Mercurial > louis > kiibohd-controller

annotate Scan/matrix/matrix.c @ 21:c14f9ac8420f

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Reorganization for use with the CMake "Modules" - Include option is currently "hacked" and needs to be fixed - Builds on Linux, but Mac and Windows needs to be tested - Loader script generation isn't complete
author Jacob Alexander <triplehaata@gmail.com>
date Wed, 28 Sep 2011 23:25:51 -0700
parents
children 2d65da455ef3
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21
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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 "matrix.h"
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23
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24 #define REG_SET(reg) reg |= (1 << ( matrix[row][col] % 10 ) )
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25
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26 #define PIN_SET_COL(pin) \
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27 switch ( scanMode ) { \
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28 case scanCol: \
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29 case scanCol_powrRow: \
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30 case scanDual: \
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31 REG_SET(port##pin); break; \
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32 case scanRow_powrCol: REG_SET(ddr##pin); REG_SET(port##pin); break; \
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33 } \
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34 break
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35
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36 #define PIN_SET_ROW(pin) \
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37 switch ( scanMode ) { \
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38 case scanRow: \
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39 case scanRow_powrCol: \
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40 case scanDual: \
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41 REG_SET(port##pin); break; \
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42 case scanCol_powrRow: REG_SET(ddr##pin); REG_SET(port##pin); break; \
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43 } \
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44 break
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45
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46 #define PIN_CASE(pinLetter) \
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47 case pin##pinLetter##0: \
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48 case pin##pinLetter##1: \
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49 case pin##pinLetter##2: \
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50 case pin##pinLetter##3: \
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51 case pin##pinLetter##4: \
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52 case pin##pinLetter##5: \
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53 case pin##pinLetter##6: \
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54 case pin##pinLetter##7
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55
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56 #define PIN_TEST_COL(pin) \
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57 if ( !( pin & ( 1 << ( matrix[0][col] % 10 ) ) \
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58 detectArray[matrix[row][col]]++; \
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59 break
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60
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61
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62 void matrix_pinSetup( uint8_t *matrix )
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63 {
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64 // Setup the variables
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65 uint8_t portA = 0x00;
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66 uint8_t portB = 0x00;
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67 uint8_t portC = 0x00;
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68 uint8_t portD = 0x00;
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69 uint8_t portE = 0x00;
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70 uint8_t portF = 0x00;
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71
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72 uint8_t ddrA = 0x00;
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73 uint8_t ddrB = 0x00;
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74 uint8_t ddrC = 0x00;
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75 uint8_t ddrD = 0x00;
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76 uint8_t ddrE = 0x00;
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77 uint8_t ddrF = 0x00;
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78
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79 // Loop through all the pin assignments, for the initial pin settings
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80 int row, col;
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81
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82 // Rows
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83 for ( row = 1; row < sizeof(matrix); row++ ) {
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84 switch ( matrix[row][col] ) {
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85 PIN_CASE(A):
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86 PIN_SET_ROW(A);
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87 PIN_CASE(B):
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88 PIN_SET_ROW(B);
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89 PIN_CASE(C):
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90 PIN_SET_ROW(C);
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91 PIN_CASE(D):
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92 PIN_SET_ROW(D);
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93 PIN_CASE(E):
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94 PIN_SET_ROW(E);
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95 PIN_CASE(F):
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96 PIN_SET_ROW(F);
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97
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98 default:
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99 continue;
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100 }
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101 }
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102
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103 // Columns
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104 for ( col = 1; col < sizeof(matrix[0]); row++ ) {
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105 switch ( matrix[row][col] ) {
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106 PIN_CASE(A):
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107 PIN_SET_COL(A);
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108 PIN_CASE(B):
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109 PIN_SET_COL(B);
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110 PIN_CASE(C):
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111 PIN_SET_COL(C);
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112 PIN_CASE(D):
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113 PIN_SET_COL(D);
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114 PIN_CASE(E):
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115 PIN_SET_COL(E);
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116 PIN_CASE(F):
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117 PIN_SET_COL(F);
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118
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119 default:
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120 continue;
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121 }
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122 }
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123
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124 // Setting the pins
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125 DDRA = ddrA;
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126 DDRB = ddrB;
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127 DDRC = ddrC;
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128 DDRD = ddrD;
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129 DDRE = ddrE;
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130 DDRF = ddrF;
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131
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132 PORTA = portA;
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133 PORTB = portB;
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134 PORTC = portC;
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135 PORTD = portD;
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136 PORTE = portE;
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137 PORTF = portF;
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138 }
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139
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140 // TODO Proper matrix scanning
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141 void matrix_scan( uint8_t *matrix, uint8_t *detectArray )
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142 {
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143 // Column Scan
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144 #if scanMode == scanCol
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145 uint8_t col = 1;
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146 uint8_t row = 1;
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147 for ( ; col < sizeof(matrix[1]); col++ ) {
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148 switch ( matrix[0][col] / 10 ) {
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149 case 0: // PINA
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150 PIN_TEST_COL(PINA);
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151 case 1: // PINB
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152 PIN_TEST_COL(PINB);
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153 case 2: // PINC
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154 PIN_TEST_COL(PINC);
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155 case 3: // PIND
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156 PIN_TEST_COL(PIND);
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157 case 4: // PINE
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158 PIN_TEST_COL(PINE);
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159 case 5: // PINF
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160 PIN_TEST_COL(PINF);
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161 }
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162 }
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163 #endif
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164
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165 // Row Scan
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166 #if scanMode == scanRow
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167 #endif
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168
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169 // Column Scan, Power Row
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170 #if scanMode == scanCol_powrRow
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171 #endif
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172
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173 // Row Scan, Power Column
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174 #if scanMode == scanRow_powrCol
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175 #endif
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176
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177 // Dual Scan
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178 #if scanMode == scanDual
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179 #endif
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180 }
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181