]> sigrok.org Git - libsigrok.git/blame - src/hardware/appa-55ii/api.c
Introduce standard implementation of the dev_list() callback
[libsigrok.git] / src / hardware / appa-55ii / api.c
CommitLineData
5e7a8e57
AJ
1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org>
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
6ec6c43b 20#include <config.h>
81a9ab72 21#include <string.h>
5e7a8e57
AJ
22#include "protocol.h"
23
a0e0bb41 24static const uint32_t scanopts[] = {
81a9ab72
AJ
25 SR_CONF_CONN,
26 SR_CONF_SERIALCOMM,
27};
28
42a47a9a 29static const uint32_t drvopts[] = {
81a9ab72 30 SR_CONF_THERMOMETER,
42a47a9a
BV
31};
32
33static const uint32_t devopts[] = {
34 SR_CONF_CONTINUOUS | SR_CONF_SET,
5827f61b
BV
35 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
36 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
37 SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
81a9ab72
AJ
38};
39
40static const char *data_sources[] = {
41 "Live",
42 "Memory",
43};
44
5e7a8e57 45SR_PRIV struct sr_dev_driver appa_55ii_driver_info;
5e7a8e57 46
4f840ce9 47static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
5e7a8e57
AJ
48{
49 return std_init(sr_ctx, di, LOG_PREFIX);
50}
51
4f840ce9 52static GSList *scan(struct sr_dev_driver *di, GSList *options)
5e7a8e57
AJ
53{
54 struct drv_context *drvc;
81a9ab72
AJ
55 struct dev_context *devc;
56 struct sr_serial_dev_inst *serial;
57 struct sr_dev_inst *sdi;
7574e58c
BV
58 struct sr_config *src;
59 GSList *devices, *l;
60 const char *conn, *serialcomm;
81a9ab72 61 uint8_t buf[50];
7574e58c 62 size_t len;
81a9ab72 63
7574e58c
BV
64 len = sizeof(buf);
65 devices = NULL;
66 conn = serialcomm = NULL;
81a9ab72 67 for (l = options; l; l = l->next) {
7574e58c 68 src = l->data;
81a9ab72
AJ
69 switch (src->key) {
70 case SR_CONF_CONN:
71 conn = g_variant_get_string(src->data, NULL);
72 break;
73 case SR_CONF_SERIALCOMM:
74 serialcomm = g_variant_get_string(src->data, NULL);
75 break;
76 }
77 }
78 if (!conn)
79 return NULL;
80 if (!serialcomm)
81 serialcomm = "9600/8n1";
82
91219afc
UH
83 serial = sr_serial_dev_inst_new(conn, serialcomm);
84
25dd0831 85 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
81a9ab72 86 return NULL;
5e7a8e57 87
81a9ab72 88 sr_info("Probing serial port %s.", conn);
5e7a8e57 89
41812aca 90 drvc = di->context;
5e7a8e57 91 drvc->instances = NULL;
81a9ab72
AJ
92 serial_flush(serial);
93
94 /* Let's get a bit of data and see if we can find a packet. */
95 if (serial_stream_detect(serial, buf, &len, 25,
7574e58c 96 appa_55ii_packet_valid, 500, 9600) != SR_OK)
81a9ab72
AJ
97 goto scan_cleanup;
98
99 sr_info("Found device on port %s.", conn);
100
aac29cc1 101 sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be
UH
102 sdi->status = SR_ST_INACTIVE;
103 sdi->vendor = g_strdup("APPA");
104 sdi->model = g_strdup("55II");
f57d8ffe 105 devc = g_malloc0(sizeof(struct dev_context));
81a9ab72 106 devc->data_source = DEFAULT_DATA_SOURCE;
81a9ab72
AJ
107 sdi->inst_type = SR_INST_SERIAL;
108 sdi->conn = serial;
109 sdi->priv = devc;
110 sdi->driver = di;
5e7a8e57 111
5e23fcab
ML
112 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T1");
113 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T2");
81a9ab72
AJ
114
115 drvc->instances = g_slist_append(drvc->instances, sdi);
116 devices = g_slist_append(devices, sdi);
117
118scan_cleanup:
119 serial_close(serial);
5e7a8e57
AJ
120
121 return devices;
122}
123
584560f1 124static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
53b4680f 125 const struct sr_channel_group *cg)
5e7a8e57 126{
81a9ab72 127 struct dev_context *devc = sdi->priv;
5e7a8e57 128
53b4680f 129 (void)cg;
5e7a8e57 130
5e7a8e57 131 switch (key) {
81a9ab72
AJ
132 case SR_CONF_LIMIT_SAMPLES:
133 *data = g_variant_new_uint64(devc->limit_samples);
134 break;
135 case SR_CONF_LIMIT_MSEC:
136 *data = g_variant_new_uint64(devc->limit_msec);
137 break;
138 case SR_CONF_DATA_SOURCE:
139 *data = g_variant_new_string(data_sources[devc->data_source]);
140 break;
5e7a8e57
AJ
141 default:
142 return SR_ERR_NA;
143 }
144
81a9ab72 145 return SR_OK;
5e7a8e57
AJ
146}
147
584560f1 148static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
53b4680f 149 const struct sr_channel_group *cg)
5e7a8e57 150{
81a9ab72 151 struct dev_context *devc;
7574e58c
BV
152 const char *tmp_str;
153 unsigned int i;
5e7a8e57 154
53b4680f 155 (void)cg;
5e7a8e57
AJ
156
157 if (sdi->status != SR_ST_ACTIVE)
158 return SR_ERR_DEV_CLOSED;
159
81a9ab72
AJ
160 if (!(devc = sdi->priv)) {
161 sr_err("sdi->priv was NULL.");
162 return SR_ERR_BUG;
163 }
164
5e7a8e57 165 switch (key) {
81a9ab72
AJ
166 case SR_CONF_LIMIT_SAMPLES:
167 devc->limit_samples = g_variant_get_uint64(data);
81a9ab72
AJ
168 break;
169 case SR_CONF_LIMIT_MSEC:
170 devc->limit_msec = g_variant_get_uint64(data);
81a9ab72
AJ
171 break;
172 case SR_CONF_DATA_SOURCE: {
7574e58c
BV
173 tmp_str = g_variant_get_string(data, NULL);
174 for (i = 0; i < ARRAY_SIZE(data_sources); i++)
81a9ab72
AJ
175 if (!strcmp(tmp_str, data_sources[i])) {
176 devc->data_source = i;
177 break;
178 }
179 if (i == ARRAY_SIZE(data_sources))
180 return SR_ERR;
181 break;
182 }
5e7a8e57 183 default:
81a9ab72 184 return SR_ERR_NA;
5e7a8e57
AJ
185 }
186
81a9ab72 187 return SR_OK;
5e7a8e57
AJ
188}
189
584560f1 190static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
53b4680f 191 const struct sr_channel_group *cg)
5e7a8e57 192{
53b4680f 193 (void)cg;
5e7a8e57 194
5e7a8e57 195 switch (key) {
81a9ab72 196 case SR_CONF_SCAN_OPTIONS:
584560f1 197 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
a0e0bb41 198 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
81a9ab72
AJ
199 break;
200 case SR_CONF_DEVICE_OPTIONS:
42a47a9a
BV
201 if (!sdi)
202 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
203 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
204 else
205 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
206 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
81a9ab72
AJ
207 break;
208 case SR_CONF_DATA_SOURCE:
209 *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
210 break;
5e7a8e57
AJ
211 default:
212 return SR_ERR_NA;
213 }
214
81a9ab72 215 return SR_OK;
5e7a8e57
AJ
216}
217
695dc859 218static int dev_acquisition_start(const struct sr_dev_inst *sdi)
5e7a8e57 219{
7574e58c 220 struct sr_serial_dev_inst *serial;
81a9ab72 221 struct dev_context *devc;
5e7a8e57 222
7574e58c 223 serial = sdi->conn;
5e7a8e57
AJ
224 if (sdi->status != SR_ST_ACTIVE)
225 return SR_ERR_DEV_CLOSED;
226
208c1d35 227 devc = sdi->priv;
5e7a8e57 228
81a9ab72
AJ
229 /*
230 * Reset the number of samples to take. If we've already collected our
231 * quota, but we start a new session, and don't reset this, we'll just
232 * quit without acquiring any new samples.
233 */
234 devc->num_samples = 0;
235 devc->start_time = g_get_monotonic_time();
5e7a8e57 236
695dc859 237 std_session_send_df_header(sdi, LOG_PREFIX);
5e7a8e57 238
81a9ab72 239 /* Poll every 50ms, or whenever some data comes in. */
102f1239
BV
240 serial_source_add(sdi->session, serial, G_IO_IN, 50,
241 appa_55ii_receive_data, (void *)sdi);
5e7a8e57
AJ
242
243 return SR_OK;
244}
245
695dc859 246static int dev_acquisition_stop(struct sr_dev_inst *sdi)
81a9ab72 247{
6525d819 248 return std_serial_dev_acquisition_stop(sdi,
76b4d4f4 249 std_serial_dev_close, sdi->conn, LOG_PREFIX);
81a9ab72
AJ
250}
251
5e7a8e57
AJ
252SR_PRIV struct sr_dev_driver appa_55ii_driver_info = {
253 .name = "appa-55ii",
254 .longname = "APPA 55II",
255 .api_version = 1,
256 .init = init,
700d6b64 257 .cleanup = std_cleanup,
5e7a8e57 258 .scan = scan,
c01bf34c 259 .dev_list = std_dev_list,
a6630742 260 .dev_clear = NULL,
5e7a8e57
AJ
261 .config_get = config_get,
262 .config_set = config_set,
263 .config_list = config_list,
81a9ab72
AJ
264 .dev_open = std_serial_dev_open,
265 .dev_close = std_serial_dev_close,
5e7a8e57
AJ
266 .dev_acquisition_start = dev_acquisition_start,
267 .dev_acquisition_stop = dev_acquisition_stop,
41812aca 268 .context = NULL,
5e7a8e57 269};