+++ /dev/null
-#----------------------------------------------------------------------------
-# 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 = adb_usb_blargg
-
-# Directory common source filess exist
-TOP_DIR = ../..
-
-# Directory keyboard dependent files exist
-TARGET_DIR = .
-
-# project specific files
-SRC = keymap.c \
- matrix.c \
- led.c \
- adb_blargg.c
-
-CONFIG_H = config.h
-
-
-# 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)
-
-# 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
-
-
-# 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 - not yet supported in LUFA
-
-
-# Optimize size but this may cause error "relocation truncated to fit"
-#EXTRALDFLAGS = -Wl,--relax
-
-# Search Path
-VPATH += $(TARGET_DIR)
-VPATH += $(TOP_DIR)
-
-include $(TOP_DIR)/protocol/lufa.mk
-include $(TOP_DIR)/protocol.mk
-include $(TOP_DIR)/common.mk
-include $(TOP_DIR)/rules.mk
+++ /dev/null
-// Bit-banged implementation without any use of interrupts.
-// Data pin must have external 1K pull-up resistor.
-// Operates data pin as open-collector output.
-
-#include "adb_blargg.h"
-
-#ifdef HAVE_CONFIG_H
- #include "config.h"
-#endif
-
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-
-// Copyright 2011 Jun WAKO <wakojun@gmail.com>
-// Copyright 2013 Shay Green <gblargg@gmail.com>
-// See bottom of file for license
-
-typedef uint8_t byte;
-
-// Make loop iteration take us total, including cyc overhead of loop logic
-#define delay_loop_usec( us, cyc ) \
- __builtin_avr_delay_cycles( (unsigned long) (F_CPU / 1e6 * (us) + 0.5) - (cyc) )
-
-#if !defined(ADB_PORT) || \
- !defined(ADB_PIN) || \
- !defined(ADB_DDR) || \
- !defined(ADB_DATA_BIT)
- #error
-#endif
-
-enum { data_mask = 1<<ADB_DATA_BIT };
-
-enum { adb_cmd_read = 0x2C };
-enum { adb_cmd_write = 0x28 };
-
-// gcc is very unreliable for inlining, so use macros
-#define data_lo() (ADB_DDR |= data_mask)
-#define data_hi() (ADB_DDR &= ~data_mask)
-#define data_in() (ADB_PIN & data_mask)
-
-static void place_bit( byte bit )
-{
- // 100 us bit cell time
- data_lo();
- _delay_us( 35 );
-
- // Difference between a 0 and 1 bit is just this 30us portion in the middle
- if ( bit )
- data_hi();
- _delay_us( 30 );
-
- data_hi();
- _delay_us( 35 );
-}
-
-static void place_bit0( void ) { place_bit( 0 ); }
-static void place_bit1( void ) { place_bit( 1 ); }
-
-static void send_byte( byte data )
-{
- for ( byte n = 8; n; n-- )
- {
- place_bit( data & 0x80 );
- data <<= 1;
- }
-}
-
-static void command( byte cmd )
-{
- data_lo();
- _delay_us( 800 );
- place_bit1();
- send_byte( cmd );
- place_bit0();
-}
-
-void adb_host_init( void )
-{
- // Always keep port output 0, then just toggle DDR to be GND or leave it floating (high).
- ADB_DDR &= ~data_mask;
- ADB_PORT &= ~data_mask;
-
- #ifdef ADB_PSW_BIT
- // Weak pull-up
- ADB_PORT |= (1<<ADB_PSW_BIT);
- ADB_DDR &= ~(1<<ADB_PSW_BIT);
- #endif
-}
-
-bool adb_host_psw( void )
-{
- #ifdef ADB_PSW_BIT
- return (ADB_PIN & (1<<ADB_PSW_BIT)) != 0;
- #else
- return true;
- #endif
-}
-
-// Waits while data == val, or until us timeout expires. Returns remaining time,
-// zero if timed out.
-static byte while_data( byte us, byte data )
-{
- while ( data_in() == data )
- {
- delay_loop_usec( 1 /* us period */, 7 /* cycles loop overhead */ );
- if ( !--us )
- break;
- }
- return us;
-}
-
-static byte while_lo( byte us ) { return while_data( us, 0 ); }
-static byte while_hi( byte us ) { return while_data( us, data_mask ); }
-
-static uint16_t adb_host_talk( byte cmd )
-{
- command( cmd );
- _delay_us( 5 );
- if ( !while_hi( 260 - 5 ) ) // avg 160
- return adb_host_nothing;
-
- // Receive start bit and 16 data bits.
- // Doing them all in loop allows consistent error checking
- uint16_t data = 0;
- byte n = 17;
- do
- {
- data <<= 1;
- enum { timeout = 130 }; // maximum bit cell time
-
- byte lo = while_lo( timeout );
- if ( !lo )
- goto error; // timeout
-
- byte hi = while_hi( lo );
- if ( !hi )
- goto error; // timeout
-
- if ( timeout-lo < lo-hi )
- data |= 1;
- else if ( n == 17 )
- goto error; // start bit is wrong
- }
- while ( --n );
-
- // duration must be split in two due to 255 limit
- if ( !while_lo( 255 ) && !while_lo( 351 - 255 ) )
- goto error;
-
- if ( while_hi( 91 ) )
- goto error;
-
- return data;
-
-error:
- return adb_host_error;
-}
-
-uint16_t adb_host_kbd_recv( void )
-{
- return adb_host_talk( adb_cmd_read + 0 );
-}
-
-uint16_t adb_host_kbd_modifiers( void )
-{
- return adb_host_talk( adb_cmd_read + 2 );
-}
-
-void adb_host_listen( byte cmd, byte data_h, byte data_l )
-{
- command( cmd );
- _delay_us( 200 );
-
- place_bit1();
- send_byte( data_h );
- send_byte( data_l );
- place_bit0();
-}
-
-void adb_host_kbd_led( byte led )
-{
- adb_host_listen( adb_cmd_write + 2, 0, led & 0x07 );
-}
-
-/* This software is licensed with a Modified BSD License.
-All of this is supposed to be Free Software, Open Source, DFSG-free,
-GPL-compatible, and OK to use in both free and proprietary applications.
-Additions and corrections to this file are welcome.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-* Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
-* Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
-
-* Neither the name of the copyright holders nor the names of
- contributors may be used to endorse or promote products derived
- from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE. */
+++ /dev/null
-// Basic support for ADB keyboard
-
-#ifndef ADB_BLARGG_H
-#define ADB_BLARGG_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-// Sets up ADB bus. Doesn't send anything to keyboard.
-void adb_host_init( void );
-
-// Receives key press event from keyboard.
-// 0xKKFF: one key changed state
-// 0xKKKK: two keys changed state
-enum { adb_host_nothing = 0 }; // no keys changed state
-enum { adb_host_error = 0xFFFE }; // receive error
-uint16_t adb_host_kbd_recv( void );
-
-// Current state of keyboard modifiers and a few other keys
-// Returns adb_host_nothing if keyboard didn't respond.
-// Returns adb_host_error if error receiving.
-uint16_t adb_host_kbd_modifiers( void );
-
-// Sends command and two bytes of data to keyboard
-void adb_host_listen( uint8_t cmd, uint8_t data_h, uint8_t data_l );
-
-// Sets keyboard LEDs. Note that bits are inverted here, so 1 means off, 0 means on.
-void adb_host_kbd_led( uint8_t led );
-
-// State of power switch (false = pressed), or true if unsupported
-bool adb_host_psw( void );
-
-
-// Legacy support
-#define ADB_POWER 0x7F
-#define ADB_CAPS 0x39
-
-#endif
projects / max / tmk_keyboard.git / commitdiff