root/wiimote/wiimote_internal.h @ a339960844acef82f06e6c4ba82575fafc4e50ac

/* 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:
 *  03/05/2007: L. Donnie Smith <cwiid@abstrakraft.org>
 *  * added wiimote parameter to wiimote_err prototype
 *
 *  03/01/2007: L. Donnie Smith <cwiid@abstrakraft.org>
 *  * Initial ChangeLog
 *  * type audit (stdint, const, char booleans)
 */

#ifndef WIIMOTE_INTERNAL_H
#define WIIMOTE_INTERNAL_H

#include <stdint.h>
#include <pthread.h>
#include "wiimote.h"

/* Bluetooth magic numbers */
#define BT_TRANS_MASK           0xF0
#define BT_TRANS_HANDSHAKE      0x00
#define BT_TRANS_SET_REPORT     0x50
#define BT_TRANS_DATA           0xA0
#define BT_TRANS_DATAC          0xB0

#define BT_PARAM_MASK           0x0F
/* HANDSHAKE params */
#define BT_PARAM_SUCCESSFUL                                     0x00
#define BT_PARAM_NOT_READY                                      0x01
#define BT_PARAM_ERR_INVALID_REPORT_ID          0x02
#define BT_PARAM_ERR_UNSUPPORTED_REQUEST        0x03
#define BT_PARAM_ERR_INVALID_PARAMETER          0x04
#define BT_PARAM_ERR_UNKNOWN                            0x0E
#define BT_PARAM_ERR_FATAL                                      0x0F
/* SET_REPORT, DATA, DATAC params */
#define BT_PARAM_INPUT          0x01
#define BT_PARAM_OUTPUT         0x02
#define BT_PARAM_FEATURE        0x03

/* Wiimote specific magic numbers */
#define WIIMOTE_NAME "Nintendo RVL-CNT-01"
#define WIIMOTE_CMP_LEN sizeof(WIIMOTE_NAME)
#define WIIMOTE_CLASS_0 0x04
#define WIIMOTE_CLASS_1 0x25
#define WIIMOTE_CLASS_2 0x00

/* Wiimote port/channel/PSMs */
#define CTL_PSM 17
#define INT_PSM 19

/* Report numbers */
#define RPT_LED_RUMBLE                  0x11
#define RPT_RPT_MODE                    0x12
#define RPT_IR_ENABLE1                  0x13
#define RPT_SPEAKER_ENABLE              0x14
#define RPT_STATUS_REQ                  0x15
#define RPT_WRITE                               0x16
#define RPT_READ_REQ                    0x17
#define RPT_SPEAKER_DATA                0x18
#define RPT_SPEAKER_MUTE                0x19
#define RPT_IR_ENABLE2                  0x1A
#define RPT_STATUS                              0x20
#define RPT_READ_DATA                   0x21
#define RPT_WRITE_ACK                   0x22
#define RPT_BTN                                 0x30
#define RPT_BTN_ACC                             0x31
#define RPT_BTN_EXT8                    0x32
#define RPT_BTN_ACC_IR12                0x33
#define RPT_BTN_EXT19                   0x34
#define RPT_BTN_ACC_EXT16               0x35
#define RPT_BTN_IR10_EXT9               0x36
#define RPT_BTN_ACC_IR10_EXT6   0x37
#define RPT_EXT21                               0x3D
#define RPT_BTN_ACC_IR36_1              0x3E
#define RPT_BTN_ACC_IR36_2              0x3F

/* Button Mask (masks unknown bits in button bytes) */
#define BTN_MASK_0                      0x1F
#define BTN_MASK_1                      0x9F
#define NUNCHUK_BTN_MASK        0x03

/* Extension Values */
#define EXT_NONE        0x2E
#define EXT_PARTIAL 0xFF
#define EXT_NUNCHUK 0x00
#define EXT_CLASSIC 0x01

/* IR Enable blocks */
#define MARCAN_IR_BLOCK_1       "\x00\x00\x00\x00\x00\x00\x90\x00\xC0"
#define MARCAN_IR_BLOCK_2       "\x40\x00"
#define CLIFF_IR_BLOCK_1        "\x02\x00\x00\x71\x01\x00\xAA\x00\x64"
#define CLIFF_IR_BLOCK_2        "\x63\x03"

/* Extension Decode */
#define DECODE(a)       (((a ^ 0x17)+0x17)&0xFF)

enum write_seq_type {
        WRITE_SEQ_RPT,
        WRITE_SEQ_MEM
};

/* send_report flags */
#define SEND_RPT_NO_RUMBLE      0x01

struct write_seq {
        enum write_seq_type type;
        uint32_t report_offset;
        const void *data;
        uint16_t len;
        uint8_t flags;
};

#define SEQ_LEN(seq) (sizeof(seq)/sizeof(struct write_seq))

enum rw_status {
        RW_NONE,
        RW_PENDING,
        RW_READY,
        RW_ERROR
};

struct mesg_array {
        int count;
        union wiimote_mesg *mesg[WIIMOTE_MAX_MESG_COUNT];
};

struct wiimote {
        int id;
        int ctl_socket;
        int int_socket;
        uint8_t led_rumble_state;
        uint8_t rpt_mode_flags;
        uint16_t buttons;
        enum wiimote_ext_type extension;
        wiimote_mesg_callback_t *mesg_callback;
        pthread_t int_listen_thread;
        pthread_t dispatch_thread;
        struct queue *dispatch_queue;
        pthread_mutex_t wiimote_mutex;
        pthread_mutex_t rw_mutex;
        pthread_cond_t rw_cond;
        pthread_mutex_t rw_cond_mutex;
        enum rw_status rw_status;
        void *read_buf;
        uint16_t read_len;
        uint16_t read_received;
};

/* prototypes */
void *int_listen(struct wiimote *wiimote);
void *dispatch(struct wiimote *wiimote);

int update_rpt_mode(struct wiimote *wiimote, int8_t flags);

void wiimote_err(struct wiimote *wiimote, const char *str, ...);
int verify_handshake(struct wiimote *wiimote);
int send_report(struct wiimote *wiimote, uint8_t flags, uint8_t report,
                size_t len, const void *data);
int exec_write_seq(struct wiimote *wiimote, unsigned int len,
                   struct write_seq *seq);
void free_mesg_array(struct mesg_array *array);
int wiimote_findfirst(bdaddr_t *bdaddr);

#endif