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Apparent hang in AVR TWI communications when display absent #145

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commodoretim opened this issue May 11, 2022 · 0 comments
Open

Apparent hang in AVR TWI communications when display absent #145

commodoretim opened this issue May 11, 2022 · 0 comments
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@commodoretim
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Aleksei, thank you for the ssd1306 library. Very capable and useful!

There appears to be a hang in the AVR TWI communications when a display is absent e.g. disconnected from the microcontroller. Removing one line, referenced below, which increments an iteration counter that is meant to decrement, solves the issue for me.

ssd1306/src/intf/i2c/ssd1306_i2c_twi.c

Line 79 in a962410

iters++;

Gratefully,
Tim
@lexus2k lexus2k added the bug label May 17, 2022
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@commodoretim @lexus2k