.4 2020-07-30 Added display up/down scrolling on touch pins for ESP32
v2.61.5 2020-07-30 Added display up/down scrolling pins for ESP8266 v2.61.6 hasi123 patch for SiK radio rssi restored. It endures! Fix LogScreenPrint() of number.
2020-08-05 Add #define UDP_Broadcast as default to support > 1 UDP concurrent sessions v2.61.7 2020-08-10 Support board buttons on TTGO T-Display ESP32 for display up/down scrolling More bi-directional mavlite. v2.61.8 2020-08-10 F.Port telemetry to SD card option.
v2.61.9 2020-09-04 Tidy up serial downlink capability. Add outgoing TCP client capability. Improve web setup data vetting. Show last line properly & reverse scroll buttons on ST7789. Ignore heartbeats from or Gremsy Gimbal(26).
v2.62.0 2020-09-08 Add support for multiple incoming tcp clients (GCSs, trackers..) Always broadcast UDP on the /24 subnet. v2.62.1 2020-09-10 Restore #defined UDP_broadcast option :)
v2.62.2 2020-09-15 Add support for multi targeted UDP clients. Flush UDP buffer after send. Always broadcast heartbeat for UDP.
v2.62.3 2020-09-17 AP channel change fixed. Display remote IP fixed. v2.62.4 2020-09-16 Fix BT slave name truncated by 1 chr Improve when BT disabled to free up SRAM for web support, also #undef btBuiltin
v2.62.8 2020-10-07 Improve display scrolling 2020-10-12 Tested WiFi TCP output to AntTracker v2.15
v2.62.9 2020-10-14 Add support for LILYGO® TTGO T2 SD TFT Colour v2.63.0 2020-10-26 Add support for FrSky ISRM/ACCESS F.Port receivers (like Archer)
v2.63.1 2020-10-29 Add option "no FrSky port support". Fw becomes "Mavlink Switch". Restore Bluetooth support in web interface.
v2.63.2 2020-11-02 Add switchable flight info page on display
2020-10-31 For mark home include GPS 3D Fix
v2.63.3 2020-11-04 Enumerate info page pins for more variants
2020-11-11 Info page working for all supported display types
*/`

zs6buj / mav2pt

Compile error when compiling v2.63.4 for dragonlink. #41

define ESP32_Variant 3 // Dragonlink V3 slim with internal ESP32 - contributed by Noircogi

error "Unsupported board type!"

error "Unsupported board type!"

define FrSky_Port_Type 1 // S.Port

define Device_sysid 251 // Our Mavlink Identity - APM FC is 1, Mission Planner is 255, QGC default is 0

define Device_compid MAV_COMP_ID_PERIPHERAL // 158 Generic autopilot peripheral - APM FC is 1, MP is 190, QGC is https://mavlink.io/en/messages/common.html

define webSupport // ESP only. Enable wifi web support, including OTA firmware updating. Browse to IP.

define webPassword "changeme!" // Web password

define mvBaud 57600 // Mavlink to/from the flight controller - max 921600 - must match FC or long range radio

define PlusVersion // Added support for 0x5009 Mission WPs, 0x50F1 Servo_Channels, 0x50F2 VFR_Hud

define Ground_Mode // Translator between Taranis et al and LRS transceiver (like Dragonlink, ULRS, RFD900...)

define FC_Mavlink_IO 0 // Serial Port (default)

define GCS_Mavlink_IO 3 // WiFi AND Bluetooth simultaneously. DON'T DO THIS UNLESS YOU NEED IT. SRAM is scarce! - ESP32 only

ifndef GCS_Mavlink_IO

define GCS_Mavlink_IO 9 // NONE (default)

endif

define ESP32_Variant 3 // Dragonlink V3 slim with internal ESP32 - contributed by Noircogi

define ESP8266_Variant 2 // ESP-12E, ESP-F barebones boards. RFD900X TX-MOD, QLRS et al - use Generic ESP8266 on IDE

define BT_Mode 2 // Slave Mode - passive, advertise our hostname & wait for master to connect to us

define BT_ConnectToSlave "Crossfire 0277" // Example

define Start_WiFi // Start WiFi at startup, override startWiFi pin

define HostName "MavToPass" // This translator's host name

define APssid "MavToPassthru" // The AP SSID that we advertise ====>

define APpw "password" // Change me! Must be >= 8 chars

define APchannel 9 // The wifi channel to use for our AP

define STAssid "OmegaOffice" // Target AP to connect to (in STA mode) <====

define STApw "Navara@98" // Target AP password (in STA mode). Must be >= 8 chars

define WiFi_Mode 3 // (STA>AP) STA failover to AP

define WiFi_Protocol 2 // UDP

define Rssi_Pacemaker 200 // mS. RSSI 0xF101 frame sent with this period regardless of rate of RSSI arrival

define RSSI_Override 70 // Only if (RSSI == 0) force it to value, but only sent when Mavlink good.)

define Battery_mAh_Source 3 // Define battery mAh in the LUA script on the Taranis/Horus - Recommended

if defined (MK20DX128) || defined(MK20DX256)

define TEENSY3X

elif defined ESP32

define Target_Board 3 // Espressif ESP32 Dev Module

elif defined ESP8266

define Target_Board 4 // Espressif ESP8266

else

error "Unsupported board type!"

endif

if defined PlusVersion

define Request_Mission_Count_From_FC // Needed for yaapu's mission/waypoint script

endif

if (not defined ESP32) && (not defined ESP8266)

if defined webSupport

endif

endif

if defined ESP32

include

include

include <driver/uart.h> // In Arduino ESP32 install repo

endif

if (defined ESP32) || (defined ESP8266) // ESP32 or ESP8266 (UART0, UART1, and UART2)

endif

if (defined TEENSY3X)

endif

ifndef Battery_mAh_Source

endif

if (defined TEENSY3X)

endif

if (defined ESP8266) && ((GCS_Mavlink_IO == 1) || (GCS_Mavlink_IO == 3)) // Can't do BT on 8266

endif

if (FC_Mavlink_IO == 1) || (GCS_Mavlink_IO == 1) || (GCS_Mavlink_IO == 3)

endif

ifndef FC_Mavlink_IO

endif

if (defined ESP32)

endif

if (defined ESP32)

endif

if (defined ESP32)

endif

if (defined ESP8266)

endif

if ((FrSky_Port_Type == 0) && (defined TEENSY3X) )

error Are you sure you want no FrSky port support on this Teensy 3.x?

endif