Wire library i2c5/28/2023 WriteState = Wire.endTransmission(false) The bus will be held indefinitely until the slave replies with an ACK. If false, the master holds the bus and does a repeated start with the next piece of data/Write. If true, the transmission ends with a "Stop" Arduino Wire.endTransmission(Stop Boolean) now has a Boolean to keep the line open. The top capture254 is the what I have discussed above, the bottom Capture256 is Arduino.Īs I understand it. So when another processor communicates with it on the I2C bus, the master has to hold the line and keep trying until an ACK is received. This means it is not listening while it is doing other work, it listens periodically. ![]() This microprocessor does not have inbuilt I2C, it uses soft I2C. I am trying to communicate with an old microprocessor via I2C (2Wire). ![]() Please don't hesitate to tell me if I am barking up the wrong tree.
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