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Wiiuse:Backport some changes from the libogc version of wiiuse.

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Still got a lot to back port :(.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4307 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
death2droid
2009-09-20 13:31:32 +00:00
parent 194d44d08e
commit 0e3baaa6ab
10 changed files with 167 additions and 113 deletions
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127
Externals/WiiUseSrc/Src/wiiboard.c vendored
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@ -28,7 +28,7 @@
/**
* @file
* @brief Wii Fit Balance Board device.
* @brief Wiiboard expansion device.
*/
#include <stdio.h>
@ -45,16 +45,6 @@
#include "events.h"
#include "wiiboard.h"
static short big_to_lil(unsigned short num)
{
short ret = num;
char *bret = (char*)&ret;
char tmp = bret[1];
bret[1] = bret[0];
bret[0] = tmp;
return ret;
}
/**
* @brief Handle the handshake data from the guitar.
*
@ -66,51 +56,37 @@ static short big_to_lil(unsigned short num)
*/
int wii_board_handshake(struct wiimote_t* wm, struct wii_board_t* wb, byte* data, unsigned short len) {
int i;
short* handshake_short;
/* decrypt data */
printf("DECRYPTED DATA WIIBOARD\n");
for (i = 0; i < len; i++)
{
if(i%16==0)
{
if(i!=0)
printf("\n");
printf("%X: ",0x4a40000+32+i);
int offset = 0;
if (data[offset]==0xff) {
if (data[offset+16]==0xff) {
WIIUSE_DEBUG("Wii Balance Board handshake appears invalid, trying again.");
wiiuse_read_data(wm, data, WM_EXP_MEM_CALIBR, EXP_HANDSHAKE_LEN);
return 0;
}
printf("%02X ", data[i]);
offset += 16;
}
printf("\n");
wb->ctr[0] = (data[offset+4]<<8)|data[offset+5];
wb->cbr[0] = (data[offset+6]<<8)|data[offset+7];
wb->ctl[0] = (data[offset+8]<<8)|data[offset+9];
wb->cbl[0] = (data[offset+10]<<8)|data[offset+11];
handshake_short = (short*)data;
wb->ctr[0] = big_to_lil(handshake_short[2]);
wb->cbr[0] = big_to_lil(handshake_short[3]);
wb->ctl[0] = big_to_lil(handshake_short[4]);
wb->cbl[0] = big_to_lil(handshake_short[5]);
wb->ctr[1] = big_to_lil(handshake_short[6]);
wb->cbr[1] = big_to_lil(handshake_short[7]);
wb->ctl[1] = big_to_lil(handshake_short[8]);
wb->cbl[1] = big_to_lil(handshake_short[9]);
wb->ctr[2] = big_to_lil(handshake_short[10]);
wb->cbr[2] = big_to_lil(handshake_short[11]);
wb->ctl[2] = big_to_lil(handshake_short[12]);
wb->cbl[2] = big_to_lil(handshake_short[13]);
wb->ctr[1] = (data[offset+12]<<8)|data[offset+13];
wb->cbr[1] = (data[offset+14]<<8)|data[offset+15];
wb->ctl[1] = (data[offset+16]<<8)|data[offset+17];
wb->cbl[1] = (data[offset+18]<<8)|data[offset+19];
wb->ctr[2] = (data[offset+20]<<8)|data[offset+21];
wb->cbr[2] = (data[offset+22]<<8)|data[offset+23];
wb->ctl[2] = (data[offset+24]<<8)|data[offset+25];
wb->cbl[2] = (data[offset+26]<<8)|data[offset+27];
/* handshake done */
wm->event = WIIUSE_WII_BOARD_CTRL_INSERTED;
wm->exp.type = EXP_WII_BOARD;
#ifdef WIN32
wm->timeout = WIIMOTE_DEFAULT_TIMEOUT;
#endif
return 1;
return 1;
}
@ -130,58 +106,9 @@ void wii_board_disconnected(struct wii_board_t* wb) {
* @param msg The message specified in the event packet.
*/
void wii_board_event(struct wii_board_t* wb, byte* msg) {
short *shmsg = (short*)(msg);
wb->rtr = big_to_lil(shmsg[0]);
if(wb->rtr<0) wb->rtr = 0;
wb->rbr = big_to_lil(shmsg[1]);
if(wb->rbr<0) wb->rbr = 0;
wb->rtl = big_to_lil(shmsg[2]);
if(wb->rtl<0) wb->rtl = 0;
wb->rbl = big_to_lil(shmsg[3]);
if(wb->rbl<0) wb->rbl = 0;
/*
Interpolate values
Calculations borrowed from wiili.org - No names to mention sadly :( http://www.wiili.org/index.php/Wii_Balance_Board_PC_Drivers page however!
*/
if(wb->rtr<wb->ctr[1])
{
wb->tr = 68*(wb->rtr-wb->ctr[0])/(wb->ctr[1]-wb->ctr[0]);
}
else if(wb->rtr >= wb->ctr[1])
{
wb->tr = 68*(wb->rtr-wb->ctr[1])/(wb->ctr[2]-wb->ctr[1]) + 68;
}
if(wb->rtl<wb->ctl[1])
{
wb->tl = 68*(wb->rtl-wb->ctl[0])/(wb->ctl[1]-wb->ctl[0]);
}
else if(wb->rtl >= wb->ctl[1])
{
wb->tl = 68*(wb->rtl-wb->ctl[1])/(wb->ctl[2]-wb->ctl[1]) + 68;
}
if(wb->rbr<wb->cbr[1])
{
wb->br = 68*(wb->rbr-wb->cbr[0])/(wb->cbr[1]-wb->cbr[0]);
}
else if(wb->rbr >= wb->cbr[1])
{
wb->br = 68*(wb->rbr-wb->cbr[1])/(wb->cbr[2]-wb->cbr[1]) + 68;
}
if(wb->rbl<wb->cbl[1])
{
wb->bl = 68*(wb->rbl-wb->cbl[0])/(wb->cbl[1]-wb->cbl[0]);
}
else if(wb->rbl >= wb->cbl[1])
{
wb->bl = 68*(wb->rbl-wb->cbl[1])/(wb->cbl[2]-wb->cbl[1]) + 68;
}
}
void wiiuse_set_wii_board_calib(struct wiimote_t *wm)
{
wb->rtr = (msg[0]<<8)|msg[1];
wb->rbr = (msg[2]<<8)|msg[3];
wb->rtl = (msg[4]<<8)|msg[5];
wb->rbl = (msg[6]<<8)|msg[7];
calc_balanceboard_state(wb);
}