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Original question:
Hello,
The only available source code for the ADS1278 is included in the evaluation board plug-in, ADS1278EVM-PDK-SW. You can download it from the ADS1278EVM-PDK web page. Please note that this software is not supported.
https://www.ti.com/tool/ADS1278EVM-PDK
After installing the download package to the default directory, you can find the source code here:
C:\Program Files (x86)\ADCPro\plugins\evm\ADS1278\source
The ADS1278EVM LabVIEW source.zip file includes both the LabVIEW VI's as well as the C source code that runs on the TMS320VC5507PGE processor.
In general, the ADS1278 is one of the easier devices to get working with an MCU. There are no registers to configure in the ADS1278; configuration is done in hardware. Thus, the device is a read only device.
The host MCU SPI port should be configured as the controller. You can either pole the /DRDY pin or use it to trigger an interrupt to clock out data. Once data is ready (/DRDY goes from high to low), you can clock the data out. The ADS1278 shifts out data on DOUT on the falling edge of SCLK and your host CPU can capture this data on the rising edge of SCLK.
Regards,
Keith Nicholas
Precision ADC Applications
