module.c File Reference

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Detailed Description

EtherCAT master driver module.

Definition in file module.c.

Go to the source code of this file.

Defines
#define	COMPILE_INFO
	Compile version info.
Functions
int __init	ec_init_module (void)
	Module initialization.
void __exit	ec_cleanup_module (void)
	Module cleanup.
ec_master_t *	ec_find_master (unsigned int master_index)
	Gets a handle to a certain master.
void	ec_print_data (const uint8_t *data, size_t size)
	Outputs frame contents for debugging purposes.
void	ec_print_data_diff (const uint8_t *d1, const uint8_t *d2, size_t size)
	Outputs frame contents and differences for debugging purposes.
size_t	ec_state_string (uint8_t states, char *buffer)
	Prints slave states in clear text.
ec_device_t *	ecdev_register (unsigned int master_index, struct net_device *net_dev, ec_isr_t isr, struct module *module)
	Connects an EtherCAT device to a certain master.
void	ecdev_unregister (unsigned int master_index, ec_device_t *device)
	Disconnect an EtherCAT device from the master.
int	ecdev_start (unsigned int master_index)
	Starts the master associated with the device.
void	ecdev_stop (unsigned int master_index)
	Stops the master associated with the device.
ec_master_t *	ecrt_request_master (unsigned int master_index)
	Reserves an EtherCAT master for realtime operation.
void	ecrt_release_master (ec_master_t *master)
	Releases a reserved EtherCAT master.
Variables
static int	ec_master_count = 1
	parameter value, number of masters
static int	ec_eoeif_count = 0
	parameter value, number of EoE interf.
static struct list_head	ec_masters
	list of masters

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Define Documentation

#define COMPILE_INFO

Value: EC_STR(EC_MASTER_VERSION_MAIN) \ "." EC_STR(EC_MASTER_VERSION_SUB) \ " (" EC_MASTER_VERSION_EXTRA ")" \ " - rev. " EC_STR(SVNREV) \ ", compiled by " EC_STR(USER) \ " at " __DATE__ " " __TIME__ Compile version info. Definition at line 60 of file module.c.

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Function Documentation

int __init ec_init_module (  void   )

Module initialization. Initializes ec_master_count masters. Returns: 0 on success, else < 0 Definition at line 97 of file module.c.

void __exit ec_cleanup_module (  void   )

Module cleanup. Clears all master instances. Definition at line 152 of file module.c.

ec_master_t* ec_find_master (  unsigned int  master_index  )

Gets a handle to a certain master. Returns: pointer to master Parameters: master_index  master index Definition at line 174 of file module.c.

void ec_print_data (  const uint8_t *  data, size_t  size )

Outputs frame contents for debugging purposes. Parameters: data  pointer to data size  number of bytes to output Definition at line 192 of file module.c.

void ec_print_data_diff (  const uint8_t *  d1, const uint8_t *  d2, size_t  size )

Outputs frame contents and differences for debugging purposes. Parameters: d1  first data d2  second data size  number of bytes to output Definition at line 215 of file module.c.

size_t ec_state_string (  uint8_t  states, char *  buffer )

Prints slave states in clear text. Parameters: states  slave states buffer  target buffer (min. 25 bytes) Definition at line 240 of file module.c.

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