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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 | ||
42 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) | |
43 | { | |
44 | return std_init(sr_ctx, di, LOG_PREFIX); | |
45 | } | |
46 | ||
47 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
48 | { | |
49 | struct drv_context *drvc; | |
50 | struct dev_context *devc; | |
51 | struct sr_dev_inst *sdi; | |
52 | struct sr_config *src; | |
53 | GSList *devices, *l; | |
54 | const char *conn, *serialcomm; | |
55 | struct sr_serial_dev_inst *serial; | |
56 | ||
57 | drvc = di->priv; | |
58 | drvc->instances = NULL; | |
59 | ||
60 | devices = NULL; | |
61 | ||
62 | conn = serialcomm = NULL; | |
63 | for (l = options; l; l = l->next) { | |
64 | if (!(src = l->data)) { | |
65 | sr_err("Invalid option data, skipping."); | |
66 | continue; | |
67 | } | |
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 | default: | |
76 | sr_err("Unknown option %d, skipping.", src->key); | |
77 | break; | |
78 | } | |
79 | } | |
80 | if (!conn) | |
81 | return NULL; | |
82 | if (!serialcomm) | |
83 | serialcomm = SERIALCOMM; | |
84 | ||
85 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
86 | sdi->status = SR_ST_INACTIVE; | |
87 | sdi->vendor = g_strdup("Tondaj"); | |
88 | sdi->model = g_strdup("SL-814"); | |
89 | devc = g_malloc0(sizeof(struct dev_context)); | |
90 | ||
91 | serial = sr_serial_dev_inst_new(conn, serialcomm); | |
92 | ||
93 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
94 | return NULL; | |
95 | ||
96 | sdi->inst_type = SR_INST_SERIAL; | |
97 | sdi->conn = serial; | |
98 | ||
99 | sdi->priv = devc; | |
100 | sdi->driver = di; | |
101 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); | |
102 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
103 | devices = g_slist_append(devices, sdi); | |
104 | ||
105 | return devices; | |
106 | } | |
107 | ||
108 | static GSList *dev_list(const struct sr_dev_driver *di) | |
109 | { | |
110 | return ((struct drv_context *)(di->priv))->instances; | |
111 | } | |
112 | ||
113 | static int cleanup(const struct sr_dev_driver *di) | |
114 | { | |
115 | return std_dev_clear(di, NULL); | |
116 | } | |
117 | ||
118 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
119 | const struct sr_channel_group *cg) | |
120 | { | |
121 | struct dev_context *devc; | |
122 | ||
123 | (void)cg; | |
124 | ||
125 | if (sdi->status != SR_ST_ACTIVE) | |
126 | return SR_ERR_DEV_CLOSED; | |
127 | ||
128 | devc = sdi->priv; | |
129 | ||
130 | switch (key) { | |
131 | case SR_CONF_LIMIT_SAMPLES: | |
132 | devc->limit_samples = g_variant_get_uint64(data); | |
133 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
134 | devc->limit_samples); | |
135 | break; | |
136 | default: | |
137 | return SR_ERR_NA; | |
138 | } | |
139 | ||
140 | return SR_OK; | |
141 | } | |
142 | ||
143 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
144 | const struct sr_channel_group *cg) | |
145 | { | |
146 | (void)sdi; | |
147 | (void)cg; | |
148 | ||
149 | switch (key) { | |
150 | case SR_CONF_SCAN_OPTIONS: | |
151 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
152 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
153 | break; | |
154 | case SR_CONF_DEVICE_OPTIONS: | |
155 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
156 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
157 | break; | |
158 | default: | |
159 | return SR_ERR_NA; | |
160 | } | |
161 | ||
162 | return SR_OK; | |
163 | } | |
164 | ||
165 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
166 | void *cb_data) | |
167 | { | |
168 | struct dev_context *devc; | |
169 | struct sr_serial_dev_inst *serial; | |
170 | ||
171 | if (sdi->status != SR_ST_ACTIVE) | |
172 | return SR_ERR_DEV_CLOSED; | |
173 | ||
174 | devc = sdi->priv; | |
175 | devc->cb_data = cb_data; | |
176 | ||
177 | /* Send header packet to the session bus. */ | |
178 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
179 | ||
180 | /* Poll every 500ms, or whenever some data comes in. */ | |
181 | serial = sdi->conn; | |
182 | serial_source_add(sdi->session, serial, G_IO_IN, 500, | |
183 | tondaj_sl_814_receive_data, (void *)sdi); | |
184 | ||
185 | return SR_OK; | |
186 | } | |
187 | ||
188 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
189 | { | |
190 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, | |
191 | sdi->conn, LOG_PREFIX); | |
192 | } | |
193 | ||
194 | SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = { | |
195 | .name = "tondaj-sl-814", | |
196 | .longname = "Tondaj SL-814", | |
197 | .api_version = 1, | |
198 | .init = init, | |
199 | .cleanup = cleanup, | |
200 | .scan = scan, | |
201 | .dev_list = dev_list, | |
202 | .dev_clear = NULL, | |
203 | .config_get = NULL, | |
204 | .config_set = config_set, | |
205 | .config_list = config_list, | |
206 | .dev_open = std_serial_dev_open, | |
207 | .dev_close = std_serial_dev_close, | |
208 | .dev_acquisition_start = dev_acquisition_start, | |
209 | .dev_acquisition_stop = dev_acquisition_stop, | |
210 | .priv = NULL, | |
211 | }; |