190 lines
5 KiB
C
190 lines
5 KiB
C
/* Copyright 2019 ENDO Katsuhiro <ka2hiro@kagizaraya.jp>
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#define NUM_ROWS 4
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#define NUM_COLS 6
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#define NUM_LEDS 2
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#define LED_GREEN 0
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#define LED_YELLOW 1
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typedef struct board_info_t board_info_t;
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typedef struct board_interface_t board_interface_t;
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struct board_info_t {
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bool master;
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bool initialized;
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uint8_t i2c_address;
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pin_t row_pins[NUM_ROWS];
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pin_t col_pins[NUM_COLS];
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pin_t led_pins[NUM_LEDS];
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bool led_status[NUM_LEDS];
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board_interface_t* interface;
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};
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struct board_interface_t {
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void (*select_row)(board_info_t* board, uint8_t row);
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void (*unselect_row)(board_info_t* board, uint8_t row);
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void (*unselect_rows)(board_info_t* board);
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bool (*read_cols_on_row)(board_info_t* board, matrix_row_t current_matrix[], uint8_t row);
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void (*set_led)(board_info_t* board, uint8_t led_index, bool status);
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};
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#define BOARD_I2C_TIMEOUT 20
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#define GPA0 0x00
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#define GPA1 0x01
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#define GPA2 0x02
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#define GPA3 0x03
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#define GPA4 0x04
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#define GPA5 0x05
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#define GPA6 0x06
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#define GPA7 0x07
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#define GPB0 0x08
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#define GPB1 0x09
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#define GPB2 0x0A
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#define GPB3 0x0B
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#define GPB4 0x0C
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#define GPB5 0x0D
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#define GPB6 0x0E
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#define GPB7 0x0F
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//#define PORTA 0x00
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//#define PORTB 0x01
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#define PORT_MASK 0x08
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#define PIN_MASK 0x07
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#define PIN2REGISTER(reg, pin) (reg & ((pin & PORT_MASK) >> 3))
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#define PIN2PORT(pin) ((pin & PORT_MASK) >> 3)
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#define PIN2MASK(pin) (~(1 << PIN2INDEX(pin)))
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#define PIN2INDEX(pin) (pin & ~PORT_MASK)
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#define PIN2BIT(pin) (1 << PIN2INDEX(pin))
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#define EXPANDER_ADDR(addr) (addr << 1)
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#define EXPANDER_IODIR(pin) (0x00 | PIN2PORT(pin))
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#define EXPANDER_IPOL(pin) (0x02 | PIN2PORT(pin))
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#define EXPANDER_GPINTEN(pin) (0x04 | PIN2PORT(pin))
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#define EXPANDER_DEFVAL(pin) (0x06 | PIN2PORT(pin))
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#define EXPANDER_INTCON(pin) (0x08 | PIN2PORT(pin))
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#define EXPANDER_IOCON(pin) (0x0A | PIN2PORT(pin))
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#define EXPANDER_GPPU(pin) (0x0C | PIN2PORT(pin))
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#define EXPANDER_INTF(pin) (0x0E | PIN2PORT(pin))
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#define EXPANDER_INTCAP(pin) (0x10 | PIN2PORT(pin))
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#define EXPANDER_GPIO(pin) (0x12 | PIN2PORT(pin))
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#define EXPANDER_OLAT(pin) (0x14 | PIN2PORT(pin))
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#define EXPANDER_IODIRA 0x00
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#define EXPANDER_IODIRB 0x01
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#define EXPANDER_IPOLA 0x02
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#define EXPANDER_IPOLB 0x03
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#define EXPANDER_GPINTENA 0x04
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#define EXPANDER_GPINTENB 0x05
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#define EXPANDER_DEFVALA 0x06
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#define EXPANDER_DEFVALB 0x07
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#define EXPANDER_INTCONA 0x08
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#define EXPANDER_INTCONB 0x09
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#define EXPANDER_IOCONA 0x0A
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#define EXPANDER_IOCONB 0x0B
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#define EXPANDER_GPPUA 0x0C
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#define EXPANDER_GPPUB 0x0D
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#define EXPANDER_INTFA 0x0E
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#define EXPANDER_INTFB 0x0F
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#define EXPANDER_INTCAPA 0x10
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#define EXPANDER_INTCAPB 0x11
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#define EXPANDER_GPIOA 0x12
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#define EXPANDER_GPIOB 0x13
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#define EXPANDER_OLATA 0x14
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#define EXPANDER_OLATB 0x15
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//
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// Default board config
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//
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#ifndef NUM_BOARDS
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# define NUM_BOARDS 2
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#endif
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// clang-format off
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#ifndef BOARD_INFOS
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#if NUM_BOARDS == 2
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#define BOARD_INFOS \
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{ \
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{ \
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true, \
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false, \
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0x00, \
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{ D4, D5, D6, D7 }, \
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{ D1, D0, C3, C2, C1, C0 }, \
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{ B1, B2 }, \
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{ false, false }, \
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NULL \
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}, \
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{ \
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false, \
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false, \
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0x20, \
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{ GPB4, GPB5, GPB6, GPB7 }, \
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{ GPA7, GPA6, GPA5, GPA4, GPA3, GPA2 }, \
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{ GPB0, GPB1 }, \
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{ false, false }, \
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NULL \
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}, \
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}
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#elif NUM_BOARDS == 3
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#define BOARD_INFOS \
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{ \
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{ \
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true, \
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false, \
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0x00, \
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{ D4, D5, D6, D7 }, \
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{ D1, D0, C3, C2, C1, C0 }, \
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{ B1, B2 }, \
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{ false, false }, \
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NULL \
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}, \
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{ \
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false, \
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false, \
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0x20, \
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{ GPB4, GPB5, GPB6, GPB7 }, \
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{ GPA7, GPA6, GPA5, GPA4, GPA3, GPA2 }, \
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{ GPB0, GPB1 }, \
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{ false, false }, \
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NULL \
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}, \
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{ \
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false, \
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false, \
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0x21, \
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{ GPB4, GPB5, GPB6, GPB7 }, \
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{ GPA7, GPA6, GPA5, GPA4, GPA3, GPA2 }, \
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{ GPB0, GPB1 }, \
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{ false, false }, \
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NULL \
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}, \
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}
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#endif
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#endif
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// clang-format on
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void board_set_led_by_index(uint8_t board_index, uint8_t led_index, bool status);
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bool board_read_cols_on_row(matrix_row_t current_matrix[], uint8_t row);
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void board_select_row(uint8_t row);
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void board_unselect_row(uint8_t row);
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void board_unselect_rows(void);
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void board_init(void);
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