PEB2085 SIEMENS [Siemens Semiconductor Group], PEB2085 Datasheet - Page 297

• Manufacturer Part Number: PEB2085
• Description: ISDN SubscribernAccess Controller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Semiconductor Group
if (pt->pt_op_mode == PT_MD_AUTO)
{
}
else
pt->pt_tx_cnt = 0;
pt->pt_state &= ~PT_TX_ACTIVE;
if (pt->pt_state & PT_TX_MMU_FREE)
{
if (pt->pt_state & UI_SENT_WHILE_WAITING_FOR_ACK)
{
}
else
{
}
TX_ACKNOWLEDGE (pt->pt_pei, pt->pt_tx_frame);
MMU_free (pt->pt_tx_start);
if (inp(pt->pt_r_star) & STAR_XFW)
pt->pt_state &= ~UI_SENT_WHILE_WAITING_FOR_ACK;
if (inp (pt->pt_r_star2) & STAR2_TREC)
else
if (pt->pt_tx_frame == PT_FR_I &&
else
TX_ACKNOWLEDGE (pt->pt_pei, pt->pt_tx_frame);
ENABLE_TREC_STATUS_CHECK ();
TX_ACKNOWLEDGE (pt->pt_pei, (BYTE) PT_FR_I);
ENABLE_TREC_STATUS_CHECK ();
TX_ACKNOWLEDGE (pt->pt_pei, pt->pt_tx_frame);
(inp (pt->pt_r_star2) & STAR2_TREC))
/* UI frame sent while waiting for
/* I frame acknowledge ?
/* the UI frame was sent out if the */
/* XFIFO is empty (write enable)
/* if we are in timer recovery
/* status the TREC status check
/* procedure is activated. The
/* transmit acknowledge for the I
/* frame must not be generated !!!
/* if we are in timer recovery
/* status and the last frame was an */
/* I frame the TREC status check
/* procedure is activated.
/* If not an transmit acknowledge
/* is generated
/* In all other operating modes
/* (non automode, transparent mode, */
/* ...) the transmit acknowledge
/* can be generated at once.
/* transmit byte count and status
/* flag are reset and any
/* MMU buffer used for temporary
/* transmit data storage is
/* released if necessary
297
Low Level Controller
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