ev3_dc.c File Reference

EV3 DC Motors. More...

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "modp_numtoa.h"
#include "ev3.h"
#include "ev3_port.h"
#include "ev3_dc.h"

Macros
#define	EV3_DC_IMPLEMENT
#define	PATH_PREF_LEN   25
#define	DESC_SPOT   "///"
#define	PATH_ADDRESS   "/sys/class/dc-motor/motor" DESC_SPOT "address"
#define	PATH_COMMAND   "/sys/class/dc-motor/motor" DESC_SPOT "command"
#define	PATH_COMMANDS   "/sys/class/dc-motor/motor" DESC_SPOT "commands"
#define	PATH_DRIVER_NAME   "/sys/class/dc-motor/motor" DESC_SPOT "driver_name"
#define	PATH_DUTY_CYCLE   "/sys/class/dc-motor/motor" DESC_SPOT "duty_cycle"
#define	PATH_DUTY_CYCLE_SP   "/sys/class/dc-motor/motor" DESC_SPOT "duty_cycle_sp"
#define	PATH_POLARITY   "/sys/class/dc-motor/motor" DESC_SPOT "polarity"
#define	PATH_STATE   "/sys/class/dc-motor/motor" DESC_SPOT "state"
#define	PATH_STOP_ACTION   "/sys/class/dc-motor/motor" DESC_SPOT "stop_action"
#define	PATH_STOP_ACTIONS   "/sys/class/dc-motor/motor" DESC_SPOT "stop_actions"
#define	PATH_RAMP_DOWN_SP   "/sys/class/dc-motor/motor" DESC_SPOT "ramp_down_sp"
#define	PATH_RAMP_UP_SP   "/sys/class/dc-motor/motor" DESC_SPOT "ramp_up_sp"
#define	PATH_TIME_SP   "/sys/class/dc-motor/motor" DESC_SPOT "time_sp"

Functions
size_t	get_dc_address (uint8_t sn, char *buf, size_t sz)
	Read "address" attribute of the DC motor. More...
size_t	set_dc_command (uint8_t sn, char *value)
	Write "command" attribute of the DC motor. More...
size_t	multi_set_dc_command (uint8_t *sn, char *value)
	Write "command" attribute of several DC motors. More...
size_t	get_dc_commands (uint8_t sn, char *buf, size_t sz)
	Read "commands" attribute of the DC motor. More...
size_t	get_dc_driver_name (uint8_t sn, char *buf, size_t sz)
	Read "driver_name" attribute of the DC motor. More...
size_t	get_dc_duty_cycle (uint8_t sn, int *buf)
	Read "duty_cycle" attribute of the DC motor. More...
size_t	get_dc_duty_cycle_sp (uint8_t sn, int *buf)
	Read "duty_cycle_sp" attribute of the DC motor. More...
size_t	set_dc_duty_cycle_sp (uint8_t sn, int value)
	Write "duty_cycle_sp" attribute of the DC motor. More...
size_t	multi_set_dc_duty_cycle_sp (uint8_t *sn, int value)
	Write "duty_cycle_sp" attribute of several DC motors. More...
size_t	get_dc_polarity (uint8_t sn, char *buf, size_t sz)
	Read "polarity" attribute of the DC motor. More...
size_t	set_dc_polarity (uint8_t sn, char *value)
	Write "polarity" attribute of the DC motor. More...
size_t	multi_set_dc_polarity (uint8_t *sn, char *value)
	Write "polarity" attribute of several DC motors. More...
size_t	get_dc_state (uint8_t sn, char *buf, size_t sz)
	Read "state" attribute of the DC motor. More...
size_t	set_dc_stop_action (uint8_t sn, char *value)
	Write "stop_action" attribute of the DC motor. More...
size_t	multi_set_dc_stop_action (uint8_t *sn, char *value)
	Write "stop_action" attribute of several DC motors. More...
size_t	get_dc_stop_actions (uint8_t sn, char *buf, size_t sz)
	Read "stop_actions" attribute of the DC motor. More...
size_t	get_dc_ramp_down_sp (uint8_t sn, int *buf)
	Read "ramp_down_sp" attribute of the DC motor. More...
size_t	set_dc_ramp_down_sp (uint8_t sn, int value)
	Write "ramp_down_sp" attribute of the DC motor. More...
size_t	multi_set_dc_ramp_down_sp (uint8_t *sn, int value)
	Write "ramp_down_sp" attribute of several DC motors. More...
size_t	get_dc_ramp_up_sp (uint8_t sn, int *buf)
	Read "ramp_up_sp" attribute of the DC motor. More...
size_t	set_dc_ramp_up_sp (uint8_t sn, int value)
	Write "ramp_up_sp" attribute of the DC motor. More...
size_t	multi_set_dc_ramp_up_sp (uint8_t *sn, int value)
	Write "ramp_up_sp" attribute of several DC motors. More...
size_t	get_dc_time_sp (uint8_t sn, int *buf)
	Read "time_sp" attribute of the DC motor. More...
size_t	set_dc_time_sp (uint8_t sn, int value)
	Write "time_sp" attribute of the DC motor. More...
size_t	multi_set_dc_time_sp (uint8_t *sn, int value)
	Write "time_sp" attribute of several DC motors. More...
const char *	ev3_dc_type (INX_T type_inx)
	Get name of the specified DC motor type. More...
INX_T	get_dc_type_inx (uint8_t sn)
	Read "driver_name" attribute and get index of the DC motor type. More...
size_t	get_dc_desc (uint8_t sn, EV3_DC *desc)
	Read DC motor attributes that are required for filling the descriptor. More...
EV3_DC *	ev3_dc_desc (uint8_t sn)
	Get descriptor of the DC motor. More...
INX_T	ev3_dc_desc_type_inx (uint8_t sn)
	Get type from the DC motor descriptor. More...
uint8_t	ev3_dc_desc_port (uint8_t sn)
	Get EV3 port from the DC motor descriptor. More...
uint8_t	ev3_dc_desc_extport (uint8_t sn)
	Get extended port from the DC motor descriptor. More...
char *	ev3_dc_port_name (uint8_t sn, char *buf)
	Assemble EV3 port name from the DC motor descriptor. More...
bool	ev3_search_dc (INX_T type_inx, uint8_t *sn, uint8_t from)
	Search of a sequence number of the specified DC motor type. More...
bool	ev3_search_dc_plugged_in (uint8_t port, uint8_t extport, uint8_t *sn, uint8_t from)
	Search of a sequence number the DC motor by plug-in attributes. More...
const char *	ev3_dc_command (INX_T command_inx)
	Get name of the specified DC motor command. More...
size_t	set_dc_command_inx (uint8_t sn, INX_T command_inx)
	Write "command" attribute of the DC motor by the index. More...
size_t	multi_set_dc_command_inx (uint8_t *sn, INX_T command_inx)
	Write "command" attribute of several DC motors by the index. More...
const char *	ev3_dc_polarity (INX_T polarity_inx)
	Get name of the specified DC motor polarity. More...
INX_T	get_dc_polarity_inx (uint8_t sn)
	Read "polarity" attribute of the DC motor and get the index. More...
size_t	set_dc_polarity_inx (uint8_t sn, INX_T polarity_inx)
	Write "polarity" attribute of the DC motor by the index. More...
size_t	multi_set_dc_polarity_inx (uint8_t *sn, INX_T polarity_inx)
	Write "polarity" attribute of several DC motors by the index. More...
const char *	ev3_dc_stop_action (INX_T stop_action_inx)
	Get name of the specified DC motor stop_action. More...
size_t	set_dc_stop_action_inx (uint8_t sn, INX_T stop_action_inx)
	Write "stop_action" attribute of the DC motor by the index. More...
size_t	multi_set_dc_stop_action_inx (uint8_t *sn, INX_T stop_action_inx)
	Write "stop_action" attribute of several DC motors by the index. More...
size_t	get_dc_state_flags (uint8_t sn, FLAGS_T *flags)
	Read "state" attribute of the DC motor and get the flags. More...
int	ev3_dc_init (void)
	Detect connected DC motors. More...

Detailed Description

EV3 DC Motors.

(ev3_dc.yu-c)

Author

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

Copyright

See the LICENSE file.