Recent changes to Example programs

Example programs modified by Dilshan R Jayakody

Dilshan R Jayakody — Sun, 17 Nov 2013 12:08:21 -0000

--- v4
+++ v5
@@ -63,5 +63,6 @@
       .
       .
       .
+      // 5. Close DLL handle.
       CloseHandle(hDLL);
     }

Example programs modified by Dilshan R Jayakody

Dilshan R Jayakody — Sun, 17 Nov 2013 12:05:32 -0000

Example programs modified by Dilshan R Jayakody

Dilshan R Jayakody — Sun, 17 Nov 2013 12:04:34 -0000

--- v2
+++ v3
@@ -3,8 +3,8 @@

 microTone Module example programs are located at *\samples* directory. 

-Code template
--------------
+Code layout
+-----------

 Recommended code layout for static DLL interface (this example based on Lazarus/Delphi):

Example programs modified by Dilshan R Jayakody

Dilshan R Jayakody — Sun, 17 Nov 2013 12:01:22 -0000

--- v1
+++ v2
@@ -6,7 +6,7 @@
 Code template
 -------------

-Recommended code layout for static DLL interface (this example use Lazarus):
+Recommended code layout for static DLL interface (this example based on Lazarus/Delphi):

     // 1. load functions from DLL.
     function UTMCreatePacket(OutData : Byte) : Word; stdcall; external 'utm.dll';
@@ -14,7 +14,7 @@
     .
     .
     .
-    // 2. Reset the device using 0x9 command.
+    // 2. Reset the device using 0x9 command. (optional)
     if UTMCreatePacket(9) = 0) then
     begin
       .
@@ -26,3 +26,42 @@
       .
       .
     end;
+
+Recommended code layout for dynamic DLL interface (this example is based on C++):
+
+    // 1. Load DLL into the application.
+    HINSTANCE hDLL = LoadLibrary(L"utm.dll");
+    .
+    .
+    .
+    // 2. Load function from DLL.
+    typedef short (__stdcall *sendP)(char);
+    typedef short (__stdcall *sendByteP)(char);
+
+    sendP _send;
+    sendByteP _sendByte;
+
+    if(hDLL)
+    {
+      _send = (sendP)GetProcAddress(hDLL, "UTMCreatePacket");
+      _sendByte = (sendByteP)GetProcAddress(hDLL, "UTMCreateBytePacket");
+      .
+      .
+      .
+      // 3. Reset the device using 0x9 command. (optional)
+      if(_send(9) == 0)
+      {
+        .
+        .
+        .
+        // 4. Send command to device.
+        if(_sendByte(255) == 0) { ... }
+        .
+        .
+        .
+      }
+      .
+      .
+      .
+      CloseHandle(hDLL);
+    }

Example programs modified by Dilshan R Jayakody

Dilshan R Jayakody — Sun, 17 Nov 2013 11:07:39 -0000

Example Programs

microTone Module example programs are located at \samples directory.

Code template

Recommended code layout for static DLL interface (this example use Lazarus):

// 1. load functions from DLL.
function UTMCreatePacket(OutData : Byte) : Word; stdcall; external 'utm.dll';
function UTMCreateBytePacket(OutData: Byte): Word; stdcall; external 'utm.dll';
.
.
.
// 2. Reset the device using 0x9 command.
if UTMCreatePacket(9) = 0) then
begin
  .
  .
  .
  // 3. Send command to device.
  if UTMCreateBytePacket(255) = 0 then
  .
  .
  .
end;