/**
* Initialize the slave stack.
*/
void ecat_slv_init (esc_cfg_t * config)
{
DPRINT ("Slave stack init started\n");
ESCvar.TXPDOsize = ESCvar.ESC_SM3_sml = sizeOfPDO(TX_PDO_OBJIDX);
ESCvar.RXPDOsize = ESCvar.ESC_SM2_sml = sizeOfPDO(RX_PDO_OBJIDX);
/* Init watchdog */
watchdog = config->watchdog_cnt;
/* Call stack configuration */
ESC_config (config);
/* Call HW init */
ESC_init (config);
/* wait until ESC is started up */
while ((ESCvar.DLstatus & 0x0001) == 0)
{
ESC_read (ESCREG_DLSTATUS, (void *) &ESCvar.DLstatus,
sizeof (ESCvar.DLstatus));
ESCvar.DLstatus = etohs (ESCvar.DLstatus);
}
/* Init FoE */
FOE_init();
/* reset ESC to init state */
ESC_ALstatus (ESCinit);
ESC_ALerror (ALERR_NONE);
ESC_stopmbx();
ESC_stopinput();
ESC_stopoutput();
}
/** SOES main loop. Start by initializing the stack software followed by
* the application loop for cyclic read the EtherCAT state and staus, update
* of I/O.
*/
void soes (void *arg)
{
DPRINT ("SOES (Simple Open EtherCAT Slave)\n");
TXPDOsize = SM3_sml = sizeTXPDO ();
RXPDOsize = SM2_sml = sizeRXPDO ();
/* Setup post config hooks */
static esc_cfg_t config =
{
.pre_state_change_hook = NULL,
.post_state_change_hook = post_state_change_hook
};
ESC_config ((esc_cfg_t *)&config);
ESC_reset();
ESC_init (spi_name);
task_delay (tick_from_ms (200));
/* wait until ESC is started up */
while ((ESCvar.DLstatus & 0x0001) == 0)
{
ESC_read (ESCREG_DLSTATUS, (void *) &ESCvar.DLstatus,
sizeof (ESCvar.DLstatus));
ESCvar.DLstatus = etohs (ESCvar.DLstatus);
}
/* Pre FoE to set up Application information */
bootstrap_foe_init ();
/* Init FoE */
FOE_init();
/* reset ESC to init state */
ESC_ALstatus (ESCinit);
ESC_ALerror (ALERR_NONE);
ESC_stopmbx ();
ESC_stopinput ();
ESC_stopoutput ();
DPRINT ("Application_loop GO\n");
/* application run loop */
while (1)
{
/* On init restore PDO mappings to default size */
if((ESCvar.ALstatus & 0x0f) == ESCinit)
{
txpdomap = DEFAULTTXPDOMAP;
rxpdomap = DEFAULTRXPDOMAP;
txpdoitems = DEFAULTTXPDOITEMS;
rxpdoitems = DEFAULTTXPDOITEMS;
}
/* Read local time from ESC*/
ESC_read (ESCREG_LOCALTIME, (void *) &ESCvar.Time, sizeof (ESCvar.Time));
ESCvar.Time = etohl (ESCvar.Time);
/* Check the state machine */
ESC_state ();
/* If else to two separate execution paths
* If we're running BOOSTRAP
* - MailBox
* - FoE
* Else we're running normal execution
* - MailBox
* - CoE
*/
if(local_boot_state)
{
if (ESC_mbxprocess ())
{
ESC_foeprocess ();
ESC_xoeprocess ();
}
bootstrap_state ();
}
else
{
if (ESC_mbxprocess ())
{
ESC_coeprocess ();
ESC_xoeprocess ();
}
DIG_process ();
}
};
}
