]> sigrok.org Git - libsigrok.git/blame - src/hardware/manson-hcs-3xxx/api.c
Fix a few "value never read" scan-build warnings.
[libsigrok.git] / src / hardware / manson-hcs-3xxx / api.c
CommitLineData
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2014 Uwe Hermann <uwe@hermann-uwe.de>
25abc8dd 5 * Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
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6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
9740d9bf 22/** @file
c442ffda 23 * <em>Manson HCS-3xxx series</em> power supply driver
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24 * @internal
25 */
26
6ec6c43b 27#include <config.h>
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28#include "protocol.h"
29
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30static const uint32_t drvopts[] = {
31 /* Device class */
32 SR_CONF_POWER_SUPPLY,
33};
34
a0e0bb41 35static const uint32_t scanopts[] = {
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36 SR_CONF_CONN,
37 SR_CONF_SERIALCOMM,
38};
39
584560f1 40static const uint32_t devopts[] = {
811d6255 41 /* Device class */
b5e92647 42 SR_CONF_POWER_SUPPLY,
f3f19d11 43 /* Acquisition modes. */
b5e92647 44 SR_CONF_CONTINUOUS,
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45 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
46 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
811d6255 47 /* Device configuration */
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48 SR_CONF_VOLTAGE | SR_CONF_GET,
49 SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
50 SR_CONF_CURRENT | SR_CONF_GET,
51 SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
52 SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
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53};
54
55/* Note: All models have one power supply output only. */
329733d9 56static const struct hcs_model models[] = {
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57 { MANSON_HCS_3100, "HCS-3100", "3100", { 1, 18, 0.1 }, { 0, 10, 0.10 } },
58 { MANSON_HCS_3102, "HCS-3102", "3102", { 1, 36, 0.1 }, { 0, 5, 0.01 } },
59 { MANSON_HCS_3104, "HCS-3104", "3104", { 1, 60, 0.1 }, { 0, 2.5, 0.01 } },
60 { MANSON_HCS_3150, "HCS-3150", "3150", { 1, 18, 0.1 }, { 0, 15, 0.10 } },
61 { MANSON_HCS_3200, "HCS-3200", "3200", { 1, 18, 0.1 }, { 0, 20, 0.10 } },
62 { MANSON_HCS_3202, "HCS-3202", "3202", { 1, 36, 0.1 }, { 0, 10, 0.10 } },
63 { MANSON_HCS_3204, "HCS-3204", "3204", { 1, 60, 0.1 }, { 0, 5, 0.01 } },
64 { MANSON_HCS_3300, "HCS-3300-USB", "3300", { 1, 16, 0.1 }, { 0, 30, 0.10 } },
65 { MANSON_HCS_3302, "HCS-3302-USB", "3302", { 1, 32, 0.1 }, { 0, 15, 0.10 } },
66 { MANSON_HCS_3304, "HCS-3304-USB", "3304", { 1, 60, 0.1 }, { 0, 8, 0.10 } },
67 { MANSON_HCS_3400, "HCS-3400-USB", "3400", { 1, 16, 0.1 }, { 0, 40, 0.10 } },
68 { MANSON_HCS_3402, "HCS-3402-USB", "3402", { 1, 32, 0.1 }, { 0, 20, 0.10 } },
69 { MANSON_HCS_3404, "HCS-3404-USB", "3404", { 1, 60, 0.1 }, { 0, 10, 0.10 } },
70 { MANSON_HCS_3600, "HCS-3600-USB", "3600", { 1, 16, 0.1 }, { 0, 60, 0.10 } },
71 { MANSON_HCS_3602, "HCS-3602-USB", "3602", { 1, 32, 0.1 }, { 0, 30, 0.10 } },
72 { MANSON_HCS_3604, "HCS-3604-USB", "3604", { 1, 60, 0.1 }, { 0, 15, 0.10 } },
73 { 0, NULL, NULL, { 0, 0, 0 }, { 0, 0, 0 }, },
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74};
75
8f4e922f 76SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info;
8f4e922f 77
4f840ce9 78static int dev_clear(const struct sr_dev_driver *di)
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79{
80 return std_dev_clear(di, NULL);
81}
82
4f840ce9 83static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
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84{
85 return std_init(sr_ctx, di, LOG_PREFIX);
86}
87
4f840ce9 88static GSList *scan(struct sr_dev_driver *di, GSList *options)
8f4e922f 89{
b5e92647 90 int i, model_id;
8f4e922f 91 struct drv_context *drvc;
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92 struct dev_context *devc;
93 struct sr_dev_inst *sdi;
94 struct sr_config *src;
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95 GSList *devices, *l;
96 const char *conn, *serialcomm;
97 struct sr_serial_dev_inst *serial;
5437a0ad 98 char reply[50], **tokens, *dummy;
8f4e922f 99
41812aca 100 drvc = di->context;
8f4e922f 101 drvc->instances = NULL;
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102 devices = NULL;
103 conn = NULL;
104 serialcomm = NULL;
9740d9bf 105 devc = NULL;
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106
107 for (l = options; l; l = l->next) {
108 src = l->data;
109 switch (src->key) {
110 case SR_CONF_CONN:
111 conn = g_variant_get_string(src->data, NULL);
112 break;
113 case SR_CONF_SERIALCOMM:
114 serialcomm = g_variant_get_string(src->data, NULL);
115 break;
116 default:
117 sr_err("Unknown option %d, skipping.", src->key);
118 break;
119 }
120 }
8f4e922f 121
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122 if (!conn)
123 return NULL;
124 if (!serialcomm)
125 serialcomm = "9600/8n1";
8f4e922f 126
91219afc 127 serial = sr_serial_dev_inst_new(conn, serialcomm);
8f4e922f 128
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129 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
130 return NULL;
8f4e922f 131
b5e92647 132 serial_flush(serial);
8f4e922f 133
b5e92647 134 sr_info("Probing serial port %s.", conn);
8f4e922f 135
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136 /* Get the device model. */
137 memset(&reply, 0, sizeof(reply));
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138 if ((hcs_send_cmd(serial, "GMOD\r") < 0) ||
139 (hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
140 return NULL;
b5e92647 141 tokens = g_strsplit((const gchar *)&reply, "\r", 2);
8f4e922f 142
b5e92647 143 model_id = -1;
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144 for (i = 0; models[i].id != NULL; i++) {
145 if (!strcmp(models[i].id, tokens[0]))
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146 model_id = i;
147 }
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148 g_strfreev(tokens);
149
b5e92647 150 if (model_id < 0) {
25abc8dd 151 sr_err("Unknown model id '%s' detected, aborting.", tokens[0]);
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152 return NULL;
153 }
154
9740d9bf 155 /* Init device instance, etc. */
aac29cc1 156 sdi = g_malloc0(sizeof(struct sr_dev_inst));
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157 sdi->status = SR_ST_INACTIVE;
158 sdi->vendor = g_strdup("Manson");
159 sdi->model = g_strdup(models[model_id].name);
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160 sdi->inst_type = SR_INST_SERIAL;
161 sdi->conn = serial;
162 sdi->driver = di;
163
5e23fcab 164 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
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165
166 devc = g_malloc0(sizeof(struct dev_context));
167 devc->model = &models[model_id];
168
169 sdi->priv = devc;
170
5437a0ad 171 /* Get current voltage, current, status. */
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172 if ((hcs_send_cmd(serial, "GETD\r") < 0) ||
173 (hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
5437a0ad 174 goto exit_err;
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175 tokens = g_strsplit((const gchar *)&reply, "\r", 2);
176 if (hcs_parse_volt_curr_mode(sdi, tokens) < 0)
177 goto exit_err;
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178 g_strfreev(tokens);
179
180 /* Get max. voltage and current. */
181 if ((hcs_send_cmd(serial, "GMAX\r") < 0) ||
182 (hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
183 goto exit_err;
184 tokens = g_strsplit((const gchar *)&reply, "\r", 2);
185 devc->current_max_device = g_strtod(&tokens[0][3], &dummy) * devc->model->current[2];
186 tokens[0][3] = '\0';
187 devc->voltage_max_device = g_strtod(tokens[0], &dummy) * devc->model->voltage[2];
188 g_strfreev(tokens);
9740d9bf 189
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190 drvc->instances = g_slist_append(drvc->instances, sdi);
191 devices = g_slist_append(devices, sdi);
192
193 serial_close(serial);
194 if (!devices)
195 sr_serial_dev_inst_free(serial);
196
197 return devices;
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198
199exit_err:
200 sr_dev_inst_free(sdi);
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201 g_free(devc);
202
9740d9bf 203 return NULL;
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204}
205
4f840ce9 206static GSList *dev_list(const struct sr_dev_driver *di)
b5e92647 207{
41812aca 208 return ((struct drv_context *)(di->context))->instances;
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209}
210
4f840ce9 211static int cleanup(const struct sr_dev_driver *di)
8f4e922f 212{
4f840ce9 213 return dev_clear(di);
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214}
215
584560f1 216static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
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217 const struct sr_channel_group *cg)
218{
b5e92647 219 struct dev_context *devc;
8f4e922f 220
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221 (void)cg;
222
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223 if (!sdi)
224 return SR_ERR_ARG;
225
226 devc = sdi->priv;
227
8f4e922f 228 switch (key) {
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229 case SR_CONF_LIMIT_SAMPLES:
230 *data = g_variant_new_uint64(devc->limit_samples);
231 break;
232 case SR_CONF_LIMIT_MSEC:
233 *data = g_variant_new_uint64(devc->limit_msec);
234 break;
7a0b98b5 235 case SR_CONF_VOLTAGE:
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236 *data = g_variant_new_double(devc->voltage);
237 break;
7a0b98b5 238 case SR_CONF_VOLTAGE_TARGET:
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239 *data = g_variant_new_double(devc->voltage_max);
240 break;
7a0b98b5 241 case SR_CONF_CURRENT:
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242 *data = g_variant_new_double(devc->current);
243 break;
7a0b98b5 244 case SR_CONF_CURRENT_LIMIT:
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245 *data = g_variant_new_double(devc->current_max);
246 break;
7a0b98b5 247 case SR_CONF_ENABLED:
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248 *data = g_variant_new_boolean(devc->output_enabled);
249 break;
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250 default:
251 return SR_ERR_NA;
252 }
253
b5e92647 254 return SR_OK;
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255}
256
584560f1 257static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
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258 const struct sr_channel_group *cg)
259{
b5e92647 260 struct dev_context *devc;
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261 gboolean bval;
262 gdouble dval;
8f4e922f 263
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264 (void)cg;
265
266 if (sdi->status != SR_ST_ACTIVE)
267 return SR_ERR_DEV_CLOSED;
268
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269 devc = sdi->priv;
270
8f4e922f 271 switch (key) {
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272 case SR_CONF_LIMIT_MSEC:
273 if (g_variant_get_uint64(data) == 0)
274 return SR_ERR_ARG;
275 devc->limit_msec = g_variant_get_uint64(data);
276 break;
277 case SR_CONF_LIMIT_SAMPLES:
278 if (g_variant_get_uint64(data) == 0)
279 return SR_ERR_ARG;
280 devc->limit_samples = g_variant_get_uint64(data);
281 break;
7a0b98b5 282 case SR_CONF_VOLTAGE_TARGET:
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283 dval = g_variant_get_double(data);
284 if (dval < devc->model->voltage[0] || dval > devc->voltage_max_device)
285 return SR_ERR_ARG;
286
287 if ((hcs_send_cmd(sdi->conn, "VOLT%03.0f\r",
288 (dval / devc->model->voltage[2])) < 0) ||
289 (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
290 return SR_ERR;
291 devc->voltage_max = dval;
292 break;
7a0b98b5 293 case SR_CONF_CURRENT_LIMIT:
811d6255 294 dval = g_variant_get_double(data);
5437a0ad 295 if (dval < devc->model->current[0] || dval > devc->current_max_device)
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296 return SR_ERR_ARG;
297
298 if ((hcs_send_cmd(sdi->conn, "CURR%03.0f\r",
299 (dval / devc->model->current[2])) < 0) ||
300 (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
301 return SR_ERR;
302 devc->current_max = dval;
303 break;
7a0b98b5 304 case SR_CONF_ENABLED:
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305 bval = g_variant_get_boolean(data);
306 if (bval == devc->output_enabled) /* Nothing to do. */
307 break;
308 if ((hcs_send_cmd(sdi->conn, "SOUT%1d\r", !bval) < 0) ||
309 (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
310 return SR_ERR;
311 devc->output_enabled = bval;
312 break;
8f4e922f 313 default:
b5e92647 314 return SR_ERR_NA;
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315 }
316
b5e92647 317 return SR_OK;
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318}
319
584560f1 320static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
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321 const struct sr_channel_group *cg)
322{
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323 struct dev_context *devc;
324 GVariant *gvar;
325 GVariantBuilder gvb;
5437a0ad 326 double dval;
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327 int idx;
328
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329 (void)cg;
330
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331 /* Always available (with or without sdi). */
332 if (key == SR_CONF_SCAN_OPTIONS) {
333 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
334 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
335 return SR_OK;
336 }
337
338 /* Return drvopts without sdi (and devopts with sdi, see below). */
f3ba3c11
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339 if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
340 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
341 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
342 return SR_OK;
343 }
344
b6085eb1 345 /* Every other key needs an sdi. */
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346 if (!sdi)
347 return SR_ERR_ARG;
348 devc = sdi->priv;
349
8f4e922f 350 switch (key) {
b5e92647 351 case SR_CONF_DEVICE_OPTIONS:
584560f1 352 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b 353 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
b5e92647 354 break;
7a0b98b5 355 case SR_CONF_VOLTAGE_TARGET:
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MH
356 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
357 /* Min, max, step. */
358 for (idx = 0; idx < 3; idx++) {
5437a0ad 359 if (idx == 1)
ca95e90f 360 dval = devc->voltage_max_device;
5437a0ad 361 else
ca95e90f 362 dval = devc->model->voltage[idx];
5437a0ad 363 gvar = g_variant_new_double(dval);
811d6255
MH
364 g_variant_builder_add_value(&gvb, gvar);
365 }
366 *data = g_variant_builder_end(&gvb);
367 break;
7a0b98b5 368 case SR_CONF_CURRENT_LIMIT:
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369 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
370 /* Min, max, step. */
371 for (idx = 0; idx < 3; idx++) {
5437a0ad 372 if (idx == 1)
ca95e90f 373 dval = devc->current_max_device;
5437a0ad 374 else
ca95e90f 375 dval = devc->model->current[idx];
5437a0ad 376 gvar = g_variant_new_double(dval);
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377 g_variant_builder_add_value(&gvb, gvar);
378 }
379 *data = g_variant_builder_end(&gvb);
380 break;
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381 default:
382 return SR_ERR_NA;
383 }
384
b5e92647 385 return SR_OK;
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386}
387
b5e92647 388static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
8f4e922f 389{
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390 struct dev_context *devc;
391 struct sr_serial_dev_inst *serial;
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392
393 if (sdi->status != SR_ST_ACTIVE)
394 return SR_ERR_DEV_CLOSED;
395
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396 devc = sdi->priv;
397 devc->cb_data = cb_data;
398
399 /* Send header packet to the session bus. */
400 std_session_send_df_header(cb_data, LOG_PREFIX);
401
402 devc->starttime = g_get_monotonic_time();
403 devc->num_samples = 0;
404 devc->reply_pending = FALSE;
405 devc->req_sent_at = 0;
406
407 /* Poll every 10ms, or whenever some data comes in. */
408 serial = sdi->conn;
102f1239
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409 serial_source_add(sdi->session, serial, G_IO_IN, 10,
410 hcs_receive_data, (void *)sdi);
b5e92647 411
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412 return SR_OK;
413}
414
415static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
416{
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417 return std_serial_dev_acquisition_stop(sdi, cb_data,
418 std_serial_dev_close, sdi->conn, LOG_PREFIX);
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419}
420
421SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info = {
422 .name = "manson-hcs-3xxx",
423 .longname = "Manson HCS-3xxx",
424 .api_version = 1,
425 .init = init,
426 .cleanup = cleanup,
427 .scan = scan,
428 .dev_list = dev_list,
429 .dev_clear = dev_clear,
430 .config_get = config_get,
431 .config_set = config_set,
432 .config_list = config_list,
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433 .dev_open = std_serial_dev_open,
434 .dev_close = std_serial_dev_close,
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435 .dev_acquisition_start = dev_acquisition_start,
436 .dev_acquisition_stop = dev_acquisition_stop,
41812aca 437 .context = NULL,
8f4e922f 438};