VISA read where you don't know the number of bytes?

I work with a VISA resource via the USB port that reads in the results of printf (% lu % TSP %d)) of a microcontroller. These results are as ASCII numbers, their length in bytes is unknown. Numbers * should * be not more than 3 digits, but I can't know that for sure. Reading VISA won't let me the number of bytes unwired, so should I join just a high constant let him? Or is there a better way?

1. do you have the microcontroller send a character to end of line (0xA on the ASCII table) at the end of the printf.

2. turn the stop of the session VISA character and the value it is 0xA.  You may need to perform this task via the VISA property node.

3. playback VISA to read more bytes than you tell never expect to get.  VISA playback will stop reading when it detects the termination character (End Of Line).

Tags: NI Software

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