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cc9653de MP |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2023 Mathieu Pilato <pilato.mathieu@free.fr> | |
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 "protocol.h" | |
22 | ||
23 | static struct sr_dev_driver atorch_driver_info; | |
24 | ||
a5800e90 MP |
25 | static const uint32_t scanopts[] = { |
26 | SR_CONF_CONN, | |
27 | SR_CONF_SERIALCOMM, | |
28 | }; | |
cc9653de | 29 | |
a5800e90 MP |
30 | static const uint32_t drvopts[] = { |
31 | SR_CONF_ENERGYMETER, | |
32 | SR_CONF_POWERMETER, | |
33 | SR_CONF_ELECTRONIC_LOAD, | |
34 | }; | |
cc9653de | 35 | |
a5800e90 MP |
36 | static const uint32_t devopts[] = { |
37 | SR_CONF_CONTINUOUS, | |
38 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
39 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, | |
40 | }; | |
cc9653de | 41 | |
a5800e90 MP |
42 | static int create_channels_feed_queues(struct sr_dev_inst *sdi, |
43 | struct dev_context *devc) | |
44 | { | |
45 | size_t i; | |
46 | struct sr_channel *sr_ch; | |
47 | const struct atorch_channel_desc *at_ch; | |
48 | struct feed_queue_analog *feed; | |
49 | const struct atorch_device_profile *p; | |
50 | ||
51 | p = devc->profile; | |
52 | devc->feeds = g_malloc0(p->channel_count * sizeof(devc->feeds[0])); | |
53 | for (i = 0; i < p->channel_count; i++) { | |
54 | at_ch = &p->channels[i]; | |
55 | sr_ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, at_ch->name); | |
56 | feed = feed_queue_analog_alloc(sdi, 1, at_ch->digits, sr_ch); | |
57 | feed_queue_analog_mq_unit(feed, at_ch->mq, at_ch->flags, at_ch->unit); | |
58 | feed_queue_analog_scale_offset(feed, &at_ch->scale, NULL); | |
59 | devc->feeds[i] = feed; | |
60 | } | |
cc9653de | 61 | |
a5800e90 | 62 | return SR_OK; |
cc9653de MP |
63 | } |
64 | ||
a5800e90 MP |
65 | static GSList *atorch_scan(struct sr_dev_driver *di, |
66 | const char *conn, const char *serialcomm) | |
cc9653de | 67 | { |
a5800e90 MP |
68 | struct sr_serial_dev_inst *serial; |
69 | GSList *devices; | |
70 | struct dev_context *devc; | |
71 | struct sr_dev_inst *sdi; | |
cc9653de | 72 | |
a5800e90 MP |
73 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
74 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
75 | goto err_out; | |
cc9653de | 76 | |
a5800e90 MP |
77 | devc = g_malloc0(sizeof(*devc)); |
78 | ||
79 | if (atorch_probe(serial, devc) != SR_OK) { | |
80 | sr_err("Failed to find a supported Atorch device."); | |
81 | goto err_out_serial; | |
82 | } | |
83 | ||
84 | sr_sw_limits_init(&devc->limits); | |
85 | ||
86 | sdi = g_malloc0(sizeof(*sdi)); | |
87 | sdi->priv = devc; | |
88 | sdi->status = SR_ST_INACTIVE; | |
89 | sdi->vendor = g_strdup("Atorch"); | |
90 | sdi->model = g_strdup(devc->profile->device_name); | |
91 | sdi->version = NULL; | |
92 | sdi->inst_type = SR_INST_SERIAL; | |
93 | sdi->conn = serial; | |
94 | ||
95 | create_channels_feed_queues(sdi, devc); | |
96 | ||
97 | serial_close(serial); | |
98 | ||
99 | devices = g_slist_append(NULL, sdi); | |
100 | return std_scan_complete(di, devices); | |
101 | ||
102 | err_out_serial: | |
103 | g_free(devc); | |
104 | serial_close(serial); | |
105 | err_out: | |
106 | sr_serial_dev_inst_free(serial); | |
107 | ||
108 | return NULL; | |
cc9653de MP |
109 | } |
110 | ||
a5800e90 | 111 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
cc9653de | 112 | { |
a5800e90 | 113 | const char *serial_device, *serial_options; |
cc9653de | 114 | |
a5800e90 MP |
115 | serial_device = NULL; |
116 | serial_options = "9600/8n1"; | |
cc9653de | 117 | |
a5800e90 MP |
118 | (void)sr_serial_extract_options(options, &serial_device, &serial_options); |
119 | if (!serial_device || !*serial_device) | |
120 | return NULL; | |
121 | ||
122 | return atorch_scan(di, serial_device, serial_options); | |
cc9653de MP |
123 | } |
124 | ||
125 | static int config_get(uint32_t key, GVariant **data, | |
126 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
127 | { | |
a5800e90 | 128 | struct dev_context *devc; |
cc9653de | 129 | |
cc9653de MP |
130 | (void)cg; |
131 | ||
a5800e90 MP |
132 | if (!sdi || !data) |
133 | return SR_ERR_ARG; | |
134 | ||
135 | devc = sdi->priv; | |
136 | ||
cc9653de | 137 | switch (key) { |
a5800e90 MP |
138 | case SR_CONF_LIMIT_SAMPLES: |
139 | case SR_CONF_LIMIT_FRAMES: | |
140 | case SR_CONF_LIMIT_MSEC: | |
141 | return sr_sw_limits_config_get(&devc->limits, key, data); | |
cc9653de MP |
142 | default: |
143 | return SR_ERR_NA; | |
144 | } | |
cc9653de MP |
145 | } |
146 | ||
147 | static int config_set(uint32_t key, GVariant *data, | |
148 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
149 | { | |
a5800e90 | 150 | struct dev_context *devc; |
cc9653de | 151 | |
cc9653de MP |
152 | (void)data; |
153 | (void)cg; | |
154 | ||
a5800e90 MP |
155 | devc = sdi->priv; |
156 | ||
cc9653de | 157 | switch (key) { |
a5800e90 MP |
158 | case SR_CONF_LIMIT_SAMPLES: |
159 | case SR_CONF_LIMIT_FRAMES: | |
160 | case SR_CONF_LIMIT_MSEC: | |
161 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
cc9653de | 162 | default: |
a5800e90 | 163 | return SR_ERR_NA; |
cc9653de | 164 | } |
cc9653de MP |
165 | } |
166 | ||
167 | static int config_list(uint32_t key, GVariant **data, | |
168 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
169 | { | |
a5800e90 | 170 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
cc9653de MP |
171 | } |
172 | ||
173 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
174 | { | |
a5800e90 MP |
175 | struct sr_serial_dev_inst *serial; |
176 | struct dev_context *devc; | |
177 | ||
178 | serial = sdi->conn; | |
179 | devc = sdi->priv; | |
180 | ||
181 | sr_sw_limits_acquisition_start(&devc->limits); | |
182 | std_session_send_df_header(sdi); | |
cc9653de | 183 | |
a5800e90 MP |
184 | serial_source_add(sdi->session, serial, G_IO_IN, 100, |
185 | atorch_receive_data_callback, (void *)sdi); | |
cc9653de MP |
186 | |
187 | return SR_OK; | |
188 | } | |
189 | ||
a5800e90 | 190 | static void clear_helper(struct dev_context *devc) |
cc9653de | 191 | { |
a5800e90 | 192 | size_t idx; |
cc9653de | 193 | |
a5800e90 MP |
194 | if (!devc) |
195 | return; | |
cc9653de | 196 | |
a5800e90 MP |
197 | if (devc->feeds && devc->profile) { |
198 | for (idx = 0; idx < devc->profile->channel_count; idx++) | |
199 | feed_queue_analog_free(devc->feeds[idx]); | |
200 | g_free(devc->feeds); | |
201 | } | |
202 | } | |
203 | ||
204 | static int dev_clear(const struct sr_dev_driver *driver) | |
205 | { | |
206 | return std_dev_clear_with_callback(driver, (std_dev_clear_callback)clear_helper); | |
cc9653de MP |
207 | } |
208 | ||
209 | static struct sr_dev_driver atorch_driver_info = { | |
210 | .name = "atorch", | |
a5800e90 | 211 | .longname = "atorch meters and loads", |
cc9653de MP |
212 | .api_version = 1, |
213 | .init = std_init, | |
214 | .cleanup = std_cleanup, | |
215 | .scan = scan, | |
216 | .dev_list = std_dev_list, | |
a5800e90 | 217 | .dev_clear = dev_clear, |
cc9653de MP |
218 | .config_get = config_get, |
219 | .config_set = config_set, | |
220 | .config_list = config_list, | |
a5800e90 MP |
221 | .dev_open = std_serial_dev_open, |
222 | .dev_close = std_serial_dev_close, | |
cc9653de | 223 | .dev_acquisition_start = dev_acquisition_start, |
a5800e90 | 224 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
cc9653de MP |
225 | .context = NULL, |
226 | }; | |
227 | SR_REGISTER_DEV_DRIVER(atorch_driver_info); |