LSIS XGL-C22A, User Manual, Page: 194 / 299

Chapter 9 User-defined Communication
9-13
9.5 UDATA Instruction
9.5.1 XGI Instruction
(1) SEND_UDATA
SEND_UDATA Availability Flags
User defined data send XGI, XGR -
Function Block Description
Input REQ: requires to execute the function block
BASE : base number
SLOT: slot number
CH: channel(1 or 2)
DATA: data area to send
SIZE: data size to send
Output DONE: maintains 1 after operation
STAT: completion and ERR info
(a) Function
1) SEND_UDATA instruction sends user defined data(UDATA).
2) BASE and SLOT should input a base and the slot number that CNET module was attached to now.
3) CH means a channel number and must set 1 or 2
4) DATA must be declared only ARRAY OF BYTE type.
5) Array size is 1 ~ 1024 byte.
6) Save to transmit buffer as number as SIZE from DATA[0]. (Limit of data size is 1024 at once)
7) If 1 is output by Done and STAT, it accomplished normally and If an error is produced, state information
is displayed by STAT