/** FoE write, blocking.
*
* @param[in] context = context struct
* @param[in] slave = Slave number.
* @param[in] filename = Filename of file to write.
* @param[in] password = password.
* @param[in] psize = Size in bytes of file buffer.
* @param[out] p = Pointer to file buffer
* @param[in] timeout = Timeout per mailbox cycle in us, standard is EC_TIMEOUTRXM
* @return Workcounter from last slave response
*/
int ecx_FOEwrite(ecx_contextt *context, uint16 slave, char *filename, uint32 password, int psize, void *p, int timeout)
{
ec_FOEt *FOEp, *aFOEp;
int wkc;
int32 packetnumber, sendpacket = 0;
uint16 fnsize, maxdata;
int segmentdata;
ec_mbxbuft MbxIn, MbxOut;
uint8 cnt;
boolean worktodo, dofinalzero;
int tsize;
ec_clearmbx(&MbxIn);
/* Empty slave out mailbox if something is in. Timout set to 0 */
wkc = ecx_mbxreceive(context, slave, (ec_mbxbuft *)&MbxIn, 0);
ec_clearmbx(&MbxOut);
aFOEp = (ec_FOEt *)&MbxIn;
FOEp = (ec_FOEt *)&MbxOut;
dofinalzero = FALSE;
fnsize = strlen(filename);
maxdata = context->slavelist[slave].mbx_l - 12;
if (fnsize > maxdata)
{
fnsize = maxdata;
}
FOEp->MbxHeader.length = htoes(0x0006 + fnsize);
FOEp->MbxHeader.address = htoes(0x0000);
FOEp->MbxHeader.priority = 0x00;
/* get new mailbox count value, used as session handle */
cnt = ec_nextmbxcnt(context->slavelist[slave].mbx_cnt);
context->slavelist[slave].mbx_cnt = cnt;
FOEp->MbxHeader.mbxtype = ECT_MBXT_FOE + (cnt << 4); /* FoE */
FOEp->OpCode = ECT_FOE_WRITE;
FOEp->Password = htoel(password);
/* copy filename in mailbox */
memcpy(&FOEp->FileName[0], filename, fnsize);
/* send FoE request to slave */
wkc = ecx_mbxsend(context, slave, (ec_mbxbuft *)&MbxOut, EC_TIMEOUTTXM);
if (wkc > 0) /* succeeded to place mailbox in slave ? */
{
do
{
worktodo = FALSE;
/* clean mailboxbuffer */
ec_clearmbx(&MbxIn);
/* read slave response */
wkc = ecx_mbxreceive(context, slave, (ec_mbxbuft *)&MbxIn, timeout);
if (wkc > 0) /* succeeded to read slave response ? */
{
/* slave response should be FoE */
if ((aFOEp->MbxHeader.mbxtype & 0x0f) == ECT_MBXT_FOE)
{
switch (aFOEp->OpCode)
{
case ECT_FOE_ACK:
{
packetnumber = etohl(aFOEp->PacketNumber);
if (packetnumber == sendpacket)
{
if (context->FOEhook)
{
context->FOEhook(slave, packetnumber, psize);
}
tsize = psize;
if (tsize > maxdata)
{
tsize = maxdata;
}
if(tsize || dofinalzero)
{
worktodo = TRUE;
dofinalzero = FALSE;
segmentdata = tsize;
psize -= segmentdata;
/* if last packet was full size, add a zero size packet as final */
/* EOF is defined as packetsize < full packetsize */
if (!psize && (segmentdata == maxdata))
{
dofinalzero = TRUE;
}
FOEp->MbxHeader.length = htoes(0x0006 + segmentdata);
FOEp->MbxHeader.address = htoes(0x0000);
FOEp->MbxHeader.priority = 0x00;
/* get new mailbox count value */
cnt = ec_nextmbxcnt(context->slavelist[slave].mbx_cnt);
context->slavelist[slave].mbx_cnt = cnt;
FOEp->MbxHeader.mbxtype = ECT_MBXT_FOE + (cnt << 4); /* FoE */
FOEp->OpCode = ECT_FOE_DATA;
sendpacket++;
FOEp->PacketNumber = htoel(sendpacket);
memcpy(&FOEp->Data[0], p, segmentdata);
p = (uint8 *)p + segmentdata;
/* send FoE data to slave */
wkc = ecx_mbxsend(context, slave, (ec_mbxbuft *)&MbxOut, EC_TIMEOUTTXM);
if (wkc <= 0)
{
worktodo = FALSE;
}
}
}
else
{
/* FoE error */
wkc = -EC_ERR_TYPE_FOE_PACKETNUMBER;
}
break;
}
case ECT_FOE_BUSY:
{
/* resend if data has been send before */
/* otherwise ignore */
if (sendpacket)
{
if (!psize)
{
dofinalzero = TRUE;
}
psize += segmentdata;
p = (uint8 *)p - segmentdata;
--sendpacket;
}
break;
}
case ECT_FOE_ERROR:
{
/* FoE error */
wkc = -EC_ERR_TYPE_FOE_ERROR;
break;
}
default:
{
/* unexpected mailbox received */
wkc = -EC_ERR_TYPE_PACKET_ERROR;
break;
}
}
}
else
{
/* unexpected mailbox received */
wkc = -EC_ERR_TYPE_PACKET_ERROR;
}
}
} while (worktodo);
}
return wkc;
}
/** SoE write, blocking.
*
* The IDN object of the selected slave and DriveNo is written. If a response
* is larger than the mailbox size then the response is segmented.
*
* @param[in] context = context struct
* @param[in] slave = Slave number
* @param[in] driveNo = Drive number in slave
* @param[in] elementflags = Flags to select what properties of IDN are to be transfered.
* @param[in] idn = IDN.
* @param[in] psize = Size in bytes of parameter buffer.
* @param[out] p = Pointer to parameter buffer
* @param[in] timeout = Timeout in us, standard is EC_TIMEOUTRXM
* @return Workcounter from last slave response
*/
int ecx_SoEwrite(ecx_contextt *context, uint16 slave, uint8 driveNo, uint8 elementflags, uint16 idn, int psize, void *p, int timeout)
{
ec_SoEt *SoEp, *aSoEp;
uint16 framedatasize, maxdata;
int wkc;
uint8 *mp;
uint8 *hp;
uint16 *errorcode;
ec_mbxbuft MbxIn, MbxOut;
uint8 cnt;
boolean NotLast;
ec_clearmbx(&MbxIn);
/* Empty slave out mailbox if something is in. Timeout set to 0 */
wkc = ecx_mbxreceive(context, slave, (ec_mbxbuft *)&MbxIn, 0);
ec_clearmbx(&MbxOut);
aSoEp = (ec_SoEt *)&MbxIn;
SoEp = (ec_SoEt *)&MbxOut;
SoEp->MbxHeader.address = htoes(0x0000);
SoEp->MbxHeader.priority = 0x00;
SoEp->opCode = ECT_SOE_WRITEREQ;
SoEp->error = 0;
SoEp->driveNo = driveNo;
SoEp->elementflags = elementflags;
hp = p;
mp = (uint8 *)&MbxOut + sizeof(ec_SoEt);
maxdata = context->slavelist[slave].mbx_l - sizeof(ec_SoEt);
NotLast = TRUE;
while (NotLast)
{
framedatasize = psize;
NotLast = FALSE;
SoEp->idn = htoes(idn);
SoEp->incomplete = 0;
if (framedatasize > maxdata)
{
framedatasize = maxdata; /* segmented transfer needed */
NotLast = TRUE;
SoEp->incomplete = 1;
SoEp->fragmentsleft = psize / maxdata;
}
SoEp->MbxHeader.length = htoes(sizeof(ec_SoEt) - sizeof(ec_mbxheadert) + framedatasize);
/* get new mailbox counter, used for session handle */
cnt = ec_nextmbxcnt(context->slavelist[slave].mbx_cnt);
context->slavelist[slave].mbx_cnt = cnt;
SoEp->MbxHeader.mbxtype = ECT_MBXT_SOE + (cnt << 4); /* SoE */
/* copy parameter data to mailbox */
memcpy(mp, hp, framedatasize);
hp += framedatasize;
psize -= framedatasize;
/* send SoE request to slave */
wkc = ecx_mbxsend(context, slave, (ec_mbxbuft *)&MbxOut, EC_TIMEOUTTXM);
if (wkc > 0) /* succeeded to place mailbox in slave ? */
{
if (!NotLast || !ecx_mbxempty(context, slave, timeout))
{
/* clean mailboxbuffer */
ec_clearmbx(&MbxIn);
/* read slave response */
wkc = ecx_mbxreceive(context, slave, (ec_mbxbuft *)&MbxIn, timeout);
if (wkc > 0) /* succeeded to read slave response ? */
{
NotLast = FALSE;
/* slave response should be SoE, WriteRes */
if (((aSoEp->MbxHeader.mbxtype & 0x0f) == ECT_MBXT_SOE) &&
(aSoEp->opCode == ECT_SOE_WRITERES) &&
(aSoEp->error == 0) &&
(aSoEp->driveNo == driveNo) &&
(aSoEp->elementflags == elementflags))
{
/* SoE write succeeded */
}
/* other slave response */
else
{
if (((aSoEp->MbxHeader.mbxtype & 0x0f) == ECT_MBXT_SOE) &&
(aSoEp->opCode == ECT_SOE_READRES) &&
(aSoEp->error == 1))
{
mp = (uint8 *)&MbxIn + (etohs(aSoEp->MbxHeader.length) + sizeof(ec_mbxheadert) - sizeof(uint16));
errorcode = (uint16 *)mp;
ecx_SoEerror(context, slave, idn, *errorcode);
}
else
{
ecx_packeterror(context, slave, idn, 0, 1); /* Unexpected frame returned */
}
wkc = 0;
}
}
else
{
ecx_packeterror(context, slave, idn, 0, 4); /* no response */
}
}
}
}
return wkc;
}
/** FoE read, blocking.
*
* @param[in] context = context struct
* @param[in] slave = Slave number.
* @param[in] filename = Filename of file to read.
* @param[in] password = password.
* @param[in,out] psize = Size in bytes of file buffer, returns bytes read from file.
* @param[out] p = Pointer to file buffer
* @param[in] timeout = Timeout per mailbox cycle in us, standard is EC_TIMEOUTRXM
* @return Workcounter from last slave response
*/
int ecx_FOEread(ecx_contextt *context, uint16 slave, char *filename, uint32 password, int *psize, void *p, int timeout)
{
ec_FOEt *FOEp, *aFOEp;
int wkc;
int32 dataread = 0;
int32 buffersize, packetnumber, prevpacket = 0;
uint16 fnsize, maxdata, segmentdata;
ec_mbxbuft MbxIn, MbxOut;
uint8 cnt;
boolean worktodo;
buffersize = *psize;
ec_clearmbx(&MbxIn);
/* Empty slave out mailbox if something is in. Timout set to 0 */
wkc = ecx_mbxreceive(context, slave, (ec_mbxbuft *)&MbxIn, 0);
ec_clearmbx(&MbxOut);
aFOEp = (ec_FOEt *)&MbxIn;
FOEp = (ec_FOEt *)&MbxOut;
fnsize = strlen(filename);
maxdata = context->slavelist[slave].mbx_l - 12;
if (fnsize > maxdata)
{
fnsize = maxdata;
}
FOEp->MbxHeader.length = htoes(0x0006 + fnsize);
FOEp->MbxHeader.address = htoes(0x0000);
FOEp->MbxHeader.priority = 0x00;
/* get new mailbox count value, used as session handle */
cnt = ec_nextmbxcnt(context->slavelist[slave].mbx_cnt);
context->slavelist[slave].mbx_cnt = cnt;
FOEp->MbxHeader.mbxtype = ECT_MBXT_FOE + (cnt << 4); /* FoE */
FOEp->OpCode = ECT_FOE_READ;
FOEp->Password = htoel(password);
/* copy filename in mailbox */
memcpy(&FOEp->FileName[0], filename, fnsize);
/* send FoE request to slave */
wkc = ecx_mbxsend(context, slave, (ec_mbxbuft *)&MbxOut, EC_TIMEOUTTXM);
if (wkc > 0) /* succeeded to place mailbox in slave ? */
{
do
{
worktodo = FALSE;
/* clean mailboxbuffer */
ec_clearmbx(&MbxIn);
/* read slave response */
wkc = ecx_mbxreceive(context, slave, (ec_mbxbuft *)&MbxIn, timeout);
if (wkc > 0) /* succeeded to read slave response ? */
{
/* slave response should be FoE */
if ((aFOEp->MbxHeader.mbxtype & 0x0f) == ECT_MBXT_FOE)
{
if(aFOEp->OpCode == ECT_FOE_DATA)
{
segmentdata = etohs(aFOEp->MbxHeader.length) - 0x0006;
packetnumber = etohl(aFOEp->PacketNumber);
if ((packetnumber == ++prevpacket) && (dataread + segmentdata <= buffersize))
{
memcpy(p, &aFOEp->Data[0], segmentdata);
dataread += segmentdata;
p = (uint8 *)p + segmentdata;
if (segmentdata == maxdata)
{
worktodo = TRUE;
}
FOEp->MbxHeader.length = htoes(0x0006);
FOEp->MbxHeader.address = htoes(0x0000);
FOEp->MbxHeader.priority = 0x00;
/* get new mailbox count value */
cnt = ec_nextmbxcnt(context->slavelist[slave].mbx_cnt);
context->slavelist[slave].mbx_cnt = cnt;
FOEp->MbxHeader.mbxtype = ECT_MBXT_FOE + (cnt << 4); /* FoE */
FOEp->OpCode = ECT_FOE_ACK;
FOEp->PacketNumber = htoel(packetnumber);
/* send FoE ack to slave */
wkc = ecx_mbxsend(context, slave, (ec_mbxbuft *)&MbxOut, EC_TIMEOUTTXM);
if (wkc <= 0)
{
worktodo = FALSE;
}
if (context->FOEhook)
{
context->FOEhook(slave, packetnumber, dataread);
}
}
else
{
/* FoE error */
wkc = -EC_ERR_TYPE_FOE_BUF2SMALL;
}
}
else
{
if(aFOEp->OpCode == ECT_FOE_ERROR)
{
/* FoE error */
wkc = -EC_ERR_TYPE_FOE_ERROR;
}
else
{
/* unexpected mailbox received */
wkc = -EC_ERR_TYPE_PACKET_ERROR;
}
}
}
else
{
/* unexpected mailbox received */
wkc = -EC_ERR_TYPE_PACKET_ERROR;
}
*psize = dataread;
}
} while (worktodo);
}
return wkc;
}
/** SoE read, blocking.
*
* The IDN object of the selected slave and DriveNo is read. If a response
* is larger than the mailbox size then the response is segmented. The function
* will combine all segments and copy them to the parameter buffer.
*
* @param[in] context = context struct
* @param[in] slave = Slave number
* @param[in] driveNo = Drive number in slave
* @param[in] elementflags = Flags to select what properties of IDN are to be transfered.
* @param[in] idn = IDN.
* @param[in,out] psize = Size in bytes of parameter buffer, returns bytes read from SoE.
* @param[out] p = Pointer to parameter buffer
* @param[in] timeout = Timeout in us, standard is EC_TIMEOUTRXM
* @return Workcounter from last slave response
*/
int ecx_SoEread(ecx_contextt *context, uint16 slave, uint8 driveNo, uint8 elementflags, uint16 idn, int *psize, void *p, int timeout)
{
ec_SoEt *SoEp, *aSoEp;
uint16 totalsize, framedatasize;
int wkc;
uint8 *bp;
uint8 *mp;
uint16 *errorcode;
ec_mbxbuft MbxIn, MbxOut;
uint8 cnt;
boolean NotLast;
ec_clearmbx(&MbxIn);
/* Empty slave out mailbox if something is in. Timeout set to 0 */
wkc = ecx_mbxreceive(context, slave, (ec_mbxbuft *)&MbxIn, 0);
ec_clearmbx(&MbxOut);
aSoEp = (ec_SoEt *)&MbxIn;
SoEp = (ec_SoEt *)&MbxOut;
SoEp->MbxHeader.length = htoes(sizeof(ec_SoEt) - sizeof(ec_mbxheadert));
SoEp->MbxHeader.address = htoes(0x0000);
SoEp->MbxHeader.priority = 0x00;
/* get new mailbox count value, used as session handle */
cnt = ec_nextmbxcnt(context->slavelist[slave].mbx_cnt);
context->slavelist[slave].mbx_cnt = cnt;
SoEp->MbxHeader.mbxtype = ECT_MBXT_SOE + (cnt << 4); /* SoE */
SoEp->opCode = ECT_SOE_READREQ;
SoEp->incomplete = 0;
SoEp->error = 0;
SoEp->driveNo = driveNo;
SoEp->elementflags = elementflags;
SoEp->idn = htoes(idn);
totalsize = 0;
bp = p;
mp = (uint8 *)&MbxIn + sizeof(ec_SoEt);
NotLast = TRUE;
/* send SoE request to slave */
wkc = ecx_mbxsend(context, slave, (ec_mbxbuft *)&MbxOut, EC_TIMEOUTTXM);
if (wkc > 0) /* succeeded to place mailbox in slave ? */
{
while (NotLast)
{
/* clean mailboxbuffer */
ec_clearmbx(&MbxIn);
/* read slave response */
wkc = ecx_mbxreceive(context, slave, (ec_mbxbuft *)&MbxIn, timeout);
if (wkc > 0) /* succeeded to read slave response ? */
{
/* slave response should be SoE, ReadRes */
if (((aSoEp->MbxHeader.mbxtype & 0x0f) == ECT_MBXT_SOE) &&
(aSoEp->opCode == ECT_SOE_READRES) &&
(aSoEp->error == 0) &&
(aSoEp->driveNo == driveNo) &&
(aSoEp->elementflags == elementflags))
{
framedatasize = etohs(aSoEp->MbxHeader.length) - sizeof(ec_SoEt) + sizeof(ec_mbxheadert);
totalsize += framedatasize;
/* Does parameter fit in parameter buffer ? */
if (totalsize <= *psize)
{
/* copy parameter data in parameter buffer */
memcpy(bp, mp, framedatasize);
/* increment buffer pointer */
bp += framedatasize;
}
else
{
framedatasize -= totalsize - *psize;
totalsize = *psize;
/* copy parameter data in parameter buffer */
if (framedatasize > 0) memcpy(bp, mp, framedatasize);
}
if (!aSoEp->incomplete)
{
NotLast = FALSE;
*psize = totalsize;
}
}
/* other slave response */
else
{
NotLast = FALSE;
if (((aSoEp->MbxHeader.mbxtype & 0x0f) == ECT_MBXT_SOE) &&
(aSoEp->opCode == ECT_SOE_READRES) &&
(aSoEp->error == 1))
{
mp = (uint8 *)&MbxIn + (etohs(aSoEp->MbxHeader.length) + sizeof(ec_mbxheadert) - sizeof(uint16));
errorcode = (uint16 *)mp;
ecx_SoEerror(context, slave, idn, *errorcode);
}
else
{
ecx_packeterror(context, slave, idn, 0, 1); /* Unexpected frame returned */
}
wkc = 0;
}
}
else
{
NotLast = FALSE;
ecx_packeterror(context, slave, idn, 0, 4); /* no response */
}
}
}
return wkc;
}
