2012-09-13 03:49:19 +00:00
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/* MSPDebug - debugging tool for the eZ430
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* Copyright (C) 2009-2012 Daniel Beer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef FET_PROTO_H_
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#define FET_PROTO_H_
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#include <stdint.h>
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#include "transport.h"
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/* Send data in separate packets, as in the RF2500 */
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#define FET_PROTO_SEPARATE_DATA 0x01
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/* Received packets have an extra trailing byte */
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#define FET_PROTO_EXTRA_RECV 0x02
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/* Command packets have no leading \x7e */
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#define FET_PROTO_NOLEAD_SEND 0x04
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/* Data transfer limits */
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#define FET_PROTO_MAX_PARAMS 16
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#define FET_PROTO_MAX_BLOCK 4096
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/* Protocol parser structure */
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struct fet_proto {
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transport_t transport;
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int proto_flags;
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/* Raw packet buffer */
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uint8_t fet_buf[65538];
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int fet_len;
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/* Received packet is parsed into these fields */
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int command_code;
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int state;
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2012-10-03 00:36:09 +00:00
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int error;
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2012-09-13 03:49:19 +00:00
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int argc;
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uint32_t argv[FET_PROTO_MAX_PARAMS];
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uint8_t *data;
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int datalen;
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};
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/* Initialize a FET protocol parser */
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void fet_proto_init(struct fet_proto *p, transport_t trans, int proto_flags);
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/* Perform a command-response transfer */
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int fet_proto_xfer(struct fet_proto *p,
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int command_code, const uint8_t *data, int datalen,
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int nparams, ...);
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#endif
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