]> sigrok.org Git - libsigrok.git/blame - src/hardware/arachnid-labs-re-load-pro/api.c
Remove unnecessary dev_clear() callbacks
[libsigrok.git] / src / hardware / arachnid-labs-re-load-pro / api.c
CommitLineData
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1/*
2 * This file is part of the libsigrok project.
3 *
803db07a 4 * Copyright (C) 2015-2016 Uwe Hermann <uwe@hermann-uwe.de>
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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 2 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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include <config.h>
803db07a 22#include <string.h>
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23#include "protocol.h"
24
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25#define SERIALCOMM "115200/8n1"
26
27#define CMD_VERSION "version\r\n"
28#define CMD_MONITOR "monitor 200\r\n"
29
30static const uint32_t scanopts[] = {
31 SR_CONF_CONN,
32 SR_CONF_SERIALCOMM,
33};
34
35static const uint32_t drvopts[] = {
36 SR_CONF_ELECTRONIC_LOAD,
37};
38
39static const uint32_t devopts[] = {
40 SR_CONF_CONTINUOUS | SR_CONF_SET,
41 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
42 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
43};
44
45static const uint32_t devopts_cg[] = {
8501448c 46 SR_CONF_ENABLED | SR_CONF_SET,
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47 SR_CONF_REGULATION | SR_CONF_GET,
48 SR_CONF_VOLTAGE | SR_CONF_GET,
49 SR_CONF_CURRENT | SR_CONF_GET,
50 SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
51 SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED | SR_CONF_GET,
52 SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_GET,
53 SR_CONF_OVER_TEMPERATURE_PROTECTION | SR_CONF_GET,
54 SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE | SR_CONF_GET,
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55 SR_CONF_UNDER_VOLTAGE_CONDITION | SR_CONF_GET,
56 SR_CONF_UNDER_VOLTAGE_CONDITION_ACTIVE | SR_CONF_GET,
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57};
58
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59SR_PRIV struct sr_dev_driver arachnid_labs_re_load_pro_driver_info;
60
61static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
62{
63 return std_init(sr_ctx, di, LOG_PREFIX);
64}
65
66static GSList *scan(struct sr_dev_driver *di, GSList *options)
67{
803db07a 68 struct sr_dev_inst *sdi;
6e8d31d4 69 struct drv_context *drvc;
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70 struct dev_context *devc;
71 struct sr_config *src;
72 struct sr_serial_dev_inst *serial;
73 struct sr_channel_group *cg;
74 struct sr_channel *ch;
75 GSList *l, *devices;
76 int ret, len;
77 const char *conn, *serialcomm;
78 char buf[100];
79 char *bufptr;
8084e0fa 80 double version;
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81
82 devices = NULL;
83 drvc = di->context;
84 drvc->instances = NULL;
85
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86 conn = serialcomm = NULL;
87 for (l = options; l; l = l->next) {
88 src = l->data;
89 switch (src->key) {
90 case SR_CONF_CONN:
91 conn = g_variant_get_string(src->data, NULL);
92 break;
93 case SR_CONF_SERIALCOMM:
94 serialcomm = g_variant_get_string(src->data, NULL);
95 break;
96 }
97 }
98 if (!conn)
99 return NULL;
100 if (!serialcomm)
101 serialcomm = SERIALCOMM;
102
103 serial = sr_serial_dev_inst_new(conn, serialcomm);
104
105 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
106 return NULL;
107
108 serial_flush(serial);
109
110 if (serial_write_blocking(serial, CMD_VERSION,
111 strlen(CMD_VERSION), serial_timeout(serial,
112 strlen(CMD_VERSION))) < (int)strlen(CMD_VERSION)) {
113 sr_dbg("Unable to write while probing for hardware.");
114 serial_close(serial);
115 return NULL;
116 }
117
118 memset(buf, 0, sizeof(buf));
119 bufptr = buf;
120 len = sizeof(buf);
121 ret = serial_readline(serial, &bufptr, &len, 3000);
122
123 if (ret < 0 || len < 9 || strncmp((const char *)&buf, "version ", 8)) {
124 sr_dbg("Unable to probe version number.");
125 serial_close(serial);
126 return NULL;
127 }
128
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129 version = g_ascii_strtod(buf + 8, NULL);
130 if (version < 1.10) {
131 sr_info("Firmware >= 1.10 required (got %1.2f).", version);
132 serial_close(serial);
133 return NULL;
134 }
135
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136 sdi = g_malloc0(sizeof(struct sr_dev_inst));
137 sdi->status = SR_ST_ACTIVE;
138 sdi->vendor = g_strdup("Arachnid Labs");
139 sdi->model = g_strdup("Re:load Pro");
140 sdi->version = g_strdup(buf + 8);
141 sdi->driver = &arachnid_labs_re_load_pro_driver_info;
142 sdi->inst_type = SR_INST_SERIAL;
143 sdi->conn = serial;
144
145 cg = g_malloc0(sizeof(struct sr_channel_group));
146 cg->name = g_strdup("1");
147 sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
148
149 ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
150 cg->channels = g_slist_append(cg->channels, ch);
151
152 ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "I");
153 cg->channels = g_slist_append(cg->channels, ch);
154
155 devc = g_malloc0(sizeof(struct dev_context));
156 sdi->priv = devc;
157 drvc->instances = g_slist_append(drvc->instances, sdi);
158 devices = g_slist_append(devices, sdi);
159
160 serial_close(serial);
161 if (!devices)
162 sr_serial_dev_inst_free(serial);
163
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164 return devices;
165}
166
167static GSList *dev_list(const struct sr_dev_driver *di)
168{
169 return ((struct drv_context *)(di->context))->instances;
170}
171
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172static int config_list(uint32_t key, GVariant **data,
173 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
6e8d31d4 174{
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175 GVariantBuilder gvb;
176 int ret;
6e8d31d4 177
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178 /* Always available. */
179 if (key == SR_CONF_SCAN_OPTIONS) {
180 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
181 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
182 return SR_OK;
183 }
6e8d31d4 184
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185 if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
186 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
187 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
188 return SR_OK;
189 }
6e8d31d4 190
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191 if (!sdi)
192 return SR_ERR_ARG;
193
194 ret = SR_OK;
195
196 if (!cg) {
197 /* No channel group: global options. */
198 switch (key) {
199 case SR_CONF_DEVICE_OPTIONS:
200 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
201 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
202 break;
203 default:
204 return SR_ERR_NA;
205 }
206 } else {
207 switch (key) {
208 case SR_CONF_DEVICE_OPTIONS:
209 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
210 devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t));
211 break;
212 case SR_CONF_CURRENT_LIMIT:
213 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
214 /* Min, max, step. */
215 g_variant_builder_add_value(&gvb, g_variant_new_double(0.0));
216 g_variant_builder_add_value(&gvb, g_variant_new_double(6.0));
217 g_variant_builder_add_value(&gvb, g_variant_new_double(0.001)); /* 1mA steps */
218 *data = g_variant_builder_end(&gvb);
219 break;
220 default:
221 return SR_ERR_NA;
222 }
223 }
224
225 return ret;
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226}
227
228static int config_get(uint32_t key, GVariant **data,
229 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
230{
803db07a 231 struct dev_context *devc;
6e8d31d4 232 int ret;
803db07a 233 float fvalue;
6e8d31d4 234
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235 (void)cg;
236
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237 devc = sdi->priv;
238
239 /*
240 * These features/keys are not supported by the hardware:
241 * - SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE
242 * - SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD
243 * - SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE
244 * - SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD
8501448c 245 * - SR_CONF_ENABLED (state cannot be queried, only set)
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246 */
247
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248 ret = SR_OK;
249 switch (key) {
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250 case SR_CONF_LIMIT_SAMPLES:
251 *data = g_variant_new_uint64(devc->limit_samples);
252 break;
253 case SR_CONF_LIMIT_MSEC:
254 *data = g_variant_new_uint64(devc->limit_msec);
255 break;
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256 case SR_CONF_REGULATION:
257 *data = g_variant_new_string("CC"); /* Always CC mode. */
258 break;
259 case SR_CONF_VOLTAGE:
260 if (reloadpro_get_voltage_current(sdi, &fvalue, NULL) < 0)
261 return SR_ERR;
262 *data = g_variant_new_double(fvalue);
263 break;
264 case SR_CONF_CURRENT:
265 if (reloadpro_get_voltage_current(sdi, NULL, &fvalue) < 0)
266 return SR_ERR;
267 *data = g_variant_new_double(fvalue);
268 break;
269 case SR_CONF_CURRENT_LIMIT:
270 if (reloadpro_get_current_limit(sdi, &fvalue) == SR_OK)
271 *data = g_variant_new_double(fvalue);
272 break;
273 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
274 *data = g_variant_new_boolean(TRUE); /* Always on. */
275 break;
276 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
277 *data = g_variant_new_boolean(TRUE); /* Always on. */
278 break;
279 case SR_CONF_OVER_TEMPERATURE_PROTECTION:
280 *data = g_variant_new_boolean(TRUE); /* Always on. */
281 break;
282 case SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE:
283 *data = g_variant_new_boolean(devc->otp_active);
284 break;
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285 case SR_CONF_UNDER_VOLTAGE_CONDITION:
286 *data = g_variant_new_boolean(TRUE); /* Always on. */
287 break;
288 case SR_CONF_UNDER_VOLTAGE_CONDITION_ACTIVE:
289 *data = g_variant_new_boolean(devc->uvc_active);
290 break;
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291 default:
292 return SR_ERR_NA;
293 }
294
295 return ret;
296}
297
298static int config_set(uint32_t key, GVariant *data,
299 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
300{
803db07a 301 struct dev_context *devc;
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302 int ret;
303
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304 (void)cg;
305
306 if (sdi->status != SR_ST_ACTIVE)
307 return SR_ERR_DEV_CLOSED;
308
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309 devc = sdi->priv;
310
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311 ret = SR_OK;
312 switch (key) {
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313 case SR_CONF_LIMIT_SAMPLES:
314 devc->limit_samples = g_variant_get_uint64(data);
315 break;
316 case SR_CONF_LIMIT_MSEC:
317 devc->limit_msec = g_variant_get_uint64(data);
318 break;
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319 case SR_CONF_ENABLED:
320 ret = reloadpro_set_on_off(sdi, g_variant_get_boolean(data));
321 break;
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322 case SR_CONF_CURRENT_LIMIT:
323 ret = reloadpro_set_current_limit(sdi,
324 g_variant_get_double(data));
325 break;
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326 default:
327 ret = SR_ERR_NA;
328 }
329
330 return ret;
331}
332
695dc859 333static int dev_acquisition_start(const struct sr_dev_inst *sdi)
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334{
335 int ret;
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336 struct dev_context *devc;
337 struct sr_serial_dev_inst *serial;
6e8d31d4 338
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339 if (sdi->status != SR_ST_ACTIVE)
340 return SR_ERR_DEV_CLOSED;
341
342 devc = sdi->priv;
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343 serial = sdi->conn;
344
345 /* Send the 'monitor <ms>' command (doesn't have a reply). */
346 if ((ret = serial_write_blocking(serial, CMD_MONITOR,
347 strlen(CMD_MONITOR), serial_timeout(serial,
348 strlen(CMD_MONITOR)))) < (int)strlen(CMD_MONITOR)) {
349 sr_err("Unable to send 'monitor' command: %d.", ret);
350 return SR_ERR;
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351 }
352
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353 /* Poll every 100ms, or whenever some data comes in. */
354 serial_source_add(sdi->session, serial, G_IO_IN, 100,
355 reloadpro_receive_data, (void *)sdi);
6e8d31d4 356
695dc859 357 std_session_send_df_header(sdi, LOG_PREFIX);
6e8d31d4 358
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359 memset(devc->buf, 0, RELOADPRO_BUFSIZE);
360 devc->buflen = 0;
361 devc->num_samples = 0;
362 devc->starttime = g_get_monotonic_time();
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363
364 return SR_OK;
365}
366
695dc859 367static int dev_acquisition_stop(struct sr_dev_inst *sdi)
6e8d31d4 368{
6525d819 369 return std_serial_dev_acquisition_stop(sdi,
803db07a 370 std_serial_dev_close, sdi->conn, LOG_PREFIX);
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371}
372
373SR_PRIV struct sr_dev_driver arachnid_labs_re_load_pro_driver_info = {
374 .name = "arachnid-labs-re-load-pro",
375 .longname = "Arachnid Labs Re:load Pro",
376 .api_version = 1,
377 .init = init,
700d6b64 378 .cleanup = std_cleanup,
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379 .scan = scan,
380 .dev_list = dev_list,
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381 .config_get = config_get,
382 .config_set = config_set,
383 .config_list = config_list,
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384 .dev_open = std_serial_dev_open,
385 .dev_close = std_serial_dev_close,
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386 .dev_acquisition_start = dev_acquisition_start,
387 .dev_acquisition_stop = dev_acquisition_stop,
388 .context = NULL,
389};