rik/libwiiuse
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fromdos the source

Browse Source
This commit is contained in:
Ryan Pavlik
2010-11-12 10:24:00 -06:00
parent 2432d5c867
commit 304bf4fc64
8 changed files with 122 additions and 122 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
src/classic.c
View File

@@ -57,7 +57,7 @@ static void classic_ctrl_pressed_buttons(struct classic_ctrl_t* cc, short now);
* @return Returns 1 if handshake was successful, 0 if not.
*/
int classic_ctrl_handshake(struct wiimote_t* wm, struct classic_ctrl_t* cc, byte* data, unsigned short len) {
int i;
int i;
int offset = 0;
cc->btns = 0;
@@ -69,30 +69,30 @@ int classic_ctrl_handshake(struct wiimote_t* wm, struct classic_ctrl_t* cc, byte
/* decrypt data */
for (i = 0; i < len; ++i)
data[i] = (data[i] ^ 0x17) + 0x17;
if (data[offset] == 0xFF) {
/*
* Sometimes the data returned here is not correct.
* This might happen because the wiimote is lagging
* behind our initialization sequence.
* To fix this just request the handshake again.
*
* Other times it's just the first 16 bytes are 0xFF,
* but since the next 16 bytes are the same, just use
* those.
*/
if (data[offset + 16] == 0xFF) {
/* get the calibration data */
byte* handshake_buf = malloc(EXP_HANDSHAKE_LEN * sizeof(byte));
WIIUSE_DEBUG("Classic controller handshake appears invalid, trying again.");
wiiuse_read_data_cb(wm, handshake_expansion, handshake_buf, WM_EXP_MEM_CALIBR, EXP_HANDSHAKE_LEN);
return 0;
} else
offset += 16;
}
if (data[offset] == 0xFF) {
/*
* Sometimes the data returned here is not correct.
* This might happen because the wiimote is lagging
* behind our initialization sequence.
* To fix this just request the handshake again.
*
* Other times it's just the first 16 bytes are 0xFF,
* but since the next 16 bytes are the same, just use
* those.
*/
if (data[offset + 16] == 0xFF) {
/* get the calibration data */
byte* handshake_buf = malloc(EXP_HANDSHAKE_LEN * sizeof(byte));
WIIUSE_DEBUG("Classic controller handshake appears invalid, trying again.");
wiiuse_read_data_cb(wm, handshake_expansion, handshake_buf, WM_EXP_MEM_CALIBR, EXP_HANDSHAKE_LEN);
return 0;
} else
offset += 16;
}
/* joystick stuff */
cc->ljs.max.x = data[0 + offset] / 4;