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G940LEDControl/Shared/LogiJoystickDLL.pas
Mark van Renswoude e5463b9e27 Implemented warning and error states
Improved error handling
Delphi XE2 compatibility
2012-01-08 20:07:38 +00:00

95 lines
2.4 KiB
ObjectPascal

unit LogiJoystickDLL;
interface
uses
Windows,
DirectInput;
type
TLogiPanelButton = (LOGI_NONE = -1,
LOGI_P1 = 0,
LOGI_P2 = 1,
LOGI_P3 = 2,
LOGI_P4 = 3,
LOGI_P5 = 4,
LOGI_P6 = 5,
LOGI_P7 = 6,
LOGI_P8 = 7);
TLogiColor = (LOGI_OFF = 0,
LOGI_GREEN = 1,
LOGI_AMBER = 2,
LOGI_RED = 3);
TSetButtonColor = function(device: IDirectInputDevice8; button: TLogiPanelButton; color: TLogiColor): DWORD; cdecl;
TSetAllButtonsColor = function(device: IDirectInputDevice8; color: TLogiColor): DWORD; cdecl;
TIsButtonColor = function(device: IDirectInputDevice8; button: TLogiPanelButton; color: TLogiColor): BOOL; cdecl;
TSetLEDs = function(device: IDirectInputDevice8; redLEDs, greenLEDs: Byte): DWORD; cdecl;
TGetLEDs = function(device: IDirectInputDevice8; out redLEDs, greenLEDs: Byte): DWORD; cdecl;
function LogiJoystickDLLInitialized: Boolean;
const
VENDOR_LOGITECH = $046D;
PRODUCT_G940_JOYSTICK = $C2A8;
PRODUCT_G940_THROTTLE = $C2A9;
PRODUCT_G940_PEDALS = $C2AA;
var
SetButtonColor: TSetButtonColor;
SetAllButtonsColor: TSetAllButtonsColor;
IsButtonColor: TIsButtonColor;
SetLEDs: TSetLEDs;
GetLEDs: TGetLEDs;
implementation
const
LogiJoystickDLLFileName = 'LogiJoystickDLL.dll';
var
LogiJoystickDLLHandle: THandle;
function LogiJoystickDLLInitialized: Boolean;
begin
Result := (LogiJoystickDLLHandle <> 0);
end;
procedure LoadLogiJoystickDLL;
begin
LogiJoystickDLLHandle := LoadLibrary(LogiJoystickDLLFileName);
if LogiJoystickDLLHandle <> 0 then
begin
@SetButtonColor := GetProcAddress(LogiJoystickDLLHandle, 'SetButtonColor');
@SetAllButtonsColor := GetProcAddress(LogiJoystickDLLHandle, 'SetAllButtonsColor');
@IsButtonColor := GetProcAddress(LogiJoystickDLLHandle, 'IsButtonColor');
@SetLEDs := GetProcAddress(LogiJoystickDLLHandle, 'SetLEDs');
@GetLEDs := GetProcAddress(LogiJoystickDLLHandle, 'GetLEDs');
end;
end;
procedure UnloadLogiJoystickDLL;
begin
if LogiJoystickDLLHandle <> 0 then
begin
FreeLibrary(LogiJoystickDLLHandle);
LogiJoystickDLLHandle := 0;
end;
end;
initialization
LoadLogiJoystickDLL;
finalization
UnloadLogiJoystickDLL;
end.