| 1 | /* Copyright (C) 2007 L. Donnie Smith <donnie.smith@gatech.edu> |
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| 2 | * |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 16 | * |
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| 17 | */ |
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| 18 | |
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| 19 | #include <unistd.h> |
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| 20 | #include "cwiid_internal.h" |
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| 21 | |
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| 22 | int process_error(struct wiimote *wiimote, ssize_t len, struct mesg_array *ma) |
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| 23 | { |
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| 24 | struct cwiid_error_mesg *error_mesg; |
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| 25 | |
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| 26 | error_mesg = &ma->array[ma->count++].error_mesg; |
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| 27 | error_mesg->type = CWIID_MESG_ERROR; |
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| 28 | if (len == 0) { |
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| 29 | error_mesg->error = CWIID_ERROR_DISCONNECT; |
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| 30 | } |
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| 31 | else { |
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| 32 | error_mesg->error = CWIID_ERROR_COMM; |
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| 33 | } |
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| 34 | |
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| 35 | if (cancel_rw(wiimote)) { |
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| 36 | cwiid_err(wiimote, "RW cancel error"); |
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| 37 | } |
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| 38 | |
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| 39 | return 0; |
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| 40 | } |
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| 41 | |
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| 42 | int process_status(struct wiimote *wiimote, const unsigned char *data, |
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| 43 | struct mesg_array *ma) |
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| 44 | { |
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| 45 | struct cwiid_status_mesg status_mesg; |
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| 46 | |
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| 47 | status_mesg.type = CWIID_MESG_STATUS; |
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| 48 | status_mesg.battery = data[5]; |
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| 49 | if (data[2] & 0x02) { |
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| 50 | /* status_thread will figure out what it is */ |
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| 51 | status_mesg.ext_type = CWIID_EXT_UNKNOWN; |
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| 52 | } |
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| 53 | else { |
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| 54 | status_mesg.ext_type = CWIID_EXT_NONE; |
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| 55 | } |
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| 56 | |
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| 57 | if (write(wiimote->status_pipe[1], &status_mesg, sizeof status_mesg) |
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| 58 | != sizeof status_mesg) { |
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| 59 | cwiid_err(wiimote, "Status pipe write error"); |
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| 60 | return -1; |
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| 61 | } |
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| 62 | |
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| 63 | return 0; |
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| 64 | } |
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| 65 | |
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| 66 | int process_btn(struct wiimote *wiimote, const unsigned char *data, |
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| 67 | struct mesg_array *ma) |
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| 68 | { |
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| 69 | struct cwiid_btn_mesg *btn_mesg; |
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| 70 | uint16_t buttons; |
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| 71 | |
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| 72 | buttons = (data[0] & BTN_MASK_0)<<8 | |
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| 73 | (data[1] & BTN_MASK_1); |
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| 74 | if (wiimote->state.rpt_mode & CWIID_RPT_BTN) { |
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| 75 | if ((wiimote->state.buttons != buttons) || |
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| 76 | (wiimote->flags & CWIID_FLAG_REPEAT_BTN)) { |
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| 77 | btn_mesg = &ma->array[ma->count++].btn_mesg; |
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| 78 | btn_mesg->type = CWIID_MESG_BTN; |
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| 79 | btn_mesg->buttons = buttons; |
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| 80 | } |
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| 81 | } |
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| 82 | |
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| 83 | return 0; |
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| 84 | } |
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| 85 | |
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| 86 | int process_acc(struct wiimote *wiimote, const unsigned char *data, |
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| 87 | struct mesg_array *ma) |
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| 88 | { |
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| 89 | struct cwiid_acc_mesg *acc_mesg; |
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| 90 | |
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| 91 | if (wiimote->state.rpt_mode & CWIID_RPT_ACC) { |
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| 92 | acc_mesg = &ma->array[ma->count++].acc_mesg; |
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| 93 | acc_mesg->type = CWIID_MESG_ACC; |
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| 94 | acc_mesg->acc[CWIID_X] = data[0]; |
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| 95 | acc_mesg->acc[CWIID_Y] = data[1]; |
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| 96 | acc_mesg->acc[CWIID_Z] = data[2]; |
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| 97 | } |
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| 98 | |
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| 99 | return 0; |
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| 100 | } |
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| 101 | |
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| 102 | int process_ir10(struct wiimote *wiimote, const unsigned char *data, |
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| 103 | struct mesg_array *ma) |
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| 104 | { |
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| 105 | struct cwiid_ir_mesg *ir_mesg; |
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| 106 | int i; |
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| 107 | const unsigned char *block; |
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| 108 | |
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| 109 | if (wiimote->state.rpt_mode & CWIID_RPT_IR) { |
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| 110 | ir_mesg = &ma->array[ma->count++].ir_mesg; |
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| 111 | ir_mesg->type = CWIID_MESG_IR; |
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| 112 | |
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| 113 | for (i=0, block=data; i < CWIID_IR_SRC_COUNT; i+=2, block+=5) { |
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| 114 | if (block[0] == 0xFF) { |
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| 115 | ir_mesg->src[i].valid = 0; |
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| 116 | } |
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| 117 | else { |
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| 118 | ir_mesg->src[i].valid = 1; |
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| 119 | ir_mesg->src[i].pos[CWIID_X] = ((uint16_t)block[2] & 0x30)<<4 | |
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| 120 | (uint16_t)block[0]; |
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| 121 | ir_mesg->src[i].pos[CWIID_Y] = ((uint16_t)block[2] & 0xC0)<<2 | |
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| 122 | (uint16_t)block[1]; |
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| 123 | ir_mesg->src[i].size = -1; |
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| 124 | } |
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| 125 | |
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| 126 | if (block[3] == 0xFF) { |
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| 127 | ir_mesg->src[i+1].valid = 0; |
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| 128 | } |
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| 129 | else { |
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| 130 | ir_mesg->src[i+1].valid = 1; |
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| 131 | ir_mesg->src[i+1].pos[CWIID_X] = |
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| 132 | ((uint16_t)block[2] & 0x03)<<8 | |
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| 133 | (uint16_t)block[3]; |
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| 134 | ir_mesg->src[i+1].pos[CWIID_Y] = |
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| 135 | ((uint16_t)block[2] & 0x0C)<<6 | |
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| 136 | (uint16_t)block[4]; |
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| 137 | ir_mesg->src[i+1].size = -1; |
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| 138 | } |
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| 139 | } |
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| 140 | } |
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| 141 | |
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| 142 | return 0; |
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| 143 | } |
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| 144 | |
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| 145 | int process_ir12(struct wiimote *wiimote, const unsigned char *data, |
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| 146 | struct mesg_array *ma) |
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| 147 | { |
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| 148 | struct cwiid_ir_mesg *ir_mesg; |
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| 149 | int i; |
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| 150 | const unsigned char *block; |
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| 151 | |
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| 152 | if (wiimote->state.rpt_mode & CWIID_RPT_IR) { |
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| 153 | ir_mesg = &ma->array[ma->count++].ir_mesg; |
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| 154 | ir_mesg->type = CWIID_MESG_IR; |
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| 155 | |
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| 156 | for (i=0, block=data; i < CWIID_IR_SRC_COUNT; i++, block+=3) { |
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| 157 | if (block[0] == 0xFF) { |
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| 158 | ir_mesg->src[i].valid = 0; |
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| 159 | } |
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| 160 | else { |
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| 161 | ir_mesg->src[i].valid = 1; |
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| 162 | ir_mesg->src[i].pos[CWIID_X] = ((uint16_t)block[2] & 0x30)<<4 | |
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| 163 | (uint16_t)block[0]; |
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| 164 | ir_mesg->src[i].pos[CWIID_Y] = ((uint16_t)block[2] & 0xC0)<<2 | |
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| 165 | (uint16_t)block[1]; |
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| 166 | ir_mesg->src[i].size = block[2] & 0x0F; |
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| 167 | } |
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| 168 | } |
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| 169 | } |
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| 170 | |
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| 171 | return 0; |
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| 172 | } |
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| 173 | |
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| 174 | int process_ext(struct wiimote *wiimote, unsigned char *data, |
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| 175 | unsigned char len, struct mesg_array *ma) |
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| 176 | { |
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| 177 | struct cwiid_nunchuk_mesg *nunchuk_mesg; |
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| 178 | struct cwiid_classic_mesg *classic_mesg; |
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| 179 | struct cwiid_balance_mesg *balance_mesg; |
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| 180 | struct cwiid_motionplus_mesg *motionplus_mesg; |
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| 181 | int i; |
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| 182 | |
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| 183 | switch (wiimote->state.ext_type) { |
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| 184 | case CWIID_EXT_NONE: |
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| 185 | cwiid_err(wiimote, "Received unexpected extension report"); |
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| 186 | break; |
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| 187 | case CWIID_EXT_UNKNOWN: |
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| 188 | break; |
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| 189 | case CWIID_EXT_NUNCHUK: |
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| 190 | if (wiimote->state.rpt_mode & CWIID_RPT_NUNCHUK) { |
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| 191 | nunchuk_mesg = &ma->array[ma->count++].nunchuk_mesg; |
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| 192 | nunchuk_mesg->type = CWIID_MESG_NUNCHUK; |
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| 193 | nunchuk_mesg->stick[CWIID_X] = data[0]; |
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| 194 | nunchuk_mesg->stick[CWIID_Y] = data[1]; |
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| 195 | nunchuk_mesg->acc[CWIID_X] = data[2]; |
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| 196 | nunchuk_mesg->acc[CWIID_Y] = data[3]; |
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| 197 | nunchuk_mesg->acc[CWIID_Z] = data[4]; |
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| 198 | nunchuk_mesg->buttons = ~data[5] & NUNCHUK_BTN_MASK; |
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| 199 | } |
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| 200 | break; |
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| 201 | case CWIID_EXT_CLASSIC: |
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| 202 | if (wiimote->state.rpt_mode & CWIID_RPT_CLASSIC) { |
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| 203 | classic_mesg = &ma->array[ma->count++].classic_mesg; |
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| 204 | classic_mesg->type = CWIID_MESG_CLASSIC; |
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| 205 | |
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| 206 | for (i=0; i < 6; i++) { |
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| 207 | data[i] = data[i]; |
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| 208 | } |
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| 209 | |
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| 210 | classic_mesg->l_stick[CWIID_X] = data[0] & 0x3F; |
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| 211 | classic_mesg->l_stick[CWIID_Y] = data[1] & 0x3F; |
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| 212 | classic_mesg->r_stick[CWIID_X] = (data[0] & 0xC0)>>3 | |
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| 213 | (data[1] & 0xC0)>>5 | |
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| 214 | (data[2] & 0x80)>>7; |
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| 215 | classic_mesg->r_stick[CWIID_Y] = data[2] & 0x1F; |
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| 216 | classic_mesg->l = (data[2] & 0x60)>>2 | |
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| 217 | (data[3] & 0xE0)>>5; |
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| 218 | classic_mesg->r = data[3] & 0x1F; |
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| 219 | classic_mesg->buttons = ~((uint16_t)data[4]<<8 | |
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| 220 | (uint16_t)data[5]); |
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| 221 | } |
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| 222 | break; |
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| 223 | case CWIID_EXT_BALANCE: |
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| 224 | if (wiimote->state.rpt_mode & CWIID_RPT_BALANCE) { |
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| 225 | balance_mesg = &ma->array[ma->count++].balance_mesg; |
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| 226 | balance_mesg->type = CWIID_MESG_BALANCE; |
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| 227 | balance_mesg->right_top = ((uint16_t)data[0]<<8 | |
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| 228 | (uint16_t)data[1]); |
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| 229 | balance_mesg->right_bottom = ((uint16_t)data[2]<<8 | |
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| 230 | (uint16_t)data[3]); |
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| 231 | balance_mesg->left_top = ((uint16_t)data[4]<<8 | |
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| 232 | (uint16_t)data[5]); |
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| 233 | balance_mesg->left_bottom = ((uint16_t)data[6]<<8 | |
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| 234 | (uint16_t)data[7]); |
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| 235 | } |
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| 236 | break; |
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| 237 | case CWIID_EXT_MOTIONPLUS: |
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| 238 | if (wiimote->state.rpt_mode & CWIID_RPT_MOTIONPLUS) { |
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| 239 | motionplus_mesg = &ma->array[ma->count++].motionplus_mesg; |
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| 240 | motionplus_mesg->type = CWIID_MESG_MOTIONPLUS; |
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| 241 | motionplus_mesg->angle_rate[CWIID_PHI] = ((uint16_t)data[5] & 0xFC)<<6 | |
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| 242 | (uint16_t)data[2]; |
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| 243 | motionplus_mesg->angle_rate[CWIID_THETA] = ((uint16_t)data[4] & 0xFC)<<6 | |
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| 244 | (uint16_t)data[1]; |
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| 245 | motionplus_mesg->angle_rate[CWIID_PSI] = ((uint16_t)data[3] & 0xFC)<<6 | |
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| 246 | (uint16_t)data[0]; |
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| 247 | motionplus_mesg->low_speed[CWIID_PHI] = ((uint8_t)data[3] & 0x01); |
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| 248 | motionplus_mesg->low_speed[CWIID_THETA] = ((uint8_t)data[4] & 0x02)>>1; |
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| 249 | motionplus_mesg->low_speed[CWIID_PSI] = ((uint8_t)data[3] & 0x02)>>1; |
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| 250 | } |
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| 251 | break; |
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| 252 | } |
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| 253 | |
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| 254 | return 0; |
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| 255 | } |
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| 256 | |
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| 257 | int process_read(struct wiimote *wiimote, unsigned char *data) |
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| 258 | { |
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| 259 | struct rw_mesg rw_mesg; |
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| 260 | |
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| 261 | if (wiimote->rw_status != RW_READ) { |
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| 262 | cwiid_err(wiimote, "Received unexpected read report"); |
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| 263 | return -1; |
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| 264 | } |
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| 265 | |
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| 266 | rw_mesg.type = RW_READ; |
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| 267 | rw_mesg.len = (data[0]>>4)+1; |
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| 268 | rw_mesg.error = data[0] & 0x0F; |
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| 269 | memcpy(&rw_mesg.data, data+3, rw_mesg.len); |
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| 270 | |
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| 271 | if (write(wiimote->rw_pipe[1], &rw_mesg, sizeof rw_mesg) != |
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| 272 | sizeof rw_mesg) { |
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| 273 | cwiid_err(wiimote, "RW pipe write error"); |
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| 274 | return -1; |
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| 275 | } |
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| 276 | |
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| 277 | return 0; |
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| 278 | } |
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| 279 | |
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| 280 | int process_write(struct wiimote *wiimote, unsigned char *data) |
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| 281 | { |
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| 282 | struct rw_mesg rw_mesg; |
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| 283 | |
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| 284 | if (wiimote->rw_status != RW_WRITE) { |
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| 285 | cwiid_err(wiimote, "Received unexpected write report"); |
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| 286 | return -1; |
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| 287 | } |
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| 288 | |
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| 289 | rw_mesg.type = RW_WRITE; |
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| 290 | rw_mesg.error = data[0]; |
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| 291 | |
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| 292 | if (write(wiimote->rw_pipe[1], &rw_mesg, sizeof rw_mesg) != |
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| 293 | sizeof rw_mesg) { |
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| 294 | cwiid_err(wiimote, "RW pipe write error"); |
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| 295 | return -1; |
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| 296 | } |
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| 297 | |
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| 298 | return 0; |
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| 299 | } |
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