Add Fourier Keyboard (#2596)
* Initial commit of Fourier keyboard * Revise keymap, add key to bottom row * Fix readmemaster
Danny
Jack Humbert
parent
f77ecb8960
commit
4e92dceed8
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/*
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Copyright 2012 Jun Wako <wakojun@gmail.com>
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Copyright 2015 Jack Humbert
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CONFIG_H
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#define CONFIG_H
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#include "config_common.h"
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#ifdef SUBPROJECT_rev1
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#include "rev1/config.h"
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#endif
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#endif
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#include "fourier.h"
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#ifndef FOURIER_H
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#define FOURIER_H
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#include "quantum.h"
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#ifdef KEYBOARD_fourier_rev1
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#include "rev1.h"
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#endif
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// Used to create a keymap using only KC_ prefixed keys
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#define KC_KEYMAP( \
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LA1, LA2, LA3, LA4, LA5, LA6, RA1, RA2, RA3, RA4, RA5, RA6, RA7, \
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LB1, LB2, LB3, LB4, LB5, LB6, RB1, RB2, RB3, RB4, RB5, RB7, \
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LC1, LC2, LC3, LC4, LC5, LC6, RC1, RC3, RC4, RC5, RC6, RC7, \
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LD1, LD2, LD3, LD4, LD5, RD1, RD4, RD5, RD6, RD7 \
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) \
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KEYMAP( \
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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, \
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KC_##LB1, KC_##LB2, KC_##LB3, KC_##LB4, KC_##LB5, KC_##LB6, KC_##RB1, KC_##RB2, KC_##RB3, KC_##RB4, KC_##RB5, KC_##RB7, \
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KC_##LC1, KC_##LC2, KC_##LC3, KC_##LC4, KC_##LC5, KC_##LC6, KC_##RC1, KC_##RC3, KC_##RC4, KC_##RC5, KC_##RC6, KC_##RC7, \
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KC_##LD1, KC_##LD2, KC_##LD3, KC_##LD4, KC_##LD5, KC_##RD1, KC_##RD4, KC_##RD5, KC_##RD6, KC_##RD7 \
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)
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#endif
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#include <util/twi.h>
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#include <avr/io.h>
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#include <stdlib.h>
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#include <avr/interrupt.h>
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#include <util/twi.h>
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#include <stdbool.h>
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#include "i2c.h"
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#ifdef USE_I2C
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// Limits the amount of we wait for any one i2c transaction.
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// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is
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// 9 bits, a single transaction will take around 90μs to complete.
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//
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// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit
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// poll loop takes at least 8 clock cycles to execute
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#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8
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#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE)
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volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
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static volatile uint8_t slave_buffer_pos;
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static volatile bool slave_has_register_set = false;
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// Wait for an i2c operation to finish
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inline static
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void i2c_delay(void) {
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uint16_t lim = 0;
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while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT)
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lim++;
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// easier way, but will wait slightly longer
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// _delay_us(100);
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}
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// Setup twi to run at 100kHz
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void i2c_master_init(void) {
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// no prescaler
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TWSR = 0;
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// Set TWI clock frequency to SCL_CLOCK. Need TWBR>10.
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// Check datasheets for more info.
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TWBR = ((F_CPU/SCL_CLOCK)-16)/2;
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}
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// Start a transaction with the given i2c slave address. The direction of the
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// transfer is set with I2C_READ and I2C_WRITE.
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// returns: 0 => success
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// 1 => error
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uint8_t i2c_master_start(uint8_t address) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTA);
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i2c_delay();
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// check that we started successfully
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if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START))
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return 1;
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TWDR = address;
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TWCR = (1<<TWINT) | (1<<TWEN);
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i2c_delay();
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if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) )
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return 1; // slave did not acknowledge
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else
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return 0; // success
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}
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// Finish the i2c transaction.
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void i2c_master_stop(void) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
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uint16_t lim = 0;
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while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT)
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lim++;
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}
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// Write one byte to the i2c slave.
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// returns 0 => slave ACK
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// 1 => slave NACK
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uint8_t i2c_master_write(uint8_t data) {
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TWDR = data;
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TWCR = (1<<TWINT) | (1<<TWEN);
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i2c_delay();
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// check if the slave acknowledged us
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return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1;
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}
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// Read one byte from the i2c slave. If ack=1 the slave is acknowledged,
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// if ack=0 the acknowledge bit is not set.
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// returns: byte read from i2c device
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uint8_t i2c_master_read(int ack) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA);
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i2c_delay();
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return TWDR;
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}
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void i2c_reset_state(void) {
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TWCR = 0;
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}
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void i2c_slave_init(uint8_t address) {
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TWAR = address << 0; // slave i2c address
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// TWEN - twi enable
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// TWEA - enable address acknowledgement
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// TWINT - twi interrupt flag
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// TWIE - enable the twi interrupt
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TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN);
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}
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ISR(TWI_vect);
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ISR(TWI_vect) {
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uint8_t ack = 1;
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switch(TW_STATUS) {
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case TW_SR_SLA_ACK:
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// this device has been addressed as a slave receiver
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slave_has_register_set = false;
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break;
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case TW_SR_DATA_ACK:
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// this device has received data as a slave receiver
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// The first byte that we receive in this transaction sets the location
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// of the read/write location of the slaves memory that it exposes over
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// i2c. After that, bytes will be written at slave_buffer_pos, incrementing
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// slave_buffer_pos after each write.
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if(!slave_has_register_set) {
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slave_buffer_pos = TWDR;
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// don't acknowledge the master if this memory loctaion is out of bounds
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if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) {
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ack = 0;
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slave_buffer_pos = 0;
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}
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slave_has_register_set = true;
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} else {
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i2c_slave_buffer[slave_buffer_pos] = TWDR;
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BUFFER_POS_INC();
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}
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break;
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case TW_ST_SLA_ACK:
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case TW_ST_DATA_ACK:
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// master has addressed this device as a slave transmitter and is
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// requesting data.
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TWDR = i2c_slave_buffer[slave_buffer_pos];
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BUFFER_POS_INC();
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break;
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case TW_BUS_ERROR: // something went wrong, reset twi state
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TWCR = 0;
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default:
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break;
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}
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// Reset everything, so we are ready for the next TWI interrupt
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TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN);
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}
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#endif
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@ -0,0 +1,49 @@
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#ifndef I2C_H
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#define I2C_H
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#include <stdint.h>
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#ifndef F_CPU
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#define F_CPU 16000000UL
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#endif
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#define I2C_READ 1
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#define I2C_WRITE 0
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#define I2C_ACK 1
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#define I2C_NACK 0
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#define SLAVE_BUFFER_SIZE 0x10
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// i2c SCL clock frequency
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#define SCL_CLOCK 400000L
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extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
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void i2c_master_init(void);
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uint8_t i2c_master_start(uint8_t address);
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void i2c_master_stop(void);
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uint8_t i2c_master_write(uint8_t data);
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uint8_t i2c_master_read(int);
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void i2c_reset_state(void);
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void i2c_slave_init(uint8_t address);
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static inline unsigned char i2c_start_read(unsigned char addr) {
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return i2c_master_start((addr << 1) | I2C_READ);
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}
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static inline unsigned char i2c_start_write(unsigned char addr) {
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return i2c_master_start((addr << 1) | I2C_WRITE);
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}
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// from SSD1306 scrips
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extern unsigned char i2c_rep_start(unsigned char addr);
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extern void i2c_start_wait(unsigned char addr);
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extern unsigned char i2c_readAck(void);
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extern unsigned char i2c_readNak(void);
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extern unsigned char i2c_read(unsigned char ack);
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#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak();
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#endif
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@ -0,0 +1,31 @@
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/*
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This is the c configuration file for the keymap
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Copyright 2012 Jun Wako <wakojun@gmail.com>
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Copyright 2015 Jack Humbert
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CONFIG_USER_H
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#define CONFIG_USER_H
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#include "config_common.h"
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/* Use I2C or Serial, not both */
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#define USE_SERIAL
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// #define USE_I2C
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#endif
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@ -0,0 +1,76 @@
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#include "fourier.h"
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#include "action_layer.h"
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#include "eeconfig.h"
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extern keymap_config_t keymap_config;
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// Each layer gets a name for readability, which is then used in the keymap matrix below.
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// The underscores don't mean anything - you can have a layer called STUFF or any other name.
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// Layer names don't all need to be of the same length, obviously, and you can also skip them
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// entirely and just use numbers.
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#define _BASE 0
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#define _FN1 1
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#define _FN2 2
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enum custom_keycodes {
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QWERTY = SAFE_RANGE,
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};
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#define KC_ KC_TRNS
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#define _______ KC_TRNS
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#define XXXXXXX KC_NO
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#define KC_FN1 MO(_FN1)
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#define KC_FN2 MO(_FN2)
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#define KC_SPFN1 LT(_FN1, KC_SPACE)
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#define KC_SPFN2 LT(_FN2, KC_SPACE)
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#define KC_BSFN1 LT(_FN1, KC_BSPC)
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#define KC_BSFN2 LT(_FN2, KC_BSPC)
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#define KC_RST RESET
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#define KC_DBUG DEBUG
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#define KC_RTOG RGB_TOG
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#define KC_RMOD RGB_MOD
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#define KC_RHUI RGB_HUI
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#define KC_RHUD RGB_HUD
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#define KC_RSAI RGB_SAI
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#define KC_RSAD RGB_SAD
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#define KC_RVAI RGB_VAI
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#define KC_RVAD RGB_VAD
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[_BASE] = KC_KEYMAP(
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//,----+----+----+----+----+----|----+----+----+----+----+----+----.
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ESC , Q , W , E , R , T , Y , U , I , O , P ,DEL ,BSPC,
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//|----`----`----`----`----`----|----`----`----`----`----`----`----|
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TAB , A , S , D , F , G , H , J , K , L ,QUOT, ENTER ,
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//|-----`----`----`----`----`----|----`----`----`----`----`--------|
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LSFT , Z , X , C , V , B , N , M ,COMM,DOT ,SLSH, RSFT ,
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//|-------`----`----`----`----`----|----`----`----`----`----`------|
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LCTL ,LALT,LGUI ,FN1 , SPFN1 , BSFN2 ,RGUI ,RALT , FN2 , RCTL
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//`-----+----+-----+----+--------|--------+-----+-----+-----+------'
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),
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[_FN1] = KC_KEYMAP(
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//,----+----+----+----+----+----|----+----+----+----+----+----+----.
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GRV , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 0 ,MINS,EQL ,
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//|----`----`----`----`----`----|----`----`----`----`----`----`----|
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RST ,RHUI,RSAI,RVAI,VOLU,LBRC,RBRC, 4 , 5 , 6 ,SCLN, ,
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//|-----`----`----`----`----`----|----`----`----`----`----`--------|
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||||||
|
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
|
||||||
Loading…
Reference in New Issue