S3c2410x Delta Driver - Better | -vis On
Delta Electronics utilizes specialized chipsets in their older DOP-B Series Human-Machine Interfaces and text panels. When programming or flashing firmware via a USB connection, the PC requires a specific translation layer to communicate with the S3C2410X bootloader (often referred to as Supervivi). Root Causes of Connection Failures
| Command | Purpose | |---------|---------| | DELTA_SET_THRESHOLD | Set pixel difference threshold (0–255). | | DELTA_SET_SENSITIVITY | Define minimum number of changed pixels to trigger motion. | | DELTA_GET_MOTION_STATUS | Returns motion detected (true/false) + changed pixel count. | | DELTA_SET_REFERENCE_FRAME | Capture current frame as reference. |
USB\VID_6471&PID_0222 (Found on systems using the "@vis" driver variant)
Determines the Phase-Locked Loop output frequencies for the CPU core clock (FCLK), high-speed AHB bus clock (HCLK), and low-speed APB peripheral clock (PCLK). -vis On S3c2410x Delta Driver -
Delta DOP-B HMIs, Mini2440 Development Boards, TP Series Controllers Samsung S3C2410X (32-bit ARM9 Core) Identified USB Hardware IDs USB\VID_6471&PID_0222 , USB\VID_5345&PID_1234 Supported OS Environments
If the @vis on S3C2410X error appears when connecting a Delta HMI, follow this checklist. Begin with the simplest, most reliable fixes before considering more complex ones.
| Issue | Likely Cause | Fix | | :--- | :--- | :--- | | | Clock glitches on the Delta CLK line | Add a 10ns debounce filter in the ISR; use a Schmitt trigger input on the GPIO. | | Missed interrupts | IRQ latency too high (S3C2410X ~200 cycles) | Mark the ISR as IRQF_NO_THREAD ; move decimation to a tasklet. | | Video tearing | Delta updates corrupt LCDC DMA fetch | Use double-buffering; ensure Delta DMA priority is lower than LCDC DMA in the BWSCON register. | | | DELTA_SET_SENSITIVITY | Define minimum number of
drivers/media/video/s3c2410/ ├── s3c2410_delta.c # Main delta driver ├── s3c2410_delta.h # Register definitions & private data └── s3c2410_camif.c # Parent camera interface (with delta hooks)
Older variants of these operator panels utilized the S3C2410X chip architecture for low-power UI processing.
The within the VIS is the data path engine that: | USB\VID_6471&PID_0222 (Found on systems using the "@vis"
The core reason engineers search for this driver is a compatibility gap. The original USB drivers provided by chip vendors were written primarily for 32-bit operating systems like and Windows Vista .
Below is a practical skeleton for a loadable module targeting a 2.6.32 kernel (still used in many legacy S3C2410X products).
The official Screen Editor software from Delta includes USB drivers designed to communicate with the HMI's S3C2410X processor. However, for legacy compatibility reasons, these drivers are not always automatically installed by the Windows Plug and Play system on newer operating systems.
Click and point the file navigator directly to the folder containing your unzipped driver package (such as the Supervivi or Delta TP/DOP USB driver directory).
Debugging the -vis Delta driver on the S3C2410X requires rigorous methodology due to the lack of advanced debuggers.