mpf: Update API to .dev.55.

Author: freezy

README.md

@@ -40,7 +40,7 @@ Or, if you already have it:
 
 `pip install mpf mpf-mc --pre --upgrade`
 
-After that, `mpf --version` should return at least **MPF v0.55.0-dev.12**.
+After that, `mpf --version` should return at least **MPF v0.55.0-dev.37**.
 
 ## Usage
 

VisualPinball.Engine.Mpf.Test/Program.cs

@@ -69,6 +69,9 @@ public static async Task Main(string[] args)
 			mpfApi.Client.OnFadeLight += (_, request) => {
 				Console.WriteLine($"[MPF] light fades ({request.CommonFadeMs}ms):");
 			};
+			mpfApi.Client.OnDmdFrame += (_, request) => {
+				Console.WriteLine($"[MPF] new DMD frame!");
+			};
 
 			var descr = mpfApi.GetMachineDescription();
 			Console.WriteLine($"Description: {descr} in {s.ElapsedMilliseconds}ms");

VisualPinball.Engine.Mpf/MpfClient.cs

@@ -30,6 +30,7 @@ public class MpfClient
 		public event EventHandler<DisableCoilRequest> OnDisableCoil;
 		public event EventHandler<ConfigureHardwareRuleRequest> OnConfigureHardwareRule;
 		public event EventHandler<RemoveHardwareRuleRequest> OnRemoveHardwareRule;
+		public event EventHandler<SetDmdFrameRequest> OnDmdFrame;
 
 		private Channel _channel;
 		private MpfHardwareService.MpfHardwareServiceClient _client;
@@ -96,6 +97,9 @@ private async void ReceiveCommands()
 					case Commands.CommandOneofCase.RemoveHardwareRule:
 						OnRemoveHardwareRule?.Invoke(this, commands.RemoveHardwareRule);
 						break;
+					case Commands.CommandOneofCase.DmdFrameRequest:
+						OnDmdFrame?.Invoke(this, commands.DmdFrameRequest);
+						break;
 					default:
 						throw new ArgumentOutOfRangeException();
 				}

VisualPinball.Engine.Mpf/protos/platform.proto

@@ -34,10 +34,23 @@ message LightDescription {
     string hardware_channel_color = 3;
 }
 
+message DmdDescription {
+    enum ColorMapping {
+        BW = 0;
+        RGB = 1;
+    }
+
+    string name = 1;
+    ColorMapping color_mapping = 2;
+    uint32 width = 3;
+    uint32 height = 4;
+}
+
 message MachineDescription {
     repeated SwitchDescription switches = 1;
     repeated CoilDescription coils = 2;
     repeated LightDescription lights = 3;
+    repeated DmdDescription dmds = 4;
 }
 
 // Platform streams switch changes to MPF
@@ -47,6 +60,12 @@ message SwitchChanges {
     uint64 change_time = 3;
 }
 
+message SetDmdFrameRequest {
+    string name = 1;
+    bytes frame = 2;
+    float brightness = 3;
+}
+
 message Commands {
     oneof command {
         FadeLightRequest fade_light = 1;
@@ -55,6 +74,7 @@ message Commands {
         DisableCoilRequest disable_coil = 4;
         ConfigureHardwareRuleRequest configure_hardware_rule = 5;
         RemoveHardwareRuleRequest remove_hardware_rule = 6;
+        SetDmdFrameRequest dmd_frame_request = 7;
     }
 }