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MCP4922 - Controlling DAC w/ LabVIEW

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Does anyone have experience controlling these sorts of chips with LabVIEW? I seem to be having issues when writing out the config and data bits to my chip. Every other oin has been tested and seems to be working properly within the program. I was initally trying to do this using an I32 array of data but switched to a digital waveform and I am now having buffer problems. I have looked into the SPI library provided by NI and found it unhelpful. This chip is SPI compatible, but does not provide handshaking. Any help wold be greatly appreciated. I have attached the code. Thanks in advance,

 

Tyler


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