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QuestionI need some direction how to decode compiler parameters passed by txt file Pin
Vaclav_13-Feb-15 6:20
Vaclav_13-Feb-15 6:20 
OK I am stuck again and getting nowhere asking this on Arduino site.

To my best knowledge Arduino application is build using gcc compiler.
I know that gcc compiler is passed ton of parameters know how to find out their function / description.

I understand such parameters can be put into a batch file and Arduino folks apparently use plain x.txt file to do just that.

I am LITTLE familiar with .bat files syntax , but have not have any need to use bat files ages.

Now what I DO NOT KNOW how is this batch / platform.txt file is organized, its syntax etc.

<b>Could I get some pointers where to start looking for basic information about usage of txt files in passing parameters to compilers?

</b>

I am enclosing the entire platform.txt file in case it would be easier just to annotate it to show me what I am looking at or where to find what particular line is suppose to accomplish.

PS I am basically trying to figure out how is this platform.txt accomplishing the last task
- SAM3 Uploader tools, but I want to learn more about the txt batch files usage.
I have full access to BOSSAC source on github.

I really appreciate any help.
Thanks
Vaclav



# Arduino SAM Core and platform.
#
# For more info:
# https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5---3rd-party-Hardware-specification

name=Arduino ARM (32-bits) Boards
version=1.6.0

# SAM3 compile variables
# ----------------------

compiler.path={runtime.ide.path}/hardware/tools/gcc-arm-none-eabi-4.8.3-2014q1/bin/
compiler.c.cmd=arm-none-eabi-gcc
compiler.c.flags=-c -g -Os -ffunction-sections -fdata-sections -nostdlib --param max-inline-insns-single=500 -Dprintf=iprintf -MMD
compiler.c.elf.cmd=arm-none-eabi-gcc
compiler.c.elf.flags=-Os -Wl,--gc-sections
compiler.S.flags=-c -g -x assembler-with-cpp
compiler.cpp.cmd=arm-none-eabi-g++
compiler.cpp.flags=-c -g -Os -w -ffunction-sections -fdata-sections -nostdlib -fno-threadsafe-statics --param max-inline-insns-single=500 -fno-rtti -fno-exceptions -Dprintf=iprintf -MMD
compiler.ar.cmd=arm-none-eabi-ar
compiler.ar.flags=rcs
compiler.objcopy.cmd=arm-none-eabi-objcopy
compiler.objcopy.eep.flags=-O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0
compiler.elf2hex.flags=-O binary
compiler.elf2hex.cmd=arm-none-eabi-objcopy
compiler.ldflags=
compiler.size.cmd=arm-none-eabi-size
compiler.define=-DARDUINO=

# this can be overriden in boards.txt
build.extra_flags=

# These can be overridden in platform.local.txt
compiler.c.extra_flags=
compiler.c.elf.extra_flags=
compiler.cpp.extra_flags=
compiler.ar.extra_flags=
compiler.elf2hex.extra_flags=


compiler.libsam.c.flags="-I{build.system.path}/libsam" "-I{build.system.path}/CMSIS/CMSIS/Include/" "-I{build.system.path}/CMSIS/Device/ATMEL/"

# USB Flags
# ---------
build.usb_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} -DUSBCON '-DUSB_MANUFACTURER={build.usb_manufacturer}' '-DUSB_PRODUCT={build.usb_product}'

# Default usb manufacturer will be replaced at compile time using
# numeric vendor ID if available or by board's specific value.
build.usb_manufacturer="Unknown"


# SAM3 compile patterns
# ---------------------

## Compile c files
recipe.c.o.pattern="{compiler.path}{compiler.c.cmd}" {compiler.c.flags} -mcpu={build.mcu} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.c.extra_flags} {build.extra_flags} {compiler.libsam.c.flags} {includes} "{source_file}" -o "{object_file}"

## Compile c++ files
recipe.cpp.o.pattern="{compiler.path}{compiler.cpp.cmd}" {compiler.cpp.flags} -mcpu={build.mcu} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.cpp.extra_flags} {build.extra_flags} {compiler.libsam.c.flags} {includes} "{source_file}" -o "{object_file}"

## Create archives
recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{build.path}/{archive_file}" "{object_file}"

## Combine gc-sections, archives, and objects
recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}" {compiler.c.elf.flags} -mcpu={build.mcu} "-T{build.variant.path}/{build.ldscript}" "-Wl,-Map,{build.path}/{build.project_name}.map" {compiler.c.elf.extra_flags} -o "{build.path}/{build.project_name}.elf" "-L{build.path}" -mthumb -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--entry=Reset_Handler -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -Wl,--warn-unresolved-symbols -Wl,--start-group "{build.path}/syscalls_sam3.c.o" {object_files} "{build.variant.path}/{build.variant_system_lib}" "{build.path}/{archive_file}" -Wl,--end-group -lm -gcc

## Create eeprom
recipe.objcopy.eep.pattern=

## Create hex
recipe.objcopy.hex.pattern="{compiler.path}{compiler.elf2hex.cmd}" {compiler.elf2hex.flags} {compiler.elf2hex.extra_flags} "{build.path}/{build.project_name}.elf" "{build.path}/{build.project_name}.bin"

## Compute size
recipe.size.pattern="{compiler.path}{compiler.size.cmd}" -A "{build.path}/{build.project_name}.elf"
recipe.size.regex=\.text\s+([0-9]+).*


# SAM3 Uploader tools
# -------------------

tools.bossac.cmd=bossac
tools.bossac.cmd.windows=bossac.exe /k // try this
tools.bossac.path={runtime.ide.path}/hardware/tools

tools.bossac.upload.params.verbose=-i -d
tools.bossac.upload.params.quiet=
tools.bossac.upload.pattern="{path}/{cmd}" {upload.verbose} --port={serial.port.file} -U {upload.native_usb} -e -w -v -b "{build.path}/{build.project_name}.bin" -R
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QuestionHow is this possible? Application cannot connect to detected COM port. Pin
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