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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 | ||
a0e0bb41 | 23 | static const uint32_t scanopts[] = { |
0cd8e231 UH |
24 | SR_CONF_CONN, |
25 | SR_CONF_SERIALCOMM, | |
0cd8e231 UH |
26 | }; |
27 | ||
d6e1e6c4 | 28 | static const uint32_t drvopts[] = { |
0cd8e231 UH |
29 | SR_CONF_THERMOMETER, |
30 | SR_CONF_HYGROMETER, | |
d6e1e6c4 UH |
31 | }; |
32 | ||
33 | static const uint32_t devopts[] = { | |
34 | SR_CONF_CONTINUOUS | SR_CONF_SET, | |
5827f61b BV |
35 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
36 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
0cd8e231 | 37 | }; |
7ec5b549 | 38 | |
6f3e5335 | 39 | SR_PRIV struct sr_dev_driver mic_98581_driver_info; |
0cd8e231 UH |
40 | SR_PRIV struct sr_dev_driver mic_98583_driver_info; |
41 | ||
42 | SR_PRIV const struct mic_dev_info mic_devs[] = { | |
43 | { | |
6f3e5335 UH |
44 | "MIC", "98581", "38400/8n2", 32000, TRUE, FALSE, 6, |
45 | packet_valid_temp, | |
46 | &mic_98581_driver_info, receive_data_MIC_98581, | |
47 | }, | |
48 | { | |
49 | "MIC", "98583", "38400/8n2", 32000, TRUE, TRUE, 10, | |
50 | packet_valid_temp_hum, | |
0cd8e231 UH |
51 | &mic_98583_driver_info, receive_data_MIC_98583, |
52 | }, | |
53 | }; | |
54 | ||
3b412e3a | 55 | static int dev_clear(int idx) |
7ec5b549 | 56 | { |
25e7adad | 57 | return std_dev_clear(mic_devs[idx].di, NULL); |
7ec5b549 UH |
58 | } |
59 | ||
6078d2c9 | 60 | static int init(struct sr_context *sr_ctx, int idx) |
7ec5b549 | 61 | { |
f6beaac5 | 62 | return std_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX); |
7ec5b549 UH |
63 | } |
64 | ||
6078d2c9 | 65 | static GSList *mic_scan(const char *conn, const char *serialcomm, int idx) |
7ec5b549 | 66 | { |
0cd8e231 | 67 | struct sr_dev_inst *sdi; |
7ec5b549 | 68 | struct drv_context *drvc; |
0cd8e231 | 69 | struct dev_context *devc; |
ba7dd8bb | 70 | struct sr_channel *ch; |
0cd8e231 | 71 | struct sr_serial_dev_inst *serial; |
7ec5b549 UH |
72 | GSList *devices; |
73 | ||
0cd8e231 UH |
74 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) |
75 | return NULL; | |
7ec5b549 | 76 | |
51056d61 | 77 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
0cd8e231 UH |
78 | return NULL; |
79 | ||
80 | drvc = mic_devs[idx].di->priv; | |
7ec5b549 | 81 | devices = NULL; |
0cd8e231 | 82 | serial_flush(serial); |
7ec5b549 | 83 | |
0cd8e231 UH |
84 | /* TODO: Query device type. */ |
85 | // ret = mic_cmd_get_device_info(serial); | |
86 | ||
87 | sr_info("Found device on port %s.", conn); | |
88 | ||
89 | /* TODO: Fill in version from protocol response. */ | |
0af636be UH |
90 | sdi = sr_dev_inst_new(); |
91 | sdi->status = SR_ST_INACTIVE; | |
92 | sdi->vendor = g_strdup(mic_devs[idx].vendor); | |
93 | sdi->model = g_strdup(mic_devs[idx].device); | |
0cd8e231 UH |
94 | |
95 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
96 | sr_err("Device context malloc failed."); | |
97 | goto scan_cleanup; | |
98 | } | |
99 | ||
886bd5e0 UH |
100 | sdi->inst_type = SR_INST_SERIAL; |
101 | sdi->conn = serial; | |
0cd8e231 UH |
102 | |
103 | sdi->priv = devc; | |
104 | sdi->driver = mic_devs[idx].di; | |
105 | ||
3f239f08 | 106 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "Temperature"))) |
0cd8e231 | 107 | goto scan_cleanup; |
ba7dd8bb | 108 | sdi->channels = g_slist_append(sdi->channels, ch); |
0cd8e231 | 109 | |
6f3e5335 | 110 | if (mic_devs[idx].has_humidity) { |
3f239f08 | 111 | if (!(ch = sr_channel_new(1, SR_CHANNEL_ANALOG, TRUE, "Humidity"))) |
6f3e5335 | 112 | goto scan_cleanup; |
ba7dd8bb | 113 | sdi->channels = g_slist_append(sdi->channels, ch); |
6f3e5335 | 114 | } |
0cd8e231 UH |
115 | |
116 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
117 | devices = g_slist_append(devices, sdi); | |
118 | ||
119 | scan_cleanup: | |
120 | serial_close(serial); | |
7ec5b549 UH |
121 | |
122 | return devices; | |
123 | } | |
124 | ||
6078d2c9 | 125 | static GSList *scan(GSList *options, int idx) |
0cd8e231 UH |
126 | { |
127 | struct sr_config *src; | |
128 | GSList *l, *devices; | |
129 | const char *conn, *serialcomm; | |
130 | ||
131 | conn = serialcomm = NULL; | |
132 | for (l = options; l; l = l->next) { | |
133 | src = l->data; | |
134 | switch (src->key) { | |
135 | case SR_CONF_CONN: | |
2c2be401 | 136 | conn = g_variant_get_string(src->data, NULL); |
0cd8e231 UH |
137 | break; |
138 | case SR_CONF_SERIALCOMM: | |
06c45a66 | 139 | serialcomm = g_variant_get_string(src->data, NULL); |
0cd8e231 UH |
140 | break; |
141 | } | |
142 | } | |
143 | if (!conn) | |
144 | return NULL; | |
145 | ||
146 | if (serialcomm) { | |
147 | /* Use the provided comm specs. */ | |
6078d2c9 | 148 | devices = mic_scan(conn, serialcomm, idx); |
0cd8e231 UH |
149 | } else { |
150 | /* Try the default. */ | |
6078d2c9 | 151 | devices = mic_scan(conn, mic_devs[idx].conn, idx); |
0cd8e231 UH |
152 | } |
153 | ||
154 | return devices; | |
155 | } | |
156 | ||
6078d2c9 | 157 | static GSList *dev_list(int idx) |
7ec5b549 | 158 | { |
0e94d524 | 159 | return ((struct drv_context *)(mic_devs[idx].di->priv))->instances; |
7ec5b549 UH |
160 | } |
161 | ||
6078d2c9 | 162 | static int cleanup(int idx) |
7ec5b549 | 163 | { |
3b412e3a | 164 | return dev_clear(idx); |
7ec5b549 UH |
165 | } |
166 | ||
584560f1 | 167 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 168 | const struct sr_channel_group *cg) |
7ec5b549 | 169 | { |
0cd8e231 | 170 | struct dev_context *devc; |
7ec5b549 | 171 | |
53b4680f | 172 | (void)cg; |
8f996b89 | 173 | |
0cd8e231 | 174 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 175 | return SR_ERR_DEV_CLOSED; |
7ec5b549 | 176 | |
0cd8e231 UH |
177 | devc = sdi->priv; |
178 | ||
584560f1 | 179 | switch (key) { |
0cd8e231 | 180 | case SR_CONF_LIMIT_SAMPLES: |
2c2be401 | 181 | devc->limit_samples = g_variant_get_uint64(data); |
0cd8e231 UH |
182 | sr_dbg("Setting sample limit to %" PRIu64 ".", |
183 | devc->limit_samples); | |
184 | break; | |
185 | case SR_CONF_LIMIT_MSEC: | |
2c2be401 | 186 | devc->limit_msec = g_variant_get_uint64(data); |
0cd8e231 UH |
187 | sr_dbg("Setting time limit to %" PRIu64 "ms.", |
188 | devc->limit_msec); | |
189 | break; | |
7ec5b549 | 190 | default: |
bd6fbf62 | 191 | return SR_ERR_NA; |
7ec5b549 UH |
192 | } |
193 | ||
0cd8e231 | 194 | return SR_OK; |
7ec5b549 UH |
195 | } |
196 | ||
584560f1 | 197 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 198 | const struct sr_channel_group *cg) |
7ec5b549 | 199 | { |
53b4680f | 200 | (void)cg; |
7ec5b549 UH |
201 | |
202 | switch (key) { | |
0cd8e231 | 203 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 204 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 205 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
0cd8e231 UH |
206 | break; |
207 | case SR_CONF_DEVICE_OPTIONS: | |
d6e1e6c4 UH |
208 | if (!sdi) |
209 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
210 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
211 | else | |
212 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
f254bc4b | 213 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
0cd8e231 | 214 | break; |
7ec5b549 | 215 | default: |
bd6fbf62 | 216 | return SR_ERR_NA; |
7ec5b549 UH |
217 | } |
218 | ||
219 | return SR_OK; | |
220 | } | |
221 | ||
6078d2c9 | 222 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, |
0cd8e231 | 223 | void *cb_data, int idx) |
7ec5b549 | 224 | { |
0cd8e231 | 225 | struct dev_context *devc; |
886bd5e0 | 226 | struct sr_serial_dev_inst *serial; |
0cd8e231 | 227 | |
e73ffd42 BV |
228 | if (sdi->status != SR_ST_ACTIVE) |
229 | return SR_ERR_DEV_CLOSED; | |
0cd8e231 | 230 | |
e73ffd42 | 231 | devc = sdi->priv; |
0cd8e231 | 232 | devc->cb_data = cb_data; |
0cd8e231 UH |
233 | devc->num_samples = 0; |
234 | devc->starttime = g_get_monotonic_time(); | |
235 | ||
236 | /* Send header packet to the session bus. */ | |
29a27196 | 237 | std_session_send_df_header(cb_data, LOG_PREFIX); |
0cd8e231 UH |
238 | |
239 | /* Poll every 100ms, or whenever some data comes in. */ | |
886bd5e0 | 240 | serial = sdi->conn; |
102f1239 | 241 | serial_source_add(sdi->session, serial, G_IO_IN, 100, |
0cd8e231 | 242 | mic_devs[idx].receive_data, (void *)sdi); |
7ec5b549 UH |
243 | |
244 | return SR_OK; | |
245 | } | |
246 | ||
6078d2c9 | 247 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
7ec5b549 | 248 | { |
d43b0908 BV |
249 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, |
250 | sdi->conn, LOG_PREFIX); | |
7ec5b549 UH |
251 | } |
252 | ||
0cd8e231 UH |
253 | /* Driver-specific API function wrappers */ |
254 | #define HW_INIT(X) \ | |
6078d2c9 | 255 | static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); } |
0cd8e231 | 256 | #define HW_CLEANUP(X) \ |
6078d2c9 | 257 | static int cleanup_##X(void) { return cleanup(X); } |
0cd8e231 | 258 | #define HW_SCAN(X) \ |
6078d2c9 | 259 | static GSList *scan_##X(GSList *options) { return scan(options, X); } |
0cd8e231 | 260 | #define HW_DEV_LIST(X) \ |
6078d2c9 | 261 | static GSList *dev_list_##X(void) { return dev_list(X); } |
3b412e3a UH |
262 | #define HW_DEV_CLEAR(X) \ |
263 | static int dev_clear_##X(void) { return dev_clear(X); } | |
0cd8e231 | 264 | #define HW_DEV_ACQUISITION_START(X) \ |
6078d2c9 UH |
265 | static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \ |
266 | void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); } | |
0cd8e231 UH |
267 | |
268 | /* Driver structs and API function wrappers */ | |
269 | #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ | |
270 | HW_INIT(ID_UPPER) \ | |
271 | HW_CLEANUP(ID_UPPER) \ | |
272 | HW_SCAN(ID_UPPER) \ | |
273 | HW_DEV_LIST(ID_UPPER) \ | |
3b412e3a | 274 | HW_DEV_CLEAR(ID_UPPER) \ |
0cd8e231 UH |
275 | HW_DEV_ACQUISITION_START(ID_UPPER) \ |
276 | SR_PRIV struct sr_dev_driver ID##_driver_info = { \ | |
277 | .name = NAME, \ | |
278 | .longname = LONGNAME, \ | |
279 | .api_version = 1, \ | |
6078d2c9 UH |
280 | .init = init_##ID_UPPER, \ |
281 | .cleanup = cleanup_##ID_UPPER, \ | |
282 | .scan = scan_##ID_UPPER, \ | |
283 | .dev_list = dev_list_##ID_UPPER, \ | |
3b412e3a | 284 | .dev_clear = dev_clear_##ID_UPPER, \ |
0cd8e231 UH |
285 | .config_get = NULL, \ |
286 | .config_set = config_set, \ | |
287 | .config_list = config_list, \ | |
854434de | 288 | .dev_open = std_serial_dev_open, \ |
bf2c987f | 289 | .dev_close = std_serial_dev_close, \ |
6078d2c9 UH |
290 | .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ |
291 | .dev_acquisition_stop = dev_acquisition_stop, \ | |
0cd8e231 | 292 | .priv = NULL, \ |
7ec5b549 | 293 | }; |
0cd8e231 | 294 | |
6f3e5335 | 295 | DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581") |
0cd8e231 | 296 | DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583") |