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fx2lafw: Keep track of our own libusb fds

This commit is contained in:
Bert Vermeulen 2013-04-30 09:55:44 +02:00
parent 0372864451
commit 0a7da5f8c9
2 changed files with 13 additions and 12 deletions
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20
hardware/fx2lafw/fx2lafw.c
View File

@ -700,8 +700,6 @@ static void abort_acquisition(struct dev_context *devc)
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. */
@ -709,10 +707,9 @@ static void finish_acquisition(struct dev_context *devc)
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);
@ -1002,10 +999,16 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
}
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);
@ -1019,7 +1022,6 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
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)
{
(void)cb_data;

5
hardware/fx2lafw/fx2lafw.h
View File

@ -71,7 +71,6 @@ struct fx2lafw_profile {
struct dev_context {
const struct fx2lafw_profile *profile;
/*
* Since we can't keep track of an fx2lafw device after upgrading
* the firmware (it renumerates into a different device address
@ -84,8 +83,8 @@ struct dev_context {
uint64_t cur_samplerate;
uint64_t limit_samples;
/* Operational settings */
gboolean sample_wide;
uint16_t trigger_mask[NUM_TRIGGER_STAGES];
uint16_t trigger_value[NUM_TRIGGER_STAGES];
int trigger_stage;
@ -96,9 +95,9 @@ struct dev_context {
int empty_transfer_count;
void *cb_data;
unsigned int num_transfers;
struct libusb_transfer **transfers;
int *usbfd;
};
#endif