RGBLink DXP V1616 User Manual - Manual (Page 42)

DXP V1616 User Manual 42
B. Serial Communication Protocol
Serial protocol
Baud rate 115200 BPS; 1 bit start bit; 1 bit stop bit; No parity bit;
Protocol data format
Sending data format as follows, defined as shown in table 1.
ADDR * SN * CMD * DAT1 * DAT2 * DAT3 * DAT4 * CHKSUM
Table 2 sends data format definition
Symbol Byte Definition Note
ADDR 1 Address
SN 1 Used for transmission flow controlling
CMD 1 Command type
DAT1 1
DAT2 1
DAT3 1
DAT4 1
CHKSUM 1 All protocol data
Receiving data format as follows, defined as shown in table 3.
ADDR * SN * CMD * DAT1 * DAT2 * DAT3 * DAT4 * CHKSUM
Table 4 receiving data format definition
Symbol Byte Definition Note
ADDR 1 Address Not used
SN 1 Used for transmission flow controlling
CMD 1 Command type
DAT1 1
DAT2 1
DAT3 1
DAT4 1
CHKSUM 1 All protocol data
CHKSUM = ADDR + SN + CMD + DAT1 + DAT2 + DAT3 + DAT4.
SN is used for flow controlling, with beginning connection settings