Mindeo FS580 - Led_Ctr

81
5-6 LED_CTR
Description: LED control, it can control LED0 (red) and LED1 (blue).
Packet Format
Length
Opcode
Status
LED Option
LED Status
Checksum
0x05
0x4C
Field Descriptions
Field Name
Format
Size
Description
Length
0x05
1 Byte
Length Field
Opcode
0x4C
1 Byte
Identifies the opcode type.
Status
Bit 0: Identifies transmit status
Bit 6-1: Unused
Bit 7: Command source
1 Byte
Bit 0:
0=First time packet is sent
1= Subsequent transmission attempts
Bit 7: always be 1(message is from the host)
All unused bits recommend to be set to 0.
LED Option
Bit 0-7: Each bit controls one LED. And
it can control multiple LEDs at the
same time.
1 Byte
Bit 0:
1=Control LED0
0= Don’t control LED0
Bit 1:
1=Control LED1
0= Don’t control LED1
Bit2-7: reserved to be 0.
LED
Status
Bit 0-7: Each bit controls one LED’s
status
1 Byte
Bit 0:
1=LED0 ON
0=LED0 OFF
Bit 1:
1=LED1 ON
0=LED1 OFF
Bit2-7: reserved to be 0.
Checksum
2's complement sum of message
contents excluding checksum.
2 Bytes
Checksum of message.
For example: Host controls LED0 and LED1 at the same time (turn on LED0 and turn off LED1).
Length
Opcode
Status
LED Option
LED Status
Checksum
0x05
0x4C
0x80
0x03
0x02
0xFF 0x2A
Host Requirements
None.
Scanner Requirements
Scanner turns on LED0 and turns off LED1.