[etherlab-users] I/O Error (BK1120, KL2012)

[Oliver.Haala at semikron.com]

Hello,

I am trying to get a digital output from KL2012 (with Buscoupler BK2012). 
Configuration is done without errors. My cyclic task looks as follows:
(similar to the user example)

/**********************************************************************************
ecrt_master_receive(master);
ecrt_domain_process(domain1);

if (counter) {
   counter--;
} else { // do this at 1 Hz
   counter = FREQUENCY;

   check_domain1_state();
   check_master_state();
   check_slave_config_states();

   printf("Nach %d Sekunde; Inhalt Domain1: %d\n", ++i, *(domain1_pd + offset[0]));
   *(domain1_pd + offset[0]) ^= 0xff;   //same problem with ...^= 0x1;
}

ecrt_domain_queue(domain1);
ecrt_master_send(master);
getchar();
**********************************************************************************/

Unfortunately the I/O Error LED of the Bouscoupler indicates failure. After
starting the timer in the application, the I/O Error LED switches on for about an
half second. After this a short light impulse is emitted by the I/O Run LED.

I suppose thats the impact of another problem: calling "ecrt_master_receive(master);"
in the cyclic task causes the setting of the slaves error flag. (from '+' to 'E')

If necessary, you can find a summary of the configuration below.
Any suggestions are welcome.

Regards
Oliver



// Providing data:
const static ec_pdo_entry_reg_t domain1_regs[] = {
		{0x0000, 0x0000, 0x00000002, 0x04602c22, 0x7000 , 0x01,
		&offset[0], &bit_position[0]},
		{}
};

static ec_pdo_entry_info_t kl2012_channel1[] = {
		{0x7000, 0x0, 8}, // status
		{0x7000, 0x1, 1}  // value
};

static ec_pdo_info_t bk1120_pdos[] = {
		{0x1a00, 2, kl2012_channel1}
};

static ec_sync_info_t bk1120_syncs[] = {
		{2, EC_DIR_OUTPUT, 1, bk1120_pdos},
		{3, EC_DIR_INPUT},
		{0xff}
};


// Functioncalls: (in application all return values indicate success)
master = ecrt_request_master(0);
domain1 = ecrt_master_create_domain(master);
sc = ecrt_master_slave_config(master, 0, 0, 0x00000002, 0x04602c22);
ecrt_slave_config_pdos(sc, 1, bk1120_syncs);
ecrt_domain_reg_pdo_entry_list(domain1, domain1_regs);
ecrt_master_activate(master);
domain1_pd = ecrt_domain_data(domain1);

// the signal/timer source code was taken from user example

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