https://piot5.github.io/devs_log/tags/low-level-hardware/Recent content in Low-level Hardware on Dev's LogHugo -- gohugo.ioen-usThu, 05 Mar 2026 00:00:00 +0000https://piot5.github.io/devs_log/posts/chapter-two-talking-to-the-silicon/Thu, 05 Mar 2026 00:00:00 +0000https://piot5.github.io/devs_log/posts/chapter-two-talking-to-the-silicon/Software-side display management (resolution and position) is only half the battle. To truly control a workspace, we need to talk to the monitor’s internal firmware. This is where DDC/CI (Display Data Channel Command Interface) comes into play. 1. The Physical Monitor Bridge In Windows, a “Logical Monitor” (GDI) is not the same as a “Physical Monitor” (The actual plastic and glass hardware). As seen in ddc.rs, we must first bridge this gap using the GetPhysicalMonitorsFromHMONITOR API.