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Commit 543936d4 authored by Florian Pose's avatar Florian Pose
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Added missing code documentation.

parent 16f7e0d6
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......@@ -50,6 +50,8 @@ int ec_dbgdev_tx(struct sk_buff *, struct net_device *);
struct net_device_stats *ec_dbgdev_stats(struct net_device *);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)
/** Device operations for debug interfaces.
*/
static const struct net_device_ops ec_dbg_netdev_ops =
{
.ndo_open = ec_dbgdev_open,
......
......@@ -54,6 +54,8 @@
} while (0)
#endif
/** List of intervals for frame statistics [s].
*/
static const unsigned int rate_intervals[] = {
1, 10, 60
};
......
......@@ -226,10 +226,13 @@ int ec_domain_finish(
datagram_count = 0;
datagram_used[EC_DIR_OUTPUT] = 0;
datagram_used[EC_DIR_INPUT] = 0;
list_for_each_entry(fmmu_temp, &domain->fmmu_configs, list) {
ec_slave_config_t *sc = (ec_slave_config_t *)fmmu_temp->sc; // we have to remove the constness, sorry
sc->used_for_fmmu_datagram[fmmu_temp->dir] = 0;
// we have to remove the constness, sorry FIXME
ec_slave_config_t *sc = (ec_slave_config_t *) fmmu_temp->sc;
sc->used_for_fmmu_datagram[fmmu_temp->dir] = 0;
}
list_for_each_entry(fmmu, &domain->fmmu_configs, list) {
// Correct logical FMMU address
fmmu->logical_start_address += base_address;
......@@ -241,6 +244,7 @@ int ec_domain_finish(
datagram_used[fmmu->dir]++;
sc->used_for_fmmu_datagram[fmmu->dir] = 1;
}
// If the current FMMU's data do not fit in the current datagram,
// allocate a new one.
if (datagram_size + fmmu->data_size > EC_MAX_DATA_SIZE) {
......
......@@ -83,6 +83,8 @@ struct net_device_stats *ec_eoedev_stats(struct net_device *);
/*****************************************************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
/** Device operations for EoE interfaces.
*/
static const struct net_device_ops ec_eoedev_ops = {
.ndo_open = ec_eoedev_open,
.ndo_stop = ec_eoedev_stop,
......
......@@ -45,11 +45,24 @@
*/
#define EC_FSM_COE_DICT_TIMEOUT 1000
#define EC_COE_DOWN_REQ_HEADER_SIZE 10
#define EC_COE_DOWN_SEG_REQ_HEADER_SIZE 3
#define EC_COE_DOWN_SEG_MIN_DATA_SIZE 7
/** CoE download request header size.
*/
#define EC_COE_DOWN_REQ_HEADER_SIZE 10
/** CoE download segment request header size.
*/
#define EC_COE_DOWN_SEG_REQ_HEADER_SIZE 3
/** Minimum size of download segment.
*/
#define EC_COE_DOWN_SEG_MIN_DATA_SIZE 7
/** Enable debug output for CoE retries.
*/
#define DEBUG_RETRIES 0
/** Enable warning output if transfers take too long.
*/
#define DEBUG_LONG 0
/*****************************************************************************/
......@@ -1256,10 +1269,8 @@ void ec_fsm_coe_down_request(ec_fsm_coe_t *fsm /**< finite state machine */)
/*****************************************************************************/
/**
CoE state: DOWN CHECK.
*/
/** CoE state: DOWN CHECK.
*/
void ec_fsm_coe_down_check(ec_fsm_coe_t *fsm /**< finite state machine */)
{
ec_datagram_t *datagram = fsm->datagram;
......@@ -1309,6 +1320,8 @@ void ec_fsm_coe_down_check(ec_fsm_coe_t *fsm /**< finite state machine */)
/*****************************************************************************/
/** Prepare a download segment request.
*/
void ec_fsm_coe_down_prepare_segment_request(
ec_fsm_coe_t *fsm /**< finite state machine */
)
......
......@@ -41,6 +41,8 @@
/*****************************************************************************/
/** Size of the mailbox header.
*/
#define EC_MBOX_HEADER_SIZE 6
/*****************************************************************************/
......
......@@ -155,8 +155,8 @@ struct ec_master {
ext_datagram_queue. */
struct list_head external_datagram_queue; /**< External Datagram queue. */
size_t send_interval; /* interval between calls to ecrt_master_send */
size_t max_queue_size; /** max. size of datagram queue */
size_t send_interval; /**< Interval between calls to ecrt_master_send */
size_t max_queue_size; /**< Maximum size of datagram queue */
struct list_head domains; /**< List of domains. */
unsigned int debug_level; /**< Master debug level. */
......
......@@ -70,7 +70,9 @@ struct ec_slave_config {
configurations. */
ec_fmmu_config_t fmmu_configs[EC_MAX_FMMUS]; /**< FMMU configurations. */
uint8_t used_fmmus; /**< Number of FMMUs used. */
unsigned int used_for_fmmu_datagram[EC_DIR_COUNT];
unsigned int used_for_fmmu_datagram[EC_DIR_COUNT]; /**< Number of FMMUs
used for process data
exchange datagrams. */
uint16_t dc_assign_activate; /**< Vendor-specific AssignActivate word. */
ec_sync_signal_t dc_sync[EC_SYNC_SIGNAL_COUNT]; /**< DC sync signals. */
......
......@@ -206,7 +206,11 @@ int ec_soe_request_append_data(
/*****************************************************************************/
void ec_soe_request_read(ec_soe_request_t *req)
/** Request a read operation.
*/
void ec_soe_request_read(
ec_soe_request_t *req /**< SoE request. */
)
{
req->dir = EC_DIR_INPUT;
req->state = EC_INT_REQUEST_QUEUED;
......@@ -215,7 +219,11 @@ void ec_soe_request_read(ec_soe_request_t *req)
/*****************************************************************************/
void ec_soe_request_write(ec_soe_request_t *req)
/** Request a write operation.
*/
void ec_soe_request_write(
ec_soe_request_t *req /**< SoE request. */
)
{
req->dir = EC_DIR_OUTPUT;
req->state = EC_INT_REQUEST_QUEUED;
......
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