Implemented regular CB support + the "robust approach" recommended by TF

shard.yml

@@ -1,14 +1,18 @@
 name: tinkerforge
 description: |
   Crystal bindings and easy-to-use wrapper classes for TinkerForge components.
-version: 0.1.0
+version: 0.2.0
 authors:
   - mathalaxy <[email protected]>
 crystal: 0.29.0
 license: MIT
 
+development_dependencies:
+  crsfml-gui:
+    path: /home/felix/Programme/mathalaxy/crsfml-gui
+
 repository: https://github.com/mathalaxy/tinkerforge
 documentation: https://mathalaxy.github.io/tinkerforge/
 
-# scripts:
-#   postinstall: mkdir -p dl/source obj && cd dl && curl -o tf.zip "https://download.tinkerforge.com/bindings/c/tinkerforge_c_bindings_2_1_27.zip" && unzip -uq tf.zip source/* && cd source && make && cd ../.. && cp dl/source/*.o obj
+scripts:
+  postinstall: mkdir -p dl/source obj && cd dl && curl -o tf.zip "https://download.tinkerforge.com/bindings/c/tinkerforge_c_bindings_2_1_27.zip" && unzip -uq tf.zip source/* && cd source && make && cd ../.. && cp dl/source/*.o obj

src/bindings/bricklets/rotary_poti.cr

@@ -28,4 +28,21 @@ lib LibTF
     rotary_poti : RotaryPoti*,
     ret_position : Int16*
   ) : LibC::Int
+
+	fun rotary_poti_set_position_callback_period(
+		rotary_poti : RotaryPoti*,
+		period : UInt32
+	) : LibC::Int
+
+	fun rotary_poti_register_callback(
+		rotary_poti : RotaryPoti*,
+		callback_id : Int16,
+		function : Void*,
+		user_data : Void*
+	) : Void
+
+	ROTARY_POTI_CALLBACK_POSITION 						= 13
+	ROTARY_POTI_CALLBACK_ANALOG_VALUE 				= 14
+	ROTARY_POTI_CALLBACK_POSITION_REACHED 		= 15
+	ROTARY_POTI_CALLBACK_ANALOG_VALUE_REACHED = 16
 end

src/bindings/bricks/silent_stepper.cr

@@ -56,6 +56,12 @@ lib LibTF
 		interpolation : LibC::Int
 	) : LibC::Int
 
+	fun silent_stepper_get_step_configuration(
+		silent_stepper : SilentStepper*,
+		ret_step_resolution : UInt8*,
+		ret_interpolation : LibC::Int*
+	) : LibC::Int
+
 	fun silent_stepper_set_speed_ramping(
 		silent_stepper : SilentStepper*,
 		acceleration : UInt16,

src/bindings/ip_connection.cr

@@ -133,4 +133,25 @@ lib LibTF
 	IPCON_CALLBACK_CONNECTED 		= 0
 	IPCON_CALLBACK_DISCONNECTED = 1
 	IPCON_CALLBACK_ENUMERATE 		= 253
+
+	IPCON_ENUMERATION_TYPE_AVAILABLE 		= 0
+	IPCON_ENUMERATION_TYPE_CONNECTED 		= 1
+	IPCON_ENUMERATION_TYPE_DISCONNECTED = 2
+
+  E_OK = 0
+  E_TIMEOUT = -1
+  E_NO_STREAM_SOCKET = -2
+  E_HOSTNAME_INVALID = -3
+  E_NO_CONNECT = -4
+  E_NO_THREAD = -5
+  E_NOT_ADDED = -6 # not used anymore
+  E_ALREADY_CONNECTED = -7
+  E_NOT_CONNECTED = -8
+  E_INVALID_PARAMETER = -9
+  E_NOT_SUPPORTED = -10
+  E_UNKNOWN_ERROR_CODE = -11
+  E_STREAM_OUT_OF_SYNC = -12
+  E_INVALID_UID = -13
+  E_NON_ASCII_CHAR_IN_SECRET = -14
+  E_WRONG_DEVICE_TYPE = -15
 end