#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 GSList *scan(GSList *options)
{
+ GSList *usb_devices, *devices, *l;
struct drv_context *drvc;
- GSList *devices;
-
- (void)options;
+ 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;
- devices = NULL;
drvc = di->priv;
drvc->instances = NULL;
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+ 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_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
+ return NULL;
+ sdi->channels = g_slist_append(sdi->channels, ch);
+ if (!(ch = sr_probe_new(0, SR_PROBE_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;
}
return ((struct drv_context *)(di->priv))->instances;
}
-static int dev_clear(void)
-{
- return std_dev_clear(di, NULL);
-}
-
static int dev_open(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ struct drv_context *drvc = di->priv;
+ struct sr_usb_dev_inst *usb;
+ struct dev_context *devc;
+ int ret;
- /* TODO: get handle from sdi->conn and open it. */
+ 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.");
+ }
- sdi->status = SR_ST_ACTIVE;
+ /* 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 SR_OK;
+ return ret;
}
static int dev_close(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ struct sr_usb_dev_inst *usb;
+ struct dev_context *devc;
+ int ret;
- /* TODO: get handle from sdi->conn and close it. */
+ 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 SR_OK;
+ return ret;
}
static int cleanup(void)
{
- dev_clear();
-
- /* TODO: free other driver resources, if any. */
-
- return SR_OK;
+ return std_dev_clear(di, NULL);
}
static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_probe_group *probe_group)
+ const struct sr_channel_group *cg)
{
- int ret;
+ struct dev_context *devc = sdi->priv;
- (void)sdi;
- (void)data;
- (void)probe_group;
+ (void)cg;
- ret = SR_OK;
switch (key) {
- /* TODO */
+ 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 ret;
+ return SR_OK;
}
static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_probe_group *probe_group)
+ const struct sr_channel_group *cg)
{
- int ret;
+ struct dev_context *devc;
- (void)data;
- (void)probe_group;
+ (void)cg;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- ret = SR_OK;
+ if (!(devc = sdi->priv)) {
+ sr_err("sdi->priv was NULL.");
+ return SR_ERR_BUG;
+ }
+
switch (key) {
- /* TODO */
+ 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:
- ret = SR_ERR_NA;
+ return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_probe_group *probe_group)
+ const struct sr_channel_group *cg)
{
- int ret;
-
(void)sdi;
- (void)data;
- (void)probe_group;
+ (void)cg;
- ret = SR_OK;
switch (key) {
- /* TODO */
+ 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 ret;
+ return SR_OK;
}
static int dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
- (void)sdi;
- (void)cb_data;
+ struct dev_context *devc;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* TODO: configure hardware, reset acquisition state, set up
- * callbacks and send header packet. */
+ devc = sdi->priv;
+ devc->session_cb_data = cb_data;
+ devc->start_time = g_get_monotonic_time();
+
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(cb_data, LOG_PREFIX);
+
+ sr_source_add(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)
{
- (void)cb_data;
+ struct sr_datafeed_packet packet;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* TODO: stop acquisition. */
+ /* Send end packet to the session bus. */
+ packet.type = SR_DF_END;
+ sr_session_send(cb_data, &packet);
+
+ sr_source_remove(0);
return SR_OK;
}
.cleanup = cleanup,
.scan = scan,
.dev_list = dev_list,
- .dev_clear = dev_clear,
+ .dev_clear = NULL,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
projects / libsigrok.git / blobdiff