ev3_port.c File Reference

EV3 Ports. More...

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "modp_numtoa.h"
#include "ev3.h"
#include "ev3_port.h"

Macros
#define	EV3_PORT_IMPLEMENT
#define	PATH_PREF_LEN   25
#define	DESC_SPOT   "///"
#define	PATH_ADDRESS   "/sys/class/lego-port/port" DESC_SPOT "address"
#define	PATH_DRIVER_NAME   "/sys/class/lego-port/port" DESC_SPOT "driver_name"
#define	PATH_MODE   "/sys/class/lego-port/port" DESC_SPOT "mode"
#define	PATH_MODES   "/sys/class/lego-port/port" DESC_SPOT "modes"
#define	PATH_SET_DEVICE   "/sys/class/lego-port/port" DESC_SPOT "set_device"
#define	PATH_STATUS   "/sys/class/lego-port/port" DESC_SPOT "status"
#define	IN_PREF_LEN   2
#define	OUT_PREF_LEN   3
#define	I2C_PREF_LEN   3
#define	MUX_PREF_LEN   3
#define	SV_PREF_LEN   2
#define	M_PREF_LEN   1
#define	WEDO_PREF_LEN   4

Functions
size_t	get_port_address (uint8_t sn, char *buf, size_t sz)
	Read "address" attribute of the EV3 port. More...
size_t	get_port_driver_name (uint8_t sn, char *buf, size_t sz)
	Read "driver_name" attribute of the EV3 port. More...
size_t	get_port_mode (uint8_t sn, char *buf, size_t sz)
	Read "mode" attribute of the EV3 port. More...
size_t	set_port_mode (uint8_t sn, char *value)
	Write "mode" attribute of the EV3 port. More...
size_t	multi_set_port_mode (uint8_t *sn, char *value)
	Write "mode" attribute of several EV3 ports. More...
size_t	get_port_modes (uint8_t sn, char *buf, size_t sz)
	Read "modes" attribute of the EV3 port. More...
size_t	set_port_set_device (uint8_t sn, char *value)
	Write "set_device" attribute of the EV3 port. More...
size_t	multi_set_port_set_device (uint8_t *sn, char *value)
	Write "set_device" attribute of several EV3 ports. More...
size_t	get_port_status (uint8_t sn, char *buf, size_t sz)
	Read "status" attribute of the EV3 port. More...
const char *	ev3_port_type (INX_T type_inx)
	Get name of the specified EV3 port type. More...
INX_T	get_port_type_inx (uint8_t sn)
	Read "driver_name" attribute and get index of the EV3 port type. More...
size_t	get_port_desc (uint8_t sn, EV3_PORT *desc)
	Read EV3 port attributes that are required for filling the descriptor. More...
EV3_PORT *	ev3_port_desc (uint8_t sn)
	Get descriptor of the EV3 port. More...
INX_T	ev3_port_desc_type_inx (uint8_t sn)
	Get type from the EV3 port descriptor. More...
uint8_t	ev3_port_desc_port (uint8_t sn)
	Get EV3 port from the EV3 port descriptor. More...
uint8_t	ev3_port_desc_extport (uint8_t sn)
	Get extended port from the EV3 port descriptor. More...
uint8_t	ev3_port_desc_addr (uint8_t sn)
	Get I2C address from the EV3 port descriptor. More...
char *	ev3_port_port_name (uint8_t sn, char *buf)
	Assemble EV3 port name from the EV3 port descriptor. More...
bool	ev3_search_port_type (INX_T type_inx, uint8_t *sn, uint8_t from)
	Search of a sequence number of the specified EV3 port type. More...
bool	ev3_search_port_plugged_in (uint8_t port, uint8_t extport, uint8_t *sn, uint8_t from)
	Search of a sequence number the EV3 port by plug-in attributes. More...
const char *	ev3_port_mode (INX_T mode_inx)
	Get name of the specified EV3 port mode. More...
INX_T	get_port_mode_inx_of_type (uint8_t sn, INX_T type_inx)
	Read "mode" attribute of the specified EV3 port type and get the index. More...
INX_T	get_port_mode_inx (uint8_t sn)
	Read "mode" attribute of the EV3 port and get the index. More...
size_t	set_port_mode_inx (uint8_t sn, INX_T mode_inx)
	Write "mode" attribute of the EV3 port by the index. More...
size_t	multi_set_port_mode_inx (uint8_t *sn, INX_T mode_inx)
	Write "mode" attribute of several EV3 ports by the index. More...
int	ev3_port_init (void)
	Detect connected EV3 ports. More...
void	ev3_parse_port_name (char *name, uint8_t *port, uint8_t *extport, uint8_t *addr)
	Parse name of the EV3 port. More...
char *	ev3_port_name (uint8_t port, uint8_t extport, uint8_t addr, char *buf)
	Assemble name of the EV3 port. More...
uint8_t	ev3_search_port (uint8_t port, uint8_t extport)
	Search of a port sequence number by the EV3 port and the extended port. More...

Detailed Description

EV3 Ports.

(ev3_port.yu-c)

Author

Vitaly Kravtsov (in4li.nosp@m.o@gm.nosp@m.ail.c.nosp@m.om)

Copyright

See the LICENSE file.