Description: I am currently working on an MQTT application using the nRF7002-DK chipset for communication with the AWS IoT Core. In the course of development, I've encountered a challenge where I'm running out of onboard Primary RAM, which is limited to 512KB. To address this issue and enhance the system's memory capabilities, I am interested in expanding the Primary RAM with an external PSRAM (Pseudo Static RAM) connected to the SPI port.
I am seeking guidance, support, or information on how to integrate PSRAM with the nRF7002-DK chipset and Zephyr OS, particularly any resources or driver files related to this specific configuration.
Specific Questions:
- What is the recommended PSRAM module for use with the nRF7002-DK and Zephyr OS?
- Are there any example driver files or code snippets available for integrating PSRAM with the nRF7002-DK chipset in Zephyr?
- Could you provide guidance or best practices on configuring and utilizing the PSRAM within the Zephyr OS environment?
- Are there any known challenges or limitations when integrating PSRAM with the nRF7002-DK for this application.