Remove tentative files from blargg
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tmk
parent
c531a185a4
commit
821578293c
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#----------------------------------------------------------------------------
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# On command line:
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#
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# make all = Make software.
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#
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# make clean = Clean out built project files.
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#
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# make coff = Convert ELF to AVR COFF.
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#
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# make extcoff = Convert ELF to AVR Extended COFF.
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#
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# make program = Download the hex file to the device.
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# Please customize your programmer settings(PROGRAM_CMD)
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#
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# make teensy = Download the hex file to the device, using teensy_loader_cli.
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# (must have teensy_loader_cli installed).
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#
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# make dfu = Download the hex file to the device, using dfu-programmer (must
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# have dfu-programmer installed).
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#
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# make flip = Download the hex file to the device, using Atmel FLIP (must
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# have Atmel FLIP installed).
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#
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# make dfu-ee = Download the eeprom file to the device, using dfu-programmer
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# (must have dfu-programmer installed).
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#
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# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
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# (must have Atmel FLIP installed).
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#
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# make debug = Start either simulavr or avarice as specified for debugging,
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# with avr-gdb or avr-insight as the front end for debugging.
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#
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# make filename.s = Just compile filename.c into the assembler code only.
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#
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# make filename.i = Create a preprocessed source file for use in submitting
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# bug reports to the GCC project.
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#
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# To rebuild project do "make clean" then "make all".
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#----------------------------------------------------------------------------
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# Target file name (without extension).
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TARGET = adb_usb_blargg
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# Directory common source filess exist
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TOP_DIR = ../..
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# Directory keyboard dependent files exist
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TARGET_DIR = .
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# project specific files
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SRC = keymap.c \
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matrix.c \
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led.c \
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adb_blargg.c
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CONFIG_H = config.h
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# MCU name
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#MCU = at90usb1287
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MCU = atmega32u4
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# Processor frequency.
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# This will define a symbol, F_CPU, in all source code files equal to the
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# processor frequency in Hz. You can then use this symbol in your source code to
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# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
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# automatically to create a 32-bit value in your source code.
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#
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# This will be an integer division of F_USB below, as it is sourced by
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# F_USB after it has run through any CPU prescalers. Note that this value
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# does not *change* the processor frequency - it should merely be updated to
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# reflect the processor speed set externally so that the code can use accurate
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# software delays.
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F_CPU = 16000000
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#
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# LUFA specific
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#
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# Target architecture (see library "Board Types" documentation).
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ARCH = AVR8
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# Input clock frequency.
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# This will define a symbol, F_USB, in all source code files equal to the
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# input clock frequency (before any prescaling is performed) in Hz. This value may
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# differ from F_CPU if prescaling is used on the latter, and is required as the
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# raw input clock is fed directly to the PLL sections of the AVR for high speed
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# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
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# at the end, this will be done automatically to create a 32-bit value in your
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# source code.
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#
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# If no clock division is performed on the input clock inside the AVR (via the
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# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
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F_USB = $(F_CPU)
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# Interrupt driven control endpoint task(+60)
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#OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
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# Boot Section Size in *bytes*
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# Teensy halfKay 512
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# Teensy++ halfKay 1024
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# Atmel DFU loader 4096
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# LUFA bootloader 4096
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# USBaspLoader 2048
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OPT_DEFS += -DBOOTLOADER_SIZE=4096
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# Build Options
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# comment out to disable the options.
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#
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BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
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MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
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EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
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CONSOLE_ENABLE = yes # Console for debug(+400)
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COMMAND_ENABLE = yes # Commands for debug and configuration
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#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
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#NKRO_ENABLE = yes # USB Nkey Rollover - not yet supported in LUFA
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# Optimize size but this may cause error "relocation truncated to fit"
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#EXTRALDFLAGS = -Wl,--relax
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# Search Path
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VPATH += $(TARGET_DIR)
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VPATH += $(TOP_DIR)
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include $(TOP_DIR)/protocol/lufa.mk
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include $(TOP_DIR)/protocol.mk
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include $(TOP_DIR)/common.mk
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include $(TOP_DIR)/rules.mk
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@ -1,216 +0,0 @@
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// Bit-banged implementation without any use of interrupts.
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// Data pin must have external 1K pull-up resistor.
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// Operates data pin as open-collector output.
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#include "adb_blargg.h"
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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// Copyright 2011 Jun WAKO <wakojun@gmail.com>
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// Copyright 2013 Shay Green <gblargg@gmail.com>
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// See bottom of file for license
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typedef uint8_t byte;
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// Make loop iteration take us total, including cyc overhead of loop logic
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#define delay_loop_usec( us, cyc ) \
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__builtin_avr_delay_cycles( (unsigned long) (F_CPU / 1e6 * (us) + 0.5) - (cyc) )
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#if !defined(ADB_PORT) || \
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!defined(ADB_PIN) || \
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!defined(ADB_DDR) || \
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!defined(ADB_DATA_BIT)
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#error
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#endif
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enum { data_mask = 1<<ADB_DATA_BIT };
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enum { adb_cmd_read = 0x2C };
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enum { adb_cmd_write = 0x28 };
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// gcc is very unreliable for inlining, so use macros
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#define data_lo() (ADB_DDR |= data_mask)
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#define data_hi() (ADB_DDR &= ~data_mask)
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#define data_in() (ADB_PIN & data_mask)
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static void place_bit( byte bit )
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{
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// 100 us bit cell time
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data_lo();
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_delay_us( 35 );
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// Difference between a 0 and 1 bit is just this 30us portion in the middle
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if ( bit )
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data_hi();
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_delay_us( 30 );
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data_hi();
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_delay_us( 35 );
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}
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static void place_bit0( void ) { place_bit( 0 ); }
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static void place_bit1( void ) { place_bit( 1 ); }
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static void send_byte( byte data )
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{
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for ( byte n = 8; n; n-- )
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{
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place_bit( data & 0x80 );
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data <<= 1;
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}
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}
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static void command( byte cmd )
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{
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data_lo();
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_delay_us( 800 );
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place_bit1();
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send_byte( cmd );
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place_bit0();
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}
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void adb_host_init( void )
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{
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// Always keep port output 0, then just toggle DDR to be GND or leave it floating (high).
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ADB_DDR &= ~data_mask;
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ADB_PORT &= ~data_mask;
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#ifdef ADB_PSW_BIT
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// Weak pull-up
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ADB_PORT |= (1<<ADB_PSW_BIT);
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ADB_DDR &= ~(1<<ADB_PSW_BIT);
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#endif
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}
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bool adb_host_psw( void )
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{
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#ifdef ADB_PSW_BIT
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return (ADB_PIN & (1<<ADB_PSW_BIT)) != 0;
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#else
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return true;
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#endif
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}
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// Waits while data == val, or until us timeout expires. Returns remaining time,
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// zero if timed out.
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static byte while_data( byte us, byte data )
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{
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while ( data_in() == data )
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{
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delay_loop_usec( 1 /* us period */, 7 /* cycles loop overhead */ );
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if ( !--us )
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break;
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}
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return us;
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}
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static byte while_lo( byte us ) { return while_data( us, 0 ); }
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static byte while_hi( byte us ) { return while_data( us, data_mask ); }
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static uint16_t adb_host_talk( byte cmd )
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{
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command( cmd );
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_delay_us( 5 );
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if ( !while_hi( 260 - 5 ) ) // avg 160
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return adb_host_nothing;
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// Receive start bit and 16 data bits.
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// Doing them all in loop allows consistent error checking
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uint16_t data = 0;
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byte n = 17;
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do
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{
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data <<= 1;
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enum { timeout = 130 }; // maximum bit cell time
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byte lo = while_lo( timeout );
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if ( !lo )
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goto error; // timeout
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byte hi = while_hi( lo );
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if ( !hi )
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goto error; // timeout
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if ( timeout-lo < lo-hi )
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data |= 1;
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else if ( n == 17 )
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goto error; // start bit is wrong
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}
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while ( --n );
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// duration must be split in two due to 255 limit
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if ( !while_lo( 255 ) && !while_lo( 351 - 255 ) )
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goto error;
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if ( while_hi( 91 ) )
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goto error;
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return data;
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error:
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return adb_host_error;
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}
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uint16_t adb_host_kbd_recv( void )
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{
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return adb_host_talk( adb_cmd_read + 0 );
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}
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uint16_t adb_host_kbd_modifiers( void )
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{
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return adb_host_talk( adb_cmd_read + 2 );
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}
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void adb_host_listen( byte cmd, byte data_h, byte data_l )
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{
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command( cmd );
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_delay_us( 200 );
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place_bit1();
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send_byte( data_h );
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send_byte( data_l );
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place_bit0();
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}
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void adb_host_kbd_led( byte led )
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{
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adb_host_listen( adb_cmd_write + 2, 0, led & 0x07 );
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}
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/* This software is licensed with a Modified BSD License.
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All of this is supposed to be Free Software, Open Source, DFSG-free,
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GPL-compatible, and OK to use in both free and proprietary applications.
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Additions and corrections to this file are welcome.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of the copyright holders nor the names of
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE. */
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@ -1,38 +0,0 @@
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// Basic support for ADB keyboard
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#ifndef ADB_BLARGG_H
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#define ADB_BLARGG_H
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#include <stdint.h>
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#include <stdbool.h>
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// Sets up ADB bus. Doesn't send anything to keyboard.
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void adb_host_init( void );
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// Receives key press event from keyboard.
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// 0xKKFF: one key changed state
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// 0xKKKK: two keys changed state
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enum { adb_host_nothing = 0 }; // no keys changed state
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enum { adb_host_error = 0xFFFE }; // receive error
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uint16_t adb_host_kbd_recv( void );
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// Current state of keyboard modifiers and a few other keys
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// Returns adb_host_nothing if keyboard didn't respond.
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// Returns adb_host_error if error receiving.
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uint16_t adb_host_kbd_modifiers( void );
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// Sends command and two bytes of data to keyboard
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void adb_host_listen( uint8_t cmd, uint8_t data_h, uint8_t data_l );
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// Sets keyboard LEDs. Note that bits are inverted here, so 1 means off, 0 means on.
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void adb_host_kbd_led( uint8_t led );
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// State of power switch (false = pressed), or true if unsupported
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bool adb_host_psw( void );
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// Legacy support
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#define ADB_POWER 0x7F
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#define ADB_CAPS 0x39
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#endif
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Reference in New Issue
Block a user