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felias-fogg / SoftI2CMaster

Software I2C Arduino library
GNU General Public License v3.0
368 stars 100 forks source link

MCU hangs up when trying to use with an ATTINY828 #45

Closed MatCat closed 4 years ago

MatCat commented 5 years ago

Tried to use this library on an ATTINY828, hangs on i2c_start function.

felias-fogg commented 5 years ago

I haven’t tested it on the ATtiny828 and never heard about it. This must be a recent MCU, right?

Hanging in the i2c_start procedure means usually that the two signal lines are tied to ground or floating.

Best, Bernhard

Am 30.07.2019 um 21:18 schrieb MatCat notifications@github.com:

Tried to use this library on an ATTINY828, hangs on i2c_start function.

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MatCat commented 5 years ago

Both I2C lines are pulled up with 4.7k