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ethercat
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Weitere EEPROM-Daten.

This commit is contained in:
Florian Pose 2006-03-21 15:45:11 +00:00
parent 6d4fc835e1
commit ca1ed1e29c
2 changed files with 77 additions and 34 deletions
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105
master/slave.c
View File

@ -2,7 +2,7 @@
*
* s l a v e . c
*
* Methoden fŽür einen EtherCAT-Slave.
* Methoden für einen EtherCAT-Slave.
*
* $Id$
*
@ -20,11 +20,12 @@
int ec_slave_fetch_categories(ec_slave_t *);
int ec_slave_fetch_strings(ec_slave_t *, const uint8_t *);
void ec_slave_fetch_general(ec_slave_t *, const uint8_t *);
int ec_slave_fetch_general(ec_slave_t *, const uint8_t *);
void ec_slave_fetch_fmmu(ec_slave_t *, const uint8_t *);
void ec_slave_fetch_sync(ec_slave_t *, const uint8_t *);
void ec_slave_fetch_txpdo(ec_slave_t *, const uint8_t *);
void ec_slave_fetch_rxpdo(ec_slave_t *, const uint8_t *);
int ec_slave_locate_string(ec_slave_t *, unsigned int, char **);
/*****************************************************************************/
@ -161,7 +162,7 @@ int ec_slave_sii_read(ec_slave_t *slave,
uint16_t offset,
/**< Adresse des zu lesenden SII-Registers */
uint32_t *target
/**< Zeiger auf einen 4 Byte groŽßen Speicher zum Ablegen
/**< Zeiger auf einen 4 Byte groÂŽßen Speicher zum Ablegen
der Daten */
)
{
@ -316,8 +317,7 @@ int ec_slave_fetch_categories(ec_slave_t *slave /**< EtherCAT-Slave */)
// read category header
if (ec_slave_sii_read(slave, word_offset, &value)) {
EC_ERR("Unable to read category header and size.\n");
kfree(cat_data);
return -1;
goto out_free;
}
// Last category?
@ -330,8 +330,7 @@ int ec_slave_fetch_categories(ec_slave_t *slave /**< EtherCAT-Slave */)
for (i = 0; i < word_count; i++) {
if (ec_slave_sii_read(slave, word_offset + 2 + i, &value)) {
EC_ERR("Unable to read category data word %i.\n", i);
kfree(cat_data);
return -1;
goto out_free;
}
cat_data[i * 2] = (value >> 0) & 0xFF;
@ -348,14 +347,13 @@ int ec_slave_fetch_categories(ec_slave_t *slave /**< EtherCAT-Slave */)
switch (header)
{
case 0x000A:
if (ec_slave_fetch_strings(slave, cat_data)) {
kfree(cat_data);
return -1;
}
if (ec_slave_fetch_strings(slave, cat_data))
goto out_free;
break;
case 0x001E:
case 0x0001:
ec_slave_fetch_general(slave, cat_data);
if (ec_slave_fetch_general(slave, cat_data))
goto out_free;
break;
case 0x0028:
case 0x0002:
@ -383,6 +381,10 @@ int ec_slave_fetch_categories(ec_slave_t *slave /**< EtherCAT-Slave */)
kfree(cat_data);
return 0;
out_free:
kfree(cat_data);
return -1;
}
/*****************************************************************************/
@ -430,10 +432,18 @@ int ec_slave_fetch_strings(ec_slave_t *slave, /**< EtherCAT-Slave */
Holt die Daten einer General-Kategorie.
*/
void ec_slave_fetch_general(ec_slave_t *slave, /**< EtherCAT-Slave */
const uint8_t *data /**< Kategorie-Daten */
)
int ec_slave_fetch_general(ec_slave_t *slave, /**< EtherCAT-Slave */
const uint8_t *data /**< Kategorie-Daten */
)
{
if (ec_slave_locate_string(slave, data[0], &slave->eeprom_group))
return -1;
if (ec_slave_locate_string(slave, data[1], &slave->eeprom_name))
return -1;
if (ec_slave_locate_string(slave, data[3], &slave->eeprom_desc))
return -1;
return 0;
}
/*****************************************************************************/
@ -486,6 +496,37 @@ void ec_slave_fetch_rxpdo(ec_slave_t *slave, /**< EtherCAT-Slave */
/*****************************************************************************/
/**
Durchsucht die temporären Strings und dupliziert den gefundenen String.
*/
int ec_slave_locate_string(ec_slave_t *slave, unsigned int index, char **ptr)
{
ec_slave_string_t *string;
if (*ptr) {
kfree(*ptr);
*ptr = NULL;
}
if (!index) return 0;
list_for_each_entry(string, &slave->eeprom_strings, list) {
if (!(--index)) {
if (!(*ptr = (char *) kmalloc(string->size + 1, GFP_KERNEL))) {
EC_ERR("Unable to allocate string memory.\n");
return -1;
}
memcpy(*ptr, string->data, string->size + 1);
break;
}
}
return 0;
}
/*****************************************************************************/
/**
Bestätigt einen Fehler beim Zustandswechsel.
@ -663,45 +704,47 @@ int ec_slave_set_fmmu(ec_slave_t *slave, /**< EtherCAT-Slave */
void ec_slave_print(const ec_slave_t *slave /**< EtherCAT-Slave */)
{
EC_INFO("--- EtherCAT slave information ---\n");
EC_INFO("x-- EtherCAT slave information ---------------\n");
if (slave->type) {
EC_INFO(" Vendor \"%s\", Product \"%s\": %s\n",
EC_INFO("| Vendor \"%s\", Product \"%s\": %s\n",
slave->type->vendor_name, slave->type->product_name,
slave->type->description);
}
else {
EC_INFO(" *** This slave has no type information! ***\n");
EC_INFO("| *** This slave has no type information! ***\n");
}
EC_INFO(" Ring position: %i, Station address: 0x%04X\n",
EC_INFO("| Ring position: %i, Station address: 0x%04X\n",
slave->ring_position, slave->station_address);
EC_INFO(" Base information:\n");
EC_INFO(" Type %u, Revision %i, Build %i\n",
EC_INFO("| Base information:\n");
EC_INFO("| Type %u, Revision %i, Build %i\n",
slave->base_type, slave->base_revision, slave->base_build);
EC_INFO(" Supported FMMUs: %i, Sync managers: %i\n",
EC_INFO("| Supported FMMUs: %i, Sync managers: %i\n",
slave->base_fmmu_count, slave->base_sync_count);
EC_INFO(" EEPROM data:\n");
EC_INFO(" Configured station alias: 0x%04X (%i)\n", slave->sii_alias,
slave->sii_alias);
EC_INFO(" Vendor-ID: 0x%08X, Product code: 0x%08X\n",
EC_INFO("| EEPROM data:\n");
if (slave->sii_alias)
EC_INFO("| Configured station alias: 0x%04X (%i)\n",
slave->sii_alias, slave->sii_alias);
EC_INFO("| Vendor-ID: 0x%08X, Product code: 0x%08X\n",
slave->sii_vendor_id, slave->sii_product_code);
EC_INFO(" Revision number: 0x%08X, Serial number: 0x%08X\n",
EC_INFO("| Revision number: 0x%08X, Serial number: 0x%08X\n",
slave->sii_revision_number, slave->sii_serial_number);
if (slave->eeprom_name)
EC_INFO(" Name: %s\n", slave->eeprom_name);
EC_INFO("| Name: %s\n", slave->eeprom_name);
if (slave->eeprom_group)
EC_INFO(" Group: %s\n", slave->eeprom_group);
EC_INFO("| Group: %s\n", slave->eeprom_group);
if (slave->eeprom_desc)
EC_INFO(" Description: %s\n", slave->eeprom_desc);
EC_INFO("| Description: %s\n", slave->eeprom_desc);
EC_INFO("x---------------------------------------------\n");
}
/*****************************************************************************/
/**
Gibt die ZŽählerstände der CRC-Fault-Counter aus und setzt diese zurück.
Gibt die Zählerstände der CRC-Fault-Counter aus und setzt diese zurück.
\return 0 bei Erfolg, sonst < 0
*/

6
master/slave.h
View File

@ -101,9 +101,9 @@ struct ec_slave
struct list_head eeprom_strings; /**< Strings im EEPROM */
const char *eeprom_name; /**< Slave-Name laut Hersteller */
const char *eeprom_group; /**< Slave-Beschreibung laut Hersteller */
const char *eeprom_desc; /**< Slave-Beschreibung laut Hersteller */
char *eeprom_name; /**< Slave-Name laut Hersteller */
char *eeprom_group; /**< Slave-Beschreibung laut Hersteller */
char *eeprom_desc; /**< Slave-Beschreibung laut Hersteller */
};
/*****************************************************************************/