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ethercat
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Added ec_slave_get_sdo_by_pos_const() and ec_slave_sdo_count().

This commit is contained in:
Florian Pose 2008-06-06 09:22:57 +00:00
parent bd4d1a32b5
commit fea56d5aa6
2 changed files with 45 additions and 1 deletions
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44
master/slave.c
View File

@ -1193,7 +1193,7 @@ void ec_slave_sdo_dict_info(const ec_slave_t *slave, /**< EtherCAT slave */
*/
ec_sdo_t *ec_slave_get_sdo(
ec_slave_t *slave /**< EtherCAT slave */,
ec_slave_t *slave, /**< EtherCAT slave */
uint16_t index /**< Sdo index */
)
{
@ -1209,6 +1209,48 @@ ec_sdo_t *ec_slave_get_sdo(
/*****************************************************************************/
/** Get an Sdo from the dictionary, given its position in the list.
* \returns The desired Sdo, or NULL.
*/
const ec_sdo_t *ec_slave_get_sdo_by_pos_const(
const ec_slave_t *slave, /**< EtherCAT slave. */
uint16_t sdo_position /**< Sdo list position. */
)
{
const ec_sdo_t *sdo;
list_for_each_entry(sdo, &slave->sdo_dictionary, list) {
if (sdo_position--)
continue;
return sdo;
}
return NULL;
}
/*****************************************************************************/
/** Get the number of Sdos in the dictionary.
* \returns Sdo count.
*/
uint16_t ec_slave_sdo_count(
const ec_slave_t *slave /**< EtherCAT slave. */
)
{
const ec_sdo_t *sdo;
uint16_t count = 0;
list_for_each_entry(sdo, &slave->sdo_dictionary, list) {
count++;
}
return count;
}
/*****************************************************************************/
/** Finds a mapped Pdo.
* \returns The desired Pdo object, or NULL.
*/

2
master/slave.h
View File

@ -223,6 +223,8 @@ ec_sync_t *ec_slave_get_pdo_sync(ec_slave_t *, ec_direction_t);
void ec_slave_sdo_dict_info(const ec_slave_t *,
unsigned int *, unsigned int *);
ec_sdo_t *ec_slave_get_sdo(ec_slave_t *, uint16_t);
const ec_sdo_t *ec_slave_get_sdo_by_pos_const(const ec_slave_t *, uint16_t);
uint16_t ec_slave_sdo_count(const ec_slave_t *);
const ec_pdo_t *ec_slave_find_pdo(const ec_slave_t *, uint16_t);
/*****************************************************************************/