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d85abe214f
modified: CHANGES.md modified: Makefile.linux modified: Makefile.macosx modified: Makefile.win modified: README.md modified: atest.c modified: audio.h new file: ax25_link.c new file: ax25_link.h modified: ax25_pad.c modified: ax25_pad.h modified: ax25_pad2.c new file: cdigipeater.c new file: cdigipeater.h modified: config.c modified: config.h modified: digipeater.c modified: direwolf.c modified: direwolf.h modified: dlq.c modified: dlq.h modified: doc/Going-beyond-9600-baud.pdf modified: doc/Raspberry-Pi-APRS.pdf modified: doc/Raspberry-Pi-SDR-IGate.pdf modified: doc/User-Guide.pdf modified: gen_packets.c modified: hdlc_rec.c modified: hdlc_send.c modified: hdlc_send.h modified: igate.c modified: log.c modified: log.h modified: multi_modem.c modified: pfilter.c modified: pfilter.h modified: ptt.c modified: recv.c modified: serial_port.c modified: server.c modified: server.h modified: symbols-new.txt modified: tocalls.txt modified: tq.c modified: tq.h modified: waypoint.c modified: xid.c new file: xid.h modified: xmit.c
82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
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/* ax25_link.h */
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#ifndef AX25_LINK_H
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#define AX25_LINK_H 1
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#include "ax25_pad.h" // for AX25_MAX_INFO_LEN
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#include "dlq.h" // for dlq_item_t
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#include "config.h" // for struct misc_config_s
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// Limits and defaults for parameters.
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#define AX25_N1_PACLEN_MIN 1 // Max bytes in Information part of frame.
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#define AX25_N1_PACLEN_DEFAULT 256 // some v2.0 implementations have 128
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#define AX25_N1_PACLEN_MAX AX25_MAX_INFO_LEN // from ax25_pad.h
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#define AX25_N2_RETRY_MIN 1 // Number of times to retry before giving up.
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#define AX25_N2_RETRY_DEFAULT 10
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#define AX25_N2_RETRY_MAX 15
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#define AX25_T1V_FRACK_MIN 1 // Number of seconds to wait before retrying.
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#define AX25_T1V_FRACK_DEFAULT 3 // KPC-3+ has 4. TM-D710A has 3.
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#define AX25_T1V_FRACK_MAX 15
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#define AX25_K_MAXFRAME_BASIC_MIN 1 // Window size - number of I frames to send before waiting for ack.
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#define AX25_K_MAXFRAME_BASIC_DEFAULT 4
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#define AX25_K_MAXFRAME_BASIC_MAX 7
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#define AX25_K_MAXFRAME_EXTENDED_MIN 1
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#define AX25_K_MAXFRAME_EXTENDED_DEFAULT 32
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#define AX25_K_MAXFRAME_EXTENDED_MAX 63 // In theory 127 but I'm restricting as explained in SREJ handling.
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// Call once at startup time.
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void ax25_link_init (struct misc_config_s *pconfig);
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// IMPORTANT:
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// These functions must be called on a single thread, one at a time.
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// The Data Link Queue (DLQ) is used to serialize events from multiple sources.
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void dl_connect_request (dlq_item_t *E);
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void dl_disconnect_request (dlq_item_t *E);
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void dl_data_request (dlq_item_t *E);
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void dl_register_callsign (dlq_item_t *E);
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void dl_unregister_callsign (dlq_item_t *E);
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void dl_client_cleanup (dlq_item_t *E);
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void lm_data_indication (dlq_item_t *E);
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void lm_channel_busy (dlq_item_t *E);
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void dl_timer_expiry (void);
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double ax25_link_get_next_timer_expiry (void);
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#endif
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/* end ax25_link.h */ |