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ethercat
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Cut off category data on exceeding eeprom size limit.

This commit is contained in:
Florian Pose 2008-01-08 15:18:30 +00:00
parent fac8cc4b73
commit aa1baf50a9
1 changed files with 7 additions and 0 deletions
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7
master/fsm_slave.c
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@ -408,6 +408,7 @@ void ec_fsm_slave_scan_state_eeprom_size(ec_fsm_slave_t *fsm /**< slave state ma
EC_WARN("EEPROM size of slave %i exceeds"
" %u words (0xffff limiter missing?).\n",
slave->ring_position, EC_MAX_EEPROM_SIZE);
// cut off category data...
slave->eeprom_size = EC_FIRST_EEPROM_CATEGORY_OFFSET * 2;
goto alloc_eeprom;
}
@ -509,6 +510,12 @@ void ec_fsm_slave_scan_state_eeprom_data(ec_fsm_slave_t *fsm /**< slave state ma
slave->sii_mailbox_protocols =
EC_READ_U16(slave->eeprom_data + 2 * 0x001C);
if (eeprom_word_size == EC_FIRST_EEPROM_CATEGORY_OFFSET) {
// eeprom does not contain category data
fsm->state = ec_fsm_slave_state_end;
return;
}
if (eeprom_word_size < EC_FIRST_EEPROM_CATEGORY_OFFSET + 1) {
EC_ERR("Unexpected end of EEPROM data in slave %u:"
" First category header missing.\n",