diff --git a/keyboards/redox/config.h b/keyboards/redox/config.h new file mode 100644 index 000000000..1083ff5f5 --- /dev/null +++ b/keyboards/redox/config.h @@ -0,0 +1,23 @@ +/* +Copyright 2018 Mattia Dal Ben + +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 . +*/ + +#ifndef CONFIG_H +#define CONFIG_H + +#include "config_common.h" + +#endif diff --git a/keyboards/redox/i2c.c b/keyboards/redox/i2c.c new file mode 100644 index 000000000..084c890c4 --- /dev/null +++ b/keyboards/redox/i2c.c @@ -0,0 +1,162 @@ +#include +#include +#include +#include +#include +#include +#include "i2c.h" + +#ifdef USE_I2C + +// Limits the amount of we wait for any one i2c transaction. +// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is +// 9 bits, a single transaction will take around 90μs to complete. +// +// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit +// poll loop takes at least 8 clock cycles to execute +#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8 + +#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE) + +volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; + +static volatile uint8_t slave_buffer_pos; +static volatile bool slave_has_register_set = false; + +// Wait for an i2c operation to finish +inline static +void i2c_delay(void) { + uint16_t lim = 0; + while(!(TWCR & (1<10. + // Check datasheets for more info. + TWBR = ((F_CPU/SCL_CLOCK)-16)/2; +} + +// Start a transaction with the given i2c slave address. The direction of the +// transfer is set with I2C_READ and I2C_WRITE. +// returns: 0 => success +// 1 => error +uint8_t i2c_master_start(uint8_t address) { + TWCR = (1< slave ACK +// 1 => slave NACK +uint8_t i2c_master_write(uint8_t data) { + TWDR = data; + TWCR = (1<= SLAVE_BUFFER_SIZE ) { + ack = 0; + slave_buffer_pos = 0; + } + slave_has_register_set = true; + } else { + i2c_slave_buffer[slave_buffer_pos] = TWDR; + BUFFER_POS_INC(); + } + break; + + case TW_ST_SLA_ACK: + case TW_ST_DATA_ACK: + // master has addressed this device as a slave transmitter and is + // requesting data. + TWDR = i2c_slave_buffer[slave_buffer_pos]; + BUFFER_POS_INC(); + break; + + case TW_BUS_ERROR: // something went wrong, reset twi state + TWCR = 0; + default: + break; + } + // Reset everything, so we are ready for the next TWI interrupt + TWCR |= (1< + +#ifndef F_CPU +#define F_CPU 16000000UL +#endif + +#define I2C_READ 1 +#define I2C_WRITE 0 + +#define I2C_ACK 1 +#define I2C_NACK 0 + +#define SLAVE_BUFFER_SIZE 0x10 + +// i2c SCL clock frequency +#define SCL_CLOCK 100000L + +extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; + +void i2c_master_init(void); +uint8_t i2c_master_start(uint8_t address); +void i2c_master_stop(void); +uint8_t i2c_master_write(uint8_t data); +uint8_t i2c_master_read(int); +void i2c_reset_state(void); +void i2c_slave_init(uint8_t address); + + +static inline unsigned char i2c_start_read(unsigned char addr) { + return i2c_master_start((addr << 1) | I2C_READ); +} + +static inline unsigned char i2c_start_write(unsigned char addr) { + return i2c_master_start((addr << 1) | I2C_WRITE); +} + +// from SSD1306 scrips +extern unsigned char i2c_rep_start(unsigned char addr); +extern void i2c_start_wait(unsigned char addr); +extern unsigned char i2c_readAck(void); +extern unsigned char i2c_readNak(void); +extern unsigned char i2c_read(unsigned char ack); + +#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak(); + +#endif diff --git a/keyboards/redox/keymaps/default/config.h b/keyboards/redox/keymaps/default/config.h new file mode 100644 index 000000000..ef1b4d944 --- /dev/null +++ b/keyboards/redox/keymaps/default/config.h @@ -0,0 +1,41 @@ +/* +Copyright 2017 Danny Nguyen + +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 . +*/ + +#ifndef CONFIG_USER_H +#define CONFIG_USER_H + +#include "../../config.h" + +/* Use I2C or Serial, not both */ + +// #define USE_SERIAL +#define USE_I2C + +/* Select hand configuration */ + +#define MASTER_LEFT +// #define MASTER_RIGHT +// #define EE_HANDS + +#undef RGBLED_NUM +#define RGBLIGHT_ANIMATIONS +#define RGBLED_NUM 14 +#define RGBLIGHT_HUE_STEP 8 +#define RGBLIGHT_SAT_STEP 8 +#define RGBLIGHT_VAL_STEP 8 + +#endif diff --git a/keyboards/redox/keymaps/default/keymap.c b/keyboards/redox/keymaps/default/keymap.c new file mode 100644 index 000000000..d8fd76d02 --- /dev/null +++ b/keyboards/redox/keymaps/default/keymap.c @@ -0,0 +1,117 @@ +#include QMK_KEYBOARD_H + +extern keymap_config_t keymap_config; +extern rgblight_config_t rgblight_config; + +// Each layer gets a name for readability, which is then used in the keymap matrix below. +// The underscores don't mean anything - you can have a layer called STUFF or any other name. +// Layer names don't all need to be of the same length, obviously, and you can also skip them +// entirely and just use numbers. +#define _QWERTY 0 +#define _SYMB 1 +#define _NAV 2 +#define _ADJUST 3 + +enum custom_keycodes { + QWERTY = SAFE_RANGE, + SYMB, + NAV, + ADJUST, +}; + +// Fillers to make layering more clear +#define KC_ KC_TRNS +#define _______ KC_TRNS +#define XXXXXXX KC_NO + +const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { + +/* QWERTY + * ,------------------------------------------------. ,------------------------------------------------. + * |\-Lyr2| 1 | 2 | 3 | 4 | 5 | Lyr1 | | Lyr1 | 6 | 7 | 8 | 9 | 0 |'-Lyr2| + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | Tab | Q | W | E | R | T | [ | | ] | Y | U | I | O | P | è | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | Esc | A | S | D | F | G | PgUp | | End | H | J | K | L | ò | à | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | Shift| Z | X | C | V | B | PgDn | | Home | N | M | , | . | ù |-(Sft)| + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * |<(Gui)| + | - |*(Alt)|/(Ctr)|Bcksp | Del | |Enter |Space |ì(AlG)| Left | Down | Up | Right| + * `------------------------------------------------' `------------------------------------------------' + */ + [_QWERTY] = LAYOUT( + //,----+----+----+----+----+----+----. ,----+----+----+----+----+----+----. + LT(_NAV, KC_GRV) , KC_1 , KC_2 , KC_3 , KC_4 , KC_5 ,MO(_SYMB), MO(_SYMB), KC_6 , KC_7 , KC_8 , KC_9 , KC_0 ,LT(_NAV, KC_MINS), + //|----+----+----+----+----+----+----| |----+----+----+----+----+----+----| + KC_TAB , KC_Q , KC_W , KC_E , KC_R , KC_T ,RALT(KC_LBRC), RALT(KC_RBRC) , KC_Y , KC_U , KC_I , KC_O , KC_P ,KC_LBRC, + //|----+----+----+----+----+----+----| |----+----+----+----+----+----+----| + KC_ESC , KC_A , KC_S , KC_D , KC_F , KC_G , LT(_ADJUST, KC_PGUP), LT( _ADJUST, KC_END) , KC_H , KC_J , KC_K , KC_L ,KC_SCLN,KC_QUOT, + //|----+----+----+----+----+----+----| |----+----+----+----+----+----+----| + KC_LSFT, KC_Z , KC_X , KC_C , KC_V , KC_B ,KC_PGDN, KC_HOME , KC_N , KC_M ,KC_COMM,KC_DOT ,KC_BSLASH,RSFT_T(KC_SLSH), + //|----+----+----+----+----+----+----| |----+----+----+----+----+----+----| + LGUI_T(KC_NONUS_BSLASH),KC_PPLS,KC_PMNS,LALT_T(KC_PAST),LCTL_T(KC_PSLS),KC_BSPC,KC_DEL , KC_ENT , KC_SPC, RALT_T(KC_EQL),KC_LEFT,KC_DOWN, KC_UP ,KC_RGHT + //`----+----+----+----+----+----+----' `----+----+----+----+----+----+----' + ), + +/* Symbols + * ,------------------------------------------------. ,------------------------------------------------. + * | | F1 | F2 | F3 | F4 | F5 | | | | F6 | F7 | F8 | F9 | F10 | | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | | ! | @ | { | } | | | | | | | 7 | 8 | 9 | | | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | | # | $ | [ | ] | ~ | | | | | 4 | 5 | 6 | | | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | | % | ^ | ( | ) | ` | | | | | 1 | 2 | 3 | | | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | | | | | | | | | | | 0 | 0 | . | | | + * `------------------------------------------------' `------------------------------------------------' + */ + + [_SYMB] = LAYOUT( + _______, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, _______, _______, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, XXXXXXX, + _______, KC_EXLM, RALT(KC_SCLN), RALT(KC_LCBR), RALT(KC_RCBR), KC_TILD, _______, _______, XXXXXXX, KC_KP_7, KC_KP_8, KC_KP_9, XXXXXXX, XXXXXXX, + _______, RALT(KC_QUOT), KC_DLR , RALT(KC_LBRC), RALT(KC_RBRC), RALT(KC_EQL), _______, _______, XXXXXXX, KC_KP_4, KC_KP_5, KC_KP_6, XXXXXXX, XXXXXXX, + _______, KC_PERC, LSFT(KC_EQL) , LSFT(KC_8), LSFT(KC_9), RALT(KC_MINS), _______, _______, XXXXXXX, KC_KP_1, KC_KP_2, KC_KP_3, XXXXXXX, XXXXXXX, + _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_KP_0, KC_KP_0, KC_PDOT, XXXXXXX, XXXXXXX + ), + +/* Navigation + * ,------------------------------------------------. ,------------------------------------------------. + * | | | | | | | | | | | | | | | | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | | |MOUS_U| |WHEL_U| | | | | | | | | | | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | |MOUS_L|MOUS_D|MOUS_R|WHEL_D| | | | | LEFT | DOWN | UP |RIGHT | | | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | | | | | | | | | | | | | | | | + * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------| + * | | | | |MOUS_1|MOUS_2| | | | | | | | | | + * `------------------------------------------------' `------------------------------------------------' + */ + [_NAV] = LAYOUT( + _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, + XXXXXXX, XXXXXXX, KC_MS_U, XXXXXXX, KC_WH_U, XXXXXXX, _______, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, + XXXXXXX, KC_MS_L, KC_MS_D, KC_MS_R, KC_WH_D, XXXXXXX, _______, _______, KC_LEFT, KC_DOWN, KC_UP , KC_RIGHT,XXXXXXX, XXXXXXX, + XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, + XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_BTN1, KC_BTN2, _______, _______, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX + ), + + [_ADJUST] = LAYOUT( + XXXXXXX, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, XXXXXXX, + XXXXXXX, RESET , RGB_M_P, RGB_TOG, RGB_MOD, RGB_HUD, RGB_HUI, RGB_SAD, RGB_SAI, RGB_VAD, RGB_VAI, XXXXXXX, KC_DEL, XXXXXXX, + XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, + XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, + XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX + ) + +}; + +#ifdef AUDIO_ENABLE +float tone_qwerty[][2] = SONG(QWERTY_SOUND); +#endif + +void persistent_default_layer_set(uint16_t default_layer) { + eeconfig_update_default_layer(default_layer); + default_layer_set(default_layer); +} + diff --git a/keyboards/redox/keymaps/default/readme.md b/keyboards/redox/keymaps/default/readme.md new file mode 100644 index 000000000..7f086f6e1 --- /dev/null +++ b/keyboards/redox/keymaps/default/readme.md @@ -0,0 +1 @@ +# The default keymap for redox \ No newline at end of file diff --git a/keyboards/redox/keymaps/default/rules.mk b/keyboards/redox/keymaps/default/rules.mk new file mode 100644 index 000000000..1e5761278 --- /dev/null +++ b/keyboards/redox/keymaps/default/rules.mk @@ -0,0 +1,5 @@ +RGBLIGHT_ENABLE = yes + +ifndef QUANTUM_DIR + include ../../../../Makefile +endif diff --git a/keyboards/redox/matrix.c b/keyboards/redox/matrix.c new file mode 100644 index 000000000..20c0f1d34 --- /dev/null +++ b/keyboards/redox/matrix.c @@ -0,0 +1,455 @@ +/* +Copyright 2018 Mattia Dal Ben + +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 . +*/ + +/* + * scan matrix + */ +#include +#include +#include +#include "wait.h" +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" +#include "split_util.h" +#include "pro_micro.h" +#include "config.h" +#include "timer.h" + +#ifdef USE_I2C +# include "i2c.h" +#else // USE_SERIAL +# include "serial.h" +#endif + +#ifndef DEBOUNCING_DELAY +# define DEBOUNCING_DELAY 5 +#endif + +#if (DEBOUNCING_DELAY > 0) + static uint16_t debouncing_time; + static bool debouncing = false; +#endif + +#if (MATRIX_COLS <= 8) +# define print_matrix_header() print("\nr/c 01234567\n") +# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop(matrix[i]) +# define ROW_SHIFTER ((uint8_t)1) +#else +# error "Currently only supports 8 COLS" +#endif +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; + +#define ERROR_DISCONNECT_COUNT 5 + +#define ROWS_PER_HAND (MATRIX_ROWS/2) + +static uint8_t error_count = 0; + +static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; +static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; + +/* matrix state(1:on, 0:off) */ +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; + +#if (DIODE_DIRECTION == COL2ROW) + static void init_cols(void); + static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row); + static void unselect_rows(void); + static void select_row(uint8_t row); + static void unselect_row(uint8_t row); +#elif (DIODE_DIRECTION == ROW2COL) + static void init_rows(void); + static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col); + static void unselect_cols(void); + static void unselect_col(uint8_t col); + static void select_col(uint8_t col); +#endif + +__attribute__ ((weak)) +void matrix_init_kb(void) { + matrix_init_user(); +} + +__attribute__ ((weak)) +void matrix_scan_kb(void) { + matrix_scan_user(); +} + +__attribute__ ((weak)) +void matrix_init_user(void) { +} + +__attribute__ ((weak)) +void matrix_scan_user(void) { +} + +inline +uint8_t matrix_rows(void) +{ + return MATRIX_ROWS; +} + +inline +uint8_t matrix_cols(void) +{ + return MATRIX_COLS; +} + +void matrix_init(void) +{ + debug_enable = true; + debug_matrix = true; + debug_mouse = true; + // initialize row and col + unselect_rows(); + init_cols(); + + TX_RX_LED_INIT; + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + matrix_debouncing[i] = 0; + } + + matrix_init_quantum(); + +} + +uint8_t _matrix_scan(void) +{ + int offset = isLeftHand ? 0 : (ROWS_PER_HAND); +#if (DIODE_DIRECTION == COL2ROW) + // Set row, read cols + for (uint8_t current_row = 0; current_row < ROWS_PER_HAND; current_row++) { +# if (DEBOUNCING_DELAY > 0) + bool matrix_changed = read_cols_on_row(matrix_debouncing+offset, current_row); + + if (matrix_changed) { + debouncing = true; + debouncing_time = timer_read(); + PORTD ^= (1 << 2); + } + +# else + read_cols_on_row(matrix+offset, current_row); +# endif + + } + +#elif (DIODE_DIRECTION == ROW2COL) + // Set col, read rows + for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { +# if (DEBOUNCING_DELAY > 0) + bool matrix_changed = read_rows_on_col(matrix_debouncing+offset, current_col); + if (matrix_changed) { + debouncing = true; + debouncing_time = timer_read(); + } +# else + read_rows_on_col(matrix+offset, current_col); +# endif + + } +#endif + +# if (DEBOUNCING_DELAY > 0) + if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCING_DELAY)) { + for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { + matrix[i+offset] = matrix_debouncing[i+offset]; + } + debouncing = false; + } +# endif + + return 1; +} + +#ifdef USE_I2C + +// Get rows from other half over i2c +int i2c_transaction(void) { + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + + int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE); + if (err) goto i2c_error; + + // start of matrix stored at 0x00 + err = i2c_master_write(0x00); + if (err) goto i2c_error; + + // Start read + err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ); + if (err) goto i2c_error; + + if (!err) { + int i; + for (i = 0; i < ROWS_PER_HAND-1; ++i) { + matrix[slaveOffset+i] = i2c_master_read(I2C_ACK); + } + matrix[slaveOffset+i] = i2c_master_read(I2C_NACK); + i2c_master_stop(); + } else { +i2c_error: // the cable is disconnceted, or something else went wrong + i2c_reset_state(); + return err; + } + + return 0; +} + +#else // USE_SERIAL + +int serial_transaction(void) { + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + + if (serial_update_buffers()) { + return 1; + } + + for (int i = 0; i < ROWS_PER_HAND; ++i) { + matrix[slaveOffset+i] = serial_slave_buffer[i]; + } + return 0; +} +#endif + +uint8_t matrix_scan(void) +{ + uint8_t ret = _matrix_scan(); + +#ifdef USE_I2C + if( i2c_transaction() ) { +#else // USE_SERIAL + if( serial_transaction() ) { +#endif + // turn on the indicator led when halves are disconnected + TXLED1; + + error_count++; + + if (error_count > ERROR_DISCONNECT_COUNT) { + // reset other half if disconnected + int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; + for (int i = 0; i < ROWS_PER_HAND; ++i) { + matrix[slaveOffset+i] = 0; + } + } + } else { + // turn off the indicator led on no error + TXLED0; + error_count = 0; + } + matrix_scan_quantum(); + return ret; +} + +void matrix_slave_scan(void) { + _matrix_scan(); + + int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; + +#ifdef USE_I2C + for (int i = 0; i < ROWS_PER_HAND; ++i) { + i2c_slave_buffer[i] = matrix[offset+i]; + } +#else // USE_SERIAL + for (int i = 0; i < ROWS_PER_HAND; ++i) { + serial_slave_buffer[i] = matrix[offset+i]; + } +#endif +} + +bool matrix_is_modified(void) +{ + if (debouncing) return false; + return true; +} + +inline +bool matrix_is_on(uint8_t row, uint8_t col) +{ + return (matrix[row] & ((matrix_row_t)1<> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + +static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) +{ + // Store last value of row prior to reading + matrix_row_t last_row_value = current_matrix[current_row]; + + // Clear data in matrix row + current_matrix[current_row] = 0; + + // Select row and wait for row selecton to stabilize + select_row(current_row); + wait_us(30); + + // For each col... + for(uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { + + // Select the col pin to read (active low) + uint8_t pin = col_pins[col_index]; + uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)); + + // Populate the matrix row with the state of the col pin + current_matrix[current_row] |= pin_state ? 0 : (ROW_SHIFTER << col_index); + } + + // Unselect row + unselect_row(current_row); + + return (last_row_value != current_matrix[current_row]); +} + +static void select_row(uint8_t row) +{ + uint8_t pin = row_pins[row]; + _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT + _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW +} + +static void unselect_row(uint8_t row) +{ + uint8_t pin = row_pins[row]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI +} + +static void unselect_rows(void) +{ + for(uint8_t x = 0; x < ROWS_PER_HAND; x++) { + uint8_t pin = row_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + +#elif (DIODE_DIRECTION == ROW2COL) + +static void init_rows(void) +{ + for(uint8_t x = 0; x < ROWS_PER_HAND; x++) { + uint8_t pin = row_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + +static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) +{ + bool matrix_changed = false; + + // Select col and wait for col selecton to stabilize + select_col(current_col); + wait_us(30); + + // For each row... + for(uint8_t row_index = 0; row_index < ROWS_PER_HAND; row_index++) + { + + // Store last value of row prior to reading + matrix_row_t last_row_value = current_matrix[row_index]; + + // Check row pin state + if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF)) == 0) + { + // Pin LO, set col bit + current_matrix[row_index] |= (ROW_SHIFTER << current_col); + } + else + { + // Pin HI, clear col bit + current_matrix[row_index] &= ~(ROW_SHIFTER << current_col); + } + + // Determine if the matrix changed state + if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) + { + matrix_changed = true; + } + } + + // Unselect col + unselect_col(current_col); + + return matrix_changed; +} + +static void select_col(uint8_t col) +{ + uint8_t pin = col_pins[col]; + _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT + _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW +} + +static void unselect_col(uint8_t col) +{ + uint8_t pin = col_pins[col]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI +} + +static void unselect_cols(void) +{ + for(uint8_t x = 0; x < MATRIX_COLS; x++) { + uint8_t pin = col_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + +#endif diff --git a/keyboards/redox/readme.md b/keyboards/redox/readme.md new file mode 100644 index 000000000..6e1d980a7 --- /dev/null +++ b/keyboards/redox/readme.md @@ -0,0 +1,25 @@ +# The Redox keyboard + +

+Redox logo +

+ +

+Redox PCB rev1.0 +

+ +**Redox**: the **R**educed **E**rgo**dox** project. More information and building instruction [here](https://github.com/mattdibi/redox-keyboard). + +- Keyboard Maintainer: [Mattia Dal Ben](https://github.com/mattdibi) +- Hardware Supported: Redox PCB rev1.0 w/ Pro Micro +- Hardware Availability: [Falbatech](https://falba.tech/product-category/keyboard-parts/redox-parts/) + +Make example for this keyboard (after setting up your build environment): + + make redox/rev1:default + +Example of flashing this keyboard: + + make redox/rev1:default:avrdude + +See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information. diff --git a/keyboards/redox/redox.c b/keyboards/redox/redox.c new file mode 100644 index 000000000..7fa3545a4 --- /dev/null +++ b/keyboards/redox/redox.c @@ -0,0 +1,16 @@ +/* Copyright 2017 REPLACE_WITH_YOUR_NAME + * + * 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 "redox.h" diff --git a/keyboards/redox/redox.h b/keyboards/redox/redox.h new file mode 100644 index 000000000..73f5ab85a --- /dev/null +++ b/keyboards/redox/redox.h @@ -0,0 +1,41 @@ +/* Copyright 2017 REPLACE_WITH_YOUR_NAME + * + * 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 . + */ +#ifndef REDOX_H +#define REDOX_H + +#ifdef KEYBOARD_redox_rev1 + #include "rev1.h" +#endif + +// Used to create a keymap using only KC_ prefixed keys +#define LAYOUT_kc( \ + L00, L01, L02, L03, L04, L05, L06, R00, R01, R02, R03, R04, R05, R06, \ + L10, L11, L12, L13, L14, L15, L16, R10, R11, R12, R13, R14, R15, R16, \ + L20, L21, L22, L23, L24, L25, L26, R20, R21, R22, R23, R24, R25, R26, \ + L30, L31, L32, L33, L34, L35, L36, R30, R31, R32, R33, R34, R35, R36, \ + L40, L41, L42, L43, L44, L45, L46, R40, R41, R42, R43, R44, R45, R46 \ + ) \ + KEYMAP( \ + KC_##L00, KC_##L01, KC_##L02, KC_##L03, KC_##L04, KC_##L05, KC_##L06, KC_##R00, KC_##R01, KC_##R02, KC_##R03, KC_##R04, KC_##R05, KC_##R06, \ + KC_##L10, KC_##L11, KC_##L12, KC_##L13, KC_##L14, KC_##L15, KC_##L16, KC_##R10, KC_##R11, KC_##R12, KC_##R13, KC_##R14, KC_##R15, KC_##R16, \ + KC_##L20, KC_##L21, KC_##L22, KC_##L23, KC_##L24, KC_##L25, KC_##L26, KC_##R20, KC_##R21, KC_##R22, KC_##R23, KC_##R24, KC_##R25, KC_##R26, \ + KC_##L30, KC_##L31, KC_##L32, KC_##L33, KC_##L34, KC_##L35, KC_##L36, KC_##R30, KC_##R31, KC_##R32, KC_##R33, KC_##R34, KC_##R35, KC_##R36, \ + KC_##L40, KC_##L41, KC_##L42, KC_##L43, KC_##L44, KC_##L45, KC_##L46, KC_##R40, KC_##R41, KC_##R42, KC_##R43, KC_##R44, KC_##R45, KC_##R46 \ + ) + +#include "quantum.h" + +#endif diff --git a/keyboards/redox/rev1/config.h b/keyboards/redox/rev1/config.h new file mode 100644 index 000000000..f8041f235 --- /dev/null +++ b/keyboards/redox/rev1/config.h @@ -0,0 +1,88 @@ +/* +Copyright 2018 Mattia Dal Ben + +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 . +*/ + +#ifndef REV1_CONFIG_H +#define REV1_CONFIG_H + +#include "config_common.h" + +/* USB Device descriptor parameter */ +#define VENDOR_ID 0xFEED +#define PRODUCT_ID 0x0000 +#define DEVICE_VER 0x0100 +#define MANUFACTURER Falbatech +#define PRODUCT The Redox Keyboard +#define DESCRIPTION Split Ergodox-like 5x7 custom keyboard + +/* key matrix size */ +// Rows are doubled-up +#define MATRIX_ROWS 10 +#define MATRIX_COLS 7 + +// wiring of each half +#define MATRIX_ROW_PINS { D4, D7, E6, B4, B5 } +#define MATRIX_COL_PINS { F5, F6, F7, B1, B3, B2, B6 } +// #define MATRIX_COL_PINS { B6, B2, B3, B1, F7, F6, F5} //uncomment this line and comment line above if you need to reverse left-to-right key order + +/* COL2ROW or ROW2COL */ +#define DIODE_DIRECTION COL2ROW + +/* define if matrix has ghost */ +//#define MATRIX_HAS_GHOST + +/* number of backlight levels */ +// #define BACKLIGHT_LEVELS 3 + +/* Set 0 if debouncing isn't needed */ +#define DEBOUNCING_DELAY 5 + +/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */ +#define LOCKING_SUPPORT_ENABLE +/* Locking resynchronize hack */ +#define LOCKING_RESYNC_ENABLE + +/* key combination for command */ +#define IS_COMMAND() ( \ + keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \ +) + +/* ws2812 RGB LED */ +#define RGB_DI_PIN D3 +#define RGBLIGHT_TIMER +#define RGBLED_NUM 14 // Number of LEDs +#define ws2812_PORTREG PORTD +#define ws2812_DDRREG DDRD + +/* + * Feature disable options + * These options are also useful to firmware size reduction. + */ + +/* disable debug print */ +// #define NO_DEBUG + +/* disable print */ +// #define NO_PRINT + +/* disable action features */ +//#define NO_ACTION_LAYER +//#define NO_ACTION_TAPPING +//#define NO_ACTION_ONESHOT +//#define NO_ACTION_MACRO +//#define NO_ACTION_FUNCTION + +#endif diff --git a/keyboards/redox/rev1/rev1.c b/keyboards/redox/rev1/rev1.c new file mode 100644 index 000000000..2eb7c7c0e --- /dev/null +++ b/keyboards/redox/rev1/rev1.c @@ -0,0 +1,22 @@ +#include "redox.h" + + +#ifdef SSD1306OLED +void led_set_kb(uint8_t usb_led) { + // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here + led_set_user(usb_led); +} +#endif + +void matrix_init_kb(void) { + + // // green led on + // DDRD |= (1<<5); + // PORTD &= ~(1<<5); + + // // orange led on + // DDRB |= (1<<0); + // PORTB &= ~(1<<0); + + matrix_init_user(); +}; diff --git a/keyboards/redox/rev1/rev1.h b/keyboards/redox/rev1/rev1.h new file mode 100644 index 000000000..be6224750 --- /dev/null +++ b/keyboards/redox/rev1/rev1.h @@ -0,0 +1,66 @@ +#ifndef REV1_H +#define REV1_H + +#include "../redox.h" + +//void promicro_bootloader_jmp(bool program); +#include "quantum.h" + + +#ifdef USE_I2C +#include +#ifdef __AVR__ + #include + #include +#endif +#endif + +//void promicro_bootloader_jmp(bool program); + +#ifndef FLIP_HALF +// Standard Keymap +// (TRRS jack on the left half is to the right, TRRS jack on the right half is to the left) +#define LAYOUT( \ + L00, L01, L02, L03, L04, L05, L06, R00, R01, R02, R03, R04, R05, R06, \ + L10, L11, L12, L13, L14, L15, L16, R10, R11, R12, R13, R14, R15, R16, \ + L20, L21, L22, L23, L24, L25, L26, R20, R21, R22, R23, R24, R25, R26, \ + L30, L31, L32, L33, L34, L35, L36, R30, R31, R32, R33, R34, R35, R36, \ + L40, L41, L42, L43, L44, L45, L46, R40, R41, R42, R43, R44, R45, R46 \ + ) \ + { \ + { L00, L01, L02, L03, L04, L05, L06 }, \ + { L10, L11, L12, L13, L14, L15, L16 }, \ + { L20, L21, L22, L23, L24, L25, L26 }, \ + { L30, L31, L32, L33, L34, L35, L36 }, \ + { L40, L41, L42, L43, L44, L45, L46 }, \ + { R06, R05, R04, R03, R02, R01, R00 }, \ + { R16, R15, R14, R13, R12, R11, R10 }, \ + { R26, R25, R24, R23, R22, R21, R20 }, \ + { R36, R35, R34, R33, R32, R31, R30 }, \ + { R46, R45, R44, R43, R42, R41, R40 } \ + } +#else +// Keymap with right side flipped +// (TRRS jack on both halves are to the right) +#define LAYOUT( \ + L00, L01, L02, L03, L04, L05, L06, R00, R01, R02, R03, R04, R05, R06, \ + L10, L11, L12, L13, L14, L15, L16, R10, R11, R12, R13, R14, R15, R16, \ + L20, L21, L22, L23, L24, L25, L26, R20, R21, R22, R23, R24, R25, R26, \ + L30, L31, L32, L33, L34, L35, L36, R30, R31, R32, R33, R34, R35, R36, \ + L40, L41, L42, L43, L44, L45, L46, R40, R41, R42, R43, R44, R45, R46 \ + ) \ + { \ + { L00, L01, L02, L03, L04, L05, L06 }, \ + { L10, L11, L12, L13, L14, L15, L16 }, \ + { L20, L21, L22, L23, L24, L25, L26 }, \ + { L30, L31, L32, L33, L34, L35, L36 }, \ + { L40, L41, L42, L43, L44, L45, L46 }, \ + { R00, R01, R02, R03, R04, R05, R06 }, \ + { R10, R11, R12, R13, R14, R15, R16 }, \ + { R20, R21, R22, R23, R24, R25, R26 }, \ + { R30, R31, R32, R33, R34, R35, R36 }, \ + { R40, R41, R42, R43, R44, R45, R46 } \ + } +#endif + +#endif diff --git a/keyboards/redox/rev1/rules.mk b/keyboards/redox/rev1/rules.mk new file mode 100644 index 000000000..f84561674 --- /dev/null +++ b/keyboards/redox/rev1/rules.mk @@ -0,0 +1 @@ +BACKLIGHT_ENABLE = no \ No newline at end of file diff --git a/keyboards/redox/rules.mk b/keyboards/redox/rules.mk new file mode 100644 index 000000000..3e79bf1fe --- /dev/null +++ b/keyboards/redox/rules.mk @@ -0,0 +1,80 @@ +SRC += matrix.c \ + i2c.c \ + split_util.c \ + serial.c + +# MCU name +#MCU = at90usb1286 +MCU = atmega32u4 + +# Processor frequency. +# This will define a symbol, F_CPU, in all source code files equal to the +# processor frequency in Hz. You can then use this symbol in your source code to +# calculate timings. Do NOT tack on a 'UL' at the end, this will be done +# automatically to create a 32-bit value in your source code. +# +# This will be an integer division of F_USB below, as it is sourced by +# F_USB after it has run through any CPU prescalers. Note that this value +# does not *change* the processor frequency - it should merely be updated to +# reflect the processor speed set externally so that the code can use accurate +# software delays. +F_CPU = 16000000 + + +# +# LUFA specific +# +# Target architecture (see library "Board Types" documentation). +ARCH = AVR8 + +# Input clock frequency. +# This will define a symbol, F_USB, in all source code files equal to the +# input clock frequency (before any prescaling is performed) in Hz. This value may +# differ from F_CPU if prescaling is used on the latter, and is required as the +# raw input clock is fed directly to the PLL sections of the AVR for high speed +# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL' +# at the end, this will be done automatically to create a 32-bit value in your +# source code. +# +# If no clock division is performed on the input clock inside the AVR (via the +# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU. +F_USB = $(F_CPU) + +# Interrupt driven control endpoint task(+60) +OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT + + +# Boot Section Size in *bytes* +# Teensy halfKay 512 +# Teensy++ halfKay 1024 +# Atmel DFU loader 4096 +# LUFA bootloader 4096 +# USBaspLoader 2048 +OPT_DEFS += -DBOOTLOADER_SIZE=4096 + + +# Build Options +# change yes to no to disable +# +BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000) +MOUSEKEY_ENABLE = yes # Mouse keys(+4700) +EXTRAKEY_ENABLE = yes # Audio control and System control(+450) +CONSOLE_ENABLE = no # Console for debug(+400) +COMMAND_ENABLE = yes # Commands for debug and configuration +# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE +SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend +# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work +NKRO_ENABLE = no # USB Nkey Rollover +BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality on B7 by default +MIDI_ENABLE = no # MIDI support (+2400 to 4200, depending on config) +UNICODE_ENABLE = no # Unicode +BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID +AUDIO_ENABLE = no # Audio output on port C6 +FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches +RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight. Do not enable this with audio at the same time. +SUBPROJECT_rev1 = yes +USE_I2C = yes + +CUSTOM_MATRIX = yes + +DEFAULT_FOLDER = redox/rev1 diff --git a/keyboards/redox/serial.c b/keyboards/redox/serial.c new file mode 100644 index 000000000..6faed09ce --- /dev/null +++ b/keyboards/redox/serial.c @@ -0,0 +1,228 @@ +/* + * WARNING: be careful changing this code, it is very timing dependent + */ + +#ifndef F_CPU +#define F_CPU 16000000 +#endif + +#include +#include +#include +#include +#include "serial.h" + +#ifdef USE_SERIAL + +// Serial pulse period in microseconds. Its probably a bad idea to lower this +// value. +#define SERIAL_DELAY 24 + +uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0}; +uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0}; + +#define SLAVE_DATA_CORRUPT (1<<0) +volatile uint8_t status = 0; + +inline static +void serial_delay(void) { + _delay_us(SERIAL_DELAY); +} + +inline static +void serial_output(void) { + SERIAL_PIN_DDR |= SERIAL_PIN_MASK; +} + +// make the serial pin an input with pull-up resistor +inline static +void serial_input(void) { + SERIAL_PIN_DDR &= ~SERIAL_PIN_MASK; + SERIAL_PIN_PORT |= SERIAL_PIN_MASK; +} + +inline static +uint8_t serial_read_pin(void) { + return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK); +} + +inline static +void serial_low(void) { + SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK; +} + +inline static +void serial_high(void) { + SERIAL_PIN_PORT |= SERIAL_PIN_MASK; +} + +void serial_master_init(void) { + serial_output(); + serial_high(); +} + +void serial_slave_init(void) { + serial_input(); + + // Enable INT0 + EIMSK |= _BV(INT0); + // Trigger on falling edge of INT0 + EICRA &= ~(_BV(ISC00) | _BV(ISC01)); +} + +// Used by the master to synchronize timing with the slave. +static +void sync_recv(void) { + serial_input(); + // This shouldn't hang if the slave disconnects because the + // serial line will float to high if the slave does disconnect. + while (!serial_read_pin()); + serial_delay(); +} + +// Used by the slave to send a synchronization signal to the master. +static +void sync_send(void) { + serial_output(); + + serial_low(); + serial_delay(); + + serial_high(); +} + +// Reads a byte from the serial line +static +uint8_t serial_read_byte(void) { + uint8_t byte = 0; + serial_input(); + for ( uint8_t i = 0; i < 8; ++i) { + byte = (byte << 1) | serial_read_pin(); + serial_delay(); + _delay_us(1); + } + + return byte; +} + +// Sends a byte with MSB ordering +static +void serial_write_byte(uint8_t data) { + uint8_t b = 8; + serial_output(); + while( b-- ) { + if(data & (1 << b)) { + serial_high(); + } else { + serial_low(); + } + serial_delay(); + } +} + +// interrupt handle to be used by the slave device +ISR(SERIAL_PIN_INTERRUPT) { + sync_send(); + + uint8_t checksum = 0; + for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) { + serial_write_byte(serial_slave_buffer[i]); + sync_send(); + checksum += serial_slave_buffer[i]; + } + serial_write_byte(checksum); + sync_send(); + + // wait for the sync to finish sending + serial_delay(); + + // read the middle of pulses + _delay_us(SERIAL_DELAY/2); + + uint8_t checksum_computed = 0; + for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) { + serial_master_buffer[i] = serial_read_byte(); + sync_send(); + checksum_computed += serial_master_buffer[i]; + } + uint8_t checksum_received = serial_read_byte(); + sync_send(); + + serial_input(); // end transaction + + if ( checksum_computed != checksum_received ) { + status |= SLAVE_DATA_CORRUPT; + } else { + status &= ~SLAVE_DATA_CORRUPT; + } +} + +inline +bool serial_slave_DATA_CORRUPT(void) { + return status & SLAVE_DATA_CORRUPT; +} + +// Copies the serial_slave_buffer to the master and sends the +// serial_master_buffer to the slave. +// +// Returns: +// 0 => no error +// 1 => slave did not respond +int serial_update_buffers(void) { + // this code is very time dependent, so we need to disable interrupts + cli(); + + // signal to the slave that we want to start a transaction + serial_output(); + serial_low(); + _delay_us(1); + + // wait for the slaves response + serial_input(); + serial_high(); + _delay_us(SERIAL_DELAY); + + // check if the slave is present + if (serial_read_pin()) { + // slave failed to pull the line low, assume not present + sei(); + return 1; + } + + // if the slave is present syncronize with it + sync_recv(); + + uint8_t checksum_computed = 0; + // receive data from the slave + for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) { + serial_slave_buffer[i] = serial_read_byte(); + sync_recv(); + checksum_computed += serial_slave_buffer[i]; + } + uint8_t checksum_received = serial_read_byte(); + sync_recv(); + + if (checksum_computed != checksum_received) { + sei(); + return 1; + } + + uint8_t checksum = 0; + // send data to the slave + for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) { + serial_write_byte(serial_master_buffer[i]); + sync_recv(); + checksum += serial_master_buffer[i]; + } + serial_write_byte(checksum); + sync_recv(); + + // always, release the line when not in use + serial_output(); + serial_high(); + + sei(); + return 0; +} + +#endif diff --git a/keyboards/redox/serial.h b/keyboards/redox/serial.h new file mode 100644 index 000000000..15fe4db7b --- /dev/null +++ b/keyboards/redox/serial.h @@ -0,0 +1,26 @@ +#ifndef MY_SERIAL_H +#define MY_SERIAL_H + +#include "config.h" +#include + +/* TODO: some defines for interrupt setup */ +#define SERIAL_PIN_DDR DDRD +#define SERIAL_PIN_PORT PORTD +#define SERIAL_PIN_INPUT PIND +#define SERIAL_PIN_MASK _BV(PD0) +#define SERIAL_PIN_INTERRUPT INT0_vect + +#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2 +#define SERIAL_MASTER_BUFFER_LENGTH 1 + +// Buffers for master - slave communication +extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH]; +extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH]; + +void serial_master_init(void); +void serial_slave_init(void); +int serial_update_buffers(void); +bool serial_slave_data_corrupt(void); + +#endif diff --git a/keyboards/redox/split_util.c b/keyboards/redox/split_util.c new file mode 100644 index 000000000..346cbc908 --- /dev/null +++ b/keyboards/redox/split_util.c @@ -0,0 +1,86 @@ +#include +#include +#include +#include +#include +#include +#include "split_util.h" +#include "matrix.h" +#include "keyboard.h" +#include "config.h" +#include "timer.h" + +#ifdef USE_I2C +# include "i2c.h" +#else +# include "serial.h" +#endif + +volatile bool isLeftHand = true; + +static void setup_handedness(void) { + #ifdef EE_HANDS + isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS); + #else + // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c + #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT) + isLeftHand = !has_usb(); + #else + isLeftHand = has_usb(); + #endif + #endif +} + +static void keyboard_master_setup(void) { +#ifdef USE_I2C + i2c_master_init(); +#ifdef SSD1306OLED + matrix_master_OLED_init (); +#endif +#else + serial_master_init(); +#endif +} + +static void keyboard_slave_setup(void) { + timer_init(); +#ifdef USE_I2C + i2c_slave_init(SLAVE_I2C_ADDRESS); +#else + serial_slave_init(); +#endif +} + +bool has_usb(void) { + USBCON |= (1 << OTGPADE); //enables VBUS pad + _delay_us(5); + return (USBSTA & (1< +#include "eeconfig.h" + + +#define SLAVE_I2C_ADDRESS 0x32 + +extern volatile bool isLeftHand; + +// slave version of matix scan, defined in matrix.c +void matrix_slave_scan(void); + +void split_keyboard_setup(void); +bool has_usb(void); +void keyboard_slave_loop(void); + +void matrix_master_OLED_init (void); + +#endif