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diff --git a/source/troubleshooting.rst b/source/troubleshooting.rst index b878ae4..9d452d1 100644 --- a/source/troubleshooting.rst +++ b/source/troubleshooting.rst @@ -2,231 +2,212 @@ .. _troubleshooting: -======================= - Maple Troubleshooting -======================= - -* :ref:`Hardware Problems <troubleshooting-hardware>` - - * The status LED is throbbing and I can't upload my program! - * My board is bricked! I can't upload via the bootloader no matter what! - * My 5v peripheral doesn't work! (I2C, SPI, USART, etc) - * The reset and D38/serial buttons don't seem to work reliably! - -* :ref:`IDE installation problems <troubleshooting-ide-install>` - - * I don't have root/administrator access! - * [Linux] I don't use udev! - -* :ref:`IDE usage problems <troubleshooting-ide-usage>` - - * [Mac OSX] The "Board" and "Serial Port" menu items are missing! - -* :ref:`Common compiler problems <troubleshooting-compilation>` - - * ``NullPointerException`` - * ``undefined reference to setup()/loop()`` - * ``error: 'Serial' was not declared in this scope`` - * ``File(s) not found`` - -* :ref:`Common upload problems <troubleshooting-upload>` - - * My program is too large! - * ``No DFU capable USB device found`` - * I have multiple Maples installed; how do I know which one will get flashed? +Troubleshooting +=============== -* :ref:`Command-line issues <troubleshooting-shell>` +This page documents common problems and their solutions. - * My flash programs don't seem to stick; they behave like they are RAM! - * [Linux] ``cdc_acm 3-1:1.0: no more free acm devices`` +.. contents:: Contents + :local: -* :ref:`Tips and tricks <troubleshooting-tips-tricks>` - - * Perpetual bootloader mode - -.. _troubleshooting-hardware: - -Hardware problems ------------------ +=================== + Hardware problems +=================== The status LED is throbbing and I can't upload my program! +---------------------------------------------------------- - The LED throbs when there has been a failed software - :ref:`assertion <language-assert>`. +The LED throbs when there has been a failed software :ref:`assertion +<language-assert>`. - You can still reprogram by resetting the board and uploading - during the short window when the bootloader waits for a - program. +You can still reprogram by resetting the board and uploading during +the short window when the bootloader waits for a program. - To make this window longer (it can be hard to get the timing - right), use :ref:`perpetual bootloader mode - <troubleshooting-perpetual-bootloader>`. +To make this window longer (it can be hard to get the timing right), +use :ref:`perpetual bootloader mode +<troubleshooting-perpetual-bootloader>`. My board is bricked! I can't upload via the bootloader no matter what! +---------------------------------------------------------------------- - Use the hardcoded serial STM32 serial bootloader to re-flash the - bootloader. +Use the hardcoded serial STM32 serial bootloader to re-flash the +bootloader. - .. TODO insert docs on reflashing the bootloader +.. TODO insert docs on reflashing the bootloader - If it really is bricked, and you think it's our fault, - `contact us <http://leaflabs.com/contact>`_\ ! +If it really is bricked, and you think it's our fault, `contact us +<http://leaflabs.com/contact>`_\ ! My 5v peripheral doesn't work! (I2C, SPI, USART, etc) +----------------------------------------------------- - Yup, the Maple is a 3.3v board. You may need to use a level - converter. See the :ref:`compatibility <compatibility>`, - :ref:`GPIO <gpio>`, or other :ref:`hardware specific documentation - <hardware>` for more information. +Yup, the Maple is a 3.3v board. You may need to use a level +converter. See the :ref:`compatibility <compatibility>`, :ref:`GPIO +<gpio>`, or other :ref:`hardware specific documentation <hardware>` +for more information. The reset and D38/serial buttons don't seem to work reliably! +------------------------------------------------------------- - A few rev3 boards shipped in May-June 2010 may have had unreliable - buttons; see the :ref:`errata page <errata>` for details. `We're - happy to replace these for you <http://leaflabs.com/contact>`_\ ! +A few rev3 boards shipped in May-June 2010 may have had unreliable +buttons; see the :ref:`errata page <errata>` for details. `We're +happy to replace these for you <http://leaflabs.com/contact>`_\ ! -.. _troubleshooting-ide-install: -Installation problems ---------------------- +.. _troubleshooting-ide-install: +======================= + Installation problems +======================= I don't have root/administrator access! +--------------------------------------- - There are probably hacks or work-arounds to getting programs - uploaded without higher level system permissions. If you can - access USB character devices (ACM or ttyUSB style), you should be - able to communicate with the Maple and reprogram using an FTDI - converter and the serial bootloader, but we haven't tried. +There are probably hacks or work-arounds to getting programs uploaded +without higher level system permissions. If you can access USB +character devices (ACM or ttyUSB style), you should be able to +communicate with the Maple and reprogram using an FTDI converter and +the serial bootloader, but we haven't tried. - .. TODO: be more helpful +.. TODO: be more helpful [Linux] I don't use udev! +------------------------- - There is probably a simple way to get autoconfiguration working - with devfs; in the meantime, you could try running the entire IDE - as root. +There is probably a simple way to get autoconfiguration working with +devfs; in the meantime, you could try running the entire IDE as root. - .. TODO: be more helpful +.. TODO: be more helpful .. _troubleshooting-ide-usage: -IDE problems ------------- +============== + IDE problems +============== -[Mac OSX] The "Board" and "Serial Port" menu items are missing! +[Mac OS X] The "Board" and "Serial Port" menu items are missing! +---------------------------------------------------------------- - Sometimes this happens if you try to compile or upload without - having a board selected. The work-around is to restart the - IDE. Mysterious! +Sometimes this happens if you try to compile or upload without having +a board selected. The work-around is to restart the IDE. Mysterious! .. _troubleshooting-compilation: -Common compiler problems ------------------------- +========================== + Common compiler problems +========================== ``NullPointerException`` +------------------------ - A classic! Make sure you have selected a board from the pulldown menu. +A classic! Make sure you have selected a board from the pulldown menu. - .. TODO: remove when Python version is released +.. TODO: remove when Python version is released ``undefined reference to setup()/loop()`` +----------------------------------------- - Your sketch/program either does not include one of the `setup - <setup()>`_ or `loop <loop()>`_ functions, or it was not found by - the compiler. Your program must include both ``void setup()`` and - ``void loop()`` functions; they don't have to do anything, but - they **must** be there. +Your sketch/program either does not include one of the `setup +<setup()>`_ or `loop <loop()>`_ functions, or it was not found by the +compiler. Your program must include both ``void setup()`` and ``void +loop()`` functions; they don't have to do anything, but they **must** +be there. - You can start with an example program (to see one in the IDE, - click on File > Examples > Stubs > BareMinimum) to get the basic - structure. See also the :ref:`language <language>` documentation. +You can start with an example program (to see one in the IDE, click on +File > Examples > Stubs > BareMinimum) to get the basic structure. +See also the :ref:`language <language>` documentation. - This is a common error when your entire sketch is blank. +This is a common error when your entire sketch is blank. ``error: 'Serial' was not declared in this scope`` +-------------------------------------------------- - The classic Arduino has only one USART device and uses the unique - name "Serial" to control it. Larger devices like the Arduino Mega - and the Maple have multiple USARTS referred to as ``Serial1``, - ``Serial2``, etc. You probably want ``Serial2`` on the Maple; - that's the one connected to pins D0 and D1. See also the - :ref:`USART docs <usart>`. +The classic Arduino has only one USART device and uses the unique name +"Serial" to control it. Larger devices like the Arduino Mega and the +Maple have multiple USARTS referred to as ``Serial1``, ``Serial2``, +etc. You probably want ``Serial2`` on the Maple; that's the one +connected to pins D0 and D1. See also the :ref:`USART docs <usart>`. ``File(s) not found`` +--------------------- - There is an intermittent bug with the temporary directory build - system that on occasion will lose many of the ``#include``\ d - libmaple files. If you recompile everything, it should be fine. +There is an intermittent bug with the temporary directory build system +that on occasion will lose many of the ``#include``\ d libmaple +files. If you recompile everything, it should be fine. - .. TODO remove when the Python version is released +.. TODO remove when the Python version is released .. _troubleshooting-upload: -Common upload problems ----------------------- +======================== + Common upload problems +======================== My program is too large! +------------------------ - First, make sure you're using the FLASH target instead of RAM; - there is several times more FLASH memory available for user - programs. +First, make sure you're using the FLASH target instead of RAM; there +is several times more FLASH memory available for user programs. ``No DFU capable USB device found`` +----------------------------------- - This probably means you don't have a Maple plugged in or powered on! +This probably means you don't have a Maple plugged in or powered on! I have multiple Maples installed; how do I know which one will get flashed? +--------------------------------------------------------------------------- - Because the Maple IDE uses DFU to upload programs, you can't - select a particular Maple from the Serial Port menu to upload to a - particular board. There's no solution to this problem for now: - you'll have to just plug in the Maples one at a time. If this is a - real problem let us know and we'll see if we can come up with a - better solution. +Because the Maple IDE uses DFU to upload programs, you can't select a +particular Maple from the Serial Port menu to upload to a particular +board. There's no solution to this problem for now: you'll have to +just plug in the Maples one at a time. If this is a real problem let +us know and we'll see if we can come up with a better solution. .. _troubleshooting-shell: -Command-line issues -------------------- +===================== + Command-line issues +===================== My flash programs don't seem to stick; they behave like they are RAM! +--------------------------------------------------------------------- - Make sure you :command:`make clean` when switching between FLASH - and RAM targets; :command:`make` isn't smart enough to rebuild - everything that needs to be for the new target. +Make sure you :command:`make clean` when switching between FLASH and +RAM targets; :command:`make` isn't smart enough to rebuild everything +that needs to be for the new target. [Linux] ``cdc_acm 3-1:1.0: no more free acm devices`` +----------------------------------------------------- - This is a nasty one! It means that all 32 possible CDC_ACM serial - devices (:file:`/dev/ttyACM25`, etc.) have been used up. +This is a nasty one! It means that all 32 possible CDC_ACM serial +devices (:file:`/dev/ttyACM25`, etc.) have been used up. - The usual cause is using a serial port monitor and not closing it - before restarting the Maple or uploading a new program. The - operating system doesn't like that, and locks up that - device. After reset the Maple comes back up as a new device. If - you develop heavily and don't restart you'll blow right through - all 32 devices. +The usual cause is using a serial port monitor and not closing it +before restarting the Maple or uploading a new program. The operating +system doesn't like that, and locks up that device. After reset the +Maple comes back up as a new device. If you develop heavily and don't +restart you'll blow right through all 32 devices. - The lazy solution is to always close the monitor before - restarting, and if you get this error in :file:`dmesg` after a - dfu-util "Not Found" error, restart you machine. +The lazy solution is to always close the monitor before restarting, +and if you get this error in :file:`dmesg` after a dfu-util "Not +Found" error, restart you machine. - The hacker solution is to restart your cdc_acm kernel module. On - Ubuntu 09.10, this goes a little something like:: +The hacker solution is to restart your cdc_acm kernel module. On +Ubuntu 09.10, this goes a little something like:: - $ sudo rmmod cdc-acm - $ sudo insmod /lib/modules/2.6.31-20-generic/kernel/drivers/usb/class/cdc-acm.ko + $ sudo rmmod cdc-acm + $ sudo insmod /lib/modules/2.6.31-20-generic/kernel/drivers/usb/class/cdc-acm.ko .. _troubleshooting-tips-tricks: -Tips and Tricks ---------------- +================= + Tips and Tricks +================= .. _troubleshooting-perpetual-bootloader: -**Perpetual Bootloader Mode** +Perpetual Bootloader Mode +------------------------- In this mode, Maple stays a DFU device and does not jump to user code until the next reset. This is useful for guaranteeing that your Maple @@ -234,13 +215,13 @@ will be available for reprogramming. To put your Maple into perpetual bootloader mode: -1. Plug your Maple into the USB port. +#. Plug your Maple into the USB port. -2. Hit the reset button on your Maple (it's the small button at the -bottom left, labeled RESET). Notice that it blinks quickly 6 times, -then blinks slowly a few more times. +#. Hit the reset button on your Maple (it's the small button at the + bottom left, labeled RESET). Notice that it blinks quickly 6 + times, then blinks slowly a few more times. -3. Hit reset again, and this time push and hold the other button -during the 6 fast blinks (the button is on the top right; it is -labeled BUT). You can release it once the slow blinks start. +#. Hit reset again, and this time push and hold the other button + during the 6 fast blinks (the button is on the top right; it is + labeled BUT). You can release it once the slow blinks start. |