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/* Copyright (C) 2007 L. Donnie Smith <cwiid@abstrakraft.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* ChangeLog:
* 2007-05-16 L. Donnie Smith <cwiid@abstrakraft.org>
* * process_err adds error_mesg to mesg_array
*
* 2007-04-24 L. Donnie Smith <cwiid@abstrakraft.org>
* * created for API overhaul (moved from old event.c)
*/
#include <unistd.h>
#include "cwiid_internal.h"
int process_error(struct wiimote *wiimote, ssize_t len, struct mesg_array *ma)
{
struct cwiid_error_mesg *error_mesg;
error_mesg = &ma->array[ma->count++].error_mesg;
error_mesg->type = CWIID_MESG_ERROR;
if (len == 0) {
error_mesg->error = CWIID_ERROR_DISCONNECT;
}
else {
error_mesg->error = CWIID_ERROR_COMM;
}
if (cancel_rw(wiimote)) {
cwiid_err(wiimote, "RW cancel error");
}
return 0;
}
int process_status(struct wiimote *wiimote, const unsigned char *data,
struct mesg_array *ma)
{
struct cwiid_status_mesg status_mesg;
status_mesg.type = CWIID_MESG_STATUS;
status_mesg.battery = data[5];
if (data[2] & 0x02) {
/* status_thread will figure out what it is */
status_mesg.ext_type = CWIID_EXT_UNKNOWN;
}
else {
status_mesg.ext_type = CWIID_EXT_NONE;
}
if (write(wiimote->status_pipe[1], &status_mesg, sizeof status_mesg)
!= sizeof status_mesg) {
cwiid_err(wiimote, "Status pipe write error");
return -1;
}
return 0;
}
int process_btn(struct wiimote *wiimote, const unsigned char *data,
struct mesg_array *ma)
{
struct cwiid_btn_mesg *btn_mesg;
uint16_t buttons;
buttons = (data[0] & BTN_MASK_0)<<8 |
(data[1] & BTN_MASK_1);
if (wiimote->state.rpt_mode & CWIID_RPT_BTN) {
if ((wiimote->state.buttons != buttons) ||
(wiimote->flags & CWIID_FLAG_REPEAT_BTN)) {
btn_mesg = &ma->array[ma->count++].btn_mesg;
btn_mesg->type = CWIID_MESG_BTN;
btn_mesg->buttons = buttons;
}
}
return 0;
}
int process_acc(struct wiimote *wiimote, const unsigned char *data,
struct mesg_array *ma)
{
struct cwiid_acc_mesg *acc_mesg;
if (wiimote->state.rpt_mode & CWIID_RPT_ACC) {
acc_mesg = &ma->array[ma->count++].acc_mesg;
acc_mesg->type = CWIID_MESG_ACC;
acc_mesg->acc[CWIID_X] = data[0];
acc_mesg->acc[CWIID_Y] = data[1];
acc_mesg->acc[CWIID_Z] = data[2];
}
return 0;
}
int process_ir10(struct wiimote *wiimote, const unsigned char *data,
struct mesg_array *ma)
{
struct cwiid_ir_mesg *ir_mesg;
int i;
const unsigned char *block;
if (wiimote->state.rpt_mode & CWIID_RPT_IR) {
ir_mesg = &ma->array[ma->count++].ir_mesg;
ir_mesg->type = CWIID_MESG_IR;
for (i=0, block=data; i < CWIID_IR_SRC_COUNT; i+=2, block+=5) {
if (block[0] == 0xFF) {
ir_mesg->src[i].valid = 0;
}
else {
ir_mesg->src[i].valid = 1;
ir_mesg->src[i].pos[CWIID_X] = ((uint16_t)block[2] & 0x30)<<4 |
(uint16_t)block[0];
ir_mesg->src[i].pos[CWIID_Y] = ((uint16_t)block[2] & 0xC0)<<2 |
(uint16_t)block[1];
ir_mesg->src[i].size = -1;
}
if (block[3] == 0xFF) {
ir_mesg->src[i+1].valid = 0;
}
else {
ir_mesg->src[i+1].valid = 1;
ir_mesg->src[i+1].pos[CWIID_X] =
((uint16_t)block[2] & 0x03)<<8 |
(uint16_t)block[3];
ir_mesg->src[i+1].pos[CWIID_Y] =
((uint16_t)block[2] & 0x0C)<<6 |
(uint16_t)block[4];
ir_mesg->src[i+1].size = -1;
}
}
}
return 0;
}
int process_ir12(struct wiimote *wiimote, const unsigned char *data,
struct mesg_array *ma)
{
struct cwiid_ir_mesg *ir_mesg;
int i;
const unsigned char *block;
if (wiimote->state.rpt_mode & CWIID_RPT_IR) {
ir_mesg = &ma->array[ma->count++].ir_mesg;
ir_mesg->type = CWIID_MESG_IR;
for (i=0, block=data; i < CWIID_IR_SRC_COUNT; i++, block+=3) {
if (block[0] == 0xFF) {
ir_mesg->src[i].valid = 0;
}
else {
ir_mesg->src[i].valid = 1;
ir_mesg->src[i].pos[CWIID_X] = ((uint16_t)block[2] & 0x30)<<4 |
(uint16_t)block[0];
ir_mesg->src[i].pos[CWIID_Y] = ((uint16_t)block[2] & 0xC0)<<2 |
(uint16_t)block[1];
ir_mesg->src[i].size = block[2] & 0x0F;
}
}
}
return 0;
}
int process_ext(struct wiimote *wiimote, unsigned char *data,
unsigned char len, struct mesg_array *ma)
{
struct cwiid_nunchuk_mesg *nunchuk_mesg;
struct cwiid_classic_mesg *classic_mesg;
int i;
switch (wiimote->state.ext_type) {
case CWIID_EXT_NONE:
cwiid_err(wiimote, "Received unexpected extension report");
break;
case CWIID_EXT_UNKNOWN:
break;
case CWIID_EXT_NUNCHUK:
if (wiimote->state.rpt_mode & CWIID_RPT_NUNCHUK) {
nunchuk_mesg = &ma->array[ma->count++].nunchuk_mesg;
nunchuk_mesg->type = CWIID_MESG_NUNCHUK;
nunchuk_mesg->stick[CWIID_X] = DECODE(data[0]);
nunchuk_mesg->stick[CWIID_Y] = DECODE(data[1]);
nunchuk_mesg->acc[CWIID_X] = DECODE(data[2]);
nunchuk_mesg->acc[CWIID_Y] = DECODE(data[3]);
nunchuk_mesg->acc[CWIID_Z] = DECODE(data[4]);
nunchuk_mesg->buttons = ~DECODE(data[5]) & NUNCHUK_BTN_MASK;
}
break;
case CWIID_EXT_CLASSIC:
if (wiimote->state.rpt_mode & CWIID_RPT_CLASSIC) {
classic_mesg = &ma->array[ma->count++].classic_mesg;
classic_mesg->type = CWIID_MESG_CLASSIC;
for (i=0; i < 6; i++) {
data[i] = DECODE(data[i]);
}
classic_mesg->l_stick[CWIID_X] = data[0] & 0x3F;
classic_mesg->l_stick[CWIID_Y] = data[1] & 0x3F;
classic_mesg->r_stick[CWIID_X] = (data[0] & 0xC0)>>3 |
(data[1] & 0xC0)>>5 |
(data[2] & 0x80)>>7;
classic_mesg->r_stick[CWIID_Y] = data[2] & 0x1F;
classic_mesg->l = (data[2] & 0x60)>>2 |
(data[3] & 0xE0)>>5;
classic_mesg->r = data[3] & 0x1F;
classic_mesg->buttons = ~((uint16_t)data[4]<<8 |
(uint16_t)data[5]);
}
break;
}
return 0;
}
int process_read(struct wiimote *wiimote, unsigned char *data)
{
struct rw_mesg rw_mesg;
if (wiimote->rw_status != RW_READ) {
cwiid_err(wiimote, "Received unexpected read report");
return -1;
}
rw_mesg.type = RW_READ;
rw_mesg.len = (data[0]>>4)+1;
rw_mesg.error = data[0] & 0x0F;
memcpy(&rw_mesg.data, data+3, rw_mesg.len);
if (write(wiimote->rw_pipe[1], &rw_mesg, sizeof rw_mesg) !=
sizeof rw_mesg) {
cwiid_err(wiimote, "RW pipe write error");
return -1;
}
return 0;
}
int process_write(struct wiimote *wiimote, unsigned char *data)
{
struct rw_mesg rw_mesg;
if (wiimote->rw_status != RW_WRITE) {
cwiid_err(wiimote, "Received unexpected write report");
return -1;
}
rw_mesg.type = RW_WRITE;
rw_mesg.error = data[0];
if (write(wiimote->rw_pipe[1], &rw_mesg, sizeof rw_mesg) !=
sizeof rw_mesg) {
cwiid_err(wiimote, "RW pipe write error");
return -1;
}
return 0;
}
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