# After flashing on os x, no keypresses sent **URL:** \ **Category:** Programming\ **Tags:** question\ **Created:** [December 1, 2017, 2:00am UTC](https://community.keyboard.io/t/after-flashing-on-os-x-no-keypresses-sent/815 "2017-12-01T02:00:01Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Benji](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.keyboard.io/benji/32/355_2.png) [@Benji](https://community.keyboard.io/u/Benji)\ **Post date:** [December 1, 2017, 2:00am UTC](https://community.keyboard.io/t/after-flashing-on-os-x-no-keypresses-sent/815/1 "2017-12-01T02:00:01Z")
I had been happily updating my keyboard using my programmer dvorak layout at [https://gist.github.com/benshine/64ecb605bc822bd90ac686e66a02b3d4](https://gist.github.com/benshine/64ecb605bc822bd90ac686e66a02b3d4) , and then I just tried flashing @algernon’s rad layout [https://github.com/algernon/Model01-sketch](https://github.com/algernon/Model01-sketch) … That put the keyboard into a weird state (one half white, the other half no LEDs, no keypresses sent) so I tried to get back to either my layout or the default, using the Arduino UI. I can’t get it back to generating any keypresses at all. The _one_ thing that works right now, afaict, is the LED button – it changes the LED mode. That’s the only sign of life. When I flash using Ardunio UI, I get this message: ```auto Archiving built core (caching) in: /var/folders/2b/p4bk_ptx31n2578xq79ktnzc0000gn/T/arduino_cache_253323/core/core_keyboardio_avr_model01_51f02b7210b938436b779d1c032618e1.a Sketch uses 18914 bytes (65%) of program storage space. Maximum is 28672 bytes. Global variables use 1940 bytes (75%) of dynamic memory, leaving 620 bytes for local variables. Maximum is 2560 bytes. Low memory available, stability problems may occur. ``` I tried rebooting my mac to make sure it wasn’t talking about low memory on the host OS; no joy. I had to hard-reset it once already; I think I’m about ready to do that again. Any suggestions here? I’ve already asked @algernon 🙂 I’ll update this thread after I reset the board & confirm that it’s happy again. ---
**Author:** ![Benji](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.keyboard.io/benji/32/355_2.png) [@Benji](https://community.keyboard.io/u/Benji)\ **Post date:** [December 1, 2017, 2:04am UTC](https://community.keyboard.io/t/after-flashing-on-os-x-no-keypresses-sent/815/2 "2017-12-01T02:04:24Z")
Here’s output from the upload: ```auto Sketch uses 20888 bytes (72%) of program storage space. Maximum is 28672 bytes. Global variables use 1988 bytes (77%) of dynamic memory, leaving 572 bytes for local variables. Maximum is 2560 bytes. Low memory available, stability problems may occur. Forcing reset using 1200bps open/close on port /dev/cu.usbmodemCkbio01 PORTS {/dev/cu.Bluetooth-Incoming-Port, /dev/cu.usbmodemCkbio01, /dev/tty.Bluetooth-Incoming-Port, /dev/tty.usbmodemCkbio01, } / {/dev/cu.Bluetooth-Incoming-Port, /dev/cu.usbmodemCkbio01, /dev/tty.Bluetooth-Incoming-Port, /dev/tty.usbmodemCkbio01, } => {} PORTS {/dev/cu.Bluetooth-Incoming-Port, /dev/cu.usbmodemCkbio01, /dev/tty.Bluetooth-Incoming-Port, /dev/tty.usbmodemCkbio01, } / {/dev/cu.Bluetooth-Incoming-Port, /dev/tty.Bluetooth-Incoming-Port, } => {} PORTS {/dev/cu.Bluetooth-Incoming-Port, /dev/tty.Bluetooth-Incoming-Port, } / {/dev/cu.Bluetooth-Incoming-Port, /dev/cu.usbmodemkbio01, /dev/tty.Bluetooth-Incoming-Port, /dev/tty.usbmodemkbio01, } => {/dev/cu.usbmodemkbio01, /dev/tty.usbmodemkbio01, } Found upload port: /dev/cu.usbmodemkbio01 /Applications/Arduino.app/Contents/Java/hardware/tools/avr/bin/avrdude -C/Applications/Arduino.app/Contents/Java/hardware/tools/avr/etc/avrdude.conf -v -patmega32u4 -cavr109 -P/dev/cu.usbmodemkbio01 -b57600 -D -Uflash:w:/var/folders/2b/p4bk_ptx31n2578xq79ktnzc0000gn/T/arduino_build_602119/Model01-programmer-dvorak.ino.hex:i avrdude: Version 6.3, compiled on Jan 17 2017 at 12:01:35 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch System wide configuration file is "/Applications/Arduino.app/Contents/Java/hardware/tools/avr/etc/avrdude.conf" User configuration file is "/Users/ben/.avrduderc" User configuration file does not exist or is not a regular file, skipping Using Port : /dev/cu.usbmodemkbio01 Using Programmer : avr109 Overriding Baud Rate : 57600 AVR Part : ATmega32U4 Chip Erase delay : 9000 us PAGEL : PD7 BS2 : PA0 RESET disposition : dedicated RETRY pulse : SCK serial program mode : yes parallel program mode : yes Timeout : 200 StabDelay : 100 CmdexeDelay : 25 SyncLoops : 32 ByteDelay : 0 PollIndex : 3 PollValue : 0x53 Memory Detail : Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- eeprom 65 20 4 0 no 1024 4 0 9000 9000 0x00 0x00 flash 65 6 128 0 yes 32768 128 256 4500 4500 0x00 0x00 lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00 signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00 Programmer Type : butterfly Description : Atmel AppNote AVR109 Boot Loader Connecting to programmer: . Found programmer: Id = "CATERIN"; type = S Software Version = 1.0; No Hardware Version given. Programmer supports auto addr increment. Programmer supports buffered memory access with buffersize=128 bytes. Programmer supports the following devices: Device code: 0x44 avrdude: devcode selected: 0x44 avrdude: AVR device initialized and ready to accept instructions Reading | ################################################## | 100% 0.00s avrdude: Device signature = 0x1e9587 (probably m32u4) avrdude: reading input file "/var/folders/2b/p4bk_ptx31n2578xq79ktnzc0000gn/T/arduino_build_602119/Model01-programmer-dvorak.ino.hex" avrdude: writing flash (20888 bytes): Writing | ################################################## | 100% 2.74s avrdude: 20888 bytes of flash written avrdude: verifying flash memory against /var/folders/2b/p4bk_ptx31n2578xq79ktnzc0000gn/T/arduino_build_602119/Model01-programmer-dvorak.ino.hex: avrdude: load data flash data from input file /var/folders/2b/p4bk_ptx31n2578xq79ktnzc0000gn/T/arduino_build_602119/Model01-programmer-dvorak.ino.hex: avrdude: input file /var/folders/2b/p4bk_ptx31n2578xq79ktnzc0000gn/T/arduino_build_602119/Model01-programmer-dvorak.ino.hex contains 20888 bytes avrdude: reading on-chip flash data: Reading | ################################################## | 100% 1.31s avrdude: verifying ... avrdude: 20888 bytes of flash verified avrdude done. Thank you. ``` ---
**Author:** ![Benji](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.keyboard.io/benji/32/355_2.png) [@Benji](https://community.keyboard.io/u/Benji)\ **Post date:** [December 1, 2017, 2:52am UTC](https://community.keyboard.io/t/after-flashing-on-os-x-no-keypresses-sent/815/3 "2017-12-01T02:52:42Z")
Well, dang. I took the left enclosure off, and I’m pressing the reset button, but I can’t get my keyboard to work again at all. I’ve tried several different orders of operation for hitting the reset button, hitting the upload button, and hitting the prog button – it all comes to naught though. Procedure: 1. in Arduino GUI, go to File =\> Examples =\> Keyboard IO =\> Model 01 Firmware 2. With left enclosure removed, depress then release the little white button. The red light behind the prog button comes on. 3. Hit the right-arrow in arduino UI that means 'upload’ The red light for the prog key goes out; the blue light under the LED key goes on briefly, then goes off. about another 1min goes by, ending with `the selected serial port does not exist or your board is not connected`. Complete output from upload: ```auto Sketch uses 18972 bytes (66%) of program storage space. Maximum is 28672 bytes. Global variables use 1941 bytes (75%) of dynamic memory, leaving 619 bytes for local variables. Maximum is 2560 bytes. Low memory available, stability problems may occur. Forcing reset using 1200bps open/close on port /dev/cu.usbmodemCkbio01 PORTS {/dev/cu.Bluetooth-Incoming-Port, /dev/cu.usbmodemCkbio01, /dev/tty.Bluetooth-Incoming-Port, /dev/tty.usbmodemCkbio01, } / {/dev/cu.Bluetooth-Incoming-Port, /dev/cu.usbmodemCkbio01, /dev/tty.Bluetooth-Incoming-Port, /dev/tty.usbmodemCkbio01, } => {} PORTS {/dev/cu.Bluetooth-Incoming-Port, /dev/cu.usbmodemCkbio01, /dev/tty.Bluetooth-Incoming-Port, /dev/tty.usbmodemCkbio01, } / {/dev/cu.Bluetooth-Incoming-Port, /dev/tty.Bluetooth-Incoming-Port, } => {} PORTS {/dev/cu.Bluetooth-Incoming-Port, /dev/tty.Bluetooth-Incoming-Port, } / {/dev/cu.Bluetooth-Incoming-Port, /dev/cu.usbmodemCkbio01, /dev/tty.Bluetooth-Incoming-Port, /dev/tty.usbmodemCkbio01, } => {/dev/cu.usbmodemCkbio01, /dev/tty.usbmodemCkbio01, } Found upload port: /dev/cu.usbmodemCkbio01 /Applications/Arduino.app/Contents/Java/hardware/tools/avr/bin/avrdude -C/Applications/Arduino.app/Contents/Java/hardware/tools/avr/etc/avrdude.conf -v -patmega32u4 -cavr109 -P/dev/cu.usbmodemCkbio01 -b57600 -D -Uflash:w:/var/folders/2b/p4bk_ptx31n2578xq79ktnzc0000gn/T/arduino_build_182967/Model01-Firmware.ino.hex:i avrdude: Version 6.3, compiled on Jan 17 2017 at 12:01:35 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch System wide configuration file is "/Applications/Arduino.app/Contents/Java/hardware/tools/avr/etc/avrdude.conf" User configuration file is "/Users/ben/.avrduderc" User configuration file does not exist or is not a regular file, skipping Using Port : /dev/cu.usbmodemCkbio01 Using Programmer : avr109 Overriding Baud Rate : 57600 AVR Part : ATmega32U4 Chip Erase delay : 9000 us PAGEL : PD7 BS2 : PA0 RESET disposition : dedicated RETRY pulse : SCK serial program mode : yes parallel program mode : yes Timeout : 200 StabDelay : 100 CmdexeDelay : 25 SyncLoops : 32 ByteDelay : 0 PollIndex : 3 PollValue : 0x53 Memory Detail : Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- eeprom 65 20 4 0 no 1024 4 0 9000 9000 0x00 0x00 flash 65 6 128 0 yes 32768 128 256 4500 4500 0x00 0x00 lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00 signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00 Programmer Type : butterfly Description : Atmel AppNote AVR109 Boot Loader Connecting to programmer: .avrdude: butterfly_recv(): programmer is not responding avrdude: butterfly_recv(): programmer is not responding avrdude: butterfly_recv(): programmer is not responding avrdude: butterfly_recv(): programmer is not responding avrdude: butterfly_recv(): programmer is not responding avrdude: butterfly_recv(): programmer is not responding Found programmer: Id = ""; type = ( Software Version = .�; Hardware Version = . avrdude: butterfly_recv(): programmer is not responding avrdude: butterfly_recv(): programmer is not responding avrdude: error: buffered memory access not supported. Maybe it isn't a butterfly/AVR109 but a AVR910 device? avrdude: initialization failed, rc=-1 Double check connections and try again, or use -F to override this check. avrdude: butterfly_recv(): programmer is not responding avrdude: error: programmer did not respond to command: leave prog mode avrdude: butterfly_recv(): programmer is not responding avrdude: error: programmer did not respond to command: exit bootloader avrdude done. Thank you. the selected serial port does not exist or your board is not connected ``` and yet, i can’t send keypresses; the one thing that seems to work is changing LED mode. How can I get back to factory state? I saw @jesse’s thread [Flashing problem on Ubuntu (SOLVED)](https://community.keyboard.io/t/flashing-problem-on-ubuntu-solved/628/13?u=benji) but that is both off the cuff and perhaps linux specific. I’m using OS X 10.13.1. ---
**Author:** ![jesse](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.keyboard.io/jesse/32/361_2.png) [@jesse](https://community.keyboard.io/u/jesse)\ **Post date:** [December 1, 2017, 3:00am UTC](https://community.keyboard.io/t/after-flashing-on-os-x-no-keypresses-sent/815/4 "2017-12-01T03:00:30Z")
> [@Benji](#): > > and yet, i can’t send keypresses; the one thing that seems to work is changing LED mode. Did you pull Arduino-Boards with git or are you using the Arduino ‘boards manager’? ---
**Author:** ![Benji](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.keyboard.io/benji/32/355_2.png) [@Benji](https://community.keyboard.io/u/Benji)\ **Post date:** [December 1, 2017, 3:40am UTC](https://community.keyboard.io/t/after-flashing-on-os-x-no-keypresses-sent/815/5 "2017-12-01T03:40:17Z")
Ah, I forgot I had pulled a ton of different stuff along the way of trying to get @algernon’s layout to build! I removed all of that and now my keyboard is back to running my own layout well! Hooray! Okay, so now I know I can get back to my good state. Thanks, @jesse! I’ll try @algernon’s setup again after I get my homework done for this week 😉 ---
**Author:** ![jesse](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.keyboard.io/jesse/32/361_2.png) [@jesse](https://community.keyboard.io/u/jesse)\ **Post date:** [December 1, 2017, 3:41am UTC](https://community.keyboard.io/t/after-flashing-on-os-x-no-keypresses-sent/815/6 "2017-12-01T03:41:48Z")
I suspect that what really happened was that you got the benefit of me having merged fixes for some stuff that badly broke OSX. 😉 But happy to hear that it’s behaving now.