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SC16IS750 Start/Stop Bits

Question asked by John McLaughlin on Jul 30, 2019
Latest reply on Jul 31, 2019 by Lisette Paulina Lozano Gomez

I have a setup where I have software running on a Green Hills INTEGRITY-178B RTOS, which talks to a number of I2C slaves over a serial port, which uses the SC16IS750 to convert serial data to I2C.


My question is, how do I create the start and stop bits needed to create an accurate I2C message? The application is written in C++, and I only know how to create a message buffer in bytes. So clearly, the first byte has to include the start bit, and the last byte has to include the stop bit. What should those bytes be?