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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015-2016 Uwe Hermann <uwe@hermann-uwe.de> | |
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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <config.h> | |
21 | #include <string.h> | |
22 | #include "protocol.h" | |
23 | ||
24 | #define SERIALCOMM "115200/8n1" | |
25 | ||
26 | #define CMD_VERSION "version\r\n" | |
27 | #define CMD_MONITOR "monitor 200\r\n" | |
28 | #define CMD_MONITOR_STOP "monitor 0\r\n" | |
29 | ||
30 | static const uint32_t scanopts[] = { | |
31 | SR_CONF_CONN, | |
32 | SR_CONF_SERIALCOMM, | |
33 | }; | |
34 | ||
35 | static const uint32_t drvopts[] = { | |
36 | SR_CONF_ELECTRONIC_LOAD, | |
37 | }; | |
38 | ||
39 | static const uint32_t devopts[] = { | |
40 | SR_CONF_CONTINUOUS, | |
41 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
42 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
43 | }; | |
44 | ||
45 | static const uint32_t devopts_cg[] = { | |
46 | SR_CONF_ENABLED | SR_CONF_SET, | |
47 | SR_CONF_REGULATION | SR_CONF_GET | SR_CONF_LIST, | |
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, | |
55 | SR_CONF_UNDER_VOLTAGE_CONDITION | SR_CONF_GET, | |
56 | SR_CONF_UNDER_VOLTAGE_CONDITION_ACTIVE | SR_CONF_GET, | |
57 | SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
58 | }; | |
59 | ||
60 | static const char *regulation[] = { | |
61 | /* CC mode only. */ | |
62 | "CC", | |
63 | }; | |
64 | ||
65 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
66 | { | |
67 | struct sr_dev_inst *sdi; | |
68 | struct dev_context *devc; | |
69 | struct sr_config *src; | |
70 | struct sr_serial_dev_inst *serial; | |
71 | struct sr_channel_group *cg; | |
72 | struct sr_channel *ch; | |
73 | GSList *l; | |
74 | int ret, len; | |
75 | const char *conn, *serialcomm; | |
76 | char buf[100]; | |
77 | char *bufptr; | |
78 | double version; | |
79 | ||
80 | conn = serialcomm = NULL; | |
81 | for (l = options; l; l = l->next) { | |
82 | src = l->data; | |
83 | switch (src->key) { | |
84 | case SR_CONF_CONN: | |
85 | conn = g_variant_get_string(src->data, NULL); | |
86 | break; | |
87 | case SR_CONF_SERIALCOMM: | |
88 | serialcomm = g_variant_get_string(src->data, NULL); | |
89 | break; | |
90 | } | |
91 | } | |
92 | if (!conn) | |
93 | return NULL; | |
94 | if (!serialcomm) | |
95 | serialcomm = SERIALCOMM; | |
96 | ||
97 | serial = sr_serial_dev_inst_new(conn, serialcomm); | |
98 | ||
99 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
100 | return NULL; | |
101 | ||
102 | /* | |
103 | * First stop potentially running monitoring and wait for 50ms before | |
104 | * next command can be sent. | |
105 | */ | |
106 | if (serial_write_blocking(serial, CMD_MONITOR_STOP, | |
107 | strlen(CMD_MONITOR_STOP), serial_timeout(serial, | |
108 | strlen(CMD_MONITOR_STOP))) < (int)strlen(CMD_MONITOR_STOP)) { | |
109 | sr_dbg("Unable to write while probing for hardware."); | |
110 | serial_close(serial); | |
111 | return NULL; | |
112 | } | |
113 | g_usleep(50 * 1000); | |
114 | ||
115 | if (serial_write_blocking(serial, CMD_VERSION, | |
116 | strlen(CMD_VERSION), serial_timeout(serial, | |
117 | strlen(CMD_VERSION))) < (int)strlen(CMD_VERSION)) { | |
118 | sr_dbg("Unable to write while probing for hardware."); | |
119 | serial_close(serial); | |
120 | return NULL; | |
121 | } | |
122 | ||
123 | memset(buf, 0, sizeof(buf)); | |
124 | bufptr = buf; | |
125 | len = sizeof(buf); | |
126 | ret = serial_readline(serial, &bufptr, &len, 3000); | |
127 | ||
128 | if (ret < 0 || len < 9 || strncmp((const char *)&buf, "version ", 8)) { | |
129 | sr_dbg("Unable to probe version number."); | |
130 | serial_close(serial); | |
131 | return NULL; | |
132 | } | |
133 | ||
134 | version = g_ascii_strtod(buf + 8, NULL); | |
135 | if (version < 1.10) { | |
136 | sr_info("Firmware >= 1.10 required (got %1.2f).", version); | |
137 | serial_close(serial); | |
138 | return NULL; | |
139 | } | |
140 | ||
141 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
142 | sdi->status = SR_ST_INACTIVE; | |
143 | sdi->vendor = g_strdup("Arachnid Labs"); | |
144 | sdi->model = g_strdup("Re:load Pro"); | |
145 | sdi->version = g_strdup(buf + 8); | |
146 | sdi->inst_type = SR_INST_SERIAL; | |
147 | sdi->conn = serial; | |
148 | ||
149 | cg = sr_channel_group_new(sdi, "1", NULL); | |
150 | ||
151 | ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V"); | |
152 | cg->channels = g_slist_append(cg->channels, ch); | |
153 | ||
154 | ch = sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I"); | |
155 | cg->channels = g_slist_append(cg->channels, ch); | |
156 | ||
157 | devc = g_malloc0(sizeof(struct dev_context)); | |
158 | sr_sw_limits_init(&devc->limits); | |
159 | sdi->priv = devc; | |
160 | ||
161 | serial_close(serial); | |
162 | ||
163 | return std_scan_complete(di, g_slist_append(NULL, sdi)); | |
164 | } | |
165 | ||
166 | static int config_list(uint32_t key, GVariant **data, | |
167 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
168 | { | |
169 | if (!cg) { | |
170 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); | |
171 | } else { | |
172 | switch (key) { | |
173 | case SR_CONF_DEVICE_OPTIONS: | |
174 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg)); | |
175 | break; | |
176 | case SR_CONF_REGULATION: | |
177 | *data = std_gvar_array_str(ARRAY_AND_SIZE(regulation)); | |
178 | break; | |
179 | case SR_CONF_CURRENT_LIMIT: | |
180 | *data = std_gvar_min_max_step(0.0, 6.0, 0.001); | |
181 | break; | |
182 | case SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD: | |
183 | *data = std_gvar_min_max_step(0.0, 60.0, 0.001); | |
184 | break; | |
185 | default: | |
186 | return SR_ERR_NA; | |
187 | } | |
188 | } | |
189 | ||
190 | return SR_OK; | |
191 | } | |
192 | ||
193 | static int config_get(uint32_t key, GVariant **data, | |
194 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
195 | { | |
196 | struct dev_context *devc; | |
197 | float fvalue; | |
198 | ||
199 | (void)cg; | |
200 | ||
201 | devc = sdi->priv; | |
202 | ||
203 | /* | |
204 | * These features/keys are not supported by the hardware: | |
205 | * - SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE | |
206 | * - SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD | |
207 | * - SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE | |
208 | * - SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD | |
209 | * - SR_CONF_ENABLED (state cannot be queried, only set) | |
210 | */ | |
211 | ||
212 | switch (key) { | |
213 | case SR_CONF_LIMIT_SAMPLES: | |
214 | case SR_CONF_LIMIT_MSEC: | |
215 | return sr_sw_limits_config_get(&devc->limits, key, data); | |
216 | case SR_CONF_REGULATION: | |
217 | *data = g_variant_new_string("CC"); /* Always CC mode. */ | |
218 | break; | |
219 | case SR_CONF_VOLTAGE: | |
220 | if (reloadpro_get_voltage_current(sdi, &fvalue, NULL) < 0) | |
221 | return SR_ERR; | |
222 | *data = g_variant_new_double(fvalue); | |
223 | break; | |
224 | case SR_CONF_CURRENT: | |
225 | if (reloadpro_get_voltage_current(sdi, NULL, &fvalue) < 0) | |
226 | return SR_ERR; | |
227 | *data = g_variant_new_double(fvalue); | |
228 | break; | |
229 | case SR_CONF_CURRENT_LIMIT: | |
230 | if (reloadpro_get_current_limit(sdi, &fvalue) == SR_OK) | |
231 | *data = g_variant_new_double(fvalue); | |
232 | break; | |
233 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: | |
234 | *data = g_variant_new_boolean(TRUE); /* Always on. */ | |
235 | break; | |
236 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: | |
237 | *data = g_variant_new_boolean(TRUE); /* Always on. */ | |
238 | break; | |
239 | case SR_CONF_OVER_TEMPERATURE_PROTECTION: | |
240 | *data = g_variant_new_boolean(TRUE); /* Always on. */ | |
241 | break; | |
242 | case SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE: | |
243 | *data = g_variant_new_boolean(devc->otp_active); | |
244 | break; | |
245 | case SR_CONF_UNDER_VOLTAGE_CONDITION: | |
246 | if (reloadpro_get_under_voltage_threshold(sdi, &fvalue) == SR_OK) | |
247 | *data = g_variant_new_boolean(fvalue != 0.0); | |
248 | break; | |
249 | case SR_CONF_UNDER_VOLTAGE_CONDITION_ACTIVE: | |
250 | *data = g_variant_new_boolean(devc->uvc_active); | |
251 | break; | |
252 | case SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD: | |
253 | if (reloadpro_get_under_voltage_threshold(sdi, &fvalue) == SR_OK) | |
254 | *data = g_variant_new_double(fvalue); | |
255 | break; | |
256 | default: | |
257 | return SR_ERR_NA; | |
258 | } | |
259 | ||
260 | return SR_OK; | |
261 | } | |
262 | ||
263 | static int config_set(uint32_t key, GVariant *data, | |
264 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
265 | { | |
266 | struct dev_context *devc; | |
267 | ||
268 | (void)cg; | |
269 | ||
270 | devc = sdi->priv; | |
271 | ||
272 | switch (key) { | |
273 | case SR_CONF_LIMIT_SAMPLES: | |
274 | case SR_CONF_LIMIT_MSEC: | |
275 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
276 | case SR_CONF_ENABLED: | |
277 | return reloadpro_set_on_off(sdi, g_variant_get_boolean(data)); | |
278 | case SR_CONF_CURRENT_LIMIT: | |
279 | return reloadpro_set_current_limit(sdi, g_variant_get_double(data)); | |
280 | case SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD: | |
281 | return reloadpro_set_under_voltage_threshold(sdi, | |
282 | g_variant_get_double(data)); | |
283 | default: | |
284 | return SR_ERR_NA; | |
285 | } | |
286 | ||
287 | return SR_OK; | |
288 | } | |
289 | ||
290 | static int dev_close(struct sr_dev_inst *sdi) | |
291 | { | |
292 | if (serial_write_blocking(sdi->conn, CMD_MONITOR_STOP, | |
293 | strlen(CMD_MONITOR_STOP), serial_timeout(sdi->conn, | |
294 | strlen(CMD_MONITOR_STOP))) < (int)strlen(CMD_MONITOR_STOP)) { | |
295 | sr_dbg("Unable to stop monitoring."); | |
296 | } | |
297 | ||
298 | return std_serial_dev_close(sdi); | |
299 | } | |
300 | ||
301 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
302 | { | |
303 | int ret; | |
304 | struct dev_context *devc; | |
305 | struct sr_serial_dev_inst *serial; | |
306 | ||
307 | devc = sdi->priv; | |
308 | devc->acquisition_running = TRUE; | |
309 | ||
310 | serial = sdi->conn; | |
311 | ||
312 | /* Send the 'monitor <ms>' command (doesn't have a reply). */ | |
313 | if ((ret = serial_write_blocking(serial, CMD_MONITOR, | |
314 | strlen(CMD_MONITOR), serial_timeout(serial, | |
315 | strlen(CMD_MONITOR)))) < (int)strlen(CMD_MONITOR)) { | |
316 | sr_err("Unable to send 'monitor' command: %d.", ret); | |
317 | return SR_ERR; | |
318 | } | |
319 | ||
320 | sr_sw_limits_acquisition_start(&devc->limits); | |
321 | std_session_send_df_header(sdi); | |
322 | ||
323 | memset(devc->buf, 0, RELOADPRO_BUFSIZE); | |
324 | devc->buflen = 0; | |
325 | ||
326 | g_mutex_init(&devc->acquisition_mutex); | |
327 | ||
328 | serial_source_add(sdi->session, serial, G_IO_IN, 100, | |
329 | reloadpro_receive_data, (void *)sdi); | |
330 | ||
331 | return SR_OK; | |
332 | } | |
333 | ||
334 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
335 | { | |
336 | struct dev_context *devc; | |
337 | int ret; | |
338 | ||
339 | devc = sdi->priv; | |
340 | devc->acquisition_running = FALSE; | |
341 | ||
342 | ret = std_serial_dev_acquisition_stop(sdi); | |
343 | g_mutex_clear(&devc->acquisition_mutex); | |
344 | ||
345 | return ret; | |
346 | } | |
347 | ||
348 | static struct sr_dev_driver arachnid_labs_re_load_pro_driver_info = { | |
349 | .name = "arachnid-labs-re-load-pro", | |
350 | .longname = "Arachnid Labs Re:load Pro", | |
351 | .api_version = 1, | |
352 | .init = std_init, | |
353 | .cleanup = std_cleanup, | |
354 | .scan = scan, | |
355 | .dev_list = std_dev_list, | |
356 | .dev_clear = std_dev_clear, | |
357 | .config_get = config_get, | |
358 | .config_set = config_set, | |
359 | .config_list = config_list, | |
360 | .dev_open = std_serial_dev_open, | |
361 | .dev_close = dev_close, | |
362 | .dev_acquisition_start = dev_acquisition_start, | |
363 | .dev_acquisition_stop = dev_acquisition_stop, | |
364 | .context = NULL, | |
365 | }; | |
366 | SR_REGISTER_DEV_DRIVER(arachnid_labs_re_load_pro_driver_info); |