Serialport Warning - Unable to Read All Data

These remedies apply to the case when you receive some data and you get this warning message:

'serialport' unable to read all requested data.

When using the serialport interface for:

• Reading binary data using the read function

These are possible causes and remedies:

Cause	Solution
The number of values to read was set to a higher value than what was available to be read.	Set the number of values to read using the input argument count on the read function. For information about setting the number of values to read, see read.
Device did not send all the requested data.	Check your device connection. For more information about troubleshooting configuration and connection, see Troubleshooting Serial Port Interface.
There was a data format mismatch.	Verify that the device data format matches the specified read format. Data format is set using the input argument precision on the read function. For more information about supported precisions, see read.

More Troubleshooting Help

For more information about troubleshooting the Serial interface, including supported platforms, adaptor requirements, configuration and connection, and other troubleshooting tips, see Troubleshooting Serial Port Interface.