Files
bouwhuim.nikhef.nl dee2668a61 newest version WRPC
2013-09-10 08:08:59 +00:00

57 lines
1.3 KiB
C

/*
* Aurelio Colosimo for CERN, 2012 -- public domain
* Based on ptp-noposix project (see AUTHORS for details)
*/
#include <ppsi/ppsi.h>
#include "wr-api.h"
int wr_resp_calib_req(struct pp_instance *ppi, unsigned char *pkt, int plen)
{
int e = 0;
MsgSignaling wrsig_msg;
if (ppi->is_new_state) {
WR_DSPOR(ppi)->wrPortState = WRS_RESP_CALIB_REQ;
if (WR_DSPOR(ppi)->otherNodeCalSendPattern) {
wr_calibration_pattern_enable(ppi, 0, 0, 0);
pp_timeout_set(ppi, PP_TO_EXT_0,
WR_DSPOR(ppi)->otherNodeCalPeriod / 1000);
}
}
if ((WR_DSPOR(ppi)->otherNodeCalSendPattern) &&
(pp_timeout_z(ppi, PP_TO_EXT_0))) {
if (WR_DSPOR(ppi)->wrMode == WR_MASTER)
ppi->next_state = PPS_MASTER;
else
ppi->next_state = PPS_LISTENING;
WR_DSPOR(ppi)->wrPortState = WRS_IDLE;
goto out;
}
if (plen == 0)
goto out;
if (ppi->received_ptp_header.messageType == PPM_SIGNALING) {
msg_unpack_wrsig(ppi, pkt, &wrsig_msg,
&(WR_DSPOR(ppi)->msgTmpWrMessageID));
if (WR_DSPOR(ppi)->msgTmpWrMessageID == CALIBRATED) {
if (WR_DSPOR(ppi)->otherNodeCalSendPattern)
wr_calibration_pattern_disable(ppi);
if (WR_DSPOR(ppi)->wrMode == WR_MASTER)
ppi->next_state = WRS_WR_LINK_ON;
else
ppi->next_state = WRS_CALIBRATION;
}
}
out:
ppi->next_delay = WR_DSPOR(ppi)->wrStateTimeout;
return e;
}