From aed18a5ff3b9eae14464aca2efb2a3ed029aea49 Mon Sep 17 00:00:00 2001 From: ENDO Katsuhiro Date: Wed, 5 Feb 2020 13:47:59 +0900 Subject: [Keyboard] Add a new keyboard Chidori. (#7496) * [Keyboard] Add a new keyboard Chidori. * Update keyboards/chidori/info.json * Update keyboards/chidori/keymaps/default/keymap.c * Update keyboards/chidori/chidori.h * Update keyboards/chidori/keymaps/extended/keymap.c * Update keyboards/chidori/keymaps/extended/keymap.c * Update keyboards/chidori/keymaps/extended/keymap.c * Update keyboards/chidori/keymaps/extended/keymap.c * Update keyboards/chidori/keymaps/extended/keymap.c * Update keyboards/chidori/keymaps/extended/keymap.c * Update keyboards/chidori/keymaps/extended/keymap.c * Update keyboards/chidori/readme.md * Update keyboards/chidori/readme.md * Update keyboards/chidori/readme.md * Update keyboards/chidori/readme.md * Update keyboards/chidori/rules.mk * Update keyboards/chidori/rules.mk * Update keyboards/chidori/rules.mk * Update keyboards/chidori/rules.mk * Update keyboards/chidori/rules.mk * Update keyboards/chidori/rules.mk * Update keyboards/chidori/rules.mk * Update keyboards/chidori/rules.mk * Update keyboards/chidori/rules.mk * Update rules.mk * Delete unnecesarry lines. * Changes layer keys handing. --- keyboards/chidori/board.c | 366 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 366 insertions(+) create mode 100644 keyboards/chidori/board.c (limited to 'keyboards/chidori/board.c') diff --git a/keyboards/chidori/board.c b/keyboards/chidori/board.c new file mode 100644 index 0000000000..ff5b76a3af --- /dev/null +++ b/keyboards/chidori/board.c @@ -0,0 +1,366 @@ +/* Copyright 2019 ENDO Katsuhiro + * + * 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 . + */ +#include +#include +#include "wait.h" +#include "print.h" +#include "debug.h" +#include "matrix.h" +#include "quantum.h" +#include "board.h" +#include "i2c_master.h" + +static board_info_t boards[NUM_BOARDS] = BOARD_INFOS; +static board_info_t* master_board = NULL; + +static bool board_is_master(board_info_t* board); +static bool board_is_initialized(board_info_t* board); +static board_info_t* get_board_by_index(uint8_t board_index); +static uint8_t board_merge_led_config(board_info_t* board, uint8_t iodir); +static uint8_t board_merge_led_status(board_info_t* board, uint8_t data); +static void board_master_init(void); +static void board_slave_init(void); + +// +// board interface +// +static void board_select_master_row(board_info_t* board, uint8_t row); +static void board_unselect_master_row(board_info_t* board, uint8_t row); +static void board_unselect_master_rows(board_info_t* board); +static bool board_read_cols_on_master_row(board_info_t* board, matrix_row_t current_matrix[], uint8_t row); +static void board_set_master_led(board_info_t* board, uint8_t led_index, bool status); +static void board_select_slave_row(board_info_t* board, uint8_t row); +static void board_unselect_slave_row(board_info_t* board, uint8_t row); +static void board_unselect_slave_rows(board_info_t* board); +static bool board_read_cols_on_slave_row(board_info_t* board, matrix_row_t current_matrix[], uint8_t row); +static void board_set_slave_led(board_info_t* board, uint8_t led_index, bool status); + +static board_interface_t master_interface = {board_select_master_row, board_unselect_master_row, board_unselect_master_rows, board_read_cols_on_master_row, board_set_master_led}; +static board_interface_t slave_interface = {board_select_slave_row, board_unselect_slave_row, board_unselect_slave_rows, board_read_cols_on_slave_row, board_set_slave_led}; + +static board_interface_t* get_interface(board_info_t* board) { + if (board_is_master(board)) { + return &master_interface; + } + return &slave_interface; +} + +static void board_set_master_led(board_info_t* board, uint8_t led_index, bool status) { + pin_t pin = board->led_pins[led_index]; + board->led_status[led_index] = status; + setPinOutput(pin); + status ? writePinHigh(pin) : writePinLow(pin); +} + +static void board_set_slave_led(board_info_t* board, uint8_t led_index, bool status) { + board->led_status[led_index] = status; + uint8_t iodir = board_merge_led_config(board, 0xff); + uint8_t data = board_merge_led_status(board, 0x00); + i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_IODIRB, (const uint8_t*)&iodir, sizeof(iodir), BOARD_I2C_TIMEOUT); + i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_OLATB, (const uint8_t*)&data, sizeof(data), BOARD_I2C_TIMEOUT); +} + +static uint8_t board_merge_led_config(board_info_t* board, uint8_t iodir) { + for (uint8_t i = 0; i < NUM_LEDS; i++) { + iodir &= PIN2MASK(board->led_pins[i]); + } + return iodir; +} + +static bool board_slave_config(board_info_t* board) { + uint8_t set = 0xff; + uint8_t clear = 0x00; + i2c_status_t res = 0; + + // Set to input + res = i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_IODIRA, (const uint8_t*)&set, sizeof(set), BOARD_I2C_TIMEOUT); + if (res < 0) return false; + // RESTRICTION: LEDs only on PORT B. + set = board_merge_led_config(board, set); + res = i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_IODIRB, (const uint8_t*)&set, sizeof(set), BOARD_I2C_TIMEOUT); + if (res < 0) return false; + set = 0xff; + + // Pull up for input - enable + res = i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_GPPUA, (const uint8_t*)&set, sizeof(set), BOARD_I2C_TIMEOUT); + if (res < 0) return false; + res = i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_GPPUB, (const uint8_t*)&set, sizeof(set), BOARD_I2C_TIMEOUT); + if (res < 0) return false; + + // Disable interrupt + res = i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_GPINTENA, (const uint8_t*)&clear, sizeof(clear), BOARD_I2C_TIMEOUT); + if (res < 0) return false; + res = i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_GPINTENB, (const uint8_t*)&clear, sizeof(clear), BOARD_I2C_TIMEOUT); + if (res < 0) return false; + + // Polarity - same logic + res = i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_IPOLA, (const uint8_t*)&clear, sizeof(clear), BOARD_I2C_TIMEOUT); + if (res < 0) return false; + res = i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_IPOLB, (const uint8_t*)&clear, sizeof(clear), BOARD_I2C_TIMEOUT); + if (res < 0) return false; + + return true; +} + +static void board_slave_init(void) { + i2c_init(); + _delay_ms(500); + + for (uint8_t i = 0; i < NUM_BOARDS; i++) { + board_info_t* board = &boards[i]; + if (board_is_master(board)) { + continue; + } + if (i2c_start(EXPANDER_ADDR(board->i2c_address), BOARD_I2C_TIMEOUT) != I2C_STATUS_SUCCESS) { + continue; + } + i2c_stop(); + if (board_slave_config(board)) { + board->initialized = true; + } + } +} + +inline bool board_is_master(board_info_t* board) { + if (board) { + return board->master; + } + return false; +} + +inline uint8_t matrix_rows(void) { return MATRIX_ROWS; } + +inline uint8_t matrix2board(uint8_t row) { return row % NUM_ROWS; } + +inline uint8_t board_index(uint8_t row) { return row / NUM_ROWS; } + +static board_info_t* get_master_board(void) { + if (master_board == NULL) { + for (uint8_t i = 0; i < NUM_BOARDS; i++) { + if (boards[i].master) { + master_board = &boards[i]; + return master_board; + } + } + } + return NULL; +} + +inline bool board_is_initialized(board_info_t* board) { return board == NULL ? false : board->initialized; } + +static board_info_t* get_board_by_index(uint8_t board_index) { + if (board_index >= 0 && board_index < NUM_BOARDS) { + if (!board_is_initialized(&boards[board_index])) { + return NULL; + } + return &boards[board_index]; + } + return NULL; +} + +static board_info_t* get_board(uint8_t row) { + uint8_t idx = board_index(row); + if (idx >= 0 && idx < NUM_BOARDS) { + if (!board_is_initialized(&boards[idx])) { + return NULL; + } + return &boards[idx]; + } + return NULL; +} + +static uint8_t board_merge_led_status(board_info_t* board, uint8_t data) { + if (!board_is_initialized(board)) { + return data; + } + for (uint8_t i = 0; i < NUM_LEDS; i++) { + bool status = board->led_status[i]; + if (status) { + data |= (uint8_t)1 << PIN2INDEX(board->led_pins[i]); + } else { + data &= PIN2MASK(board->led_pins[i]); + } + } + return data; +} + +// +// Functions for slave +// +static uint8_t board_read_slave_cols(board_info_t* board) { + if (!board_is_initialized(board)) { + return 0xff; + } + uint8_t data = 0xff; + i2c_status_t res = i2c_readReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_GPIOA, &data, sizeof(data), BOARD_I2C_TIMEOUT); + return (res < 0) ? 0xff : data; +} + +static void board_select_slave_row(board_info_t* board, uint8_t board_row) { + if (!board_is_initialized(board)) { + return; + } + uint8_t pin = board->row_pins[board_row]; + uint8_t iodir = board_merge_led_config(board, PIN2MASK(pin)); + uint8_t status = board_merge_led_status(board, PIN2MASK(pin)); + i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_IODIRB, (const uint8_t*)&iodir, sizeof(iodir), BOARD_I2C_TIMEOUT); + i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_OLATB, (const uint8_t*)&status, sizeof(status), BOARD_I2C_TIMEOUT); +} + +static void board_unselect_slave_rows(board_info_t* board) { + if (!board_is_initialized(board)) { + return; + } + uint8_t iodir = board_merge_led_config(board, 0xff); + uint8_t data = board_merge_led_status(board, 0x00); + i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_IODIRB, (const uint8_t*)&iodir, sizeof(iodir), BOARD_I2C_TIMEOUT); + i2c_writeReg(EXPANDER_ADDR(board->i2c_address), EXPANDER_OLATB, (const uint8_t*)&data, sizeof(data), BOARD_I2C_TIMEOUT); +} + +static void board_unselect_slave_row(board_info_t* board, uint8_t board_row) { board_unselect_slave_rows(board); } + +/* + * row : matrix row (not board row) + */ +static bool board_read_cols_on_slave_row(board_info_t* board, matrix_row_t current_matrix[], uint8_t row) { + matrix_row_t last_row_value = current_matrix[row]; + current_matrix[row] = 0; + + uint8_t board_row = matrix2board(row); + board_select_slave_row(board, board_row); + wait_us(30); + + uint8_t cols = board_read_slave_cols(board); + for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { + uint8_t pin = board->col_pins[col_index]; + uint8_t pin_state = cols & PIN2BIT(pin); + current_matrix[row] |= pin_state ? 0 : (1 << col_index); + } + board_unselect_slave_row(board, board_row); + + return (last_row_value != current_matrix[row]); +} + +// +// Functions for master board +// +static void board_select_master_row(board_info_t* board, uint8_t board_row) { + setPinOutput(board->row_pins[board_row]); + writePinLow(board->row_pins[board_row]); +} + +static void board_unselect_master_row(board_info_t* board, uint8_t board_row) { setPinInputHigh(board->row_pins[board_row]); } + +static void board_unselect_master_rows(board_info_t* board) { + if (!board) { + return; + } + for (uint8_t x = 0; x < NUM_ROWS; x++) { + setPinInput(board->row_pins[x]); + } +} + +/* + * row : matrix row (not board row) + */ +static bool board_read_cols_on_master_row(board_info_t* board, matrix_row_t current_matrix[], uint8_t row) { + matrix_row_t last_row_value = current_matrix[row]; + current_matrix[row] = 0; + + uint8_t board_row = matrix2board(row); + board_select_master_row(board, board_row); + wait_us(30); + + for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { + uint8_t pin_state = readPin(board->col_pins[col_index]); + current_matrix[row] |= pin_state ? 0 : (1 << col_index); + } + board_unselect_master_row(board, board_row); + + return (last_row_value != current_matrix[row]); +} + +static void board_master_init(void) { + board_info_t* board = get_master_board(); + if (!board) { + return; + } + for (uint8_t x = 0; x < NUM_COLS; x++) { + setPinInputHigh(board->col_pins[x]); + } + board->initialized = true; +} + +static void board_setup(void) { + for (uint8_t i = 0; i < NUM_BOARDS; i++) { + board_info_t* board = &boards[i]; + board->interface = get_interface(board); + } +} + +// +// Public functions +// + +// NOTE: Do not call this while matrix scanning... +void board_set_led_by_index(uint8_t board_index, uint8_t led_index, bool status) { + board_info_t* board = get_board_by_index(board_index); + if (!board) return; + if (led_index < 0 || led_index > NUM_LEDS) return; + (*board->interface->set_led)(board, led_index, status); +} + +bool board_read_cols_on_row(matrix_row_t current_matrix[], uint8_t row) { + bool result = false; + board_info_t* board = get_board(row); + if (!board) { + return false; + } + result = (*board->interface->read_cols_on_row)(board, current_matrix, row); + return result; +} + +void board_select_row(uint8_t row) { + board_info_t* board = get_board(row); + if (!board) { + return; + } + uint8_t board_row = matrix2board(row); + (*board->interface->select_row)(board, board_row); +} + +void board_unselect_row(uint8_t row) { + board_info_t* board = get_board(row); + if (!board) { + return; + } + uint8_t board_row = matrix2board(row); + (*board->interface->unselect_row)(board, board_row); +} + +void board_unselect_rows(void) { + for (uint8_t i = 0; i < NUM_BOARDS; i++) { + board_info_t* board = &boards[i]; + (*board->interface->unselect_rows)(board); + } +} + +void board_init(void) { + board_setup(); + board_master_init(); + board_slave_init(); + board_unselect_rows(); +} -- cgit v1.2.3