![]() Wire. Serial.begin(115200) // start serial for debug output We use alternate SCL pin = 1, SDA pin =2 Wire.bindDriver(&alternative_I2C) // This instructs to use other pins than default I2CDriver alternative_I2C(SCL_PIN, SDA_PIN) User can release channel and other occupied resources using end() method.Īlso, another one channel is engaged for the time of data transmission.Īll Wire objects have the following methods supported: Once that message is received, it can then be viewed in the Arduino Software (IDE) serial monitor window. Arduino 1, the Controller, is programmed to request, and then read, 6 bytes of data sent from the uniquely addressed Peripheral Arduino. Note, any Wire object uses one DMA channel for data receiving. Several functions of Arduino's Wire Library are used to accomplish this. Until this moment Wire is able to operate in master mode only. It it not enough for your task please bind custom buffer by means of begin() method. Note, by default Wire uses 32 bytes size received buffer. Default pins can be changed during I2C initialization, but they should be in fast mode pin range: Wire(Wire0) - i2c on SCL(9) and SDA(10) pins (default).Z-Uno boards have the following I2C interfaces: Other pin range can be selected using ZUNO_REMAP_SPINS() This library allows you to communicate with I2C devices. Wire Library Implements I2C on Z-Uno pins 9–16.
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