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move timout handling into its own function
change timeout from milliseconds to microseconds
don't forget operating slave address or the bitrate when we reset because of a timeout
Co-Authored-By: Witold Markowski <witold.a.markowski@gmail.com>
fix delay datatype uint16_t --> uint32_t
Update libraries/Wire/src/utility/twi.c
fix mix up using TWBR instea of TWAR!
Co-Authored-By: Matthijs Kooijman <matthijs@stdin.nl>
Update libraries/Wire/src/utility/twi.c
fix 2nd TWBR/TWAR mixup
Co-Authored-By: Matthijs Kooijman <matthijs@stdin.nl>
twi_stop() should use the same timeout as everywhere else
all while loops are now protected by timeouts
Revert "twi_stop() should use the same timeout as everywhere else"
This reverts commit 68fe5f1dae1bb41183bb37eeda3fb453394a580c.
make timeout counter volatile
rename timeout function for improved clarity
- resetting the twi interface on timeouts is now optional
- timeouts in the ISR are no longer hardcoded and now obey the set timeout value
- a user-readable flag is now set whenever a timeout occurs
- the user can clear this flag whenever they like
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Added __attribute__ ((fallthrough));
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Fixes that more complex methods (like Stream::print(float)) do not work properly.
Without this fix, Wire.print(1.01f); results in '1' because Print::printFloat(double, uint8_t) performs multiple print() and therefore twi_transmit calls. Also Wire.println("Heyho"); results only in a newline character.
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Move TWBR register from Wire.cpp to twi.c file.
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