www.forenex.com.tw
- 23 -
A-3. Command list:
Name Code
Description
E2S_STATUS_CHANGE
0x81
It will automatically reply when E2U detect any change on the CTS signal
GET_E2S_STATUS
0x03
Get the CTS state.
GET_E2S_STATUS_REPLY
0xA3
It will automatically reply when E2U get the command 0x03.
CLR_RTS
0x12
To clear RTS signal of RS232, and get result feedback with a 0x81 packet.
SET_RTS
0x14
To set RTS signal of RS232, and get result feedback with a 0x81 packet.
A-3.1. Command: E2S_STATUS_CHANGE (0x81)
Item
Description
OP1
Bit.0, Delta Clear To Send indicator.
1: The CTS line has changed its state.
Bit.4,
Complement of the CTS input
1: CTS was input logic 0.
0: CTS was input logic 1.
OP2
Bit.1, Request To Send (RTS) signal control.
1: RTS will output logic 0.
0: RTS will output logic 1.
