+++ /dev/null
-/*
-This is the c configuration file for the keyboard
-
-Copyright 2012 Jun Wako <wakojun@gmail.com>
-Copyright 2017 Jack Humbert
-Copyright 2017 Art Ortenburger
-
-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"
-
-#endif
+++ /dev/null
-#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
+++ /dev/null
-#ifndef I2C_H
-#define I2C_H
-
-#include <stdint.h>
-#include "matrix.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 100000UL
-
-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
+++ /dev/null
-/*
-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>
-#ifdef USE_I2C
-// provides memcpy for copying TWI slave buffer
-// #include <string.h>
-#endif
-#include <avr/io.h>
-#include <avr/wdt.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "split_util.h"
-#include "pro_micro.h"
-#include "config.h"
-
-#ifdef USE_I2C
-# include "i2c.h"
-#else // USE_SERIAL
-# include "serial.h"
-#endif
-
-#ifndef DEBOUNCE
-# define DEBOUNCE 5
-#endif
-
-#define ERROR_DISCONNECT_COUNT 5
-
-static uint8_t debouncing = DEBOUNCE;
-static const int 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];
-
-static matrix_row_t read_cols(void);
-static void init_cols(void);
-static void unselect_rows(void);
-static void select_row(uint8_t row);
-
-
-__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)
-{
- // Right hand is stored after the left in the matrix so, we need to offset it
- int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
-
- for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
- select_row(i);
- _delay_us(30); // without this wait read unstable value.
- matrix_row_t cols = read_cols();
- if (matrix_debouncing[i+offset] != cols) {
- matrix_debouncing[i+offset] = cols;
- debouncing = DEBOUNCE;
- }
- unselect_rows();
- }
-
- if (debouncing) {
- if (--debouncing) {
- _delay_ms(1);
- } else {
- for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
- matrix[i+offset] = matrix_debouncing[i+offset];
- }
- }
- }
-
- 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) {
- /*
- // read from TWI byte-by-byte into matrix_row_t memory space
- size_t i;
- for (i = 0; i < SLAVE_BUFFER_SIZE-1; ++i) {
- *((uint8_t*)&matrix[slaveOffset]+i) = i2c_master_read(I2C_ACK);
- }
- // last byte to be read / end of chunk
- *((uint8_t*)&matrix[slaveOffset]+i) = i2c_master_read(I2C_NACK);
- */
-
- // kludge for column #9: unpack bits for keys (2,9) and (3,9) from (1,7) and (1,8)
- // i2c_master_read(I2C_ACK);
- matrix[slaveOffset+0] = i2c_master_read(I2C_ACK);
- // i2c_master_read(I2C_ACK);
- matrix[slaveOffset+1] = (matrix_row_t)i2c_master_read(I2C_ACK)\
- | (matrix[slaveOffset+0]&0x40U)<<2;
- // i2c_master_read(I2C_ACK);
- matrix[slaveOffset+2] = (matrix_row_t)i2c_master_read(I2C_NACK)\
- | (matrix[slaveOffset+0]&0x80U)<<1;
- // clear highest two bits on row 1, where the col9 bits were transported
- matrix[slaveOffset+0] &= 0x3F;
-
- i2c_master_stop();
- } else {
-i2c_error: // the cable is disconnected, or something else went wrong
- i2c_reset_state();
- return err;
- }
-
- return 0;
-}
-
-#else // USE_SERIAL
-
-int serial_transaction(void) {
- int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
-
- if (serial_update_buffers()) {
- return 1;
- }
-
- for (int i = 0; i < ROWS_PER_HAND; ++i) {
- matrix[slaveOffset+i] = serial_slave_buffer[i];
- }
- return 0;
-}
-#endif
-
-uint8_t matrix_scan(void)
-{
- int 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
- // SLAVE_BUFFER_SIZE is from i2c.h
- // (MATRIX_ROWS/2*sizeof(matrix_row_t))
- // memcpy((void*)i2c_slave_buffer, (const void*)&matrix[offset], (ROWS_PER_HAND*sizeof(matrix_row_t)));
-
- // kludge for column #9: put bits for keys (2,9) and (3,9) into (1,7) and (1,8)
- i2c_slave_buffer[0] = (uint8_t)(matrix[offset+0])\
- | (matrix[offset+1]&0x100U)>>2\
- | (matrix[offset+2]&0x100U)>>1;
- i2c_slave_buffer[1] = (uint8_t)(matrix[offset+1]);
- i2c_slave_buffer[2] = (uint8_t)(matrix[offset+2]);
- // note: looks like a possible operator-precedence bug here, in last version?
- /*
- i2c_slave_buffer[1] = (uint8_t)matrix[offset+0];
- i2c_slave_buffer[2] = (uint8_t)(matrix[offset+1]>>8);
- i2c_slave_buffer[3] = (uint8_t)(matrix[offset+1]>>8);
- i2c_slave_buffer[4] = (uint8_t)(matrix[offset+2]>>8);
- i2c_slave_buffer[5] = (uint8_t)matrix[offset+2];
- */
-#else // USE_SERIAL
- for (int i = 0; i < ROWS_PER_HAND; ++i) {
- serial_slave_buffer[i] = matrix[offset+i];
- }
-#endif
-}
-
-bool matrix_is_modified(void)
-{
- if (debouncing) return false;
- return true;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & ((matrix_row_t)1<<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;
-}
-
-static void init_cols(void)
-{
- for(int x = 0; x < MATRIX_COLS; x++) {
- _SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF);
- _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF);
- }
-}
-
-static matrix_row_t read_cols(void)
-{
- matrix_row_t result = 0;
- for(int x = 0; x < MATRIX_COLS; x++) {
- result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x);
- }
- return result;
-}
-
-static void unselect_rows(void)
-{
- for(int x = 0; x < ROWS_PER_HAND; x++) {
- _SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF);
- _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF);
- }
-}
-
-static void select_row(uint8_t row)
-{
- _SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF);
- _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF);
-}
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef REV1_CONFIG_H
-#define REV1_CONFIG_H
+#pragma once
#include "config_common.h"
/* COL2ROW or ROW2COL */
#define DIODE_DIRECTION COL2ROW
+#define SOFT_SERIAL_PIN D0
+
/* define if matrix has ghost */
//#define MATRIX_HAS_GHOST
//#define NO_ACTION_ONESHOT
//#define NO_ACTION_MACRO
//#define NO_ACTION_FUNCTION
-
-#endif
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef REV3_CONFIG_H
-#define REV3_CONFIG_H
+#pragma once
#include "config_common.h"
/* COL2ROW or ROW2COL */
#define DIODE_DIRECTION COL2ROW
+#define SOFT_SERIAL_PIN D0
+
/* define if matrix has ghost */
//#define MATRIX_HAS_GHOST
//#define NO_ACTION_ONESHOT
//#define NO_ACTION_MACRO
//#define NO_ACTION_FUNCTION
-
-#endif
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef REV3_TEENSY_CONFIG_H
-#define REV3_TEENSY_CONFIG_H
+#pragma once
#include "config_common.h"
/* COL2ROW or ROW2COL */
#define DIODE_DIRECTION COL2ROW
+#define SOFT_SERIAL_PIN D0
+
/* define if matrix has ghost */
//#define MATRIX_HAS_GHOST
//#define NO_ACTION_ONESHOT
//#define NO_ACTION_MACRO
//#define NO_ACTION_FUNCTION
-
-#endif
-SRC += matrix.c \
- i2c.c \
- split_util.c \
- serial.c
-
# MCU name
MCU = atmega32u4
# 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
+# different sizes, comment this out, and the correct address will be loaded
# automatically (+60). See bootloader.mk for all options.
# Interrupt driven control endpoint task(+60)
AUDIO_ENABLE = no # Audio output on port C6
UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
-RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight.
-SUBPROJECT_rev1 = yes
-USE_I2C = yes
+RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight.
# 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
+SPLIT_KEYBOARD = yes
DEFAULT_FOLDER = orthodox/rev3
+++ /dev/null
-/*
- * 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
-
-matrix_row_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
-matrix_row_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
-
-#define ROW_MASK (((matrix_row_t)0-1)>>(8*sizeof(matrix_row_t)-MATRIX_COLS))
-
-#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
-matrix_row_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
-matrix_row_t serial_read_byte(void) {
- matrix_row_t byte = 0;
- serial_input();
- for ( uint8_t i = 0; i < MATRIX_COLS; ++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(matrix_row_t data) {
- matrix_row_t b = MATRIX_COLS;
- serial_output();
- while( b-- ) {
- if(data & (1UL << b)) {
- serial_high();
- } else {
- serial_low();
- }
- serial_delay();
- }
-}
-
-// interrupt handle to be used by the slave device
-ISR(SERIAL_PIN_INTERRUPT) {
- sync_send();
-
- matrix_row_t checksum = 0;
- for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
- serial_write_byte(serial_slave_buffer[i]);
- sync_send();
- checksum += ROW_MASK & 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);
-
- matrix_row_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 += ROW_MASK & serial_master_buffer[i];
- }
- matrix_row_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();
-
- matrix_row_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 += ROW_MASK & serial_slave_buffer[i];
- }
- matrix_row_t checksum_received = serial_read_byte();
- sync_recv();
-
- if (checksum_computed != checksum_received) {
- sei();
- return 1;
- }
-
- matrix_row_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 += ROW_MASK & 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
+++ /dev/null
-#ifndef MY_SERIAL_H
-#define MY_SERIAL_H
-
-#include "config.h"
-#include <stdbool.h>
-#include "matrix.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 matrix_row_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
-extern volatile matrix_row_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
+++ /dev/null
-#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"
-
-#ifdef USE_I2C
-# include "i2c.h"
-#else
-# include "serial.h"
-#endif
-
-volatile bool isLeftHand = true;
-
-static void setup_handedness(void) {
- #ifdef EE_HANDS
- isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
- #else
- // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
- #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
- isLeftHand = !has_usb();
- #else
- isLeftHand = has_usb();
- #endif
- #endif
-}
-
-static void keyboard_master_setup(void) {
-#ifdef USE_I2C
- i2c_master_init();
-#ifdef SSD1306OLED
- matrix_master_OLED_init ();
-#endif
-#else
- serial_master_init();
-#endif
-}
-
-static void keyboard_slave_setup(void) {
-#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();
- }
-}
+++ /dev/null
-#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
projects / qmk_firmware.git / commitdiff