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/* irman.h v0.4.2 (c) 1998-99 Tom Wheeley <tomw@tsys.demon.co.uk> */
/* this code is placed under the LGPL, see www.gnu.org for info */
#ifndef IRMAN_H
#define IRMAN_H
/* number of bytes sent back from the IR interface */
#define IR_CODE_LEN 6
/* timing details. we have `SSEC' instead of `SEC' due to clashes with
* some (ie Solaris) <time.h> definitions */
#define SSEC * 1000000
#define MSEC * 1000
#define USEC
/* Assuming LONG_MAX to be 2,000,000,000, we have a maximum timeout of
* approx 2,000s, ie over half an hour. Plenty! (I should hope)
*/
/* time we allow the port to sort itself out with */
#define IR_POWER_ON_LATENCY (50 MSEC)
#define IR_POWER_OFF_LATENCY (50 MSEC)
/* gap between sending 'I' and 'R' */
#define IR_HANDSHAKE_GAP (2000 USEC)
/* successive initial garbage characters should not be more than this apart */
#define IR_GARBAGE_TIMEOUT (50 MSEC)
/* letters 'O' and 'K' should arrive within this */
#define IR_HANDSHAKE_TIMEOUT (2 SSEC)
/* successive bytes of an ir pseudocode should arrive within this time limit */
#define IR_POLL_TIMEOUT (50 MSEC)
/* double signals should be no less than this apart */
#define IR_DOUBLE_TIMEOUT (200 MSEC)
/* timeout for blocking IO */
#define IR_BLOCKING (-1)
/* return from ir_get_command() on error */
#define IR_CMD_ERROR -1
#define IR_CMD_UNKNOWN 0
/* size of hash table in ircmd.c. must be prime */
#define IR_HT_SIZE 271
/* size of string to hold default Irman port name, eg /dev/ttyS0 */
#define IR_PORTNAME_LEN 127
/* filename for system irmanrc */
#ifndef IR_SYSCONF_DIR
# define IR_SYSCONF_DIR "/etc"
#endif
#define IR_SYSTEM_IRMANRC IR_SYSCONF_DIR "/irman.conf"
/* filename for users irmanrc */
#define IR_USER_IRMANRC ".irmanrc"
/* messages printed by ir_ask_for_code() */
#define IR_ASK_GREETING "please press the button for %s\n"
#define IR_ASK_REPEAT "press %s again, to be sure...\n"
#define IR_ASK_OK "Thankyou.\n"
#define IR_ASK_NOMATCH "The two codes do not match. "
#define ir_code_to_name(c) ir_text_to_name(ir_code_to_text(c))
#define ir_name_to_code(n) ir_text_to_code(ir_name_to_text(n))
/*
* errno codes
*/
#define IR_EENABLED -1 /* ir routines already enabled */
#define IR_EDISABLED -2 /* ir routines disabled */
#define IR_EHANDSHAKE -3 /* error in handshake with Irman */
#define IR_EDUPCODE -4 /* duplicate code received */
#define IR_EBADCMD -11 /* bad command number */
#define IR_ENOKEY -12 /* key does not exist */
#define IR_EDUPKEY -13 /* key already exists */
/*
* Function prototypes
*/
/* high level: ircmd.c */
int ir_init_commands(char *rcname, int warn);
char *ir_text_to_name(char *text);
char *ir_name_to_text(char *name);
int ir_bind(char *name, char *text);
int ir_alias(char *newname, char *name);
int ir_register_command(char *name, int command);
int ir_remove_command(char *name);
int ir_get_command(void);
int ir_poll_command(void);
void ir_free_commands(void);
unsigned char *ir_ask_for_code(char *name, int display);
void ir_set_cmd_enabled(int val);
char *ir_default_portname(void);
char *ir_strerror(int eno);
/* mid level: irfunc.c */
int ir_init(char *filename);
int ir_finish(void);
unsigned char *ir_get_code(void);
unsigned char *ir_poll_code(void);
int ir_valid_code(char *text);
char *ir_code_to_text(unsigned char *code);
unsigned char *ir_text_to_code(char *text);
void ir_set_enabled(int val);
/* low level: irio.c */
int ir_open_port(char *filename);
int ir_close_port(void);
int ir_write_char(unsigned char data);
int ir_read_char(long timeout);
void ir_clear_buffer(void);
void ir_usleep(unsigned long usec);
/* purely internal stuff */
#ifdef __IR
#else
#endif /* __IR */
#endif /* IRMAN_H */
/* end of irman.h */
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