* Initial commit of Fourier keyboard * Revise keymap, add key to bottom row * Fix readmepull/2604/merge
@ -0,0 +1,28 @@ | |||
/* | |||
Copyright 2012 Jun Wako <wakojun@gmail.com> | |||
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 <http://www.gnu.org/licenses/>. | |||
*/ | |||
#ifndef CONFIG_H | |||
#define CONFIG_H | |||
#include "config_common.h" | |||
#ifdef SUBPROJECT_rev1 | |||
#include "rev1/config.h" | |||
#endif | |||
#endif |
@ -0,0 +1 @@ | |||
#include "fourier.h" |
@ -0,0 +1,23 @@ | |||
#ifndef FOURIER_H | |||
#define FOURIER_H | |||
#include "quantum.h" | |||
#ifdef KEYBOARD_fourier_rev1 | |||
#include "rev1.h" | |||
#endif | |||
// Used to create a keymap using only KC_ prefixed keys | |||
#define KC_KEYMAP( \ | |||
LA1, LA2, LA3, LA4, LA5, LA6, RA1, RA2, RA3, RA4, RA5, RA6, RA7, \ | |||
LB1, LB2, LB3, LB4, LB5, LB6, RB1, RB2, RB3, RB4, RB5, RB7, \ | |||
LC1, LC2, LC3, LC4, LC5, LC6, RC1, RC3, RC4, RC5, RC6, RC7, \ | |||
LD1, LD2, LD3, LD4, LD5, RD1, RD4, RD5, RD6, RD7 \ | |||
) \ | |||
KEYMAP( \ | |||
KC_##LA1, KC_##LA2, KC_##LA3, KC_##LA4, KC_##LA5, KC_##LA6, KC_##RA1, KC_##RA2, KC_##RA3, KC_##RA4, KC_##RA5, KC_##RA6, KC_##RA7, \ | |||
KC_##LB1, KC_##LB2, KC_##LB3, KC_##LB4, KC_##LB5, KC_##LB6, KC_##RB1, KC_##RB2, KC_##RB3, KC_##RB4, KC_##RB5, KC_##RB7, \ | |||
KC_##LC1, KC_##LC2, KC_##LC3, KC_##LC4, KC_##LC5, KC_##LC6, KC_##RC1, KC_##RC3, KC_##RC4, KC_##RC5, KC_##RC6, KC_##RC7, \ | |||
KC_##LD1, KC_##LD2, KC_##LD3, KC_##LD4, KC_##LD5, KC_##RD1, KC_##RD4, KC_##RD5, KC_##RD6, KC_##RD7 \ | |||
) | |||
#endif |
@ -0,0 +1,162 @@ | |||
#include <util/twi.h> | |||
#include <avr/io.h> | |||
#include <stdlib.h> | |||
#include <avr/interrupt.h> | |||
#include <util/twi.h> | |||
#include <stdbool.h> | |||
#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<<TWINT)) && lim < I2C_LOOP_TIMEOUT) | |||
lim++; | |||
// easier way, but will wait slightly longer | |||
// _delay_us(100); | |||
} | |||
// Setup twi to run at 100kHz | |||
void i2c_master_init(void) { | |||
// no prescaler | |||
TWSR = 0; | |||
// Set TWI clock frequency to SCL_CLOCK. Need TWBR>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<<TWINT) | (1<<TWEN) | (1<<TWSTA); | |||
i2c_delay(); | |||
// check that we started successfully | |||
if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START)) | |||
return 1; | |||
TWDR = address; | |||
TWCR = (1<<TWINT) | (1<<TWEN); | |||
i2c_delay(); | |||
if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) ) | |||
return 1; // slave did not acknowledge | |||
else | |||
return 0; // success | |||
} | |||
// Finish the i2c transaction. | |||
void i2c_master_stop(void) { | |||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO); | |||
uint16_t lim = 0; | |||
while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT) | |||
lim++; | |||
} | |||
// Write one byte to the i2c slave. | |||
// returns 0 => slave ACK | |||
// 1 => slave NACK | |||
uint8_t i2c_master_write(uint8_t data) { | |||
TWDR = data; | |||
TWCR = (1<<TWINT) | (1<<TWEN); | |||
i2c_delay(); | |||
// check if the slave acknowledged us | |||
return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1; | |||
} | |||
// Read one byte from the i2c slave. If ack=1 the slave is acknowledged, | |||
// if ack=0 the acknowledge bit is not set. | |||
// returns: byte read from i2c device | |||
uint8_t i2c_master_read(int ack) { | |||
TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA); | |||
i2c_delay(); | |||
return TWDR; | |||
} | |||
void i2c_reset_state(void) { | |||
TWCR = 0; | |||
} | |||
void i2c_slave_init(uint8_t address) { | |||
TWAR = address << 0; // slave i2c address | |||
// TWEN - twi enable | |||
// TWEA - enable address acknowledgement | |||
// TWINT - twi interrupt flag | |||
// TWIE - enable the twi interrupt | |||
TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN); | |||
} | |||
ISR(TWI_vect); | |||
ISR(TWI_vect) { | |||
uint8_t ack = 1; | |||
switch(TW_STATUS) { | |||
case TW_SR_SLA_ACK: | |||
// this device has been addressed as a slave receiver | |||
slave_has_register_set = false; | |||
break; | |||
case TW_SR_DATA_ACK: | |||
// this device has received data as a slave receiver | |||
// The first byte that we receive in this transaction sets the location | |||
// of the read/write location of the slaves memory that it exposes over | |||
// i2c. After that, bytes will be written at slave_buffer_pos, incrementing | |||
// slave_buffer_pos after each write. | |||
if(!slave_has_register_set) { | |||
slave_buffer_pos = TWDR; | |||
// don't acknowledge the master if this memory loctaion is out of bounds | |||
if ( slave_buffer_pos >= 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<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN); | |||
} | |||
#endif |
@ -0,0 +1,49 @@ | |||
#ifndef I2C_H | |||
#define I2C_H | |||
#include <stdint.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 |
@ -0,0 +1,31 @@ | |||
/* | |||
This is the c configuration file for the keymap | |||
Copyright 2012 Jun Wako <wakojun@gmail.com> | |||
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 <http://www.gnu.org/licenses/>. | |||
*/ | |||
#ifndef CONFIG_USER_H | |||
#define CONFIG_USER_H | |||
#include "config_common.h" | |||
/* Use I2C or Serial, not both */ | |||
#define USE_SERIAL | |||
// #define USE_I2C | |||
#endif |
@ -0,0 +1,76 @@ | |||
#include "fourier.h" | |||
#include "action_layer.h" | |||
#include "eeconfig.h" | |||
extern keymap_config_t keymap_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 _BASE 0 | |||
#define _FN1 1 | |||
#define _FN2 2 | |||
enum custom_keycodes { | |||
QWERTY = SAFE_RANGE, | |||
}; | |||
#define KC_ KC_TRNS | |||
#define _______ KC_TRNS | |||
#define XXXXXXX KC_NO | |||
#define KC_FN1 MO(_FN1) | |||
#define KC_FN2 MO(_FN2) | |||
#define KC_SPFN1 LT(_FN1, KC_SPACE) | |||
#define KC_SPFN2 LT(_FN2, KC_SPACE) | |||
#define KC_BSFN1 LT(_FN1, KC_BSPC) | |||
#define KC_BSFN2 LT(_FN2, KC_BSPC) | |||
#define KC_RST RESET | |||
#define KC_DBUG DEBUG | |||
#define KC_RTOG RGB_TOG | |||
#define KC_RMOD RGB_MOD | |||
#define KC_RHUI RGB_HUI | |||
#define KC_RHUD RGB_HUD | |||
#define KC_RSAI RGB_SAI | |||
#define KC_RSAD RGB_SAD | |||
#define KC_RVAI RGB_VAI | |||
#define KC_RVAD RGB_VAD | |||
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { | |||
[_BASE] = KC_KEYMAP( | |||
//,----+----+----+----+----+----|----+----+----+----+----+----+----. | |||
ESC , Q , W , E , R , T , Y , U , I , O , P ,DEL ,BSPC, | |||
//|----`----`----`----`----`----|----`----`----`----`----`----`----| | |||
TAB , A , S , D , F , G , H , J , K , L ,QUOT, ENTER , | |||
//|-----`----`----`----`----`----|----`----`----`----`----`--------| | |||
LSFT , Z , X , C , V , B , N , M ,COMM,DOT ,SLSH, RSFT , | |||
//|-------`----`----`----`----`----|----`----`----`----`----`------| | |||
LCTL ,LALT,LGUI ,FN1 , SPFN1 , BSFN2 ,RGUI ,RALT , FN2 , RCTL | |||
//`-----+----+-----+----+--------|--------+-----+-----+-----+------' | |||
), | |||
[_FN1] = KC_KEYMAP( | |||
//,----+----+----+----+----+----|----+----+----+----+----+----+----. | |||
GRV , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 0 ,MINS,EQL , | |||
//|----`----`----`----`----`----|----`----`----`----`----`----`----| | |||
RST ,RHUI,RSAI,RVAI,VOLU,LBRC,RBRC, 4 , 5 , 6 ,SCLN, , | |||
//|-----`----`----`----`----`----|----`----`----`----`----`--------| | |||
RMOD ,RHUD,RSAD,RVAD,VOLD,LCBR,RCBR, 1 , 2 , 3 , UP , , | |||
//|-------`----`----`----`----`----|----`----`----`----`----`------| | |||
RTOG , , , , , DEL , 0 ,LEFT ,DOWN , RGHT | |||
//`-----+----+-----+----+--------|--------+-----+-----+-----+------' | |||
), | |||
[_FN2] = KC_KEYMAP( | |||
//,----+----+----+----+----+----|----+----+----+----+----+----+----. | |||
TILD,EXLM, AT ,HASH,DLR ,PERC,CIRC,AMPR,ASTR,LPRN,RPRN,UNDS,PLUS, | |||
//|----`----`----`----`----`----|----`----`----`----`----`----`----| | |||
, , ,INS ,PGUP,HOME, , , , ,COLN, , | |||
//|-----`----`----`----`----`----|----`----`----`----`----`--------| | |||
, , ,DEL ,PGDN,END , , , , , , , | |||
//|-------`----`----`----`----`----|----`----`----`----`----`------| | |||
, , , , DEL , , , , , | |||
//`-----+----+-----+----+--------|--------+-----+-----+-----+------' | |||
) | |||
}; |
@ -0,0 +1,3 @@ | |||
ifndef QUANTUM_DIR | |||
include ../../../../Makefile | |||
endif |
@ -0,0 +1,468 @@ | |||
/* | |||
Copyright 2012 Jun Wako <wakojun@gmail.com> | |||
This program is free software: you can redistribute it and/or modify | |||
it under the terms of the GNU General Public License as published by | |||
the Free Software Foundation, either version 2 of the License, or | |||
(at your option) any later version. | |||
This program is distributed in the hope that it will be useful, | |||
but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
GNU General Public License for more details. | |||
You should have received a copy of the GNU General Public License | |||
along with this program. If not, see <http://www.gnu.org/licenses/>. | |||
*/ | |||
/* | |||
* scan matrix | |||
*/ | |||
#include <stdint.h> | |||
#include <stdbool.h> | |||
#include <avr/io.h> | |||
#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" | |||
#include "backlight.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 SERIAL_LED_ADDR 0x00 | |||
#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]; | |||
} | |||
#ifdef BACKLIGHT_ENABLE | |||
// Write backlight level for slave to read | |||
serial_master_buffer[SERIAL_LED_ADDR] = get_backlight_level(); | |||
#endif | |||
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]; | |||
} | |||
#ifdef BACKLIGHT_ENABLE | |||
// Read backlight level sent from master and update level on slave | |||
backlight_set(serial_master_buffer[SERIAL_LED_ADDR]); | |||
#endif | |||
#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<<col)); | |||
} | |||
inline | |||
matrix_row_t matrix_get_row(uint8_t row) | |||
{ | |||
return matrix[row]; | |||
} | |||
void matrix_print(void) | |||
{ | |||
print("\nr/c 0123456789ABCDEF\n"); | |||
for (uint8_t row = 0; row < MATRIX_ROWS; row++) { | |||
phex(row); print(": "); | |||
pbin_reverse16(matrix_get_row(row)); | |||
print("\n"); | |||
} | |||
} | |||
uint8_t matrix_key_count(void) | |||
{ | |||
uint8_t count = 0; | |||
for (uint8_t i = 0; i < MATRIX_ROWS; i++) { | |||
count += bitpop16(matrix[i]); | |||
} | |||
return count; | |||
} | |||
#if (DIODE_DIRECTION == COL2ROW) | |||
static void init_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 | |||
} | |||
} | |||
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 |
@ -0,0 +1,20 @@ | |||
Fourier | |||
======== | |||
A split 40% staggered keyboard made and sold by Keebio. [More info at Keebio](https://keeb.io). | |||
Keyboard Maintainer: [Bakingpy/nooges](https://github.com/nooges) | |||
Hardware Supported: Pro Micro | |||
Hardware Availability: [Keebio](https://keeb.io) | |||
Make example for this keyboard (after setting up your build environment): | |||
make fourier/rev1:default | |||
Example of flashing this keyboard: | |||
make fourier/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. | |||
A build guide for this keyboard can be found here: [Keebio Build Guides](https://docs.keeb.io) |
@ -0,0 +1,84 @@ | |||
/* | |||
Copyright 2012 Jun Wako <wakojun@gmail.com> | |||
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 <http://www.gnu.org/licenses/>. | |||
*/ | |||
#ifndef REV1_CONFIG_H | |||
#define REV1_CONFIG_H | |||
#include "../config.h" | |||
/* USB Device descriptor parameter */ | |||
#define VENDOR_ID 0xCB10 | |||
#define PRODUCT_ID 0x1247 | |||
#define DEVICE_VER 0x0100 | |||
#define MANUFACTURER Keebio | |||
#define PRODUCT Fourier | |||
#define DESCRIPTION Split 40 percent staggered keyboard | |||
/* key matrix size */ | |||
// Rows are doubled-up | |||
#define MATRIX_ROWS 8 | |||
#define MATRIX_COLS 7 | |||
// wiring of each half | |||
#define MATRIX_ROW_PINS { F4, D7, E6, B4 } | |||
#define MATRIX_COL_PINS { F5, F6, F7, B1, B3, B2, B6 } | |||
/* define if matrix has ghost */ | |||
//#define MATRIX_HAS_GHOST | |||
/* 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 RGBLIGHT_ANIMATIONS | |||
#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 |
@ -0,0 +1,7 @@ | |||
#include "fourier.h" | |||
void matrix_init_kb(void) { | |||
matrix_init_user(); | |||
}; | |||
@ -0,0 +1,34 @@ | |||
#ifndef REV1_H | |||
#define REV1_H | |||
#include "../fourier.h" | |||
#include "quantum.h" | |||
#ifdef USE_I2C | |||
#include <stddef.h> | |||
#ifdef __AVR__ | |||
#include <avr/io.h> | |||
#include <avr/interrupt.h> | |||
#endif | |||
#endif | |||
#define KEYMAP( \ | |||
LA1, LA2, LA3, LA4, LA5, LA6, RA1, RA2, RA3, RA4, RA5, RA6, RA7, \ | |||
LB1, LB2, LB3, LB4, LB5, LB6, RB1, RB2, RB3, RB4, RB5, RB7, \ | |||
LC1, LC2, LC3, LC4, LC5, LC6, RC1, RC3, RC4, RC5, RC6, RC7, \ | |||
LD1, LD2, LD3, LD4, LD5, RD1, RD4, RD5, RD6, RD7 \ | |||
) \ | |||
{ \ | |||
{ LA1, LA2, LA3, LA4, LA5, LA6, KC_NO}, \ | |||
{ LB1, LB2, LB3, LB4, LB5, LB6, KC_NO}, \ | |||
{ LC1, LC2, LC3, LC4, LC5, LC6, KC_NO}, \ | |||
{ LD1, LD2, LD3, LD4, LD5, KC_NO, KC_NO}, \ | |||
{ RA1, RA2, RA3, RA4, RA5, RA6, RA7}, \ | |||
{ RB1, RB2, RB3, RB4, RB5, KC_NO, RB7}, \ | |||
{ RC1, KC_NO, RC3, RC4, RC5, RC6, RC7}, \ | |||
{ RD1, KC_NO, KC_NO, RD4, RD5, RD6, RD7} \ | |||
} | |||
#endif |
@ -0,0 +1,74 @@ | |||
SRC += matrix.c \ | |||
i2c.c \ | |||
split_util.c \ | |||
serial.c | |||
# MCU name | |||
#MCU = at90usb1287 | |||
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 = caterina | |||
# 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 = no # 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 = yes # Enable WS2812 RGB underlight. Do not enable this with audio at the same time. | |||
SUBPROJECT_rev1 = yes | |||
USE_I2C = yes | |||
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE | |||
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend | |||
CUSTOM_MATRIX = yes | |||
DEFAULT_FOLDER = fourier/rev1 |
@ -0,0 +1,228 @@ | |||
/* | |||
* WARNING: be careful changing this code, it is very timing dependent | |||
*/ | |||
#ifndef F_CPU | |||
#define F_CPU 16000000 | |||
#endif | |||
#include <avr/io.h> | |||
#include <avr/interrupt.h> | |||
#include <util/delay.h> | |||
#include <stdbool.h> | |||
#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; | |||
} | |||
} | |||
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 |
@ -0,0 +1,26 @@ | |||
#ifndef MY_SERIAL_H | |||
#define MY_SERIAL_H | |||
#include "config.h" | |||
#include <stdbool.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 |
@ -0,0 +1,80 @@ | |||
#include <avr/io.h> | |||
#include <avr/wdt.h> | |||
#include <avr/power.h> | |||
#include <avr/interrupt.h> | |||
#include <util/delay.h> | |||
#include <avr/eeprom.h> | |||
#include "split_util.h" | |||
#include "matrix.h" | |||
#include "keyboard.h" | |||
#include "config.h" | |||
#include "timer.h" | |||
#include "pincontrol.h" | |||
#ifdef USE_I2C | |||
# include "i2c.h" | |||
#else | |||
# include "serial.h" | |||
#endif | |||
volatile bool isLeftHand = true; | |||
static void setup_handedness(void) { | |||
// Test D2 pin for handedness, if D2 is grounded, it's the right hand | |||
pinMode(D2, PinDirectionInput); | |||
isLeftHand = digitalRead(D2); | |||
} | |||
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<<VBUS)); //checks state of VBUS | |||
} | |||
void split_keyboard_setup(void) { | |||
setup_handedness(); | |||
if (has_usb()) { | |||
keyboard_master_setup(); | |||
} else { | |||
keyboard_slave_setup(); | |||
} | |||
sei(); | |||
} | |||
void keyboard_slave_loop(void) { | |||
matrix_init(); | |||
while (1) { | |||
matrix_slave_scan(); | |||
} | |||
} | |||
// this code runs before the usb and keyboard is initialized | |||
void matrix_setup(void) { | |||
split_keyboard_setup(); | |||
if (!has_usb()) { | |||
keyboard_slave_loop(); | |||
} | |||
} |
@ -0,0 +1,20 @@ | |||
#ifndef SPLIT_KEYBOARD_UTIL_H | |||
#define SPLIT_KEYBOARD_UTIL_H | |||
#include <stdbool.h> | |||
#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 |