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projekte:usb-midi-controller
Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
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projekte:usb-midi-controller [2014-12-05 03:15] root [Communication] |
projekte:usb-midi-controller [2014-12-07 00:00] (aktuell) |
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| Zeile 8: | Zeile 8: | ||
| * Uses the USI as I2C to communicate with the master | * Uses the USI as I2C to communicate with the master | ||
| * Possibly replace the ATtiny with some cheap ATmega or some other MCU with multi-master I2C, 1 at least 7-bit ADC, and a free GPIO pin to get around having to use USI :) | * Possibly replace the ATtiny with some cheap ATmega or some other MCU with multi-master I2C, 1 at least 7-bit ADC, and a free GPIO pin to get around having to use USI :) | ||
| + | * Update: The USI is an ungodly mess. "Here's a shift register and half a counter, have fun." I've probably poured 15 hours of work into this, but I'm definitely switching. Probably to the cheapest ATmega I can find. | ||
| * Clients are daisy-chainable, see [[projekte:usb-midi-controller#Communication]] | * Clients are daisy-chainable, see [[projekte:usb-midi-controller#Communication]] | ||
| - | |||
| ===== Communication ===== | ===== Communication ===== | ||
| * The host device acts as a slave and has address 1, all clients are I2C masters | * The host device acts as a slave and has address 1, all clients are I2C masters | ||
projekte/usb-midi-controller.1417745729.txt.bz2 · Zuletzt geändert: 2014-12-05 00:00 (Externe Bearbeitung)
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