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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 | ||
20 | #include <config.h> | |
21 | #include <string.h> | |
22 | #include "protocol.h" | |
23 | ||
24 | static const uint32_t scanopts[] = { | |
25 | SR_CONF_CONN, | |
26 | SR_CONF_SERIALCOMM, | |
27 | }; | |
28 | ||
29 | static const uint32_t drvopts[] = { | |
30 | SR_CONF_THERMOMETER, | |
31 | }; | |
32 | ||
33 | static const uint32_t devopts[] = { | |
34 | SR_CONF_CONTINUOUS, | |
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, | |
38 | }; | |
39 | ||
40 | static const char *data_sources[] = { | |
41 | "Live", | |
42 | "Memory", | |
43 | }; | |
44 | ||
45 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
46 | { | |
47 | struct dev_context *devc; | |
48 | struct sr_serial_dev_inst *serial; | |
49 | struct sr_dev_inst *sdi; | |
50 | struct sr_config *src; | |
51 | GSList *devices, *l; | |
52 | const char *conn, *serialcomm; | |
53 | uint8_t buf[50]; | |
54 | size_t len; | |
55 | ||
56 | len = sizeof(buf); | |
57 | devices = NULL; | |
58 | conn = serialcomm = NULL; | |
59 | for (l = options; l; l = l->next) { | |
60 | src = l->data; | |
61 | switch (src->key) { | |
62 | case SR_CONF_CONN: | |
63 | conn = g_variant_get_string(src->data, NULL); | |
64 | break; | |
65 | case SR_CONF_SERIALCOMM: | |
66 | serialcomm = g_variant_get_string(src->data, NULL); | |
67 | break; | |
68 | } | |
69 | } | |
70 | if (!conn) | |
71 | return NULL; | |
72 | if (!serialcomm) | |
73 | serialcomm = "9600/8n1"; | |
74 | ||
75 | serial = sr_serial_dev_inst_new(conn, serialcomm); | |
76 | ||
77 | if (serial_open(serial, SERIAL_RDONLY) != SR_OK) | |
78 | return NULL; | |
79 | ||
80 | sr_info("Probing serial port %s.", conn); | |
81 | ||
82 | serial_flush(serial); | |
83 | ||
84 | /* Let's get a bit of data and see if we can find a packet. */ | |
85 | if (serial_stream_detect(serial, buf, &len, 25, | |
86 | appa_55ii_packet_valid, 500, 9600) != SR_OK) | |
87 | goto scan_cleanup; | |
88 | ||
89 | sr_info("Found device on port %s.", conn); | |
90 | ||
91 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
92 | sdi->status = SR_ST_INACTIVE; | |
93 | sdi->vendor = g_strdup("APPA"); | |
94 | sdi->model = g_strdup("55II"); | |
95 | devc = g_malloc0(sizeof(struct dev_context)); | |
96 | devc->data_source = DEFAULT_DATA_SOURCE; | |
97 | sdi->inst_type = SR_INST_SERIAL; | |
98 | sdi->conn = serial; | |
99 | sdi->priv = devc; | |
100 | ||
101 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T1"); | |
102 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T2"); | |
103 | ||
104 | devices = g_slist_append(devices, sdi); | |
105 | ||
106 | scan_cleanup: | |
107 | serial_close(serial); | |
108 | ||
109 | return std_scan_complete(di, devices); | |
110 | } | |
111 | ||
112 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
113 | const struct sr_channel_group *cg) | |
114 | { | |
115 | struct dev_context *devc = sdi->priv; | |
116 | ||
117 | (void)cg; | |
118 | ||
119 | switch (key) { | |
120 | case SR_CONF_LIMIT_SAMPLES: | |
121 | case SR_CONF_LIMIT_MSEC: | |
122 | return sr_sw_limits_config_get(&devc->limits, key, data); | |
123 | case SR_CONF_DATA_SOURCE: | |
124 | *data = g_variant_new_string(data_sources[devc->data_source]); | |
125 | break; | |
126 | default: | |
127 | return SR_ERR_NA; | |
128 | } | |
129 | ||
130 | return SR_OK; | |
131 | } | |
132 | ||
133 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
134 | const struct sr_channel_group *cg) | |
135 | { | |
136 | struct dev_context *devc; | |
137 | const char *tmp_str; | |
138 | unsigned int i; | |
139 | ||
140 | (void)cg; | |
141 | ||
142 | devc = sdi->priv; | |
143 | ||
144 | switch (key) { | |
145 | case SR_CONF_LIMIT_SAMPLES: | |
146 | case SR_CONF_LIMIT_MSEC: | |
147 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
148 | case SR_CONF_DATA_SOURCE: { | |
149 | tmp_str = g_variant_get_string(data, NULL); | |
150 | for (i = 0; i < ARRAY_SIZE(data_sources); i++) | |
151 | if (!strcmp(tmp_str, data_sources[i])) { | |
152 | devc->data_source = i; | |
153 | break; | |
154 | } | |
155 | if (i == ARRAY_SIZE(data_sources)) | |
156 | return SR_ERR; | |
157 | break; | |
158 | } | |
159 | default: | |
160 | return SR_ERR_NA; | |
161 | } | |
162 | ||
163 | return SR_OK; | |
164 | } | |
165 | ||
166 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
167 | const struct sr_channel_group *cg) | |
168 | { | |
169 | switch (key) { | |
170 | case SR_CONF_SCAN_OPTIONS: | |
171 | case SR_CONF_DEVICE_OPTIONS: | |
172 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); | |
173 | case SR_CONF_DATA_SOURCE: | |
174 | *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources)); | |
175 | break; | |
176 | default: | |
177 | return SR_ERR_NA; | |
178 | } | |
179 | ||
180 | return SR_OK; | |
181 | } | |
182 | ||
183 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
184 | { | |
185 | struct sr_serial_dev_inst *serial; | |
186 | struct dev_context *devc; | |
187 | ||
188 | serial = sdi->conn; | |
189 | devc = sdi->priv; | |
190 | ||
191 | sr_sw_limits_acquisition_start(&devc->limits); | |
192 | ||
193 | std_session_send_df_header(sdi); | |
194 | ||
195 | serial_source_add(sdi->session, serial, G_IO_IN, 50, | |
196 | appa_55ii_receive_data, (void *)sdi); | |
197 | ||
198 | return SR_OK; | |
199 | } | |
200 | ||
201 | static struct sr_dev_driver appa_55ii_driver_info = { | |
202 | .name = "appa-55ii", | |
203 | .longname = "APPA 55II", | |
204 | .api_version = 1, | |
205 | .init = std_init, | |
206 | .cleanup = std_cleanup, | |
207 | .scan = scan, | |
208 | .dev_list = std_dev_list, | |
209 | .dev_clear = std_dev_clear, | |
210 | .config_get = config_get, | |
211 | .config_set = config_set, | |
212 | .config_list = config_list, | |
213 | .dev_open = std_serial_dev_open, | |
214 | .dev_close = std_serial_dev_close, | |
215 | .dev_acquisition_start = dev_acquisition_start, | |
216 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, | |
217 | .context = NULL, | |
218 | }; | |
219 | SR_REGISTER_DEV_DRIVER(appa_55ii_driver_info); |