/**
* @brief Set the IR sensitivity.
*
* @param wm Pointer to a wiimote_t structure.
* @param level 1-5, same as Wii system sensitivity setting.
*
* If the level is < 1, then level will be set to 1.
* If the level is > 5, then level will be set to 5.
*/
void wiic_set_ir_sensitivity( struct wiimote_t* wm, int level ) {
char* block1 = NULL;
char* block2 = NULL;
if ( !wm ) return;
if ( level > 5 ) level = 5;
if ( level < 1 ) level = 1;
WIIMOTE_DISABLE_STATE(
wm,
(WIIMOTE_STATE_IR_SENS_LVL1 | WIIMOTE_STATE_IR_SENS_LVL2 | WIIMOTE_STATE_IR_SENS_LVL3 | WIIMOTE_STATE_IR_SENS_LVL4 | WIIMOTE_STATE_IR_SENS_LVL5) );
switch ( level ) {
case 1:
WIIMOTE_ENABLE_STATE( wm, WIIMOTE_STATE_IR_SENS_LVL1 );
break;
case 2:
WIIMOTE_ENABLE_STATE( wm, WIIMOTE_STATE_IR_SENS_LVL2 );
break;
case 3:
WIIMOTE_ENABLE_STATE( wm, WIIMOTE_STATE_IR_SENS_LVL3 );
break;
case 4:
WIIMOTE_ENABLE_STATE( wm, WIIMOTE_STATE_IR_SENS_LVL4 );
break;
case 5:
WIIMOTE_ENABLE_STATE( wm, WIIMOTE_STATE_IR_SENS_LVL5 );
break;
default:
return;
}
/* set the new sensitivity */
get_ir_sens( wm, &block1, &block2 );
wiic_write_data( wm, WM_REG_IR_BLOCK1, (byte*) block1, 9 );
wiic_write_data( wm, WM_REG_IR_BLOCK2, (byte*) block2, 2 );
WIIC_DEBUG("Set IR sensitivity to level %i (unid %i)", level, wm->unid);
}
/**
* @brief Set if the wiimote should track IR targets.
*
* @param wm Pointer to a wiimote_t structure.
* @param status 1 to enable, 0 to disable.
*/
void wiiuse_set_ir(struct wiimote_t* wm, int status) {
byte buf;
char* block1 = NULL;
char* block2 = NULL;
int ir_level;
if (!wm)
return;
/*
* Wait for the handshake to finish first.
* When it handshake finishes and sees that
* IR is enabled, it will call this function
* again to actually enable IR.
*/
if (!WIIMOTE_IS_SET(wm, WIIMOTE_STATE_HANDSHAKE_COMPLETE)) {
if(status) {
WIIUSE_DEBUG("Tried to enable IR, will wait until handshake finishes.");
WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_IR);
} // else ignoring request to turn off, since it's turned off by default
return;
}
/*
* Check to make sure a sensitivity setting is selected.
*/
ir_level = get_ir_sens(wm, &block1, &block2);
if (!ir_level) {
WIIUSE_ERROR("No IR sensitivity setting selected.");
return;
}
if (status) {
/* if already enabled then stop */
if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR))
return;
WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_IR);
} else {
/* if already disabled then stop */
if (!WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR))
return;
WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_IR);
}
/* set camera 1 and 2 */
buf = (status ? 0x04 : 0x00);
wiiuse_send(wm, WM_CMD_IR, &buf, 1);
wiiuse_send(wm, WM_CMD_IR_2, &buf, 1);
if (!status) {
WIIUSE_DEBUG("Disabled IR cameras for wiimote id %i.", wm->unid);
wiiuse_set_report_type(wm);
return;
}
/* enable IR, set sensitivity */
buf = 0x08;
wiiuse_write_data(wm, WM_REG_IR, &buf, 1);
/* wait for the wiimote to catch up */
#ifndef WIN32
usleep(50000);
#else
Sleep(50);
#endif
/* write sensitivity blocks */
wiiuse_write_data(wm, WM_REG_IR_BLOCK1, (byte*)block1, 9);
wiiuse_write_data(wm, WM_REG_IR_BLOCK2, (byte*)block2, 2);
/* set the IR mode */
if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_EXP))
buf = WM_IR_TYPE_BASIC;
else
buf = WM_IR_TYPE_EXTENDED;
wiiuse_write_data(wm, WM_REG_IR_MODENUM, &buf, 1);
#ifndef WIN32
usleep(50000);
#else
Sleep(50);
#endif
/* set the wiimote report type */
wiiuse_set_report_type(wm);
WIIUSE_DEBUG("Enabled IR camera for wiimote id %i (sensitivity level %i).", wm->unid, ir_level);
}