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Digilent Atlys Board: Switches, Buttons and Status LEDs
Tim Ansell edited this page Apr 20, 2014
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This information is copied from the Status LEDs, Push buttons and Jumpers section in the "HDMI2USB - Developers Guide" document". Make sure they are kept in sync!
Button | Description |
---|---|
BTNU (N4) | Selects HDMI 0 as output. |
BTNL (P4) | Selects HDMI 1 as output. |
BTNR (F6) | ??? |
BTND (P3) | Selects test pattern as output. |
BTNC (F5) | If pressed emulates display connection to read edid structure. |
???
- Resolution mode - 720p or 1024x768
- UVC output mode - RAW or MJPEG
LED | Description |
---|---|
LED0 | Indicates HDMI 0 input is connected. |
LED1 | Indicates HDMI 1 input is connected. |
LED2 | If on then UVC is MJPEG if off then output is RAW. |
LED3 | Flab B (Full Flag) of cypress USB device. |
LED4 | Flab C (Empty Flag) of cypress USB device. |
LED5 | SLWR signal to cypress USB device. |
LED7:6 | Combination of LED7 and 6 tells which input source is selected as output to HDMI matrix and USB. |
- LED0 should be on if a HDMI source is connected to HDMI port 0.
- LED1 should be on if a HDMI source is connected to HDMI port 1.
- LED2 - ???
- LED3 should remain off at all times when USB is capturing.
- LED4 should be DIM when USB is capturing.
- LED5 - ????
LED7, LED6 | Selected Input |
---|---|
Off, Off | HDMI 0 |
Off, On | HDMI 1 |
On, Off | Reserved (for VGA extension board) |
On, On | Test pattern |