scpi-pps: Add a missing "break" in config_get().
[libsigrok.git] / src / hardware / center-3xx / api.c
1 /*
2  * This file is part of the libsigrok project.
3  *
4  * Copyright (C) 2013 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, see <http://www.gnu.org/licenses/>.
18  */
19
20 #include <config.h>
21 #include "protocol.h"
22
23 static const uint32_t scanopts[] = {
24         SR_CONF_CONN,
25         SR_CONF_SERIALCOMM,
26 };
27
28 static const uint32_t drvopts[] = {
29         SR_CONF_THERMOMETER,
30 };
31
32 static const uint32_t devopts[] = {
33         SR_CONF_CONTINUOUS,
34         SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
35         SR_CONF_LIMIT_MSEC | SR_CONF_SET,
36 };
37
38 static const char *channel_names[] = {
39         "T1", "T2", "T3", "T4",
40 };
41
42 static struct sr_dev_driver center_309_driver_info;
43 static struct sr_dev_driver voltcraft_k204_driver_info;
44
45 SR_PRIV const struct center_dev_info center_devs[] = {
46         {
47                 "Center", "309", "9600/8n1", 4, 32000, 45,
48                 center_3xx_packet_valid,
49                 &center_309_driver_info, receive_data_CENTER_309,
50         },
51         {
52                 "Voltcraft", "K204", "9600/8n1", 4, 32000, 45,
53                 center_3xx_packet_valid,
54                 &voltcraft_k204_driver_info, receive_data_VOLTCRAFT_K204,
55         },
56 };
57
58 static GSList *center_scan(const char *conn, const char *serialcomm, int idx)
59 {
60         int i;
61         struct sr_dev_inst *sdi;
62         struct dev_context *devc;
63         struct sr_serial_dev_inst *serial;
64
65         serial = sr_serial_dev_inst_new(conn, serialcomm);
66
67         if (serial_open(serial, SERIAL_RDWR) != SR_OK)
68                 return NULL;
69
70         serial_flush(serial);
71
72         sr_info("Found device on port %s.", conn);
73
74         sdi = g_malloc0(sizeof(struct sr_dev_inst));
75         sdi->status = SR_ST_INACTIVE;
76         sdi->vendor = g_strdup(center_devs[idx].vendor);
77         sdi->model = g_strdup(center_devs[idx].device);
78         devc = g_malloc0(sizeof(struct dev_context));
79         sdi->inst_type = SR_INST_SERIAL;
80         sdi->conn = serial;
81         sdi->priv = devc;
82
83         for (i = 0; i < center_devs[idx].num_channels; i++)
84                 sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]);
85
86         serial_close(serial);
87
88         return g_slist_append(NULL, sdi);
89 }
90
91 static GSList *scan(GSList *options, int idx)
92 {
93         struct sr_config *src;
94         GSList *l, *devices;
95         const char *conn, *serialcomm;
96
97         conn = serialcomm = NULL;
98         for (l = options; l; l = l->next) {
99                 src = l->data;
100                 switch (src->key) {
101                 case SR_CONF_CONN:
102                         conn = g_variant_get_string(src->data, NULL);
103                         break;
104                 case SR_CONF_SERIALCOMM:
105                         serialcomm = g_variant_get_string(src->data, NULL);
106                         break;
107                 }
108         }
109         if (!conn)
110                 return NULL;
111
112         if (serialcomm)
113                 devices = center_scan(conn, serialcomm, idx);
114         else
115                 devices = center_scan(conn, center_devs[idx].conn, idx);
116
117         return std_scan_complete(center_devs[idx].di, devices);
118 }
119
120 static int config_set(uint32_t key, GVariant *data,
121         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
122 {
123         struct dev_context *devc;
124
125         (void)cg;
126
127         devc = sdi->priv;
128
129         return sr_sw_limits_config_set(&devc->sw_limits, key, data);
130 }
131
132 static int config_list(uint32_t key, GVariant **data,
133         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
134 {
135         return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
136 }
137
138 static int dev_acquisition_start(const struct sr_dev_inst *sdi, int idx)
139 {
140         struct dev_context *devc;
141         struct sr_serial_dev_inst *serial;
142
143         devc = sdi->priv;
144
145         sr_sw_limits_acquisition_start(&devc->sw_limits);
146
147         std_session_send_df_header(sdi);
148
149         serial = sdi->conn;
150         serial_source_add(sdi->session, serial, G_IO_IN, 500,
151                       center_devs[idx].receive_data, (void *)sdi);
152
153         return SR_OK;
154 }
155
156 /* Driver-specific API function wrappers */
157 #define HW_SCAN(X) \
158 static GSList *scan_##X(struct sr_dev_driver *d, GSList *options) { \
159         (void)d; return scan(options, X); }
160 #define HW_DEV_ACQUISITION_START(X) \
161 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi \
162 ) { return dev_acquisition_start(sdi, X); }
163
164 /* Driver structs and API function wrappers */
165 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
166 HW_SCAN(ID_UPPER) \
167 HW_DEV_ACQUISITION_START(ID_UPPER) \
168 static struct sr_dev_driver ID##_driver_info = { \
169         .name = NAME, \
170         .longname = LONGNAME, \
171         .api_version = 1, \
172         .init = std_init, \
173         .cleanup = std_cleanup, \
174         .scan = scan_##ID_UPPER, \
175         .dev_list = std_dev_list, \
176         .dev_clear = std_dev_clear, \
177         .config_get = NULL, \
178         .config_set = config_set, \
179         .config_list = config_list, \
180         .dev_open = std_serial_dev_open, \
181         .dev_close = std_serial_dev_close, \
182         .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
183         .dev_acquisition_stop = std_serial_dev_acquisition_stop, \
184         .context = NULL, \
185 }; \
186 SR_REGISTER_DEV_DRIVER(ID##_driver_info);
187
188 DRV(center_309, CENTER_309, "center-309", "Center 309")
189 DRV(voltcraft_k204, VOLTCRAFT_K204, "voltcraft-k204", "Voltcraft K204")