2 * This file is part of the libsigrok project.
4 * Copyright (C) 2014 Aurelien Jacobs <aurel@gnuage.org>
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.
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.
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/>.
23 #define BRYMEN_BC86X "0820.0001"
25 static const uint32_t scanopts[] = {
29 static const uint32_t drvopts[] = {
33 static const uint32_t devopts[] = {
35 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
36 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
39 static GSList *scan(struct sr_dev_driver *di, GSList *options)
41 GSList *usb_devices, *devices, *l;
42 struct drv_context *drvc;
43 struct dev_context *devc;
44 struct sr_dev_inst *sdi;
45 struct sr_usb_dev_inst *usb;
46 struct sr_config *src;
52 for (l = options; l; l = l->next) {
56 conn = g_variant_get_string(src->data, NULL);
62 if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn)))
65 for (l = usb_devices; l; l = l->next) {
68 sdi = g_malloc0(sizeof(struct sr_dev_inst));
69 sdi->status = SR_ST_INACTIVE;
70 sdi->vendor = g_strdup("Brymen");
71 sdi->model = g_strdup("BM869");
72 devc = g_malloc0(sizeof(struct dev_context));
74 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
75 sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "P2");
77 sdi->inst_type = SR_INST_USB;
80 sr_sw_limits_init(&devc->sw_limits);
82 devices = g_slist_append(devices, sdi);
85 return std_scan_complete(di, devices);
88 static int dev_open(struct sr_dev_inst *sdi)
90 struct sr_dev_driver *di = sdi->driver;
91 struct drv_context *drvc = di->context;
92 struct sr_usb_dev_inst *usb;
93 struct dev_context *devc;
99 if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) < 0)
102 if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) {
103 ret = libusb_detach_kernel_driver(usb->devhdl, 0);
105 sr_err("Failed to detach kernel driver: %s.",
106 libusb_error_name(ret));
109 devc->detached_kernel_driver = 1;
112 if ((ret = libusb_claim_interface(usb->devhdl, 0)) < 0) {
113 sr_err("Failed to claim interface 0: %s.",
114 libusb_error_name(ret));
121 static int dev_close(struct sr_dev_inst *sdi)
123 struct sr_usb_dev_inst *usb;
124 struct dev_context *devc;
133 if ((ret = libusb_release_interface(usb->devhdl, 0)))
134 sr_err("Failed to release interface 0: %s.\n", libusb_error_name(ret));
136 if (!ret && devc->detached_kernel_driver) {
137 if ((ret = libusb_attach_kernel_driver(usb->devhdl, 0)))
138 sr_err("Failed to attach kernel driver: %s.\n",
139 libusb_error_name(ret));
141 devc->detached_kernel_driver = 0;
144 libusb_close(usb->devhdl);
146 return (ret == 0) ? SR_OK : SR_ERR;
149 static int config_get(uint32_t key, GVariant **data,
150 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
152 struct dev_context *devc = sdi->priv;
156 return sr_sw_limits_config_get(&devc->sw_limits, key, data);
159 static int config_set(uint32_t key, GVariant *data,
160 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
162 struct dev_context *devc;
168 return sr_sw_limits_config_set(&devc->sw_limits, key, data);
171 static int config_list(uint32_t key, GVariant **data,
172 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
174 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
177 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
179 struct dev_context *devc;
183 sr_sw_limits_acquisition_start(&devc->sw_limits);
185 std_session_send_df_header(sdi);
187 sr_session_source_add(sdi->session, -1, 0, 10,
188 brymen_bm86x_receive_data, (void *)sdi);
193 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
195 std_session_send_df_end(sdi);
197 sr_session_source_remove(sdi->session, -1);
202 static struct sr_dev_driver brymen_bm86x_driver_info = {
203 .name = "brymen-bm86x",
204 .longname = "Brymen BM86X",
207 .cleanup = std_cleanup,
209 .dev_list = std_dev_list,
210 .dev_clear = std_dev_clear,
211 .config_get = config_get,
212 .config_set = config_set,
213 .config_list = config_list,
214 .dev_open = dev_open,
215 .dev_close = dev_close,
216 .dev_acquisition_start = dev_acquisition_start,
217 .dev_acquisition_stop = dev_acquisition_stop,
220 SR_REGISTER_DEV_DRIVER(brymen_bm86x_driver_info);