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STM: I2C: Configure pins in OpenDrainNoPull by default (no pullup) #5113
As reported by MBED user Fran6Jack:
Up to now, this I2C driver was setting pull up by default as it helps
Question / open point
After this change, any test or example that was working when simply plugging 2 wires between SDA and SCL pins of 2 boards will not work anymore. There is a need to add external pul-ups - is this fullay acceptable for everyone ?
If not, there is a need for introduction of a new mode interface in I2C class.