This controls communication with the Gamepad, internally called VPAD by this library. It uses the VPADBASE library internally.
Functions
| Name
|
Prototype
|
Description
|
| VPADRead
|
int VPADRead(int padnum, void *buffer, int length, int *err);
|
Stores raw controller data in buffer for the specified Gamepad
|
Structures
VPAD Data
Can be gotten using VPADRead(), length seems to control the max amount of "datasets" to keep. A single dataset containing raw controller data is 0xAC bytes.
| Offset
|
Length
|
Description
|
| 2
|
2
|
Buttons, ABXY, Left, Right, Up, Down in that order (bits)
|
| 3
|
1
|
Buttons, ZL, ZR, L, R, +, -, Power/Home, Sync in that order (bits)
|
| 12
|
8
|
Left Joystick, vectors for X and Y
|
| 20
|
8
|
Right Joystick, vectors for X and Y
|
| Touchscreen Input
|
| 82
|
2
|
Touchscreen X
|
| 84
|
2
|
Touchscreen Y
|
| 86
|
2
|
Flag for if touchscreen is currently being touched (1 = Yes, 0 = No)
|
| 88
|
2
|
Coordinate validation (0 = All Valid, 1 = Invalid X, 2 = Invalid Y, 3 = Both Invalid)
|
| 90
|
2
|
Modified Touchscreen X?
|
| 92
|
2
|
Modified Touchscreen Y?
|
| 94
|
2
|
Modified Flag for if touchscreen is currently being touched (1 = Yes, 0 = No)?
|
| 96
|
2
|
Modified Coordinate validation (0 = All Valid, 1 = Invalid X, 2 = Invalid Y, 3 = Both Invalid)?
|
| 98
|
2
|
Modified Touchscreen X?
|
| 100
|
2
|
Modified Touchscreen Y?
|
| 102
|
2
|
Modified Flag for if touchscreen is currently being touched (1 = Yes, 0 = No)?
|
| 104
|
2
|
Modified Coordinate validation (0 = All Valid, 1 = Invalid X, 2 = Invalid Y, 3 = Both Invalid)?
|
| Other Data
|
| 160
|
1
|
Something related to volume slider
|
| 161
|
1
|
Battery related. Charge level? out of 6
|
| 163
|
1
|
Something related to volume slider(one less than 0xA0)
|
| 164
|
8
|
Padding?
|
Defines
Keys
| Name
|
Value
|
Description
|
| KEY_DRC_LEFT
|
0x0800
|
Left d-pad button
|
| KEY_DRC_RIGHT
|
0x0400
|
Right d-pad button
|
| KEY_DRC_UP
|
0x0200
|
Upper d-pad button
|
| KEY_DRC_DOWN
|
0x0100
|
Bottom d-pad button
|
| KEY_DRC_A
|
0x8000
|
A button
|
| KEY_DRC_B
|
0x4000
|
B button
|
| KEY_DRC_X
|
0x2000
|
X button
|
| KEY_DRC_Y
|
0x1000
|
Y button
|
| KEY_DRC_ZL
|
0x0080
|
ZL button
|
| KEY_DRC_ZR
|
0x0040
|
ZR button
|
| KEY_DRC_L
|
0x0020
|
L button
|
| KEY_DRC_R
|
0x0010
|
R button
|
| KEY_DRC_PLUS
|
0x0008
|
Plus button
|
| KEY_DRC_MINUS
|
0x0004
|
Minus button
|
| KEY_DRC_SYNC
|
0x0001
|
Sync button
|
| KEY_DRC_HOME
|
0x0002
|
Home button
|