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7ec5b549 UH |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include "protocol.h" | |
22 | ||
2c2be401 | 23 | static const int32_t hwopts[] = { |
0cd8e231 UH |
24 | SR_CONF_CONN, |
25 | SR_CONF_SERIALCOMM, | |
0cd8e231 UH |
26 | }; |
27 | ||
2c2be401 | 28 | static const int32_t hwcaps[] = { |
0cd8e231 UH |
29 | SR_CONF_THERMOMETER, |
30 | SR_CONF_HYGROMETER, | |
31 | SR_CONF_LIMIT_SAMPLES, | |
32 | SR_CONF_LIMIT_MSEC, | |
33 | SR_CONF_CONTINUOUS, | |
0cd8e231 | 34 | }; |
7ec5b549 | 35 | |
6f3e5335 | 36 | SR_PRIV struct sr_dev_driver mic_98581_driver_info; |
0cd8e231 UH |
37 | SR_PRIV struct sr_dev_driver mic_98583_driver_info; |
38 | ||
39 | SR_PRIV const struct mic_dev_info mic_devs[] = { | |
40 | { | |
6f3e5335 UH |
41 | "MIC", "98581", "38400/8n2", 32000, TRUE, FALSE, 6, |
42 | packet_valid_temp, | |
43 | &mic_98581_driver_info, receive_data_MIC_98581, | |
44 | }, | |
45 | { | |
46 | "MIC", "98583", "38400/8n2", 32000, TRUE, TRUE, 10, | |
47 | packet_valid_temp_hum, | |
0cd8e231 UH |
48 | &mic_98583_driver_info, receive_data_MIC_98583, |
49 | }, | |
50 | }; | |
51 | ||
3b412e3a | 52 | static int dev_clear(int idx) |
7ec5b549 | 53 | { |
25e7adad | 54 | return std_dev_clear(mic_devs[idx].di, NULL); |
7ec5b549 UH |
55 | } |
56 | ||
6078d2c9 | 57 | static int init(struct sr_context *sr_ctx, int idx) |
7ec5b549 | 58 | { |
0cd8e231 UH |
59 | sr_dbg("Selected '%s' subdriver.", mic_devs[idx].di->name); |
60 | ||
f6beaac5 | 61 | return std_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX); |
7ec5b549 UH |
62 | } |
63 | ||
6078d2c9 | 64 | static GSList *mic_scan(const char *conn, const char *serialcomm, int idx) |
7ec5b549 | 65 | { |
0cd8e231 | 66 | struct sr_dev_inst *sdi; |
7ec5b549 | 67 | struct drv_context *drvc; |
0cd8e231 UH |
68 | struct dev_context *devc; |
69 | struct sr_probe *probe; | |
70 | struct sr_serial_dev_inst *serial; | |
7ec5b549 UH |
71 | GSList *devices; |
72 | ||
0cd8e231 UH |
73 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) |
74 | return NULL; | |
7ec5b549 | 75 | |
0cd8e231 UH |
76 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) |
77 | return NULL; | |
78 | ||
79 | drvc = mic_devs[idx].di->priv; | |
7ec5b549 | 80 | devices = NULL; |
0cd8e231 | 81 | serial_flush(serial); |
7ec5b549 | 82 | |
0cd8e231 UH |
83 | /* TODO: Query device type. */ |
84 | // ret = mic_cmd_get_device_info(serial); | |
85 | ||
86 | sr_info("Found device on port %s.", conn); | |
87 | ||
88 | /* TODO: Fill in version from protocol response. */ | |
89 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, mic_devs[idx].vendor, | |
90 | mic_devs[idx].device, ""))) | |
91 | goto scan_cleanup; | |
92 | ||
93 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
94 | sr_err("Device context malloc failed."); | |
95 | goto scan_cleanup; | |
96 | } | |
97 | ||
886bd5e0 UH |
98 | sdi->inst_type = SR_INST_SERIAL; |
99 | sdi->conn = serial; | |
0cd8e231 UH |
100 | |
101 | sdi->priv = devc; | |
102 | sdi->driver = mic_devs[idx].di; | |
103 | ||
104 | if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "Temperature"))) | |
105 | goto scan_cleanup; | |
106 | sdi->probes = g_slist_append(sdi->probes, probe); | |
107 | ||
6f3e5335 UH |
108 | if (mic_devs[idx].has_humidity) { |
109 | if (!(probe = sr_probe_new(1, SR_PROBE_ANALOG, TRUE, "Humidity"))) | |
110 | goto scan_cleanup; | |
111 | sdi->probes = g_slist_append(sdi->probes, probe); | |
112 | } | |
0cd8e231 UH |
113 | |
114 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
115 | devices = g_slist_append(devices, sdi); | |
116 | ||
117 | scan_cleanup: | |
118 | serial_close(serial); | |
7ec5b549 UH |
119 | |
120 | return devices; | |
121 | } | |
122 | ||
6078d2c9 | 123 | static GSList *scan(GSList *options, int idx) |
0cd8e231 UH |
124 | { |
125 | struct sr_config *src; | |
126 | GSList *l, *devices; | |
127 | const char *conn, *serialcomm; | |
128 | ||
129 | conn = serialcomm = NULL; | |
130 | for (l = options; l; l = l->next) { | |
131 | src = l->data; | |
132 | switch (src->key) { | |
133 | case SR_CONF_CONN: | |
2c2be401 | 134 | conn = g_variant_get_string(src->data, NULL); |
0cd8e231 UH |
135 | break; |
136 | case SR_CONF_SERIALCOMM: | |
06c45a66 | 137 | serialcomm = g_variant_get_string(src->data, NULL); |
0cd8e231 UH |
138 | break; |
139 | } | |
140 | } | |
141 | if (!conn) | |
142 | return NULL; | |
143 | ||
144 | if (serialcomm) { | |
145 | /* Use the provided comm specs. */ | |
6078d2c9 | 146 | devices = mic_scan(conn, serialcomm, idx); |
0cd8e231 UH |
147 | } else { |
148 | /* Try the default. */ | |
6078d2c9 | 149 | devices = mic_scan(conn, mic_devs[idx].conn, idx); |
0cd8e231 UH |
150 | } |
151 | ||
152 | return devices; | |
153 | } | |
154 | ||
6078d2c9 | 155 | static GSList *dev_list(int idx) |
7ec5b549 | 156 | { |
0e94d524 | 157 | return ((struct drv_context *)(mic_devs[idx].di->priv))->instances; |
7ec5b549 UH |
158 | } |
159 | ||
6078d2c9 | 160 | static int cleanup(int idx) |
7ec5b549 | 161 | { |
3b412e3a | 162 | return dev_clear(idx); |
7ec5b549 UH |
163 | } |
164 | ||
8f996b89 ML |
165 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
166 | const struct sr_probe_group *probe_group) | |
7ec5b549 | 167 | { |
0cd8e231 | 168 | struct dev_context *devc; |
7ec5b549 | 169 | |
8f996b89 ML |
170 | (void)probe_group; |
171 | ||
0cd8e231 | 172 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 173 | return SR_ERR_DEV_CLOSED; |
7ec5b549 | 174 | |
0cd8e231 UH |
175 | devc = sdi->priv; |
176 | ||
7ec5b549 | 177 | switch (id) { |
0cd8e231 | 178 | case SR_CONF_LIMIT_SAMPLES: |
2c2be401 | 179 | devc->limit_samples = g_variant_get_uint64(data); |
0cd8e231 UH |
180 | sr_dbg("Setting sample limit to %" PRIu64 ".", |
181 | devc->limit_samples); | |
182 | break; | |
183 | case SR_CONF_LIMIT_MSEC: | |
2c2be401 | 184 | devc->limit_msec = g_variant_get_uint64(data); |
0cd8e231 UH |
185 | sr_dbg("Setting time limit to %" PRIu64 "ms.", |
186 | devc->limit_msec); | |
187 | break; | |
7ec5b549 | 188 | default: |
bd6fbf62 | 189 | return SR_ERR_NA; |
7ec5b549 UH |
190 | } |
191 | ||
0cd8e231 | 192 | return SR_OK; |
7ec5b549 UH |
193 | } |
194 | ||
8f996b89 ML |
195 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
196 | const struct sr_probe_group *probe_group) | |
7ec5b549 UH |
197 | { |
198 | (void)sdi; | |
8f996b89 | 199 | (void)probe_group; |
7ec5b549 UH |
200 | |
201 | switch (key) { | |
0cd8e231 | 202 | case SR_CONF_SCAN_OPTIONS: |
2c2be401 BV |
203 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
204 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
0cd8e231 UH |
205 | break; |
206 | case SR_CONF_DEVICE_OPTIONS: | |
2c2be401 BV |
207 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
208 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
0cd8e231 | 209 | break; |
7ec5b549 | 210 | default: |
bd6fbf62 | 211 | return SR_ERR_NA; |
7ec5b549 UH |
212 | } |
213 | ||
214 | return SR_OK; | |
215 | } | |
216 | ||
6078d2c9 | 217 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, |
0cd8e231 | 218 | void *cb_data, int idx) |
7ec5b549 | 219 | { |
0cd8e231 | 220 | struct dev_context *devc; |
886bd5e0 | 221 | struct sr_serial_dev_inst *serial; |
0cd8e231 | 222 | |
e73ffd42 BV |
223 | if (sdi->status != SR_ST_ACTIVE) |
224 | return SR_ERR_DEV_CLOSED; | |
0cd8e231 | 225 | |
e73ffd42 | 226 | devc = sdi->priv; |
0cd8e231 | 227 | devc->cb_data = cb_data; |
0cd8e231 UH |
228 | devc->num_samples = 0; |
229 | devc->starttime = g_get_monotonic_time(); | |
230 | ||
231 | /* Send header packet to the session bus. */ | |
29a27196 | 232 | std_session_send_df_header(cb_data, LOG_PREFIX); |
0cd8e231 UH |
233 | |
234 | /* Poll every 100ms, or whenever some data comes in. */ | |
886bd5e0 | 235 | serial = sdi->conn; |
abc4b335 | 236 | serial_source_add(serial, G_IO_IN, 100, |
0cd8e231 | 237 | mic_devs[idx].receive_data, (void *)sdi); |
7ec5b549 UH |
238 | |
239 | return SR_OK; | |
240 | } | |
241 | ||
6078d2c9 | 242 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
7ec5b549 | 243 | { |
d43b0908 BV |
244 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, |
245 | sdi->conn, LOG_PREFIX); | |
7ec5b549 UH |
246 | } |
247 | ||
0cd8e231 UH |
248 | /* Driver-specific API function wrappers */ |
249 | #define HW_INIT(X) \ | |
6078d2c9 | 250 | static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); } |
0cd8e231 | 251 | #define HW_CLEANUP(X) \ |
6078d2c9 | 252 | static int cleanup_##X(void) { return cleanup(X); } |
0cd8e231 | 253 | #define HW_SCAN(X) \ |
6078d2c9 | 254 | static GSList *scan_##X(GSList *options) { return scan(options, X); } |
0cd8e231 | 255 | #define HW_DEV_LIST(X) \ |
6078d2c9 | 256 | static GSList *dev_list_##X(void) { return dev_list(X); } |
3b412e3a UH |
257 | #define HW_DEV_CLEAR(X) \ |
258 | static int dev_clear_##X(void) { return dev_clear(X); } | |
0cd8e231 | 259 | #define HW_DEV_ACQUISITION_START(X) \ |
6078d2c9 UH |
260 | static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \ |
261 | void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); } | |
0cd8e231 UH |
262 | |
263 | /* Driver structs and API function wrappers */ | |
264 | #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ | |
265 | HW_INIT(ID_UPPER) \ | |
266 | HW_CLEANUP(ID_UPPER) \ | |
267 | HW_SCAN(ID_UPPER) \ | |
268 | HW_DEV_LIST(ID_UPPER) \ | |
3b412e3a | 269 | HW_DEV_CLEAR(ID_UPPER) \ |
0cd8e231 UH |
270 | HW_DEV_ACQUISITION_START(ID_UPPER) \ |
271 | SR_PRIV struct sr_dev_driver ID##_driver_info = { \ | |
272 | .name = NAME, \ | |
273 | .longname = LONGNAME, \ | |
274 | .api_version = 1, \ | |
6078d2c9 UH |
275 | .init = init_##ID_UPPER, \ |
276 | .cleanup = cleanup_##ID_UPPER, \ | |
277 | .scan = scan_##ID_UPPER, \ | |
278 | .dev_list = dev_list_##ID_UPPER, \ | |
3b412e3a | 279 | .dev_clear = dev_clear_##ID_UPPER, \ |
0cd8e231 UH |
280 | .config_get = NULL, \ |
281 | .config_set = config_set, \ | |
282 | .config_list = config_list, \ | |
854434de | 283 | .dev_open = std_serial_dev_open, \ |
bf2c987f | 284 | .dev_close = std_serial_dev_close, \ |
6078d2c9 UH |
285 | .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ |
286 | .dev_acquisition_stop = dev_acquisition_stop, \ | |
0cd8e231 | 287 | .priv = NULL, \ |
7ec5b549 | 288 | }; |
0cd8e231 | 289 | |
6f3e5335 | 290 | DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581") |
0cd8e231 | 291 | DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583") |