txswiAddress

Zero-fills a CPI packet to be used as a TX SWI request message and sets all addressing information.

Prototype

void txswiAddress ( CPIPKT *pkt, U32 req_size, U16 board, U16 host_chan)

Argument

Description

pkt

Pointer to the CPI packet (of req_size) to be formatted into a TX SWI request message.

req_size

Size of the CPI packet.

board

Destination board number.

host_chan

Source CPI channel number.


Details

Call txswiAddress after determining the required size of the TX SWI request message to be passed to the TX board. All other TX SWI functions except txswiReply return the required request packet size when a NULL CPI packet pointer is provided.

Refer to Sending and receiving requests for more information.