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8d9c8554 AJ |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2014 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> |
8d9c8554 AJ |
21 | #include "protocol.h" |
22 | ||
ecaa89af AJ |
23 | #define BRYMEN_BC86X "0820.0001" |
24 | ||
a0e0bb41 | 25 | static const uint32_t scanopts[] = { |
ecaa89af AJ |
26 | SR_CONF_CONN, |
27 | }; | |
28 | ||
f254bc4b | 29 | static const uint32_t devopts[] = { |
ecaa89af | 30 | SR_CONF_MULTIMETER, |
ecaa89af | 31 | SR_CONF_CONTINUOUS, |
5827f61b BV |
32 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
33 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
ecaa89af AJ |
34 | }; |
35 | ||
8d9c8554 | 36 | SR_PRIV struct sr_dev_driver brymen_bm86x_driver_info; |
8d9c8554 | 37 | |
4f840ce9 | 38 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
8d9c8554 | 39 | { |
1f8f5bc0 | 40 | return std_init(di, sr_ctx, LOG_PREFIX); |
8d9c8554 AJ |
41 | } |
42 | ||
4f840ce9 | 43 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
8d9c8554 | 44 | { |
ecaa89af | 45 | GSList *usb_devices, *devices, *l; |
8d9c8554 | 46 | struct drv_context *drvc; |
ecaa89af AJ |
47 | struct dev_context *devc; |
48 | struct sr_dev_inst *sdi; | |
49 | struct sr_usb_dev_inst *usb; | |
50 | struct sr_config *src; | |
ecaa89af | 51 | const char *conn; |
8d9c8554 | 52 | |
41812aca | 53 | drvc = di->context; |
8d9c8554 AJ |
54 | drvc->instances = NULL; |
55 | ||
ecaa89af AJ |
56 | conn = BRYMEN_BC86X; |
57 | for (l = options; l; l = l->next) { | |
58 | src = l->data; | |
59 | switch (src->key) { | |
60 | case SR_CONF_CONN: | |
61 | conn = g_variant_get_string(src->data, NULL); | |
62 | break; | |
63 | } | |
64 | } | |
65 | ||
66 | devices = NULL; | |
67 | if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) { | |
68 | g_slist_free_full(usb_devices, g_free); | |
69 | return NULL; | |
70 | } | |
71 | ||
72 | for (l = usb_devices; l; l = l->next) { | |
73 | usb = l->data; | |
74 | ||
aac29cc1 | 75 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
76 | sdi->status = SR_ST_INACTIVE; |
77 | sdi->vendor = g_strdup("Brymen"); | |
78 | sdi->model = g_strdup("BM869"); | |
f57d8ffe | 79 | devc = g_malloc0(sizeof(struct dev_context)); |
ecaa89af AJ |
80 | sdi->priv = devc; |
81 | sdi->driver = di; | |
5e23fcab ML |
82 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
83 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P2"); | |
ecaa89af AJ |
84 | |
85 | sdi->inst_type = SR_INST_USB; | |
86 | sdi->conn = usb; | |
87 | ||
ab939ebb LPC |
88 | sr_sw_limits_init(&devc->sw_limits); |
89 | ||
ecaa89af AJ |
90 | drvc->instances = g_slist_append(drvc->instances, sdi); |
91 | devices = g_slist_append(devices, sdi); | |
92 | } | |
8d9c8554 AJ |
93 | |
94 | return devices; | |
95 | } | |
96 | ||
8d9c8554 AJ |
97 | static int dev_open(struct sr_dev_inst *sdi) |
98 | { | |
4f840ce9 | 99 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 100 | struct drv_context *drvc = di->context; |
ecaa89af AJ |
101 | struct sr_usb_dev_inst *usb; |
102 | struct dev_context *devc; | |
103 | int ret; | |
8d9c8554 | 104 | |
ecaa89af AJ |
105 | usb = sdi->conn; |
106 | devc = sdi->priv; | |
107 | ||
108 | if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK) | |
109 | sdi->status = SR_ST_ACTIVE; | |
6d930b41 AJ |
110 | else |
111 | return SR_ERR; | |
ecaa89af AJ |
112 | |
113 | /* Detach kernel drivers which grabbed this device (if any). */ | |
114 | if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) { | |
115 | ret = libusb_detach_kernel_driver(usb->devhdl, 0); | |
116 | if (ret < 0) { | |
117 | sr_err("Failed to detach kernel driver: %s.", | |
118 | libusb_error_name(ret)); | |
119 | return SR_ERR; | |
120 | } | |
121 | devc->detached_kernel_driver = 1; | |
122 | sr_dbg("Successfully detached kernel driver."); | |
123 | } else { | |
124 | sr_dbg("No need to detach a kernel driver."); | |
125 | } | |
8d9c8554 | 126 | |
ecaa89af AJ |
127 | /* Claim interface 0. */ |
128 | if ((ret = libusb_claim_interface(usb->devhdl, 0)) < 0) { | |
129 | sr_err("Failed to claim interface 0: %s.", | |
130 | libusb_error_name(ret)); | |
131 | return SR_ERR; | |
132 | } | |
133 | sr_dbg("Successfully claimed interface 0."); | |
8d9c8554 | 134 | |
ecaa89af | 135 | return ret; |
8d9c8554 AJ |
136 | } |
137 | ||
138 | static int dev_close(struct sr_dev_inst *sdi) | |
139 | { | |
ecaa89af AJ |
140 | struct sr_usb_dev_inst *usb; |
141 | struct dev_context *devc; | |
142 | int ret; | |
143 | ||
6d930b41 AJ |
144 | if (sdi->status != SR_ST_ACTIVE) |
145 | return SR_ERR_DEV_CLOSED; | |
146 | ||
ecaa89af AJ |
147 | usb = sdi->conn; |
148 | devc = sdi->priv; | |
149 | ||
150 | if ((ret = libusb_release_interface(usb->devhdl, 0))) | |
151 | sr_err("Failed to release interface 0: %s.\n", libusb_error_name(ret)); | |
152 | else | |
153 | sr_dbg("Successfully released interface 0.\n"); | |
154 | ||
155 | if (!ret && devc->detached_kernel_driver) { | |
156 | if ((ret = libusb_attach_kernel_driver(usb->devhdl, 0))) { | |
157 | sr_err("Failed to attach kernel driver: %s.\n", | |
158 | libusb_error_name(ret)); | |
159 | } else { | |
160 | devc->detached_kernel_driver = 0; | |
161 | sr_dbg("Successfully attached kernel driver.\n"); | |
162 | } | |
163 | } | |
8d9c8554 | 164 | |
ecaa89af | 165 | libusb_close(usb->devhdl); |
8d9c8554 AJ |
166 | |
167 | sdi->status = SR_ST_INACTIVE; | |
168 | ||
ecaa89af | 169 | return ret; |
8d9c8554 AJ |
170 | } |
171 | ||
584560f1 | 172 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 173 | const struct sr_channel_group *cg) |
8d9c8554 | 174 | { |
ecaa89af | 175 | struct dev_context *devc = sdi->priv; |
8d9c8554 | 176 | |
53b4680f | 177 | (void)cg; |
8d9c8554 | 178 | |
ab939ebb | 179 | return sr_sw_limits_config_get(&devc->sw_limits, key, data); |
8d9c8554 AJ |
180 | } |
181 | ||
584560f1 | 182 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 183 | const struct sr_channel_group *cg) |
8d9c8554 | 184 | { |
ecaa89af | 185 | struct dev_context *devc; |
8d9c8554 | 186 | |
53b4680f | 187 | (void)cg; |
8d9c8554 AJ |
188 | |
189 | if (sdi->status != SR_ST_ACTIVE) | |
190 | return SR_ERR_DEV_CLOSED; | |
191 | ||
ecaa89af AJ |
192 | if (!(devc = sdi->priv)) { |
193 | sr_err("sdi->priv was NULL."); | |
194 | return SR_ERR_BUG; | |
195 | } | |
196 | ||
ab939ebb | 197 | return sr_sw_limits_config_set(&devc->sw_limits, key, data); |
8d9c8554 AJ |
198 | } |
199 | ||
584560f1 | 200 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 201 | const struct sr_channel_group *cg) |
8d9c8554 | 202 | { |
8d9c8554 | 203 | (void)sdi; |
53b4680f | 204 | (void)cg; |
8d9c8554 | 205 | |
8d9c8554 | 206 | switch (key) { |
ecaa89af | 207 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 208 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 209 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
ecaa89af AJ |
210 | break; |
211 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 212 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 213 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
ecaa89af | 214 | break; |
8d9c8554 AJ |
215 | default: |
216 | return SR_ERR_NA; | |
217 | } | |
218 | ||
ecaa89af | 219 | return SR_OK; |
8d9c8554 AJ |
220 | } |
221 | ||
695dc859 | 222 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
8d9c8554 | 223 | { |
ecaa89af | 224 | struct dev_context *devc; |
8d9c8554 AJ |
225 | |
226 | if (sdi->status != SR_ST_ACTIVE) | |
227 | return SR_ERR_DEV_CLOSED; | |
228 | ||
ecaa89af | 229 | devc = sdi->priv; |
ab939ebb LPC |
230 | |
231 | sr_sw_limits_acquisition_start(&devc->sw_limits); | |
ecaa89af | 232 | |
102f1239 | 233 | std_session_send_df_header(sdi, LOG_PREFIX); |
ecaa89af | 234 | |
c650d3ec | 235 | sr_session_source_add(sdi->session, -1, 0, 10, |
102f1239 | 236 | brymen_bm86x_receive_data, (void *)sdi); |
8d9c8554 AJ |
237 | |
238 | return SR_OK; | |
239 | } | |
240 | ||
695dc859 | 241 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
8d9c8554 | 242 | { |
8d9c8554 AJ |
243 | if (sdi->status != SR_ST_ACTIVE) |
244 | return SR_ERR_DEV_CLOSED; | |
245 | ||
3be42bc2 | 246 | std_session_send_df_end(sdi, LOG_PREFIX); |
ecaa89af | 247 | |
dd7a4a71 | 248 | sr_session_source_remove(sdi->session, -1); |
8d9c8554 AJ |
249 | |
250 | return SR_OK; | |
251 | } | |
252 | ||
253 | SR_PRIV struct sr_dev_driver brymen_bm86x_driver_info = { | |
254 | .name = "brymen-bm86x", | |
255 | .longname = "Brymen BM86X", | |
256 | .api_version = 1, | |
257 | .init = init, | |
700d6b64 | 258 | .cleanup = std_cleanup, |
8d9c8554 | 259 | .scan = scan, |
c01bf34c | 260 | .dev_list = std_dev_list, |
0ab70260 | 261 | .dev_clear = NULL, |
8d9c8554 AJ |
262 | .config_get = config_get, |
263 | .config_set = config_set, | |
264 | .config_list = config_list, | |
265 | .dev_open = dev_open, | |
266 | .dev_close = dev_close, | |
267 | .dev_acquisition_start = dev_acquisition_start, | |
268 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 269 | .context = NULL, |
8d9c8554 | 270 | }; |