Mercurial > louis > kiibohd-controller

annotate Output/pjrcUSB/arm/usb_mouse.c @ 369:ce9720634c15

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Forgot to add these files in an earlier commit
author Jacob Alexander <haata@kiibohd.com>
date Fri, 21 Aug 2015 18:26:46 -0700
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children 970dab727f47
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369
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1 /* Teensyduino Core Library
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2 * http://www.pjrc.com/teensy/
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3 * Copyright (c) 2013 PJRC.COM, LLC.
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4 * Modified by Jacob Alexander (2015)
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5 *
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6 * Permission is hereby granted, free of charge, to any person obtaining
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7 * a copy of this software and associated documentation files (the
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8 * "Software"), to deal in the Software without restriction, including
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9 * without limitation the rights to use, copy, modify, merge, publish,
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10 * distribute, sublicense, and/or sell copies of the Software, and to
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11 * permit persons to whom the Software is furnished to do so, subject to
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12 * the following conditions:
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13 *
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14 * 1. The above copyright notice and this permission notice shall be
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15 * included in all copies or substantial portions of the Software.
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16 *
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17 * 2. If the Software is incorporated into a build system that allows
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18 * selection among a list of target devices, then similar target
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19 * devices manufactured by PJRC.COM must be included in the list of
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20 * target devices and selectable in the same manner.
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21 *
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22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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23 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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25 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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26 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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27 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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28 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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29 * SOFTWARE.
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30 */
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31
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32 // ----- Includes -----
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33
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34 // Compiler Includes
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35 #include <string.h> // for memcpy()
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36
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37 // Project Includes
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38 #include <Lib/OutputLib.h>
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39 #include <print.h>
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40
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41 // Local Includes
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42 #include "usb_dev.h"
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43 #include "usb_mouse.h"
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44
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45
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46
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47 // ----- Defines -----
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48
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49 // Maximum number of transmit packets to queue so we don't starve other endpoints for memory
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50 #define TX_PACKET_LIMIT 3
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51
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52 // When the PC isn't listening, how long do we wait before discarding data?
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53 #define TX_TIMEOUT_MSEC 30
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54
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55 #if F_CPU == 168000000
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56 #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 1100)
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57 #elif F_CPU == 144000000
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58 #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 932)
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59 #elif F_CPU == 120000000
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60 #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 764)
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61 #elif F_CPU == 96000000
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62 #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 596)
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63 #elif F_CPU == 72000000
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64 #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 512)
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65 #elif F_CPU == 48000000
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66 #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 428)
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67 #elif F_CPU == 24000000
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68 #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 262)
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69 #endif
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70
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71 //#define DEFAULT_XRES 640
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72 //#define DEFAULT_YRES 480
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73
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74 //#define DEFAULT_XRES 800
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75 //#define DEFAULT_YRES 600
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76
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77 //#define DEFAULT_XRES 1024
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78 //#define DEFAULT_YRES 768
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79
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80 //#define DEFAULT_XRES 1280
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81 //#define DEFAULT_YRES 720
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82
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83 //#define DEFAULT_XRES 1280
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84 //#define DEFAULT_YRES 800
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85
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86 #define DEFAULT_XRES 1366
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87 #define DEFAULT_YRES 768
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88
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89 //#define DEFAULT_XRES 1440
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90 //#define DEFAULT_YRES 900
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91
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92 //#define DEFAULT_XRES 1920
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93 //#define DEFAULT_YRES 1080
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94
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95 //#define DEFAULT_XRES 2560
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96 //#define DEFAULT_YRES 1440
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97
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98 //#define DEFAULT_XRES 2560
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99 //#define DEFAULT_YRES 1600
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100
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101 //#define DEFAULT_XRES 2880
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102 //#define DEFAULT_YRES 1800
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103
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104 //#define DEFAULT_XRES 3840
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105 //#define DEFAULT_YRES 2160
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106
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107 //#define DEFAULT_XRES 7680
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108 //#define DEFAULT_YRES 4320
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109
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110
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111 #define DEFAULT_XSCALE ((0x80000000ul+DEFAULT_XRES/2)/DEFAULT_XRES)
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112 #define DEFAULT_YSCALE ((0x80000000ul+DEFAULT_YRES/2)/DEFAULT_YRES)
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113
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114
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115
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116 // ----- Variables -----
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117
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118 // which buttons are currently pressed
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119 uint8_t usb_mouse_buttons_state=0;
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120
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121 static uint16_t usb_mouse_resolution_x=DEFAULT_XRES;
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122 static uint16_t usb_mouse_resolution_y=DEFAULT_YRES;
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123 static uint16_t usb_mouse_position_x=DEFAULT_XRES/2;
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124 static uint16_t usb_mouse_position_y=DEFAULT_YRES/2;
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125 static uint32_t usb_mouse_scale_x=DEFAULT_XSCALE;
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126 static uint32_t usb_mouse_scale_y=DEFAULT_YSCALE;
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127 static uint32_t usb_mouse_offset_x=DEFAULT_XSCALE/2-1;
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128 static uint32_t usb_mouse_offset_y=DEFAULT_YSCALE/2-1;
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129
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130
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131
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132 // ----- Functions -----
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133
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134 // Set the mouse buttons. To create a "click", 2 calls are needed,
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135 // one to push the button down and the second to release it
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136 int usb_mouse_buttons(uint8_t left, uint8_t middle, uint8_t right)
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137 {
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138 uint8_t mask=0;
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139
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140 if (left) mask |= 1;
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141 if (middle) mask |= 4;
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142 if (right) mask |= 2;
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143 usb_mouse_buttons_state = mask;
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144 return usb_mouse_move(0, 0, 0);
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145 }
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146
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147
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148 static uint8_t transmit_previous_timeout=0;
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149
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150 // Move the mouse. x, y and wheel are -127 to 127. Use 0 for no movement.
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151 int usb_mouse_move(int8_t x, int8_t y, int8_t wheel)
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152 {
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153 uint32_t wait_count=0;
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154 usb_packet_t *tx_packet;
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155
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156 //serial_print("move");
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157 //serial_print("\n");
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158 if (x == -128) x = -127;
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159 if (y == -128) y = -127;
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160 if (wheel == -128) wheel = -127;
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161
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162 while (1) {
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163 if (!usb_configuration) {
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164 return -1;
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165 }
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166 if (usb_tx_packet_count(MOUSE_ENDPOINT) < TX_PACKET_LIMIT) {
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167 tx_packet = usb_malloc();
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168 if (tx_packet) break;
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169 }
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170 if (++wait_count > TX_TIMEOUT || transmit_previous_timeout) {
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171 transmit_previous_timeout = 1;
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172 return -1;
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173 }
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174 yield();
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175 }
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176 transmit_previous_timeout = 0;
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177 *(tx_packet->buf + 0) = 1;
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178 *(tx_packet->buf + 1) = usb_mouse_buttons_state;
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179 *(tx_packet->buf + 2) = x;
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180 *(tx_packet->buf + 3) = y;
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181 *(tx_packet->buf + 4) = wheel;
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182 tx_packet->len = 5;
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183 usb_tx(MOUSE_ENDPOINT, tx_packet);
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184 return 0;
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185 }
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186
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187 int usb_mouse_position(uint16_t x, uint16_t y)
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188 {
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189 uint32_t wait_count=0, val32;
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190 usb_packet_t *tx_packet;
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191
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192 if (x >= usb_mouse_resolution_x) x = usb_mouse_resolution_x - 1;
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193 usb_mouse_position_x = x;
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194 if (y >= usb_mouse_resolution_y) y = usb_mouse_resolution_y - 1;
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195 usb_mouse_position_y = y;
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196
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197 while (1) {
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198 if (!usb_configuration) {
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199 return -1;
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200 }
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201 if (usb_tx_packet_count(MOUSE_ENDPOINT) < TX_PACKET_LIMIT) {
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202 tx_packet = usb_malloc();
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203 if (tx_packet) break;
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204 }
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205 if (++wait_count > TX_TIMEOUT || transmit_previous_timeout) {
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206 transmit_previous_timeout = 1;
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207 return -1;
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208 }
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209 yield();
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210 }
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211 transmit_previous_timeout = 0;
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212 *(tx_packet->buf + 0) = 2;
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213 val32 = usb_mouse_position_x * usb_mouse_scale_x + usb_mouse_offset_x;
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214 //serial_print("position:");
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215 //serial_phex16(usb_mouse_position_x);
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216 //serial_print("->");
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217 //serial_phex32(val32);
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218 *(tx_packet->buf + 1) = val32 >> 16;
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219 *(tx_packet->buf + 2) = val32 >> 24;
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220 val32 = usb_mouse_position_y * usb_mouse_scale_y + usb_mouse_offset_y;
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221 //serial_print(",");
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222 //serial_phex16(usb_mouse_position_y);
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223 //serial_print("->");
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224 //serial_phex32(val32);
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225 //serial_print("\n");
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226 *(tx_packet->buf + 3) = val32 >> 16;
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227 *(tx_packet->buf + 4) = val32 >> 24;
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228 tx_packet->len = 5;
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229 usb_tx(MOUSE_ENDPOINT, tx_packet);
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230 return 0;
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231 }
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232
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233 void usb_mouse_screen_size(uint16_t width, uint16_t height, uint8_t mac)
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234 {
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235 if (width < 128) width = 128;
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236 else if (width > 7680) width = 7680;
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237 if (height < 128) height = 128;
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238 else if (height > 7680) height = 7680;
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239 usb_mouse_resolution_x = width;
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240 usb_mouse_resolution_y = height;
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241 usb_mouse_position_x = width / 2;
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242 usb_mouse_position_y = height / 2;
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243 usb_mouse_scale_x = (0x80000000ul + (width >> 1)) / width;
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244 usb_mouse_scale_y = (0x80000000ul + (height >> 1)) / height;
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245 usb_mouse_offset_x = (usb_mouse_scale_x >> 1) - 1;
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246 usb_mouse_offset_y = (usb_mouse_scale_y >> 1) - 1;
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247 if (mac) {
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248 // ugly workaround for Mac's HID coordinate scaling:
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249 // http://lists.apple.com/archives/usb/2011/Jun/msg00032.html
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250 usb_mouse_offset_x += 161061273ul;
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251 usb_mouse_offset_y += 161061273ul;
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252 usb_mouse_scale_x = (1825361101ul + (width >> 1)) / width;
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253 usb_mouse_scale_y = (1825361101ul + (height >> 1)) / height;
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254 }
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255 }
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256