pef20320 Infineon Technologies Corporation, pef20320 Datasheet - Page 252

• Manufacturer Part Number: pef20320
• Description: Multichannel Network Interface Controller For Hdlc With 32 Channels
• Manufacturer: Infineon Technologies Corporation

User’s Manual
/*--------------------------------------------------------------------------
*/
static
{
*/
}
- Function
--------------------------------------------------------------------------
- Description :
--------------------------------------------------------------------------
/*=== Transmit Descriptor ===============================================*/
channelControl[0].lasttxdescr ->next = txDescr; /* Add frame to existing */
channelControl[0].lasttxdescr
m32TxDescr = txDescr;
channelControl[0].lasttxdescr ->hold = 0;
txDescr ->fe
txDescr ->hold
-------------------------------------------------------------------------
for ( ; txDescr ->next; txDescr
{
}
..
..
txDescr ->hi
txDescr ->fnum
txDescr ->hold
txDescr ->fe
txDescr ->v110
void
:
TxHdlcFrame
Transmit an HDLC frame via channel 0
TxHdlcFrame ( MUNICH_TX_DESCR_PTR m32TxDescr )
= 0;
= 3;
= 0;
= 0;
= 0;
= 1;
= 1;
= txDescr; /* store last transmit pointer */
= txDescr ->next )
/* clear host initiated interrupt bit */
252
/* 3 interframe timefill char
/* clear frame end bit
/* set frame end bit
/* clear hold bit
/* clear v110 bit
/* set hold bit
/* store transmit descriptor pointer */
/* will then detect the
/* cleared hold bit and
/* send the following
/* the polling MUNICH32
/* frame
/* channel0 frame queue
PEB 20320
Appendix
01.2000
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