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3877dde4 BV |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 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 | ||
6ec6c43b | 20 | #include <config.h> |
6513f97f | 21 | #include <string.h> |
515ab088 | 22 | #include "protocol.h" |
6513f97f | 23 | |
40bbf635 BV |
24 | static const uint32_t scanopts[] = { |
25 | SR_CONF_CONN, | |
164c5ae5 | 26 | SR_CONF_SERIALCOMM, |
40bbf635 BV |
27 | }; |
28 | ||
05199c0a | 29 | static const uint32_t drvopts[] = { |
6513f97f | 30 | SR_CONF_THERMOMETER, |
05199c0a UH |
31 | }; |
32 | ||
33 | static const uint32_t devopts[] = { | |
6513f97f | 34 | SR_CONF_CONTINUOUS, |
5827f61b | 35 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
9e111972 | 36 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, |
5827f61b | 37 | SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
6513f97f BV |
38 | }; |
39 | ||
2631d932 GS |
40 | /* |
41 | * BEWARE! "T1-T2" looks like a range, and is probably not a good | |
42 | * channel name. Using it in sigrok-cli -C specs is troublesome. Use | |
43 | * "delta" instead? -- But OTOH channels are not selected by the | |
44 | * software. Instead received packets just reflect the one channel | |
45 | * that manually was selected by the user via the device's buttons. | |
46 | * So the name is not a blocker, and it matches the labels on the | |
47 | * device and in the manual. So we can get away with it. | |
48 | */ | |
0f34cb47 UH |
49 | static const char *channel_names[] = { |
50 | "T1", "T2", "T1-T2", | |
6513f97f BV |
51 | }; |
52 | ||
53 | static const char *data_sources[] = { | |
f8195cb2 | 54 | "Live", "Memory", |
6513f97f BV |
55 | }; |
56 | ||
4f840ce9 | 57 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
3877dde4 | 58 | { |
164c5ae5 | 59 | const char *conn, *serialcomm; |
6513f97f | 60 | struct sr_config *src; |
164c5ae5 GS |
61 | GSList *l, *devices; |
62 | struct sr_serial_dev_inst *serial; | |
63 | int rc; | |
64 | struct sr_dev_inst *sdi; | |
65 | struct dev_context *devc; | |
66 | size_t i; | |
3877dde4 | 67 | |
a89884c1 GS |
68 | /* |
69 | * Implementor's note: Do _not_ add a default conn value here, | |
70 | * always expect users to specify the connection. Otherwise the | |
71 | * UT32x driver's scan routine results in false positives, will | |
72 | * match _any_ UT-D04 cable which uses the same USB HID chip. | |
73 | */ | |
74 | conn = NULL; | |
164c5ae5 | 75 | serialcomm = "2400/8n1"; |
6513f97f BV |
76 | for (l = options; l; l = l->next) { |
77 | src = l->data; | |
78 | switch (src->key) { | |
79 | case SR_CONF_CONN: | |
80 | conn = g_variant_get_string(src->data, NULL); | |
81 | break; | |
164c5ae5 GS |
82 | case SR_CONF_SERIALCOMM: |
83 | serialcomm = g_variant_get_string(src->data, NULL); | |
84 | break; | |
6513f97f BV |
85 | } |
86 | } | |
a89884c1 GS |
87 | if (!conn) |
88 | return NULL; | |
6513f97f BV |
89 | |
90 | devices = NULL; | |
164c5ae5 GS |
91 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
92 | rc = serial_open(serial, SERIAL_RDWR); | |
164c5ae5 GS |
93 | /* Cannot query/identify the device. Successful open shall suffice. */ |
94 | serial_close(serial); | |
95 | if (rc != SR_OK) { | |
96 | sr_serial_dev_inst_free(serial); | |
97 | return devices; | |
6513f97f | 98 | } |
3877dde4 | 99 | |
164c5ae5 GS |
100 | sdi = g_malloc0(sizeof(*sdi)); |
101 | sdi->status = SR_ST_INACTIVE; | |
102 | sdi->vendor = g_strdup("UNI-T"); | |
103 | sdi->model = g_strdup("UT32x"); | |
104 | sdi->inst_type = SR_INST_SERIAL; | |
105 | sdi->conn = serial; | |
106 | devc = g_malloc0(sizeof(*devc)); | |
107 | sdi->priv = devc; | |
108 | sr_sw_limits_init(&devc->limits); | |
109 | devc->data_source = DEFAULT_DATA_SOURCE; | |
110 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) { | |
111 | sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, | |
112 | channel_names[i]); | |
6513f97f | 113 | } |
164c5ae5 | 114 | devices = g_slist_append(devices, sdi); |
3877dde4 | 115 | |
164c5ae5 | 116 | return std_scan_complete(di, devices); |
3877dde4 BV |
117 | } |
118 | ||
dd7a72ea UH |
119 | static int config_get(uint32_t key, GVariant **data, |
120 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
3877dde4 | 121 | { |
6513f97f | 122 | struct dev_context *devc; |
3877dde4 | 123 | |
53b4680f | 124 | (void)cg; |
d3c74a6f | 125 | |
6513f97f | 126 | devc = sdi->priv; |
3877dde4 | 127 | switch (key) { |
6513f97f | 128 | case SR_CONF_LIMIT_SAMPLES: |
9e111972 GS |
129 | case SR_CONF_LIMIT_MSEC: |
130 | return sr_sw_limits_config_get(&devc->limits, key, data); | |
6513f97f | 131 | case SR_CONF_DATA_SOURCE: |
9e111972 | 132 | *data = g_variant_new_string(data_sources[devc->data_source]); |
6513f97f | 133 | break; |
3877dde4 BV |
134 | default: |
135 | return SR_ERR_NA; | |
136 | } | |
137 | ||
6513f97f | 138 | return SR_OK; |
3877dde4 BV |
139 | } |
140 | ||
dd7a72ea UH |
141 | static int config_set(uint32_t key, GVariant *data, |
142 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
3877dde4 | 143 | { |
6513f97f | 144 | struct dev_context *devc; |
697fb6dd | 145 | int idx; |
3877dde4 | 146 | |
53b4680f | 147 | (void)cg; |
d3c74a6f | 148 | |
6513f97f | 149 | devc = sdi->priv; |
dcd438ee | 150 | |
3877dde4 | 151 | switch (key) { |
6513f97f | 152 | case SR_CONF_LIMIT_SAMPLES: |
9e111972 GS |
153 | case SR_CONF_LIMIT_MSEC: |
154 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
6513f97f | 155 | case SR_CONF_DATA_SOURCE: |
697fb6dd UH |
156 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(data_sources))) < 0) |
157 | return SR_ERR_ARG; | |
158 | devc->data_source = idx; | |
6513f97f | 159 | break; |
3877dde4 | 160 | default: |
dcd438ee | 161 | return SR_ERR_NA; |
3877dde4 BV |
162 | } |
163 | ||
dcd438ee | 164 | return SR_OK; |
3877dde4 BV |
165 | } |
166 | ||
dd7a72ea UH |
167 | static int config_list(uint32_t key, GVariant **data, |
168 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
3877dde4 | 169 | { |
3877dde4 | 170 | switch (key) { |
40bbf635 | 171 | case SR_CONF_SCAN_OPTIONS: |
6513f97f | 172 | case SR_CONF_DEVICE_OPTIONS: |
05199c0a | 173 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
6513f97f | 174 | case SR_CONF_DATA_SOURCE: |
53012da6 | 175 | *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources)); |
6513f97f | 176 | break; |
3877dde4 BV |
177 | default: |
178 | return SR_ERR_NA; | |
179 | } | |
180 | ||
6513f97f | 181 | return SR_OK; |
3877dde4 BV |
182 | } |
183 | ||
695dc859 | 184 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3877dde4 | 185 | { |
6513f97f | 186 | struct dev_context *devc; |
164c5ae5 GS |
187 | struct sr_serial_dev_inst *serial; |
188 | uint8_t cmd; | |
3877dde4 | 189 | |
6513f97f | 190 | devc = sdi->priv; |
164c5ae5 | 191 | serial = sdi->conn; |
6513f97f | 192 | |
9e111972 | 193 | sr_sw_limits_acquisition_start(&devc->limits); |
d6ff054a | 194 | devc->packet_len = 0; |
bee2b016 | 195 | std_session_send_df_header(sdi); |
6513f97f | 196 | |
6513f97f | 197 | if (devc->data_source == DATA_SOURCE_LIVE) |
164c5ae5 | 198 | cmd = CMD_GET_LIVE; |
6513f97f | 199 | else |
164c5ae5 GS |
200 | cmd = CMD_GET_STORED; |
201 | serial_write_blocking(serial, &cmd, sizeof(cmd), 0); | |
3877dde4 | 202 | |
164c5ae5 GS |
203 | serial_source_add(sdi->session, serial, G_IO_IN, 10, |
204 | ut32x_handle_events, (void *)sdi); | |
d6ff054a | 205 | |
3877dde4 BV |
206 | return SR_OK; |
207 | } | |
208 | ||
695dc859 | 209 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3877dde4 | 210 | { |
164c5ae5 | 211 | /* Have the reception routine stop the acquisition. */ |
d6ff054a | 212 | sdi->status = SR_ST_STOPPING; |
3877dde4 BV |
213 | |
214 | return SR_OK; | |
215 | } | |
216 | ||
dd5c48a6 | 217 | static struct sr_dev_driver uni_t_ut32x_driver_info = { |
3877dde4 BV |
218 | .name = "uni-t-ut32x", |
219 | .longname = "UNI-T UT32x", | |
220 | .api_version = 1, | |
c2fdcc25 | 221 | .init = std_init, |
700d6b64 | 222 | .cleanup = std_cleanup, |
3877dde4 | 223 | .scan = scan, |
c01bf34c | 224 | .dev_list = std_dev_list, |
f778bf02 | 225 | .dev_clear = std_dev_clear, |
3877dde4 BV |
226 | .config_get = config_get, |
227 | .config_set = config_set, | |
228 | .config_list = config_list, | |
164c5ae5 GS |
229 | .dev_open = std_serial_dev_open, |
230 | .dev_close = std_serial_dev_close, | |
3877dde4 BV |
231 | .dev_acquisition_start = dev_acquisition_start, |
232 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 233 | .context = NULL, |
3877dde4 | 234 | }; |
dd5c48a6 | 235 | SR_REGISTER_DEV_DRIVER(uni_t_ut32x_driver_info); |