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annotate Scan/MatrixARM/matrix_scan.h @ 341:66eccdd9ced5

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Code cleanup - Changing header file ifndef define to pragma once's - Removed duplicate output_com.h's
author Jacob Alexander <haata@kiibohd.com>
date Sun, 14 Jun 2015 13:56:56 -0700
parents 57f40871c726
children e464aaa4730f
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1 /* Copyright (C) 2014-2015 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 #pragma once
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23
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24 // ----- Includes -----
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25
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26 // KLL Generated Defines
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27 #include <kll_defs.h>
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31 // ----- Defines -----
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32
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33 #if ( DebounceDivThreshold_define < 0xFF + 1 )
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34 #define DebounceCounter uint8_t
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35 #elif ( DebounceDivThreshold_define < 0xFFFF + 1 )
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36 #define DebounceCounter uint16_t
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37 #elif ( DebounceDivThreshold_define < 0xFFFFFFFF + 1 )
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38 #define DebounceCounter uint32_t
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39 #else
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40 #error "Debounce threshold is too high... 32 bit max. Check .kll defines."
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41 #endif
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42
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45 // ----- Enums -----
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46
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47 // Freescale MK20s have GPIO ports A...E
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48 typedef enum Port {
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49 Port_A = 0,
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50 Port_B = 1,
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51 Port_C = 2,
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52 Port_D = 3,
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53 Port_E = 4,
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54 } Port;
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55
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56 // Each port has a possible 32 pins
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57 typedef enum Pin {
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58 Pin_0 = 0,
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59 Pin_1 = 1,
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60 Pin_2 = 2,
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61 Pin_3 = 3,
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62 Pin_4 = 4,
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63 Pin_5 = 5,
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64 Pin_6 = 6,
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65 Pin_7 = 7,
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66 Pin_8 = 8,
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67 Pin_9 = 9,
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68 Pin_10 = 10,
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69 Pin_11 = 11,
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70 Pin_12 = 12,
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71 Pin_13 = 13,
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72 Pin_14 = 14,
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73 Pin_15 = 15,
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74 Pin_16 = 16,
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75 Pin_17 = 17,
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76 Pin_18 = 18,
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77 Pin_19 = 19,
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78 Pin_20 = 20,
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79 Pin_21 = 21,
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80 Pin_22 = 22,
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81 Pin_23 = 23,
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82 Pin_24 = 24,
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83 Pin_25 = 25,
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84 Pin_26 = 26,
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85 Pin_27 = 27,
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86 Pin_28 = 28,
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87 Pin_29 = 29,
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88 Pin_30 = 30,
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89 Pin_31 = 31,
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90 } Pin;
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91
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92 // Type of pin
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93 typedef enum Type {
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94 Type_StrobeOn,
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95 Type_StrobeOff,
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96 Type_StrobeSetup,
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97 Type_Sense,
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98 Type_SenseSetup,
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99 } Type;
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100
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101 // Sense/Strobe configuration
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102 typedef enum Config {
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103 Config_Pullup, // Internal pull-up
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104 Config_Pulldown, // Internal pull-down
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105 Config_Opendrain, // External pull resistor
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106 } Config;
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107
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108 // Keypress States
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109 typedef enum KeyPosition {
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110 KeyState_Off = 0,
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111 KeyState_Press = 1,
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112 KeyState_Hold = 2,
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113 KeyState_Release = 3,
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114 KeyState_Invalid,
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115 } KeyPosition;
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116
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117
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118
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119 // ----- Structs -----
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120
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121 // Struct container for defining Rows (Sense) and Columns (Strobes)
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122 typedef struct GPIO_Pin {
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123 Port port;
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124 Pin pin;
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125 } GPIO_Pin;
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126
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127 // Debounce Element
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128 typedef struct KeyState {
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129 KeyPosition prevState;
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130 KeyPosition curState;
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131 DebounceCounter activeCount;
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132 DebounceCounter inactiveCount;
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133 } KeyState;
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134
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135
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136
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137 // ----- Functions -----
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138
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139 void Matrix_setup();
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140 void Matrix_scan( uint16_t scanNum );
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