Manual

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DOC101681-1- rev.2
3
8 and 13" DIS DDC Control
All intellectual properties belongs to Hatteland Display AS
Index of page
1. General Description ............................................................................................................... 4
2. Block Diagram ........................................................................................................................ 4
 Monitor Inside Block Connect ...................................................................................... 4
 Monitor outside Block Connect .................................................................................... 4
3. Communicate List .................................................................................................................. 5
3.1. DDC/CI communicate flowchart description ............................................................. 5
 Set VCP Feature ..................................................................................................... 5
 Get VCP Feature and VCP Feature Reply ............................................................. 5
3.2. DDC/CI Standard Command........................................................................................ 6
3.2.1. VCP Code: 0x03 Soft Controls .......................................................................... 7
3.2.2. VCP Code: 0x04 Restore Factory Defaults ...................................................... 7
3.2.3. VCP Code: 0x10 Black Level Control ............................................................... 7
3.2.4. VCP Code: 0x12 Contrast Control .................................................................... 7
3.2.5. VCP Code: 0x13 Back Light Control ................................................................ 8
3.2.6. VCP Code: 0x14 Color Mode ............................................................................. 8
3.2.7. VCP Code: 0x1E Auto Setup (Analog support only) ....................................... 8
3.2.8. VCP Code: 0x60 Input source ........................................................................... 9
3.2.9. VCP Code: 0xC0 Display Usage Time .............................................................. 9
3.2.10. VCP Code: 0xC8 Display Controller Type ( TBD ) ....................................... 10
3.2.11. VCP Code: 0xCC OSD Language .................................................................. 10
3.2.12. VCP Code: 0xDF VCP Version ...................................................................... 11
3.2.13. VCP Code: 0xFD Model Identity.................................................................... 11
Monitor main board identity table: .................................................................................. 11
3.3. DDC/CI Manufacture Specific Command ( 0xF3 Watchdog Function ) ................. 13
3.3.1. Sub-Function: 0x00 Watchdog firmware version .......................................... 13
3.3.2. Sub-Function: 0x01 Watchdog mode name................................................... 14
3.3.3. Sub-Function: 0x03 Watchdog model identity .............................................. 14
Watchdog board DIS identity table:................................................................................. 15
3.3.4. Sub-Function: 0x10 Back Light Inverter ON/OFF .......................................... 15
3.3.5. Sub-Function: 0x11 Back Light Adjustment .................................................. 15
3.3.6. Sub-Function: 0x15 Back Light PWM output value setting. ......................... 16
3.3.7. Sub-Function: 0x20 Watchdog Monitor Enable ON/OFF .............................. 16
3.3.8. Sub-Function: 0x21 Watchdog Monitor Enable Wait Time ........................... 16
3.3.9. Sub-Function: 0x22 Watchdog Monitor Count Reset ................................... 17
3.3.10. Sub-Function: 0x24 ALARM Reset ............................................................... 17
3.3.11. Sub-Function: 0x25 ALARM Fault Test ........................................................ 17
3.3.12. Sub-Function: 0x26 ALARM Sound OFF...................................................... 17
3.3.13. Sub-Function: 0x27 ALARM ACK ................................................................. 18
3.3.14. Sub-Function: 0x28 ALARM I/O status ........................................................ 18
3.3.15. Sub-Function: 0x30 Pad LED ON/OFF ......................................................... 19
3.3.16. Sub-Function: 0x31 Pad LED Dimming Control .......................................... 19
3.3.17. Sub-Function: 0x32 Pad LED Dimming Control Adjust follow Back Light 19
3.3.18. Sub-Function: 0x38 Ambient Light Sensor .................................................. 20
3.3.19. Sub-Function: 0x39 Ambient Light Sensor Range ...................................... 20
3.3.20. Sub-Function: 0x40 – 0x4C Computer state ................................................ 21
4. Implementation ...................................................................................................................... 24