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FEATHER-M0-ArduinoIDE-Aide (voir la source)
Version du 1 novembre 2017 à 19:25
, 1 novembre 2017 à 19:25aucun résumé de modification
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== My Feather stopped working when I unplugged the USB! ==
A lot of our example sketches have a
<code>while (!Serial);</code>
line in setup(), to keep the board waiting until the USB is opened. This makes it a lot easier to debug a program because you get to see all the USB data output. If you want to run your Feather without USB connectivity, delete or comment out that line
== My Feather never shows up as a COM or Serial port in the Arduino IDE ==
'''<br>A''' '''vast number of Feather 'failures' are due to charge-only USB cables'''
We get upwards of 5 complaints a day that turn out to be due to charge-only cables!
Use only a cable that you '''know''' is for data syncing
If you have any charge-only cables, cut them in half throw them out. We are serious! They tend to be low quality in general, and will only confuse you and others later, just get a good data+charge USB cable
== Ack! I "did something" and now when I plug in the Feather, it doesn't show up as a device anymore so I cant upload to it or fix it... ==
No problem! You can 'repair' a bad code upload easily. Note that this can happen if you set a watchdog timer or sleep mode that stops USB, or any sketch that 'crashes' your Feather
<ol>
* Turn on '''verbose upload''' in the Arduino IDE preferences
* Plug in feather 32u4/M0, it won't show up as a COM/serial port that's ok
* Open up the Blink example (Examples->Basics->Blink)
* Select the correct board in the Tools menu, e.g. Feather 32u4 or Feather M0 (check your board to make sure you have the right one selected!)
* Compile it (make sure that works)
* Click Upload to attempt to upload the code
* The IDE will print out a bunch of COM Ports as it tries to upload. '''During this time, double-click the reset button, you'll see the red pulsing LED that tells you its now in bootloading mode<br>'''
* The Feather will show up as the Bootloader COM/Serial port
* The IDE should see the bootloader COM/Serial port and upload properly
</ol>
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== I can't get the Feather USB device to show up - I get "USB Device Malfunctioning" errors! ==
This seems to happen when people select the wrong board from the Arduino Boards menu.
If you have a Feather 32u4 (look on the board to read what it is you have) Make sure you select '''Feather 32u4''' for ATMega32u4 based boards! Do not use anything else, do not use the 32u4 breakout board line.
If you have a Feather M0 (look on the board to read what it is you have) Make sure you select '''Feather M0''' - do not use 32u4 or Arduino Zero
== I'm having problems with COM ports and my Feather 32u4/M0 ==
Theres '''two''' COM ports you can have with the 32u4/M0, one is the '''user port''' and one is the '''bootloader port'''. They are not the same COM port number!
When you upload a new user program it will come up with a user com port, particularly if you use Serial in your user program.
'''If you crash your user program, or have a program that halts or otherwise fails, the user com port can disappear.'''
'''When the user COM port disappears, Arduino will not be able to automatically start the bootloader and upload new software.'''
So you will need to help it by performing the click-during upload procedure to re-start the bootloader, and upload something that is known working like "Blink"
== I don't understand why the COM port disappears, this does not happen on my Arduino UNO! ==
UNO-type Arduinos have a ''seperate'' serial port chip (aka "FTDI chip" or "Prolific PL2303" etc etc) which handles all serial port capability seperately than the main chip. This way if the main chip fails, you can always use the COM port.
M0 and 32u4-based Arduinos do not have a seperate chip, instead the main processor performs this task for you. It allows for a lower cost, higher power setup...but requires a little more effort since you will need to 'kick' into the bootloader manually once in a while
== I'm trying to upload to my 32u4, getting "avrdude: butterfly_recv(): programmer is not responding" errors ==
This is likely because the bootloader is not kicking in and you are accidentally '''trying to upload to the''' '''wrong COM port'''
The best solution is what is detailed above: manually upload Blink or a similar working sketch by hand by manually launching the bootloader
== I'm trying to upload to my Feather M0, and I get this error "Connecting to programmer: .avrdude: butterfly_recv(): programmer is not responding" ==
You probably don't have Feather M0 selected in the boards drop-down. Make sure you selected Feather M0.
== I'm trying to upload to my Feather and i get this error "avrdude: ser_recv(): programmer is not responding" ==
You probably don't have Feather M0 / Feather 32u4 selected in the boards drop-down. Make sure you selected Feather M0 (or Feather 32u4).
== I attached some wings to my Feather and now I can't read the battery voltage! ==
Make sure your Wing doesn't use pin #9 which is the analog sense for the lipo battery!
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