Handle Emulator Notification: {"nuttxemu":{"gpio29":1}}

lupyuen · Feb 12, 2024 · 2cadf80 · 2cadf80
1 parent 6d11fa6
commit 2cadf80
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Showing 4 changed files with 55 additions and 17 deletions.
diff --git a/docs/quickjs/index.html b/docs/quickjs/index.html
@@ -1,23 +1,31 @@
-
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <html>
 <head>
     <title>JSLinux</title>
     <link href="style.css" type="text/css" rel="stylesheet"/>
 </head>
 <body>
-<div id="term_wrap">
-    <div id="term_container">
-    </div>
-    <div id="term_bar">
-      <label>
-       <img title="Upload files" src="images/upload-icon.png"><input type="file" id="files" multiple onchange="on_update_files(this.files)">
-      </label>
-      <progress id="net_progress">
-      </progress>
-    </div>
-</div>
-<script type="text/javascript" src="term.js"></script>
-<script type="text/javascript" src="jslinux.js"></script>
-<div id="copyright"><a href="https://github.com/lupyuen/nuttx-tinyemu">Apache NuttX RTOS on TinyEMU: How it works</a></div>
-<div id="copyright">&copy; 2011-2021 Fabrice Bellard</div>
+  <div id="term_wrap">
+      <div id="term_container">
+      </div>
+      <div id="term_bar">
+        <label>
+        <img title="Upload files" src="images/upload-icon.png"><input type="file" id="files" multiple onchange="on_update_files(this.files)">
+        </label>
+        <progress id="net_progress">
+        </progress>
+      </div>
+  </div>
+  <script type="text/javascript" src="term.js"></script>
+  <script type="text/javascript" src="jslinux.js"></script>
+  <table id="status">
+    <tr>
+      <td>
+        <div id="copyright"><a href="https://github.com/lupyuen/nuttx-tinyemu">Apache NuttX RTOS on TinyEMU: How it works</a></div>
+        <div id="copyright">&copy; 2011-2021 Fabrice Bellard</div>      
+      </td>
+      <td id="gpio29" style="text-align: center; display: none">GPIO29</td>
+    </tr>
+  </table>
+</body>
+</html>
diff --git a/docs/quickjs/riscvemu64-wasm.wasm b/docs/quickjs/riscvemu64-wasm.wasm
diff --git a/docs/quickjs/style.css b/docs/quickjs/style.css
@@ -102,4 +102,16 @@ label {
 #net_progress {
     visibility: hidden;
     width: 80px;
-}
+}
+
+/* NuttX Emulator Status */
+
+.gpio_off {
+    color: black;
+    background-color: transparent;
+}
+
+.gpio_on {
+    color: white;
+    background-color: green;
+}
diff --git a/docs/quickjs/term.js b/docs/quickjs/term.js
@@ -487,6 +487,24 @@ Term.prototype.scroll_disp = function(n)
 
 Term.prototype.write = function(str)
 {
+    //// Begin Test: Handle Emulator Notification: {"nuttxemu":{"gpio29":1}}
+    if (str.indexOf(`{"nuttxemu":`) == 0) {
+        const notify = JSON.parse(str).nuttxemu;  // {gpio29:1}
+        console.log({ notify });
+        const gpio = Object.keys(notify)[0];  // "gpio29"
+        const val = notify[gpio];  // 0 or 1
+        console.log({ gpio, val });
+
+        document.getElementById("status").style.width = document.getElementById("term_wrap").style.width;
+        const gpio_status = document.getElementById(gpio);
+        gpio_status.style.display = "block";
+        gpio_status.className = (val == 0)
+            ? "gpio_off"
+            : "gpio_on";
+        return;
+    }
+    //// End Test
+
     var s, ymin, ymax;
 
     function update(y)