63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/* Copyright (C) 2014 by Jacob Alexander
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef __MATRIX_H
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#define __MATRIX_H
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// ----- Macros -----
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// Convenience Macros
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#define gpio( port, pin ) { Port_##port, Pin_##pin }
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#define Matrix_colsNum sizeof( Matrix_cols ) / sizeof( GPIO_Pin )
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#define Matrix_rowsNum sizeof( Matrix_rows ) / sizeof( GPIO_Pin )
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#define Matrix_maxKeys sizeof( Matrix_scanArray ) / sizeof( KeyState )
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// ----- Matrix Definition -----
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// Freescale ARM MK20's support GPIO PTA, PTB, PTC, PTD and PTE 0..31
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// Not all chips have access to all of these pins (most don't have 160 pins :P)
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//
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// NOTE:
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// 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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// Checking this is completely on the ownness of the user
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// MD1
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//
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// Columns (Strobe)
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// PTB0..3,16,17
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// PTC4,5
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// PTD0
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//
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// Rows (Sense)
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// PTD1..7
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// Define Rows (Sense) and Columns (Strobes)
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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,5), gpio(D,0) };
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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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// Define type of scan matrix
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Config Matrix_type = Config_Pulldown;
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#endif // __MATRIX_H
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