| 1 | /* Copyright (C) 2007 L. Donnie Smith <donnie.smith@gatech.edu> |
|---|
| 2 | * |
|---|
| 3 | * This program is free software; you can redistribute it and/or modify |
|---|
| 4 | * it under the terms of the GNU General Public License as published by |
|---|
| 5 | * the Free Software Foundation; either version 2 of the License, or |
|---|
| 6 | * (at your option) any later version. |
|---|
| 7 | * |
|---|
| 8 | * This program is distributed in the hope that it will be useful, |
|---|
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|---|
| 11 | * GNU General Public License for more details. |
|---|
| 12 | * |
|---|
| 13 | * You should have received a copy of the GNU General Public License |
|---|
| 14 | * along with this program; if not, write to the Free Software |
|---|
| 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|---|
| 16 | * |
|---|
| 17 | */ |
|---|
| 18 | |
|---|
| 19 | #include <string.h> |
|---|
| 20 | #include <pthread.h> |
|---|
| 21 | #include "cwiid_internal.h" |
|---|
| 22 | |
|---|
| 23 | int update_state(struct wiimote *wiimote, struct mesg_array *ma) |
|---|
| 24 | { |
|---|
| 25 | int i; |
|---|
| 26 | union cwiid_mesg *mesg; |
|---|
| 27 | |
|---|
| 28 | if (pthread_mutex_lock(&wiimote->state_mutex)) { |
|---|
| 29 | cwiid_err(wiimote, "Mutex lock error (state mutex)"); |
|---|
| 30 | return -1; |
|---|
| 31 | } |
|---|
| 32 | |
|---|
| 33 | for (i=0; i < ma->count; i++) { |
|---|
| 34 | mesg = &ma->array[i]; |
|---|
| 35 | |
|---|
| 36 | switch (mesg->type) { |
|---|
| 37 | case CWIID_MESG_STATUS: |
|---|
| 38 | wiimote->state.battery = mesg->status_mesg.battery; |
|---|
| 39 | if (wiimote->state.ext_type != mesg->status_mesg.ext_type) { |
|---|
| 40 | memset(&wiimote->state.ext, 0, sizeof wiimote->state.ext); |
|---|
| 41 | wiimote->state.ext_type = mesg->status_mesg.ext_type; |
|---|
| 42 | } |
|---|
| 43 | break; |
|---|
| 44 | case CWIID_MESG_BTN: |
|---|
| 45 | wiimote->state.buttons = mesg->btn_mesg.buttons; |
|---|
| 46 | break; |
|---|
| 47 | case CWIID_MESG_ACC: |
|---|
| 48 | memcpy(wiimote->state.acc, mesg->acc_mesg.acc, |
|---|
| 49 | sizeof wiimote->state.acc); |
|---|
| 50 | break; |
|---|
| 51 | case CWIID_MESG_IR: |
|---|
| 52 | memcpy(wiimote->state.ir_src, mesg->ir_mesg.src, |
|---|
| 53 | sizeof wiimote->state.ir_src); |
|---|
| 54 | break; |
|---|
| 55 | case CWIID_MESG_NUNCHUK: |
|---|
| 56 | memcpy(wiimote->state.ext.nunchuk.stick, |
|---|
| 57 | mesg->nunchuk_mesg.stick, |
|---|
| 58 | sizeof wiimote->state.ext.nunchuk.stick); |
|---|
| 59 | memcpy(wiimote->state.ext.nunchuk.acc, |
|---|
| 60 | mesg->nunchuk_mesg.acc, |
|---|
| 61 | sizeof wiimote->state.ext.nunchuk.acc); |
|---|
| 62 | wiimote->state.ext.nunchuk.buttons = mesg->nunchuk_mesg.buttons; |
|---|
| 63 | break; |
|---|
| 64 | case CWIID_MESG_CLASSIC: |
|---|
| 65 | memcpy(wiimote->state.ext.classic.l_stick, |
|---|
| 66 | mesg->classic_mesg.l_stick, |
|---|
| 67 | sizeof wiimote->state.ext.classic.l_stick); |
|---|
| 68 | memcpy(wiimote->state.ext.classic.r_stick, |
|---|
| 69 | mesg->classic_mesg.r_stick, |
|---|
| 70 | sizeof wiimote->state.ext.classic.r_stick); |
|---|
| 71 | wiimote->state.ext.classic.l = mesg->classic_mesg.l; |
|---|
| 72 | wiimote->state.ext.classic.r = mesg->classic_mesg.r; |
|---|
| 73 | wiimote->state.ext.classic.buttons = mesg->classic_mesg.buttons; |
|---|
| 74 | break; |
|---|
| 75 | case CWIID_MESG_BALANCE: |
|---|
| 76 | wiimote->state.ext.balance.right_top = mesg->balance_mesg.right_top; |
|---|
| 77 | wiimote->state.ext.balance.right_bottom = mesg->balance_mesg.right_bottom; |
|---|
| 78 | wiimote->state.ext.balance.left_top = mesg->balance_mesg.left_top; |
|---|
| 79 | wiimote->state.ext.balance.left_bottom = mesg->balance_mesg.left_bottom; |
|---|
| 80 | break; |
|---|
| 81 | case CWIID_MESG_MOTIONPLUS: |
|---|
| 82 | memcpy(wiimote->state.ext.motionplus.angle_rate, |
|---|
| 83 | mesg->motionplus_mesg.angle_rate, |
|---|
| 84 | sizeof wiimote->state.ext.motionplus.angle_rate); |
|---|
| 85 | memcpy(wiimote->state.ext.motionplus.low_speed, |
|---|
| 86 | mesg->motionplus_mesg.low_speed, |
|---|
| 87 | sizeof wiimote->state.ext.motionplus.low_speed); |
|---|
| 88 | break; |
|---|
| 89 | case CWIID_MESG_ERROR: |
|---|
| 90 | wiimote->state.error = mesg->error_mesg.error; |
|---|
| 91 | break; |
|---|
| 92 | case CWIID_MESG_UNKNOWN: |
|---|
| 93 | /* do nothing, error has already been printed */ |
|---|
| 94 | break; |
|---|
| 95 | } |
|---|
| 96 | } |
|---|
| 97 | |
|---|
| 98 | if (pthread_mutex_unlock(&wiimote->state_mutex)) { |
|---|
| 99 | cwiid_err(wiimote, "Mutex unlock error (state mutex) - " |
|---|
| 100 | "deadlock warning"); |
|---|
| 101 | return -1; |
|---|
| 102 | } |
|---|
| 103 | |
|---|
| 104 | return 0; |
|---|
| 105 | } |
|---|
| 106 | |
|---|
| 107 | /* IR Sensitivity Block */ |
|---|
| 108 | unsigned char ir_block1[] = MAX_SENSITIVITY_IR_BLOCK_1; |
|---|
| 109 | unsigned char ir_block2[] = MAX_SENSITIVITY_IR_BLOCK_2; |
|---|
| 110 | |
|---|
| 111 | struct write_seq ir_enable10_seq[] = { |
|---|
| 112 | {WRITE_SEQ_RPT, RPT_IR_ENABLE1, (const void *)"\x04", 1, 0}, |
|---|
| 113 | {WRITE_SEQ_RPT, RPT_IR_ENABLE2, (const void *)"\x04", 1, 0}, |
|---|
| 114 | {WRITE_SEQ_MEM, 0xB00030, (const void *)"\x08", 1, CWIID_RW_REG}, |
|---|
| 115 | {WRITE_SEQ_MEM, 0xB00000, ir_block1, sizeof(ir_block1)-1, CWIID_RW_REG}, |
|---|
| 116 | {WRITE_SEQ_MEM, 0xB0001A, ir_block2, sizeof(ir_block2)-1, CWIID_RW_REG}, |
|---|
| 117 | {WRITE_SEQ_MEM, 0xB00033, (const void *)"\x01", 1, CWIID_RW_REG} |
|---|
| 118 | }; |
|---|
| 119 | |
|---|
| 120 | struct write_seq ir_enable12_seq[] = { |
|---|
| 121 | {WRITE_SEQ_RPT, RPT_IR_ENABLE1, (const void *)"\x04", 1, 0}, |
|---|
| 122 | {WRITE_SEQ_RPT, RPT_IR_ENABLE2, (const void *)"\x04", 1, 0}, |
|---|
| 123 | {WRITE_SEQ_MEM, 0xB00030, (const void *)"\x08", 1, CWIID_RW_REG}, |
|---|
| 124 | {WRITE_SEQ_MEM, 0xB00000, ir_block1, sizeof(ir_block1)-1, CWIID_RW_REG}, |
|---|
| 125 | {WRITE_SEQ_MEM, 0xB0001A, ir_block2, sizeof(ir_block2)-1, CWIID_RW_REG}, |
|---|
| 126 | {WRITE_SEQ_MEM, 0xB00033, (const void *)"\x03", 1, CWIID_RW_REG} |
|---|
| 127 | }; |
|---|
| 128 | |
|---|
| 129 | struct write_seq ir_disable_seq[] = { |
|---|
| 130 | {WRITE_SEQ_RPT, RPT_IR_ENABLE1, (const void *)"\x00", 1, 0}, |
|---|
| 131 | {WRITE_SEQ_RPT, RPT_IR_ENABLE2, (const void *)"\x00", 1, 0} |
|---|
| 132 | }; |
|---|
| 133 | |
|---|
| 134 | #define RPT_MODE_BUF_LEN 2 |
|---|
| 135 | int update_rpt_mode(struct wiimote *wiimote, int8_t rpt_mode) |
|---|
| 136 | { |
|---|
| 137 | unsigned char buf[RPT_MODE_BUF_LEN]; |
|---|
| 138 | uint8_t rpt_type; |
|---|
| 139 | struct write_seq *ir_enable_seq; |
|---|
| 140 | int seq_len; |
|---|
| 141 | |
|---|
| 142 | /* rpt_mode = bitmask of requested report types */ |
|---|
| 143 | /* rpt_type = report id sent to the wiimote */ |
|---|
| 144 | if (pthread_mutex_lock(&wiimote->rpt_mutex)) { |
|---|
| 145 | cwiid_err(wiimote, "Mutex lock error (rpt mutex)"); |
|---|
| 146 | return -1; |
|---|
| 147 | } |
|---|
| 148 | |
|---|
| 149 | /* -1 updates the reporting mode using old rpt_mode |
|---|
| 150 | * (reporting type may change if extensions are |
|---|
| 151 | * plugged in/unplugged */ |
|---|
| 152 | if (rpt_mode == -1) { |
|---|
| 153 | rpt_mode = wiimote->state.rpt_mode; |
|---|
| 154 | } |
|---|
| 155 | |
|---|
| 156 | /* Pick a report mode based on report flags */ |
|---|
| 157 | if ((rpt_mode & CWIID_RPT_EXT) && |
|---|
| 158 | ((wiimote->state.ext_type == CWIID_EXT_NUNCHUK) || |
|---|
| 159 | (wiimote->state.ext_type == CWIID_EXT_CLASSIC) || |
|---|
| 160 | (wiimote->state.ext_type == CWIID_EXT_MOTIONPLUS))) { |
|---|
| 161 | if ((rpt_mode & CWIID_RPT_IR) && (rpt_mode & CWIID_RPT_ACC)) { |
|---|
| 162 | rpt_type = RPT_BTN_ACC_IR10_EXT6; |
|---|
| 163 | ir_enable_seq = ir_enable10_seq; |
|---|
| 164 | seq_len = SEQ_LEN(ir_enable10_seq); |
|---|
| 165 | } |
|---|
| 166 | else if (rpt_mode & CWIID_RPT_IR) { |
|---|
| 167 | rpt_type = RPT_BTN_IR10_EXT9; |
|---|
| 168 | ir_enable_seq = ir_enable10_seq; |
|---|
| 169 | seq_len = SEQ_LEN(ir_enable10_seq); |
|---|
| 170 | } |
|---|
| 171 | else if (rpt_mode & CWIID_RPT_ACC) { |
|---|
| 172 | rpt_type = RPT_BTN_ACC_EXT16; |
|---|
| 173 | } |
|---|
| 174 | else if (rpt_mode & CWIID_RPT_BTN) { |
|---|
| 175 | rpt_type = RPT_BTN_EXT8; |
|---|
| 176 | } |
|---|
| 177 | else { |
|---|
| 178 | rpt_type = RPT_EXT21; |
|---|
| 179 | } |
|---|
| 180 | } |
|---|
| 181 | else if ((rpt_mode & CWIID_RPT_EXT) && |
|---|
| 182 | wiimote->state.ext_type == CWIID_EXT_BALANCE) { |
|---|
| 183 | rpt_type = RPT_BTN_EXT8; |
|---|
| 184 | } |
|---|
| 185 | else { |
|---|
| 186 | if (rpt_mode & CWIID_RPT_IR) { |
|---|
| 187 | rpt_type = RPT_BTN_ACC_IR12; |
|---|
| 188 | ir_enable_seq = ir_enable12_seq; |
|---|
| 189 | seq_len = SEQ_LEN(ir_enable12_seq); |
|---|
| 190 | } |
|---|
| 191 | else if (rpt_mode & CWIID_RPT_ACC) { |
|---|
| 192 | rpt_type = RPT_BTN_ACC; |
|---|
| 193 | } |
|---|
| 194 | else { |
|---|
| 195 | rpt_type = RPT_BTN; |
|---|
| 196 | } |
|---|
| 197 | } |
|---|
| 198 | |
|---|
| 199 | /* Enable IR */ |
|---|
| 200 | /* TODO: only do this when necessary (record old IR mode) */ |
|---|
| 201 | if ((rpt_mode & CWIID_RPT_IR)) { |
|---|
| 202 | if (exec_write_seq(wiimote, seq_len, ir_enable_seq)) { |
|---|
| 203 | cwiid_err(wiimote, "IR enable error"); |
|---|
| 204 | return -1; |
|---|
| 205 | } |
|---|
| 206 | } |
|---|
| 207 | /* Disable IR */ |
|---|
| 208 | else if ((wiimote->state.rpt_mode & CWIID_RPT_IR) && |
|---|
| 209 | !(rpt_mode & CWIID_RPT_IR)) { |
|---|
| 210 | if (exec_write_seq(wiimote, SEQ_LEN(ir_disable_seq), ir_disable_seq)) { |
|---|
| 211 | cwiid_err(wiimote, "IR disable error"); |
|---|
| 212 | return -1; |
|---|
| 213 | } |
|---|
| 214 | } |
|---|
| 215 | |
|---|
| 216 | /* Send SET_REPORT */ |
|---|
| 217 | buf[0] = (wiimote->flags & CWIID_FLAG_CONTINUOUS) ? 0x04 : 0; |
|---|
| 218 | buf[1] = rpt_type; |
|---|
| 219 | if (cwiid_send_rpt(wiimote, 0, RPT_RPT_MODE, RPT_MODE_BUF_LEN, buf)) { |
|---|
| 220 | cwiid_err(wiimote, "Send report error (report mode)"); |
|---|
| 221 | return -1; |
|---|
| 222 | } |
|---|
| 223 | |
|---|
| 224 | /* clear state for unreported data */ |
|---|
| 225 | if (CWIID_RPT_BTN & ~rpt_mode & wiimote->state.rpt_mode) { |
|---|
| 226 | wiimote->state.buttons = 0; |
|---|
| 227 | } |
|---|
| 228 | if (CWIID_RPT_ACC & ~rpt_mode & wiimote->state.rpt_mode) { |
|---|
| 229 | memset(wiimote->state.acc, 0, sizeof wiimote->state.acc); |
|---|
| 230 | } |
|---|
| 231 | if (CWIID_RPT_IR & ~rpt_mode & wiimote->state.rpt_mode) { |
|---|
| 232 | memset(wiimote->state.ir_src, 0, sizeof wiimote->state.ir_src); |
|---|
| 233 | } |
|---|
| 234 | if ((wiimote->state.ext_type == CWIID_EXT_NUNCHUK) && |
|---|
| 235 | (CWIID_RPT_NUNCHUK & ~rpt_mode & wiimote->state.rpt_mode)) { |
|---|
| 236 | memset(&wiimote->state.ext, 0, sizeof wiimote->state.ext); |
|---|
| 237 | } |
|---|
| 238 | else if ((wiimote->state.ext_type == CWIID_EXT_CLASSIC) && |
|---|
| 239 | (CWIID_RPT_CLASSIC & ~rpt_mode & wiimote->state.rpt_mode)) { |
|---|
| 240 | memset(&wiimote->state.ext, 0, sizeof wiimote->state.ext); |
|---|
| 241 | } |
|---|
| 242 | else if ((wiimote->state.ext_type == CWIID_EXT_BALANCE) && |
|---|
| 243 | (CWIID_RPT_BALANCE & ~rpt_mode & wiimote->state.rpt_mode)) { |
|---|
| 244 | memset(&wiimote->state.ext, 0, sizeof wiimote->state.ext); |
|---|
| 245 | } |
|---|
| 246 | else if ((wiimote->state.ext_type == CWIID_EXT_MOTIONPLUS) && |
|---|
| 247 | (CWIID_RPT_MOTIONPLUS & ~rpt_mode & wiimote->state.rpt_mode)) { |
|---|
| 248 | memset(&wiimote->state.ext, 0, sizeof wiimote->state.ext); |
|---|
| 249 | } |
|---|
| 250 | |
|---|
| 251 | wiimote->state.rpt_mode = rpt_mode; |
|---|
| 252 | |
|---|
| 253 | if (pthread_mutex_unlock(&wiimote->rpt_mutex)) { |
|---|
| 254 | cwiid_err(wiimote, "Mutex unlock error (rpt mutex) - " |
|---|
| 255 | "deadlock warning"); |
|---|
| 256 | return -1; |
|---|
| 257 | } |
|---|
| 258 | |
|---|
| 259 | return 0; |
|---|
| 260 | } |
|---|