Communicating via HDLC over a TDM Interface with a QUICC ...

Code Listing
}
// Enter an endless loop to wait for an receive frame by polling the
// RXF bit in the UCC8 Event register.
// A production application would most likely enable an interrupt for
// this event to allow the system to do other work.
while (1) {
}
while ((*ucce_p & 0x00080000) == 0)
{
}
// do nothing...
// Display the received data.
printf ("RX Frame: %s\n\r", g_rxbuf);
// Clear RXF Flag to allow a new event to be detected.
*ucce_p = 0x00080000;
// Clear out the RX buffer.
for (i=0; i< BUF_SIZE; i++)
g_rxbuf[i]=0;
// Set the empty bit in the RX BD to allow another frame to
// be received.
rx_bd_p->cntrl |= 0x80;
Communicating via HDLC over a TDM Interface with a QUICC Engine UCC, Rev. 0
34 Freescale Semiconductor