razzor/twiboot
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34 Commits 2 Branches 6 Tags 102 KiB
b60a0fe735
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3 Commits

Author SHA1 Message Date
Olaf Rempel
b60a0fe735 Simplify ACK handling 
TWEA bit in TWCR register needs to be cleared to send NACK.
Clear it when too many bytes were received, re-enable it after
when going idle.

Add missing state for prev. send NACK.
Catch all invalid states and reset bus.

TWINT bit needs to be set every time in ISR.
 2019-11-06 13:18:53 +01:00
Olaf Rempel
eee017dedf Split TWI handling into read/write functions 2019-11-06 13:18:53 +01:00
Olaf Rempel
f4ef7a7b1e Update code style 
Update indention to spaces
Fix comments
Add README.md and GPL-2 LICENSE files
 2019-11-06 13:18:53 +01:00