SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
static struct sr_dev_driver *di = &fx2lafw_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);
/**
* Check the USB configuration to determine if this is an fx2lafw device.
{
struct dev_context *devc;
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+ if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return NULL;
}
- devc->trigger_stage = TRIGGER_FIRED;
+ devc->profile = NULL;
+ devc->fw_updated = 0;
+ devc->cur_samplerate = 0;
+ devc->limit_samples = 0;
+ devc->sample_wide = 0;
return devc;
}
-static int clear_instances(void)
+static int dev_clear(void)
{
return std_dev_clear(di, NULL);
}
-static int hw_init(struct sr_context *sr_ctx)
+static int init(struct sr_context *sr_ctx)
{
- return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
-static GSList *hw_scan(GSList *options)
+static GSList *scan(GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
drvc = di->priv;
- /* This scan always invalidates any previous scans. */
- clear_instances();
-
conn = NULL;
for (l = options; l; l = l->next) {
src = l->data;
}
}
libusb_free_device_list(devlist, 1);
+ g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
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 sr_usb_dev_inst *usb;
struct dev_context *devc;
return SR_OK;
}
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int dev_close(struct sr_dev_inst *sdi)
{
struct sr_usb_dev_inst *usb;
return SR_OK;
}
-static int hw_cleanup(void)
+static int cleanup(void)
{
- struct drv_context *drvc;
int ret;
+ struct drv_context *drvc;
if (!(drvc = di->priv))
return SR_OK;
- ret = clear_instances();
+ ret = dev_clear();
g_free(drvc);
di->priv = NULL;
struct dev_context *devc;
int ret;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR;
+
devc = sdi->priv;
if (id == SR_CONF_SAMPLERATE) {
static void finish_acquisition(struct dev_context *devc)
{
struct sr_datafeed_packet packet;
- struct drv_context *drvc = di->priv;
- const struct libusb_pollfd **lupfd;
int i;
/* Terminate session. */
sr_session_send(devc->cb_data, &packet);
/* Remove fds from polling. */
- lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
- for (i = 0; lupfd[i]; i++)
- sr_source_remove(lupfd[i]->fd);
- free(lupfd); /* NOT g_free()! */
+ for (i = 0; devc->usbfd[i] != -1; i++)
+ sr_source_remove(devc->usbfd[i]);
+ g_free(devc->usbfd);
devc->num_transfers = 0;
g_free(devc->transfers);
return timeout + timeout / 4; /* Leave a headroom of 25% percent. */
}
-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;
unsigned char *buf;
size_t size;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
drvc = di->priv;
devc = sdi->priv;
usb = sdi->conn;
- if (devc->submitted_transfers != 0)
- return SR_ERR;
-
+ /* Configures devc->trigger_* and devc->sample_wide */
if (configure_probes(sdi) != SR_OK) {
sr_err("Failed to configure probes.");
return SR_ERR;
timeout = get_timeout(devc);
num_transfers = get_number_of_transfers(devc);
size = get_buffer_size(devc);
+ devc->submitted_transfers = 0;
devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers);
if (!devc->transfers) {
}
devc->num_transfers = num_transfers;
-
for (i = 0; i < num_transfers; i++) {
if (!(buf = g_try_malloc(size))) {
sr_err("USB transfer buffer malloc failed.");
}
lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
- for (i = 0; lupfd[i]; i++)
+ for (i = 0; lupfd[i]; i++);
+ if (!(devc->usbfd = g_try_malloc(sizeof(struct libusb_pollfd) * (i + 1))))
+ return SR_ERR;
+ for (i = 0; lupfd[i]; i++) {
sr_source_add(lupfd[i]->fd, lupfd[i]->events,
timeout, receive_data, NULL);
- free(lupfd); /* NOT g_free()! */
+ devc->usbfd[i] = lupfd[i]->fd;
+ }
+ devc->usbfd[i] = -1;
+ free(lupfd);
/* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
+ std_session_send_df_header(cb_data, LOG_PREFIX);
if ((ret = command_start_acquisition (usb->devhdl,
devc->cur_samplerate, devc->sample_wide)) != SR_OK) {
return SR_OK;
}
-/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
-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 = "fx2lafw",
.longname = "fx2lafw (generic driver for FX2 based LAs)",
.api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
+ .init = init,
+ .cleanup = cleanup,
+ .scan = scan,
+ .dev_list = dev_list,
+ .dev_clear = dev_clear,
.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,
};