protected byte[] Handle(I2cQuery query)
{
var address = query.Address;
var bufferSize = query.BufferSize;
byte[] initializeWrite = null;
if (query.ContainsProperty(MessageProperties.Initialize))
{
initializeWrite = query.Initialize;
}
try
{
var result = new byte[bufferSize];
if (initializeWrite != null)
{
_nativeI2CBus.WriteRead(address, initializeWrite, result);
}
else
{
_nativeI2CBus.Read(address, result);
}
return(result);
}
catch (Exception exception)
{
Logger.LogWarning(exception, $"Error while accessing I2C device with address {address}. {exception.Message}");
return(Array.Empty <byte>());
}
}
private async Task <byte[]> ReadFromBus()
{
var query = I2cQuery.Create(_i2cAddress, _driver.GetReadTable(), _driver.BufferSize);
var result = await MessageBroker.QueryService <I2cQuery, byte[]>(query);
return(result);
}