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/* MSPDebug - debugging tool for the eZ430
* Copyright (C) 2009-2012 Daniel Beer
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef FET_PROTO_H_
#define FET_PROTO_H_
#include <stdint.h>
#include "transport.h"
/* Send data in separate packets, as in the RF2500 */
#define FET_PROTO_SEPARATE_DATA 0x01
/* Received packets have an extra trailing byte */
#define FET_PROTO_EXTRA_RECV 0x02
/* Command packets have no leading \x7e */
#define FET_PROTO_NOLEAD_SEND 0x04
/* Data transfer limits */
#define FET_PROTO_MAX_PARAMS 16
#define FET_PROTO_MAX_BLOCK 4096
/* Protocol parser structure */
struct fet_proto {
transport_t transport;
int proto_flags;
/* Raw packet buffer */
uint8_t fet_buf[65538];
int fet_len;
/* Received packet is parsed into these fields */
int command_code;
int state;
int error;
int argc;
uint32_t argv[FET_PROTO_MAX_PARAMS];
uint8_t *data;
int datalen;
};
/* Initialize a FET protocol parser */
void fet_proto_init(struct fet_proto *p, transport_t trans, int proto_flags);
/* Perform a command-response transfer */
int fet_proto_xfer(struct fet_proto *p,
int command_code, const uint8_t *data, int datalen,
int nparams, ...);
#endif
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