I currently have the DLP evaluation module set up and controlled by a Raspberry Pi 4B, according to the setup guidelines in the manual.
I want the Pi to display its screen simultaneously through the EVM and through a monitor attached to the HDMI port of the Pi.
From my understanding, it's the python scripts in section 9.3 of the "dlpu103a.pdf" users guide is what controls this, specifically, init_fpdlink_mode.py and the init_parallel_mode.py, which I'm currently using when activating the EVM on the Pi.
Are there modifications to those scripts that would still activate output through the EVM projector, but maintain the same output through the HDMI port? My understanding of how the code works is not even close to strong enough to know how to approach this myself. Maybe this also requires modification to the GPIO overlays and config.txt file in section 9.1 of the same user guide?
For a better understanding of my project, I'm using the EVM for a proof-of-concept prototype, where we will use the Pi to control the DMD mirrors and evaluation module LEDs, like by displaying different colored images with the Pi. However we won't be able to navigate the Pi GUI without a second display, since the evaluation module will be partially disassembled and modified for these tests, and therefore not projecting an image. Hence, that's why simultaneously displaying though and HDMI monitor and the DLP module is important.