![]() ![]() To initialise the I2C layer, on mbed you call the following providing the I2C object to use: void ioaWireBegin(I2C* pI2cToUse) įor Arduino boards you would call the following to use the Wire default: void ioaWireBegin() It works on a very wide range of boards without needing code changes. Be aware that this is not a complete replacement for Wire/I2C, it is a simple set of calls for reading and write from I2C where the device is master. For example the default wire type on Arduino would be &Wire. We wrap up the wire object with WireType which on Arduino it is a TwoWire pointer and on mbed it is an I2C pointer. Prior to 2.0, we had conditional I2C code scattered around the project, but now nearly all such functionality is separated out by platform, and sometimes even by board, we’ve made this available through the API, so you can use it too. IoAbstraction 2.0 onwards has core I2C/Wire functionality provided by several functions, these abstract the use of I2C over Arduino and mbed, and over time the implementation of these will be improved, such that asynchronous behaviour will be possible on certain boards.
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