/** Generate and set EtherCAT datagram in a standard ethernet frame.
*
* @param[out] frame = framebuffer
* @param[in] com = command
* @param[in] idx = index used for TX and RX buffers
* @param[in] ADP = Address Position
* @param[in] ADO = Address Offset
* @param[in] length = length of datagram excluding EtherCAT header
* @param[in] data = databuffer to be copied in datagram
* @return always 0
*/
int ec_setupdatagram(void *frame, uint8 com, uint8 idx, uint16 ADP, uint16 ADO, uint16 length, void *data)
{
ec_comt *datagramP;
uint8 *frameP;
frameP = frame;
/* Ethernet header is preset and fixed in frame buffers
EtherCAT header needs to be added after that */
datagramP = (ec_comt*)&frameP[ETH_HEADERSIZE];
datagramP->elength = htoes(EC_ECATTYPE + EC_HEADERSIZE + length);
datagramP->command = com;
datagramP->index = idx;
datagramP->ADP = htoes(ADP);
datagramP->ADO = htoes(ADO);
datagramP->dlength = htoes(length);
if (length > 0)
{
memcpy(&frameP[ETH_HEADERSIZE + EC_HEADERSIZE], data, length);
}
/* set WKC to zero */
frameP[ETH_HEADERSIZE + EC_HEADERSIZE + length] = 0x00;
frameP[ETH_HEADERSIZE + EC_HEADERSIZE + length + 1] = 0x00;
/* set size of frame in buffer array */
ec_txbuflength[idx] = ETH_HEADERSIZE + EC_HEADERSIZE + EC_WKCSIZE + length;
return 0;
}
/** Recover slave.
*
* @param[in] slave = slave to recover
* @return >0 if successful
*/
int ec_recover_slave(uint16 slave)
{
int rval;
uint16 ADPh, configadr;
rval = 0;
configadr = ec_slave[slave].configadr;
/* clear possible slaves at EC_TEMPNODE */
ec_FPWRw(EC_TEMPNODE, ECT_REG_STADR, htoes(0), 0);
ADPh = (uint16)(1 - slave);
/* set temporary node address of slave */
if (ec_APWRw(ADPh, ECT_REG_STADR, htoes(EC_TEMPNODE), EC_TIMEOUTRET) <= 0)
return 0; /* slave fails to respond */
ec_slave[slave].configadr = EC_TEMPNODE; /* temporary config address */
ec_eeprom2master(slave); /* set Eeprom control to master */
/* check if slave is the same as configured before */
if ((ec_FPRDw(EC_TEMPNODE, ECT_REG_ALIAS, EC_TIMEOUTRET) == ec_slave[slave].aliasadr)
&& (ec_readeeprom(slave, ECT_SII_ID, EC_TIMEOUTEEP) == ec_slave[slave].eep_id)
&& (ec_readeeprom(slave, ECT_SII_MANUF, EC_TIMEOUTEEP) == ec_slave[slave].eep_man)
&& (ec_readeeprom(slave, ECT_SII_REV, EC_TIMEOUTEEP) == ec_slave[slave].eep_rev))
{
rval = ec_FPWRw(EC_TEMPNODE, ECT_REG_STADR, htoes(configadr), EC_TIMEOUTRET);
ec_slave[slave].configadr = configadr;
}
else
{
/* slave is not the expected one, remove config address*/
ec_FPWRw(EC_TEMPNODE, ECT_REG_STADR, htoes(0), EC_TIMEOUTRET);
ec_slave[slave].configadr = configadr;
}
return rval;
}
// Encoders
void read_Encoders(void){
uint16_t encoder;
encoder=*(int16_t*)ENC_1_BASE_ADDRESS;
miso_packet.encoder_1=htoes(encoder);
encoder=*(int16_t*)ENC_2_BASE_ADDRESS;
miso_packet.encoder_2=htoes(encoder);
encoder=*(int16_t*)ENC_3_BASE_ADDRESS;
miso_packet.encoder_3=htoes(encoder);
}
/** Recover slave.
*
* @param[in] context = context struct
* @param[in] slave = slave to recover
* @param[in] timeout = local timeout f.e. EC_TIMEOUTRET3
* @return >0 if successful
*/
int ecx_recover_slave(ecx_contextt *context, uint16 slave, int timeout)
{
int rval;
uint16 ADPh, configadr, readadr, wkc;
rval = 0;
configadr = context->slavelist[slave].configadr;
ADPh = (uint16)(1 - slave);
/* check if we found another slave than the requested */
readadr = 0xfffe;
wkc = ecx_APRD(context->port, ADPh, ECT_REG_STADR, sizeof(readadr), &readadr, timeout);
/* correct slave found, finished */
if(readadr == configadr)
{
return 1;
}
/* only try if no config address*/
if( (wkc > 0) && (readadr == 0))
{
/* clear possible slaves at EC_TEMPNODE */
ecx_FPWRw(context->port, EC_TEMPNODE, ECT_REG_STADR, htoes(0) , 0);
/* set temporary node address of slave */
if(ecx_APWRw(context->port, ADPh, ECT_REG_STADR, htoes(EC_TEMPNODE) , timeout) <= 0)
{
ecx_FPWRw(context->port, EC_TEMPNODE, ECT_REG_STADR, htoes(0) , 0);
return 0; /* slave fails to respond */
}
context->slavelist[slave].configadr = EC_TEMPNODE; /* temporary config address */
ecx_eeprom2master(context, slave); /* set Eeprom control to master */
/* check if slave is the same as configured before */
if ((ecx_FPRDw(context->port, EC_TEMPNODE, ECT_REG_ALIAS, timeout) ==
context->slavelist[slave].aliasadr) &&
(ecx_readeeprom(context, slave, ECT_SII_ID, EC_TIMEOUTEEP) ==
context->slavelist[slave].eep_id) &&
(ecx_readeeprom(context, slave, ECT_SII_MANUF, EC_TIMEOUTEEP) ==
context->slavelist[slave].eep_man) &&
(ecx_readeeprom(context, slave, ECT_SII_REV, EC_TIMEOUTEEP) ==
context->slavelist[slave].eep_rev))
{
rval = ecx_FPWRw(context->port, EC_TEMPNODE, ECT_REG_STADR, htoes(configadr) , timeout);
context->slavelist[slave].configadr = configadr;
}
else
{
/* slave is not the expected one, remove config address*/
ecx_FPWRw(context->port, EC_TEMPNODE, ECT_REG_STADR, htoes(0) , timeout);
context->slavelist[slave].configadr = configadr;
}
}
return rval;
}
void* EC_Header::set(void *ecatHeader, uint8 com, uint8 idx, uint16 ADP, uint16 ADO, uint16 length)
{
EC_Header* self = static_cast<EC_Header*>(ecatHeader);
self->elength_ = htoes(EC_ECATTYPE + sizeof(EC_Header)+length);
self->command_ = com;
self->index_ = idx;
self->ADP_ = htoes(ADP);
self->ADO_ = htoes(ADO);
self->dlength_ = htoes(length);
//return self + 1;
return static_cast<uint8*>(ecatHeader) + sizeof(EC_Header);
}
/** Allocate and prepare a mailbox buffer for sending an error message. Take the first Idle
* buffer from the end. Set Mailbox control state to be used for outbox and fill the mailbox
* buffer with error information.
*
* @param[in] n = Error number to be sent in mailbox error message.
*/
void MBX_error (uint16_t error)
{
uint8_t MBXout;
_MBXerr *mbxerr;
MBXout = ESC_claimbuffer ();
if (MBXout)
{
mbxerr = (_MBXerr *) & MBX[MBXout];
mbxerr->mbxheader.length = htoes ((uint16_t) 0x04);
mbxerr->mbxheader.mbxtype = MBXERR;
mbxerr->type = htoes ((uint16_t) 0x01);
mbxerr->detail = htoes (error);
MBXcontrol[MBXout].state = MBXstate_outreq;
}
}
/** Write AL Status Code to the ESC.
*
* @param[in] errornumber = Write an by EtherCAT specified Error number register 0x134 AL Status Code
*/
void ESC_ALerror (uint16_t errornumber)
{
uint16_t dummy;
ESCvar.ALerror = errornumber;
dummy = htoes (errornumber);
ESC_write (ESCREG_ALERROR, &dummy, sizeof (dummy), (void *) &ESCvar.ALevent);
}
int exec_cmd(EcInitCmdDesc *CmdDesc, uint16 slave)
{int wkc,cnt = 0;
char i;
uint32 data=0;
uint16 retry,estat;
retry=CmdDesc->retries;
if (CmdDesc->ecHead.ADO==0x502||CmdDesc->ecHead.ADO==0x508)
{
ec_eeprom2master(slave);
if (ec_eeprom_waitnotbusyAP(CmdDesc->ecHead.ADP, &estat, EC_TIMEOUTEEP))
{
if (estat & EC_ESTAT_EMASK) /* error bits are set */
{
estat = htoes(EC_ECMD_NOP); /* clear error bits */
wkc=ec_APWR(CmdDesc->ecHead.ADP, ECT_REG_EEPCTL, sizeof(estat), &estat, EC_TIMEOUTRET);
}
do
wkc=EcatCmdReq(CmdDesc, &data, slave);
while ((wkc <= 0) && (cnt++ < retry));
}
}
EC_PRINT("Command: %s\n",CmdDesc->cmt);
else
{
do
{
/** Allocate and prepare a mailbox buffer. Take the first Idle buffer from the End.
* Set Mailbox control state to be used for outbox and fill the mailbox buffer with
* address master and mailbox next CNT value between 1-7.
*
* @return The index of Mailbox buffer prepared for outbox. IF no buffer is available return 0.
*/
uint8_t ESC_claimbuffer (void)
{
_MBX *MB;
uint8_t n = MBXBUFFERS - 1;
while ((n > 0) && (MBXcontrol[n].state))
{
n--;
}
if (n)
{
MBXcontrol[n].state = MBXstate_outclaim;
MB = &MBX[n];
ESCvar.mbxcnt = (++ESCvar.mbxcnt) & 0x07;
if (ESCvar.mbxcnt == 0)
{
ESCvar.mbxcnt = 1;
}
MB->header.address = htoes (0x0000); // destination is master
MB->header.channel = 0;
MB->header.priority = 0;
MB->header.mbxcnt = ESCvar.mbxcnt;
ESCvar.txcue++;
}
return n;
}
/** Reconfigure slave.
*
* @param[in] context = context struct
* @param[in] slave = slave to reconfigure
* @param[in] timeout = local timeout f.e. EC_TIMEOUTRET3
* @return Slave state
*/
int ecx_reconfig_slave(ecx_contextt *context, uint16 slave, int timeout)
{
int state, nSM, FMMUc;
uint16 configadr;
configadr = context->slavelist[slave].configadr;
if (ecx_FPWRw(context->port, configadr, ECT_REG_ALCTL, htoes(EC_STATE_INIT) , timeout) <= 0)
{
return 0;
}
state = 0;
ecx_eeprom2pdi(context, slave); /* set Eeprom control to PDI */
/* check state change init */
state = ecx_statecheck(context, slave, EC_STATE_INIT, EC_TIMEOUTSTATE);
if(state == EC_STATE_INIT)
{
/* program all enabled SM */
for( nSM = 0 ; nSM < EC_MAXSM ; nSM++ )
{
if (context->slavelist[slave].SM[nSM].StartAddr)
{
ecx_FPWR(context->port, configadr, ECT_REG_SM0 + (nSM * sizeof(ec_smt)),
sizeof(ec_smt), &context->slavelist[slave].SM[nSM], timeout);
}
}
ecx_FPWRw(context->port, configadr, ECT_REG_ALCTL, htoes(EC_STATE_PRE_OP) , timeout);
state = ecx_statecheck(context, slave, EC_STATE_PRE_OP, EC_TIMEOUTSTATE); /* check state change pre-op */
if( state == EC_STATE_PRE_OP)
{
/* execute special slave configuration hook Pre-Op to Safe-OP */
if(context->slavelist[slave].PO2SOconfig) /* only if registered */
{
context->slavelist[slave].PO2SOconfig(slave);
}
ecx_FPWRw(context->port, configadr, ECT_REG_ALCTL, htoes(EC_STATE_SAFE_OP) , timeout); /* set safeop status */
state = ecx_statecheck(context, slave, EC_STATE_SAFE_OP, EC_TIMEOUTSTATE); /* check state change safe-op */
/* program configured FMMU */
for( FMMUc = 0 ; FMMUc < context->slavelist[slave].FMMUunused ; FMMUc++ )
{
ecx_FPWR(context->port, configadr, ECT_REG_FMMU0 + (sizeof(ec_fmmut) * FMMUc),
sizeof(ec_fmmut), &context->slavelist[slave].FMMU[FMMUc], timeout);
}
}
}
return state;
}
/** Write AL Status to the ESC.
*
* @param[in] status = Write current slave status to register 0x130 AL Status
* reflecting actual state and error indication if present
*/
void ESC_ALstatus (uint8_t status)
{
uint16_t dummy;
ESCvar.ALstatus = status;
dummy = htoes ((uint16_t) status);
ESC_write (ESCREG_ALSTATUS, &dummy, sizeof (dummy),
(void *) &ESCvar.ALevent);
}
/** EPP periodic task of ESC side EEPROM emulation.
*
*/
void EEP_process (void)
{
eep_stat_t stat;
/* check for eeprom event */
if ((ESCvar.ALevent & ESCREG_ALEVENT_EEP) == 0) {
return;
}
while (1) {
/* read eeprom status */
ESC_read (ESCREG_EECONTSTAT, &stat, sizeof (eep_stat_t));
stat.contstat.reg = etohs(stat.contstat.reg);
stat.addr = etohl(stat.addr);
/* check busy flag, exit if job finished */
if (!stat.contstat.bits.busy) {
return;
}
/* clear error bits */
stat.contstat.bits.csumErr = 0;
stat.contstat.bits.eeLoading = 0;
stat.contstat.bits.ackErr = 0;
stat.contstat.bits.wrErr = 0;
/* process commands */
switch (stat.contstat.bits.cmdReg) {
case EEP_CMD_IDLE:
break;
case EEP_CMD_READ:
case EEP_CMD_RELOAD:
/* handle read request */
if (EEP_read (stat.addr * sizeof(uint16_t), eep_buf, EEP_READ_SIZE) != 0) {
stat.contstat.bits.ackErr = 1;
} else {
ESC_write (ESCREG_EEDATA, eep_buf, EEP_READ_SIZE);
}
break;
case EEP_CMD_WRITE:
/* handle write request */
ESC_read (ESCREG_EEDATA, eep_buf, EEP_WRITE_SIZE);
if (EEP_write (stat.addr * sizeof(uint16_t), eep_buf, EEP_WRITE_SIZE) != 0) {
stat.contstat.bits.ackErr = 1;
}
break;
default:
stat.contstat.bits.ackErr = 1;
}
/* acknowledge command */
stat.contstat.reg = htoes(stat.contstat.reg);
ESC_write (ESCREG_EECONTSTAT, &stat.contstat.reg, sizeof(uint16_t));
}
}
void update_PWM(void){
int16_t pwm;
pwm=htoes(mosi_packet.m_1);
if(pwm>pwm_duty_limit)pwm=pwm_duty_limit;
else if(pwm<-pwm_duty_limit)pwm=-pwm_duty_limit;
pwmx_set_pulsewidth(drv_pwm_1,abs(pwm));
(*IOp_DO).line.direction_1=(pwm<0);
pwm=htoes(mosi_packet.m_2);
if(pwm>pwm_duty_limit)pwm=pwm_duty_limit;
else if(pwm<-pwm_duty_limit)pwm=-pwm_duty_limit;
pwmx_set_pulsewidth(drv_pwm_2,abs(pwm));
(*IOp_DO).line.direction_2=(pwm<0);
pwm=htoes(mosi_packet.m_3);
if(pwm>pwm_duty_limit)pwm=pwm_duty_limit;
else if(pwm<-pwm_duty_limit)pwm=-pwm_duty_limit;
pwmx_set_pulsewidth(drv_pwm_3,abs(pwm));
(*IOp_DO).line.direction_3=(pwm<0);
}
/** Function for sending an SDO Abort reply.
*
* @param[in] index = index of object causing abort reply
* @param[in] sub-index = sub-index of object causing abort reply
* @param[in] abortcode = abort code to send in reply
*/
void SDO_abort (uint16_t index, uint8_t subindex, uint32_t abortcode)
{
uint8_t MBXout;
_COEsdo *coeres;
MBXout = ESC_claimbuffer ();
if (MBXout)
{
coeres = (_COEsdo *) &MBX[MBXout];
coeres->mbxheader.length = htoes (COE_DEFAULTLENGTH);
coeres->mbxheader.mbxtype = MBXCOE;
coeres->coeheader.numberservice =
htoes ((0 & 0x01f) | (COE_SDOREQUEST << 12));
coeres->index = htoes (index);
coeres->subindex = subindex;
coeres->command = COE_COMMAND_SDOABORT;
coeres->size = htoel (abortcode);
MBXcontrol[MBXout].state = MBXstate_outreq;
}
}
void* EC_Header::add(void *ecatHeader, uint8 com, uint8 idx, boolean more, uint16 ADP, uint16 ADO, uint16 length, int prevlength)
{
EC_Header* self = static_cast<EC_Header*>(ecatHeader);
/* add new datagram to ethernet frame size */
self->elength_ = htoes(etohs(self->elength_) + sizeof(EC_Header)+length);
/* add "datagram follows" flag to previous subframe dlength */
self->dlength_ = htoes(etohs(self->dlength_) | EC_DATAGRAMFOLLOWS);
/* set new EtherCAT header position */
size_t offset = (prevlength - sizeof(EtherNetHeader)) - sizeof(self->elength_);
self = reinterpret_cast<EC_Header*>(static_cast<uint8*>(ecatHeader)+offset);
self->command_ = com;
self->index_ = idx;
self->ADP_ = htoes(ADP);
self->ADO_ = htoes(ADO);
if (more)
{
/* this is not the last datagram to add */
self->dlength_ = htoes(length | EC_DATAGRAMFOLLOWS);
}
else
{
/* this is the last datagram in the frame */
self->dlength_ = htoes(length);
}
return reinterpret_cast<uint8*>(self)+sizeof(EC_Header);
}
/** Reconfigure slave.
*
* @param[in] slave = slave to reconfigure
* @return Slave state
*/
int ec_reconfig_slave(uint16 slave)
{
int state, nSM, FMMUc;
uint16 configadr;
configadr = ec_slave[slave].configadr;
if (ec_FPWRw(configadr, ECT_REG_ALCTL, htoes(EC_STATE_INIT), EC_TIMEOUTRET) <= 0)
return 0;
state = 0;
ec_eeprom2pdi(slave); /* set Eeprom control to PDI */
/* check state change init */
state = ec_statecheck(slave, EC_STATE_INIT, EC_TIMEOUTSTATE);
if (state == EC_STATE_INIT)
{
/* program all enabled SM */
for (nSM = 0; nSM < EC_MAXSM; nSM++)
{
if (ec_slave[slave].SM[nSM].StartAddr)
ec_FPWR(configadr, ECT_REG_SM0 + (nSM * sizeof(ec_smt)), sizeof(ec_smt), &ec_slave[slave].SM[nSM],
EC_TIMEOUTRET);
}
/* program configured FMMU */
for (FMMUc = 0; FMMUc < ec_slave[slave].FMMUunused; FMMUc++)
{
ec_FPWR(configadr, ECT_REG_FMMU0 + (sizeof(ec_fmmut) * FMMUc), sizeof(ec_fmmut), &ec_slave[slave].FMMU[FMMUc],
EC_TIMEOUTRET);
}
ec_FPWRw(configadr, ECT_REG_ALCTL, htoes(EC_STATE_PRE_OP), EC_TIMEOUTRET);
state = ec_statecheck(slave, EC_STATE_PRE_OP, EC_TIMEOUTSTATE); /* check state change pre-op */
if (state == EC_STATE_PRE_OP)
{
ec_FPWRw(configadr, ECT_REG_ALCTL, htoes(EC_STATE_SAFE_OP), EC_TIMEOUTRET); /* set safeop status */
state = ec_statecheck(slave, EC_STATE_SAFE_OP, EC_TIMEOUTSTATE); /* check state change safe-op */
}
}
return state;
}
uint16_t FOE_send_ack()
{
_FOE *foembx;
uint8_t mbxhandle;
mbxhandle = ESC_claimbuffer();
if(mbxhandle)
{
foembx = (_FOE*)&MBX[mbxhandle];
foembx->mbxheader.length = htoes(FOEHSIZE);
foembx->mbxheader.mbxtype = MBXFOE;
foembx->foeheader.opcode = FOE_OP_ACK;
foembx->foeheader.x.packetnumber = htoel(ESCvar.foepacket);
MBXcontrol[mbxhandle].state = MBXstate_outreq;
ESCvar.foepacket++;
return 0;
}
else
return FOE_ERR_PROGERROR;
}
void FOE_abort(uint32_t code)
{
_FOE *foembx;
uint8_t mbxhandle;
if(code)
{
/* Send back an error packet. */
mbxhandle = ESC_claimbuffer();
if(mbxhandle)
{
foembx = (_FOE*)&MBX[mbxhandle];
foembx->mbxheader.length = htoes(FOEHSIZE); /* Don't bother with error text for now. */
foembx->mbxheader.mbxtype = MBXFOE;
foembx->foeheader.opcode = FOE_OP_ERR;
foembx->foeheader.x.errorcode = htoel(code);
MBXcontrol[mbxhandle].state = MBXstate_outreq;
}
/* Nothing we can do if we can't get an outbound mailbox. */
}
FOE_init();
}
/* Sends an FoE data packet out, returning the number of data octets
* written or an error number.
* Error numbers will be greater than FOE_DATA_SIZE.*/
uint16_t FOE_send_data_packet()
{
_FOE *foembx;
uint16_t data_len;
uint8_t mbxhandle;
mbxhandle = ESC_claimbuffer();
if(mbxhandle)
{
foembx = (_FOE*)&MBX[mbxhandle];
data_len = FOE_fread(foembx->y.data, FOE_DATA_SIZE);
foembx->mbxheader.length = htoes(data_len + FOEHSIZE);
foembx->mbxheader.mbxtype = MBXFOE;
foembx->foeheader.opcode = FOE_OP_DATA;
foembx->foeheader.x.packetnumber = htoel(ESCvar.foepacket);
/* Mark the outbound mailbox as filled. */
MBXcontrol[mbxhandle].state = MBXstate_outreq;
ESCvar.foepacket++;
return data_len;
}
else
return FOE_ERR_PROGERROR;
}
/** Add EtherCAT datagram to a standard ethernet frame with existing datagram(s).
*
* @param[out] frame = framebuffer
* @param[in] com = command
* @param[in] idx = index used for TX and RX buffers
* @param[in] more = TRUE if still more datagrams to follow
* @param[in] ADP = Address Position
* @param[in] ADO = Address Offset
* @param[in] length = length of datagram excluding EtherCAT header
* @param[in] data = databuffer to be copied in datagram
* @return Offset to data in rx frame, usefull to retrieve data after RX.
*/
int ec_adddatagram(void *frame, uint8 com, uint8 idx, boolean more, uint16 ADP, uint16 ADO, uint16 length, void *data)
{
ec_comt *datagramP;
uint8 *frameP;
uint16 prevlength;
frameP = frame;
/* copy previous frame size */
prevlength = ec_txbuflength[idx];
datagramP = (ec_comt*)&frameP[ETH_HEADERSIZE];
/* add new datagram to ethernet frame size */
datagramP->elength = htoes( etohs(datagramP->elength) + EC_HEADERSIZE + length );
/* add "datagram follows" flag to previous subframe dlength */
datagramP->dlength = htoes( etohs(datagramP->dlength) | EC_DATAGRAMFOLLOWS );
/* set new EtherCAT header position */
datagramP = (ec_comt*)&frameP[prevlength - EC_ELENGTHSIZE];
datagramP->command = com;
datagramP->index = idx;
datagramP->ADP = htoes(ADP);
datagramP->ADO = htoes(ADO);
if (more)
{
/* this is not the last datagram to add */
datagramP->dlength = htoes(length | EC_DATAGRAMFOLLOWS);
}
else
{
/* this is the last datagram in the frame */
datagramP->dlength = htoes(length);
}
if (length > 0)
{
memcpy(&frameP[prevlength + EC_HEADERSIZE - EC_ELENGTHSIZE], data, length);
}
/* set WKC to zero */
frameP[prevlength + EC_HEADERSIZE - EC_ELENGTHSIZE + length] = 0x00;
frameP[prevlength + EC_HEADERSIZE - EC_ELENGTHSIZE + length + 1] = 0x00;
/* set size of frame in buffer array */
ec_txbuflength[idx] = prevlength + EC_HEADERSIZE - EC_ELENGTHSIZE + EC_WKCSIZE + length;
/* return offset to data in rx frame
14 bytes smaller than tx frame due to stripping of ethernet header */
return prevlength + EC_HEADERSIZE - EC_ELENGTHSIZE - ETH_HEADERSIZE;
}
/** FoE read, blocking.
*
* @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 in us, standard is EC_TIMEOUTRXM
* @return Workcounter from last slave response
*/
int ec_FOEread(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 = ec_mbxreceive(slave, (ec_mbxbuft *)&MbxIn, 0);
ec_clearmbx(&MbxOut);
aFOEp = (ec_FOEt *)&MbxIn;
FOEp = (ec_FOEt *)&MbxOut;
fnsize = strlen(filename);
maxdata = ec_slave[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(ec_slave[slave].mbx_cnt);
ec_slave[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 = ec_mbxsend(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 = ec_mbxreceive(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 += 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(ec_slave[slave].mbx_cnt);
ec_slave[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 = ec_mbxsend(slave, (ec_mbxbuft *)&MbxOut, EC_TIMEOUTTXM);
if (wkc <= 0)
worktodo = FALSE;
}
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 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] 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 ec_SoEwrite(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 = ec_mbxreceive(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 = ec_slave[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(ec_slave[slave].mbx_cnt);
ec_slave[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 = ec_mbxsend(slave, (ec_mbxbuft *)&MbxOut, EC_TIMEOUTTXM);
if (wkc > 0) /* succeeded to place mailbox in slave ? */
{
if (!NotLast || !ec_mbxempty(slave, timeout))
{
/* clean mailboxbuffer */
ec_clearmbx(&MbxIn);
/* read slave response */
wkc = ec_mbxreceive(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;
ec_SoEerror(slave, idn, *errorcode);
}
else
{
ec_packeterror(slave, idn, 0, 1); /* Unexpected frame returned */
}
wkc = 0;
}
}
else
{
ec_packeterror(slave, idn, 0, 4); /* no response */
}
}
}
}
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] 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 ec_SoEread(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 = ec_mbxreceive(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(ec_slave[slave].mbx_cnt);
ec_slave[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 = ec_mbxsend(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 = ec_mbxreceive(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;
ec_SoEerror(slave, idn, *errorcode);
}
else
{
ec_packeterror(slave, idn, 0, 1); /* Unexpected frame returned */
}
wkc = 0;
}
}
else
{
NotLast = FALSE;
ec_packeterror(slave, idn, 0, 4); /* no response */
}
}
}
return wkc;
}
/** Map all PDOs in one group of slaves to IOmap.
*
* @param[in] context = context struct
* @param[out] pIOmap = pointer to IOmap
* @param[in] group = group to map, 0 = all groups
* @return IOmap size
*/
int ecx_config_map_group(ecx_contextt *context, void *pIOmap, uint8 group)
{
uint16 slave, configadr;
int Isize, Osize, BitCount, ByteCount, FMMUsize, FMMUdone;
uint16 SMlength, EndAddr;
uint8 BitPos;
uint8 SMc, FMMUc;
uint32 LogAddr = 0;
uint32 oLogAddr = 0;
uint32 diff;
int nSM, rval;
ec_eepromPDOt eepPDO;
uint16 currentsegment = 0;
uint32 segmentsize = 0;
if ((*(context->slavecount) > 0) && (group < context->maxgroup))
{
EC_PRINT("ec_config_map_group IOmap:%p group:%d\n", pIOmap, group);
LogAddr = context->grouplist[group].logstartaddr;
oLogAddr = LogAddr;
BitPos = 0;
context->grouplist[group].nsegments = 0;
context->grouplist[group].outputsWKC = 0;
context->grouplist[group].inputsWKC = 0;
/* find output mapping of slave and program FMMU */
for (slave = 1; slave <= *(context->slavecount); slave++)
{
configadr = context->slavelist[slave].configadr;
ecx_statecheck(context, slave, EC_STATE_PRE_OP, EC_TIMEOUTSTATE); /* check state change pre-op */
EC_PRINT(" >Slave %d, configadr %x, state %2.2x\n",
slave, context->slavelist[slave].configadr, context->slavelist[slave].state);
/* execute special slave configuration hook Pre-Op to Safe-OP */
if(context->slavelist[slave].PO2SOconfig) /* only if registered */
{
context->slavelist[slave].PO2SOconfig(slave);
}
if (!group || (group == context->slavelist[slave].group))
{
/* if slave not found in configlist find IO mapping in slave self */
if (!context->slavelist[slave].configindex)
{
Isize = 0;
Osize = 0;
if (context->slavelist[slave].mbx_proto & ECT_MBXPROT_COE) /* has CoE */
{
rval = 0;
if (context->slavelist[slave].CoEdetails & ECT_COEDET_SDOCA) /* has Complete Access */
/* read PDO mapping via CoE and use Complete Access */
{
rval = ecx_readPDOmapCA(context, slave, &Osize, &Isize);
}
if (!rval) /* CA not available or not succeeded */
{
/* read PDO mapping via CoE */
rval = ecx_readPDOmap(context, slave, &Osize, &Isize);
}
EC_PRINT(" CoE Osize:%d Isize:%d\n", Osize, Isize);
}
if ((!Isize && !Osize) && (context->slavelist[slave].mbx_proto & ECT_MBXPROT_SOE)) /* has SoE */
{
/* read AT / MDT mapping via SoE */
rval = ecx_readIDNmap(context, slave, &Osize, &Isize);
context->slavelist[slave].SM[2].SMlength = htoes((Osize + 7) / 8);
context->slavelist[slave].SM[3].SMlength = htoes((Isize + 7) / 8);
EC_PRINT(" SoE Osize:%d Isize:%d\n", Osize, Isize);
}
if (!Isize && !Osize) /* find PDO mapping by SII */
{
memset(&eepPDO, 0, sizeof(eepPDO));
Isize = (int)ecx_siiPDO(context, slave, &eepPDO, 0);
EC_PRINT(" SII Isize:%d\n", Isize);
for( nSM=0 ; nSM < EC_MAXSM ; nSM++ )
{
if (eepPDO.SMbitsize[nSM] > 0)
{
context->slavelist[slave].SM[nSM].SMlength = htoes((eepPDO.SMbitsize[nSM] + 7) / 8);
context->slavelist[slave].SMtype[nSM] = 4;
EC_PRINT(" SM%d length %d\n", nSM, eepPDO.SMbitsize[nSM]);
}
}
Osize = (int)ecx_siiPDO(context, slave, &eepPDO, 1);
EC_PRINT(" SII Osize:%d\n", Osize);
for( nSM=0 ; nSM < EC_MAXSM ; nSM++ )
{
if (eepPDO.SMbitsize[nSM] > 0)
{
context->slavelist[slave].SM[nSM].SMlength = htoes((eepPDO.SMbitsize[nSM] + 7) / 8);
context->slavelist[slave].SMtype[nSM] = 3;
EC_PRINT(" SM%d length %d\n", nSM, eepPDO.SMbitsize[nSM]);
}
}
}
context->slavelist[slave].Obits = Osize;
context->slavelist[slave].Ibits = Isize;
EC_PRINT(" ISIZE:%d %d OSIZE:%d\n",
context->slavelist[slave].Ibits, Isize,context->slavelist[slave].Obits);
}
EC_PRINT(" SM programming\n");
if (!context->slavelist[slave].mbx_l && context->slavelist[slave].SM[0].StartAddr)
{
ecx_FPWR(context->port, configadr, ECT_REG_SM0,
sizeof(ec_smt), &(context->slavelist[slave].SM[0]), EC_TIMEOUTRET3);
EC_PRINT(" SM0 Type:%d StartAddr:%4.4x Flags:%8.8x\n",
context->slavelist[slave].SMtype[0],
context->slavelist[slave].SM[0].StartAddr,
context->slavelist[slave].SM[0].SMflags);
}
if (!context->slavelist[slave].mbx_l && context->slavelist[slave].SM[1].StartAddr)
{
ecx_FPWR(context->port, configadr, ECT_REG_SM1,
sizeof(ec_smt), &context->slavelist[slave].SM[1], EC_TIMEOUTRET3);
EC_PRINT(" SM1 Type:%d StartAddr:%4.4x Flags:%8.8x\n",
context->slavelist[slave].SMtype[1],
context->slavelist[slave].SM[1].StartAddr,
context->slavelist[slave].SM[1].SMflags);
}
/* program SM2 to SMx */
for( nSM = 2 ; nSM < EC_MAXSM ; nSM++ )
{
if (context->slavelist[slave].SM[nSM].StartAddr)
{
/* check if SM length is zero -> clear enable flag */
if( context->slavelist[slave].SM[nSM].SMlength == 0)
{
context->slavelist[slave].SM[nSM].SMflags =
htoel( etohl(context->slavelist[slave].SM[nSM].SMflags) & EC_SMENABLEMASK);
}
ecx_FPWR(context->port, configadr, ECT_REG_SM0 + (nSM * sizeof(ec_smt)),
sizeof(ec_smt), &context->slavelist[slave].SM[nSM], EC_TIMEOUTRET3);
EC_PRINT(" SM%d Type:%d StartAddr:%4.4x Flags:%8.8x\n", nSM,
context->slavelist[slave].SMtype[nSM],
context->slavelist[slave].SM[nSM].StartAddr,
context->slavelist[slave].SM[nSM].SMflags);
}
}
if (context->slavelist[slave].Ibits > 7)
{
context->slavelist[slave].Ibytes = (context->slavelist[slave].Ibits + 7) / 8;
}
if (context->slavelist[slave].Obits > 7)
{
context->slavelist[slave].Obytes = (context->slavelist[slave].Obits + 7) / 8;
}
FMMUc = context->slavelist[slave].FMMUunused;
SMc = 0;
BitCount = 0;
ByteCount = 0;
EndAddr = 0;
FMMUsize = 0;
FMMUdone = 0;
/* create output mapping */
if (context->slavelist[slave].Obits)
{
EC_PRINT(" OUTPUT MAPPING\n");
/* search for SM that contribute to the output mapping */
while ( (SMc < (EC_MAXSM - 1)) && (FMMUdone < ((context->slavelist[slave].Obits + 7) / 8)))
{
EC_PRINT(" FMMU %d\n", FMMUc);
while ( (SMc < (EC_MAXSM - 1)) && (context->slavelist[slave].SMtype[SMc] != 3)) SMc++;
EC_PRINT(" SM%d\n", SMc);
context->slavelist[slave].FMMU[FMMUc].PhysStart =
context->slavelist[slave].SM[SMc].StartAddr;
SMlength = etohs(context->slavelist[slave].SM[SMc].SMlength);
ByteCount += SMlength;
BitCount += SMlength * 8;
EndAddr = etohs(context->slavelist[slave].SM[SMc].StartAddr) + SMlength;
while ( (BitCount < context->slavelist[slave].Obits) && (SMc < (EC_MAXSM - 1)) ) /* more SM for output */
{
SMc++;
while ( (SMc < (EC_MAXSM - 1)) && (context->slavelist[slave].SMtype[SMc] != 3)) SMc++;
/* if addresses from more SM connect use one FMMU otherwise break up in mutiple FMMU */
if ( etohs(context->slavelist[slave].SM[SMc].StartAddr) > EndAddr )
{
break;
}
EC_PRINT(" SM%d\n", SMc);
SMlength = etohs(context->slavelist[slave].SM[SMc].SMlength);
ByteCount += SMlength;
BitCount += SMlength * 8;
EndAddr = etohs(context->slavelist[slave].SM[SMc].StartAddr) + SMlength;
}
/* bit oriented slave */
if (!context->slavelist[slave].Obytes)
{
context->slavelist[slave].FMMU[FMMUc].LogStart = htoel(LogAddr);
context->slavelist[slave].FMMU[FMMUc].LogStartbit = BitPos;
BitPos += context->slavelist[slave].Obits - 1;
if (BitPos > 7)
{
LogAddr++;
BitPos -= 8;
}
FMMUsize = LogAddr - etohl(context->slavelist[slave].FMMU[FMMUc].LogStart) + 1;
context->slavelist[slave].FMMU[FMMUc].LogLength = htoes(FMMUsize);
context->slavelist[slave].FMMU[FMMUc].LogEndbit = BitPos;
BitPos ++;
if (BitPos > 7)
{
LogAddr++;
BitPos -= 8;
}
}
/* byte oriented slave */
else
{
if (BitPos)
{
LogAddr++;
BitPos = 0;
}
context->slavelist[slave].FMMU[FMMUc].LogStart = htoel(LogAddr);
context->slavelist[slave].FMMU[FMMUc].LogStartbit = BitPos;
BitPos = 7;
FMMUsize = ByteCount;
if ((FMMUsize + FMMUdone)> (int)context->slavelist[slave].Obytes)
{
FMMUsize = context->slavelist[slave].Obytes - FMMUdone;
}
LogAddr += FMMUsize;
context->slavelist[slave].FMMU[FMMUc].LogLength = htoes(FMMUsize);
context->slavelist[slave].FMMU[FMMUc].LogEndbit = BitPos;
BitPos = 0;
}
FMMUdone += FMMUsize;
context->slavelist[slave].FMMU[FMMUc].PhysStartBit = 0;
context->slavelist[slave].FMMU[FMMUc].FMMUtype = 2;
context->slavelist[slave].FMMU[FMMUc].FMMUactive = 1;
/* program FMMU for output */
ecx_FPWR(context->port, configadr, ECT_REG_FMMU0 + (sizeof(ec_fmmut) * FMMUc),
sizeof(ec_fmmut), &(context->slavelist[slave].FMMU[FMMUc]), EC_TIMEOUTRET3);
context->grouplist[group].outputsWKC++;
if (!context->slavelist[slave].outputs)
{
context->slavelist[slave].outputs =
(uint8 *)(pIOmap) + etohl(context->slavelist[slave].FMMU[FMMUc].LogStart);
context->slavelist[slave].Ostartbit =
context->slavelist[slave].FMMU[FMMUc].LogStartbit;
EC_PRINT(" slave %d Outputs %p startbit %d\n",
slave,
context->slavelist[slave].outputs,
context->slavelist[slave].Ostartbit);
}
FMMUc++;
}
context->slavelist[slave].FMMUunused = FMMUc;
diff = LogAddr - oLogAddr;
oLogAddr = LogAddr;
if ((segmentsize + diff) > (EC_MAXLRWDATA - EC_FIRSTDCDATAGRAM))
{
context->grouplist[group].IOsegment[currentsegment] = segmentsize;
if (currentsegment < (EC_MAXIOSEGMENTS - 1))
{
currentsegment++;
segmentsize = diff;
}
}
else
{
segmentsize += diff;
}
}
}
}
if (BitPos)
{
LogAddr++;
oLogAddr = LogAddr;
BitPos = 0;
if ((segmentsize + 1) > (EC_MAXLRWDATA - EC_FIRSTDCDATAGRAM))
{
context->grouplist[group].IOsegment[currentsegment] = segmentsize;
if (currentsegment < (EC_MAXIOSEGMENTS - 1))
{
currentsegment++;
segmentsize = 1;
}
}
else
{
segmentsize += 1;
}
}
context->grouplist[group].outputs = pIOmap;
context->grouplist[group].Obytes = LogAddr;
context->grouplist[group].nsegments = currentsegment + 1;
context->grouplist[group].Isegment = currentsegment;
context->grouplist[group].Ioffset = segmentsize;
if (!group)
{
context->slavelist[0].outputs = pIOmap;
context->slavelist[0].Obytes = LogAddr; /* store output bytes in master record */
}
/* do input mapping of slave and program FMMUs */
for (slave = 1; slave <= *(context->slavecount); slave++)
{
configadr = context->slavelist[slave].configadr;
FMMUc = context->slavelist[slave].FMMUunused;
if (context->slavelist[slave].Obits) /* find free FMMU */
{
while ( context->slavelist[slave].FMMU[FMMUc].LogStart ) FMMUc++;
}
SMc = 0;
BitCount = 0;
ByteCount = 0;
EndAddr = 0;
FMMUsize = 0;
FMMUdone = 0;
/* create input mapping */
if (context->slavelist[slave].Ibits)
{
EC_PRINT(" =Slave %d, INPUT MAPPING\n", slave);
/* search for SM that contribute to the input mapping */
while ( (SMc < (EC_MAXSM - 1)) && (FMMUdone < ((context->slavelist[slave].Ibits + 7) / 8)))
{
EC_PRINT(" FMMU %d\n", FMMUc);
while ( (SMc < (EC_MAXSM - 1)) && (context->slavelist[slave].SMtype[SMc] != 4)) SMc++;
EC_PRINT(" SM%d\n", SMc);
context->slavelist[slave].FMMU[FMMUc].PhysStart =
context->slavelist[slave].SM[SMc].StartAddr;
SMlength = etohs(context->slavelist[slave].SM[SMc].SMlength);
ByteCount += SMlength;
BitCount += SMlength * 8;
EndAddr = etohs(context->slavelist[slave].SM[SMc].StartAddr) + SMlength;
while ( (BitCount < context->slavelist[slave].Ibits) && (SMc < (EC_MAXSM - 1)) ) /* more SM for input */
{
SMc++;
while ( (SMc < (EC_MAXSM - 1)) && (context->slavelist[slave].SMtype[SMc] != 4)) SMc++;
/* if addresses from more SM connect use one FMMU otherwise break up in mutiple FMMU */
if ( etohs(context->slavelist[slave].SM[SMc].StartAddr) > EndAddr )
{
break;
}
EC_PRINT(" SM%d\n", SMc);
SMlength = etohs(context->slavelist[slave].SM[SMc].SMlength);
ByteCount += SMlength;
BitCount += SMlength * 8;
EndAddr = etohs(context->slavelist[slave].SM[SMc].StartAddr) + SMlength;
}
/* bit oriented slave */
if (!context->slavelist[slave].Ibytes)
{
context->slavelist[slave].FMMU[FMMUc].LogStart = htoel(LogAddr);
context->slavelist[slave].FMMU[FMMUc].LogStartbit = BitPos;
BitPos += context->slavelist[slave].Ibits - 1;
if (BitPos > 7)
{
LogAddr++;
BitPos -= 8;
}
FMMUsize = LogAddr - etohl(context->slavelist[slave].FMMU[FMMUc].LogStart) + 1;
context->slavelist[slave].FMMU[FMMUc].LogLength = htoes(FMMUsize);
context->slavelist[slave].FMMU[FMMUc].LogEndbit = BitPos;
BitPos ++;
if (BitPos > 7)
{
LogAddr++;
BitPos -= 8;
}
}
/* byte oriented slave */
else
{
if (BitPos)
{
LogAddr++;
BitPos = 0;
}
context->slavelist[slave].FMMU[FMMUc].LogStart = htoel(LogAddr);
context->slavelist[slave].FMMU[FMMUc].LogStartbit = BitPos;
BitPos = 7;
FMMUsize = ByteCount;
if ((FMMUsize + FMMUdone)> (int)context->slavelist[slave].Ibytes)
{
FMMUsize = context->slavelist[slave].Ibytes - FMMUdone;
}
LogAddr += FMMUsize;
context->slavelist[slave].FMMU[FMMUc].LogLength = htoes(FMMUsize);
context->slavelist[slave].FMMU[FMMUc].LogEndbit = BitPos;
BitPos = 0;
}
FMMUdone += FMMUsize;
if (context->slavelist[slave].FMMU[FMMUc].LogLength)
{
context->slavelist[slave].FMMU[FMMUc].PhysStartBit = 0;
context->slavelist[slave].FMMU[FMMUc].FMMUtype = 1;
context->slavelist[slave].FMMU[FMMUc].FMMUactive = 1;
/* program FMMU for input */
ecx_FPWR(context->port, configadr, ECT_REG_FMMU0 + (sizeof(ec_fmmut) * FMMUc),
sizeof(ec_fmmut), &(context->slavelist[slave].FMMU[FMMUc]), EC_TIMEOUTRET3);
/* add one for an input FMMU */
context->grouplist[group].inputsWKC++;
}
if (!context->slavelist[slave].inputs)
{
context->slavelist[slave].inputs =
(uint8 *)(pIOmap) + etohl(context->slavelist[slave].FMMU[FMMUc].LogStart);
context->slavelist[slave].Istartbit =
context->slavelist[slave].FMMU[FMMUc].LogStartbit;
EC_PRINT(" Inputs %p startbit %d\n",
context->slavelist[slave].inputs,
context->slavelist[slave].Istartbit);
}
FMMUc++;
}
context->slavelist[slave].FMMUunused = FMMUc;
diff = LogAddr - oLogAddr;
oLogAddr = LogAddr;
if ((segmentsize + diff) > (EC_MAXLRWDATA - EC_FIRSTDCDATAGRAM))
{
context->grouplist[group].IOsegment[currentsegment] = segmentsize;
if (currentsegment < (EC_MAXIOSEGMENTS - 1))
{
currentsegment++;
segmentsize = diff;
}
}
else
{
segmentsize += diff;
}
}
ecx_eeprom2pdi(context, slave); /* set Eeprom control to PDI */
ecx_FPWRw(context->port, configadr, ECT_REG_ALCTL, htoes(EC_STATE_SAFE_OP) , EC_TIMEOUTRET3); /* set safeop status */
if (context->slavelist[slave].blockLRW)
{
context->grouplist[group].blockLRW++;
}
context->grouplist[group].Ebuscurrent += context->slavelist[slave].Ebuscurrent;
}
if (BitPos)
{
LogAddr++;
oLogAddr = LogAddr;
BitPos = 0;
if ((segmentsize + 1) > (EC_MAXLRWDATA - EC_FIRSTDCDATAGRAM))
{
context->grouplist[group].IOsegment[currentsegment] = segmentsize;
if (currentsegment < (EC_MAXIOSEGMENTS - 1))
{
currentsegment++;
segmentsize = 1;
}
}
else
{
segmentsize += 1;
}
}
context->grouplist[group].IOsegment[currentsegment] = segmentsize;
context->grouplist[group].nsegments = currentsegment + 1;
context->grouplist[group].inputs = (uint8 *)(pIOmap) + context->grouplist[group].Obytes;
context->grouplist[group].Ibytes = LogAddr - context->grouplist[group].Obytes;
if (!group)
{
context->slavelist[0].inputs = (uint8 *)(pIOmap) + context->slavelist[0].Obytes;
context->slavelist[0].Ibytes = LogAddr - context->slavelist[0].Obytes; /* store input bytes in master record */
}
EC_PRINT("IOmapSize %d\n", LogAddr - context->grouplist[group].logstartaddr);
return (LogAddr - context->grouplist[group].logstartaddr);
}
return 0;
}
/** Enumerate and init all slaves.
*
* @param[in] context = context struct
* @param[in] usetable = TRUE when using configtable to init slaves, FALSE otherwise
* @return Workcounter of slave discover datagram = number of slaves found
*/
int ecx_config_init(ecx_contextt *context, uint8 usetable)
{
uint16 w, slave, ADPh, configadr, ssigen;
uint16 topology, estat;
int16 topoc, slavec, aliasadr;
uint8 b,h;
uint8 zbuf[64];
uint8 SMc;
uint32 eedat;
int wkc, cindex, nSM, lp;
EC_PRINT("ec_config_init %d\n",usetable);
*(context->slavecount) = 0;
/* clean ec_slave array */
memset(context->slavelist, 0x00, sizeof(ec_slavet) * context->maxslave);
memset(&zbuf, 0x00, sizeof(zbuf));
memset(context->grouplist, 0x00, sizeof(ec_groupt) * context->maxgroup);
/* clear slave eeprom cache */
ecx_siigetbyte(context, 0, EC_MAXEEPBUF);
for(lp = 0; lp < context->maxgroup; lp++)
{
context->grouplist[lp].logstartaddr = lp << 16; /* default start address per group entry */
}
/* make special pre-init register writes to enable MAC[1] local administered bit *
* setting for old netX100 slaves */
b = 0x00;
ecx_BWR(context->port, 0x0000, ECT_REG_DLALIAS, sizeof(b), &b, EC_TIMEOUTRET3); /* Ignore Alias register */
b = EC_STATE_INIT | EC_STATE_ACK;
ecx_BWR(context->port, 0x0000, ECT_REG_ALCTL, sizeof(b), &b, EC_TIMEOUTRET3); /* Reset all slaves to Init */
/* netX100 should now be happy */
wkc = ecx_BWR(context->port, 0x0000, ECT_REG_ALCTL, sizeof(b), &b, EC_TIMEOUTRET3); /* Reset all slaves to Init */
printf("wkc = %d\n",wkc);
w = 0x0000;
wkc = ecx_BRD(context->port, 0x0000, ECT_REG_TYPE, sizeof(w), &w, EC_TIMEOUTSAFE); /* detect number of slaves */
if (wkc > 0)
{
*(context->slavecount) = wkc;
b = 0x00;
ecx_BWR(context->port, 0x0000, ECT_REG_DLPORT, sizeof(b), &b, EC_TIMEOUTRET3); /* deact loop manual */
w = htoes(0x0004);
ecx_BWR(context->port, 0x0000, ECT_REG_IRQMASK, sizeof(w), &w, EC_TIMEOUTRET3); /* set IRQ mask */
ecx_BWR(context->port, 0x0000, ECT_REG_RXERR, 8, &zbuf, EC_TIMEOUTRET3); /* reset CRC counters */
ecx_BWR(context->port, 0x0000, ECT_REG_FMMU0, 16 * 3, &zbuf, EC_TIMEOUTRET3); /* reset FMMU's */
ecx_BWR(context->port, 0x0000, ECT_REG_SM0, 8 * 4, &zbuf, EC_TIMEOUTRET3); /* reset SyncM */
ecx_BWR(context->port, 0x0000, ECT_REG_DCSYSTIME, 4, &zbuf, EC_TIMEOUTRET3); /* reset system time+ofs */
w = htoes(0x1000);
ecx_BWR(context->port, 0x0000, ECT_REG_DCSPEEDCNT, sizeof(w), &w, EC_TIMEOUTRET3); /* DC speedstart */
w = htoes(0x0c00);
ecx_BWR(context->port, 0x0000, ECT_REG_DCTIMEFILT, sizeof(w), &w, EC_TIMEOUTRET3); /* DC filt expr */
b = 0x00;
ecx_BWR(context->port, 0x0000, ECT_REG_DLALIAS, sizeof(b), &b, EC_TIMEOUTRET3); /* Ignore Alias register */
b = EC_STATE_INIT | EC_STATE_ACK;
ecx_BWR(context->port, 0x0000, ECT_REG_ALCTL, sizeof(b), &b, EC_TIMEOUTRET3); /* Reset all slaves to Init */
b = 2;
ecx_BWR(context->port, 0x0000, ECT_REG_EEPCFG, sizeof(b), &b , EC_TIMEOUTRET3); /* force Eeprom from PDI */
b = 0;
ecx_BWR(context->port, 0x0000, ECT_REG_EEPCFG, sizeof(b), &b , EC_TIMEOUTRET3); /* set Eeprom to master */
for (slave = 1; slave <= *(context->slavecount); slave++)
{
ADPh = (uint16)(1 - slave);
context->slavelist[slave].Itype =
etohs(ecx_APRDw(context->port, ADPh, ECT_REG_PDICTL, EC_TIMEOUTRET3)); /* read interface type of slave */
/* a node offset is used to improve readibility of network frames */
/* this has no impact on the number of addressable slaves (auto wrap around) */
ecx_APWRw(context->port, ADPh, ECT_REG_STADR, htoes(slave + EC_NODEOFFSET) , EC_TIMEOUTRET3); /* set node address of slave */
if (slave == 1)
{
b = 1; /* kill non ecat frames for first slave */
}
else
{
b = 0; /* pass all frames for following slaves */
}
ecx_APWRw(context->port, ADPh, ECT_REG_DLCTL, htoes(b), EC_TIMEOUTRET3); /* set non ecat frame behaviour */
configadr = etohs(ecx_APRDw(context->port, ADPh, ECT_REG_STADR, EC_TIMEOUTRET3));
context->slavelist[slave].configadr = configadr;
ecx_FPRD(context->port, configadr, ECT_REG_ALIAS, sizeof(aliasadr), &aliasadr, EC_TIMEOUTRET3);
context->slavelist[slave].aliasadr = etohs(aliasadr);
ecx_FPRD(context->port, configadr, ECT_REG_EEPSTAT, sizeof(estat), &estat, EC_TIMEOUTRET3);
estat = etohs(estat);
if (estat & EC_ESTAT_R64) /* check if slave can read 8 byte chunks */
{
context->slavelist[slave].eep_8byte = 1;
}
ecx_readeeprom1(context, slave, ECT_SII_MANUF); /* Manuf */
}
for (slave = 1; slave <= *(context->slavecount); slave++)
{
context->slavelist[slave].eep_man =
etohl(ecx_readeeprom2(context, slave, EC_TIMEOUTEEP)); /* Manuf */
ecx_readeeprom1(context, slave, ECT_SII_ID); /* ID */
}
for (slave = 1; slave <= *(context->slavecount); slave++)
{
context->slavelist[slave].eep_id =
etohl(ecx_readeeprom2(context, slave, EC_TIMEOUTEEP)); /* ID */
ecx_readeeprom1(context, slave, ECT_SII_REV); /* revision */
}
for (slave = 1; slave <= *(context->slavecount); slave++)
{
context->slavelist[slave].eep_rev =
etohl(ecx_readeeprom2(context, slave, EC_TIMEOUTEEP)); /* revision */
ecx_readeeprom1(context, slave, ECT_SII_RXMBXADR); /* write mailbox address + mailboxsize */
}
for (slave = 1; slave <= *(context->slavecount); slave++)
{
eedat = etohl(ecx_readeeprom2(context, slave, EC_TIMEOUTEEP)); /* write mailbox address and mailboxsize */
context->slavelist[slave].mbx_wo = (uint16)LO_WORD(eedat);
context->slavelist[slave].mbx_l = (uint16)HI_WORD(eedat);
if (context->slavelist[slave].mbx_l > 0)
{
ecx_readeeprom1(context, slave, ECT_SII_TXMBXADR); /* read mailbox offset */
}
}
for (slave = 1; slave <= *(context->slavecount); slave++)
{
if (context->slavelist[slave].mbx_l > 0)
{
eedat = etohl(ecx_readeeprom2(context, slave, EC_TIMEOUTEEP)); /* read mailbox offset */
context->slavelist[slave].mbx_ro = (uint16)LO_WORD(eedat); /* read mailbox offset */
context->slavelist[slave].mbx_rl = (uint16)HI_WORD(eedat); /*read mailbox length */
if (context->slavelist[slave].mbx_rl == 0)
{
context->slavelist[slave].mbx_rl = context->slavelist[slave].mbx_l;
}
}
configadr = context->slavelist[slave].configadr;
if ((etohs(ecx_FPRDw(context->port, configadr, ECT_REG_ESCSUP, EC_TIMEOUTRET3)) & 0x04) > 0) /* Support DC? */
{
context->slavelist[slave].hasdc = TRUE;
}
else
{
context->slavelist[slave].hasdc = FALSE;
}
topology = etohs(ecx_FPRDw(context->port, configadr, ECT_REG_DLSTAT, EC_TIMEOUTRET3)); /* extract topology from DL status */
h = 0;
b = 0;
if ((topology & 0x0300) == 0x0200) /* port0 open and communication established */
{
h++;
b |= 0x01;
}
if ((topology & 0x0c00) == 0x0800) /* port1 open and communication established */
{
h++;
b |= 0x02;
}
if ((topology & 0x3000) == 0x2000) /* port2 open and communication established */
{
h++;
b |= 0x04;
}
if ((topology & 0xc000) == 0x8000) /* port3 open and communication established */
{
h++;
b |= 0x08;
}
/* ptype = Physical type*/
context->slavelist[slave].ptype =
LO_BYTE(etohs(ecx_FPRDw(context->port, configadr, ECT_REG_PORTDES, EC_TIMEOUTRET3)));
context->slavelist[slave].topology = h;
context->slavelist[slave].activeports = b;
/* 0=no links, not possible */
/* 1=1 link , end of line */
/* 2=2 links , one before and one after */
/* 3=3 links , split point */
/* 4=4 links , cross point */
/* search for parent */
context->slavelist[slave].parent = 0; /* parent is master */
if (slave > 1)
{
topoc = 0;
slavec = slave - 1;
do
{
topology = context->slavelist[slavec].topology;
if (topology == 1)
{
topoc--; /* endpoint found */
}
if (topology == 3)
{
topoc++; /* split found */
}
if (topology == 4)
{
topoc += 2; /* cross found */
}
if (((topoc >= 0) && (topology > 1)) ||
(slavec == 1)) /* parent found */
{
context->slavelist[slave].parent = slavec;
slavec = 1;
}
slavec--;
}
while (slavec > 0);
}
w = ecx_statecheck(context, slave, EC_STATE_INIT, EC_TIMEOUTSTATE); //* check state change Init */
/* set default mailbox configuration if slave has mailbox */
if (context->slavelist[slave].mbx_l>0)
{
context->slavelist[slave].SMtype[0] = 1;
context->slavelist[slave].SMtype[1] = 2;
context->slavelist[slave].SMtype[2] = 3;
context->slavelist[slave].SMtype[3] = 4;
context->slavelist[slave].SM[0].StartAddr = htoes(context->slavelist[slave].mbx_wo);
context->slavelist[slave].SM[0].SMlength = htoes(context->slavelist[slave].mbx_l);
context->slavelist[slave].SM[0].SMflags = htoel(EC_DEFAULTMBXSM0);
context->slavelist[slave].SM[1].StartAddr = htoes(context->slavelist[slave].mbx_ro);
context->slavelist[slave].SM[1].SMlength = htoes(context->slavelist[slave].mbx_rl);
context->slavelist[slave].SM[1].SMflags = htoel(EC_DEFAULTMBXSM1);
context->slavelist[slave].mbx_proto =
ecx_readeeprom(context, slave, ECT_SII_MBXPROTO, EC_TIMEOUTEEP);
}
cindex = 0;
#ifdef EC_VER1
/* use configuration table ? */
if (usetable)
{
cindex = ec_findconfig( context->slavelist[slave].eep_man, context->slavelist[slave].eep_id );
context->slavelist[slave].configindex= cindex;
}
/* slave found in configuration table ? */
if (cindex)
{
context->slavelist[slave].Dtype = ec_configlist[cindex].Dtype;
strcpy(context->slavelist[slave].name ,ec_configlist[cindex].name);
context->slavelist[slave].Ibits = ec_configlist[cindex].Ibits;
context->slavelist[slave].Obits = ec_configlist[cindex].Obits;
if (context->slavelist[slave].Obits)
{
context->slavelist[slave].FMMU0func = 1;
}
if (context->slavelist[slave].Ibits)
{
context->slavelist[slave].FMMU1func = 2;
}
context->slavelist[slave].FMMU[0].FMMUactive = ec_configlist[cindex].FM0ac;
context->slavelist[slave].FMMU[1].FMMUactive = ec_configlist[cindex].FM1ac;
context->slavelist[slave].SM[2].StartAddr = htoes(ec_configlist[cindex].SM2a);
context->slavelist[slave].SM[2].SMflags = htoel(ec_configlist[cindex].SM2f);
/* simple (no mailbox) output slave found ? */
if (context->slavelist[slave].Obits && !context->slavelist[slave].SM[2].StartAddr)
{
context->slavelist[slave].SM[0].StartAddr = htoes(0x0f00);
context->slavelist[slave].SM[0].SMlength = htoes((context->slavelist[slave].Obits + 7) / 8);
context->slavelist[slave].SM[0].SMflags = htoel(EC_DEFAULTDOSM0);
context->slavelist[slave].FMMU[0].FMMUactive = 1;
context->slavelist[slave].FMMU[0].FMMUtype = 2;
context->slavelist[slave].SMtype[0] = 3;
}
/* complex output slave */
else
{
context->slavelist[slave].SM[2].SMlength = htoes((context->slavelist[slave].Obits + 7) / 8);
context->slavelist[slave].SMtype[2] = 3;
}
context->slavelist[slave].SM[3].StartAddr = htoes(ec_configlist[cindex].SM3a);
context->slavelist[slave].SM[3].SMflags = htoel(ec_configlist[cindex].SM3f);
/* simple (no mailbox) input slave found ? */
if (context->slavelist[slave].Ibits && !context->slavelist[slave].SM[3].StartAddr)
{
context->slavelist[slave].SM[1].StartAddr = htoes(0x1000);
context->slavelist[slave].SM[1].SMlength = htoes((context->slavelist[slave].Ibits + 7) / 8);
context->slavelist[slave].SM[1].SMflags = htoel(0x00000000);
context->slavelist[slave].FMMU[1].FMMUactive = 1;
context->slavelist[slave].FMMU[1].FMMUtype = 1;
context->slavelist[slave].SMtype[1] = 4;
}
/* complex input slave */
else
{
context->slavelist[slave].SM[3].SMlength = htoes((context->slavelist[slave].Ibits + 7) / 8);
context->slavelist[slave].SMtype[3] = 4;
}
}
/* slave not in configuration table, find out via SII */
else
#endif
{
ssigen = ecx_siifind(context, slave, ECT_SII_GENERAL);
/* SII general section */
if (ssigen)
{
context->slavelist[slave].CoEdetails = ecx_siigetbyte(context, slave, ssigen + 0x07);
context->slavelist[slave].FoEdetails = ecx_siigetbyte(context, slave, ssigen + 0x08);
context->slavelist[slave].EoEdetails = ecx_siigetbyte(context, slave, ssigen + 0x09);
context->slavelist[slave].SoEdetails = ecx_siigetbyte(context, slave, ssigen + 0x0a);
if((ecx_siigetbyte(context, slave, ssigen + 0x0d) & 0x02) > 0)
{
context->slavelist[slave].blockLRW = 1;
context->slavelist[0].blockLRW++;
}
context->slavelist[slave].Ebuscurrent = ecx_siigetbyte(context, slave, ssigen + 0x0e);
context->slavelist[slave].Ebuscurrent += ecx_siigetbyte(context, slave, ssigen + 0x0f) << 8;
context->slavelist[0].Ebuscurrent += context->slavelist[slave].Ebuscurrent;
}
/* SII strings section */
if (ecx_siifind(context, slave, ECT_SII_STRING) > 0)
{
ecx_siistring(context, context->slavelist[slave].name, slave, 1);
}
/* no name for slave found, use constructed name */
else
{
sprintf(context->slavelist[slave].name, "? M:%8.8x I:%8.8x",
(unsigned int)context->slavelist[slave].eep_man,
(unsigned int)context->slavelist[slave].eep_id);
}
/* SII SM section */
nSM = ecx_siiSM(context, slave, context->eepSM);
if (nSM>0)
{
context->slavelist[slave].SM[0].StartAddr = htoes(context->eepSM->PhStart);
context->slavelist[slave].SM[0].SMlength = htoes(context->eepSM->Plength);
context->slavelist[slave].SM[0].SMflags =
htoel((context->eepSM->Creg) + (context->eepSM->Activate << 16));
SMc = 1;
while ((SMc < EC_MAXSM) && ecx_siiSMnext(context, slave, context->eepSM, SMc))
{
context->slavelist[slave].SM[SMc].StartAddr = htoes(context->eepSM->PhStart);
context->slavelist[slave].SM[SMc].SMlength = htoes(context->eepSM->Plength);
context->slavelist[slave].SM[SMc].SMflags =
htoel((context->eepSM->Creg) + (context->eepSM->Activate << 16));
SMc++;
}
}
/* SII FMMU section */
if (ecx_siiFMMU(context, slave, context->eepFMMU))
{
if (context->eepFMMU->FMMU0 !=0xff)
{
context->slavelist[slave].FMMU0func = context->eepFMMU->FMMU0;
}
if (context->eepFMMU->FMMU1 !=0xff)
{
context->slavelist[slave].FMMU1func = context->eepFMMU->FMMU1;
}
if (context->eepFMMU->FMMU2 !=0xff)
{
context->slavelist[slave].FMMU2func = context->eepFMMU->FMMU2;
}
if (context->eepFMMU->FMMU3 !=0xff)
{
context->slavelist[slave].FMMU3func = context->eepFMMU->FMMU3;
}
}
}
if (context->slavelist[slave].mbx_l > 0)
{
if (context->slavelist[slave].SM[0].StartAddr == 0x0000) /* should never happen */
{
EC_PRINT("Slave %d has no proper mailbox in configuration, try default.\n", slave);
context->slavelist[slave].SM[0].StartAddr = htoes(0x1000);
context->slavelist[slave].SM[0].SMlength = htoes(0x0080);
context->slavelist[slave].SM[0].SMflags = htoel(EC_DEFAULTMBXSM0);
context->slavelist[slave].SMtype[0] = 1;
}
if (context->slavelist[slave].SM[1].StartAddr == 0x0000) /* should never happen */
{
EC_PRINT("Slave %d has no proper mailbox out configuration, try default.\n", slave);
context->slavelist[slave].SM[1].StartAddr = htoes(0x1080);
context->slavelist[slave].SM[1].SMlength = htoes(0x0080);
context->slavelist[slave].SM[1].SMflags = htoel(EC_DEFAULTMBXSM1);
context->slavelist[slave].SMtype[1] = 2;
}
/* program SM0 mailbox in and SM1 mailbox out for slave */
/* writing both SM in one datagram will solve timing issue in old NETX */
ecx_FPWR(context->port, configadr, ECT_REG_SM0, sizeof(ec_smt) * 2,
&(context->slavelist[slave].SM[0]), EC_TIMEOUTRET3);
}
/* request pre_op for slave */
ecx_FPWRw(context->port, configadr, ECT_REG_ALCTL, htoes(EC_STATE_PRE_OP | EC_STATE_ACK) , EC_TIMEOUTRET3); /* set preop status */
}
}
return wkc;
}
void update_DAC(void){
write_DAC(0x00,(2048+htoes(mosi_packet.aout_1))<<4);
write_DAC(0x02,(2048+htoes(mosi_packet.aout_2))<<4);
}
void read_ADC(void){
uint16_t ADC;
int16_t ADC_current;
miso_packet.digital_in.line.power_status=1;
for(uint8_t i=0;i<16;i++){
(*IOp_B).adc_enable=0;
(*IOp_B).adc_address=i;
ADC=((*(uint16_t*)ADC_1_BASE_ADDRESS)>>1)&0x0FFF;
(*IOp_B).adc_enable=1;
switch(i){
// No break needed
case 0:
miso_packet.force_1=htoes(ADC);
break;
case 1:
miso_packet.pos_1=htoes(ADC);
break;
case 2:
miso_packet.force_2=htoes(ADC);
break;
case 3:
miso_packet.pos_2=htoes(ADC);
break;
case 4:
miso_packet.force_3=htoes(ADC);
break;
case 5:
miso_packet.pos_3=htoes(ADC);
break;
case 6:
if(ADC<(1487*92/100))miso_packet.digital_in.line.power_status=0;
else if(ADC>(1487*108/100))miso_packet.digital_in.line.power_status=0;
break;
case 7:
if(ADC<(2046*91/100))miso_packet.digital_in.line.power_status=0;
else if(ADC>(2046*109/100))miso_packet.digital_in.line.power_status=0;
break;
case 8:
// Check for 5V ADC
if(ADC<(3071*90/100))miso_packet.digital_in.line.power_status=0;
else if(ADC>(3071*110/100))miso_packet.digital_in.line.power_status=0;
break;
case 9:
if(ADC<(2660*83/100))miso_packet.digital_in.line.power_status=0;
else if(ADC>(2660*117/100))miso_packet.digital_in.line.power_status=0;
break;
case 10:
if(ADC<(2729*83/100))miso_packet.digital_in.line.power_status=0;
else if(ADC>(2729*117/100))miso_packet.digital_in.line.power_status=0;
break;
case 11:
ADC_current=ADC;
ADC_current-=2048;
ADC_current*=2;
miso_packet.current_1=htoes(ADC_current);
break;
case 12:
ADC_current=ADC;
ADC_current-=2048;
miso_packet.current_2=htoes(ADC_current);
break;
case 13:
ADC_current=ADC;
ADC_current-=2048;
miso_packet.current_3=htoes(ADC_current);
break;
case 14:
miso_packet.spare_ai_1=htoes(ADC);
break;
case 15:
miso_packet.spare_ai_2=htoes(ADC);
break;
}
}
}
/** Enumerate and init all slaves.
*
* @param[in] usetable = TRUE when using configtable to init slaves, FALSE otherwise
* @return Workcounter of slave discover datagram = number of slaves found
*/
int ec_config_init(uint8 usetable)
{
uint16 w, slave, ADPh, configadr, mbx_wo, mbx_ro, mbx_l, ssigen;
uint16 topology, estat;
int16 topoc, slavec;
uint8 b,h;
uint8 zbuf[64];
uint8 SMc;
uint32 eedat;
int wkc, cindex, nSM;
ec_slavecount = 0;
/* clean ec_slave array */
memset(&ec_slave, 0x00, sizeof(ec_slave));
memset(&zbuf, 0x00, sizeof(zbuf));
w = 0x0000;
wkc = ec_BRD(0x0000, ECT_REG_TYPE, sizeof(w), &w, EC_TIMEOUTSAFE); /* detect number of slaves */
if (wkc > 0)
{
ec_slavecount = wkc;
b = 0x00;
ec_BWR(0x0000, ECT_REG_DLPORT, sizeof(b), &b, EC_TIMEOUTRET); /* deact loop manual */
w = htoes(0x0004);
ec_BWR(0x0000, ECT_REG_IRQMASK, sizeof(w), &w, EC_TIMEOUTRET); /* set IRQ mask */
ec_BWR(0x0000, ECT_REG_RXERR, 8, &zbuf, EC_TIMEOUTRET); /* reset CRC counters */
ec_BWR(0x0000, ECT_REG_FMMU0, 16 * 3, &zbuf, EC_TIMEOUTRET); /* reset FMMU's */
ec_BWR(0x0000, ECT_REG_SM0, 8 * 4, &zbuf, EC_TIMEOUTRET); /* reset SyncM */
ec_BWR(0x0000, ECT_REG_DCSYSTIME, 4, &zbuf, EC_TIMEOUTRET); /* reset system time+ofs */
w = htoes(0x1000);
ec_BWR(0x0000, ECT_REG_DCSPEEDCNT, sizeof(w), &w, EC_TIMEOUTRET); /* DC speedstart */
w = htoes(0x0c00);
ec_BWR(0x0000, ECT_REG_DCTIMEFILT, sizeof(w), &w, EC_TIMEOUTRET); /* DC filt expr */
b = 0x00;
ec_BWR(0x0000, ECT_REG_DLALIAS, sizeof(b), &b, EC_TIMEOUTRET); /* Ignore Alias register */
b = EC_STATE_INIT | EC_STATE_ACK;
ec_BWR(0x0000, ECT_REG_ALCTL, sizeof(b), &b, EC_TIMEOUTRET); /* Reset all slaves to Init */
b = 2;
ec_BWR(0x0000, ECT_REG_EEPCFG, sizeof(b), &b , EC_TIMEOUTRET); /* force Eeprom from PDI */
b = 0;
ec_BWR(0x0000, ECT_REG_EEPCFG, sizeof(b), &b , EC_TIMEOUTRET); /* set Eeprom to master */
for (slave = 1; slave <= ec_slavecount; slave++)
{
ADPh = (uint16)(1 - slave);
ec_slave[slave].Itype = etohs(ec_APRDw(ADPh, ECT_REG_PDICTL, EC_TIMEOUTRET)); /* read interface type of slave */
/* a node offset is used to improve readibility of network frames */
/* this has no impact on the number of addressable slaves (auto wrap around) */
ec_APWRw(ADPh, ECT_REG_STADR, htoes(slave + EC_NODEOFFSET) , EC_TIMEOUTRET); /* set node address of slave */
if (slave == 1)
{
b = 1; /* kill non ecat frames for first slave */
}
else
{
b = 0; /* pass all frames for following slaves */
}
ec_APWRw(ADPh, ECT_REG_DLCTL, htoes(b), EC_TIMEOUTRET); /* set non ecat frame behaviour */
configadr = etohs(ec_APRDw(ADPh, ECT_REG_STADR, EC_TIMEOUTRET));
ec_slave[slave].configadr = configadr;
ec_FPRD(configadr, ECT_REG_EEPSTAT, sizeof(estat), &estat, EC_TIMEOUTRET);
estat = etohs(estat);
if ((estat & (1 << 6))) /* check if slave can read 8 byte chunks */
{
ec_slave[slave].eep_8byte = 1;
}
ec_readeeprom1(slave, ECT_SII_MANUF); /* Manuf */
}
for (slave = 1; slave <= ec_slavecount; slave++)
{
ec_slave[slave].eep_man = etohl(ec_readeeprom2(slave, EC_TIMEOUTEEP)); /* Manuf */
ec_readeeprom1(slave, ECT_SII_ID); /* ID */
}
for (slave = 1; slave <= ec_slavecount; slave++)
{
ec_slave[slave].eep_id = etohl(ec_readeeprom2(slave, EC_TIMEOUTEEP)); /* ID */
ec_readeeprom1(slave, ECT_SII_REV); /* revision */
}
for (slave = 1; slave <= ec_slavecount; slave++)
{
ec_slave[slave].eep_rev = etohl(ec_readeeprom2(slave, EC_TIMEOUTEEP)); /* revision */
ec_readeeprom1(slave, ECT_SII_RXMBXADR); /* write mailbox address + mailboxsize */
}
for (slave = 1; slave <= ec_slavecount; slave++)
{
eedat = etohl(ec_readeeprom2(slave, EC_TIMEOUTEEP)); /* write mailbox address and mailboxsize */
ec_slave[slave].mbx_wo = (uint16)LO_WORD(eedat);
ec_slave[slave].mbx_l = (uint16)HI_WORD(eedat);
if (ec_slave[slave].mbx_l > 0)
{
ec_readeeprom1(slave, ECT_SII_TXMBXADR); /* read mailbox offset */
}
}
for (slave = 1; slave <= ec_slavecount; slave++)
{
if (ec_slave[slave].mbx_l > 0)
{
ec_slave[slave].mbx_ro = (uint16)etohl(ec_readeeprom2(slave, EC_TIMEOUTEEP)); /* read mailbox offset */
}
configadr = ec_slave[slave].configadr;
mbx_ro = ec_slave[slave].mbx_ro;
mbx_wo = ec_slave[slave].mbx_wo;
mbx_l = ec_slave[slave].mbx_l;
if ((etohs(ec_FPRDw(configadr, ECT_REG_ESCSUP, EC_TIMEOUTRET)) & 0x04) > 0) /* Support DC? */
{
ec_slave[slave].hasdc = TRUE;
}
else
{
ec_slave[slave].hasdc = FALSE;
}
topology = etohs(ec_FPRDw(configadr, ECT_REG_DLSTAT, EC_TIMEOUTRET)); /* extract topology from DL status */
h = 0;
b = 0;
if ((topology & 0x0300) == 0x0200) /* port0 open and communication established */
{
h++;
b |= 0x01;
}
if ((topology & 0x0c00) == 0x0800) /* port1 open and communication established */
{
h++;
b |= 0x02;
}
if ((topology & 0x3000) == 0x2000) /* port2 open and communication established */
{
h++;
b |= 0x04;
}
if ((topology & 0xc000) == 0x8000) /* port3 open and communication established */
{
h++;
b |= 0x08;
}
/* ptype = Physical type*/
ec_slave[slave].ptype = LO_BYTE(etohs(ec_FPRDw(configadr, ECT_REG_PORTDES, EC_TIMEOUTRET)));
ec_slave[slave].topology = h;
ec_slave[slave].activeports = b;
/* 0=no links, not possible */
/* 1=1 link , end of line */
/* 2=2 links , one before and one after */
/* 3=3 links , split point */
/* 4=4 links , cross point */
/* search for parent */
ec_slave[slave].parent = 0; /* parent is master */
if (slave > 1)
{
topoc = 0;
slavec = slave - 1;
do
{
topology = ec_slave[slavec].topology;
if (topology == 1)
{
topoc--; /* endpoint found */
}
if (topology == 3)
{
topoc++; /* split found */
}
if (topology == 4)
{
topoc+=2; /* cross found */
}
if (((topoc >= 0) && (topology > 1)) ||
(slavec == 1)) /* parent found */
{
ec_slave[slave].parent = slavec;
slavec = 1;
}
slavec--;
}
while (slavec > 0);
}
w = ec_statecheck(slave, EC_STATE_INIT, EC_TIMEOUTSTATE); //* check state change Init */
/* set default mailbox configuration if slave has mailbox */
if (ec_slave[slave].mbx_l>0)
{
ec_slave[slave].SMtype[0] = 0;
ec_slave[slave].SMtype[1] = 1;
ec_slave[slave].SMtype[2] = 2;
ec_slave[slave].SMtype[3] = 3;
ec_slave[slave].SM[0].StartAddr = htoes(ec_slave[slave].mbx_wo);
ec_slave[slave].SM[0].SMlength = htoes(ec_slave[slave].mbx_l);
ec_slave[slave].SM[0].SMflags = htoel(EC_DEFAULTMBXSM0);
ec_slave[slave].SM[1].StartAddr = htoes(ec_slave[slave].mbx_ro);
ec_slave[slave].SM[1].SMlength = htoes(ec_slave[slave].mbx_l);
ec_slave[slave].SM[1].SMflags = htoel(EC_DEFAULTMBXSM1);
ec_slave[slave].mbx_proto = ec_readeeprom (slave, ECT_SII_MBXPROTO, EC_TIMEOUTEEP);
}
cindex = 0;
/* use configuration table ? */
if (usetable)
{
cindex = ec_findconfig( ec_slave[slave].eep_man, ec_slave[slave].eep_id );
ec_slave[slave].configindex= cindex;
}
/* slave found in configuration table ? */
if (cindex)
{
ec_slave[slave].Dtype = ec_configlist[cindex].Dtype;
strcpy( ec_slave[slave].name ,ec_configlist[cindex].name);
ec_slave[slave].Ibits = ec_configlist[cindex].Ibits;
ec_slave[slave].Obits = ec_configlist[cindex].Obits;
if (ec_slave[slave].Obits)
{
ec_slave[slave].FMMU0func = 1;
}
if (ec_slave[slave].Ibits)
{
ec_slave[slave].FMMU1func = 2;
}
ec_slave[slave].FMMU[0].FMMUactive = ec_configlist[cindex].FM0ac;
ec_slave[slave].FMMU[1].FMMUactive = ec_configlist[cindex].FM1ac;
ec_slave[slave].SM[2].StartAddr = htoes(ec_configlist[cindex].SM2a);
ec_slave[slave].SM[2].SMflags = htoel(ec_configlist[cindex].SM2f);
/* simple (no mailbox) output slave found ? */
if (ec_slave[slave].Obits && !ec_slave[slave].SM[2].StartAddr)
{
ec_slave[slave].SM[0].StartAddr = htoes(0x0f00);
ec_slave[slave].SM[0].SMlength = htoes((ec_slave[slave].Obits + 7) / 8);
ec_slave[slave].SM[0].SMflags = htoel(EC_DEFAULTDOSM0);
ec_slave[slave].FMMU[0].FMMUactive = 1;
ec_slave[slave].FMMU[0].FMMUtype = 2;
ec_slave[slave].SMtype[0] = 2;
}
/* complex output slave */
else
{
ec_slave[slave].SM[2].SMlength = htoes((ec_slave[slave].Obits + 7) / 8);
ec_slave[slave].SMtype[2] = 2;
}
ec_slave[slave].SM[3].StartAddr = htoes(ec_configlist[cindex].SM3a);
ec_slave[slave].SM[3].SMflags = htoel(ec_configlist[cindex].SM3f);
/* simple (no mailbox) input slave found ? */
if (ec_slave[slave].Ibits && !ec_slave[slave].SM[3].StartAddr)
{
ec_slave[slave].SM[1].StartAddr = htoes(0x1000);
ec_slave[slave].SM[1].SMlength = htoes((ec_slave[slave].Ibits + 7) / 8);
ec_slave[slave].SM[1].SMflags = htoel(0x00000000);
ec_slave[slave].FMMU[1].FMMUactive = 1;
ec_slave[slave].FMMU[1].FMMUtype = 1;
ec_slave[slave].SMtype[1] = 3;
}
/* complex input slave */
else
{
ec_slave[slave].SM[3].SMlength = htoes((ec_slave[slave].Ibits + 7) / 8);
ec_slave[slave].SMtype[3] = 3;
}
}
/* slave not in configuration table, find out via SII */
else
{
ssigen = ec_siifind(slave, ECT_SII_GENERAL);
/* SII general section */
if (ssigen)
{
ec_slave[slave].CoEdetails = ec_siigetbyte(slave, ssigen + 0x07);
ec_slave[slave].FoEdetails = ec_siigetbyte(slave, ssigen + 0x08);
ec_slave[slave].EoEdetails = ec_siigetbyte(slave, ssigen + 0x09);
ec_slave[slave].SoEdetails = ec_siigetbyte(slave, ssigen + 0x0a);
if((ec_siigetbyte(slave, ssigen + 0x0d) & 0x02) > 0)
{
ec_slave[slave].blockLRW = 1;
ec_slave[0].blockLRW++;
}
ec_slave[slave].Ebuscurrent = ec_siigetbyte(slave, ssigen + 0x0e);
ec_slave[slave].Ebuscurrent += ec_siigetbyte(slave, ssigen + 0x0f) << 8;
ec_slave[0].Ebuscurrent += ec_slave[slave].Ebuscurrent;
}
/* SII strings section */
if (ec_siifind(slave, ECT_SII_STRING) > 0)
{
ec_siistring(ec_slave[slave].name, slave, 1);
}
/* no name for slave found, use constructed name */
else
{
sprintf(ec_slave[slave].name, "? M:%8.8x I:%8.8x",
(unsigned int)ec_slave[slave].eep_man, (unsigned int)ec_slave[slave].eep_id);
}
/* SII SM section */
nSM = ec_siiSM (slave,&ec_SM);
if (nSM>0)
{
ec_slave[slave].SM[0].StartAddr = htoes(ec_SM.PhStart);
ec_slave[slave].SM[0].SMlength = htoes(ec_SM.Plength);
ec_slave[slave].SM[0].SMflags = htoel((ec_SM.Creg) + (ec_SM.Activate << 16));
SMc = 1;
while ((SMc < EC_MAXSM) && ec_siiSMnext(slave, &ec_SM, SMc))
{
ec_slave[slave].SM[SMc].StartAddr = htoes(ec_SM.PhStart);
ec_slave[slave].SM[SMc].SMlength = htoes(ec_SM.Plength);
ec_slave[slave].SM[SMc].SMflags = htoel((ec_SM.Creg) + (ec_SM.Activate << 16));
SMc++;
}
}
/* SII FMMU section */
if (ec_siiFMMU(slave, &ec_FMMU))
{
if (ec_FMMU.FMMU0 !=0xff)
ec_slave[slave].FMMU0func = ec_FMMU.FMMU0;
if (ec_FMMU.FMMU1 !=0xff)
ec_slave[slave].FMMU1func = ec_FMMU.FMMU1;
if (ec_FMMU.FMMU2 !=0xff)
ec_slave[slave].FMMU2func = ec_FMMU.FMMU2;
if (ec_FMMU.FMMU3 !=0xff)
ec_slave[slave].FMMU3func = ec_FMMU.FMMU3;
}
}
if (ec_slave[slave].mbx_l > 0)
{
if (ec_slave[slave].SM[0].StartAddr == 0x0000) /* should never happen */
{
ec_slave[slave].SM[0].StartAddr = htoes(0x1000);
ec_slave[slave].SM[0].SMlength = htoes(0x0080);
ec_slave[slave].SM[0].SMflags = htoel(EC_DEFAULTMBXSM0);
ec_slave[slave].SMtype[0] = 0;
}
if (ec_slave[slave].SM[1].StartAddr == 0x0000) /* should never happen */
{
ec_slave[slave].SM[1].StartAddr = htoes(0x1080);
ec_slave[slave].SM[1].SMlength = htoes(0x0080);
ec_slave[slave].SM[1].SMflags = htoel(EC_DEFAULTMBXSM1);
ec_slave[slave].SMtype[1] = 1;
}
/* program SM0 mailbox in for slave */
ec_FPWR (configadr, ECT_REG_SM0, sizeof(ec_smt), &ec_slave[slave].SM[0], EC_TIMEOUTRET);
/* program SM1 mailbox out for slave */
// usleep(1000); // was needed for NETX (needs internal time after SM update)
ec_FPWR (configadr, ECT_REG_SM1, sizeof(ec_smt), &ec_slave[slave].SM[1], EC_TIMEOUTRET);
}
ec_FPWRw(configadr, ECT_REG_ALCTL, htoes(EC_STATE_PRE_OP | EC_STATE_ACK) , EC_TIMEOUTRET); /* set preop status */
}
}
return wkc;
}
/** Map all PDOs from slaves to IOmap.
*
* @param[out] pIOmap = pointer to IOmap
* @return IOmap size
*/
int ec_config_map(void *pIOmap)
{
uint16 slave, configadr;
int Isize, Osize, BitCount, ByteCount, FMMUsize, FMMUdone;
uint16 SMlength;
uint8 BitPos, EndAddr;
uint8 SMc, FMMUc;
uint32 LogAddr = 0;
int nSM, rval;
ec_eepromPDOt eepPDO;
if (ec_slavecount > 0)
{
LogAddr = 0;
BitPos = 0;
/* find output mapping of slave and program FMMU0 */
for (slave = 1; slave <= ec_slavecount; slave++)
{
configadr = ec_slave[slave].configadr;
ec_statecheck(slave, EC_STATE_PRE_OP, EC_TIMEOUTSTATE); //* check state change pre-op */
/* if slave not found in configlist find IO mapping in slave self */
if (!ec_slave[slave].configindex)
{
Isize = 0;
Osize = 0;
if (ec_slave[slave].mbx_proto & ECT_MBXPROT_COE) /* has CoE */
{
if (ec_slave[slave].CoEdetails & ECT_COEDET_SDOCA) /* has Complete Access */
{
/* read PDO mapping via CoE and use Complete Access */
rval = ec_readPDOmapCA(slave, &Osize, &Isize);
}
else
{
/* read PDO mapping via CoE */
rval = ec_readPDOmap(slave, &Osize, &Isize);
}
ec_slave[slave].SM[2].SMlength = htoes((Osize + 7) / 8);
ec_slave[slave].SM[3].SMlength = htoes((Isize + 7) / 8);
}
if ((!Isize && !Osize) && (ec_slave[slave].mbx_proto & ECT_MBXPROT_SOE)) /* has SoE */
{
/* read AT / MDT mapping via SoE */
rval = ec_readIDNmap(slave, &Osize, &Isize);
ec_slave[slave].SM[2].SMlength = htoes((Osize + 7) / 8);
ec_slave[slave].SM[3].SMlength = htoes((Isize + 7) / 8);
}
if (!Isize && !Osize) /* find PDO mapping by SII */
{
Isize = ec_siiPDO (slave, &eepPDO, 0);
for( nSM=0 ; nSM < EC_MAXSM ; nSM++ )
{
if (eepPDO.SMbitsize[nSM] > 0)
{
ec_slave[slave].SM[nSM].SMlength = htoes((eepPDO.SMbitsize[nSM] + 7) / 8);
ec_slave[slave].SMtype[nSM] = 3;
}
}
Osize = ec_siiPDO (slave, &eepPDO, 1);
for( nSM=0 ; nSM < EC_MAXSM ; nSM++ )
{
if (eepPDO.SMbitsize[nSM] > 0)
{
ec_slave[slave].SM[nSM].SMlength = htoes((eepPDO.SMbitsize[nSM] + 7) / 8);
ec_slave[slave].SMtype[nSM] = 2;
}
}
}
ec_slave[slave].Obits = Osize;
ec_slave[slave].Ibits = Isize;
}
if (!ec_slave[slave].mbx_l && ec_slave[slave].SM[0].StartAddr)
{
ec_FPWR (configadr, ECT_REG_SM0, sizeof(ec_smt), &ec_slave[slave].SM[0], EC_TIMEOUTRET);
}
if (!ec_slave[slave].mbx_l && ec_slave[slave].SM[1].StartAddr)
{
ec_FPWR (configadr, ECT_REG_SM1, sizeof(ec_smt), &ec_slave[slave].SM[1], EC_TIMEOUTRET);
}
if (ec_slave[slave].SM[2].StartAddr)
{
/* check if SM length is zero -> clear enable flag */
if( ec_slave[slave].SM[2].SMlength == 0)
ec_slave[slave].SM[2].SMflags = htoel( etohl(ec_slave[slave].SM[2].SMflags) & EC_SMENABLEMASK);
ec_FPWR (configadr, ECT_REG_SM2, sizeof(ec_smt), &ec_slave[slave].SM[2], EC_TIMEOUTRET);
}
// usleep(1000); // was needed for NETX (needs internal time after SM update)
if (ec_slave[slave].SM[3].StartAddr)
{
/* check if SM length is zero -> clear enable flag */
if( ec_slave[slave].SM[3].SMlength == 0)
ec_slave[slave].SM[3].SMflags = htoel( etohl(ec_slave[slave].SM[3].SMflags) & EC_SMENABLEMASK);
ec_FPWR (configadr, ECT_REG_SM3, sizeof(ec_smt), &ec_slave[slave].SM[3], EC_TIMEOUTRET);
}
if (ec_slave[slave].Ibits > 7)
ec_slave[slave].Ibytes = (ec_slave[slave].Ibits + 7) / 8;
if (ec_slave[slave].Obits > 7)
ec_slave[slave].Obytes = (ec_slave[slave].Obits + 7) / 8;
FMMUc = 0;
SMc = 0;
BitCount = 0;
ByteCount = 0;
EndAddr = 0;
FMMUsize = 0;
FMMUdone = 0;
/* create output mapping */
if (ec_slave[slave].Obits)
{
/* search for SM that contribute to the output mapping */
while ( (SMc < (EC_MAXSM - 1)) && (FMMUdone < ((ec_slave[slave].Obits + 7) / 8)))
{
while ( (SMc < (EC_MAXSM - 1)) && (ec_slave[slave].SMtype[SMc] != 2)) SMc++;
ec_slave[slave].FMMU[FMMUc].PhysStart = ec_slave[slave].SM[SMc].StartAddr;
SMlength = etohs(ec_slave[slave].SM[SMc].SMlength);
ByteCount += SMlength;
BitCount += SMlength * 8;
EndAddr = etohs(ec_slave[slave].SM[SMc].StartAddr) + SMlength;
while ( (BitCount < ec_slave[slave].Obits) && (SMc < (EC_MAXSM - 1)) ) /* more SM for output */
{
SMc++;
while ( (SMc < (EC_MAXSM - 1)) && (ec_slave[slave].SMtype[SMc] != 2)) SMc++;
/* if addresses from more SM connect use one FMMU otherwise break up in mutiple FMMU */
if ( etohs(ec_slave[slave].SM[SMc].StartAddr) > EndAddr ) break;
SMlength = etohs(ec_slave[slave].SM[SMc].SMlength);
ByteCount += SMlength;
BitCount += SMlength * 8;
EndAddr = etohs(ec_slave[slave].SM[SMc].StartAddr) + SMlength;
}
/* bit oriented slave */
if (!ec_slave[slave].Obytes)
{
ec_slave[slave].FMMU[FMMUc].LogStart = htoel(LogAddr);
ec_slave[slave].FMMU[FMMUc].LogStartbit = BitPos;
BitPos += ec_slave[slave].Obits - 1;
if (BitPos > 7)
{
LogAddr++;
BitPos -= 8;
}
FMMUsize = LogAddr - etohl(ec_slave[slave].FMMU[FMMUc].LogStart) + 1;
ec_slave[slave].FMMU[FMMUc].LogLength = htoes(FMMUsize);
ec_slave[slave].FMMU[FMMUc].LogEndbit = BitPos;
BitPos ++;
if (BitPos > 7)
{
LogAddr++;
BitPos -= 8;
}
}
/* byte oriented slave */
else
{
if (BitPos)
{
LogAddr++;
BitPos = 0;
}
ec_slave[slave].FMMU[FMMUc].LogStart = htoel(LogAddr);
ec_slave[slave].FMMU[FMMUc].LogStartbit = BitPos;
BitPos = 7;
FMMUsize = ByteCount;
if ((FMMUsize + FMMUdone)> ec_slave[slave].Obytes)
FMMUsize = ec_slave[slave].Obytes - FMMUdone;
LogAddr += FMMUsize;
ec_slave[slave].FMMU[FMMUc].LogLength = htoes(FMMUsize);
ec_slave[slave].FMMU[FMMUc].LogEndbit = BitPos;
BitPos = 0;
}
FMMUdone += FMMUsize;
ec_slave[slave].FMMU[FMMUc].PhysStartBit = 0;
ec_slave[slave].FMMU[FMMUc].FMMUtype = 2;
ec_slave[slave].FMMU[FMMUc].FMMUactive = 1;
/* program FMMU for output */
ec_FPWR (configadr, ECT_REG_FMMU0 + (sizeof(ec_fmmut) * FMMUc), sizeof(ec_fmmut),
&ec_slave[slave].FMMU[FMMUc], EC_TIMEOUTRET);
if (!ec_slave[slave].outputs)
{
ec_slave[slave].outputs = pIOmap + etohl(ec_slave[slave].FMMU[FMMUc].LogStart);
ec_slave[slave].Ostartbit = ec_slave[slave].FMMU[FMMUc].LogStartbit;
}
FMMUc++;
}
}
}
ec_slave[0].outputs = pIOmap;
if (BitPos)
{
LogAddr++;
BitPos = 0;
}
ec_slave[0].Obytes = LogAddr; /* store output bytes in master record */
/* do input mapping of slave and program FMMUs */
for (slave = 1; slave <= ec_slavecount; slave++)
{
configadr = ec_slave[slave].configadr;
FMMUc = 1;
if (ec_slave[slave].Obits) /* find free FMMU */
{
while ( ec_slave[slave].FMMU[FMMUc].LogStart ) FMMUc++;
}
SMc = 0;
BitCount = 0;
ByteCount = 0;
EndAddr = 0;
FMMUsize = 0;
FMMUdone = 0;
/* create input mapping */
if (ec_slave[slave].Ibits)
{
/* search for SM that contribute to the input mapping */
while ( (SMc < (EC_MAXSM - 1)) && (FMMUdone < ((ec_slave[slave].Ibits + 7) / 8)))
{
while ( (SMc < (EC_MAXSM - 1)) && (ec_slave[slave].SMtype[SMc] != 3)) SMc++;
ec_slave[slave].FMMU[FMMUc].PhysStart = ec_slave[slave].SM[SMc].StartAddr;
SMlength = etohs(ec_slave[slave].SM[SMc].SMlength);
ByteCount += SMlength;
BitCount += SMlength * 8;
EndAddr = etohs(ec_slave[slave].SM[SMc].StartAddr) + SMlength;
while ( (BitCount < ec_slave[slave].Obits) && (SMc < (EC_MAXSM - 1)) ) /* more SM for input */
{
SMc++;
while ( (SMc < (EC_MAXSM - 1)) && (ec_slave[slave].SMtype[SMc] != 3)) SMc++;
/* if addresses from more SM connect use one FMMU otherwise break up in mutiple FMMU */
if ( etohs(ec_slave[slave].SM[SMc].StartAddr) > EndAddr ) break;
SMlength = etohs(ec_slave[slave].SM[SMc].SMlength);
ByteCount += SMlength;
BitCount += SMlength * 8;
EndAddr = etohs(ec_slave[slave].SM[SMc].StartAddr) + SMlength;
}
/* bit oriented slave */
if (!ec_slave[slave].Ibytes)
{
ec_slave[slave].FMMU[FMMUc].LogStart = htoel(LogAddr);
ec_slave[slave].FMMU[FMMUc].LogStartbit = BitPos;
BitPos += ec_slave[slave].Ibits - 1;
if (BitPos > 7)
{
LogAddr++;
BitPos -= 8;
}
FMMUsize = LogAddr - etohl(ec_slave[slave].FMMU[FMMUc].LogStart) + 1;
ec_slave[slave].FMMU[FMMUc].LogLength = htoes(FMMUsize);
ec_slave[slave].FMMU[FMMUc].LogEndbit = BitPos;
BitPos ++;
if (BitPos > 7)
{
LogAddr++;
BitPos -= 8;
}
}
/* byte oriented slave */
else
{
if (BitPos)
{
LogAddr++;
BitPos = 0;
}
ec_slave[slave].FMMU[FMMUc].LogStart = htoel(LogAddr);
ec_slave[slave].FMMU[FMMUc].LogStartbit = BitPos;
BitPos = 7;
FMMUsize = ByteCount;
if ((FMMUsize + FMMUdone)> ec_slave[slave].Ibytes)
FMMUsize = ec_slave[slave].Ibytes - FMMUdone;
LogAddr += FMMUsize;
ec_slave[slave].FMMU[FMMUc].LogLength = htoes(FMMUsize);
ec_slave[slave].FMMU[FMMUc].LogEndbit = BitPos;
BitPos = 0;
}
FMMUdone += FMMUsize;
if (ec_slave[slave].FMMU[FMMUc].LogLength)
{
ec_slave[slave].FMMU[FMMUc].PhysStartBit = 0;
ec_slave[slave].FMMU[FMMUc].FMMUtype = 1;
ec_slave[slave].FMMU[FMMUc].FMMUactive = 1;
/* program FMMU for input */
ec_FPWR (configadr, ECT_REG_FMMU0 + (sizeof(ec_fmmut) * FMMUc), sizeof(ec_fmmut),
&ec_slave[slave].FMMU[FMMUc], EC_TIMEOUTRET);
}
if (!ec_slave[slave].inputs)
{
ec_slave[slave].inputs = pIOmap + etohl(ec_slave[slave].FMMU[FMMUc].LogStart);
ec_slave[slave].Istartbit = ec_slave[slave].FMMU[FMMUc].LogStartbit;
}
FMMUc++;
}
}
ec_eeprom2pdi(slave); /* set Eeprom control to PDI */
ec_FPWRw(configadr, ECT_REG_ALCTL, htoes(EC_STATE_SAFE_OP) , EC_TIMEOUTRET); /* set safeop status */
}
ec_slave[0].inputs = pIOmap + ec_slave[0].Obytes;
if (BitPos)
{
LogAddr++;
BitPos = 0;
}
ec_slave[0].Ibytes = LogAddr - ec_slave[0].Obytes; /* store input bytes in master record */
}
return LogAddr;
}
/** 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;
}
