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annotate Scan/CK3/matrix.h @ 415:293154e4aafe

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Added support for ghosting matrices and code for elimination. To use define GHOST in matrix.h, see example in Scan/CK3
author CryHam <cryham@gmail.com>
date Fri, 19 Feb 2016 18:10:25 +0100
parents
children 060aa589b307
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415
293154e4aafe Added support for ghosting matrices and code for elimination.
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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 // Project Includes
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27 #include <matrix_setup.h>
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28
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29
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30
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31 // ----- Matrix Definition -----
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32
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33 // Freescale ARM MK20's support GPIO PTA, PTB, PTC, PTD and PTE 0..31
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34 // Not all chips have access to all of these pins (most don't have 160 pins :P)
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35 //
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36 // NOTE:
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37 // Before using a pin, make sure it supports being a GPIO *and* doesn't have a default pull-up/pull-down
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38 // Checking this is completely on the ownness of the user
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39
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40 //
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41 // Columns (Strobe) // PTB0..3,16,17 PTC4,5 PTD0
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42 // Rows (Sense) // PTD1..7
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43
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44 // Define Rows (Sense) and Columns (Strobes)
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45 GPIO_Pin Matrix_cols[] = { gpio(B,0), gpio(B,1), gpio(B,2), gpio(B,3), gpio(B,16), gpio(B,17), gpio(C,4), gpio(C,6), gpio(D,0) };
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46 GPIO_Pin Matrix_rows[] = { gpio(D,1), gpio(D,2), gpio(D,3), gpio(D,4), gpio(D,5), gpio(D,6), gpio(D,7) };
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47
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48 // Define type of scan matrix
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49 Config Matrix_type = Config_Pulldown;
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50
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51
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52 // define this if your matrix has ghosting (i.e. regular keyboard without diodes)
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53 #define GHOST