home *** CD-ROM | disk | FTP | other *** search
- /*
- * bfb/bfb.h
- *
- * Copyright (c) 2002 Christian W. Zuckschwerdt <zany@triq.net>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- */
-
- #ifndef BFB_H
- #define BFB_H
-
- #include <inttypes.h>
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- #ifdef _WIN32
- #include <windows.h>
- typedef HANDLE fd_t;
- #else
- typedef int fd_t;
- #endif
-
- #define BFB_LOG_DOMAIN "bfb"
-
- typedef struct {
- uint8_t type;
- uint8_t len;
- uint8_t chk;
- uint8_t payload[0]; /* ... up to 32 */
- /* uint8_t xor; ? */
- } bfb_frame_t;
-
- typedef struct {
- uint8_t cmd;
- uint8_t chk;
- uint8_t seq;
- uint8_t len0;
- uint8_t len1;
- uint8_t data[0]; /* ... up to 518 ? */
- /* uint16_t crc; */
- } bfb_data_t;
-
-
- #define BFB_FRAME_CONNECT 0x02 /* ^B */
- #define BFB_FRAME_INTERFACE 0x01 /* ^A */
- #define BFB_FRAME_KEY 0x05 /* ^E */
- #define BFB_FRAME_AT 0x06 /* ^F */
- #define BFB_FRAME_EEPROM 0x14 /* ^N */
- #define BFB_FRAME_DATA 0x16 /* ^P */
-
- #define BFB_CONNECT_HELLO 0x14 /* ^N */
- #define BFB_CONNECT_HELLO_ACK 0xaa
-
- #define BFB_KEY_PRESS 0x06 /* ^F */
-
- #define MAX_PACKET_DATA 32
- #define BFB_DATA_ACK 0x01 /* aka ok */
- #define BFB_DATA_FIRST 0x02 /* first transmission in a row */
- #define BFB_DATA_NEXT 0x03 /* continued transmission */
-
- uint8_t bfb_checksum(uint8_t *data, int len);
-
- int bfb_write_subcmd(fd_t fd, uint8_t type, uint8_t subtype);
- int bfb_write_subcmd0(fd_t fd, uint8_t type, uint8_t subtype);
- int bfb_write_subcmd8(fd_t fd, uint8_t type, uint8_t subtype, uint8_t p1);
- int bfb_write_subcmd1(fd_t fd, uint8_t type, uint8_t subtype, uint16_t p1);
-
- /* send a cmd, subcmd packet, add chk (two word parameter) */
- int bfb_write_subcmd2(fd_t fd, uint8_t type, uint8_t subtype, uint16_t p1, uint16_t p2);
-
- /* send a cmd, subcmd packet, add chk (three word parameter) */
- int bfb_write_subcmd3(fd_t fd, uint8_t type, uint8_t subtype, uint16_t p1, uint16_t p2, uint16_t p3);
-
- /* send a cmd, subcmd packet, add long, word parameter */
- int bfb_write_subcmd_lw(fd_t fd, uint8_t type, uint8_t subtype, uint32_t p1, uint16_t p2);
-
- int bfb_stuff_data(/*@out@*/ uint8_t *buffer, uint8_t type, uint8_t *data, uint16_t len, uint8_t seq);
-
- int bfb_write_packets(fd_t fd, uint8_t type, uint8_t *buffer, int length);
-
- #define bfb_write_at(fd, data) \
- bfb_write_packets(fd, BFB_FRAME_AT, data, strlen(data))
-
- #define bfb_write_key(fd, data) \
- bfb_write_subcmd8(fd, BFB_FRAME_KEY, BFB_KEY_PRESS, data)
-
- int bfb_send_data(fd_t fd, uint8_t type, uint8_t *data, uint16_t length, uint8_t seq);
-
- #define bfb_send_ack(fd) \
- bfb_send_data(fd, BFB_DATA_ACK, NULL, 0, 0)
-
- #define bfb_send_first(fd, data, length) \
- bfb_send_data(fd, BFB_DATA_FIRST, data, length, 0)
-
- #define bfb_send_next(fd, data, length, seq) \
- bfb_send_data(fd, BFB_DATA_NEXT, data, length, seq)
-
-
- /*@null@*/ bfb_frame_t *
- bfb_read_packets(uint8_t *buffer, int *length);
-
- int bfb_assemble_data(/*@null@*/ /*@out@*/ bfb_data_t **data, int *size, int *len, bfb_frame_t *frame);
-
- int bfb_check_data(bfb_data_t *data, int len);
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* BFB_H */
-