* mouse layer keys shifted * mouse layer keys shifted * manuform 5x6 added * mouse layer keys shifted * manuform 5x6 added * dactyl_manuform 5x6 keymap added * reorg. dactyl manuform folder * removed LAYOUTS = ortho_4x12 for 4x5 * Rows and Cols in config.h fixed * MASTER_LEFT * 5x6 matrix fixed * keymap updated * removed the i2c, serial, split_util and matrix files and inserted SPLIT_KEYBOARDpull/3645/merge
@ -0,0 +1,97 @@ | |||||
/* | |||||
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" | |||||
/* USB Device descriptor parameter */ | |||||
#define VENDOR_ID 0xFEED | |||||
#define PRODUCT_ID 0x3060 | |||||
#define DEVICE_VER 0x0001 | |||||
#define MANUFACTURER tshort | |||||
#define PRODUCT Dactyl-Manuform | |||||
#define DESCRIPTION A split keyboard for the cheap makers | |||||
/* key matrix size */ | |||||
// Rows are doubled-up | |||||
#define MATRIX_ROWS 12 | |||||
#define MATRIX_COLS 6 | |||||
// wiring of each half | |||||
#define MATRIX_COL_PINS { D4, C6, D7, E6, B4, B5 } | |||||
#define MATRIX_ROW_PINS { F6, F7, B1, B3, B2, B6 } | |||||
/* define if matrix has ghost */ | |||||
//#define MATRIX_HAS_GHOST | |||||
/* number of backlight levels */ | |||||
// #define BACKLIGHT_LEVELS 3 | |||||
/* mouse config */ | |||||
#define MOUSEKEY_INTERVAL 20 | |||||
#define MOUSEKEY_DELAY 0 | |||||
#define MOUSEKEY_TIME_TO_MAX 60 | |||||
#define MOUSEKEY_MAX_SPEED 7 | |||||
#define MOUSEKEY_WHEEL_DELAY 0 | |||||
/* 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)) \ | |||||
) | |||||
/* Enables This makes it easier for fast typists to use dual-function keys */ | |||||
#define PERMISSIVE_HOLD | |||||
/* ws2812 RGB LED */ | |||||
#define RGB_DI_PIN D3 | |||||
#define RGBLIGHT_TIMER | |||||
#define RGBLED_NUM 12 // 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 +1,23 @@ | |||||
#include "dactyl_manuform.h" | |||||
#ifdef SSD1306OLED | |||||
void led_set_kb(uint8_t usb_led) { | |||||
// put your keyboard LED indicator (ex: Caps Lock LED) toggling code here | |||||
led_set_user(usb_led); | |||||
} | |||||
#endif | |||||
void matrix_init_kb(void) { | |||||
// // green led on | |||||
// DDRD |= (1<<5); | |||||
// PORTD &= ~(1<<5); | |||||
// // orange led on | |||||
// DDRB |= (1<<0); | |||||
// PORTB &= ~(1<<0); | |||||
matrix_init_user(); | |||||
}; | |||||
@ -0,0 +1,47 @@ | |||||
#ifndef REV2_H | |||||
#define REV2_H | |||||
#include "dactyl_manuform.h" | |||||
//void promicro_bootloader_jmp(bool program); | |||||
#include "quantum.h" | |||||
#ifdef USE_I2C | |||||
#include <stddef.h> | |||||
#ifdef __AVR__ | |||||
#include <avr/io.h> | |||||
#include <avr/interrupt.h> | |||||
#endif | |||||
#endif | |||||
//void promicro_bootloader_jmp(bool program); | |||||
#define LAYOUT_5x6(\ | |||||
L00, L01, L02, L03, L04, L05, R00, R01, R02, R03, R04, R05, \ | |||||
L10, L11, L12, L13, L14, L15, R10, R11, R12, R13, R14, R15, \ | |||||
L20, L21, L22, L23, L24, L25, R20, R21, R22, R23, R24, R25, \ | |||||
L30, L31, L32, L33, L34, L35, R30, R31, R32, R33, R34, R35, \ | |||||
L42, L43, R42, R43, \ | |||||
L44, L45, R40, R41, \ | |||||
L54, L55, R50, R51, \ | |||||
L52, L53, R52, R53 \ | |||||
) \ | |||||
{ \ | |||||
{ L00, L01, L02, L03, L04, L05 }, \ | |||||
{ L10, L11, L12, L13, L14, L15 }, \ | |||||
{ L20, L21, L22, L23, L24, L25 }, \ | |||||
{ L30, L31, L32, L33, L34, L35 }, \ | |||||
{ KC_NO, KC_NO, L42, L43, L44, L45 }, \ | |||||
{ KC_NO, KC_NO, L52, L53, L54, L55 }, \ | |||||
\ | |||||
{ R00, R01, R02, R03, R04, R05 }, \ | |||||
{ R10, R11, R12, R13, R14, R15 }, \ | |||||
{ R20, R21, R22, R23, R24, R25 }, \ | |||||
{ R30, R31, R32, R33, R34, R35 }, \ | |||||
{ R40, R41, R42, R43, KC_NO, KC_NO },\ | |||||
{ R50, R51, R52, R53, KC_NO, KC_NO }, \ | |||||
} | |||||
#endif |
@ -0,0 +1,28 @@ | |||||
/* | |||||
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/>. | |||||
*/ | |||||
#define USE_SERIAL | |||||
#define MASTER_LEFT | |||||
// #define MASTER_RIGHT | |||||
//#define EE_HANDS | |||||
// Rows are doubled-up | |||||
#define MATRIX_ROWS 12 | |||||
#define MATRIX_COLS 6 | |||||
#include "../../config.h" |
@ -0,0 +1,75 @@ | |||||
#include "dactyl_manuform.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 _QWERTY 0 | |||||
#define _LOWER 1 | |||||
#define _RAISE 2 | |||||
#define SFT_ESC SFT_T(KC_ESC) | |||||
#define CTL_BSPC CTL_T(KC_BSPC) | |||||
#define ALT_SPC ALT_T(KC_SPC) | |||||
#define SFT_ENT SFT_T(KC_ENT) | |||||
#define KC_ML KC_MS_LEFT | |||||
#define KC_MR KC_MS_RIGHT | |||||
#define KC_MU KC_MS_UP | |||||
#define KC_MD KC_MS_DOWN | |||||
#define KC_MB1 KC_MS_BTN1 | |||||
#define KC_MB2 KC_MS_BTN1 | |||||
#define RAISE MO(_RAISE) | |||||
#define LOWER MO(_LOWER) | |||||
#define _______ KC_TRNS | |||||
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { | |||||
[_QWERTY] = LAYOUT_5x6( | |||||
KC_ESC , KC_1 , KC_2 , KC_3 , KC_4 , KC_5 , KC_6 , KC_7 , KC_8 , KC_9 , KC_0 ,KC_BSPC, | |||||
KC_TAB , KC_Q , KC_W , KC_E , KC_R , KC_T , KC_Y , KC_U , KC_I , KC_O , KC_P ,KC_MINS, | |||||
KC_LSFT, KC_A , KC_S , KC_D , KC_F , KC_G , KC_H , KC_J , KC_K , KC_L ,KC_SCLN,KC_QUOT, | |||||
KC_LCTL, KC_Z , KC_X , KC_C , KC_V , KC_B , KC_N , KC_M ,KC_COMM,KC_DOT ,KC_SLSH,KC_BSLASH, | |||||
KC_LBRC,KC_RBRC, KC_PLUS, KC_EQL, | |||||
RAISE,KC_SPC, KC_ENT, LOWER, | |||||
KC_TAB,KC_HOME, KC_END, KC_DEL, | |||||
KC_BSPC, KC_GRV, KC_LGUI, KC_LALT | |||||
), | |||||
[_LOWER] = LAYOUT_5x6( | |||||
KC_TILD,KC_EXLM, KC_AT ,KC_HASH,KC_DLR ,KC_PERC, KC_CIRC,KC_AMPR,KC_ASTR,KC_LPRN,KC_RPRN,KC_DEL, | |||||
_______,_______,_______,_______,_______,KC_LBRC, KC_RBRC, KC_P7 , KC_P8 , KC_P9 ,_______,KC_PLUS, | |||||
_______,KC_HOME,KC_PGUP,KC_PGDN,KC_END ,KC_LPRN, KC_RPRN, KC_P4 , KC_P5 , KC_P6 ,KC_MINS,KC_PIPE, | |||||
_______,_______,_______,_______,_______,_______, _______, KC_P1 , KC_P2 , KC_P3 ,KC_EQL ,KC_UNDS, | |||||
_______,KC_PSCR, _______, KC_P0, | |||||
_______,_______, _______,_______, | |||||
_______,_______, _______,_______, | |||||
_______,_______, _______,_______ | |||||
), | |||||
[_RAISE] = LAYOUT_5x6( | |||||
KC_F12 , KC_F1 , KC_F2 , KC_F3 , KC_F4 , KC_F5 , KC_F6 , KC_F7 , KC_F8 , KC_F9 ,KC_F10 ,KC_F11 , | |||||
_______,_______,_______,_______,_______,KC_LBRC, KC_RBRC,_______,KC_NLCK,KC_INS ,KC_SLCK,KC_MUTE, | |||||
_______,KC_LEFT,KC_UP ,KC_DOWN,KC_RGHT,KC_LPRN, KC_RPRN,KC_MPRV,KC_MPLY,KC_MNXT,_______,KC_VOLU, | |||||
_______,_______,_______,_______,_______,_______, _______,_______,_______,_______,_______,KC_VOLD, | |||||
_______,_______, KC_EQL ,_______, | |||||
_______,_______, _______,_______, | |||||
_______,_______, _______,_______, | |||||
_______,_______, _______,_______ | |||||
), | |||||
}; | |||||
void persistant_default_layer_set(uint16_t default_layer) { | |||||
eeconfig_update_default_layer(default_layer); | |||||
default_layer_set(default_layer); | |||||
} |
@ -0,0 +1,142 @@ | |||||
Dactyl Manuform 5x6 | |||||
====== | |||||
the [Dactyl-Manuform](https://github.com/tshort/dactyl-keyboard) is a split curved keyboard based on the design of [adereth dactyl](https://github.com/adereth/dactyl-keyboard) and thumb cluster design of the [manuform](https://geekhack.org/index.php?topic=46015.0) keyboard, the hardware is similar to the let's split keyboard. all information needed for making one is in the first link. | |||||
![Imgur](https://i.imgur.com/7y0Vbyd.jpg) | |||||
## First Time Setup | |||||
Download or clone the `qmk_firmware` repo and navigate to its top level directory. Once your build environment is setup, you'll be able to generate the default .hex using: | |||||
``` | |||||
$ make handwired/dactyl_manuform/5x6:YOUR_KEYMAP_NAME | |||||
``` | |||||
If everything worked correctly you will see a file: | |||||
``` | |||||
dactyl_manuform_5x6_YOUR_KEYMAP_NAME.hex | |||||
``` | |||||
For more information on customizing keymaps, take a look at the primary documentation for [Customizing Your Keymap](/docs/faq_keymap.md) in the main readme.md. | |||||
## Keymaps | |||||
Currently there are only two keymaps: Qwerty and Dvorak, feel free to make changes and contribute your keymap. | |||||
### Impstyle | |||||
Required Hardware | |||||
----------------- | |||||
Apart from diodes and key switches for the keyboard matrix in each half, you | |||||
will need: | |||||
* 2 Arduino Pro Micros. You can find these on AliExpress for ≈3.50USD each. | |||||
* 2 TRRS sockets and 1 TRRS cable, or 2 TRS sockets and 1 TRS cable | |||||
Alternatively, you can use any sort of cable and socket that has at least 3 | |||||
wires. If you want to use I2C to communicate between halves, you will need a | |||||
cable with at least 4 wires and 2x 4.7kΩ pull-up resistors | |||||
Optional Hardware | |||||
----------------- | |||||
A speaker can be hooked-up to either side to the `5` (`C6`) pin and `GND`, and turned on via `AUDIO_ENABLE`. | |||||
Wiring | |||||
------ | |||||
The 3 wires of the TRS/TRRS cable need to connect GND, VCC, and digital pin 3 (i.e. | |||||
PD0 on the ATmega32u4) between the two Pro Micros. | |||||
Next, wire your key matrix to any of the remaining 17 IO pins of the pro micro | |||||
and modify the `matrix.c` accordingly. | |||||
The wiring for serial: | |||||
![serial wiring](https://i.imgur.com/C3D1GAQ.png) | |||||
The wiring for i2c: | |||||
![i2c wiring](https://i.imgur.com/Hbzhc6E.png) | |||||
The pull-up resistors may be placed on either half. It is also possible | |||||
to use 4 resistors and have the pull-ups in both halves, but this is | |||||
unnecessary in simple use cases. | |||||
You can change your configuration between serial and i2c by modifying your `config.h` file. | |||||
Notes on Software Configuration | |||||
------------------------------- | |||||
the keymaps in here are for the 4x5 layout of the keyboard only. | |||||
Flashing | |||||
------- | |||||
From the top level `qmk_firmware` directory run `make KEYBOARD:KEYMAP:avrdude` for automatic serial port resolution and flashing. | |||||
Example: `make lets_split/rev2:default:avrdude` | |||||
Choosing which board to plug the USB cable into (choosing Master) | |||||
-------- | |||||
Because the two boards are identical, the firmware has logic to differentiate the left and right board. | |||||
It uses two strategies to figure things out: looking at the EEPROM (memory on the chip) or looking if the current board has the usb cable. | |||||
The EEPROM approach requires additional setup (flashing the eeprom) but allows you to swap the usb cable to either side. | |||||
The USB cable approach is easier to setup and if you just want the usb cable on the left board, you do not need to do anything extra. | |||||
### Setting the left hand as master | |||||
If you always plug the usb cable into the left board, nothing extra is needed as this is the default. Comment out `EE_HANDS` and comment out `I2C_MASTER_RIGHT` or `MASTER_RIGHT` if for some reason it was set. | |||||
### Setting the right hand as master | |||||
If you always plug the usb cable into the right board, add an extra flag to your `config.h` | |||||
``` | |||||
#define MASTER_RIGHT | |||||
``` | |||||
### Setting EE_hands to use either hands as master | |||||
If you define `EE_HANDS` in your `config.h`, you will need to set the | |||||
EEPROM for the left and right halves. | |||||
The EEPROM is used to store whether the | |||||
half is left handed or right handed. This makes it so that the same firmware | |||||
file will run on both hands instead of having to flash left and right handed | |||||
versions of the firmware to each half. To flash the EEPROM file for the left | |||||
half run: | |||||
``` | |||||
avrdude -p atmega32u4 -P $(COM_PORT) -c avr109 -U eeprom:w:eeprom-lefthand.eep | |||||
// or the equivalent in dfu-programmer | |||||
``` | |||||
and similarly for right half | |||||
``` | |||||
avrdude -p atmega32u4 -P $(COM_PORT) -c avr109 -U eeprom:w:eeprom-righhand.eep | |||||
// or the equivalent in dfu-programmer | |||||
``` | |||||
NOTE: replace `$(COM_PORT)` with the port of your device (e.g. `/dev/ttyACM0`) | |||||
After you have flashed the EEPROM, you then need to set `EE_HANDS` in your config.h, rebuild the hex files and reflash. | |||||
Note that you need to program both halves, but you have the option of using | |||||
different keymaps for each half. You could program the left half with a QWERTY | |||||
layout and the right half with a Colemak layout using bootmagic's default layout option. | |||||
Then if you connect the left half to a computer by USB the keyboard will use QWERTY and Colemak when the | |||||
right half is connected. | |||||
Notes on Using Pro Micro 3.3V | |||||
----------------------------- | |||||
Do update the `F_CPU` parameter in `rules.mk` to `8000000` which reflects | |||||
the frequency on the 3.3V board. | |||||
Also, if the slave board is producing weird characters in certain columns, | |||||
update the following line in `matrix.c` to the following: | |||||
``` | |||||
// _delay_us(30); // without this wait read unstable value. | |||||
_delay_us(300); // without this wait read unstable value. | |||||
``` |
@ -0,0 +1,67 @@ | |||||
# 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 = yes # Mouse keys(+4700) | |||||
EXTRAKEY_ENABLE = yes # Audio control and System control(+450) | |||||
CONSOLE_ENABLE = no # Console for debug(+400) | |||||
COMMAND_ENABLE = yes # Commands for debug and configuration | |||||
NKRO_ENABLE = no # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work | |||||
BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality | |||||
MIDI_ENABLE = no # MIDI controls | |||||
AUDIO_ENABLE = no # Audio output on port C6 | |||||
UNICODE_ENABLE = no # Unicode | |||||
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID | |||||
RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight. Do not enable this with audio at the same time. | |||||
SUBPROJECT_rev1 = yes | |||||
USE_I2C = yes | |||||
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE | |||||
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend | |||||
SPLIT_KEYBOARD = yes |
@ -1,2 +0,0 @@ | |||||
:0F000000000000000000000000000000000001F0 | |||||
:00000001FF |
@ -1,2 +0,0 @@ | |||||
:0F000000000000000000000000000000000000F1 | |||||
:00000001FF |
@ -1,162 +0,0 @@ | |||||
#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 |
@ -1,49 +0,0 @@ | |||||
#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 |
@ -1,465 +0,0 @@ | |||||
/* | |||||
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" | |||||
#ifdef USE_I2C | |||||
# include "i2c.h" | |||||
#else // USE_SERIAL | |||||
# include "serial.h" | |||||
#endif | |||||
#ifndef DEBOUNCING_DELAY | |||||
# define DEBOUNCING_DELAY 5 | |||||
#endif | |||||
#if (DEBOUNCING_DELAY > 0) | |||||
static uint16_t debouncing_time; | |||||
static bool debouncing = false; | |||||
#endif | |||||
#if (MATRIX_COLS <= 8) | |||||
# define print_matrix_header() print("\nr/c 01234567\n") | |||||
# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row)) | |||||
# define matrix_bitpop(i) bitpop(matrix[i]) | |||||
# define ROW_SHIFTER ((uint8_t)1) | |||||
#else | |||||
# error "Currently only supports 8 COLS" | |||||
#endif | |||||
static matrix_row_t matrix_debouncing[MATRIX_ROWS]; | |||||
#define ERROR_DISCONNECT_COUNT 5 | |||||
#define ROWS_PER_HAND (MATRIX_ROWS/2) | |||||
static uint8_t error_count = 0; | |||||
static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; | |||||
static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; | |||||
/* matrix state(1:on, 0:off) */ | |||||
static matrix_row_t matrix[MATRIX_ROWS]; | |||||
static matrix_row_t matrix_debouncing[MATRIX_ROWS]; | |||||
#if (DIODE_DIRECTION == COL2ROW) | |||||
static void init_cols(void); | |||||
static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row); | |||||
static void unselect_rows(void); | |||||
static void select_row(uint8_t row); | |||||
static void unselect_row(uint8_t row); | |||||
#elif (DIODE_DIRECTION == ROW2COL) | |||||
static void init_rows(void); | |||||
static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col); | |||||
static void unselect_cols(void); | |||||
static void unselect_col(uint8_t col); | |||||
static void select_col(uint8_t col); | |||||
#endif | |||||
__attribute__ ((weak)) | |||||
void matrix_init_kb(void) { | |||||
matrix_init_user(); | |||||
} | |||||
__attribute__ ((weak)) | |||||
void matrix_scan_kb(void) { | |||||
matrix_scan_user(); | |||||
} | |||||
__attribute__ ((weak)) | |||||
void matrix_init_user(void) { | |||||
} | |||||
__attribute__ ((weak)) | |||||
void matrix_scan_user(void) { | |||||
} | |||||
inline | |||||
uint8_t matrix_rows(void) | |||||
{ | |||||
return MATRIX_ROWS; | |||||
} | |||||
inline | |||||
uint8_t matrix_cols(void) | |||||
{ | |||||
return MATRIX_COLS; | |||||
} | |||||
void matrix_init(void) | |||||
{ | |||||
#ifdef DISABLE_JTAG | |||||
// JTAG disable for PORT F. write JTD bit twice within four cycles. | |||||
MCUCR |= (1<<JTD); | |||||
MCUCR |= (1<<JTD); | |||||
#endif | |||||
debug_enable = true; | |||||
debug_matrix = true; | |||||
debug_mouse = true; | |||||
// initialize row and col | |||||
#if (DIODE_DIRECTION == COL2ROW) | |||||
unselect_rows(); | |||||
init_cols(); | |||||
#elif (DIODE_DIRECTION == ROW2COL) | |||||
unselect_cols(); | |||||
init_rows(); | |||||
#endif | |||||
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(); | |||||
} | |||||
# else | |||||
read_cols_on_row(matrix+offset, current_row); | |||||
# endif | |||||
} | |||||
#elif (DIODE_DIRECTION == ROW2COL) | |||||
// Set col, read rows | |||||
for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { | |||||
# if (DEBOUNCING_DELAY > 0) | |||||
bool matrix_changed = read_rows_on_col(matrix_debouncing+offset, current_col); | |||||
if (matrix_changed) { | |||||
debouncing = true; | |||||
debouncing_time = timer_read(); | |||||
} | |||||
# else | |||||
read_rows_on_col(matrix+offset, current_col); | |||||
# endif | |||||
} | |||||
#endif | |||||
# if (DEBOUNCING_DELAY > 0) | |||||
if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCING_DELAY)) { | |||||
for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { | |||||
matrix[i+offset] = matrix_debouncing[i+offset]; | |||||
} | |||||
debouncing = false; | |||||
} | |||||
# endif | |||||
return 1; | |||||
} | |||||
#ifdef USE_I2C | |||||
// Get rows from other half over i2c | |||||
int i2c_transaction(void) { | |||||
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; | |||||
int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE); | |||||
if (err) goto i2c_error; | |||||
// start of matrix stored at 0x00 | |||||
err = i2c_master_write(0x00); | |||||
if (err) goto i2c_error; | |||||
// Start read | |||||
err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ); | |||||
if (err) goto i2c_error; | |||||
if (!err) { | |||||
int i; | |||||
for (i = 0; i < ROWS_PER_HAND-1; ++i) { | |||||
matrix[slaveOffset+i] = i2c_master_read(I2C_ACK); | |||||
} | |||||
matrix[slaveOffset+i] = i2c_master_read(I2C_NACK); | |||||
i2c_master_stop(); | |||||
} else { | |||||
i2c_error: // the cable is disconnceted, or something else went wrong | |||||
i2c_reset_state(); | |||||
return err; | |||||
} | |||||
return 0; | |||||
} | |||||
#else // USE_SERIAL | |||||
int serial_transaction(void) { | |||||
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; | |||||
if (serial_update_buffers()) { | |||||
return 1; | |||||
} | |||||
for (int i = 0; i < ROWS_PER_HAND; ++i) { | |||||
matrix[slaveOffset+i] = serial_slave_buffer[i]; | |||||
} | |||||
return 0; | |||||
} | |||||
#endif | |||||
uint8_t matrix_scan(void) | |||||
{ | |||||
uint8_t ret = _matrix_scan(); | |||||
#ifdef USE_I2C | |||||
if( i2c_transaction() ) { | |||||
#else // USE_SERIAL | |||||
if( serial_transaction() ) { | |||||
#endif | |||||
// turn on the indicator led when halves are disconnected | |||||
TXLED1; | |||||
error_count++; | |||||
if (error_count > ERROR_DISCONNECT_COUNT) { | |||||
// reset other half if disconnected | |||||
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; | |||||
for (int i = 0; i < ROWS_PER_HAND; ++i) { | |||||
matrix[slaveOffset+i] = 0; | |||||
} | |||||
} | |||||
} else { | |||||
// turn off the indicator led on no error | |||||
TXLED0; | |||||
error_count = 0; | |||||
} | |||||
matrix_scan_quantum(); | |||||
return ret; | |||||
} | |||||
void matrix_slave_scan(void) { | |||||
_matrix_scan(); | |||||
int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; | |||||
#ifdef USE_I2C | |||||
for (int i = 0; i < ROWS_PER_HAND; ++i) { | |||||
i2c_slave_buffer[i] = matrix[offset+i]; | |||||
} | |||||
#else // USE_SERIAL | |||||
for (int i = 0; i < ROWS_PER_HAND; ++i) { | |||||
serial_slave_buffer[i] = matrix[offset+i]; | |||||
} | |||||
#endif | |||||
} | |||||
bool matrix_is_modified(void) | |||||
{ | |||||
if (debouncing) return false; | |||||
return true; | |||||
} | |||||
inline | |||||
bool matrix_is_on(uint8_t row, uint8_t col) | |||||
{ | |||||
return (matrix[row] & ((matrix_row_t)1<<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 |
@ -1,228 +0,0 @@ | |||||
/* | |||||
* 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 |
@ -1,26 +0,0 @@ | |||||
#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 |
@ -1,86 +0,0 @@ | |||||
#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" | |||||
#ifdef USE_I2C | |||||
# include "i2c.h" | |||||
#else | |||||
# include "serial.h" | |||||
#endif | |||||
volatile bool isLeftHand = true; | |||||
static void setup_handedness(void) { | |||||
#ifdef EE_HANDS | |||||
isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS); | |||||
#else | |||||
// I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c | |||||
#if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT) | |||||
isLeftHand = !has_usb(); | |||||
#else | |||||
isLeftHand = has_usb(); | |||||
#endif | |||||
#endif | |||||
} | |||||
static void keyboard_master_setup(void) { | |||||
#ifdef USE_I2C | |||||
i2c_master_init(); | |||||
#ifdef SSD1306OLED | |||||
matrix_master_OLED_init (); | |||||
#endif | |||||
#else | |||||
serial_master_init(); | |||||
#endif | |||||
} | |||||
static void keyboard_slave_setup(void) { | |||||
timer_init(); | |||||
#ifdef USE_I2C | |||||
i2c_slave_init(SLAVE_I2C_ADDRESS); | |||||
#else | |||||
serial_slave_init(); | |||||
#endif | |||||
} | |||||
bool has_usb(void) { | |||||
USBCON |= (1 << OTGPADE); //enables VBUS pad | |||||
_delay_us(5); | |||||
return (USBSTA & (1<<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(); | |||||
} | |||||
} |
@ -1,20 +0,0 @@ | |||||
#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 |