fix: timeout waiting for cyclic loop running

Author: robert-burger

src/dc.c

@@ -200,7 +200,7 @@ int ec_dc_sync(ec_t *pec, osal_uint16_t slave, osal_uint8_t active,
             osal_timer_init(&dc_time_to, 1000000000); // wait 1 sec for cyclic loop
 
             do {
-                if (osal_timer_expired(&dc_time_to) != OSAL_ERR_TIMEOUT) {
+                if (osal_timer_expired(&dc_time_to) == OSAL_ERR_TIMEOUT) {
                     ec_log(1, "DC_SYNC", "slave %2d: ERROR calculating start time because there's no cyclic "
                             "loop running right now! DC will not work correctly!\n", slave);