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agents/ac-infinity/src/ac-client.js

@@ -276,8 +276,15 @@ export class ACInfinityClient {
             // Constrain level 0-10
             const safeLevel = Math.max(0, Math.min(10, Math.round(level)));
 
-            // Mode 1 = ON (Manual), 0 = OFF
-            const mode = safeLevel === 0 ? 0 : 1;
+            // AtType Constants from reverse engineering
+            const AtType = {
+                OFF: 1,
+                ON: 2,
+                AUTO: 3
+            };
+
+            // Mode 2 = ON (Manual), 1 = OFF
+            const mode = safeLevel === 0 ? AtType.OFF : AtType.ON;
 
             // Merge with existing settings
             // We need to send back mostly specific keys. 
@@ -293,7 +300,11 @@ export class ACInfinityClient {
 
             // Add mode/speak
             params.append('mode', mode.toString());
-            params.append('speak', safeLevel.toString());
+
+            // NOTE: In Mode 1 (OFF), 'speak' sets the Minimum Speed (usually 0).
+            //       In Mode 2 (ON), 'speak' sets the Maximum/Target Speed.
+            const speakValue = mode === AtType.OFF ? 0 : safeLevel;
+            params.append('speak', speakValue.toString());
 
             // Copy other relevant fields from settings if they exist to maintain state
             // Common fields seen in other implementations: 
@@ -331,7 +342,7 @@ export class ACInfinityClient {
                 throw new ACInfinityClientError(`Set mode failed: ${JSON.stringify(data)}`);
             }
 
-            console.log(`[AC] Set device ${devId} port ${port} to level ${safeLevel} (mode ${mode})`);
+            console.log(`[AC] Set device ${devId} port ${port} to level ${safeLevel} (mode ${mode}: ${mode === 1 ? 'OFF' : 'ON'})`);
             return true;
         } catch (error) {
             console.error('[AC] Error setting device port:', error);