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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 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 <fcntl.h> | |
22 | #include <glib.h> | |
23 | #include "libsigrok.h" | |
24 | #include "libsigrok-internal.h" | |
25 | #include "protocol.h" | |
26 | ||
27 | #define SERIALCOMM "9600/8e1" | |
28 | ||
29 | static const uint32_t scanopts[] = { | |
30 | SR_CONF_CONN, | |
31 | SR_CONF_SERIALCOMM, | |
32 | }; | |
33 | ||
34 | static const uint32_t devopts[] = { | |
35 | SR_CONF_SOUNDLEVELMETER, | |
36 | SR_CONF_CONTINUOUS, | |
37 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, | |
38 | }; | |
39 | ||
40 | SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info; | |
41 | static struct sr_dev_driver *di = &tondaj_sl_814_driver_info; | |
42 | ||
43 | static int init(struct sr_context *sr_ctx) | |
44 | { | |
45 | return std_init(sr_ctx, di, LOG_PREFIX); | |
46 | } | |
47 | ||
48 | static GSList *scan(GSList *options) | |
49 | { | |
50 | struct drv_context *drvc; | |
51 | struct dev_context *devc; | |
52 | struct sr_dev_inst *sdi; | |
53 | struct sr_config *src; | |
54 | struct sr_channel *ch; | |
55 | GSList *devices, *l; | |
56 | const char *conn, *serialcomm; | |
57 | struct sr_serial_dev_inst *serial; | |
58 | ||
59 | drvc = di->priv; | |
60 | drvc->instances = NULL; | |
61 | ||
62 | devices = NULL; | |
63 | ||
64 | conn = serialcomm = NULL; | |
65 | for (l = options; l; l = l->next) { | |
66 | if (!(src = l->data)) { | |
67 | sr_err("Invalid option data, skipping."); | |
68 | continue; | |
69 | } | |
70 | switch (src->key) { | |
71 | case SR_CONF_CONN: | |
72 | conn = g_variant_get_string(src->data, NULL); | |
73 | break; | |
74 | case SR_CONF_SERIALCOMM: | |
75 | serialcomm = g_variant_get_string(src->data, NULL); | |
76 | break; | |
77 | default: | |
78 | sr_err("Unknown option %d, skipping.", src->key); | |
79 | break; | |
80 | } | |
81 | } | |
82 | if (!conn) | |
83 | return NULL; | |
84 | if (!serialcomm) | |
85 | serialcomm = SERIALCOMM; | |
86 | ||
87 | sdi = sr_dev_inst_new(); | |
88 | sdi->status = SR_ST_INACTIVE; | |
89 | sdi->vendor = g_strdup("Tondaj"); | |
90 | sdi->model = g_strdup("SL-814"); | |
91 | ||
92 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
93 | sr_err("Device context malloc failed."); | |
94 | return NULL; | |
95 | } | |
96 | ||
97 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) | |
98 | return NULL; | |
99 | ||
100 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
101 | return NULL; | |
102 | ||
103 | sdi->inst_type = SR_INST_SERIAL; | |
104 | sdi->conn = serial; | |
105 | ||
106 | sdi->priv = devc; | |
107 | sdi->driver = di; | |
108 | ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1"); | |
109 | if (!ch) { | |
110 | sr_err("Failed to create channel."); | |
111 | return NULL; | |
112 | } | |
113 | sdi->channels = g_slist_append(sdi->channels, ch); | |
114 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
115 | devices = g_slist_append(devices, sdi); | |
116 | ||
117 | return devices; | |
118 | } | |
119 | ||
120 | static GSList *dev_list(void) | |
121 | { | |
122 | return ((struct drv_context *)(di->priv))->instances; | |
123 | } | |
124 | ||
125 | static int cleanup(void) | |
126 | { | |
127 | return std_dev_clear(di, NULL); | |
128 | } | |
129 | ||
130 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
131 | const struct sr_channel_group *cg) | |
132 | { | |
133 | struct dev_context *devc; | |
134 | ||
135 | (void)cg; | |
136 | ||
137 | if (sdi->status != SR_ST_ACTIVE) | |
138 | return SR_ERR_DEV_CLOSED; | |
139 | ||
140 | devc = sdi->priv; | |
141 | ||
142 | switch (key) { | |
143 | case SR_CONF_LIMIT_SAMPLES: | |
144 | devc->limit_samples = g_variant_get_uint64(data); | |
145 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
146 | devc->limit_samples); | |
147 | break; | |
148 | default: | |
149 | return SR_ERR_NA; | |
150 | } | |
151 | ||
152 | return SR_OK; | |
153 | } | |
154 | ||
155 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
156 | const struct sr_channel_group *cg) | |
157 | { | |
158 | (void)sdi; | |
159 | (void)cg; | |
160 | ||
161 | switch (key) { | |
162 | case SR_CONF_SCAN_OPTIONS: | |
163 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
164 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
165 | break; | |
166 | case SR_CONF_DEVICE_OPTIONS: | |
167 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
168 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
169 | break; | |
170 | default: | |
171 | return SR_ERR_NA; | |
172 | } | |
173 | ||
174 | return SR_OK; | |
175 | } | |
176 | ||
177 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
178 | void *cb_data) | |
179 | { | |
180 | struct dev_context *devc; | |
181 | struct sr_serial_dev_inst *serial; | |
182 | ||
183 | if (sdi->status != SR_ST_ACTIVE) | |
184 | return SR_ERR_DEV_CLOSED; | |
185 | ||
186 | devc = sdi->priv; | |
187 | devc->cb_data = cb_data; | |
188 | ||
189 | /* Send header packet to the session bus. */ | |
190 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
191 | ||
192 | /* Poll every 500ms, or whenever some data comes in. */ | |
193 | serial = sdi->conn; | |
194 | serial_source_add(sdi->session, serial, G_IO_IN, 500, | |
195 | tondaj_sl_814_receive_data, (void *)sdi); | |
196 | ||
197 | return SR_OK; | |
198 | } | |
199 | ||
200 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
201 | { | |
202 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, | |
203 | sdi->conn, LOG_PREFIX); | |
204 | } | |
205 | ||
206 | SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = { | |
207 | .name = "tondaj-sl-814", | |
208 | .longname = "Tondaj SL-814", | |
209 | .api_version = 1, | |
210 | .init = init, | |
211 | .cleanup = cleanup, | |
212 | .scan = scan, | |
213 | .dev_list = dev_list, | |
214 | .dev_clear = NULL, | |
215 | .config_get = NULL, | |
216 | .config_set = config_set, | |
217 | .config_list = config_list, | |
218 | .dev_open = std_serial_dev_open, | |
219 | .dev_close = std_serial_dev_close, | |
220 | .dev_acquisition_start = dev_acquisition_start, | |
221 | .dev_acquisition_stop = dev_acquisition_stop, | |
222 | .priv = NULL, | |
223 | }; |