The-Homebrew-Cloud/dolphin
2
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-01-25 15:31:17 +01:00
Code Issues Packages Projects Releases Wiki Activity

Nunchuk: Hardcode Nunchuk accelerometre calibration values as well

Browse Source
This commit is contained in:
Jasper St. Pierre 2014-09-04 19:11:11 -07:00
parent 211eafc130
commit 5f6cfd67b7
2 changed files with 10 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
Source/Core/Core/HW/WiimoteEmu/Attachment/Nunchuk.cpp
View File

@ -8,14 +8,6 @@ namespace WiimoteEmu
{ {
static const u8 nunchuk_id[] = { 0x00, 0x00, 0xa4, 0x20, 0x00, 0x00 }; static const u8 nunchuk_id[] = { 0x00, 0x00, 0xa4, 0x20, 0x00, 0x00 };
/* Default calibration for the nunchuk. It should be written to 0x20 - 0x3f of the
extension register. 0x80 is the neutral x and y accelerators and 0xb3 is the
neutral z accelerometer that is adjusted for gravity. */
static const u8 nunchuk_calibration[] =
{
0x80, 0x80, 0x80, 0x00, // accelerometer x, y, z neutral
0xb3, 0xb3, 0xb3, 0x00, // x, y, z g-force values
};
static const u8 nunchuk_button_bitmasks[] = static const u8 nunchuk_button_bitmasks[] =
{ {
@ -45,9 +37,6 @@ Nunchuk::Nunchuk(WiimoteEmu::ExtensionReg& _reg) : Attachment(_trans("Nunchuk"),
m_shake->controls.emplace_back(new ControlGroup::Input("Y")); m_shake->controls.emplace_back(new ControlGroup::Input("Y"));
m_shake->controls.emplace_back(new ControlGroup::Input("Z")); m_shake->controls.emplace_back(new ControlGroup::Input("Z"));
// set up register
// calibration
memcpy(&calibration, nunchuk_calibration, sizeof(nunchuk_calibration));
// id // id
memcpy(&id, nunchuk_id, sizeof(nunchuk_id)); memcpy(&id, nunchuk_id, sizeof(nunchuk_id));
@ -98,11 +87,9 @@ void Nunchuk::GetState(u8* const data)
// flip the button bits :/ // flip the button bits :/
ncdata->bt.hex ^= 0x03; ncdata->bt.hex ^= 0x03;
accel_cal& calib = *(accel_cal*)&reg.calibration; u16 accel_x = (u16)(accel.x * ACCEL_RANGE + ACCEL_ZERO_G);
u16 accel_y = (u16)(accel.y * ACCEL_RANGE + ACCEL_ZERO_G);
u16 accel_x = (u16)(accel.x * (calib.one_g.x - calib.zero_g.x) + calib.zero_g.x); u16 accel_z = (u16)(accel.z * ACCEL_RANGE + ACCEL_ZERO_G);
u16 accel_y = (u16)(accel.y * (calib.one_g.y - calib.zero_g.y) + calib.zero_g.y);
u16 accel_z = (u16)(accel.z * (calib.one_g.z - calib.zero_g.z) + calib.zero_g.z);
if (accel_x > 1024) if (accel_x > 1024)
accel_x = 1024; accel_x = 1024;

7
Source/Core/Core/HW/WiimoteEmu/Attachment/Nunchuk.h
View File

@ -22,6 +22,13 @@ public:
BUTTON_Z = 0x01, BUTTON_Z = 0x01,
}; };
enum
{
ACCEL_ZERO_G = 0x80,
ACCEL_ONE_G = 0xB3,
ACCEL_RANGE = (ACCEL_ONE_G - ACCEL_ZERO_G),
};
enum enum
{ {
STICK_CENTER = 0x80, STICK_CENTER = 0x80,