ADC Read

Sample application to read data from ADS1256

Build

mkdir build && cd build
cmake <source-dir>
make 

Documentation

mkdir build && cd build
cmake -DENABLE_API_DOCUMENTATION=ON <source-dir>
make doxygen

use simple python http server to view it in browser

python -m http.server 8000 --directory <build>/html

Usage

./adcr --help
AD1256 differential analog input test application
Usage: ./adcr [OPTIONS]

Options:
-h,--help                   Print this help message and exit
-g,--gain UINT              ADC Gain
-r,--sampling_rate UINT     ADC Sampling rate

Sample output

./adcr
1614453497, 0.636000, 0.636295, 0.636784 
1614453497, 0.637372, 0.637935, 0.638310 
1614453497, 0.638204, 0.637800, 0.637183 
1614453497, 0.636552, 0.635921, 0.635392 
1614453497, 0.625086, 0.634682, 0.625250 
1614453497, 0.625824, 0.636266, 0.636976 
1614453497, 0.637468, 0.637784, 0.638212 

Links

• https://www.ti.com/product/ADS1256
• https://www.ti.com/lit/gpn/ads1256
• https://www.waveshare.com/wiki/High-Precision_AD/DA_Board