Command Block Format; Simplifi Ed Command - Sony VPL-VW95ES Protocol Manual

3-6. Command Block Format

The block format of Simplifi ed Command for RS-232C as shown in the Fig. 1-1. In this section, the block
format for Simplifi ed Command is provided.
3-6-1. Simplifi ed Command
[Send]
The block format for sending request is shown below.
B0
START CODE
B1
ITEM NUMBER
B2
TYPE
B3
B4
DATA
B5
B6 CHECK SUM
B7
END CODE
[Receive (without data)]
The block format for response which includes no return data is shown below. Response is always sent by
PROJECTOR.
B0 START CODE
B1
ACK / NAK
B2
B3 TYPE
B4
DUMMY DATA
B5
B6
CHECK SUM
B7
END CODE
[Receive (with data)]
The block format for response which includes return data is shown below. Response is always sent by
PROJECTOR.
B0 START CODE
B1
ITEM NUMBER
B2
B3 TYPE
B4
DATA
B5
B6 CHECK SUM
B7
END CODE
*1: CHECK SUM: B1 to B5 are calculated by OR. Refer to the example below.
<Example of Calculation>
0xA9 1010
0xA9 1010
Answer 1010
VPL-VW95ES
[A9h]
Put the item number.
Refer to the item list in the sections 2-1-1 and 2-1-2.
SET: 00h (Set data)
GET: 01h (Get data)
SET: Put the Data value described in the item list in the sections 2-1-1 and 2-1-2.
GET: Unused. Set Dummy data [00h, 00h]
*1
Check Sum
[9Ah]
[A9h]
Refer to the reply definition table in the section 2-2.
[03h]
This data does not mean any senses.
Dummy Data [00h, 00h] is stored.
*1 Check Sum
[9Ah]
[A9h]
Refer to the item list in the sections 2-1-1 and 2-1-2.
[02h]
Express data to be Reply data
Data value described in the item list
in the sections 2-1-1 and 2-1-2.
*1
Check Sum
[9Ah]
1001 0xA9 1010 1001
1001 0x9A 1001 1010
1001 Answer 1011 1011
0xA9 0xBB
13 (E)