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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 | { |
f6beaac5 | 59 | return std_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX); |
7ec5b549 UH |
60 | } |
61 | ||
6078d2c9 | 62 | static GSList *mic_scan(const char *conn, const char *serialcomm, int idx) |
7ec5b549 | 63 | { |
0cd8e231 | 64 | struct sr_dev_inst *sdi; |
7ec5b549 | 65 | struct drv_context *drvc; |
0cd8e231 | 66 | struct dev_context *devc; |
ba7dd8bb | 67 | struct sr_channel *ch; |
0cd8e231 | 68 | struct sr_serial_dev_inst *serial; |
7ec5b549 UH |
69 | GSList *devices; |
70 | ||
0cd8e231 UH |
71 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) |
72 | return NULL; | |
7ec5b549 | 73 | |
0cd8e231 UH |
74 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) |
75 | return NULL; | |
76 | ||
77 | drvc = mic_devs[idx].di->priv; | |
7ec5b549 | 78 | devices = NULL; |
0cd8e231 | 79 | serial_flush(serial); |
7ec5b549 | 80 | |
0cd8e231 UH |
81 | /* TODO: Query device type. */ |
82 | // ret = mic_cmd_get_device_info(serial); | |
83 | ||
84 | sr_info("Found device on port %s.", conn); | |
85 | ||
86 | /* TODO: Fill in version from protocol response. */ | |
87 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, mic_devs[idx].vendor, | |
55f98c65 | 88 | mic_devs[idx].device, NULL))) |
0cd8e231 UH |
89 | goto scan_cleanup; |
90 | ||
91 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
92 | sr_err("Device context malloc failed."); | |
93 | goto scan_cleanup; | |
94 | } | |
95 | ||
886bd5e0 UH |
96 | sdi->inst_type = SR_INST_SERIAL; |
97 | sdi->conn = serial; | |
0cd8e231 UH |
98 | |
99 | sdi->priv = devc; | |
100 | sdi->driver = mic_devs[idx].di; | |
101 | ||
3f239f08 | 102 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "Temperature"))) |
0cd8e231 | 103 | goto scan_cleanup; |
ba7dd8bb | 104 | sdi->channels = g_slist_append(sdi->channels, ch); |
0cd8e231 | 105 | |
6f3e5335 | 106 | if (mic_devs[idx].has_humidity) { |
3f239f08 | 107 | if (!(ch = sr_channel_new(1, SR_CHANNEL_ANALOG, TRUE, "Humidity"))) |
6f3e5335 | 108 | goto scan_cleanup; |
ba7dd8bb | 109 | sdi->channels = g_slist_append(sdi->channels, ch); |
6f3e5335 | 110 | } |
0cd8e231 UH |
111 | |
112 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
113 | devices = g_slist_append(devices, sdi); | |
114 | ||
115 | scan_cleanup: | |
116 | serial_close(serial); | |
7ec5b549 UH |
117 | |
118 | return devices; | |
119 | } | |
120 | ||
6078d2c9 | 121 | static GSList *scan(GSList *options, int idx) |
0cd8e231 UH |
122 | { |
123 | struct sr_config *src; | |
124 | GSList *l, *devices; | |
125 | const char *conn, *serialcomm; | |
126 | ||
127 | conn = serialcomm = NULL; | |
128 | for (l = options; l; l = l->next) { | |
129 | src = l->data; | |
130 | switch (src->key) { | |
131 | case SR_CONF_CONN: | |
2c2be401 | 132 | conn = g_variant_get_string(src->data, NULL); |
0cd8e231 UH |
133 | break; |
134 | case SR_CONF_SERIALCOMM: | |
06c45a66 | 135 | serialcomm = g_variant_get_string(src->data, NULL); |
0cd8e231 UH |
136 | break; |
137 | } | |
138 | } | |
139 | if (!conn) | |
140 | return NULL; | |
141 | ||
142 | if (serialcomm) { | |
143 | /* Use the provided comm specs. */ | |
6078d2c9 | 144 | devices = mic_scan(conn, serialcomm, idx); |
0cd8e231 UH |
145 | } else { |
146 | /* Try the default. */ | |
6078d2c9 | 147 | devices = mic_scan(conn, mic_devs[idx].conn, idx); |
0cd8e231 UH |
148 | } |
149 | ||
150 | return devices; | |
151 | } | |
152 | ||
6078d2c9 | 153 | static GSList *dev_list(int idx) |
7ec5b549 | 154 | { |
0e94d524 | 155 | return ((struct drv_context *)(mic_devs[idx].di->priv))->instances; |
7ec5b549 UH |
156 | } |
157 | ||
6078d2c9 | 158 | static int cleanup(int idx) |
7ec5b549 | 159 | { |
3b412e3a | 160 | return dev_clear(idx); |
7ec5b549 UH |
161 | } |
162 | ||
8f996b89 | 163 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 164 | const struct sr_channel_group *cg) |
7ec5b549 | 165 | { |
0cd8e231 | 166 | struct dev_context *devc; |
7ec5b549 | 167 | |
53b4680f | 168 | (void)cg; |
8f996b89 | 169 | |
0cd8e231 | 170 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 171 | return SR_ERR_DEV_CLOSED; |
7ec5b549 | 172 | |
0cd8e231 UH |
173 | devc = sdi->priv; |
174 | ||
7ec5b549 | 175 | switch (id) { |
0cd8e231 | 176 | case SR_CONF_LIMIT_SAMPLES: |
2c2be401 | 177 | devc->limit_samples = g_variant_get_uint64(data); |
0cd8e231 UH |
178 | sr_dbg("Setting sample limit to %" PRIu64 ".", |
179 | devc->limit_samples); | |
180 | break; | |
181 | case SR_CONF_LIMIT_MSEC: | |
2c2be401 | 182 | devc->limit_msec = g_variant_get_uint64(data); |
0cd8e231 UH |
183 | sr_dbg("Setting time limit to %" PRIu64 "ms.", |
184 | devc->limit_msec); | |
185 | break; | |
7ec5b549 | 186 | default: |
bd6fbf62 | 187 | return SR_ERR_NA; |
7ec5b549 UH |
188 | } |
189 | ||
0cd8e231 | 190 | return SR_OK; |
7ec5b549 UH |
191 | } |
192 | ||
8f996b89 | 193 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 194 | const struct sr_channel_group *cg) |
7ec5b549 UH |
195 | { |
196 | (void)sdi; | |
53b4680f | 197 | (void)cg; |
7ec5b549 UH |
198 | |
199 | switch (key) { | |
0cd8e231 | 200 | case SR_CONF_SCAN_OPTIONS: |
2c2be401 BV |
201 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
202 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
0cd8e231 UH |
203 | break; |
204 | case SR_CONF_DEVICE_OPTIONS: | |
2c2be401 BV |
205 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
206 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
0cd8e231 | 207 | break; |
7ec5b549 | 208 | default: |
bd6fbf62 | 209 | return SR_ERR_NA; |
7ec5b549 UH |
210 | } |
211 | ||
212 | return SR_OK; | |
213 | } | |
214 | ||
6078d2c9 | 215 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, |
0cd8e231 | 216 | void *cb_data, int idx) |
7ec5b549 | 217 | { |
0cd8e231 | 218 | struct dev_context *devc; |
886bd5e0 | 219 | struct sr_serial_dev_inst *serial; |
0cd8e231 | 220 | |
e73ffd42 BV |
221 | if (sdi->status != SR_ST_ACTIVE) |
222 | return SR_ERR_DEV_CLOSED; | |
0cd8e231 | 223 | |
e73ffd42 | 224 | devc = sdi->priv; |
0cd8e231 | 225 | devc->cb_data = cb_data; |
0cd8e231 UH |
226 | devc->num_samples = 0; |
227 | devc->starttime = g_get_monotonic_time(); | |
228 | ||
229 | /* Send header packet to the session bus. */ | |
29a27196 | 230 | std_session_send_df_header(cb_data, LOG_PREFIX); |
0cd8e231 UH |
231 | |
232 | /* Poll every 100ms, or whenever some data comes in. */ | |
886bd5e0 | 233 | serial = sdi->conn; |
102f1239 | 234 | serial_source_add(sdi->session, serial, G_IO_IN, 100, |
0cd8e231 | 235 | mic_devs[idx].receive_data, (void *)sdi); |
7ec5b549 UH |
236 | |
237 | return SR_OK; | |
238 | } | |
239 | ||
6078d2c9 | 240 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
7ec5b549 | 241 | { |
d43b0908 BV |
242 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, |
243 | sdi->conn, LOG_PREFIX); | |
7ec5b549 UH |
244 | } |
245 | ||
0cd8e231 UH |
246 | /* Driver-specific API function wrappers */ |
247 | #define HW_INIT(X) \ | |
6078d2c9 | 248 | static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); } |
0cd8e231 | 249 | #define HW_CLEANUP(X) \ |
6078d2c9 | 250 | static int cleanup_##X(void) { return cleanup(X); } |
0cd8e231 | 251 | #define HW_SCAN(X) \ |
6078d2c9 | 252 | static GSList *scan_##X(GSList *options) { return scan(options, X); } |
0cd8e231 | 253 | #define HW_DEV_LIST(X) \ |
6078d2c9 | 254 | static GSList *dev_list_##X(void) { return dev_list(X); } |
3b412e3a UH |
255 | #define HW_DEV_CLEAR(X) \ |
256 | static int dev_clear_##X(void) { return dev_clear(X); } | |
0cd8e231 | 257 | #define HW_DEV_ACQUISITION_START(X) \ |
6078d2c9 UH |
258 | static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \ |
259 | void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); } | |
0cd8e231 UH |
260 | |
261 | /* Driver structs and API function wrappers */ | |
262 | #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ | |
263 | HW_INIT(ID_UPPER) \ | |
264 | HW_CLEANUP(ID_UPPER) \ | |
265 | HW_SCAN(ID_UPPER) \ | |
266 | HW_DEV_LIST(ID_UPPER) \ | |
3b412e3a | 267 | HW_DEV_CLEAR(ID_UPPER) \ |
0cd8e231 UH |
268 | HW_DEV_ACQUISITION_START(ID_UPPER) \ |
269 | SR_PRIV struct sr_dev_driver ID##_driver_info = { \ | |
270 | .name = NAME, \ | |
271 | .longname = LONGNAME, \ | |
272 | .api_version = 1, \ | |
6078d2c9 UH |
273 | .init = init_##ID_UPPER, \ |
274 | .cleanup = cleanup_##ID_UPPER, \ | |
275 | .scan = scan_##ID_UPPER, \ | |
276 | .dev_list = dev_list_##ID_UPPER, \ | |
3b412e3a | 277 | .dev_clear = dev_clear_##ID_UPPER, \ |
0cd8e231 UH |
278 | .config_get = NULL, \ |
279 | .config_set = config_set, \ | |
280 | .config_list = config_list, \ | |
854434de | 281 | .dev_open = std_serial_dev_open, \ |
bf2c987f | 282 | .dev_close = std_serial_dev_close, \ |
6078d2c9 UH |
283 | .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ |
284 | .dev_acquisition_stop = dev_acquisition_stop, \ | |
0cd8e231 | 285 | .priv = NULL, \ |
7ec5b549 | 286 | }; |
0cd8e231 | 287 | |
6f3e5335 | 288 | DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581") |
0cd8e231 | 289 | DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583") |