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added support for retry 

git-svn-id: https://hamlib.svn.sourceforge.net/svnroot/hamlib/trunk@1469 7ae35d74-ebe9-4afe-98af-79ac388436b8
Hamlib-1.2.0
Stéphane Fillod, F8CFE 2003-05-03 13:34:16 +00:00
rodzic f8135d52df
commit f3602a2704
1 zmienionych plików z 32 dodań i 4 usunięć
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36
icom/frame.c
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@ -2,7 +2,7 @@
* Hamlib CI-V backend - low level communication routines
* Copyright (c) 2000-2003 by Stephane Fillod
*
* $Id: frame.c,v 1.21 2003-04-26 09:54:49 fillods Exp $
* $Id: frame.c,v 1.22 2003-05-03 13:34:16 fillods Exp $
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
@ -77,7 +77,7 @@ int make_cmd_frame(char frame[], char re_id, char cmd, int subcmd, const char *d
}
/*
* icom_transaction
* icom_one_transaction
*
* We assume that rig!=NULL, rig->state!= NULL, payload!=NULL, data!=NULL, data_len!=NULL
* Otherwise, you'll get a nice seg fault. You've been warned!
@ -87,7 +87,7 @@ int make_cmd_frame(char frame[], char re_id, char cmd, int subcmd, const char *d
* return RIG_OK if transaction completed,
* or a negative value otherwise indicating the error.
*/
int icom_transaction (RIG *rig, int cmd, int subcmd, const char *payload, int payload_len, char *data, int *data_len)
int icom_one_transaction (RIG *rig, int cmd, int subcmd, const char *payload, int payload_len, char *data, int *data_len)
{
struct icom_priv_data *priv;
struct rig_state *rs;
@ -117,7 +117,7 @@ int icom_transaction (RIG *rig, int cmd, int subcmd, const char *payload, int pa
/*
* read what we just sent, because TX and RX are looped,
* and discard it...
* TODO: - if what we read is not what we sent, then it means
* - if what we read is not what we sent, then it means
* a collision on the CI-V bus occured!
* - if we get a timeout, then retry to send the frame,
* up to rs->retry times.
@ -213,6 +213,34 @@ int icom_transaction (RIG *rig, int cmd, int subcmd, const char *payload, int pa
return RIG_OK;
}
/*
* icom_transaction
*
* This function honors rigport.retry count.
*
* We assume that rig!=NULL, rig->state!= NULL, payload!=NULL, data!=NULL, data_len!=NULL
* Otherwise, you'll get a nice seg fault. You've been warned!
* payload can be NULL if payload_len == 0
* subcmd can be equal to -1 (no subcmd wanted)
*
* return RIG_OK if transaction completed,
* or a negative value otherwise indicating the error.
*/
int icom_transaction (RIG *rig, int cmd, int subcmd, const char *payload, int payload_len, char *data, int *data_len)
{
int retval, retry;
retry = rig->state.rigport.retry;
do {
retval = icom_one_transaction (rig, cmd, subcmd, payload, payload_len, data, data_len);
if (retval == RIG_OK)
break;
} while (retry-- > 0);
return retval;
}
/* used in read_icom_frame as end of block */
static const char icom_block_end[2] = {FI, COL};
#define icom_block_end_length 2