Modification de la résolution via le fichier : /boot/octopi.txt

camera_raspi_options="-x 320 -y 240 -fps 10 -quality 80"  # Pas mieux pour passer par le wifi :(( -> compression MJPEG de merde!

Quelques exemples de conf : https://github.com/PrusaMK2Users/MK2_Tips_and_Tricks/wiki/OctoPrint-Webcam-Setup

Puis redémarrer webcamd : sudo service webcamd restart

Toutes les résolutions possibles :

Source : Lien

Compression h264 possible ?? : http://lektiondestages.blogspot.com/2016/12/stream-hardware-encoded-h264-video-from.html

Support à imprimer : https://www.thingiverse.com/thing:2875976/files

Preheat button
Eeprom marlin editor
Print History
Psu Control → https://youtu.be/dQNBeAZpRmk

Modification de la résolution via le fichier : /boot/octopi.txt

camera_raspi_options="-x 320 -y 240 -fps 10 -quality 80"  # Pas mieux pour passer par le wifi :(( -> compression MJPEG de merde!

Quelques exemples de conf : https://github.com/PrusaMK2Users/MK2_Tips_and_Tricks/wiki/OctoPrint-Webcam-Setup

Puis redémarrer webcamd : sudo service webcamd restart

Toutes les résolutions possibles :

Source : Lien

Compression h264 possible ?? : http://lektiondestages.blogspot.com/2016/12/stream-hardware-encoded-h264-video-from.html

Support à imprimer : https://www.thingiverse.com/thing:2875976/files

Preheat button
Eeprom marlin editor
Print History
Psu Control → https://youtu.be/dQNBeAZpRmk

[Fri Aug 24 02:46:43 2018] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - urb stopped: -32
[Fri Aug 24 02:46:43 2018] ch341-uart ttyUSB0: usb_serial_generic_read_bulk_callback - urb stopped: -32
[Fri Aug 24 02:46:44 2018] usb 1-1.3: USB disconnect, device number 4
[Fri Aug 24 02:46:44 2018] usb 1-1.3: failed to send control message: -19
[Fri Aug 24 02:46:44 2018] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[Fri Aug 24 02:46:44 2018] ch341 1-1.3:1.0: device disconnected
[Fri Aug 24 02:46:44 2018] usb 1-1.3: new full-speed USB device number 5 using dwc_otg
[Fri Aug 24 02:46:44 2018] usb 1-1.3: New USB device found, idVendor=1a86, idProduct=7523
[Fri Aug 24 02:46:44 2018] usb 1-1.3: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[Fri Aug 24 02:46:44 2018] usb 1-1.3: Product: USB2.0-Serial
[Fri Aug 24 02:46:44 2018] ch341 1-1.3:1.0: ch341-uart converter detected
[Fri Aug 24 02:46:44 2018] usb 1-1.3: ch341-uart converter now attached to ttyUSB0

Voir https://github.com/raspberrypi/linux/issues/1187
La diminution du baud rate : KO
Limit USB speed to full speed 12Mbps (USB 1.1) : dans /boot/cmdline.txt valeur dwc_otg.speed=1 → Passage en usb1.1 : KO

[Wed Aug 29 19:19:11 2018] usb 1-1.5: USB disconnect, device number 4
[Wed Aug 29 19:19:11 2018] usb 1-1.5: failed to send control message: -19
[Wed Aug 29 19:19:11 2018] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[Wed Aug 29 19:19:11 2018] ch341 1-1.5:1.0: device disconnected
[Wed Aug 29 19:19:11 2018] usb 1-1.5: new full-speed USB device number 5 using dwc_otg
[Wed Aug 29 19:19:11 2018] usb 1-1.5: New USB device found, idVendor=1a86, idProduct=7523
[Wed Aug 29 19:19:11 2018] usb 1-1.5: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[Wed Aug 29 19:19:11 2018] usb 1-1.5: Product: USB2.0-Serial
[Wed Aug 29 19:19:11 2018] ch341 1-1.5:1.0: ch341-uart converter detected
[Wed Aug 29 19:19:11 2018] usb 1-1.5: ch341-uart converter now attached to ttyUS0

D'autres pistes à creuser :

• Pas certain que le Rpi soit en cause pour ce cas. A voir pour tester une autre carte arduino → Chip CH340G foireux?
• Voir si mon relais de plateau ne balance pas trop de cochonneries (à mesurer donc et mettre un Snubber pour corriger si nécessaire) : Cyrob - Snubber

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