107 lines
4.4 KiB
C
107 lines
4.4 KiB
C
#ifndef FC660C_H
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#define FC660C_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include "timer.h"
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#include "unimap.h"
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// Timer resolution check
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#if (1000000/TIMER_RAW_FREQ > 20)
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# error "Timer resolution(>20us) is not enough for HHKB matrix scan tweak on V-USB."
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#endif
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/*
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* Pin configuration for ATMega32U4
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*
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* Row: PD4-6, 7(~EN)
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* Col: PB0-2, 3(Z5 ~EN), 4(Z4 ~EN)
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* Key: PC6(pull-uped)
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* Hys: PC7
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*/
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static inline void KEY_ENABLE(void) { (PORTD &= ~(1<<7)); }
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static inline void KEY_UNABLE(void) { (PORTD |= (1<<7)); }
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static inline bool KEY_STATE(void) { return (PINC & (1<<6)); }
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static inline void KEY_HYS_ON(void) { (PORTC |= (1<<7)); }
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static inline void KEY_HYS_OFF(void) { (PORTC &= ~(1<<7)); }
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static inline void KEY_INIT(void)
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{
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/* Col */
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DDRB |= 0x1F;
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/* Key: input with pull-up */
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DDRC &= ~(1<<6);
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PORTC |= (1<<6);
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/* Hys */
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DDRC |= (1<<7);
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/* Row */
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DDRD |= 0xF0;
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KEY_UNABLE();
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KEY_HYS_OFF();
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}
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static inline void SET_ROW(uint8_t ROW)
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{
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// set row with unabling key
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PORTD = (PORTD & 0x0F) | (1<<7) | ((ROW & 0x07) << 4);
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}
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static inline void SET_COL(uint8_t COL)
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{
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// |PB3(Z5 ~EN)|PB4(Z4 ~EN)
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// --------|-----------|-----------
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// Col:0-7 |high |low
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// Col:8-F |low |high
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PORTB = (PORTB & 0xE0) | ((COL & 0x08) ? 1<<4 : 1<<3) | (COL & 0x07);
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}
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#ifdef UNIMAP_ENABLE
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/* unimap */
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#define KMAP( \
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K35,K1E,K1F,K20,K21,K22,K23,K24,K25,K26,K27,K2D,K2E,K2A, K49, \
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K2B,K14,K1A,K08,K15,K17,K1C,K18,K0C,K12,K13,K2F,K30,K31, K4C, \
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K39,K04,K16,K07,K09,K0A,K0B,K0D,K0E,K0F,K33,K34, K28, \
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K79,K1D,K1B,K06,K19,K05,K11,K10,K36,K37,K38, K7D,K52, \
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K78,K7B,K7A, K2C, K7E,K7C,K7F,K50,K51,K4F \
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) UNIMAP( \
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NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, \
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NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, NO, \
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K35,K1E,K1F,K20,K21,K22,K23,K24,K25,K26,K27,K2D,K2E,NO, K2A, K49,NO, NO, NO, NO, NO, NO, \
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K2B,K14,K1A,K08,K15,K17,K1C,K18,K0C,K12,K13,K2F,K30, K31, K4C,NO, NO, NO, NO, NO, NO, \
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K39,K04,K16,K07,K09,K0A,K0B,K0D,K0E,K0F,K33,K34, NO, K28, NO, NO, NO, NO, \
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K79,NO, K1D,K1B,K06,K19,K05,K11,K10,K36,K37,K38, NO, K7D, K52, NO, NO, NO, NO, \
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K78,K7B,K7A,NO, K2C, NO, NO, K7E,K7F,NO, K7C, K50,K51,K4F, NO, NO, NO \
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)
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#else
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/* actionmap */
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#define KMAP( \
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K13, K10, K11, K12, K14, K16, K17, K15, K1B, K18, K19, K1A, K1C, K1E, K1F, \
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K03, K00, K01, K02, K04, K06, K07, K05, K0B, K08, K09, K0A, K0C, K0E, K0F, \
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K43, K40, K41, K42, K44, K46, K47, K45, K4B, K48, K49, K4A, K4E, \
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K33, K31, K32, K34, K36, K37, K35, K3B, K38, K39, K3A, K3C, K3D, \
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K23, K21, K22, K27, K28, K2A, K2C, K2E, K2D, K2F \
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) { \
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{ AC_##K00, AC_##K01, AC_##K02, AC_##K03, AC_##K04, AC_##K05, AC_##K06, AC_##K07, \
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AC_##K08, AC_##K09, AC_##K0A, AC_##K0B, AC_##K0C, AC_NO, AC_##K0E, AC_##K0F }, \
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{ AC_##K10, AC_##K11, AC_##K12, AC_##K13, AC_##K14, AC_##K15, AC_##K16, AC_##K17, \
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AC_##K18, AC_##K19, AC_##K1A, AC_##K1B, AC_##K1C, AC_NO, AC_##K1E, AC_##K1F }, \
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{ AC_NO, AC_##K21, AC_##K22, AC_##K23, AC_NO, AC_NO, AC_NO, AC_##K27, \
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AC_##K28, AC_NO, AC_##K2A, AC_NO, AC_##K2C, AC_##K2D, AC_##K2E, AC_##K2F }, \
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{ AC_NO, AC_##K31, AC_##K32, AC_##K33, AC_##K34, AC_##K35, AC_##K36, AC_##K37, \
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AC_##K38, AC_##K39, AC_##K3A, AC_##K3B, AC_##K3C, AC_##K3D, AC_NO, AC_NO }, \
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{ AC_##K40, AC_##K41, AC_##K42, AC_##K43, AC_##K44, AC_##K45, AC_##K46, AC_##K47, \
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AC_##K48, AC_##K49, AC_##K4A, AC_##K4B, AC_NO, AC_NO, AC_##K4E, AC_NO }, \
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{ AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, \
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AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO }, \
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{ AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, \
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AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO }, \
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{ AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, \
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AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO, AC_NO } \
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}
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#endif
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#endif
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