get loupedeck to work with X-Plane

3 files changed, 278 insertions, 49 deletions

diff --git a/index.mjs b/ctrl.mjs
index 193b8cd..bcab1c5 100644..100755
--- a/index.mjs
+++ b/ctrl.mjs
@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 import { registerFont } from 'canvas';
 
 registerFont('./ocr-a-ext.ttf', { family: 'ocr' });
@@ -6,25 +7,48 @@ import { discover } from 'loupedeck'
 
 import { readFile } from 'fs/promises';
 import { parse } from 'yaml'
+import { sendCommand } from './xplane.mjs';
+import { isNumberObject } from 'util/types';
 
 const pages = parse(await readFile("./profile.yaml", "utf8"));
 
+// state of the controller
+let currentPage;
+let pressed = new Set();
+let highlighted = new Set();
+
 // Detects and opens first connected device
 const device = await discover()
 
+const isNumber = (x) => { return !isNaN(x); }
+
 const isObject = (obj) => {
     return obj != null && obj.constructor.name === "Object"
 };
 
+const doAction = (labeled, type) => {
+    if (!isObject(labeled)) {
+        return;
+    }
+    let actionSpec = labeled[type];
+    if (actionSpec === undefined) {
+        return;
+    }
+    if (actionSpec.hasOwnProperty('xplane_cmd')) {
+        sendCommand(actionSpec.xplane_cmd);
+    }
+};
+
 const rectifyLabel = (label) => {
     let text;
-    let font;
+    let font = "22px ocr";
     if (isObject(label)) {
         text = label.text;
-        font = `${label.size}px ocr`;
+        if (label.hasOwnProperty('size')) {
+            font = `${label.size}px ocr`;
+        }
     } else {
         text = label.toString();
-        font = "24px ocr";
     }
     return { text, font }
 }
@@ -95,10 +119,6 @@ const loadPage = (page) => {
     }
 };
 
-let currentPage;
-let pressed = new Set();
-let highlighted = new Set();
-
 // Observe connect events
 device.on('connect', () => {
     console.info('Connection successful!')
@@ -108,12 +128,32 @@ device.on('connect', () => {
 
 // React to button presses
 device.on('down', ({ id }) => {
-    console.info(`switch to page: ${id}`)
-    if (id == 0) {
-        return
+    if (isNumber(id)) {
+        console.info(`switch to page: ${id}`)
+        if (id == 0) {
+            return
+        }
+        currentPage = id;
+        loadPage(pages[currentPage]);
+    } else {
+        const { left, right, keys } = pages[currentPage] || {};
+        if (!left) {
+            return
+        }
+        let pos = {"T": 0, "C": 1, "B": 2}[id.substring(4, 5)];
+        let side = {"L": ['left', left], "R": ['right', right]}[id.substring(5, 6)];
+        let mask = [false, false, false];
+        mask[pos] = true;
+        drawSideKnobs(side[0], side[1], mask);
+        if (!highlighted.has(id)) {
+            highlighted.add(id);
+            setTimeout(() => {
+                drawSideKnobs(side[0], side[1], [false, false, false]);
+                highlighted.delete(id);
+            }, 200);
+        }
+        doAction(side[1][pos], 'pressed');
     }
-    currentPage = id;
-    loadPage(pages[currentPage]);
 })
 
 // React to knob turns
@@ -134,6 +174,7 @@ device.on('rotate', ({ id, delta }) => {
             highlighted.delete(id);
         }, 200);
     }
+    doAction(side[1][pos], delta > 0 ? 'inc' : 'dec');
 })
 
 const clearStaleButton = (touches) => {
@@ -153,7 +194,9 @@ device.on('touchstart', ({ changedTouches, touches }) => {
         return
     }
     pressed.add(target.key);
-    drawKey(target.key, pages[currentPage].keys[target.key], true);
+    const key = pages[currentPage].keys[target.key];
+    drawKey(target.key, key, true);
+    doAction(key, 'pressed');
     //device.vibrate()
 })
 
diff --git a/profile.yaml b/profile.yaml
index a7f3210..07f1e33 100644
--- a/profile.yaml
+++ b/profile.yaml
@@ -3,49 +3,198 @@
 # page 1
 - left:
     # left knob labels
-    - HDG
-    - ALT
-    - CRS
-  right:
-    # right knob labels
+    - text: FMS out
+      size: 20
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_fms_outer_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_fms_outer_down
     - text: FMS in
       size: 20
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_fms_inner_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_fms_inner_down
+    - text: BARO
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_baro_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_baro_down
+  right:
+    # right knob labels
     - text: FMS out
       size: 20
-    - BARO
+      inc:
+        xplane_cmd: sim/GPS/g1000n2_fms_outer_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n2_fms_outer_down
+    - text: FMS in
+      size: 20
+      inc:
+        xplane_cmd: sim/GPS/g1000n2_fms_inner_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n2_fms_inner_down
+    - ''
   keys:
     # 12 touchable keys from left to right, top to bottom
-    - A
-    - B
-    - C
-    - D
-    - E
-    - F
-    - G
-    - H
-    - I
-    - J
-    - K
-    - L
+    - text: -D->
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_direct
+    - text: MENU
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_menu
+    - text: Direct
+      pressed:
+        xplane_cmd: sim/GPS/g1000n2_direct
+    - text: MENU
+      pressed:
+        xplane_cmd: sim/GPS/g1000n2_menu
+    - text: FPL
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_fpl
+    - text: PROC
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_proc
+    - text: FPL
+      pressed:
+        xplane_cmd: sim/GPS/g1000n2_fpl
+    - text: PROC
+      pressed:
+        xplane_cmd: sim/GPS/g1000n2_proc
+    - text: CLR
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_clr
+    - text: ENT
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_ent
+    - text: CLR
+      pressed:
+        xplane_cmd: sim/GPS/g1000n2_clr
+    - text: ENT
+      pressed:
+        xplane_cmd: sim/GPS/g1000n2_ent
+
 # page 2
 - left:
-    - A
-    - B
-    - C
+    - text: HDG
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_hdg_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_hdg_down
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_hdg_sync
+    - text: ALT
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_alt_inner_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_alt_inner_down
+    - text: CRS
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_crs_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_crs_down
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_crs_sync
+
   right:
-    - X
-    - Y
-    - Z
+    - ''
+    - ''
+    - ''
+  keys:
+    - text: AP
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_ap
+    - text: FD
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_fd
+    - text: HDG
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_hdg
+    - text: ALT
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_alt
+    - text: NAV
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_nav
+    - text: VNV
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_vnv
+    - text: APR
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_apr
+    - text: BC
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_bc
+    - text: VS
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_vs
+    - text: UP
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_nose_up
+    - text: FLC
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_flc
+    - text: DN
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_nose_down
+
+# page 3
+- left:
+    - text: COM in
+      size: 20
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_com_inner_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_com_inner_down
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_com12
+    - text: COM out
+      size: 20
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_com_outer_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_com_outer_down
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_com12
+    - ''
+  right:
+    - text: NAV in
+      size: 20
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_nav_inner_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_nav_inner_down
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_nav12
+    - text: NAV out
+      size: 20
+      inc:
+        xplane_cmd: sim/GPS/g1000n1_nav_outer_up
+      dec:
+        xplane_cmd: sim/GPS/g1000n1_nav_outer_down
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_nav12
+    - ''
   keys:
-    - 1
-    - 2
-    - 3
-    - 4
-    - 5
-    - 6
-    - 7
-    - 8
-    - 9
-    - 10
-    - 11
-    - 12
+    - text: <-COM
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_com_ff
+    - text: <-NAV
+      pressed:
+        xplane_cmd: sim/GPS/g1000n1_nav_ff
+    - ''
+    - ''
+    - text: COM1 M
+      size: 16
+    - text: COM1
+      pressed:
+        xplane_cmd: sim/GPS/monitor_audio_com1
+    - ''
+    - ''
+    - text: COM2 M
+      size: 16
+    - text: COM2
+      pressed:
+        xplane_cmd: sim/GPS/monitor_audio_com2
+    - ''
+    - ''
diff --git a/xplane.mjs b/xplane.mjs
new file mode 100644
index 0000000..54190c9
--- /dev/null
+++ b/xplane.mjs
@@ -0,0 +1,37 @@
+import dgram from 'node:dgram';
+
+const xplaneAddr = "localhost";
+const xplanePort = 49000;
+const socket = dgram.createSocket('udp4');
+
+//socket.on('message', (msg, rinfo) => {
+//    console.log(msg, rinfo)
+//});
+//
+//socket.bind(10080);
+
+const subscribeDataRef = async (dataRef) => {
+    //const dataRef = "sim/flightmodel/position/indicated_airspeed";
+    let buffer = Buffer.alloc(4 + 1 + 4 * 2 + 400);
+    let off = buffer.write("RREF");
+    off = buffer.writeUInt8(0, off); // null terminated
+    off = buffer.writeInt32LE(1, off); // xint frequency
+    off = buffer.writeInt32LE(0, off); // xint client
+    off += buffer.write(dataRef, off); // char[400] dataref
+    off = buffer.writeUInt8(0, off); // null terminated
+    console.log(Array.from(buffer));
+    await socket.send(buffer, 0, buffer.length, xplanePort, xplaneAddr);
+}
+
+
+export const sendCommand = async (cmd) => {
+    let buffer = Buffer.alloc(4 + 1 + cmd.length + 1);
+    let off = buffer.write("CMND");
+    off = buffer.writeUInt8(0, off); // null terminated
+    off += buffer.write(cmd, off); // command
+    off = buffer.writeUInt8(0, off); // null terminated
+    console.info(`sent command: ${cmd}`)
+    await socket.send(buffer, 0, buffer.length, xplanePort, xplaneAddr);
+};
+
+//command("sim/GPS/g1000n1_hdg_down");