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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 <sys/types.h> | |
22 | #include <sys/stat.h> | |
23 | #include <fcntl.h> | |
24 | #include <string.h> | |
25 | #include <libsigrok/libsigrok.h> | |
26 | #include "libsigrok-internal.h" | |
27 | #include "protocol.h" | |
28 | ||
29 | /* The Colead SL-5868P uses this. */ | |
30 | #define SERIALCOMM "2400/8n1" | |
31 | ||
32 | static const uint32_t scanopts[] = { | |
33 | SR_CONF_CONN, | |
34 | SR_CONF_SERIALCOMM, | |
35 | }; | |
36 | ||
37 | static const uint32_t devopts[] = { | |
38 | SR_CONF_SOUNDLEVELMETER, | |
39 | SR_CONF_CONTINUOUS, | |
40 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, | |
41 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
42 | }; | |
43 | ||
44 | SR_PRIV struct sr_dev_driver colead_slm_driver_info; | |
45 | ||
46 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) | |
47 | { | |
48 | return std_init(sr_ctx, di, LOG_PREFIX); | |
49 | } | |
50 | ||
51 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
52 | { | |
53 | struct drv_context *drvc; | |
54 | struct dev_context *devc; | |
55 | struct sr_dev_inst *sdi; | |
56 | struct sr_config *src; | |
57 | GSList *devices, *l; | |
58 | const char *conn, *serialcomm; | |
59 | ||
60 | drvc = di->context; | |
61 | drvc->instances = NULL; | |
62 | ||
63 | devices = NULL; | |
64 | ||
65 | conn = serialcomm = NULL; | |
66 | for (l = options; l; l = l->next) { | |
67 | src = l->data; | |
68 | switch (src->key) { | |
69 | case SR_CONF_CONN: | |
70 | conn = g_variant_get_string(src->data, NULL); | |
71 | break; | |
72 | case SR_CONF_SERIALCOMM: | |
73 | serialcomm = g_variant_get_string(src->data, NULL); | |
74 | break; | |
75 | } | |
76 | } | |
77 | if (!conn) | |
78 | return NULL; | |
79 | if (!serialcomm) | |
80 | serialcomm = SERIALCOMM; | |
81 | ||
82 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
83 | sdi->status = SR_ST_INACTIVE; | |
84 | sdi->vendor = g_strdup("Colead"); | |
85 | sdi->model = g_strdup("SL-5868P"); | |
86 | devc = g_malloc0(sizeof(struct dev_context)); | |
87 | sdi->conn = sr_serial_dev_inst_new(conn, serialcomm); | |
88 | sdi->inst_type = SR_INST_SERIAL; | |
89 | sdi->priv = devc; | |
90 | sdi->driver = di; | |
91 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); | |
92 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
93 | devices = g_slist_append(devices, sdi); | |
94 | ||
95 | return devices; | |
96 | } | |
97 | ||
98 | static GSList *dev_list(const struct sr_dev_driver *di) | |
99 | { | |
100 | return ((struct drv_context *)(di->context))->instances; | |
101 | } | |
102 | ||
103 | static int dev_open(struct sr_dev_inst *sdi) | |
104 | { | |
105 | struct sr_serial_dev_inst *serial; | |
106 | ||
107 | serial = sdi->conn; | |
108 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
109 | return SR_ERR; | |
110 | ||
111 | sdi->status = SR_ST_ACTIVE; | |
112 | ||
113 | return SR_OK; | |
114 | } | |
115 | ||
116 | static int cleanup(const struct sr_dev_driver *di) | |
117 | { | |
118 | return std_dev_clear(di, NULL); | |
119 | } | |
120 | ||
121 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
122 | const struct sr_channel_group *cg) | |
123 | { | |
124 | struct dev_context *devc; | |
125 | ||
126 | (void)cg; | |
127 | ||
128 | if (sdi->status != SR_ST_ACTIVE) | |
129 | return SR_ERR_DEV_CLOSED; | |
130 | ||
131 | if (!(devc = sdi->priv)) { | |
132 | sr_err("sdi->priv was NULL."); | |
133 | return SR_ERR_BUG; | |
134 | } | |
135 | ||
136 | switch (key) { | |
137 | case SR_CONF_LIMIT_MSEC: | |
138 | /* TODO: not yet implemented */ | |
139 | devc->limit_msec = g_variant_get_uint64(data);; | |
140 | break; | |
141 | case SR_CONF_LIMIT_SAMPLES: | |
142 | devc->limit_samples = g_variant_get_uint64(data); | |
143 | break; | |
144 | default: | |
145 | return SR_ERR_NA; | |
146 | } | |
147 | ||
148 | return SR_OK; | |
149 | } | |
150 | ||
151 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
152 | const struct sr_channel_group *cg) | |
153 | { | |
154 | (void)sdi; | |
155 | (void)cg; | |
156 | ||
157 | switch (key) { | |
158 | case SR_CONF_SCAN_OPTIONS: | |
159 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
160 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
161 | break; | |
162 | case SR_CONF_DEVICE_OPTIONS: | |
163 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
164 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
165 | break; | |
166 | default: | |
167 | return SR_ERR_NA; | |
168 | } | |
169 | ||
170 | return SR_OK; | |
171 | } | |
172 | ||
173 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
174 | { | |
175 | struct dev_context *devc; | |
176 | struct sr_serial_dev_inst *serial; | |
177 | ||
178 | if (sdi->status != SR_ST_ACTIVE) | |
179 | return SR_ERR_DEV_CLOSED; | |
180 | ||
181 | if (!(devc = sdi->priv)) { | |
182 | sr_err("sdi->priv was NULL."); | |
183 | return SR_ERR_BUG; | |
184 | } | |
185 | ||
186 | devc->cb_data = cb_data; | |
187 | ||
188 | /* Send header packet to the session bus. */ | |
189 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
190 | ||
191 | /* Poll every 150ms, or whenever some data comes in. */ | |
192 | serial = sdi->conn; | |
193 | serial_source_add(sdi->session, serial, G_IO_IN, 150, | |
194 | colead_slm_receive_data, (void *)sdi); | |
195 | ||
196 | return SR_OK; | |
197 | } | |
198 | ||
199 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
200 | { | |
201 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, | |
202 | sdi->conn, LOG_PREFIX); | |
203 | } | |
204 | ||
205 | SR_PRIV struct sr_dev_driver colead_slm_driver_info = { | |
206 | .name = "colead-slm", | |
207 | .longname = "Colead SLM", | |
208 | .api_version = 1, | |
209 | .init = init, | |
210 | .cleanup = cleanup, | |
211 | .scan = scan, | |
212 | .dev_list = dev_list, | |
213 | .dev_clear = NULL, | |
214 | .config_get = NULL, | |
215 | .config_set = config_set, | |
216 | .config_list = config_list, | |
217 | .dev_open = dev_open, | |
218 | .dev_close = std_serial_dev_close, | |
219 | .dev_acquisition_start = dev_acquisition_start, | |
220 | .dev_acquisition_stop = dev_acquisition_stop, | |
221 | .context = NULL, | |
222 | }; |