From b61bd5bf31e7a442a846513bc0b7cb4057ff1d3d Mon Sep 17 00:00:00 2001
From: elafargue <edouard@lafargue.name>
Date: Sun, 8 May 2011 00:57:59 +0200
Subject: [PATCH] Start of Uploader plugin parsing of packaged firmware. work
 in progress, not fully working yet.

---
 .../src/plugins/uploader/devicewidget.cpp     | 43 +++++++++++++++++++
 .../src/plugins/uploader/devicewidget.h       |  2 +
 .../src/plugins/uploader/devicewidget.ui      | 36 +++++++++++-----
 3 files changed, 70 insertions(+), 11 deletions(-)

diff --git a/ground/openpilotgcs/src/plugins/uploader/devicewidget.cpp b/ground/openpilotgcs/src/plugins/uploader/devicewidget.cpp
index c68ae4a0e..79619c9cf 100644
--- a/ground/openpilotgcs/src/plugins/uploader/devicewidget.cpp
+++ b/ground/openpilotgcs/src/plugins/uploader/devicewidget.cpp
@@ -199,6 +199,49 @@ void deviceWidget::uploadFirmware()
         return;
     }
 
+    // TODO : parse the firmware last 100 bytes and see whether it is
+    // packaged:
+    QFile file(filename);
+    if (!file.open(QIODevice::ReadOnly)) {
+        status("Can't open file", STATUSICON_FAIL);
+        return;
+    }
+
+    QByteArray arr = file.readAll();
+    QByteArray desc = arr.right(100);
+    if (desc.startsWith("OpFw")) {
+        // This looks like a binary with a description at the end
+        /*
+        #  4 bytes: header: "OpFw"
+        #  4 bytes: GIT commit tag (short version of SHA1)
+        #  4 bytes: Unix timestamp of compile time
+        #  2 bytes: target platform. Should follow same rule as BOARD_TYPE and BOARD_REVISION in board define files.
+        #  26 bytes: commit tag if it is there, otherwise "Unreleased". Zero-padded
+        #   ---- 40 bytes limit ---
+        #  20 bytes: SHA1 sum of the firmware.
+        #  40 bytes: free for now.
+        */
+        // I don't want to use structs, ok ?
+        QByteArray gitCommitTag = desc.mid(4,4);
+        quint32 buildDate = desc.at(8)&0xFF;
+        for (int i=1;i<4;i++) {
+            buildDate = buildDate<<8;
+            buildDate += desc.at(8+i) & 0xFF;
+        }
+
+        myDevice->buildDate->setText(QDateTime::fromTime_t(buildDate).toString());
+        QByteArray targetPlatform = desc.mid(12,2);
+        // TODO: check platform compatibility
+        QString dscText = QString(desc.mid(14,26));
+        myDevice->description->setText(dscText);
+
+        return;
+
+    } else {
+        // TODO : tell the user that the firmware is not packaged.
+    }
+
+
     status("Starting firmware upload", STATUSICON_RUNNING);
     // We don't know which device was used previously, so we
     // are cautious and reenter DFU for this deviceID:
diff --git a/ground/openpilotgcs/src/plugins/uploader/devicewidget.h b/ground/openpilotgcs/src/plugins/uploader/devicewidget.h
index 16c4f7f93..c57ce7548 100644
--- a/ground/openpilotgcs/src/plugins/uploader/devicewidget.h
+++ b/ground/openpilotgcs/src/plugins/uploader/devicewidget.h
@@ -33,6 +33,8 @@
 #include "op_dfu.h"
 #include <QWidget>
 #include <QFileDialog>
+#include <QErrorMessage>
+#include <QByteArray>
 #include <QtSvg/QGraphicsSvgItem>
 #include <QtSvg/QSvgRenderer>
 
diff --git a/ground/openpilotgcs/src/plugins/uploader/devicewidget.ui b/ground/openpilotgcs/src/plugins/uploader/devicewidget.ui
index 5007ed0b9..49a152e96 100644
--- a/ground/openpilotgcs/src/plugins/uploader/devicewidget.ui
+++ b/ground/openpilotgcs/src/plugins/uploader/devicewidget.ui
@@ -19,28 +19,28 @@
      <item row="2" column="0" colspan="3">
       <widget class="QLineEdit" name="description"/>
      </item>
-     <item row="3" column="0">
+     <item row="4" column="0">
       <widget class="QLabel" name="deviceID">
        <property name="text">
         <string>DeviceID</string>
        </property>
       </widget>
      </item>
-     <item row="7" column="0" colspan="2">
+     <item row="8" column="0" colspan="2">
       <widget class="QProgressBar" name="progressBar">
        <property name="value">
         <number>0</number>
        </property>
       </widget>
      </item>
-     <item row="3" column="1">
+     <item row="4" column="1">
       <widget class="QLabel" name="deviceACL">
        <property name="text">
         <string>ReadWrite</string>
        </property>
       </widget>
      </item>
-     <item row="3" column="2" rowspan="2">
+     <item row="3" column="2" rowspan="3">
       <widget class="QGraphicsView" name="devicePicture">
        <property name="maximumSize">
         <size>
@@ -56,7 +56,7 @@
        </property>
       </widget>
      </item>
-     <item row="5" column="2">
+     <item row="6" column="2">
       <widget class="QPushButton" name="verifyButton">
        <property name="enabled">
         <bool>false</bool>
@@ -66,7 +66,7 @@
        </property>
       </widget>
      </item>
-     <item row="6" column="2">
+     <item row="7" column="2">
       <widget class="QPushButton" name="updateButton">
        <property name="toolTip">
         <string>Update the firmware on this board.</string>
@@ -76,7 +76,7 @@
        </property>
       </widget>
      </item>
-     <item row="7" column="2">
+     <item row="8" column="2">
       <widget class="QPushButton" name="retrieveButton">
        <property name="toolTip">
         <string>Download the current board firmware to your computer</string>
@@ -86,28 +86,28 @@
        </property>
       </widget>
      </item>
-     <item row="4" column="1">
+     <item row="5" column="1">
       <widget class="QLabel" name="BLVersion">
        <property name="text">
         <string>BootLoaderVersion</string>
        </property>
       </widget>
      </item>
-     <item row="4" column="0">
+     <item row="5" column="0">
       <widget class="QLabel" name="fwCRC">
        <property name="text">
         <string>fwCRC</string>
        </property>
       </widget>
      </item>
-     <item row="5" column="1">
+     <item row="6" column="1">
       <widget class="QLabel" name="maxCodeSize">
        <property name="text">
         <string>MaxCodeSize</string>
        </property>
       </widget>
      </item>
-     <item row="6" column="0" colspan="2">
+     <item row="7" column="0" colspan="2">
       <layout class="QHBoxLayout" name="horizontalLayout">
        <item>
         <widget class="QLabel" name="statusIcon">
@@ -137,6 +137,20 @@
        </item>
       </layout>
      </item>
+     <item row="6" column="0">
+      <widget class="QLabel" name="buildDate">
+       <property name="text">
+        <string>Compile Date</string>
+       </property>
+      </widget>
+     </item>
+     <item row="3" column="0" colspan="2">
+      <widget class="QLabel" name="commitTag">
+       <property name="text">
+        <string>Commit tag:</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
   </layout>