]> sigrok.org Git - libsigrok.git/blame - src/hardware/rohde-schwarz-sme-0x/protocol.c
scpi-pps: don't break SCPI devices when scanning for HP-IB devices
[libsigrok.git] / src / hardware / rohde-schwarz-sme-0x / protocol.c
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2016 Vlad Ivanov <vlad.ivanov@lab-systems.ru>
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include <config.h>
21#include <glib.h>
22#include <scpi.h>
23
24#include "protocol.h"
25
26enum {
27 RS_CMD_CONTROL_REMOTE,
28 RS_CMD_SET_FREQ,
29 RS_CMD_SET_POWER,
30 RS_CMD_GET_FREQ,
ed1fae0b 31 RS_CMD_GET_POWER,
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32};
33
9e506594 34static char *commands[] = {
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35 [RS_CMD_CONTROL_REMOTE] = "\n",
36 [RS_CMD_SET_FREQ] = "FREQ %.1fHz",
37 [RS_CMD_SET_POWER] = "POW %.1fdBm",
38 [RS_CMD_GET_FREQ] = "FREQ?",
ed1fae0b 39 [RS_CMD_GET_POWER] = "POW?",
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40};
41
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42SR_PRIV int rs_sme0x_mode_remote(struct sr_scpi_dev_inst *scpi)
43{
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44 return sr_scpi_send(scpi, commands[RS_CMD_CONTROL_REMOTE]);
45}
46
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47SR_PRIV int rs_sme0x_get_freq(const struct sr_dev_inst *sdi, double *freq)
48{
49 if (sr_scpi_get_double(sdi->conn, commands[RS_CMD_GET_FREQ], freq) != SR_OK)
a28b3df1 50 return SR_ERR;
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51
52 return SR_OK;
53}
54
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55SR_PRIV int rs_sme0x_get_power(const struct sr_dev_inst *sdi, double *power)
56{
57 if (sr_scpi_get_double(sdi->conn, commands[RS_CMD_GET_POWER], power) != SR_OK)
a28b3df1 58 return SR_ERR;
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59
60 return SR_OK;
61}
62
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63SR_PRIV int rs_sme0x_set_freq(const struct sr_dev_inst *sdi, double freq)
64{
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65 struct dev_context *devc;
66 const struct rs_device_model *config;
67
68 devc = sdi->priv;
69 config = devc->model_config;
70
ed1fae0b 71 if ((freq > config->freq_max) || (freq < config->freq_min))
a28b3df1 72 return SR_ERR_ARG;
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73
74 return sr_scpi_send(sdi->conn, commands[RS_CMD_SET_FREQ], freq);
75}
76
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77SR_PRIV int rs_sme0x_set_power(const struct sr_dev_inst *sdi, double power)
78{
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79 struct dev_context *devc;
80 const struct rs_device_model *config;
81
82 devc = sdi->priv;
83 config = devc->model_config;
84
ed1fae0b 85 if ((power > config->power_max) || (power < config->power_min))
a28b3df1 86 return SR_ERR_ARG;
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87
88 return sr_scpi_send(sdi->conn, commands[RS_CMD_SET_POWER], power);
89}