From 5cf430726849ec1d74b370baf4c73fc280cbdf50 Mon Sep 17 00:00:00 2001
From: Nicolas Bruguier <gandalfn@club-internet.fr>
Date: Tue, 17 Apr 2012 22:59:55 +0200
Subject: [PATCH] Cleanup open TI3410

---
 lib/usb/ti-3410-stream.vala    | 21 ++++++++++++++++-----
 lib/usb/usb-stream.vala        | 12 ++++++++++++
 src/modules/abbott/device.vala | 16 +---------------
 3 files changed, 29 insertions(+), 20 deletions(-)

diff --git a/lib/usb/ti-3410-stream.vala b/lib/usb/ti-3410-stream.vala
index 516afe9..9e25b02 100644
--- a/lib/usb/ti-3410-stream.vala
+++ b/lib/usb/ti-3410-stream.vala
@@ -22,6 +22,12 @@ namespace GlucoseBoard
     public class TI3410Stream : UsbStreamSerial
     {
         // types
+        public enum ConfigurationValue
+        {
+            BOOT = 0x01,
+            ACTIVE = 0x02
+        }
+
         private enum Commands
         {
             GET_VERSION       = 0x01,
@@ -76,6 +82,13 @@ namespace GlucoseBoard
             uint8 mode;
         }
 
+        public enum UARTType
+        {
+            RS232                   = 0x00,
+            RS485_RECEIVER_DISABLED = 0x01,
+            RS485_RECEIVER_ENABLED  = 0x02
+        }
+
         private enum UARTFlags
         {
             ENABLE_RTS_IN           = 0x0001,
@@ -197,6 +210,8 @@ namespace GlucoseBoard
                     }
                 }
 
+                Posix.usleep (100 * 1000);
+
                 // Reset device
                 reset ();
             }
@@ -295,7 +310,7 @@ namespace GlucoseBoard
             m_Config.flags = UARTFlags.ENABLE_MS_INTS | UARTFlags.ENABLE_AUTO_START_DMA;
 
             // use rs232
-            m_Config.mode = 0;
+            m_Config.mode = UARTType.RS232;
 
             // set baud rate
             m_Config.baud_rate = (uint16)(14769230.77 / (inConfig.baud_rate * 16));
@@ -364,10 +379,6 @@ namespace GlucoseBoard
                 // Configure serial communication
                 set_config ();
 
-                // lock end point since open and start port
-                clear_halt_read_ep ();
-                clear_halt_write_ep ();
-
                 // Open port
                 open_port ();
 
diff --git a/lib/usb/usb-stream.vala b/lib/usb/usb-stream.vala
index 517d1c1..f477ac9 100644
--- a/lib/usb/usb-stream.vala
+++ b/lib/usb/usb-stream.vala
@@ -29,6 +29,7 @@ namespace GlucoseBoard
         private uint                 m_Interface;
         private uint                 m_EndPointRead;
         private uint                 m_EndPointWrite;
+        private uint8                m_ConfigurationValue;
         private bool                 m_ReadEndPointAvailable;
         private LibUSB.TransferType  m_ReadTransferType;
         private uint                 m_ReadMaxPacketSize;
@@ -62,6 +63,16 @@ namespace GlucoseBoard
             }
         }
 
+        public uint8 configuration_value {
+            get {
+                return m_ConfigurationValue;
+            }
+            set {
+                if (m_Handle != null)
+                    m_Handle.set_configuration (value);
+            }
+        }
+
         // methods
         /**
          * Create new usb stream for inDevice
@@ -86,6 +97,7 @@ namespace GlucoseBoard
                 bool found_interface = false;
                 m_ReadEndPointAvailable = false;
                 m_WriteEndPointAvailable = false;
+                m_ConfigurationValue = config.bConfigurationValue;
 
                 // Search interface
                 for (int cpt = 0; cpt < config.bNumInterfaces; ++cpt)
diff --git a/src/modules/abbott/device.vala b/src/modules/abbott/device.vala
index 0aa5c06..4400b4f 100644
--- a/src/modules/abbott/device.vala
+++ b/src/modules/abbott/device.vala
@@ -85,7 +85,7 @@ namespace GlucoseBoard.Module.Abbott
                 m_Stream = new TI3410Stream (this, m_UsbInterface, m_UsbEndPointRead, m_UsbEndPointWrite);
 
                 // Read end point is not available load firmware
-                if (!m_Stream.read_ep_available)
+                if (m_Stream.configuration_value == TI3410Stream.ConfigurationValue.BOOT)
                 {
                     load_firmware ();
                 }
@@ -97,20 +97,6 @@ namespace GlucoseBoard.Module.Abbott
 
                     // Open stream
                     m_Stream.open ();
-
-                    // Send mem message
-                    m_Stream.send (new Message (), 1000);
-                    m_Stream.send (new Message.mem (), 1000);
-
-                    // Close stream
-                    m_Stream.close ();
-
-                    // Open stream
-                    m_Stream.open ();
-
-                    // Send xmem message
-                    m_Stream.send (new Message (), 1000);
-                    m_Stream.send (new Message.xmem (), 1000);
                 }
             }
             catch (GLib.Error err)