]> sigrok.org Git - libsigrok.git/blame - src/hardware/mic-985xx/api.c
mic-985xx: Drop unneeded #define.
[libsigrok.git] / src / hardware / mic-985xx / api.c
CommitLineData
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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 23static const uint32_t scanopts[] = {
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24 SR_CONF_CONN,
25 SR_CONF_SERIALCOMM,
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26};
27
d6e1e6c4 28static const uint32_t drvopts[] = {
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29 SR_CONF_THERMOMETER,
30 SR_CONF_HYGROMETER,
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31};
32
33static const uint32_t devopts[] = {
34 SR_CONF_CONTINUOUS | SR_CONF_SET,
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35 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
36 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
0cd8e231 37};
7ec5b549 38
6f3e5335 39SR_PRIV struct sr_dev_driver mic_98581_driver_info;
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40SR_PRIV struct sr_dev_driver mic_98583_driver_info;
41
42SR_PRIV const struct mic_dev_info mic_devs[] = {
43 {
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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,
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51 &mic_98583_driver_info, receive_data_MIC_98583,
52 },
53};
54
3b412e3a 55static int dev_clear(int idx)
7ec5b549 56{
25e7adad 57 return std_dev_clear(mic_devs[idx].di, NULL);
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58}
59
6078d2c9 60static int init(struct sr_context *sr_ctx, int idx)
7ec5b549 61{
f6beaac5 62 return std_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX);
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63}
64
6078d2c9 65static 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;
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72 GSList *devices;
73
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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)
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78 return NULL;
79
80 drvc = mic_devs[idx].di->priv;
7ec5b549 81 devices = NULL;
0cd8e231 82 serial_flush(serial);
7ec5b549 83
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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. */
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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);
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94
95 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
96 sr_err("Device context malloc failed.");
97 goto scan_cleanup;
98 }
99
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100 sdi->inst_type = SR_INST_SERIAL;
101 sdi->conn = serial;
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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 }
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115
116 drvc->instances = g_slist_append(drvc->instances, sdi);
117 devices = g_slist_append(devices, sdi);
118
119scan_cleanup:
120 serial_close(serial);
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121
122 return devices;
123}
124
6078d2c9 125static GSList *scan(GSList *options, int idx)
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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);
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137 break;
138 case SR_CONF_SERIALCOMM:
06c45a66 139 serialcomm = g_variant_get_string(src->data, NULL);
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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);
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149 } else {
150 /* Try the default. */
6078d2c9 151 devices = mic_scan(conn, mic_devs[idx].conn, idx);
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152 }
153
154 return devices;
155}
156
6078d2c9 157static GSList *dev_list(int idx)
7ec5b549 158{
0e94d524 159 return ((struct drv_context *)(mic_devs[idx].di->priv))->instances;
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160}
161
6078d2c9 162static int cleanup(int idx)
7ec5b549 163{
3b412e3a 164 return dev_clear(idx);
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165}
166
584560f1 167static 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
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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);
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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);
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187 sr_dbg("Setting time limit to %" PRIu64 "ms.",
188 devc->limit_msec);
189 break;
7ec5b549 190 default:
bd6fbf62 191 return SR_ERR_NA;
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192 }
193
0cd8e231 194 return SR_OK;
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195}
196
584560f1 197static 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;
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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));
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206 break;
207 case SR_CONF_DEVICE_OPTIONS:
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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;
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217 }
218
219 return SR_OK;
220}
221
6078d2c9 222static 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
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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;
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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);
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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);
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243
244 return SR_OK;
245}
246
6078d2c9 247static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
7ec5b549 248{
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249 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
250 sdi->conn, LOG_PREFIX);
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251}
252
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253/* Driver-specific API function wrappers */
254#define HW_INIT(X) \
6078d2c9 255static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
0cd8e231 256#define HW_CLEANUP(X) \
6078d2c9 257static int cleanup_##X(void) { return cleanup(X); }
0cd8e231 258#define HW_SCAN(X) \
6078d2c9 259static GSList *scan_##X(GSList *options) { return scan(options, X); }
0cd8e231 260#define HW_DEV_LIST(X) \
6078d2c9 261static GSList *dev_list_##X(void) { return dev_list(X); }
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262#define HW_DEV_CLEAR(X) \
263static int dev_clear_##X(void) { return dev_clear(X); }
0cd8e231 264#define HW_DEV_ACQUISITION_START(X) \
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265static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
266void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
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267
268/* Driver structs and API function wrappers */
269#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
270HW_INIT(ID_UPPER) \
271HW_CLEANUP(ID_UPPER) \
272HW_SCAN(ID_UPPER) \
273HW_DEV_LIST(ID_UPPER) \
3b412e3a 274HW_DEV_CLEAR(ID_UPPER) \
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275HW_DEV_ACQUISITION_START(ID_UPPER) \
276SR_PRIV struct sr_dev_driver ID##_driver_info = { \
277 .name = NAME, \
278 .longname = LONGNAME, \
279 .api_version = 1, \
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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, \
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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, \
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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 295DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581")
0cd8e231 296DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")