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c527132a SBO |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2018 Sven Bursch-Osewold <sb_git@bursch.com> | |
ab3e9c8a | 5 | * Copyright (C) 2019 King Kévin <kingkevin@cuvoodoo.info> |
c527132a SBO |
6 | * |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #include <config.h> | |
22 | #include "protocol.h" | |
23 | ||
9890fb1f SBO |
24 | static const uint32_t scanopts[] = { |
25 | SR_CONF_CONN, | |
26 | SR_CONF_SERIALCOMM, | |
27 | }; | |
c527132a | 28 | |
9890fb1f SBO |
29 | static const uint32_t drvopts[] = { |
30 | SR_CONF_ELECTRONIC_LOAD, | |
31 | }; | |
c527132a | 32 | |
9890fb1f SBO |
33 | static const uint32_t devopts[] = { |
34 | SR_CONF_CONTINUOUS, | |
35 | SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
ab3e9c8a | 36 | SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
9890fb1f SBO |
37 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
38 | }; | |
c527132a | 39 | |
9890fb1f SBO |
40 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
41 | { | |
42 | struct dev_context *devc; | |
43 | GSList *l; | |
44 | struct sr_dev_inst *sdi; | |
45 | const char *conn, *serialcomm; | |
46 | struct sr_config *src; | |
47 | struct sr_serial_dev_inst *serial; | |
ab3e9c8a | 48 | uint8_t reply[MSG_MAX_LEN]; |
9890fb1f SBO |
49 | |
50 | conn = NULL; | |
51 | serialcomm = NULL; | |
52 | ||
53 | for (l = options; l; l = l->next) { | |
54 | src = l->data; | |
55 | switch (src->key) { | |
56 | case SR_CONF_CONN: | |
57 | conn = g_variant_get_string(src->data, NULL); | |
58 | break; | |
59 | case SR_CONF_SERIALCOMM: | |
60 | serialcomm = g_variant_get_string(src->data, NULL); | |
61 | break; | |
62 | } | |
63 | } | |
c527132a | 64 | |
9890fb1f SBO |
65 | if (!conn) |
66 | return NULL; | |
67 | if (!serialcomm) | |
68 | serialcomm = "9600/8e1"; | |
69 | ||
70 | serial = sr_serial_dev_inst_new(conn, serialcomm); | |
71 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
72 | return NULL; | |
73 | ||
74 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
75 | sdi->status = SR_ST_INACTIVE; | |
76 | sdi->vendor = g_strdup("ZKETECH"); | |
77 | sdi->model = g_strdup("EBD-USB"); | |
78 | sdi->inst_type = SR_INST_SERIAL; | |
79 | sdi->conn = serial; | |
80 | ||
ab3e9c8a KK |
81 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V.VBUS"); |
82 | sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I.VBUS"); | |
83 | sr_channel_new(sdi, 2, SR_CHANNEL_ANALOG, TRUE, "V.D+"); | |
84 | sr_channel_new(sdi, 3, SR_CHANNEL_ANALOG, TRUE, "V.D-"); | |
9890fb1f SBO |
85 | |
86 | devc = g_malloc0(sizeof(struct dev_context)); | |
87 | g_mutex_init(&devc->rw_mutex); | |
88 | devc->current_limit = 0; | |
4df6f174 | 89 | devc->uvc_threshold = 0; |
9890fb1f SBO |
90 | devc->running = FALSE; |
91 | devc->load_activated = FALSE; | |
92 | sr_sw_limits_init(&devc->limits); | |
93 | sdi->priv = devc; | |
94 | ||
95 | /* Starting device. */ | |
330a32b2 | 96 | ebd_init(serial, devc); |
ab3e9c8a KK |
97 | int ret = ebd_read_message(serial, MSG_MAX_LEN, reply); |
98 | if (ret < 0) { | |
99 | sr_warn("Could not receive message!"); | |
100 | ret = SR_ERR; | |
4df6f174 | 101 | } else if (ret == 0) { |
ab3e9c8a | 102 | sr_warn("No message received!"); |
9890fb1f SBO |
103 | ret = SR_ERR; |
104 | } | |
330a32b2 | 105 | ebd_stop(serial, devc); |
c527132a | 106 | |
9890fb1f | 107 | serial_close(serial); |
c527132a | 108 | |
9890fb1f SBO |
109 | if (ret < 0) |
110 | return NULL; | |
c527132a | 111 | |
9890fb1f | 112 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
c527132a SBO |
113 | } |
114 | ||
115 | static int dev_close(struct sr_dev_inst *sdi) | |
116 | { | |
9890fb1f | 117 | struct dev_context *devc; |
c527132a | 118 | |
9890fb1f SBO |
119 | devc = (sdi) ? sdi->priv : NULL; |
120 | if (devc) | |
121 | g_mutex_clear(&devc->rw_mutex); | |
c527132a | 122 | |
9890fb1f | 123 | return std_serial_dev_close(sdi); |
c527132a SBO |
124 | } |
125 | ||
126 | static int config_get(uint32_t key, GVariant **data, | |
127 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
128 | { | |
129 | int ret; | |
9890fb1f SBO |
130 | struct dev_context *devc; |
131 | float fvalue; | |
c527132a | 132 | |
c527132a SBO |
133 | (void)cg; |
134 | ||
9890fb1f SBO |
135 | if (!sdi || !data) |
136 | return SR_ERR_ARG; | |
137 | ||
138 | devc = sdi->priv; | |
139 | ||
c527132a | 140 | switch (key) { |
9890fb1f SBO |
141 | case SR_CONF_LIMIT_SAMPLES: |
142 | case SR_CONF_LIMIT_MSEC: | |
143 | return sr_sw_limits_config_get(&devc->limits, key, data); | |
144 | case SR_CONF_CURRENT_LIMIT: | |
330a32b2 | 145 | ret = ebd_get_current_limit(sdi, &fvalue); |
9890fb1f SBO |
146 | if (ret == SR_OK) |
147 | *data = g_variant_new_double(fvalue); | |
148 | return ret; | |
ab3e9c8a | 149 | case SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD: |
4df6f174 | 150 | ret = ebd_get_uvc_threshold(sdi, &fvalue); |
ab3e9c8a KK |
151 | if (ret == SR_OK) |
152 | *data = g_variant_new_double(fvalue); | |
153 | return ret; | |
c527132a SBO |
154 | default: |
155 | return SR_ERR_NA; | |
156 | } | |
c527132a SBO |
157 | } |
158 | ||
159 | static int config_set(uint32_t key, GVariant *data, | |
160 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
161 | { | |
9890fb1f SBO |
162 | double value; |
163 | struct dev_context *devc; | |
c527132a | 164 | |
c527132a SBO |
165 | (void)data; |
166 | (void)cg; | |
167 | ||
9890fb1f SBO |
168 | devc = sdi->priv; |
169 | ||
c527132a | 170 | switch (key) { |
9890fb1f SBO |
171 | case SR_CONF_LIMIT_MSEC: |
172 | case SR_CONF_LIMIT_SAMPLES: | |
173 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
174 | case SR_CONF_CURRENT_LIMIT: | |
175 | value = g_variant_get_double(data); | |
176 | if (value < 0.0 || value > 4.0) | |
177 | return SR_ERR_ARG; | |
330a32b2 | 178 | return ebd_set_current_limit(sdi, value); |
ab3e9c8a KK |
179 | case SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD: |
180 | value = g_variant_get_double(data); | |
181 | if (value < 0.0 || value > 21.0) | |
182 | return SR_ERR_ARG; | |
4df6f174 | 183 | return ebd_set_uvc_threshold(sdi, value); |
c527132a | 184 | default: |
9890fb1f | 185 | return SR_ERR_NA; |
c527132a | 186 | } |
c527132a SBO |
187 | } |
188 | ||
189 | static int config_list(uint32_t key, GVariant **data, | |
190 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
191 | { | |
c527132a | 192 | switch (key) { |
9890fb1f SBO |
193 | case SR_CONF_SCAN_OPTIONS: |
194 | case SR_CONF_DEVICE_OPTIONS: | |
4df6f174 FS |
195 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, |
196 | devopts); | |
9890fb1f | 197 | case SR_CONF_CURRENT_LIMIT: |
ab3e9c8a KK |
198 | *data = std_gvar_min_max_step(0.0, 4.0, 0.001); |
199 | break; | |
200 | case SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD: | |
201 | *data = std_gvar_min_max_step(0.0, 21.0, 0.01); | |
9890fb1f | 202 | break; |
c527132a SBO |
203 | default: |
204 | return SR_ERR_NA; | |
205 | } | |
206 | ||
9890fb1f | 207 | return SR_OK; |
c527132a SBO |
208 | } |
209 | ||
210 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
211 | { | |
9890fb1f SBO |
212 | struct dev_context *devc; |
213 | struct sr_serial_dev_inst *serial; | |
214 | ||
215 | devc = sdi->priv; | |
216 | serial = sdi->conn; | |
217 | ||
218 | sr_sw_limits_acquisition_start(&devc->limits); | |
219 | std_session_send_df_header(sdi); | |
c527132a | 220 | |
330a32b2 | 221 | ebd_init(serial, devc); |
9890fb1f SBO |
222 | |
223 | serial_source_add(sdi->session, serial, G_IO_IN, 100, | |
330a32b2 | 224 | ebd_receive_data, (void *)sdi); |
c527132a SBO |
225 | |
226 | return SR_OK; | |
227 | } | |
228 | ||
229 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
230 | { | |
ab3e9c8a KK |
231 | struct dev_context *devc; |
232 | ||
233 | if (sdi) { | |
234 | devc = sdi->priv; | |
4df6f174 | 235 | if (devc->load_activated) |
ab3e9c8a | 236 | ebd_loadtoggle(sdi->conn, devc); |
ab3e9c8a KK |
237 | ebd_stop(sdi->conn, devc); |
238 | } | |
c527132a | 239 | |
9890fb1f | 240 | return std_serial_dev_acquisition_stop(sdi); |
c527132a SBO |
241 | } |
242 | ||
3f34a402 | 243 | static struct sr_dev_driver zketech_ebd_usb_driver_info = { |
c527132a SBO |
244 | .name = "zketech-ebd-usb", |
245 | .longname = "ZKETECH EBD-USB", | |
246 | .api_version = 1, | |
247 | .init = std_init, | |
248 | .cleanup = std_cleanup, | |
249 | .scan = scan, | |
250 | .dev_list = std_dev_list, | |
251 | .dev_clear = std_dev_clear, | |
252 | .config_get = config_get, | |
253 | .config_set = config_set, | |
254 | .config_list = config_list, | |
9890fb1f | 255 | .dev_open = std_serial_dev_open, |
c527132a SBO |
256 | .dev_close = dev_close, |
257 | .dev_acquisition_start = dev_acquisition_start, | |
258 | .dev_acquisition_stop = dev_acquisition_stop, | |
259 | .context = NULL, | |
260 | }; | |
c527132a | 261 | SR_REGISTER_DEV_DRIVER(zketech_ebd_usb_driver_info); |