From 08e0d871753b2d0e0307452ce9fff55e1acd1346 Mon Sep 17 00:00:00 2001
From: Andrey Ivaschenko <andrey.ivashchenko@gmail.com>
Date: Sat, 29 Feb 2020 02:27:06 +0300
Subject: [PATCH] Add AC Control commands 0x193A, 0x193B

---
 CHANGELOG.md              |  1 +
 lib/commands.js           | 93 ++++++++++++++++++++++++++++++++++++++-
 test/fixtures/commands.js | 68 ++++++++++++++++++++++++++++
 3 files changed, 160 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 24c0851..212d80a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
   * Fix channels info for scene status commands (`0x0003`, `0xEFFF`)
   * Fix parsing of "Response Read Sensors Status" (`0x1605`)
   * Add Panel buttons control commands (`0xE012`, `0xE14E`)
+  * Add AC Control commands (`0x193A`, `0x193B`)
 
 **BREAKING:**
 
diff --git a/lib/commands.js b/lib/commands.js
index 27fb03e..5f2d456 100644
--- a/lib/commands.js
+++ b/lib/commands.js
@@ -44,6 +44,86 @@ var date = {
   }
 };
 
+var AC = {
+  modes: ['cooling', 'heating', 'fan', 'auto', 'dry'],
+  speeds: ['auto', 'high', 'medium', 'low'],
+
+  parse: function(buffer) {
+    var mode = buffer.readUInt8(7);
+    var temperature = buffer.readUInt8(11);
+
+    var swing = buffer.readUInt8(12);
+
+    return {
+      ac: buffer.readUInt8(0),
+
+      temperature: {
+        type: buffer.readUInt8(1) ? 'F' : 'C',
+
+        current: buffer.readUInt8(2),
+
+        cooling: buffer.readUInt8(3),
+        heating: buffer.readUInt8(4),
+        auto: buffer.readUInt8(5),
+        dry: buffer.readUInt8(6)
+      },
+
+      current: {
+        mode: AC.modes[mode >> 4],
+        speed: AC.speeds[mode & 15]
+      },
+
+      status: Boolean(buffer.readUInt8(8)),
+
+      setup: {
+        mode: AC.modes[buffer.readUInt8(9)],
+        speed: AC.speeds[buffer.readUInt8(10)],
+        temperature: temperature
+      },
+
+      swing: {
+        enabled: Boolean(swing >> 4),
+        active: Boolean(swing & 15)
+      }
+    };
+  },
+
+  encode: function(data) {
+    var buffer = new Buffer(13);
+
+    var temperature = data.temperature || {};
+    var current = data.current || {};
+    var setup = data.setup || {};
+    var swing = data.swing || {};
+
+    var modes = AC.modes;
+    var speeds = AC.speeds;
+
+    buffer.writeUInt8(data.ac, 0);
+
+    buffer.writeUInt8(temperature.type === 'F' ? 1 : 0, 1);
+    buffer.writeUInt8(temperature.current, 2);
+    buffer.writeUInt8(temperature.cooling, 3);
+    buffer.writeUInt8(temperature.heating, 4);
+    buffer.writeUInt8(temperature.auto, 5);
+    buffer.writeUInt8(temperature.dry, 6);
+
+    buffer.writeUInt8(
+      modes.indexOf(current.mode) << 4 | speeds.indexOf(current.speed), 7);
+
+    buffer.writeUInt8(data.status ? 1 : 0, 8);
+
+    buffer.writeUInt8(modes.indexOf(setup.mode), 9);
+    buffer.writeUInt8(speeds.indexOf(setup.speed), 10);
+    buffer.writeUInt8(setup.temperature, 11);
+
+    buffer.writeUInt8(
+      ((swing.enabled ? 1 : 0) << 4) | (swing.active ? 1 : 0), 12);
+
+    return buffer;
+  }
+};
+
 /*
   Commands as decribed in "Operation Code of HDL Buspro v1.111.pdf"
   from http://hdlautomation.com
@@ -964,10 +1044,19 @@ module.exports = {
   // 0x1939
 
   // 10.1.3 Control AC Status
-  // 0x193A
+  // Documetation is wrong
+  0x193A: {
+    parse: AC.parse,
+    encode: AC.encode,
+
+    response: 0x193B
+  },
 
   // 10.1.4 Response Control AC Status
-  // 0x193B
+  0x193B: {
+    parse: AC.parse,
+    encode: AC.encode
+  },
 
   /* 11.1 Floor Heating Control from DLP */
 
diff --git a/test/fixtures/commands.js b/test/fixtures/commands.js
index 97b84f8..7b76ca0 100644
--- a/test/fixtures/commands.js
+++ b/test/fixtures/commands.js
@@ -412,6 +412,74 @@ module.exports = {
     { payload: new Buffer('0E32', 'hex'), data: { key: 14, value: 50 } },
   ],
 
+  /* 10. AC Control */
+
+  // 10.1.1 Read AC Status
+  // 0x1938
+
+  // 10.1.2 Response Read AC Status
+  // 0x1939
+
+  // 10.1.3 Control AC Status
+  '0x193A': {
+    payload: new Buffer('01001C10131516230101001311', 'hex'),
+    data: {
+      ac: 1,
+      temperature: {
+        type: 'C',
+        current: 28,
+        cooling: 16,
+        heating: 19,
+        auto: 21,
+        dry: 22
+      },
+      current: {
+        mode: 'fan',
+        speed: 'low'
+      },
+      status: true,
+      setup: {
+        mode: 'heating',
+        speed: 'auto',
+        temperature: 19
+      },
+      swing: {
+        enabled: true,
+        active: true
+      }
+    }
+  },
+
+  // 10.1.4 Response Control AC Status
+  '0x193B': {
+    payload: new Buffer('01001C10131516010100001000', 'hex'),
+    data: {
+      ac: 1,
+      temperature: {
+        type: 'C',
+        current: 28,
+        cooling: 16,
+        heating: 19,
+        auto: 21,
+        dry: 22
+      },
+      current: {
+        mode: 'cooling',
+        speed: 'high'
+      },
+      status: true,
+      setup: {
+        mode: 'cooling',
+        speed: 'auto',
+        temperature: 16
+      },
+      swing: {
+        enabled: false,
+        active: false
+      }
+    }
+  },
+
   /* 11.1 Floor Heating Control from DLP */
 
   // 11.1.1 Read Floor Heating Status