+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2014 Aurelien Jacobs <aurel@gnuage.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "protocol.h"
-
-#define BRYMEN_BC86X "0820.0001"
-
-static const int32_t hwopts[] = {
- SR_CONF_CONN,
-};
-
-static const int32_t hwcaps[] = {
- SR_CONF_MULTIMETER,
- SR_CONF_LIMIT_SAMPLES,
- SR_CONF_LIMIT_MSEC,
- SR_CONF_CONTINUOUS,
-};
-
-SR_PRIV struct sr_dev_driver brymen_bm86x_driver_info;
-static struct sr_dev_driver *di = &brymen_bm86x_driver_info;
-
-static int init(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static GSList *scan(GSList *options)
-{
- GSList *usb_devices, *devices, *l;
- struct drv_context *drvc;
- struct dev_context *devc;
- struct sr_dev_inst *sdi;
- struct sr_usb_dev_inst *usb;
- struct sr_config *src;
- struct sr_channel *ch;
- const char *conn;
-
- drvc = di->priv;
- drvc->instances = NULL;
-
- conn = BRYMEN_BC86X;
- for (l = options; l; l = l->next) {
- src = l->data;
- switch (src->key) {
- case SR_CONF_CONN:
- conn = g_variant_get_string(src->data, NULL);
- break;
- }
- }
-
- devices = NULL;
- if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
- g_slist_free_full(usb_devices, g_free);
- return NULL;
- }
-
- for (l = usb_devices; l; l = l->next) {
- usb = l->data;
-
- if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
- "Brymen", "BM869", NULL))) {
- sr_err("sr_dev_inst_new returned NULL.");
- return NULL;
- }
-
- if (!(devc = g_try_malloc0(sizeof(*devc)))) {
- sr_err("Device context malloc failed.");
- return NULL;
- }
-
- sdi->priv = devc;
- sdi->driver = di;
- if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
- return NULL;
- sdi->channels = g_slist_append(sdi->channels, ch);
- if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P2")))
- return NULL;
- sdi->channels = g_slist_append(sdi->channels, ch);
-
- sdi->inst_type = SR_INST_USB;
- sdi->conn = usb;
-
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devices = g_slist_append(devices, sdi);
- }
-
- return devices;
-}
-
-static GSList *dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
- struct drv_context *drvc = di->priv;
- struct sr_usb_dev_inst *usb;
- struct dev_context *devc;
- int ret;
-
- usb = sdi->conn;
- devc = sdi->priv;
-
- if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
- sdi->status = SR_ST_ACTIVE;
-
- /* Detach kernel drivers which grabbed this device (if any). */
- if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) {
- ret = libusb_detach_kernel_driver(usb->devhdl, 0);
- if (ret < 0) {
- sr_err("Failed to detach kernel driver: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
- devc->detached_kernel_driver = 1;
- sr_dbg("Successfully detached kernel driver.");
- } else {
- sr_dbg("No need to detach a kernel driver.");
- }
-
- /* Claim interface 0. */
- if ((ret = libusb_claim_interface(usb->devhdl, 0)) < 0) {
- sr_err("Failed to claim interface 0: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
- sr_dbg("Successfully claimed interface 0.");
-
- return ret;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
- struct sr_usb_dev_inst *usb;
- struct dev_context *devc;
- int ret;
-
- usb = sdi->conn;
- devc = sdi->priv;
-
- if ((ret = libusb_release_interface(usb->devhdl, 0)))
- sr_err("Failed to release interface 0: %s.\n", libusb_error_name(ret));
- else
- sr_dbg("Successfully released interface 0.\n");
-
- if (!ret && devc->detached_kernel_driver) {
- if ((ret = libusb_attach_kernel_driver(usb->devhdl, 0))) {
- sr_err("Failed to attach kernel driver: %s.\n",
- libusb_error_name(ret));
- } else {
- devc->detached_kernel_driver = 0;
- sr_dbg("Successfully attached kernel driver.\n");
- }
- }
-
- libusb_close(usb->devhdl);
-
- sdi->status = SR_ST_INACTIVE;
-
- return ret;
-}
-
-static int cleanup(void)
-{
- return std_dev_clear(di, NULL);
-}
-
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- struct dev_context *devc = sdi->priv;
-
- (void)cg;
-
- switch (key) {
- case SR_CONF_LIMIT_SAMPLES:
- *data = g_variant_new_uint64(devc->limit_samples);
- break;
- case SR_CONF_LIMIT_MSEC:
- *data = g_variant_new_uint64(devc->limit_msec);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
-
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- struct dev_context *devc;
-
- (void)cg;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- switch (key) {
- case SR_CONF_LIMIT_SAMPLES:
- devc->limit_samples = g_variant_get_uint64(data);
- sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples);
- break;
- case SR_CONF_LIMIT_MSEC:
- devc->limit_msec = g_variant_get_uint64(data);
- sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
-
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- (void)sdi;
- (void)cg;
-
- switch (key) {
- case SR_CONF_SCAN_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
- break;
- case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
-
-static int dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
-{
- struct dev_context *devc;
-
- (void)cb_data;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- devc = sdi->priv;
- devc->start_time = g_get_monotonic_time();
-
- /* Send header packet to the session bus. */
- std_session_send_df_header(sdi, LOG_PREFIX);
-
- sr_session_source_add(sdi->session, 0, 0, 10,
- brymen_bm86x_receive_data, (void *)sdi);
-
- return SR_OK;
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
- struct sr_datafeed_packet packet;
-
- (void)cb_data;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- /* Send end packet to the session bus. */
- packet.type = SR_DF_END;
- sr_session_send(sdi, &packet);
-
- sr_session_source_remove(sdi->session, 0);
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver brymen_bm86x_driver_info = {
- .name = "brymen-bm86x",
- .longname = "Brymen BM86X",
- .api_version = 1,
- .init = init,
- .cleanup = cleanup,
- .scan = scan,
- .dev_list = dev_list,
- .dev_clear = NULL,
- .config_get = config_get,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = dev_open,
- .dev_close = dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
-};
projects / libsigrok.git / blobdiff