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- /*
- Copyright 2014 Kai Ryu <[email protected]>
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #ifndef KIMERA_H
- #define KIMERA_H
-
- #include <stdint.h>
- #include <avr/pgmspace.h>
- #include "matrix.h"
-
- /*
- Pro Micro
- ,----------------.
- TX --| TX0(PD3) RAW |--
- RX --| RX1(PD2) GND |--
- --| GND RESET |-- RST
- --| GND VCC |--
- SDA --| 2(PD1) (PF4)A3 |-- (Z4)
- SCL --| 3(PD0) (PF5)A2 |-- (Z1)
- (RCK) --| 4(PD4) (PF6)A1 |-- (Z2)
- LED1 --| 5(PC6) (PF7)A0 |-- (Z3)
- LED2 --| 6(PD7) (PB1)15 |-- SCK
- (SJ1) --| 7(PE6) (PB3)14 |-- MISO
- (SJ2) --| 8(PB4) (PB2)16 |-- MOSI
- BL --| 9(PB5) (PB6)10 |-- LED3
- `----------------'
- */
-
- #define LED1_PORT PORTC
- #define LED1_PIN PINC
- #define LED1_DDR DDRC
- #define LED1_BIT PC6
-
- #define LED2_PORT PORTD
- #define LED2_PIN PIND
- #define LED2_DDR DDRD
- #define LED2_BIT PD7
-
- #define LED3_PORT PORTB
- #define LED3_PIN PINB
- #define LED3_DDR DDRB
- #define LED3_BIT PB6
-
- #define BL_PORT PORTB
- #define BL_PIN PINB
- #define BL_DDR DDRB
- #define BL_BIT PB5
- #define BL_OCR OCR1A
-
- #define RCK_PORT PORTD
- #define RCK_PIN PIND
- #define RCK_DDR DDRD
- #define RCK_BIT PD4
-
- #define SCK_PORT PORTB
- #define SCK_PIN PINB
- #define SCK_DDR DDRB
- #define SCK_BIT PB1
-
- #define MOSI_PORT PORTB
- #define MOSI_PIN PINB
- #define MOSI_DDR DDRB
- #define MOSI_BIT PB2
-
- #define MISO_PORT PORTB
- #define MISO_PIN PINB
- #define MISO_DDR DDRB
- #define MISO_BIT PB3
-
- #define ZX_PORT PORTF
- #define ZX_PIN PINF
- #define ZX_DDR DDRF
- #ifdef KIMERA_C
- const uint8_t PROGMEM zx_bit[] = {
- PF5, PF6, PF7, PF4
- };
- #endif
- #define MUX_TO_ZX_BIT(x) (pgm_read_byte(zx_bit + (x)))
-
- /*
- Shift Register Multiplexer
- ,----------. ,------------.
- MOSI --| SER 0 |----| INH X0~X7 |===============.
- SCK --|>SCK 1 |----| A | |
- RCK --|>RCK 2 |----| B | ,-------------+-------------.
- | 3 |----| C | | | | | | | | |
- | | `------------' P26 P27 P28 P25 P29 P32 P30 P31
- | | ,------------.
- | 4 |----| A X0~X7 |===============.
- | 5 |----| B | |
- | 6 |----| C | ,-------------+-------------.
- | 7 |----| INH | | | | | | | | |
- | | `------------' P2 P3 P4 P1 P5 P8 P6 P7
- | | ,------------.
- | 8 |----| INH X0~X7 |===============.
- | 9 |----| A | |
- | 10 |----| B | ,-------------+-------------.
- | 11 |----| C | | | | | | | | |
- | | `------------' P10 P11 P12 P9 P13 P16 P14 P15
- | | ,------------.
- | 12 |----| A X0~X7 |===============.
- | 13 |----| B | |
- | 14 |----| C | ,-------------+-------------.
- | 15 |----| INH | | | | | | | | |
- `----------' `------------' P18 P19 P20 P17 P21 P24 P22 P23
- */
-
- #define MUX_COUNT 4
- #define MUX_PORTS 8
- #define PX_TO_MUX(x) (x>>3) // (x / MUX_PORTS)
-
- enum {
- MUX4_INH = 0,
- MUX4_A,
- MUX4_B,
- MUX4_C,
- MUX1_A,
- MUX1_B,
- MUX1_C,
- MUX1_INH,
- MUX2_INH,
- MUX2_A,
- MUX2_B,
- MUX2_C,
- MUX3_A,
- MUX3_B,
- MUX3_C,
- MUX3_INH
- };
-
- #ifdef KIMERA_C
- const uint16_t PROGMEM px_to_shift_out[] = {
- 3<<MUX1_A, 0<<MUX1_A, 1<<MUX1_A, 2<<MUX1_A, 4<<MUX1_A, 6<<MUX1_A, 7<<MUX1_A, 5<<MUX1_A,
- 3<<MUX2_A, 0<<MUX2_A, 1<<MUX2_A, 2<<MUX2_A, 4<<MUX2_A, 6<<MUX2_A, 7<<MUX2_A, 5<<MUX2_A,
- 3<<MUX3_A, 0<<MUX3_A, 1<<MUX3_A, 2<<MUX3_A, 4<<MUX3_A, 6<<MUX3_A, 7<<MUX3_A, 5<<MUX3_A,
- 3<<MUX4_A, 0<<MUX4_A, 1<<MUX4_A, 2<<MUX4_A, 4<<MUX4_A, 6<<MUX4_A, 7<<MUX4_A, 5<<MUX4_A
- };
-
- const uint16_t PROGMEM mux_inh_to_shift_out[] = {
- 1<<MUX1_INH, 1<<MUX2_INH, 1<<MUX3_INH, 1<<MUX4_INH
- };
- #endif
- #define PX_TO_SHIFT_OUT(x) (pgm_read_word(px_to_shift_out + (x)))
- #define MUX_INH_TO_SHIFT_OUT(x) (pgm_read_word(mux_inh_to_shift_out + (x)))
-
- /* Matrix Mapping in EEPROM */
-
- #define EECONFIG_MUX_MAPPING (uint8_t *)7
- #define EECONFIG_ROW_COL_MAPPING (uint8_t *)8
- #define MATRIX_MAPPING_SIZE MUX_COUNT * MUX_PORTS
-
- typedef struct {
- uint8_t mux_mapping;
- uint8_t row_col_mapping;
- } matrix_mapping_t;
-
- #define MUX_INPUT 0
- #define MUX_OUTPUT 1
- #define MUX_FOR_COL MUX_INPUT
- #define MUX_FOR_ROW MUX_OUTPUT
- #define UNCONFIGURED 0xFF
-
- /* Functions */
-
- void kimera_init(void);
- uint8_t read_matrix_mapping(void);
- void write_matrix_mapping(void);
- void shift_out_word(uint16_t word);
- matrix_row_t read_cols(void);
- void init_cols(void);
- void unselect_rows(void);
- void select_row(uint8_t row);
-
- #endif
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