static int hw_dev_close(struct sr_dev_inst *sdi);
static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
-static const int hwcaps[] = {
- SR_HWCAP_MULTIMETER,
- SR_HWCAP_LIMIT_MSEC,
- SR_HWCAP_LIMIT_SAMPLES,
- SR_HWCAP_CONTINUOUS,
- 0
+static const int32_t hwopts[] = {
+ SR_CONF_CONN,
};
-static const char *probe_names[] = {
- "P1",
+static const int32_t hwcaps[] = {
+ SR_CONF_MULTIMETER,
+ SR_CONF_LIMIT_MSEC,
+ SR_CONF_LIMIT_SAMPLES,
+ SR_CONF_CONTINUOUS,
};
/* Properly close and free all devices. */
if (!(devc = sdi->priv))
continue;
hw_dev_close(sdi);
- sr_usb_dev_inst_free(devc->usb);
+ sr_usb_dev_inst_free(sdi->conn);
sr_dev_inst_free(sdi);
}
static int hw_init(struct sr_context *sr_ctx)
{
- struct drv_context *drvc;
-
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("Driver context malloc failed.");
- return SR_ERR_MALLOC;
- }
- drvc->sr_ctx = sr_ctx;
- di->priv = drvc;
-
- return SR_OK;
+ return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
}
static GSList *hw_scan(GSList *options)
(void)options;
- if (!(drvc = di->priv)) {
- sr_err("Driver was not initialized.");
- return NULL;
- }
+ drvc = di->priv;
/* USB scan is always authoritative. */
clear_instances();
return NULL;
sdi->probes = g_slist_append(NULL, probe);
- if (!(devc->usb = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
+ if (!(sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
libusb_get_device_address(devlist[i]), NULL)))
return NULL;
+ sdi->inst_type = SR_INST_USB;
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
static GSList *hw_dev_list(void)
{
- struct drv_context *drvc;
-
- if (!(drvc = di->priv)) {
- sr_err("Driver was not initialized.");
- return NULL;
- }
-
- return drvc->instances;
+ return ((struct drv_context *)(di->priv))->instances;
}
static int hw_dev_open(struct sr_dev_inst *sdi)
{
- struct dev_context *devc;
struct drv_context *drvc = di->priv;
+ struct sr_usb_dev_inst *usb;
libusb_device **devlist;
int ret, i;
return SR_ERR;
}
- devc = sdi->priv;
+ usb = sdi->conn;
+
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
- if (libusb_get_bus_number(devlist[i]) != devc->usb->bus
- || libusb_get_device_address(devlist[i]) != devc->usb->address)
+ if (libusb_get_bus_number(devlist[i]) != usb->bus
+ || libusb_get_device_address(devlist[i]) != usb->address)
continue;
- if ((ret = libusb_open(devlist[i], &devc->usb->devhdl))) {
+ if ((ret = libusb_open(devlist[i], &usb->devhdl))) {
sr_err("Failed to open device: %s.", libusb_error_name(ret));
return SR_ERR;
}
/* The device reports as HID class, so the kernel would have
* claimed it. */
- if (libusb_kernel_driver_active(devc->usb->devhdl, 0) == 1) {
- if ((ret = libusb_detach_kernel_driver(devc->usb->devhdl, 0)) < 0) {
+ if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) {
+ if ((ret = libusb_detach_kernel_driver(usb->devhdl, 0)) < 0) {
sr_err("Failed to detach kernel driver: %s.",
libusb_error_name(ret));
return SR_ERR;
}
}
- if ((ret = libusb_claim_interface(devc->usb->devhdl,
+ if ((ret = libusb_claim_interface(usb->devhdl,
VICTOR_INTERFACE))) {
sr_err("Failed to claim interface: %s.", libusb_error_name(ret));
return SR_ERR;
static int hw_dev_close(struct sr_dev_inst *sdi)
{
- struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
if (!di->priv) {
sr_err("Driver was not initialized.");
return SR_ERR;
}
- devc = sdi->priv;
- if (!devc->usb->devhdl)
+ usb = sdi->conn;
+
+ if (!usb->devhdl)
/* Nothing to do. */
return SR_OK;
- libusb_release_interface(devc->usb->devhdl, VICTOR_INTERFACE);
- libusb_close(devc->usb->devhdl);
- devc->usb->devhdl = NULL;
+ libusb_release_interface(usb->devhdl, VICTOR_INTERFACE);
+ libusb_close(usb->devhdl);
+ usb->devhdl = NULL;
sdi->status = SR_ST_INACTIVE;
return SR_OK;
return SR_OK;
}
-static int hw_info_get(int info_id, const void **data,
- const struct sr_dev_inst *sdi)
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
{
- (void)sdi;
-
- switch (info_id) {
- case SR_DI_HWCAPS:
- *data = hwcaps;
- break;
- case SR_DI_NUM_PROBES:
- *data = GINT_TO_POINTER(1);
- break;
- case SR_DI_PROBE_NAMES:
- *data = probe_names;
+ struct sr_usb_dev_inst *usb;
+ char str[128];
+
+ switch (id) {
+ case SR_CONF_CONN:
+ if (!sdi || !sdi->conn)
+ return SR_ERR_ARG;
+ usb = sdi->conn;
+ snprintf(str, 128, "%d.%d", usb->bus, usb->address);
+ *data = g_variant_new_string(str);
break;
default:
- sr_err("Unknown info_id: %d.", info_id);
- return SR_ERR_ARG;
+ return SR_ERR_NA;
}
return SR_OK;
}
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
gint64 now;
int ret;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
if (!di->priv) {
sr_err("Driver was not initialized.");
return SR_ERR;
}
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't set config options.");
- return SR_ERR;
- }
-
devc = sdi->priv;
ret = SR_OK;
- switch (hwcap) {
- case SR_HWCAP_LIMIT_MSEC:
- devc->limit_msec = *(const int64_t *)value;
+ switch (id) {
+ case SR_CONF_LIMIT_MSEC:
+ devc->limit_msec = g_variant_get_uint64(data);
now = g_get_monotonic_time() / 1000;
devc->end_time = now + devc->limit_msec;
sr_dbg("Setting time limit to %" PRIu64 "ms.",
devc->limit_msec);
break;
- case SR_HWCAP_LIMIT_SAMPLES:
- devc->limit_samples = *(const uint64_t *)value;
+ case SR_CONF_LIMIT_SAMPLES:
+ devc->limit_samples = g_variant_get_uint64(data);
sr_dbg("Setting sample limit to %" PRIu64 ".",
devc->limit_samples);
break;
default:
- sr_err("Unknown hardware capability: %d.", hwcap);
- ret = SR_ERR_ARG;
+ ret = SR_ERR_NA;
}
return ret;
}
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+{
+
+ (void)sdi;
+
+ 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 void receive_transfer(struct libusb_transfer *transfer)
{
struct dev_context *devc;
if ((ret = libusb_submit_transfer(transfer) != 0)) {
sr_err("Unable to resubmit transfer: %s.",
libusb_error_name(ret));
- libusb_free_transfer(transfer);
g_free(transfer->buffer);
+ libusb_free_transfer(transfer);
hw_dev_acquisition_stop(sdi, sdi);
}
} else {
/* This was the last transfer we're going to receive, so
* clean up now. */
- libusb_free_transfer(transfer);
g_free(transfer->buffer);
+ libusb_free_transfer(transfer);
}
}
static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
- struct sr_datafeed_packet packet;
- struct sr_datafeed_header header;
- struct sr_datafeed_meta_analog meta;
struct dev_context *devc;
struct drv_context *drvc = di->priv;
const struct libusb_pollfd **pfd;
+ struct sr_usb_dev_inst *usb;
struct libusb_transfer *transfer;
int ret, i;
unsigned char *buf;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
if (!di->priv) {
sr_err("Driver was not initialized.");
return SR_ERR;
}
- sr_dbg("Starting acquisition.");
-
devc = sdi->priv;
+ usb = sdi->conn;
devc->cb_data = cb_data;
/* Send header packet to the session bus. */
- sr_dbg("Sending SR_DF_HEADER.");
- packet.type = SR_DF_HEADER;
- packet.payload = (uint8_t *)&header;
- header.feed_version = 1;
- sr_session_send(devc->cb_data, &packet);
-
- /* Send metadata about the SR_DF_ANALOG packets to come. */
- packet.type = SR_DF_META_ANALOG;
- packet.payload = &meta;
- meta.num_probes = 1;
- sr_session_send(devc->cb_data, &packet);
+ std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
for (i = 0; pfd[i]; i++) {
* The device only sends 1 transfer/second no matter how many
* times you ask, but we want to keep step with the USB events
* handling above. */
- libusb_fill_interrupt_transfer(transfer, devc->usb->devhdl,
+ libusb_fill_interrupt_transfer(transfer, usb->devhdl,
VICTOR_ENDPOINT, buf, DMM_DATA_SIZE, receive_transfer,
cb_data, 100);
if ((ret = libusb_submit_transfer(transfer) != 0)) {
.scan = hw_scan,
.dev_list = hw_dev_list,
.dev_clear = clear_instances,
+ .config_get = config_get,
+ .config_set = config_set,
+ .config_list = config_list,
.dev_open = hw_dev_open,
.dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
.dev_acquisition_start = hw_dev_acquisition_start,
.dev_acquisition_stop = hw_dev_acquisition_stop,
.priv = NULL,