281 lines
		
	
	
	
		
			8.1 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			281 lines
		
	
	
	
		
			8.1 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
The Kiibohd Controller
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TODO, write some insightful/informative :P
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Please give authors credit for modules used if you use in a distributed product :D
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Dependencies
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Below listed are the Arch Linux pacman names, AUR packages may be required.
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These depend a bit on which targets you are trying to build, but the general one:
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- cmake (2.8 and higher)
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- Teensy Loader (http://pjrc.com/teensy/loader.html)
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AVR Specific (Teensy 1.0/++,2.0/++) (try to use something recent, suggested versions below)
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- avr-gcc      (4.8.0)
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- avr-binutils (2.23.2)
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- avr-libc     (1.8.0)
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ARM Specific (Teensy 3.0) (Sourcery CodeBench Lite for ARM EABI
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(http://www.mentor.com/embedded-software/sourcery-tools/sourcery-codebench/editions/lite-edition/)
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- arm-none-eabi
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- TODO?
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Selecting Architecture
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----------------------
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This is where you choose which architecture you want to build for.
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The options are:
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 - Teensy 1.0   (Not tested)
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 - Teensy 1.0++ (Not tested)
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 - Teensy 2.0
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 - Teensy 2.0++
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 - Teensy 3.0
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Open up CMakeLists.txt in your favourite text editor.
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You are looking for:
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	###
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	Compiler Family
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	#
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	#| Specify the compiler family to use
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	#| Currently only supports AVR and ARM
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	#| "avr"       # Teensy   1.0
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	#| "avr"       # Teensy   2.0
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	#| "avr"       # Teensy++ 1.0
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	#| "avr"       # Teensy++ 2.0
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	#| "arm"       # Teensy   3.0
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	set( COMPILER_FAMILY "avr" )
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Just change the COMPILER_FAMILY variable to whatever you are trying to build for.
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NOTE: If you change this option, you will *may* to delete the build directory that is created in the Building sections below. 
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----------------------
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Selecting Microcontroller
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----------------------
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Even if you selected the "avr" family of microcontroller architectures, you will still need to specify a target microcontroller (or once more ARM microcontrollers are supported).
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Open up avr.cmake (or arm.cmake) in your favourite text editor.
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You are looking for:
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	###
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	# Atmel Defines and Linker Options
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	#
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	#| MCU Name
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	#| You _MUST_ set this to match the board you are using
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	#| type "make clean" after changing this, so all files will be rebuilt
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	#|
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	#| "at90usb162"       # Teensy   1.0
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	#| "atmega32u4"       # Teensy   2.0
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	#| "at90usb646"       # Teensy++ 1.0
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	#| "at90usb1286"      # Teensy++ 2.0
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	set( MCU "at90usb1286" )
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*OR*
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	###
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	# ARM Defines and Linker Options
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	#
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	#| Chip Name (Linker)
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	#| You _MUST_ set this to match the board you are using
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	#| type "make clean" after changing this, so all files will be rebuilt
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	#|
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	#| "mk20dx128"        # Teensy   3.0
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	set( CHIP "mk20dx128" )
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Just change the CHIP variable to the microcontroller you are trying to build for.
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NOTE: If you change this option, you will *need* to delete the build directory that is created in the Building sections below.
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----------------------
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Selecting Modules
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----------------------
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WARNING: Not all modules are compatible, and some modules may have dependencies on other modules.
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This is where the options start getting interesting.
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The Kiibohd Controller is designed around a set of 4 types of modules that correspond to different functionality:
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- Scan Module
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- Macro Module
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- USB Module
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- Debug Module
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The Scan Module is where the most interesting stuff happens. These modules take in "keypress data".
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A converter Scan Module will interpret a protocol into key press/releases.
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A matrix Scan Module may inherit from the matrix module to scan keypress from a matrix
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This module just has to give press/release codes, but does have some callback control to other modules depending on the lifecycle for press/release codes (this can be very complicated depending on the protocol).
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Each Scan Module has it's own default keymap/modifier map. (TODO recommend keymap changing in the Macro Module).
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The Macro Module takes care of the mapping of the key press/release code into a USB scan code.
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Any layering, macros, keypress intelligence/reaction is done here.
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The USB Module is the output module of the microcontroller. Currently USB is the only output protocol.
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Different USB output implementations are available, pjrc being the safest/least featureful one.
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Debug capabilities may depend on the module selected.
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The Debug Module enables various things like the Teensy LED on errors, debug terminal output.
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(TODO get true UART working in avr, not just arm)
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Open up setup.cmake in your favourite text editor.
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Look for:
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	###
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	# Project Modules
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	#
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	#| Note: This is the only section you probably want to modify
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	#| Each module is defined by it's own folder (e.g. Scan/Matrix represents the "Matrix" module)
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	#| All of the modules must be specified, as they generate the sources list of files to compile
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	#| Any modifications to this file will cause a complete rebuild of the project
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	#| Please look at the {Scan,Macro,USB,Debug}/module.txt for information on the modules and how to create new ones
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	##| Deals with acquiring the keypress information and turning it into a key index
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	set(  ScanModule  "avr-capsense" )
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	##| Uses the key index and potentially applies special conditions to it, mapping it to a usb key code
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	set( MacroModule  "buffer"  )
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	##| Sends the current list of usb key codes through USB HID
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	set(   USBModule  "pjrc"   )
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	##| Debugging source to use, each module has it's own set of defines that it sets
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	set( DebugModule  "full"   )
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Look at each module individually for it's requirements. There is chip/architecture dependency checking but some permutations of modules may not be tested/compile.
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There are also CMake options for temporarily selecting modules. But it's easier to just edit the file.
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e.g. cmake -DScanModuleOverride=<module name>
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Linux Building
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----------------------
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From this directory.
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mkdir build
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cd build
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cmake ..
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make
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Example output:
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	[master]: cmake ..                 [...sy/avr-capsense-haata/build](hyatt@901Mas:pts/4)
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	-- Compiler Family:
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	avr
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	-- MCU Selected:
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	at90usb1286
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	-- Detected Scan Module Source Files:
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	Scan/avr-capsense/scan_loop.c
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	-- Detected Macro Module Source Files:
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	Macro/buffer/macro.c
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	-- Detected USB Module Source Files:
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	USB/pjrc/usb_com.c;USB/pjrc/avr/usb_keyboard_debug.c
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	-- Detected Debug Module Source Files:
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	Debug/full/../led/led.c;Debug/full/../print/print.c
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	-- Configuring done
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	-- Generating done
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	-- Build files have been written to: /home/hyatt/Source/Teensy/avr-capsense-haata/build
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	[master]: make                     [...sy/avr-capsense-haata/build](hyatt@901Mas:pts/4)
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	Scanning dependencies of target kiibohd.elf
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	[ 12%] Building C object CMakeFiles/kiibohd.elf.dir/main.c.o
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	[ 25%] Building C object CMakeFiles/kiibohd.elf.dir/Scan/avr-capsense/scan_loop.c.o
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	[ 37%] Building C object CMakeFiles/kiibohd.elf.dir/Macro/buffer/macro.c.o
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	[ 50%] Building C object CMakeFiles/kiibohd.elf.dir/USB/pjrc/usb_com.c.o
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	[ 62%] Building C object CMakeFiles/kiibohd.elf.dir/USB/pjrc/avr/usb_keyboard_debug.c.o
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	[ 75%] Building C object CMakeFiles/kiibohd.elf.dir/Debug/led/led.c.o
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	[ 87%] Building C object CMakeFiles/kiibohd.elf.dir/Debug/print/print.c.o
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	Linking C executable kiibohd.elf
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	Creating load file for Flash:  kiibohd.hex
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	Creating Extended Listing:     kiibohd.lss
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	Creating Symbol Table:         kiibohd.sym
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	[ 87%] Built target kiibohd.elf
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	Scanning dependencies of target SizeAfter
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	[100%] Size after generation:
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	   text    data     bss     dec     hex filename
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	      0    6112       0    6112    17e0 kiibohd.hex
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	   5792     320     852    6964    1b34 kiibohd.elf
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	[100%] Built target SizeAfter
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----------------------
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Linux Loading Firmware
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The 'load' script that is created during the build can load the firmware over USB.
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It uses sudo, so make sure you have the priviledges.
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(TODO, not complete, avr and arm are different currently, need to be unified)
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./load
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Windows Building
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TODO
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Windows Loading Firmware
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TODO
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Mac OS X Building
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TODO
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Mac OS X Loading Firmware
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TODO
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Debugging
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TODO
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