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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 <config.h> | |
21 | #include <glib.h> | |
22 | #include <sys/types.h> | |
23 | #include <sys/stat.h> | |
24 | #include <fcntl.h> | |
25 | #include <string.h> | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | #include "protocol.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 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
46 | { | |
47 | struct dev_context *devc; | |
48 | struct sr_dev_inst *sdi; | |
49 | struct sr_config *src; | |
50 | GSList *l; | |
51 | const char *conn, *serialcomm; | |
52 | ||
53 | conn = serialcomm = NULL; | |
54 | for (l = options; l; l = l->next) { | |
55 | src = l->data; | |
56 | switch (src->key) { | |
57 | case SR_CONF_CONN: | |
58 | conn = g_variant_get_string(src->data, NULL); | |
59 | break; | |
60 | case SR_CONF_SERIALCOMM: | |
61 | serialcomm = g_variant_get_string(src->data, NULL); | |
62 | break; | |
63 | } | |
64 | } | |
65 | if (!conn) | |
66 | return NULL; | |
67 | if (!serialcomm) | |
68 | serialcomm = SERIALCOMM; | |
69 | ||
70 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
71 | sdi->status = SR_ST_INACTIVE; | |
72 | sdi->vendor = g_strdup("Colead"); | |
73 | sdi->model = g_strdup("SL-5868P"); | |
74 | devc = g_malloc0(sizeof(struct dev_context)); | |
75 | sr_sw_limits_init(&devc->limits); | |
76 | sdi->conn = sr_serial_dev_inst_new(conn, serialcomm); | |
77 | sdi->inst_type = SR_INST_SERIAL; | |
78 | sdi->priv = devc; | |
79 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); | |
80 | ||
81 | return std_scan_complete(di, g_slist_append(NULL, sdi)); | |
82 | } | |
83 | ||
84 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
85 | const struct sr_channel_group *cg) | |
86 | { | |
87 | struct dev_context *devc; | |
88 | ||
89 | (void)cg; | |
90 | ||
91 | if (sdi->status != SR_ST_ACTIVE) | |
92 | return SR_ERR_DEV_CLOSED; | |
93 | ||
94 | devc = sdi->priv; | |
95 | ||
96 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
97 | } | |
98 | ||
99 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
100 | const struct sr_channel_group *cg) | |
101 | { | |
102 | (void)sdi; | |
103 | (void)cg; | |
104 | ||
105 | switch (key) { | |
106 | case SR_CONF_SCAN_OPTIONS: | |
107 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
108 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
109 | break; | |
110 | case SR_CONF_DEVICE_OPTIONS: | |
111 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
112 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
113 | break; | |
114 | default: | |
115 | return SR_ERR_NA; | |
116 | } | |
117 | ||
118 | return SR_OK; | |
119 | } | |
120 | ||
121 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
122 | { | |
123 | struct dev_context *devc = sdi->priv; | |
124 | struct sr_serial_dev_inst *serial; | |
125 | ||
126 | if (sdi->status != SR_ST_ACTIVE) | |
127 | return SR_ERR_DEV_CLOSED; | |
128 | ||
129 | sr_sw_limits_acquisition_start(&devc->limits); | |
130 | std_session_send_df_header(sdi); | |
131 | ||
132 | /* Poll every 150ms, or whenever some data comes in. */ | |
133 | serial = sdi->conn; | |
134 | serial_source_add(sdi->session, serial, G_IO_IN, 150, | |
135 | colead_slm_receive_data, (void *)sdi); | |
136 | ||
137 | return SR_OK; | |
138 | } | |
139 | ||
140 | static struct sr_dev_driver colead_slm_driver_info = { | |
141 | .name = "colead-slm", | |
142 | .longname = "Colead SLM", | |
143 | .api_version = 1, | |
144 | .init = std_init, | |
145 | .cleanup = std_cleanup, | |
146 | .scan = scan, | |
147 | .dev_list = std_dev_list, | |
148 | .dev_clear = NULL, | |
149 | .config_get = NULL, | |
150 | .config_set = config_set, | |
151 | .config_list = config_list, | |
152 | .dev_open = std_serial_dev_open, | |
153 | .dev_close = std_serial_dev_close, | |
154 | .dev_acquisition_start = dev_acquisition_start, | |
155 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, | |
156 | .context = NULL, | |
157 | }; | |
158 | SR_REGISTER_DEV_DRIVER(colead_slm_driver_info); |