65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2018-2020 Andreas Sandberg <andreas@sandberg.pp.se>
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBSIGROK_HARDWARE_RDTECH_UM_PROTOCOL_H
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#define LIBSIGROK_HARDWARE_RDTECH_UM_PROTOCOL_H
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#include <libsigrok/libsigrok.h>
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#include "libsigrok-internal.h"
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#define LOG_PREFIX "rdtech-um"
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#define RDTECH_UM_BUFSIZE 256
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enum rdtech_um_model_id {
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RDTECH_UM24C = 0x0963,
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RDTECH_UM25C = 0x09c9,
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RDTECH_UM34C = 0x0d4c,
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};
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enum rdtech_um_checksum {
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RDTECH_CSUM_STATIC_FFF1,
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RDTECH_CSUM_UM34C,
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};
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/* Supported device profiles */
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struct rdtech_um_profile {
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const char *model_name;
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enum rdtech_um_model_id model_id;
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const struct binary_analog_channel *channels;
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/* Verify poll packet checksum; return 1 if OK, 0 otherwise. */
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int (*poll_csum)(char buf[], int len);
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};
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struct dev_context {
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const struct rdtech_um_profile *profile;
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struct sr_sw_limits limits;
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char buf[RDTECH_UM_BUFSIZE];
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int buflen;
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int64_t cmd_sent_at;
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};
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SR_PRIV const struct rdtech_um_profile *rdtech_um_probe(struct sr_serial_dev_inst *serial);
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SR_PRIV int rdtech_um_receive_data(int fd, int revents, void *cb_data);
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SR_PRIV int rdtech_um_poll(const struct sr_dev_inst *sdi);
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#endif
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