SR_PRIV struct sr_dev_driver victor_dmm_driver_info;
static struct sr_dev_driver *di = &victor_dmm_driver_info;
-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 int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
+
+static const int32_t hwopts[] = {
+ SR_CONF_CONN,
+};
static const int32_t hwcaps[] = {
SR_CONF_MULTIMETER,
SR_CONF_CONTINUOUS,
};
-/* Properly close and free all devices. */
-static int clear_instances(void)
+static int init(struct sr_context *sr_ctx)
{
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
- GSList *l;
-
- if (!(drvc = di->priv))
- /* Can get called on an unused driver, doesn't matter. */
- return SR_OK;
-
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data))
- continue;
- if (!(devc = sdi->priv))
- continue;
- hw_dev_close(sdi);
- sr_usb_dev_inst_free(devc->usb);
- sr_dev_inst_free(sdi);
- }
-
- g_slist_free(drvc->instances);
- drvc->instances = NULL;
-
- return SR_OK;
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
-static int hw_init(struct sr_context *sr_ctx)
-{
- return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
-}
-
-static GSList *hw_scan(GSList *options)
+static GSList *scan(GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_dev_inst *sdi;
- struct sr_probe *probe;
+ struct sr_channel *ch;
struct libusb_device_descriptor des;
libusb_device **devlist;
GSList *devices;
drvc = di->priv;
- /* USB scan is always authoritative. */
- clear_instances();
-
devices = NULL;
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
return NULL;
sdi->priv = devc;
- if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
+ if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
return NULL;
- sdi->probes = g_slist_append(NULL, probe);
+ sdi->channels = g_slist_append(NULL, ch);
- 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);
return devices;
}
-static GSList *hw_dev_list(void)
+static GSList *dev_list(void)
{
return ((struct drv_context *)(di->priv))->instances;
}
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int 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;
return SR_OK;
}
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int 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;
}
-static int hw_cleanup(void)
+static int cleanup(void)
{
+ int ret;
struct drv_context *drvc;
if (!(drvc = di->priv))
/* Can get called on an unused driver, doesn't matter. */
return SR_OK;
- clear_instances();
+
+ ret = std_dev_clear(di, NULL);
g_free(drvc);
di->priv = NULL;
+ return ret;
+}
+
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
+{
+ struct sr_usb_dev_inst *usb;
+ char str[128];
+
+ (void)cg;
+
+ 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:
+ return SR_ERR_NA;
+ }
+
return SR_OK;
}
-static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
struct dev_context *devc;
gint64 now;
int ret;
+ (void)cg;
+
+ 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 (id) {
devc->limit_samples);
break;
default:
- sr_err("Unknown hardware capability: %d.", id);
- ret = SR_ERR_ARG;
+ ret = SR_ERR_NA;
}
return ret;
}
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+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_ARG;
+ return SR_ERR_NA;
}
return SR_OK;
devc = sdi->priv;
if (transfer->status == LIBUSB_TRANSFER_NO_DEVICE) {
/* USB device was unplugged. */
- hw_dev_acquisition_stop(sdi, sdi);
+ dev_acquisition_stop(sdi, sdi);
} else if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
sr_dbg("Got %d-byte packet.", transfer->actual_length);
if (transfer->actual_length == DMM_DATA_SIZE) {
victor_dmm_receive_data(sdi, transfer->buffer);
if (devc->limit_samples) {
if (devc->num_samples >= devc->limit_samples)
- hw_dev_acquisition_stop(sdi, sdi);
+ dev_acquisition_stop(sdi, sdi);
}
}
}
libusb_error_name(ret));
g_free(transfer->buffer);
libusb_free_transfer(transfer);
- hw_dev_acquisition_stop(sdi, sdi);
+ dev_acquisition_stop(sdi, sdi);
}
} else {
/* This was the last transfer we're going to receive, so
struct sr_dev_inst *sdi;
struct timeval tv;
gint64 now;
- int i;
(void)fd;
(void)revents;
if (devc->limit_msec) {
now = g_get_monotonic_time() / 1000;
if (now > devc->end_time)
- hw_dev_acquisition_stop(sdi, sdi);
+ dev_acquisition_stop(sdi, sdi);
}
if (sdi->status == SR_ST_STOPPING) {
- for (i = 0; devc->usbfd[i] != -1; i++)
- sr_source_remove(devc->usbfd[i]);
+ usb_source_remove(sdi->session, drvc->sr_ctx);
- hw_dev_close(sdi);
+ dev_close(sdi);
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
return TRUE;
}
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
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;
+ int ret;
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;
}
devc = sdi->priv;
+ usb = sdi->conn;
devc->cb_data = cb_data;
/* Send header packet to the session bus. */
- 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++) {
- /* Handle USB events every 100ms, for decent latency. */
- sr_source_add(pfd[i]->fd, pfd[i]->events, 100,
- handle_events, (void *)sdi);
- /* We'll need to remove this fd later. */
- devc->usbfd[i] = pfd[i]->fd;
- }
- devc->usbfd[i] = -1;
+ std_session_send_df_header(cb_data, LOG_PREFIX);
+
+ usb_source_add(sdi->session, drvc->sr_ctx, 100,
+ handle_events, (void *)sdi);
buf = g_try_malloc(DMM_DATA_SIZE);
transfer = libusb_alloc_transfer(0);
* 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)) {
return SR_OK;
}
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
(void)cb_data;
.name = "victor-dmm",
.longname = "Victor DMMs",
.api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .config_get = NULL,
+ .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 = hw_dev_open,
- .dev_close = hw_dev_close,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
+ .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