#---------------------------------------------------------------------------- | |||||
# On command line: | |||||
# | |||||
# make all = Make software. | |||||
# | |||||
# make clean = Clean out built project files. | |||||
# | |||||
# make coff = Convert ELF to AVR COFF. | |||||
# | |||||
# make extcoff = Convert ELF to AVR Extended COFF. | |||||
# | |||||
# make program = Download the hex file to the device. | |||||
# Please customize your programmer settings(PROGRAM_CMD) | |||||
# | |||||
# make teensy = Download the hex file to the device, using teensy_loader_cli. | |||||
# (must have teensy_loader_cli installed). | |||||
# | |||||
# make dfu = Download the hex file to the device, using dfu-programmer (must | |||||
# have dfu-programmer installed). | |||||
# | |||||
# make flip = Download the hex file to the device, using Atmel FLIP (must | |||||
# have Atmel FLIP installed). | |||||
# | |||||
# make dfu-ee = Download the eeprom file to the device, using dfu-programmer | |||||
# (must have dfu-programmer installed). | |||||
# | |||||
# make flip-ee = Download the eeprom file to the device, using Atmel FLIP | |||||
# (must have Atmel FLIP installed). | |||||
# | |||||
# make debug = Start either simulavr or avarice as specified for debugging, | |||||
# with avr-gdb or avr-insight as the front end for debugging. | |||||
# | |||||
# make filename.s = Just compile filename.c into the assembler code only. | |||||
# | |||||
# make filename.i = Create a preprocessed source file for use in submitting | |||||
# bug reports to the GCC project. | |||||
# | |||||
# To rebuild project do "make clean" then "make all". | |||||
#---------------------------------------------------------------------------- | |||||
# Target file name (without extension). | |||||
TARGET = semaphore | |||||
# Directory common source filess exist | |||||
TMK_DIR = ../../tmk_core | |||||
# Directory keyboard dependent files exist | |||||
TARGET_DIR = . | |||||
# project specific files | |||||
SRC = matrix.c \ | |||||
i2c.c \ | |||||
serial.c \ | |||||
split-util.c \ | |||||
led.c | |||||
CONFIG_H = config.h | |||||
# MCU name | |||||
MCU = atmega32u4 | |||||
COM_PORT=/dev/ttyACM0 | |||||
PROGRAM_CMD=sleep 3; avrdude -p atmega32u4 -P $(COM_PORT) -c avr109 -U flash:w:$(TARGET).hex | |||||
# 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) | |||||
# Interrupt driven control endpoint task(+60) | |||||
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT | |||||
# Boot Section Size in *bytes* | |||||
# Teensy halfKay 512 | |||||
# Teensy++ halfKay 1024 | |||||
# Atmel DFU loader 4096 | |||||
# LUFA bootloader 4096 | |||||
# USBaspLoader 2048 | |||||
OPT_DEFS += -DBOOTLOADER_SIZE=4096 | |||||
# Changes some bootmagic settings for when the space is on the left half | |||||
OPT_DEFS += -DSPACE_ON_LEFT_HALF | |||||
# # Use I2C for communication between the halves of the keyboard | |||||
# OPT_DEFS += -DUSE_I2C | |||||
# Build Options | |||||
# comment out to disable the options. | |||||
# | |||||
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000) | |||||
MOUSEKEY_ENABLE = yes # Mouse keys(+4700) | |||||
EXTRAKEY_ENABLE = yes # Audio control and System control(+450) | |||||
CONSOLE_ENABLE = yes # Console for debug(+400) | |||||
COMMAND_ENABLE = yes # Commands for debug and configuration | |||||
SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend | |||||
NKRO_ENABLE = yes # USB Nkey Rollover | |||||
ACTIONMAP_ENABLE = yes # Use 16bit action codes in keymap instead of 8bit keycodes | |||||
ifdef ACTIONMAP_ENABLE | |||||
KEYMAP_FILE = actionmap | |||||
else | |||||
KEYMAP_FILE = keymap | |||||
SRC := keymap_common.c $(SRC) | |||||
endif | |||||
ifdef KEYMAP | |||||
SRC := $(KEYMAP_FILE)_$(KEYMAP).c $(SRC) | |||||
else | |||||
SRC := $(KEYMAP_FILE)_plain.c $(SRC) | |||||
endif | |||||
#PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support | |||||
#PS2_USE_BUSYWAIT = yes # uses primitive reference code | |||||
#PS2_USE_INT = yes # uses external interrupt for falling edge of PS/2 clock pin | |||||
#PS2_USE_USART = yes # uses hardware USART engine for PS/2 signal receive(recomened) | |||||
# Search Path | |||||
VPATH += $(TARGET_DIR) | |||||
VPATH += $(TMK_DIR) | |||||
# Un comment this line if you want to use pjrc protocol | |||||
# include $(TMK_DIR)/protocol/pjrc.mk | |||||
include $(TMK_DIR)/protocol/lufa.mk | |||||
include $(TMK_DIR)/common.mk | |||||
include $(TMK_DIR)/rules.mk | |||||
debug-on: EXTRAFLAGS += -DDEBUG -DDEBUG_ACTION | |||||
debug-on: all | |||||
debug-off: EXTRAFLAGS += -DNO_DEBUG -DNO_PRINT | |||||
debug-off: OPT_DEFS := $(filter-out -DCONSOLE_ENABLE,$(OPT_DEFS)) | |||||
debug-off: all | |||||
eeprom-left: | |||||
sleep 3; avrdude -p atmega32u4 -P $(COM_PORT) -c avr109 -U eeprom:w:eeprom-lefthand.eep | |||||
eeprom-right: | |||||
sleep 3; avrdude -p atmega32u4 -P $(COM_PORT) -c avr109 -U eeprom:w:eeprom-righthand.eep |
This is a modification of the TMK firmware by ahtn found here https://github.com/ahtn/tmk_keyboard/tree/master/keyboard/split_keyboard | |||||
Custom split keyboard firmware | |||||
====== | |||||
Split keyboard firmware for Arduino Pro Micro or other ATmega32u4 | |||||
based boards. | |||||
Features | |||||
-------- | |||||
Some features supported by the firmware: | |||||
* Either half can connect to the computer via USB, or both halves can be used | |||||
independently. | |||||
* You only need 3 wires to connect the two halves. Two for VCC and GND and one | |||||
for serial communication. | |||||
* Optional support for I2C connection between the two halves if for some | |||||
reason you require a faster connection between the two halves. Note this | |||||
requires an extra wire between halves and pull-up resistors on the data lines. | |||||
Required Hardware | |||||
----------------- | |||||
Apart from diodes and key switches for the keyboard matrix in each half, you | |||||
will need: | |||||
* 2 Arduino Pro Micro's. You can find theses on aliexpress for ≈3.50USD each. | |||||
* 2 TRS sockets | |||||
* 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 | |||||
Wiring | |||||
------ | |||||
The 3 wires of the TRS cable need to connect GND, VCC, and digital pin 3 (i.e. | |||||
`PD0` on the ATmega32u4) between the two Pro Micros. | |||||
Then wire your key matrix to any of the remaining 17 IO pins of the pro micro | |||||
and modify the `MATRIX_COL_PINS` and `MATRIX_ROW_PINS` in `config.h` accordingly. | |||||
The wiring for serial: | |||||
![serial wiring](imgs/split-keyboard-serial-schematic.png) | |||||
The wiring for i2c: | |||||
![i2c wiring](imgs/split-keyboard-i2c-schematic.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. | |||||
Notes on Software Configuration | |||||
------------------------------- | |||||
Configuring the firmware is similar to any other TMK project. One thing | |||||
to note is that `MATIX_ROWS` in `config.h` is the total number of rows between | |||||
the two halves, i.e. if your split keyboard has 4 rows in each half, then | |||||
`MATRIX_ROWS=8`. | |||||
Also the current implementation assumes a maximum of 8 columns, but it would | |||||
not be very difficult to adapt it to support more if required. | |||||
Flashing | |||||
-------- | |||||
Before you go to flash the program memory for the first time, you will need to | |||||
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: | |||||
``` | |||||
make eeprom-left | |||||
``` | |||||
and similarly for right half | |||||
``` | |||||
make eeprom-right | |||||
``` | |||||
After you have flashed the EEPROM for the first time, you then need to program | |||||
the flash memory: | |||||
``` | |||||
make program | |||||
``` | |||||
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. 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. | |||||
#ifndef ACTIONMAP_COMMON_H | |||||
#define ACTIONMAP_COMMON_H | |||||
#define ACTIONMAP( \ | |||||
K00, K01, K02, K03, K04, K05, \ | |||||
K10, K11, K12, K13, K14, K15, \ | |||||
K20, K21, K22, K23, K24, K25, \ | |||||
K30, K31, K32, K33, K34, K35, \ | |||||
K40, K41, K42, K43, K44, K45, \ | |||||
\ | |||||
K50, K51, K52, K53, K54, K55, \ | |||||
K60, K61, K62, K63, K64, K65, \ | |||||
K70, K71, K72, K73, K74, K75, \ | |||||
K80, K81, K82, K83, K84, K85, \ | |||||
K90, K91, K92, K93, K94, K95 \ | |||||
) { \ | |||||
{ AC_##K00, AC_##K01, AC_##K02, AC_##K03, AC_##K04, AC_##K05 }, \ | |||||
{ AC_##K10, AC_##K11, AC_##K12, AC_##K13, AC_##K14, AC_##K15 }, \ | |||||
{ AC_##K20, AC_##K21, AC_##K22, AC_##K23, AC_##K24, AC_##K25 }, \ | |||||
{ AC_##K30, AC_##K31, AC_##K32, AC_##K33, AC_##K34, AC_##K35 }, \ | |||||
{ AC_##K40, AC_##K41, AC_##K42, AC_##K43, AC_##K44, AC_##K45 }, \ | |||||
\ | |||||
{ AC_##K55, AC_##K54, AC_##K53, AC_##K52, AC_##K51, AC_##K50 }, \ | |||||
{ AC_##K65, AC_##K64, AC_##K63, AC_##K62, AC_##K61, AC_##K60 }, \ | |||||
{ AC_##K75, AC_##K74, AC_##K73, AC_##K72, AC_##K71, AC_##K70 }, \ | |||||
{ AC_##K85, AC_##K84, AC_##K83, AC_##K82, AC_##K81, AC_##K80 }, \ | |||||
{ AC_##K95, AC_##K94, AC_##K93, AC_##K92, AC_##K91, AC_##K90 }, \ | |||||
} | |||||
#endif |
#include "actionmap.h" | |||||
#include "action_code.h" | |||||
#include "actionmap_common.h" | |||||
/* | |||||
* Actions | |||||
*/ | |||||
#define AC_TL1 ACTION_LAYER_TAP_KEY(3, KC_TAB) | |||||
#define AC_TM1 ACTION_LAYER_MOMENTARY(1) | |||||
#define AC_TM2 ACTION_LAYER_MOMENTARY(2) | |||||
#define AC_MT1 ACTION_MODS_TAP_KEY(MOD_RSFT, KC_ENT) | |||||
#define AC_S01 ACTION_MODS_KEY(MOD_LSFT, KC_1) | |||||
#define AC_S02 ACTION_MODS_KEY(MOD_LSFT, KC_2) | |||||
#define AC_S03 ACTION_MODS_KEY(MOD_LSFT, KC_3) | |||||
#define AC_S04 ACTION_MODS_KEY(MOD_LSFT, KC_4) | |||||
#define AC_S05 ACTION_MODS_KEY(MOD_LSFT, KC_5) | |||||
#define AC_S06 ACTION_MODS_KEY(MOD_LSFT, KC_6) | |||||
#define AC_S07 ACTION_MODS_KEY(MOD_LSFT, KC_7) | |||||
#define AC_S08 ACTION_MODS_KEY(MOD_LSFT, KC_8) | |||||
#define AC_S09 ACTION_MODS_KEY(MOD_LSFT, KC_9) | |||||
#define AC_S10 ACTION_MODS_KEY(MOD_LSFT, KC_0) | |||||
#define AC_S11 ACTION_MODS_KEY(MOD_LSFT, KC_MINS) | |||||
#define AC_S12 ACTION_MODS_KEY(MOD_LSFT, KC_EQL) | |||||
#define AC_S13 ACTION_MODS_KEY(MOD_LSFT, KC_LBRC) | |||||
#define AC_S14 ACTION_MODS_KEY(MOD_LSFT, KC_RBRC) | |||||
#define AC_S15 ACTION_MODS_KEY(MOD_LSFT, KC_BSLS) | |||||
#define AC_S16 ACTION_MODS_KEY(MOD_LSFT, KC_GRV) | |||||
const action_t PROGMEM actionmaps[][MATRIX_ROWS][MATRIX_COLS] = { | |||||
[0] = ACTIONMAP( | |||||
ESC, 1, 2, 3, 4, 5, | |||||
GRV, Q, W, E, R, T, | |||||
TL1, A, S, D, F, G, | |||||
LSFT, Z, X, C, V, B, | |||||
LCTL, LALT, LGUI, APP, TM2, SPC, | |||||
6, 7, 8, 9, 0, BSPC, | |||||
Y, U, I, O, P, DELETE, | |||||
H, J, K, L, SCLN, QUOT, | |||||
N, M, COMM, DOT, SLSH, MT1, | |||||
SPC, TM1, LEFT, DOWN, UP, RGHT | |||||
), | |||||
[1] = ACTIONMAP( | |||||
TRNS, F1, F2, F3, F4, F5, | |||||
GRV, 1, 2, 3, 4, 5, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
TRNS, F11, F12, F13, F14, F15, | |||||
TRNS, TRNS, TRNS, CAPS, TRNS, TRNS, | |||||
F6, F7, F8, F9, F10, TRNS, | |||||
6, 7, 8, 9, 0, DELETE, | |||||
TRNS, MINS, EQL, LBRC, RBRC, BSLS, | |||||
F16, F17, F18, F19, F20, TRNS, | |||||
TRNS, TRNS, HOME, PGDN, PGUP, END | |||||
), | |||||
[2] = ACTIONMAP( | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
S16, S01, S02, S03, S04, S05, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
TRNS, F1, F2, F3, F4, F5, | |||||
TRNS, TRNS, TRNS, CAPS, TRNS, TRNS, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
S06, S07, S08, S09, S10, DELETE, | |||||
TRNS, S11, S12, S13, S14, S15, | |||||
F6, F7, F8, F9, F10, TRNS, | |||||
TRNS, TRNS, HOME, PGDN, PGUP, END | |||||
), | |||||
[3] = ACTIONMAP( | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
TRNS, CALC, WHOM, MAIL, MYCM, TRNS, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
TRNS, TRNS, TRNS, TRNS, PSCR, TRNS, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, | |||||
TRNS, TRNS, TRNS, TRNS, TRNS, TRNS | |||||
), | |||||
}; | |||||
/* | |||||
Copyright 2012 Jun Wako <[email protected]> | |||||
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 | |||||
/* USB Device descriptor parameter */ | |||||
#define VENDOR_ID 0xFEED | |||||
#define PRODUCT_ID 0x0A0C | |||||
#define DEVICE_VER 0x0534 | |||||
#define MANUFACTURER di0ib | |||||
#define PRODUCT The semaphore Keyboard | |||||
#define DESCRIPTION A split 60 key keyboard | |||||
/* key matrix size */ | |||||
#define ROWS_PER_HAND 5 | |||||
#define MATRIX_COLS 6 | |||||
#define MATRIX_ROWS ROWS_PER_HAND*2 | |||||
#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3 } | |||||
#define MATRIX_ROW_PINS { B2, B6, D4, C6, D7 } | |||||
/* use i2c instead of serial */ | |||||
//#define USE_I2C | |||||
//#define I2C_WRITE_TEST_CODE | |||||
/* define if matrix has ghost */ | |||||
//#define MATRIX_HAS_GHOST | |||||
/* Set 0 if debouncing isn't needed */ | |||||
#define DEBOUNCE 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 | |||||
/* | |||||
* 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 | |||||
/* key combination for command */ | |||||
#define IS_COMMAND() ( \ | |||||
keyboard_report->mods == (MOD_BIT(KC_LCTL) | MOD_BIT(KC_LALT) | MOD_BIT(KC_LGUI)) \ | |||||
) | |||||
/* boot magic key */ | |||||
#define BOOTMAGIC_KEY_SALT KC_Q | |||||
#ifdef SPACE_ON_LEFT_HALF | |||||
#define BOOTMAGIC_KEY_DEFAULT_LAYER_0 KC_Z | |||||
#define BOOTMAGIC_KEY_DEFAULT_LAYER_1 KC_X | |||||
#define BOOTMAGIC_KEY_DEFAULT_LAYER_2 KC_C | |||||
#define BOOTMAGIC_HOST_NKRO KC_V | |||||
#else | |||||
#define BOOTMAGIC_KEY_DEFAULT_LAYER_0 KC_M | |||||
#define BOOTMAGIC_KEY_DEFAULT_LAYER_1 KC_COMM | |||||
#define BOOTMAGIC_KEY_DEFAULT_LAYER_2 KC_DOT | |||||
#define BOOTMAGIC_HOST_NKRO KC_N | |||||
#endif | |||||
/* Mousekey settings */ | |||||
#define MOUSEKEY_MOVE_MAX 127 // default 127 | |||||
#define MOUSEKEY_WHEEL_MAX 127 // default 127 | |||||
#define MOUSEKEY_MOVE_DELTA 5 // default 5 | |||||
#define MOUSEKEY_WHEEL_DELTA 1 // default 1 | |||||
#define MOUSEKEY_DELAY 300 // default 300 | |||||
#define MOUSEKEY_INTERVAL 50 // default 50 | |||||
#define MOUSEKEY_MAX_SPEED 5 // default 10 | |||||
#define MOUSEKEY_TIME_TO_MAX 10 // default 20 | |||||
#define MOUSEKEY_WHEEL_MAX_SPEED 8 // default 8 | |||||
#define MOUSEKEY_WHEEL_TIME_TO_MAX 40 // default 40 | |||||
/* Action tapping settings */ | |||||
#define TAPPING_TERM 200 // default 200 | |||||
/* #define TAPPING_TOGGLE 2 // default 5 */ | |||||
/* #define ONESHOT_TIMEOUT 5000 // default undefined */ | |||||
#define ONESHOT_TAP_TOGGLE 2 | |||||
#endif |
:080000000000000000000001F7 | |||||
:00000001FF |
:080000000000000000000000F8 | |||||
:00000001FF |
#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" | |||||
#define I2C_READ 1 | |||||
#define I2C_WRITE 0 | |||||
#define I2C_ACK 1 | |||||
#define I2C_NACK 0 | |||||
// 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 mcu 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) | |||||
static volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE] = {0}; | |||||
static volatile uint8_t slave_buffer_pos; | |||||
static volatile bool slave_has_register_set = false; | |||||
static uint8_t i2c_start(uint8_t address); | |||||
static void i2c_stop(void); | |||||
static uint8_t i2c_write(uint8_t data); | |||||
static uint8_t i2c_read(uint8_t ack); | |||||
// 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); | |||||
} | |||||
// i2c_device_addr: the i2c device to communicate with | |||||
// addr: the memory address to read from the i2c device | |||||
// dest: pointer to where read data is saved | |||||
// len: the number of bytes to read | |||||
// | |||||
// NOTE: on error, the data in dest may have been modified | |||||
bool i2c_master_read(uint8_t i2c_device_addr, uint8_t addr, uint8_t *dest, uint8_t len) { | |||||
bool err; | |||||
if (len == 0) return 0; | |||||
err = i2c_start(i2c_device_addr + I2C_WRITE); | |||||
if (err) return err; | |||||
err = i2c_write(addr); | |||||
if (err) return err; | |||||
err = i2c_start(i2c_device_addr + I2C_READ); | |||||
if (err) return err; | |||||
for (uint8_t i = 0; i < len-1; ++i) { | |||||
dest[i] = i2c_read(I2C_ACK); | |||||
} | |||||
dest[len-1] = i2c_read(I2C_NACK); | |||||
i2c_stop(); | |||||
return 0; | |||||
} | |||||
// i2c_device_addr: the i2c device to communicate with | |||||
// addr: the memory address at which to write in the i2c device | |||||
// data: the data to be written | |||||
// len: the number of bytes to write | |||||
bool i2c_master_write(uint8_t i2c_device_addr, uint8_t addr, uint8_t *data, uint8_t len) { | |||||
bool err; | |||||
if (len == 0) return 0; | |||||
err = i2c_start(i2c_device_addr + I2C_WRITE); | |||||
if (err) return err; | |||||
err = i2c_write(addr); | |||||
if (err) return err; | |||||
for (uint8_t i = 0; i < len; ++i) { | |||||
err = i2c_write(data[i]); | |||||
if (err) return err; | |||||
} | |||||
i2c_stop(); | |||||
return 0; | |||||
} | |||||
void i2c_slave_write(uint8_t addr, uint8_t data) { | |||||
i2c_slave_buffer[addr] = data; | |||||
} | |||||
uint8_t i2c_slave_read(uint8_t addr) { | |||||
return i2c_slave_buffer[addr]; | |||||
} | |||||
// 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_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_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_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_read(uint8_t ack) { | |||||
TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA); | |||||
i2c_delay(); | |||||
return TWDR; | |||||
} | |||||
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); | |||||
} |
#ifndef I2C_H | |||||
#define I2C_H | |||||
#include <stdint.h> | |||||
#define SLAVE_BUFFER_SIZE 0x40 | |||||
// i2c SCL clock frequency | |||||
#define SCL_CLOCK 100000L | |||||
void i2c_master_init(void); | |||||
void i2c_slave_init(uint8_t address); | |||||
bool i2c_master_write(uint8_t i2c_device_addr, uint8_t addr, uint8_t *dest, uint8_t len); | |||||
bool i2c_master_read(uint8_t i2c_device_addr, uint8_t addr, uint8_t *data, uint8_t len); | |||||
void i2c_slave_write(uint8_t addr, uint8_t data); | |||||
uint8_t i2c_slave_read(uint8_t addr); | |||||
#endif |
/* | |||||
Copyright 2012 Jun Wako <[email protected]> | |||||
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/>. | |||||
*/ | |||||
#include <avr/io.h> | |||||
#include "stdint.h" | |||||
#include "led.h" | |||||
void led_set(uint8_t usb_led) | |||||
{ | |||||
} |
/* | |||||
Copyright 2012 Jun Wako <[email protected]> | |||||
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 <avr/wdt.h> | |||||
#include <avr/interrupt.h> | |||||
#include <util/delay.h> | |||||
#include "print.h" | |||||
#include "debug.h" | |||||
#include "util.h" | |||||
#include "timer.h" | |||||
#include "matrix.h" | |||||
#include "i2c.h" | |||||
#include "serial.h" | |||||
#include "split-util.h" | |||||
#include "pro-micro.h" | |||||
#include "config.h" | |||||
#include "pin_defs.h" | |||||
#ifndef DEBOUNCE | |||||
# define DEBOUNCE 5 | |||||
#endif | |||||
#define ERROR_DISCONNECT_COUNT 5 | |||||
#define I2C_MATRIX_ADDR 0x00 | |||||
#define I2C_LED_ADDR ROWS_PER_HAND | |||||
static uint8_t debouncing = DEBOUNCE; | |||||
static uint8_t error_count = 0; | |||||
/* matrix state(1:on, 0:off) */ | |||||
static matrix_row_t matrix[MATRIX_ROWS]; | |||||
static matrix_row_t matrix_debouncing[MATRIX_ROWS]; | |||||
static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; | |||||
static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; | |||||
static matrix_row_t read_cols(void); | |||||
static void init_cols(void); | |||||
static void unselect_rows(void); | |||||
static void select_row(uint8_t row); | |||||
inline | |||||
uint8_t matrix_rows(void) | |||||
{ | |||||
return MATRIX_ROWS; | |||||
} | |||||
inline | |||||
uint8_t matrix_cols(void) | |||||
{ | |||||
return MATRIX_COLS; | |||||
} | |||||
void matrix_init(void) | |||||
{ | |||||
// To use PORTF disable JTAG with writing JTD bit twice within four cycles. | |||||
MCUCR |= (1<<JTD); | |||||
MCUCR |= (1<<JTD); | |||||
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; | |||||
} | |||||
} | |||||
uint8_t _matrix_scan(void) | |||||
{ | |||||
// Right hand is stored after the left in the matirx 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; | |||||
} | |||||
// Get rows from other half over i2c | |||||
int i2c_transaction(void) { | |||||
bool err = false; | |||||
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; | |||||
err = i2c_master_read( | |||||
SLAVE_I2C_ADDRESS, // i2c address of other half | |||||
I2C_MATRIX_ADDR, // read the slaves matrix data | |||||
matrix+slaveOffset, // store in correct position in master's matrix | |||||
ROWS_PER_HAND // number of bytes to read | |||||
); | |||||
#ifdef I2C_WRITE_TEST_CODE | |||||
// controls the RX led on the slave and toggles it every second | |||||
uint8_t test_data = (timer_read() / 1000) % 2; | |||||
err |= i2c_master_write( | |||||
SLAVE_I2C_ADDRESS, // i2c address of other half | |||||
I2C_LED_ADDR, // address for led control | |||||
&test_data, // data to send | |||||
sizeof(test_data) // size of test data | |||||
); | |||||
#endif | |||||
return err; | |||||
} | |||||
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; | |||||
} | |||||
uint8_t matrix_scan(void) | |||||
{ | |||||
int ret = _matrix_scan(); | |||||
#ifdef USE_I2C | |||||
if( i2c_transaction() ) { | |||||
#else | |||||
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; | |||||
} | |||||
return ret; | |||||
} | |||||
void matrix_slave_scan(void) { | |||||
_matrix_scan(); | |||||
int offset = (isLeftHand) ? 0 : (MATRIX_ROWS / 2); | |||||
#ifdef USE_I2C | |||||
for (int i = 0; i < ROWS_PER_HAND; ++i) { | |||||
i2c_slave_write(I2C_MATRIX_ADDR+i, matrix[offset+i]); | |||||
} | |||||
#ifdef I2C_WRITE_TEST_CODE | |||||
// control the pro micro RX LED based on what the | |||||
// i2c master has sent us | |||||
uint8_t led_state = i2c_slave_read(I2C_LED_ADDR); | |||||
if (led_state == 1) { | |||||
RXLED1; | |||||
} else if(led_state == 0) { | |||||
RXLED0; | |||||
} | |||||
#endif | |||||
#else | |||||
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); | |||||
} |
#ifndef PIN_DEFS_H | |||||
#define PIN_DEFS_H | |||||
/* diode directions */ | |||||
#define COL2ROW 0 | |||||
#define ROW2COL 1 | |||||
/* I/O pins */ | |||||
#define B0 0x30 | |||||
#define B1 0x31 | |||||
#define B2 0x32 | |||||
#define B3 0x33 | |||||
#define B4 0x34 | |||||
#define B5 0x35 | |||||
#define B6 0x36 | |||||
#define B7 0x37 | |||||
#define C0 0x60 | |||||
#define C1 0x61 | |||||
#define C2 0x62 | |||||
#define C3 0x63 | |||||
#define C4 0x64 | |||||
#define C5 0x65 | |||||
#define C6 0x66 | |||||
#define C7 0x67 | |||||
#define D0 0x90 | |||||
#define D1 0x91 | |||||
#define D2 0x92 | |||||
#define D3 0x93 | |||||
#define D4 0x94 | |||||
#define D5 0x95 | |||||
#define D6 0x96 | |||||
#define D7 0x97 | |||||
#define E0 0xC0 | |||||
#define E1 0xC1 | |||||
#define E2 0xC2 | |||||
#define E3 0xC3 | |||||
#define E4 0xC4 | |||||
#define E5 0xC5 | |||||
#define E6 0xC6 | |||||
#define E7 0xC7 | |||||
#define F0 0xF0 | |||||
#define F1 0xF1 | |||||
#define F2 0xF2 | |||||
#define F3 0xF3 | |||||
#define F4 0xF4 | |||||
#define F5 0xF5 | |||||
#define F6 0xF6 | |||||
#define F7 0xF7 | |||||
#define A0 0x00 | |||||
#define A1 0x01 | |||||
#define A2 0x02 | |||||
#define A3 0x03 | |||||
#define A4 0x04 | |||||
#define A5 0x05 | |||||
#define A6 0x06 | |||||
#define A7 0x07 | |||||
#endif |
/* | |||||
pins_arduino.h - Pin definition functions for Arduino | |||||
Part of Arduino - http://www.arduino.cc/ | |||||
Copyright (c) 2007 David A. Mellis | |||||
This library is free software; you can redistribute it and/or | |||||
modify it under the terms of the GNU Lesser General Public | |||||
License as published by the Free Software Foundation; either | |||||
version 2.1 of the License, or (at your option) any later version. | |||||
This library 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 | |||||
Lesser General Public License for more details. | |||||
You should have received a copy of the GNU Lesser General | |||||
Public License along with this library; if not, write to the | |||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, | |||||
Boston, MA 02111-1307 USA | |||||
$Id: wiring.h 249 2007-02-03 16:52:51Z mellis $ | |||||
*/ | |||||
#ifndef Pins_Arduino_h | |||||
#define Pins_Arduino_h | |||||
#include <avr/pgmspace.h> | |||||
// Workaround for wrong definitions in "iom32u4.h". | |||||
// This should be fixed in the AVR toolchain. | |||||
#undef UHCON | |||||
#undef UHINT | |||||
#undef UHIEN | |||||
#undef UHADDR | |||||
#undef UHFNUM | |||||
#undef UHFNUML | |||||
#undef UHFNUMH | |||||
#undef UHFLEN | |||||
#undef UPINRQX | |||||
#undef UPINTX | |||||
#undef UPNUM | |||||
#undef UPRST | |||||
#undef UPCONX | |||||
#undef UPCFG0X | |||||
#undef UPCFG1X | |||||
#undef UPSTAX | |||||
#undef UPCFG2X | |||||
#undef UPIENX | |||||
#undef UPDATX | |||||
#undef TCCR2A | |||||
#undef WGM20 | |||||
#undef WGM21 | |||||
#undef COM2B0 | |||||
#undef COM2B1 | |||||
#undef COM2A0 | |||||
#undef COM2A1 | |||||
#undef TCCR2B | |||||
#undef CS20 | |||||
#undef CS21 | |||||
#undef CS22 | |||||
#undef WGM22 | |||||
#undef FOC2B | |||||
#undef FOC2A | |||||
#undef TCNT2 | |||||
#undef TCNT2_0 | |||||
#undef TCNT2_1 | |||||
#undef TCNT2_2 | |||||
#undef TCNT2_3 | |||||
#undef TCNT2_4 | |||||
#undef TCNT2_5 | |||||
#undef TCNT2_6 | |||||
#undef TCNT2_7 | |||||
#undef OCR2A | |||||
#undef OCR2_0 | |||||
#undef OCR2_1 | |||||
#undef OCR2_2 | |||||
#undef OCR2_3 | |||||
#undef OCR2_4 | |||||
#undef OCR2_5 | |||||
#undef OCR2_6 | |||||
#undef OCR2_7 | |||||
#undef OCR2B | |||||
#undef OCR2_0 | |||||
#undef OCR2_1 | |||||
#undef OCR2_2 | |||||
#undef OCR2_3 | |||||
#undef OCR2_4 | |||||
#undef OCR2_5 | |||||
#undef OCR2_6 | |||||
#undef OCR2_7 | |||||
#define NUM_DIGITAL_PINS 30 | |||||
#define NUM_ANALOG_INPUTS 12 | |||||
#define TX_RX_LED_INIT DDRD |= (1<<5), DDRB |= (1<<0) | |||||
#define TXLED0 PORTD |= (1<<5) | |||||
#define TXLED1 PORTD &= ~(1<<5) | |||||
#define RXLED0 PORTB |= (1<<0) | |||||
#define RXLED1 PORTB &= ~(1<<0) | |||||
static const uint8_t SDA = 2; | |||||
static const uint8_t SCL = 3; | |||||
#define LED_BUILTIN 13 | |||||
// Map SPI port to 'new' pins D14..D17 | |||||
static const uint8_t SS = 17; | |||||
static const uint8_t MOSI = 16; | |||||
static const uint8_t MISO = 14; | |||||
static const uint8_t SCK = 15; | |||||
// Mapping of analog pins as digital I/O | |||||
// A6-A11 share with digital pins | |||||
static const uint8_t A0 = 18; | |||||
static const uint8_t A1 = 19; | |||||
static const uint8_t A2 = 20; | |||||
static const uint8_t A3 = 21; | |||||
static const uint8_t A4 = 22; | |||||
static const uint8_t A5 = 23; | |||||
static const uint8_t A6 = 24; // D4 | |||||
static const uint8_t A7 = 25; // D6 | |||||
static const uint8_t A8 = 26; // D8 | |||||
static const uint8_t A9 = 27; // D9 | |||||
static const uint8_t A10 = 28; // D10 | |||||
static const uint8_t A11 = 29; // D12 | |||||
#define digitalPinToPCICR(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0)) | |||||
#define digitalPinToPCICRbit(p) 0 | |||||
#define digitalPinToPCMSK(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCMSK0) : ((uint8_t *)0)) | |||||
#define digitalPinToPCMSKbit(p) ( ((p) >= 8 && (p) <= 11) ? (p) - 4 : ((p) == 14 ? 3 : ((p) == 15 ? 1 : ((p) == 16 ? 2 : ((p) == 17 ? 0 : (p - A8 + 4)))))) | |||||
// __AVR_ATmega32U4__ has an unusual mapping of pins to channels | |||||
extern const uint8_t PROGMEM analog_pin_to_channel_PGM[]; | |||||
#define analogPinToChannel(P) ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) ) | |||||
#define digitalPinToInterrupt(p) ((p) == 0 ? 2 : ((p) == 1 ? 3 : ((p) == 2 ? 1 : ((p) == 3 ? 0 : ((p) == 7 ? 4 : NOT_AN_INTERRUPT))))) | |||||
#ifdef ARDUINO_MAIN | |||||
// On the Arduino board, digital pins are also used | |||||
// for the analog output (software PWM). Analog input | |||||
// pins are a separate set. | |||||
// ATMEL ATMEGA32U4 / ARDUINO LEONARDO | |||||
// | |||||
// D0 PD2 RXD1/INT2 | |||||
// D1 PD3 TXD1/INT3 | |||||
// D2 PD1 SDA SDA/INT1 | |||||
// D3# PD0 PWM8/SCL OC0B/SCL/INT0 | |||||
// D4 A6 PD4 ADC8 | |||||
// D5# PC6 ??? OC3A/#OC4A | |||||
// D6# A7 PD7 FastPWM #OC4D/ADC10 | |||||
// D7 PE6 INT6/AIN0 | |||||
// | |||||
// D8 A8 PB4 ADC11/PCINT4 | |||||
// D9# A9 PB5 PWM16 OC1A/#OC4B/ADC12/PCINT5 | |||||
// D10# A10 PB6 PWM16 OC1B/0c4B/ADC13/PCINT6 | |||||
// D11# PB7 PWM8/16 0C0A/OC1C/#RTS/PCINT7 | |||||
// D12 A11 PD6 T1/#OC4D/ADC9 | |||||
// D13# PC7 PWM10 CLK0/OC4A | |||||
// | |||||
// A0 D18 PF7 ADC7 | |||||
// A1 D19 PF6 ADC6 | |||||
// A2 D20 PF5 ADC5 | |||||
// A3 D21 PF4 ADC4 | |||||
// A4 D22 PF1 ADC1 | |||||
// A5 D23 PF0 ADC0 | |||||
// | |||||
// New pins D14..D17 to map SPI port to digital pins | |||||
// | |||||
// MISO D14 PB3 MISO,PCINT3 | |||||
// SCK D15 PB1 SCK,PCINT1 | |||||
// MOSI D16 PB2 MOSI,PCINT2 | |||||
// SS D17 PB0 RXLED,SS/PCINT0 | |||||
// | |||||
// Connected LEDs on board for TX and RX | |||||
// TXLED D24 PD5 XCK1 | |||||
// RXLED D17 PB0 | |||||
// HWB PE2 HWB | |||||
// these arrays map port names (e.g. port B) to the | |||||
// appropriate addresses for various functions (e.g. reading | |||||
// and writing) | |||||
const uint16_t PROGMEM port_to_mode_PGM[] = { | |||||
NOT_A_PORT, | |||||
NOT_A_PORT, | |||||
(uint16_t) &DDRB, | |||||
(uint16_t) &DDRC, | |||||
(uint16_t) &DDRD, | |||||
(uint16_t) &DDRE, | |||||
(uint16_t) &DDRF, | |||||
}; | |||||
const uint16_t PROGMEM port_to_output_PGM[] = { | |||||
NOT_A_PORT, | |||||
NOT_A_PORT, | |||||
(uint16_t) &PORTB, | |||||
(uint16_t) &PORTC, | |||||
(uint16_t) &PORTD, | |||||
(uint16_t) &PORTE, | |||||
(uint16_t) &PORTF, | |||||
}; | |||||
const uint16_t PROGMEM port_to_input_PGM[] = { | |||||
NOT_A_PORT, | |||||
NOT_A_PORT, | |||||
(uint16_t) &PINB, | |||||
(uint16_t) &PINC, | |||||
(uint16_t) &PIND, | |||||
(uint16_t) &PINE, | |||||
(uint16_t) &PINF, | |||||
}; | |||||
const uint8_t PROGMEM digital_pin_to_port_PGM[] = { | |||||
PD, // D0 - PD2 | |||||
PD, // D1 - PD3 | |||||
PD, // D2 - PD1 | |||||
PD, // D3 - PD0 | |||||
PD, // D4 - PD4 | |||||
PC, // D5 - PC6 | |||||
PD, // D6 - PD7 | |||||
PE, // D7 - PE6 | |||||
PB, // D8 - PB4 | |||||
PB, // D9 - PB5 | |||||
PB, // D10 - PB6 | |||||
PB, // D11 - PB7 | |||||
PD, // D12 - PD6 | |||||
PC, // D13 - PC7 | |||||
PB, // D14 - MISO - PB3 | |||||
PB, // D15 - SCK - PB1 | |||||
PB, // D16 - MOSI - PB2 | |||||
PB, // D17 - SS - PB0 | |||||
PF, // D18 - A0 - PF7 | |||||
PF, // D19 - A1 - PF6 | |||||
PF, // D20 - A2 - PF5 | |||||
PF, // D21 - A3 - PF4 | |||||
PF, // D22 - A4 - PF1 | |||||
PF, // D23 - A5 - PF0 | |||||
PD, // D24 - PD5 | |||||
PD, // D25 / D6 - A7 - PD7 | |||||
PB, // D26 / D8 - A8 - PB4 | |||||
PB, // D27 / D9 - A9 - PB5 | |||||
PB, // D28 / D10 - A10 - PB6 | |||||
PD, // D29 / D12 - A11 - PD6 | |||||
}; | |||||
const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = { | |||||
_BV(2), // D0 - PD2 | |||||
_BV(3), // D1 - PD3 | |||||
_BV(1), // D2 - PD1 | |||||
_BV(0), // D3 - PD0 | |||||
_BV(4), // D4 - PD4 | |||||
_BV(6), // D5 - PC6 | |||||
_BV(7), // D6 - PD7 | |||||
_BV(6), // D7 - PE6 | |||||
_BV(4), // D8 - PB4 | |||||
_BV(5), // D9 - PB5 | |||||
_BV(6), // D10 - PB6 | |||||
_BV(7), // D11 - PB7 | |||||
_BV(6), // D12 - PD6 | |||||
_BV(7), // D13 - PC7 | |||||
_BV(3), // D14 - MISO - PB3 | |||||
_BV(1), // D15 - SCK - PB1 | |||||
_BV(2), // D16 - MOSI - PB2 | |||||
_BV(0), // D17 - SS - PB0 | |||||
_BV(7), // D18 - A0 - PF7 | |||||
_BV(6), // D19 - A1 - PF6 | |||||
_BV(5), // D20 - A2 - PF5 | |||||
_BV(4), // D21 - A3 - PF4 | |||||
_BV(1), // D22 - A4 - PF1 | |||||
_BV(0), // D23 - A5 - PF0 | |||||
_BV(5), // D24 - PD5 | |||||
_BV(7), // D25 / D6 - A7 - PD7 | |||||
_BV(4), // D26 / D8 - A8 - PB4 | |||||
_BV(5), // D27 / D9 - A9 - PB5 | |||||
_BV(6), // D28 / D10 - A10 - PB6 | |||||
_BV(6), // D29 / D12 - A11 - PD6 | |||||
}; | |||||
const uint8_t PROGMEM digital_pin_to_timer_PGM[] = { | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
TIMER0B, /* 3 */ | |||||
NOT_ON_TIMER, | |||||
TIMER3A, /* 5 */ | |||||
TIMER4D, /* 6 */ | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
TIMER1A, /* 9 */ | |||||
TIMER1B, /* 10 */ | |||||
TIMER0A, /* 11 */ | |||||
NOT_ON_TIMER, | |||||
TIMER4A, /* 13 */ | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
NOT_ON_TIMER, | |||||
}; | |||||
const uint8_t PROGMEM analog_pin_to_channel_PGM[] = { | |||||
7, // A0 PF7 ADC7 | |||||
6, // A1 PF6 ADC6 | |||||
5, // A2 PF5 ADC5 | |||||
4, // A3 PF4 ADC4 | |||||
1, // A4 PF1 ADC1 | |||||
0, // A5 PF0 ADC0 | |||||
8, // A6 D4 PD4 ADC8 | |||||
10, // A7 D6 PD7 ADC10 | |||||
11, // A8 D8 PB4 ADC11 | |||||
12, // A9 D9 PB5 ADC12 | |||||
13, // A10 D10 PB6 ADC13 | |||||
9 // A11 D12 PD6 ADC9 | |||||
}; | |||||
#endif /* ARDUINO_MAIN */ | |||||
// These serial port names are intended to allow libraries and architecture-neutral | |||||
// sketches to automatically default to the correct port name for a particular type | |||||
// of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN, | |||||
// the first hardware serial port whose RX/TX pins are not dedicated to another use. | |||||
// | |||||
// SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor | |||||
// | |||||
// SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial | |||||
// | |||||
// SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library | |||||
// | |||||
// SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins. | |||||
// | |||||
// SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX | |||||
// pins are NOT connected to anything by default. | |||||
#define SERIAL_PORT_MONITOR Serial | |||||
#define SERIAL_PORT_USBVIRTUAL Serial | |||||
#define SERIAL_PORT_HARDWARE Serial1 | |||||
#define SERIAL_PORT_HARDWARE_OPEN Serial1 | |||||
#endif /* Pins_Arduino_h */ |
/* | |||||
* 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" | |||||
// 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; | |||||
} |
#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 |
#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 "i2c.h" | |||||
#include "serial.h" | |||||
#include "keyboard.h" | |||||
#include "config.h" | |||||
volatile bool isLeftHand = true; | |||||
static void setup_handedness(void) { | |||||
isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS); | |||||
} | |||||
static void keyboard_master_setup(void) { | |||||
#ifdef USE_I2C | |||||
i2c_master_init(); | |||||
#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(); | |||||
} | |||||
} |
#ifndef SPLIT_KEYBOARD_UTIL_H | |||||
#define SPLIT_KEYBOARD_UTIL_H | |||||
#include <stdbool.h> | |||||
#define EECONFIG_BOOTMAGIC_END (uint8_t *)7 | |||||
#define EECONFIG_HANDEDNESS EECONFIG_BOOTMAGIC_END | |||||
#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); | |||||
#endif |
/* Name: usbconfig.h | |||||
* Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | |||||
* Author: Christian Starkjohann | |||||
* Creation Date: 2005-04-01 | |||||
* Tabsize: 4 | |||||
* Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH | |||||
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | |||||
* This Revision: $Id: usbconfig-prototype.h 785 2010-05-30 17:57:07Z cs $ | |||||
*/ | |||||
#ifndef __usbconfig_h_included__ | |||||
#define __usbconfig_h_included__ | |||||
/* | |||||
General Description: | |||||
This file is an example configuration (with inline documentation) for the USB | |||||
driver. It configures V-USB for USB D+ connected to Port D bit 2 (which is | |||||
also hardware interrupt 0 on many devices) and USB D- to Port D bit 4. You may | |||||
wire the lines to any other port, as long as D+ is also wired to INT0 (or any | |||||
other hardware interrupt, as long as it is the highest level interrupt, see | |||||
section at the end of this file). | |||||
*/ | |||||
/* ---------------------------- Hardware Config ---------------------------- */ | |||||
#define USB_CFG_IOPORTNAME D | |||||
/* This is the port where the USB bus is connected. When you configure it to | |||||
* "B", the registers PORTB, PINB and DDRB will be used. | |||||
*/ | |||||
#define USB_CFG_DMINUS_BIT 3 | |||||
/* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected. | |||||
* This may be any bit in the port. | |||||
*/ | |||||
#define USB_CFG_DPLUS_BIT 2 | |||||
/* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected. | |||||
* This may be any bit in the port. Please note that D+ must also be connected | |||||
* to interrupt pin INT0! [You can also use other interrupts, see section | |||||
* "Optional MCU Description" below, or you can connect D- to the interrupt, as | |||||
* it is required if you use the USB_COUNT_SOF feature. If you use D- for the | |||||
* interrupt, the USB interrupt will also be triggered at Start-Of-Frame | |||||
* markers every millisecond.] | |||||
*/ | |||||
#define USB_CFG_CLOCK_KHZ (F_CPU/1000) | |||||
/* Clock rate of the AVR in kHz. Legal values are 12000, 12800, 15000, 16000, | |||||
* 16500, 18000 and 20000. The 12.8 MHz and 16.5 MHz versions of the code | |||||
* require no crystal, they tolerate +/- 1% deviation from the nominal | |||||
* frequency. All other rates require a precision of 2000 ppm and thus a | |||||
* crystal! | |||||
* Since F_CPU should be defined to your actual clock rate anyway, you should | |||||
* not need to modify this setting. | |||||
*/ | |||||
#define USB_CFG_CHECK_CRC 0 | |||||
/* Define this to 1 if you want that the driver checks integrity of incoming | |||||
* data packets (CRC checks). CRC checks cost quite a bit of code size and are | |||||
* currently only available for 18 MHz crystal clock. You must choose | |||||
* USB_CFG_CLOCK_KHZ = 18000 if you enable this option. | |||||
*/ | |||||
/* ----------------------- Optional Hardware Config ------------------------ */ | |||||
/* #define USB_CFG_PULLUP_IOPORTNAME D */ | |||||
/* If you connect the 1.5k pullup resistor from D- to a port pin instead of | |||||
* V+, you can connect and disconnect the device from firmware by calling | |||||
* the macros usbDeviceConnect() and usbDeviceDisconnect() (see usbdrv.h). | |||||
* This constant defines the port on which the pullup resistor is connected. | |||||
*/ | |||||
/* #define USB_CFG_PULLUP_BIT 4 */ | |||||
/* This constant defines the bit number in USB_CFG_PULLUP_IOPORT (defined | |||||
* above) where the 1.5k pullup resistor is connected. See description | |||||
* above for details. | |||||
*/ | |||||
/* --------------------------- Functional Range ---------------------------- */ | |||||
#define USB_CFG_HAVE_INTRIN_ENDPOINT 1 | |||||
/* Define this to 1 if you want to compile a version with two endpoints: The | |||||
* default control endpoint 0 and an interrupt-in endpoint (any other endpoint | |||||
* number). | |||||
*/ | |||||
#define USB_CFG_HAVE_INTRIN_ENDPOINT3 1 | |||||
/* Define this to 1 if you want to compile a version with three endpoints: The | |||||
* default control endpoint 0, an interrupt-in endpoint 3 (or the number | |||||
* configured below) and a catch-all default interrupt-in endpoint as above. | |||||
* You must also define USB_CFG_HAVE_INTRIN_ENDPOINT to 1 for this feature. | |||||
*/ | |||||
#define USB_CFG_EP3_NUMBER 3 | |||||
/* If the so-called endpoint 3 is used, it can now be configured to any other | |||||
* endpoint number (except 0) with this macro. Default if undefined is 3. | |||||
*/ | |||||
/* #define USB_INITIAL_DATATOKEN USBPID_DATA1 */ | |||||
/* The above macro defines the startup condition for data toggling on the | |||||
* interrupt/bulk endpoints 1 and 3. Defaults to USBPID_DATA1. | |||||
* Since the token is toggled BEFORE sending any data, the first packet is | |||||
* sent with the oposite value of this configuration! | |||||
*/ | |||||
#define USB_CFG_IMPLEMENT_HALT 0 | |||||
/* Define this to 1 if you also want to implement the ENDPOINT_HALT feature | |||||
* for endpoint 1 (interrupt endpoint). Although you may not need this feature, | |||||
* it is required by the standard. We have made it a config option because it | |||||
* bloats the code considerably. | |||||
*/ | |||||
#define USB_CFG_SUPPRESS_INTR_CODE 0 | |||||
/* Define this to 1 if you want to declare interrupt-in endpoints, but don't | |||||
* want to send any data over them. If this macro is defined to 1, functions | |||||
* usbSetInterrupt() and usbSetInterrupt3() are omitted. This is useful if | |||||
* you need the interrupt-in endpoints in order to comply to an interface | |||||
* (e.g. HID), but never want to send any data. This option saves a couple | |||||
* of bytes in flash memory and the transmit buffers in RAM. | |||||
*/ | |||||
#define USB_CFG_INTR_POLL_INTERVAL 10 | |||||
/* If you compile a version with endpoint 1 (interrupt-in), this is the poll | |||||
* interval. The value is in milliseconds and must not be less than 10 ms for | |||||
* low speed devices. | |||||
*/ | |||||
#define USB_CFG_IS_SELF_POWERED 0 | |||||
/* Define this to 1 if the device has its own power supply. Set it to 0 if the | |||||
* device is powered from the USB bus. | |||||
*/ | |||||
#define USB_CFG_MAX_BUS_POWER 100 | |||||
/* Set this variable to the maximum USB bus power consumption of your device. | |||||
* The value is in milliamperes. [It will be divided by two since USB | |||||
* communicates power requirements in units of 2 mA.] | |||||
*/ | |||||
#define USB_CFG_IMPLEMENT_FN_WRITE 1 | |||||
/* Set this to 1 if you want usbFunctionWrite() to be called for control-out | |||||
* transfers. Set it to 0 if you don't need it and want to save a couple of | |||||
* bytes. | |||||
*/ | |||||
#define USB_CFG_IMPLEMENT_FN_READ 0 | |||||
/* Set this to 1 if you need to send control replies which are generated | |||||
* "on the fly" when usbFunctionRead() is called. If you only want to send | |||||
* data from a static buffer, set it to 0 and return the data from | |||||
* usbFunctionSetup(). This saves a couple of bytes. | |||||
*/ | |||||
#define USB_CFG_IMPLEMENT_FN_WRITEOUT 0 | |||||
/* Define this to 1 if you want to use interrupt-out (or bulk out) endpoints. | |||||
* You must implement the function usbFunctionWriteOut() which receives all | |||||
* interrupt/bulk data sent to any endpoint other than 0. The endpoint number | |||||
* can be found in 'usbRxToken'. | |||||
*/ | |||||
#define USB_CFG_HAVE_FLOWCONTROL 0 | |||||
/* Define this to 1 if you want flowcontrol over USB data. See the definition | |||||
* of the macros usbDisableAllRequests() and usbEnableAllRequests() in | |||||
* usbdrv.h. | |||||
*/ | |||||
#define USB_CFG_DRIVER_FLASH_PAGE 0 | |||||
/* If the device has more than 64 kBytes of flash, define this to the 64 k page | |||||
* where the driver's constants (descriptors) are located. Or in other words: | |||||
* Define this to 1 for boot loaders on the ATMega128. | |||||
*/ | |||||
#define USB_CFG_LONG_TRANSFERS 0 | |||||
/* Define this to 1 if you want to send/receive blocks of more than 254 bytes | |||||
* in a single control-in or control-out transfer. Note that the capability | |||||
* for long transfers increases the driver size. | |||||
*/ | |||||
/* #define USB_RX_USER_HOOK(data, len) if(usbRxToken == (uchar)USBPID_SETUP) blinkLED(); */ | |||||
/* This macro is a hook if you want to do unconventional things. If it is | |||||
* defined, it's inserted at the beginning of received message processing. | |||||
* If you eat the received message and don't want default processing to | |||||
* proceed, do a return after doing your things. One possible application | |||||
* (besides debugging) is to flash a status LED on each packet. | |||||
*/ | |||||
/* #define USB_RESET_HOOK(resetStarts) if(!resetStarts){hadUsbReset();} */ | |||||
/* This macro is a hook if you need to know when an USB RESET occurs. It has | |||||
* one parameter which distinguishes between the start of RESET state and its | |||||
* end. | |||||
*/ | |||||
/* #define USB_SET_ADDRESS_HOOK() hadAddressAssigned(); */ | |||||
/* This macro (if defined) is executed when a USB SET_ADDRESS request was | |||||
* received. | |||||
*/ | |||||
#define USB_COUNT_SOF 0 | |||||
/* define this macro to 1 if you need the global variable "usbSofCount" which | |||||
* counts SOF packets. This feature requires that the hardware interrupt is | |||||
* connected to D- instead of D+. | |||||
*/ | |||||
/* #ifdef __ASSEMBLER__ | |||||
* macro myAssemblerMacro | |||||
* in YL, TCNT0 | |||||
* sts timer0Snapshot, YL | |||||
* endm | |||||
* #endif | |||||
* #define USB_SOF_HOOK myAssemblerMacro | |||||
* This macro (if defined) is executed in the assembler module when a | |||||
* Start Of Frame condition is detected. It is recommended to define it to | |||||
* the name of an assembler macro which is defined here as well so that more | |||||
* than one assembler instruction can be used. The macro may use the register | |||||
* YL and modify SREG. If it lasts longer than a couple of cycles, USB messages | |||||
* immediately after an SOF pulse may be lost and must be retried by the host. | |||||
* What can you do with this hook? Since the SOF signal occurs exactly every | |||||
* 1 ms (unless the host is in sleep mode), you can use it to tune OSCCAL in | |||||
* designs running on the internal RC oscillator. | |||||
* Please note that Start Of Frame detection works only if D- is wired to the | |||||
* interrupt, not D+. THIS IS DIFFERENT THAN MOST EXAMPLES! | |||||
*/ | |||||
#define USB_CFG_CHECK_DATA_TOGGLING 0 | |||||
/* define this macro to 1 if you want to filter out duplicate data packets | |||||
* sent by the host. Duplicates occur only as a consequence of communication | |||||
* errors, when the host does not receive an ACK. Please note that you need to | |||||
* implement the filtering yourself in usbFunctionWriteOut() and | |||||
* usbFunctionWrite(). Use the global usbCurrentDataToken and a static variable | |||||
* for each control- and out-endpoint to check for duplicate packets. | |||||
*/ | |||||
#define USB_CFG_HAVE_MEASURE_FRAME_LENGTH 0 | |||||
/* define this macro to 1 if you want the function usbMeasureFrameLength() | |||||
* compiled in. This function can be used to calibrate the AVR's RC oscillator. | |||||
*/ | |||||
#define USB_USE_FAST_CRC 0 | |||||
/* The assembler module has two implementations for the CRC algorithm. One is | |||||
* faster, the other is smaller. This CRC routine is only used for transmitted | |||||
* messages where timing is not critical. The faster routine needs 31 cycles | |||||
* per byte while the smaller one needs 61 to 69 cycles. The faster routine | |||||
* may be worth the 32 bytes bigger code size if you transmit lots of data and | |||||
* run the AVR close to its limit. | |||||
*/ | |||||
/* -------------------------- Device Description --------------------------- */ | |||||
#define USB_CFG_VENDOR_ID (VENDOR_ID & 0xFF), ((VENDOR_ID >> 8) & 0xFF) | |||||
/* USB vendor ID for the device, low byte first. If you have registered your | |||||
* own Vendor ID, define it here. Otherwise you may use one of obdev's free | |||||
* shared VID/PID pairs. Be sure to read USB-IDs-for-free.txt for rules! | |||||
* *** IMPORTANT NOTE *** | |||||
* This template uses obdev's shared VID/PID pair for Vendor Class devices | |||||
* with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand | |||||
* the implications! | |||||
*/ | |||||
#define USB_CFG_DEVICE_ID (PRODUCT_ID & 0xFF), ((PRODUCT_ID >> 8) & 0xFF) | |||||
/* This is the ID of the product, low byte first. It is interpreted in the | |||||
* scope of the vendor ID. If you have registered your own VID with usb.org | |||||
* or if you have licensed a PID from somebody else, define it here. Otherwise | |||||
* you may use one of obdev's free shared VID/PID pairs. See the file | |||||
* USB-IDs-for-free.txt for details! | |||||
* *** IMPORTANT NOTE *** | |||||
* This template uses obdev's shared VID/PID pair for Vendor Class devices | |||||
* with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand | |||||
* the implications! | |||||
*/ | |||||
#define USB_CFG_DEVICE_VERSION 0x00, 0x01 | |||||
/* Version number of the device: Minor number first, then major number. | |||||
*/ | |||||
#define USB_CFG_VENDOR_NAME 't', '.', 'm', '.', 'k', '.' | |||||
#define USB_CFG_VENDOR_NAME_LEN 6 | |||||
/* These two values define the vendor name returned by the USB device. The name | |||||
* must be given as a list of characters under single quotes. The characters | |||||
* are interpreted as Unicode (UTF-16) entities. | |||||
* If you don't want a vendor name string, undefine these macros. | |||||
* ALWAYS define a vendor name containing your Internet domain name if you use | |||||
* obdev's free shared VID/PID pair. See the file USB-IDs-for-free.txt for | |||||
* details. | |||||
*/ | |||||
#define USB_CFG_DEVICE_NAME 'P', 'S', '/', '2', ' ', 'k', 'e', 'y', 'b', 'o', 'a', 'r', 'd', ' ', 'c', 'o', 'n', 'v', 'e', 'r', 't', 'e', 'r' | |||||
#define USB_CFG_DEVICE_NAME_LEN 23 | |||||
/* Same as above for the device name. If you don't want a device name, undefine | |||||
* the macros. See the file USB-IDs-for-free.txt before you assign a name if | |||||
* you use a shared VID/PID. | |||||
*/ | |||||
/*#define USB_CFG_SERIAL_NUMBER 'N', 'o', 'n', 'e' */ | |||||
/*#define USB_CFG_SERIAL_NUMBER_LEN 0 */ | |||||
/* Same as above for the serial number. If you don't want a serial number, | |||||
* undefine the macros. | |||||
* It may be useful to provide the serial number through other means than at | |||||
* compile time. See the section about descriptor properties below for how | |||||
* to fine tune control over USB descriptors such as the string descriptor | |||||
* for the serial number. | |||||
*/ | |||||
#define USB_CFG_DEVICE_CLASS 0 | |||||
#define USB_CFG_DEVICE_SUBCLASS 0 | |||||
/* See USB specification if you want to conform to an existing device class. | |||||
* Class 0xff is "vendor specific". | |||||
*/ | |||||
#define USB_CFG_INTERFACE_CLASS 3 /* HID */ | |||||
#define USB_CFG_INTERFACE_SUBCLASS 1 /* Boot */ | |||||
#define USB_CFG_INTERFACE_PROTOCOL 1 /* Keyboard */ | |||||
/* See USB specification if you want to conform to an existing device class or | |||||
* protocol. The following classes must be set at interface level: | |||||
* HID class is 3, no subclass and protocol required (but may be useful!) | |||||
* CDC class is 2, use subclass 2 and protocol 1 for ACM | |||||
*/ | |||||
#define USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH 0 | |||||
/* Define this to the length of the HID report descriptor, if you implement | |||||
* an HID device. Otherwise don't define it or define it to 0. | |||||
* If you use this define, you must add a PROGMEM character array named | |||||
* "usbHidReportDescriptor" to your code which contains the report descriptor. | |||||
* Don't forget to keep the array and this define in sync! | |||||
*/ | |||||
/* #define USB_PUBLIC static */ | |||||
/* Use the define above if you #include usbdrv.c instead of linking against it. | |||||
* This technique saves a couple of bytes in flash memory. | |||||
*/ | |||||
/* ------------------- Fine Control over USB Descriptors ------------------- */ | |||||
/* If you don't want to use the driver's default USB descriptors, you can | |||||
* provide our own. These can be provided as (1) fixed length static data in | |||||
* flash memory, (2) fixed length static data in RAM or (3) dynamically at | |||||
* runtime in the function usbFunctionDescriptor(). See usbdrv.h for more | |||||
* information about this function. | |||||
* Descriptor handling is configured through the descriptor's properties. If | |||||
* no properties are defined or if they are 0, the default descriptor is used. | |||||
* Possible properties are: | |||||
* + USB_PROP_IS_DYNAMIC: The data for the descriptor should be fetched | |||||
* at runtime via usbFunctionDescriptor(). If the usbMsgPtr mechanism is | |||||
* used, the data is in FLASH by default. Add property USB_PROP_IS_RAM if | |||||
* you want RAM pointers. | |||||
* + USB_PROP_IS_RAM: The data returned by usbFunctionDescriptor() or found | |||||
* in static memory is in RAM, not in flash memory. | |||||
* + USB_PROP_LENGTH(len): If the data is in static memory (RAM or flash), | |||||
* the driver must know the descriptor's length. The descriptor itself is | |||||
* found at the address of a well known identifier (see below). | |||||
* List of static descriptor names (must be declared PROGMEM if in flash): | |||||
* char usbDescriptorDevice[]; | |||||
* char usbDescriptorConfiguration[]; | |||||
* char usbDescriptorHidReport[]; | |||||
* char usbDescriptorString0[]; | |||||
* int usbDescriptorStringVendor[]; | |||||
* int usbDescriptorStringDevice[]; | |||||
* int usbDescriptorStringSerialNumber[]; | |||||
* Other descriptors can't be provided statically, they must be provided | |||||
* dynamically at runtime. | |||||
* | |||||
* Descriptor properties are or-ed or added together, e.g.: | |||||
* #define USB_CFG_DESCR_PROPS_DEVICE (USB_PROP_IS_RAM | USB_PROP_LENGTH(18)) | |||||
* | |||||
* The following descriptors are defined: | |||||
* USB_CFG_DESCR_PROPS_DEVICE | |||||
* USB_CFG_DESCR_PROPS_CONFIGURATION | |||||
* USB_CFG_DESCR_PROPS_STRINGS | |||||
* USB_CFG_DESCR_PROPS_STRING_0 | |||||
* USB_CFG_DESCR_PROPS_STRING_VENDOR | |||||
* USB_CFG_DESCR_PROPS_STRING_PRODUCT | |||||
* USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER | |||||
* USB_CFG_DESCR_PROPS_HID | |||||
* USB_CFG_DESCR_PROPS_HID_REPORT | |||||
* USB_CFG_DESCR_PROPS_UNKNOWN (for all descriptors not handled by the driver) | |||||
* | |||||
* Note about string descriptors: String descriptors are not just strings, they | |||||
* are Unicode strings prefixed with a 2 byte header. Example: | |||||
* int serialNumberDescriptor[] = { | |||||
* USB_STRING_DESCRIPTOR_HEADER(6), | |||||
* 'S', 'e', 'r', 'i', 'a', 'l' | |||||
* }; | |||||
*/ | |||||
#define USB_CFG_DESCR_PROPS_DEVICE 0 | |||||
#define USB_CFG_DESCR_PROPS_CONFIGURATION USB_PROP_IS_DYNAMIC | |||||
//#define USB_CFG_DESCR_PROPS_CONFIGURATION 0 | |||||
#define USB_CFG_DESCR_PROPS_STRINGS 0 | |||||
#define USB_CFG_DESCR_PROPS_STRING_0 0 | |||||
#define USB_CFG_DESCR_PROPS_STRING_VENDOR 0 | |||||
#define USB_CFG_DESCR_PROPS_STRING_PRODUCT 0 | |||||
#define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER 0 | |||||
//#define USB_CFG_DESCR_PROPS_HID USB_PROP_IS_DYNAMIC | |||||
#define USB_CFG_DESCR_PROPS_HID 0 | |||||
#define USB_CFG_DESCR_PROPS_HID_REPORT USB_PROP_IS_DYNAMIC | |||||
//#define USB_CFG_DESCR_PROPS_HID_REPORT 0 | |||||
#define USB_CFG_DESCR_PROPS_UNKNOWN 0 | |||||
/* ----------------------- Optional MCU Description ------------------------ */ | |||||
/* The following configurations have working defaults in usbdrv.h. You | |||||
* usually don't need to set them explicitly. Only if you want to run | |||||
* the driver on a device which is not yet supported or with a compiler | |||||
* which is not fully supported (such as IAR C) or if you use a differnt | |||||
* interrupt than INT0, you may have to define some of these. | |||||
*/ | |||||
/* #define USB_INTR_CFG MCUCR */ | |||||
/* #define USB_INTR_CFG_SET ((1 << ISC00) | (1 << ISC01)) */ | |||||
/* #define USB_INTR_CFG_CLR 0 */ | |||||
/* #define USB_INTR_ENABLE GIMSK */ | |||||
/* #define USB_INTR_ENABLE_BIT INT0 */ | |||||
/* #define USB_INTR_PENDING GIFR */ | |||||
/* #define USB_INTR_PENDING_BIT INTF0 */ | |||||
/* #define USB_INTR_VECTOR INT0_vect */ | |||||
#endif /* __usbconfig_h_included__ */ |