Add TI-Nspire PTT Exit command (fixme: better ack/reset)

adriweb · Mar 12, 2018 · 861a3f0 · 861a3f0
1 parent 1e99353
commit 861a3f0
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Showing 2 changed files with 26 additions and 1 deletion.
diff --git a/index.html b/index.html
@@ -49,7 +49,7 @@ <h4 class="card-header">calc name</h4>
                 <button class="btn btn-primary btn-sm" data-action="sendFile" disabled><i class="fa fa-upload" aria-hidden="true"></i> Send file...</button>
                 <button class="btn btn-primary btn-sm" data-action="sendKey" disabled><i class="fa fa-keyboard-o" aria-hidden="true"></i> Send key...</button>
                 <button class="btn btn-primary btn-sm" data-action="dumpRom" disabled><i class="fa fa-microchip" aria-hidden="true"></i> Dump ROM</button>
-                <button class="btn btn-primary btn-sm" data-action="exitPTT" disabled><i class="fa fa-graduation-cap" aria-hidden="true"></i> Exit PTT</button>
+                <button class="btn btn-primary btn-sm" data-action="exitPTT"><i class="fa fa-graduation-cap" aria-hidden="true"></i> Exit PTT</button>
             </div>
             <hr>
             <p class="card-text"><b>USB raw frames log</b>:

diff --git a/webusbti.js b/webusbti.js
@@ -112,6 +112,9 @@ function findOrCreateDevice(rawDevice)
                 case 'ready':
                     $btn.on('click', () => { device.readySequence() });
                     break;
+                case 'exitPTT':
+                    $btn.on('click', () => { device.exitPTT() });
+                    break;
             }
         });
 
@@ -205,6 +208,28 @@ function findOrCreateDevice(rawDevice)
         .then(() => this.disconnect());
     };
 
+    webusb.Device.prototype.exitPTT = function ()
+    {
+        this.connect().then(async () =>
+        {
+            // array of: [ hexStr, readCountAfter ]
+            const seq = [
+                [ "54fd64004003640140031343040001fb6401ff00",             0 ], // addr assign
+                [ "54fd640080016401409031ab0a00015200000004010000000000", 1 ], // remote mgmt, exit ptt
+                [ "54fd640080016401409031ab0a00015200000004010000000000", 1 ], // twice because invalid seq first
+                [ "54fd640080016401409027230a0001c000000006010000000000", 1 ]  // reset (fixme, probably bad seq/sum)
+            ];
+            for (const frame of seq)
+            {
+                await this.transferOut(hexStrToArrayBuffer(frame[0]));
+                for (let i=0; i<frame[1]; i++) {
+                    await this.transferIn().then(this.responseHandler.bind(this));
+                }
+            }
+        })
+        .then(() => this.disconnect());
+    };
+
 })();