271b0af9b9
- Uses strobe setup from MatrixARM - New mapping for ADC sense - Initial ADC setup code (not optimized or configurable yet)
175 lines
3.2 KiB
C
175 lines
3.2 KiB
C
/* Copyright (C) 2016 by Jacob Alexander
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*
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* This file is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// ----- Includes -----
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// KLL Generated Defines
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#include <kll_defs.h>
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// ----- Defines -----
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// ----- Enums -----
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// Freescale MK20s have GPIO ports A...E
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typedef enum Port {
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Port_A = 0,
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Port_B = 1,
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Port_C = 2,
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Port_D = 3,
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Port_E = 4,
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} Port;
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// Each port has a possible 32 pins
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typedef enum Pin {
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Pin_0 = 0,
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Pin_1 = 1,
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Pin_2 = 2,
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Pin_3 = 3,
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Pin_4 = 4,
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Pin_5 = 5,
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Pin_6 = 6,
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Pin_7 = 7,
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Pin_8 = 8,
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Pin_9 = 9,
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Pin_10 = 10,
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Pin_11 = 11,
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Pin_12 = 12,
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Pin_13 = 13,
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Pin_14 = 14,
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Pin_15 = 15,
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Pin_16 = 16,
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Pin_17 = 17,
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Pin_18 = 18,
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Pin_19 = 19,
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Pin_20 = 20,
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Pin_21 = 21,
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Pin_22 = 22,
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Pin_23 = 23,
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Pin_24 = 24,
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Pin_25 = 25,
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Pin_26 = 26,
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Pin_27 = 27,
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Pin_28 = 28,
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Pin_29 = 29,
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Pin_30 = 30,
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Pin_31 = 31,
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} Pin;
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// Depending on the microcontroller, it can have 1 or more ADCs
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typedef enum ADC {
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#if defined(_mk20dx128_) || defined(_mk20dx128vlf5_)
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ADC_0 = 0,
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#elif defined(_mk20dx256_) || defined(_mk20dx256vlh7_)
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ADC_0 = 0,
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ADC_1 = 1,
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#endif
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} ADC;
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// ADC Register offset map
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unsigned int *ADC_reg_offset_map[] = {
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#if defined(_mk20dx128_) || defined(_mk20dx128vlf5_)
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(unsigned int*)(&ADC0_SC1A),
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#elif defined(_mk20dx256_) || defined(_mk20dx256vlh7_)
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(unsigned int*)(&ADC0_SC1A),
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(unsigned int*)(&ADC1_SC1A),
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#endif
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};
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// Each ADC has a possible 32 channels
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typedef enum Channel {
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Channel_0 = 0,
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Channel_1 = 1,
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Channel_2 = 2,
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Channel_3 = 3,
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Channel_4 = 4,
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Channel_5 = 5,
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Channel_6 = 6,
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Channel_7 = 7,
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Channel_8 = 8,
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Channel_9 = 9,
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Channel_10 = 10,
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Channel_11 = 11,
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Channel_12 = 12,
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Channel_13 = 13,
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Channel_14 = 14,
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Channel_15 = 15,
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Channel_16 = 16,
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Channel_17 = 17,
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Channel_18 = 18,
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Channel_19 = 19,
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Channel_20 = 20,
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Channel_21 = 21,
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Channel_22 = 22,
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Channel_23 = 23,
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Channel_24 = 24,
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Channel_25 = 25,
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Channel_26 = 26,
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Channel_27 = 27,
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Channel_28 = 28,
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Channel_29 = 29,
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Channel_30 = 30,
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Channel_31 = 31,
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} Channel;
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// Type of pin
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typedef enum Type {
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Type_StrobeOn,
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Type_StrobeOff,
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Type_StrobeSetup,
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Type_Sense,
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Type_SenseSetup,
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} Type;
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// Keypress States
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typedef enum KeyPosition {
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KeyState_Off = 0,
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KeyState_Press = 1,
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KeyState_Hold = 2,
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KeyState_Release = 3,
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KeyState_Invalid,
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} KeyPosition;
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// ----- Structs -----
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// Struct container for defining Strobe pins
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typedef struct GPIO_Pin {
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Port port;
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Pin pin;
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} GPIO_Pin;
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// Struct container for defining Sense pins
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typedef struct ADC_Pin {
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Port port;
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Pin pin;
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ADC adc;
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Channel ch;
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} ADC_Pin;
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// ----- Functions -----
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void Matrix_setup();
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void Matrix_scan( uint16_t scanNum );
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void Matrix_currentChange( unsigned int current );
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