ADS1299 Dev Board from TI I try to connect to an Arduino Portenta H7. Library for Portenta H7 with ADS1299. Raspberry Pi Pico library for ADS1299 I am using as reference. Driver for Raspberry Pi Pico was made using this library.
The issues has been resolved , use this driver for ADS1299 with Portenta h7 via SPI for any refernce while using SPI with portenta: My Portenta H7 Driver for ADS1299