Mercurial > louis > kiibohd-controller

annotate main.c @ 2:c3b2eaa4a89d

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Significant progress made. - Only need to decode a bunch more of the matrix to get the proper key assignments - All of the infrastructure is in place for decoding like matrices for the teensy
author Jacob Alexander <triplehaata@gmail.com>
date Wed, 09 Mar 2011 22:49:34 -0800
parents 0f88e9aad77a
children 7b9bde7ba7ef
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Jacob Alexander <triplehaata@gmail.com>
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1 /* Copyright (C) 2011 by Jacob Alexander
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to deal
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5 * in the Software without restriction, including without limitation the rights
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6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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7 * copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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19 * THE SOFTWARE.
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20 */
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21
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22 #include <avr/io.h>
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23 #include <avr/pgmspace.h>
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24 #include <avr/interrupt.h>
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25 #include <util/delay.h>
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26 //#include "usb_keyboard.h"
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27
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28 // TEMP INCLUDES
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29 #include "usb_keyboard_debug.h"
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30 #include <print.h>
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31
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32 #define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
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33
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34 // Sleep defined in milliseconds
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35 #define PRE_DRIVE_SLEEP 50
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36 #define POST_DRIVE_SLEEP 50
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37
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38
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39 #define DRIVE_reg_1 PORTB
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40 #define DRIVE_reg_2 PORTB
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41 #define DRIVE_reg_3 PORTB
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42 #define DRIVE_reg_4 PORTC
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43 #define DRIVE_reg_5 PORTE
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44 #define DRIVE_reg_6 PORTE
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45 #define DRIVE_reg_7 PORTF
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46 #define DRIVE_reg_8 PORTF
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47 #define DRIVE_reg_9 PORTF
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48 #define DRIVE_reg_10 <blank>
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49 #define DRIVE_reg_11 <blank>
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50 #define DRIVE_reg_12 <blank>
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51
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52 #define DRIVE_pin_1 0
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53 #define DRIVE_pin_2 1
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54 #define DRIVE_pin_3 2
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55 #define DRIVE_pin_4 7
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56 #define DRIVE_pin_5 6
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57 #define DRIVE_pin_6 7
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58 #define DRIVE_pin_7 0
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59 #define DRIVE_pin_8 4
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60 #define DRIVE_pin_9 5
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61 #define DRIVE_pin_10 <blank>
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62 #define DRIVE_pin_11 <blank>
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63 #define DRIVE_pin_12 <blank>
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64
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65 #define DETECT_group_1 1
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66 #define DETECT_group_2 2
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67 #define DETECT_group_3 3
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68 #define DETECT_group_4 4
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69 #define DETECT_group_5 5
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70 #define DETECT_group_6 6
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71 #define DETECT_group_7 7
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72 #define DETECT_group_8 8
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73 #define DETECT_group_9 9
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74 #define DETECT_group_10 <blank>
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75 #define DETECT_group_11 <blank>
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76 #define DETECT_group_12 <blank>
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77
2
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78 #define DETECT_group_size_1 7
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79 #define DETECT_group_size_2 8
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80 #define DETECT_group_size_3 8
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81 #define DETECT_group_size_4 4
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82 #define DETECT_group_size_5 8
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83 #define DETECT_group_size_6 7
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84 #define DETECT_group_size_7 7
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85 #define DETECT_group_size_8 6
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86 #define DETECT_group_size_9 7
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87 #define DETECT_group_size_10 <blank>
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88 #define DETECT_group_size_11 <blank>
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89 #define DETECT_group_size_12 <blank>
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90
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91 #define DETECT_group_array_1 {{KEY_SLASH,KEY_RIGHT_BRACE,KEY_ENTER,KEY_D,KEY_2,KEY_Q,KEY_C},{0,0,0,0,0,0,0}}
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92 #define DETECT_group_array_2 {{KEY_TILDE,KEY_DELETE,KEY_LEFT,KEY_SPACE,KEY_X,KEY_S,KEY_TAB,KEY_1},{0,0,0,0,0,0,0,0}}
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93 #define DETECT_group_array_3 {{KEY_BACKSPACE,KEY_UP,KEY_DOWN,KEY_A,KEY_INSERT,KEY_ALT,KEY_Z,KEY_RIGHT},{0,0,0,0,0,1,0,0}}
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94 #define DETECT_group_array_4 {{KEY_ESC ,KEY_CTRL,KEY_CAPS_LOCK,KEY_SHIFT} ,{0,1,0,1}}
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95 #define DETECT_group_array_5 0
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96 #define DETECT_group_array_6 0
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97 #define DETECT_group_array_7 {{KEY_L ,KEY_O ,KEY_0 ,KEY_N ,KEY_H,KEY_R,KEY_5},{0,0,0,0,0,0,0}}
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98 #define DETECT_group_array_8 0
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99 #define DETECT_group_array_9 0
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100 #define DETECT_group_array_10 <blank>
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101 #define DETECT_group_array_11 <blank>
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102 #define DETECT_group_array_12 <blank>
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103
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104
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105
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106
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107
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108
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109
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110 // XXX Change number of ORDs if number of lines differ
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111 #define DD_LOOP \
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112 for ( int c = 1;; c++ ) { \
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113 switch ( c ) { \
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114 DD_CASE_ORD(1) \
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115 DD_CASE_ORD(2) \
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116 DD_CASE_ORD(3) \
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117 DD_CASE_END(4,c) \
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118 } \
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119 }
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120
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121 #define DRIVE_DETECT(reg,pin,group) \
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122 reg &= ~(1 << pin); \
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123 detection(group); \
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124 reg |= (1 << pin); \
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125 _delay_ms(POST_DRIVE_SLEEP);
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126
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127 #define DD_CASE(number) \
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128 case number:\
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129 DRIVE_DETECT(DRIVE_reg##_##number, DRIVE_pin##_##number, DETECT_group##_##number)
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130
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131 #define DD_CASE_ORD(number) \
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132 DD_CASE(number) \
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133 break;
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134
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135 #define DD_CASE_END(number,var) \
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136 DD_CASE(number) \
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137 var = -1; \
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138 break;
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139
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140 // Determine if key is either normal or a modifier
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141 #define DET_GROUP_CHECK(index) \
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142 { \
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143 if ( groupArray[1][index] ) \
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144 curDetect.modifiers |= groupArray[0][index]; \
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145 else \
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146 curDetect.keyDetectArray[curDetect.keyDetectCount++] = groupArray[0][index]; \
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147 }
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148
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diff changeset
149 // XXX - Detection Groups
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150 // Checks each of the specified pins, and then if press detected, determine if the key is normal or a modifier
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151 // Inverse logic applies for the PINs
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152
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153 // Used for 1 detection group
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154 #define DET_GROUP_1 \
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155 if ( !( PINB & (1 << 3) ) ) \
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156 DET_GROUP_CHECK(3) \
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157 if ( !( PINF & (1 << 1) ) ) \
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158 DET_GROUP_CHECK(2) \
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Jacob Alexander <triplehaata@gmail.com>
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159 if ( !( PINF & (1 << 2) ) ) \
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160 DET_GROUP_CHECK(1) \
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161 if ( !( PINF & (1 << 3) ) ) \
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162 DET_GROUP_CHECK(0)
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163
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164 // Used for 4 detection groups
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165 #define DET_GROUP_2 \
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166 if ( !( PINC & (1 << 0) ) ) \
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167 DET_GROUP_CHECK(0) \
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168 if ( !( PINC & (1 << 1) ) ) \
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169 DET_GROUP_CHECK(1) \
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170 if ( !( PINC & (1 << 2) ) ) \
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171 DET_GROUP_CHECK(2) \
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172 if ( !( PINC & (1 << 3) ) ) \
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173 DET_GROUP_CHECK(3) \
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174 if ( !( PINC & (1 << 4) ) ) \
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175 DET_GROUP_CHECK(4) \
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176 if ( !( PINC & (1 << 5) ) ) \
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177 DET_GROUP_CHECK(5) \
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178 if ( !( PINC & (1 << 6) ) ) \
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179 DET_GROUP_CHECK(6) \
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180
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181 // Used for 1 detection group
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182 #define DET_GROUP_3 \
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183 if ( !( PINC & (1 << 0) ) ) \
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184 DET_GROUP_CHECK(0) \
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185 if ( !( PINC & (1 << 1) ) ) \
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186 DET_GROUP_CHECK(1) \
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187 if ( !( PINC & (1 << 2) ) ) \
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188 DET_GROUP_CHECK(3) \
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189 if ( !( PINC & (1 << 4) ) ) \
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190 DET_GROUP_CHECK(4) \
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191 if ( !( PINC & (1 << 5) ) ) \
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192 DET_GROUP_CHECK(5) \
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193 if ( !( PINC & (1 << 6) ) ) \
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194 DET_GROUP_CHECK(6) \
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195
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196 // Used for 3 detection groups
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197 #define DET_GROUP_4 \
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198 if ( !( PINC & (1 << 0) ) ) \
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199 DET_GROUP_CHECK(0) \
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200 if ( !( PINC & (1 << 1) ) ) \
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201 DET_GROUP_CHECK(1) \
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202 if ( !( PINC & (1 << 2) ) ) \
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203 DET_GROUP_CHECK(2) \
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204 if ( !( PINC & (1 << 3) ) ) \
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205 DET_GROUP_CHECK(3) \
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206 if ( !( PINC & (1 << 4) ) ) \
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207 DET_GROUP_CHECK(4) \
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208 if ( !( PINC & (1 << 5) ) ) \
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209 DET_GROUP_CHECK(5) \
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210 if ( !( PINC & (1 << 6) ) ) \
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211 DET_GROUP_CHECK(6) \
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212 if ( !( PINE & (1 << 1) ) ) \
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213 DET_GROUP_CHECK(7) \
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214
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215 // Combines the DET_GROUP_Xs above for the given groupArray
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216 #define DET_GROUP(group,det_group) \
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217 case group: \
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218 { \
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219 uint8_t groupArray[2][DETECT_group_size##_##group] = DETECT_group_array##_##group; \
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220 DET_GROUP##_##det_group \
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221 } \
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222 break;
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223
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224 struct keys {
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225 uint8_t keyDetectCount;
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226 uint8_t keyDetectArray[40];
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227 uint8_t modifiers;
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228 } curDetect, prevDetect;
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229
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230 void detection( int group )
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231 {
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232 _delay_ms(PRE_DRIVE_SLEEP);
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233 curDetect.keyDetectCount = 0;
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234 curDetect.modifiers = 0;
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235
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236 // XXX Modify for different detection groups <-> groupArray mappings
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237 switch ( group ) {
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238 DET_GROUP(1,2)
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239 DET_GROUP(2,4)
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240 DET_GROUP(3,4)
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241 DET_GROUP(4,1)
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242 //DET_GROUP(5,4)
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243 //DET_GROUP(6,2)
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244 //DET_GROUP(7,2)
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245 //DET_GROUP(8,3)
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246 //DET_GROUP(9,2)
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247 }
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248
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249
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250 // Print out the current keys pressed
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251 if ( curDetect.keyDetectCount > 0 ) {
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252 print("Keys: ");
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253 for ( int c = 0; c < curDetect.keyDetectCount; c++ ) {
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254 phex( curDetect.keyDetectArray[c] );
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255 print(" ");
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256 }
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257 print("\n");
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258 }
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259 if ( curDetect.modifiers ) {
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260 print("Modifiers: ");
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261 phex( curDetect.modifiers );
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262 print("\n");
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263 }
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264 }
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265
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266
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267
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268 // XXX This part is configurable
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269 void pinSetup(void)
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270 {
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271 // For each pin, 0=input, 1=output
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272 DDRA = 0x00;
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273 DDRB = 0x07;
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274 DDRC = 0x80;
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275 DDRD = 0x00;
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276 DDRE = 0xC0;
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277 DDRF = 0x31;
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278
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279 // Setting pins to either high or pull-up resistor
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280 PORTA = 0x00;
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281 PORTB = 0xFF;
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282 PORTC = 0xFF;
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283 PORTD = 0x00;
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284 PORTE = 0xFF;
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285 PORTF = 0xFF;
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diff changeset
286 }
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287
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diff changeset
288 int main( void )
0
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289 {
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parents:
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290 // set for 16 MHz clock
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291 CPU_PRESCALE( 0 );
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292
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293 // Configuring Pins
2
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294 pinSetup();
0
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295
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296 // Initialize the USB, and then wait for the host to set configuration.
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297 // If the Teensy is powered without a PC connected to the USB port,
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298 // this will wait forever.
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299 usb_init();
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300 while ( !usb_configured() ) /* wait */ ;
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parents:
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301
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302 // Wait an extra second for the PC's operating system to load drivers
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303 // and do whatever it does to actually be ready for input
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304 _delay_ms(1000);
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305
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306 // Main Detection Loop
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307 DD_LOOP
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308
0
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309 // usb_keyboard_press(KEY_B, KEY_SHIFT);
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310 return 0;
0
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311 }
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312