From 502895671d55f6a9be06aac0bed8d0ee91f2ba84 Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Thu, 14 Jun 2018 20:56:45 +0200 Subject: Add splitty keyboard --- keyboards/splitty/config.h | 27 ++ keyboards/splitty/i2c.c | 163 ++++++++++ keyboards/splitty/i2c.h | 50 +++ keyboards/splitty/keymaps/default/config.h | 31 ++ keyboards/splitty/keymaps/default/keymap.c | 25 ++ keyboards/splitty/matrix.c | 483 +++++++++++++++++++++++++++++ keyboards/splitty/readme.md | 1 + keyboards/splitty/rev1/config.h | 78 +++++ keyboards/splitty/rev1/rev1.c | 2 + keyboards/splitty/rev1/rev1.h | 28 ++ keyboards/splitty/rev1/rules.mk | 0 keyboards/splitty/rules.mk | 72 +++++ keyboards/splitty/serial.c | 229 ++++++++++++++ keyboards/splitty/serial.h | 27 ++ keyboards/splitty/split_util.c | 33 ++ keyboards/splitty/split_util.h | 16 + keyboards/splitty/splitty.c | 18 ++ keyboards/splitty/splitty.h | 27 ++ 18 files changed, 1310 insertions(+) create mode 100644 keyboards/splitty/config.h create mode 100644 keyboards/splitty/i2c.c create mode 100644 keyboards/splitty/i2c.h create mode 100644 keyboards/splitty/keymaps/default/config.h create mode 100644 keyboards/splitty/keymaps/default/keymap.c create mode 100644 keyboards/splitty/matrix.c create mode 100644 keyboards/splitty/readme.md create mode 100644 keyboards/splitty/rev1/config.h create mode 100644 keyboards/splitty/rev1/rev1.c create mode 100644 keyboards/splitty/rev1/rev1.h create mode 100644 keyboards/splitty/rev1/rules.mk create mode 100644 keyboards/splitty/rules.mk create mode 100644 keyboards/splitty/serial.c create mode 100644 keyboards/splitty/serial.h create mode 100644 keyboards/splitty/split_util.c create mode 100644 keyboards/splitty/split_util.h create mode 100644 keyboards/splitty/splitty.c create mode 100644 keyboards/splitty/splitty.h (limited to 'keyboards') diff --git a/keyboards/splitty/config.h b/keyboards/splitty/config.h new file mode 100644 index 000000000..2b986716a --- /dev/null +++ b/keyboards/splitty/config.h @@ -0,0 +1,27 @@ +/* +Copyright 2012 Jun Wako +Copyright 2015 Jack Humbert + +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" + +/* Select hand configuration */ +#define EE_HANDS + +#endif diff --git a/keyboards/splitty/i2c.c b/keyboards/splitty/i2c.c new file mode 100644 index 000000000..49ada2143 --- /dev/null +++ b/keyboards/splitty/i2c.c @@ -0,0 +1,163 @@ +#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< +#include "split_util.h" + +#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 400000L + +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/splitty/keymaps/default/config.h b/keyboards/splitty/keymaps/default/config.h new file mode 100644 index 000000000..f16666d05 --- /dev/null +++ b/keyboards/splitty/keymaps/default/config.h @@ -0,0 +1,31 @@ +/* +This is the c configuration file for the keymap + +Copyright 2012 Jun Wako +Copyright 2015 Jack Humbert + +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 + +#endif diff --git a/keyboards/splitty/keymaps/default/keymap.c b/keyboards/splitty/keymaps/default/keymap.c new file mode 100644 index 000000000..1eed81656 --- /dev/null +++ b/keyboards/splitty/keymaps/default/keymap.c @@ -0,0 +1,25 @@ +#include QMK_KEYBOARD_H + +extern keymap_config_t keymap_config; + +#define QWERTY 0 + +#define KC_ KC_TRNS +#define KC_SSPC ALGR_T(KC_SPC) + +const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { + [QWERTY] = LAYOUT_kc( + //,----+----+----+----+----+----+----. ,----+----+----+----+----+----+----. + ESC , 1 , 2 , 3 , 4 , 5 ,GRV , EQL , 6 , 7 , 8 , 9 , 0 ,MINS, + //|----+----+----+----+----+----+----| |----+----+----+----+----+----+----| + RBRC, Q , W , E , R , T ,ENT , ENT , Y , U , I , O , P ,LBRC, + //|----+----+----+----+----+----| | | |----+----+----+----+----+----| + TAB , A , S , D , F , G ,/*--| |---*/ H , J , K , L ,SCLN,QUOT, + //|----+----+----+----+----+----| | | |----+----+----+----+----+----| + LCTL, Z , X , C , V , B ,DEL , BSPC, N , M ,COMM,DOT ,SLSH,BSLS, + //`----+----+----+----+----+----+----| |----+----+----+----+----+----+----' + LGUI,APP ,LALT,SSPC,LSFT, RSFT,SSPC,RCTL,RALT,RGUI + // `----+----+----+----+----' `----+----+----+----+----' + ), + +}; diff --git a/keyboards/splitty/matrix.c b/keyboards/splitty/matrix.c new file mode 100644 index 000000000..19727d07f --- /dev/null +++ b/keyboards/splitty/matrix.c @@ -0,0 +1,483 @@ +/* +Copyright 2012 Jun Wako + +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 +#include "wait.h" +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" +#include "split_util.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) { +} + +__attribute__ ((weak)) +void matrix_slave_scan_user(void) { +} + +inline +uint8_t matrix_rows(void) +{ + return MATRIX_ROWS; +} + +inline +uint8_t matrix_cols(void) +{ + return MATRIX_COLS; +} + +bool has_usb(void) { + return UDADDR & _BV(ADDEN); // This will return true of a USB connection has been established +} + +void matrix_init(void) +{ +#ifdef DISABLE_JTAG + // JTAG disable for PORT F. write JTD bit twice within four cycles. + MCUCR |= (1< 0) + bool matrix_changed = read_cols_on_row(matrix_debouncing+offset, current_row); + + if (matrix_changed) { + debouncing = true; + debouncing_time = timer_read(); + } + +# 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 + 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 { + 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 + matrix_slave_scan_user(); +} + +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/splitty/readme.md b/keyboards/splitty/readme.md new file mode 100644 index 000000000..1333ed77b --- /dev/null +++ b/keyboards/splitty/readme.md @@ -0,0 +1 @@ +TODO diff --git a/keyboards/splitty/rev1/config.h b/keyboards/splitty/rev1/config.h new file mode 100644 index 000000000..23aaf7f5b --- /dev/null +++ b/keyboards/splitty/rev1/config.h @@ -0,0 +1,78 @@ +/* +Copyright 2012 Jun Wako +Copyright 2015 Jack Humbert + +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 0x1d50 +#define PRODUCT_ID 0x6052 +#define DEVICE_VER 0x0001 +#define MANUFACTURER Ni +#define PRODUCT Splitty +#define DESCRIPTION A split keyboard + +/* key matrix size */ +// Rows are doubled-up +#define MATRIX_ROWS 10 +#define MATRIX_COLS 7 + +// wiring of each half +#define MATRIX_ROW_PINS { F0, F1, D4, D5, D6 } +#define MATRIX_COL_PINS { B0, B1, B2, B3, B4, B5, B6 } + +/* 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)) \ +) + +/* + * 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/splitty/rev1/rev1.c b/keyboards/splitty/rev1/rev1.c new file mode 100644 index 000000000..b05222654 --- /dev/null +++ b/keyboards/splitty/rev1/rev1.c @@ -0,0 +1,2 @@ +#include "splitty.h" + diff --git a/keyboards/splitty/rev1/rev1.h b/keyboards/splitty/rev1/rev1.h new file mode 100644 index 000000000..782f67eb8 --- /dev/null +++ b/keyboards/splitty/rev1/rev1.h @@ -0,0 +1,28 @@ +#ifndef REV1_H +#define REV1_H + +#include QMK_KEYBOARD_H + +#include "quantum.h" + +#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, R21, R22, R23, R24, R25, R26, \ + L30, L31, L32, L33, L34, L35, L36, R30, R31, R32, R33, R34, R35, R36, \ + L42, L43, L44, L45, L46, R40, R41, R42, R43, R44 \ + ) \ + { \ + { L00, L01, L02, L03, L04, L05, L06 }, \ + { L10, L11, L12, L13, L14, L15, L16 }, \ + { L20, L21, L22, L23, L24, L25, KC_NO }, \ + { L30, L31, L32, L33, L34, L35, L36 }, \ + { KC_NO, KC_NO, 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, KC_NO }, \ + { R36, R35, R34, R33, R32, R31, R30 }, \ + { KC_NO, KC_NO, R44, R43, R42, R41, R40 }, \ + } + +#endif diff --git a/keyboards/splitty/rev1/rules.mk b/keyboards/splitty/rev1/rules.mk new file mode 100644 index 000000000..e69de29bb diff --git a/keyboards/splitty/rules.mk b/keyboards/splitty/rules.mk new file mode 100644 index 000000000..08b70924d --- /dev/null +++ b/keyboards/splitty/rules.mk @@ -0,0 +1,72 @@ +SRC += matrix.c \ + i2c.c \ + split_util.c \ + serial.c + +# MCU name +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) + +# Bootloader +# This definition is optional, and if your keyboard supports multiple bootloaders of +# different sizes, comment this out, and the correct address will be loaded +# automatically (+60). See bootloader.mk for all options. +BOOTLOADER = atmel-dfu + +# Interrupt driven control endpoint task(+60) +OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT + +# Build Options +# change to "no" to disable the options, or define them in the Makefile in +# the appropriate keymap folder that will get included automatically +# +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 +NKRO_ENABLE = no # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work +BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality +MIDI_ENABLE = no # MIDI controls +AUDIO_ENABLE = no # Audio output on port C6 +UNICODE_ENABLE = no # Unicode +BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID +RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight. Do not enable this with audio at the same time. +SUBPROJECT_rev1 = yes +USE_I2C = yes +SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend + +CUSTOM_MATRIX = yes + +DEFAULT_FOLDER = splitty/rev1 diff --git a/keyboards/splitty/serial.c b/keyboards/splitty/serial.c new file mode 100644 index 000000000..4d37eeb8d --- /dev/null +++ b/keyboards/splitty/serial.c @@ -0,0 +1,229 @@ +/* + * 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" + +#ifndef USE_I2C + +// 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; + } + contacted_by_master = true; +} + +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/splitty/serial.h b/keyboards/splitty/serial.h new file mode 100644 index 000000000..ade7620b7 --- /dev/null +++ b/keyboards/splitty/serial.h @@ -0,0 +1,27 @@ +#ifndef MY_SERIAL_H +#define MY_SERIAL_H + +#include "config.h" +#include +#include "split_util.h" + +/* 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/splitty/split_util.c b/keyboards/splitty/split_util.c new file mode 100644 index 000000000..5d81a7a16 --- /dev/null +++ b/keyboards/splitty/split_util.c @@ -0,0 +1,33 @@ +#include +#include +#include +#include +#include +#include +#include "split_util.h" +#include "matrix.h" +#include "keyboard.h" +#include "config.h" +#include "timer.h" + + +volatile bool isLeftHand = true; +volatile bool contacted_by_master = false; + +static void setup_handedness(void) { + #ifdef EE_HANDS + isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS); + #else + #error "Only EE_HANDS supported" + #endif +} + +void split_keyboard_setup(void) { + timer_init(); + setup_handedness(); +} + +// this code runs before the usb and keyboard is initialized +void matrix_setup(void) { + split_keyboard_setup(); +} diff --git a/keyboards/splitty/split_util.h b/keyboards/splitty/split_util.h new file mode 100644 index 000000000..dd3c402d0 --- /dev/null +++ b/keyboards/splitty/split_util.h @@ -0,0 +1,16 @@ +#ifndef SPLIT_KEYBOARD_UTIL_H +#define SPLIT_KEYBOARD_UTIL_H + +#include +#include "eeconfig.h" + +#define SLAVE_I2C_ADDRESS 0x32 + +extern volatile bool isLeftHand; +extern volatile bool contacted_by_master; + +// slave version of matix scan, defined in matrix.c +void matrix_slave_scan(void); + + +#endif diff --git a/keyboards/splitty/splitty.c b/keyboards/splitty/splitty.c new file mode 100644 index 000000000..6f1e98164 --- /dev/null +++ b/keyboards/splitty/splitty.c @@ -0,0 +1,18 @@ +#include "splitty.h" + +#ifdef SWAP_HANDS_ENABLE +__attribute__ ((weak)) +const keypos_t hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = { + + {{0, 5}, {1, 5}, {2, 5}, {3, 5}, {4, 5}, {5, 5}, {6, 5}}, + {{0, 6}, {1, 6}, {2, 6}, {3, 6}, {4, 6}, {5, 6}, {6, 6}}, + {{0, 7}, {1, 7}, {2, 7}, {3, 7}, {4, 7}, {5, 7}, {6, 7}}, + {{0, 8}, {1, 8}, {2, 8}, {3, 8}, {4, 8}, {5, 8}, {6, 8}}, + {{0, 9}, {1, 9}, {2, 9}, {3, 9}, {4, 9}, {5, 9}, {6, 9}}, + {{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}, {5, 0}, {6, 0}}, + {{0, 1}, {1, 1}, {2, 1}, {3, 1}, {4, 1}, {5, 1}, {6, 1}}, + {{0, 2}, {1, 2}, {2, 2}, {3, 2}, {4, 2}, {5, 2}, {6, 2}}, + {{0, 3}, {1, 3}, {2, 3}, {3, 3}, {4, 3}, {5, 3}, {6, 3}}, + {{0, 4}, {1, 4}, {2, 4}, {3, 4}, {4, 4}, {5, 4}, {6, 4}}, +}; +#endif diff --git a/keyboards/splitty/splitty.h b/keyboards/splitty/splitty.h new file mode 100644 index 000000000..a7e647dd3 --- /dev/null +++ b/keyboards/splitty/splitty.h @@ -0,0 +1,27 @@ +#ifndef SPLITTY_H +#define SPLITTY_H + +#include "quantum.h" + +#ifdef KEYBOARD_splitty_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, R21, R22, R23, R24, R25, R26, \ + L30, L31, L32, L33, L34, L35, L36, R30, R31, R32, R33, R34, R35, R36, \ + L42, L43, L44, L45, L46, R40, R41, R42, R43, R44 \ + ) \ + LAYOUT( \ + 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_##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_##L42, KC_##L43, KC_##L44, KC_##L45, KC_##L46, KC_##R40, KC_##R41, KC_##R42, KC_##R43, KC_##R44 \ + ) + +#endif -- cgit v1.2.3