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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
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 3 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 <glib.h> | |
21 | #include "libsigrok.h" | |
22 | #include "libsigrok-internal.h" | |
23 | #include "protocol.h" | |
24 | #include <sys/types.h> | |
25 | #include <sys/stat.h> | |
26 | #include <fcntl.h> | |
27 | #include <errno.h> | |
28 | #include <string.h> | |
29 | ||
30 | /* The Colead SL-5868P uses this. */ | |
31 | #define SERIALCOMM "2400/8n1" | |
32 | ||
33 | static const uint32_t scanopts[] = { | |
34 | SR_CONF_CONN, | |
35 | SR_CONF_SERIALCOMM, | |
36 | }; | |
37 | ||
38 | static const uint32_t devopts[] = { | |
39 | SR_CONF_SOUNDLEVELMETER, | |
40 | SR_CONF_CONTINUOUS, | |
41 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, | |
42 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
43 | }; | |
44 | ||
45 | SR_PRIV struct sr_dev_driver colead_slm_driver_info; | |
46 | static struct sr_dev_driver *di = &colead_slm_driver_info; | |
47 | ||
48 | static int init(struct sr_context *sr_ctx) | |
49 | { | |
50 | return std_init(sr_ctx, di, LOG_PREFIX); | |
51 | } | |
52 | ||
53 | static GSList *scan(GSList *options) | |
54 | { | |
55 | struct drv_context *drvc; | |
56 | struct dev_context *devc; | |
57 | struct sr_dev_inst *sdi; | |
58 | struct sr_config *src; | |
59 | struct sr_channel *ch; | |
60 | GSList *devices, *l; | |
61 | const char *conn, *serialcomm; | |
62 | ||
63 | drvc = di->priv; | |
64 | drvc->instances = NULL; | |
65 | ||
66 | devices = NULL; | |
67 | ||
68 | conn = serialcomm = NULL; | |
69 | for (l = options; l; l = l->next) { | |
70 | src = l->data; | |
71 | switch (src->key) { | |
72 | case SR_CONF_CONN: | |
73 | conn = g_variant_get_string(src->data, NULL); | |
74 | break; | |
75 | case SR_CONF_SERIALCOMM: | |
76 | serialcomm = g_variant_get_string(src->data, NULL); | |
77 | break; | |
78 | } | |
79 | } | |
80 | if (!conn) | |
81 | return NULL; | |
82 | if (!serialcomm) | |
83 | serialcomm = SERIALCOMM; | |
84 | ||
85 | sdi = sr_dev_inst_new(); | |
86 | sdi->status = SR_ST_INACTIVE; | |
87 | sdi->vendor = g_strdup("Colead"); | |
88 | sdi->model = g_strdup("SL-5868P"); | |
89 | ||
90 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
91 | sr_dbg("Device context malloc failed."); | |
92 | return NULL; | |
93 | } | |
94 | ||
95 | if (!(sdi->conn = sr_serial_dev_inst_new(conn, serialcomm))) | |
96 | return NULL; | |
97 | ||
98 | sdi->inst_type = SR_INST_SERIAL; | |
99 | sdi->priv = devc; | |
100 | sdi->driver = di; | |
101 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1"))) | |
102 | return NULL; | |
103 | sdi->channels = g_slist_append(sdi->channels, ch); | |
104 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
105 | devices = g_slist_append(devices, sdi); | |
106 | ||
107 | return devices; | |
108 | } | |
109 | ||
110 | static GSList *dev_list(void) | |
111 | { | |
112 | return ((struct drv_context *)(di->priv))->instances; | |
113 | } | |
114 | ||
115 | static int dev_open(struct sr_dev_inst *sdi) | |
116 | { | |
117 | struct sr_serial_dev_inst *serial; | |
118 | ||
119 | serial = sdi->conn; | |
120 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
121 | return SR_ERR; | |
122 | ||
123 | sdi->status = SR_ST_ACTIVE; | |
124 | ||
125 | return SR_OK; | |
126 | } | |
127 | ||
128 | static int cleanup(void) | |
129 | { | |
130 | return std_dev_clear(di, NULL); | |
131 | } | |
132 | ||
133 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
134 | const struct sr_channel_group *cg) | |
135 | { | |
136 | struct dev_context *devc; | |
137 | ||
138 | (void)cg; | |
139 | ||
140 | if (sdi->status != SR_ST_ACTIVE) | |
141 | return SR_ERR_DEV_CLOSED; | |
142 | ||
143 | if (!(devc = sdi->priv)) { | |
144 | sr_err("sdi->priv was NULL."); | |
145 | return SR_ERR_BUG; | |
146 | } | |
147 | ||
148 | switch (key) { | |
149 | case SR_CONF_LIMIT_MSEC: | |
150 | /* TODO: not yet implemented */ | |
151 | if (g_variant_get_uint64(data) == 0) { | |
152 | sr_err("LIMIT_MSEC can't be 0."); | |
153 | return SR_ERR; | |
154 | } | |
155 | devc->limit_msec = g_variant_get_uint64(data);; | |
156 | sr_dbg("Setting time limit to %" PRIu64 "ms.", | |
157 | devc->limit_msec); | |
158 | break; | |
159 | case SR_CONF_LIMIT_SAMPLES: | |
160 | devc->limit_samples = g_variant_get_uint64(data); | |
161 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
162 | devc->limit_samples); | |
163 | break; | |
164 | default: | |
165 | return SR_ERR_NA; | |
166 | } | |
167 | ||
168 | return SR_OK; | |
169 | } | |
170 | ||
171 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
172 | const struct sr_channel_group *cg) | |
173 | { | |
174 | (void)sdi; | |
175 | (void)cg; | |
176 | ||
177 | switch (key) { | |
178 | case SR_CONF_SCAN_OPTIONS: | |
179 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
180 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
181 | break; | |
182 | case SR_CONF_DEVICE_OPTIONS: | |
183 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
184 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
185 | break; | |
186 | default: | |
187 | return SR_ERR_NA; | |
188 | } | |
189 | ||
190 | return SR_OK; | |
191 | } | |
192 | ||
193 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
194 | { | |
195 | struct dev_context *devc; | |
196 | struct sr_serial_dev_inst *serial; | |
197 | ||
198 | if (sdi->status != SR_ST_ACTIVE) | |
199 | return SR_ERR_DEV_CLOSED; | |
200 | ||
201 | if (!(devc = sdi->priv)) { | |
202 | sr_err("sdi->priv was NULL."); | |
203 | return SR_ERR_BUG; | |
204 | } | |
205 | ||
206 | devc->cb_data = cb_data; | |
207 | ||
208 | /* Send header packet to the session bus. */ | |
209 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
210 | ||
211 | /* Poll every 150ms, or whenever some data comes in. */ | |
212 | serial = sdi->conn; | |
213 | serial_source_add(sdi->session, serial, G_IO_IN, 150, | |
214 | colead_slm_receive_data, (void *)sdi); | |
215 | ||
216 | return SR_OK; | |
217 | } | |
218 | ||
219 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
220 | { | |
221 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, | |
222 | sdi->conn, LOG_PREFIX); | |
223 | } | |
224 | ||
225 | SR_PRIV struct sr_dev_driver colead_slm_driver_info = { | |
226 | .name = "colead-slm", | |
227 | .longname = "Colead SLM", | |
228 | .api_version = 1, | |
229 | .init = init, | |
230 | .cleanup = cleanup, | |
231 | .scan = scan, | |
232 | .dev_list = dev_list, | |
233 | .dev_clear = NULL, | |
234 | .config_get = NULL, | |
235 | .config_set = config_set, | |
236 | .config_list = config_list, | |
237 | .dev_open = dev_open, | |
238 | .dev_close = std_serial_dev_close, | |
239 | .dev_acquisition_start = dev_acquisition_start, | |
240 | .dev_acquisition_stop = dev_acquisition_stop, | |
241 | .priv = NULL, | |
242 | }; |