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:
读二进制数据使用
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 argumentcount on theread function. For information about setting the number of values to read, seeread . |
Device did not send all the requested data. | Check your device connection. For more information about troubleshooting configuration and connection, seeTroubleshooting 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 argumentprecision on theread function. For more information about supported precisions, seeread . |
More Troubleshooting Help
For more information about troubleshooting the Serial interface, including supported platforms, adaptor requirements, configuration and connection, and other troubleshooting tips, seeTroubleshooting Serial Port Interface.