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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 <config.h> | |
22 | #include <fcntl.h> | |
23 | #include <glib.h> | |
24 | #include <libsigrok/libsigrok.h> | |
25 | #include "libsigrok-internal.h" | |
26 | #include "protocol.h" | |
27 | ||
28 | #define SERIALCOMM "9600/8e1" | |
29 | ||
30 | static const uint32_t scanopts[] = { | |
31 | SR_CONF_CONN, | |
32 | SR_CONF_SERIALCOMM, | |
33 | }; | |
34 | ||
35 | static const uint32_t devopts[] = { | |
36 | SR_CONF_SOUNDLEVELMETER, | |
37 | SR_CONF_CONTINUOUS, | |
38 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, | |
39 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
40 | }; | |
41 | ||
42 | SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info; | |
43 | ||
44 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
45 | { | |
46 | struct drv_context *drvc; | |
47 | struct dev_context *devc; | |
48 | struct sr_dev_inst *sdi; | |
49 | struct sr_config *src; | |
50 | GSList *devices, *l; | |
51 | const char *conn, *serialcomm; | |
52 | struct sr_serial_dev_inst *serial; | |
53 | ||
54 | drvc = di->context; | |
55 | drvc->instances = NULL; | |
56 | ||
57 | devices = NULL; | |
58 | ||
59 | conn = serialcomm = NULL; | |
60 | for (l = options; l; l = l->next) { | |
61 | if (!(src = l->data)) { | |
62 | sr_err("Invalid option data, skipping."); | |
63 | continue; | |
64 | } | |
65 | switch (src->key) { | |
66 | case SR_CONF_CONN: | |
67 | conn = g_variant_get_string(src->data, NULL); | |
68 | break; | |
69 | case SR_CONF_SERIALCOMM: | |
70 | serialcomm = g_variant_get_string(src->data, NULL); | |
71 | break; | |
72 | default: | |
73 | sr_err("Unknown option %d, skipping.", src->key); | |
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("Tondaj"); | |
85 | sdi->model = g_strdup("SL-814"); | |
86 | devc = g_malloc0(sizeof(struct dev_context)); | |
87 | sr_sw_limits_init(&devc->limits); | |
88 | ||
89 | serial = sr_serial_dev_inst_new(conn, serialcomm); | |
90 | ||
91 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
92 | return NULL; | |
93 | ||
94 | sdi->inst_type = SR_INST_SERIAL; | |
95 | sdi->conn = serial; | |
96 | ||
97 | sdi->priv = devc; | |
98 | sdi->driver = di; | |
99 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); | |
100 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
101 | devices = g_slist_append(devices, sdi); | |
102 | ||
103 | return devices; | |
104 | } | |
105 | ||
106 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
107 | const struct sr_channel_group *cg) | |
108 | { | |
109 | struct dev_context *devc; | |
110 | ||
111 | (void)cg; | |
112 | ||
113 | if (sdi->status != SR_ST_ACTIVE) | |
114 | return SR_ERR_DEV_CLOSED; | |
115 | ||
116 | devc = sdi->priv; | |
117 | ||
118 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
119 | } | |
120 | ||
121 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
122 | const struct sr_channel_group *cg) | |
123 | { | |
124 | (void)sdi; | |
125 | (void)cg; | |
126 | ||
127 | switch (key) { | |
128 | case SR_CONF_SCAN_OPTIONS: | |
129 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
130 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
131 | break; | |
132 | case SR_CONF_DEVICE_OPTIONS: | |
133 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
134 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
135 | break; | |
136 | default: | |
137 | return SR_ERR_NA; | |
138 | } | |
139 | ||
140 | return SR_OK; | |
141 | } | |
142 | ||
143 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
144 | { | |
145 | struct dev_context *devc = sdi->priv; | |
146 | struct sr_serial_dev_inst *serial; | |
147 | ||
148 | if (sdi->status != SR_ST_ACTIVE) | |
149 | return SR_ERR_DEV_CLOSED; | |
150 | ||
151 | std_session_send_df_header(sdi, LOG_PREFIX); | |
152 | ||
153 | sr_sw_limits_acquisition_start(&devc->limits); | |
154 | ||
155 | /* Poll every 500ms, or whenever some data comes in. */ | |
156 | serial = sdi->conn; | |
157 | serial_source_add(sdi->session, serial, G_IO_IN, 500, | |
158 | tondaj_sl_814_receive_data, (void *)sdi); | |
159 | ||
160 | return SR_OK; | |
161 | } | |
162 | ||
163 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
164 | { | |
165 | return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close, | |
166 | sdi->conn, LOG_PREFIX); | |
167 | } | |
168 | ||
169 | SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = { | |
170 | .name = "tondaj-sl-814", | |
171 | .longname = "Tondaj SL-814", | |
172 | .api_version = 1, | |
173 | .init = std_init, | |
174 | .cleanup = std_cleanup, | |
175 | .scan = scan, | |
176 | .dev_list = std_dev_list, | |
177 | .dev_clear = NULL, | |
178 | .config_get = NULL, | |
179 | .config_set = config_set, | |
180 | .config_list = config_list, | |
181 | .dev_open = std_serial_dev_open, | |
182 | .dev_close = std_serial_dev_close, | |
183 | .dev_acquisition_start = dev_acquisition_start, | |
184 | .dev_acquisition_stop = dev_acquisition_stop, | |
185 | .context = NULL, | |
186 | }; |