From d1f6480d4f17767020b47620d72a66acacceafb2 Mon Sep 17 00:00:00 2001
From: Ivan Mikhaylov <ivan.mikhaylov@siemens.com>
Date: Thu, 7 Jul 2022 14:46:14 -0400
Subject: [PATCH] mraa-gpio-din: add configurable GPIO mode for DIN

GPIO mode wasn't set correctly, it was set from Pinmuxes modes instead
of GPIO. Add way to control GPIO modes on DINs from Node-RED with
possible values from mraa : Strong, Hiz, Pull-down, Pull-up.

Signed-off-by: Ivan Mikhaylov <ivan.mikhaylov@siemens.com>
---
 hardware/intel/mraa-gpio-din.html | 13 ++++++++++++-
 hardware/intel/mraa-gpio-din.js   |  3 ++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/hardware/intel/mraa-gpio-din.html b/hardware/intel/mraa-gpio-din.html
index d49cf23b..9ff64031 100644
--- a/hardware/intel/mraa-gpio-din.html
+++ b/hardware/intel/mraa-gpio-din.html
@@ -7,7 +7,8 @@
         defaults: {
             name: {value:""},
             pin:  {value:"", required: true},
-            interrupt: {value:"", required: true}
+            interrupt: {value:"", required: true},
+            mode: {value:"", required: true}
         },
         inputs:0,
         outputs:1,
@@ -68,6 +69,16 @@
             <option value="19">D19</option>
         </select>
     </div>
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa-level-up"></i> Mode</label>
+        <select type="text" id="node-input-mode" style="width: 250px;">
+            <option value='' disabled selected style='display:none;'>select mode</option>
+            <option value="0">Strong </option>
+            <option value="1">Pull-up </option>
+            <option value="2">Pull-down </option>
+            <option value="3">Hiz </option>
+        </select>
+    </div>
     <div class="form-row">
         <label for="node-input-name"><i class="fa-level-up"></i> Interrupt</label>
         <select type="text" id="node-input-interrupt" style="width: 250px;">
diff --git a/hardware/intel/mraa-gpio-din.js b/hardware/intel/mraa-gpio-din.js
index 7eca35a6..9fc3a126 100644
--- a/hardware/intel/mraa-gpio-din.js
+++ b/hardware/intel/mraa-gpio-din.js
@@ -7,10 +7,11 @@ module.exports = function(RED) {
         RED.nodes.createNode(this,n);
         this.pin = n.pin;
         this.interrupt = n.interrupt;
+        this.mode = n.mode;
         this.x = new m.Gpio(parseInt(this.pin));
         this.board = m.getPlatformName();
         var node = this;
-        node.x.mode(m.PIN_GPIO);
+        node.x.mode(parseInt(this.mode));
         node.x.dir(m.DIR_IN);
         node.x.isr(m.EDGE_BOTH, function() {
             var g = node.x.read();