SR_PRIV int usb_source_add(struct sr_context *ctx, int timeout,
sr_receive_data_callback cb, void *cb_data)
{
if (ctx->usb_source_present) {
sr_err("A USB event source is already present.");
return SR_ERR;
}
#ifdef _WIN32
ctx->usb_event = CreateEvent(NULL, TRUE, FALSE, NULL);
g_mutex_init(&ctx->usb_mutex);
ctx->usb_thread_running = TRUE;
ctx->usb_thread = g_thread_new("usb", usb_thread, ctx);
ctx->usb_pollfd.fd = ctx->usb_event;
ctx->usb_pollfd.events = G_IO_IN;
ctx->usb_cb = cb;
ctx->usb_cb_data = cb_data;
sr_session_source_add_pollfd(&ctx->usb_pollfd, timeout, usb_callback, ctx);
#else
const struct libusb_pollfd **lupfd;
unsigned int i;
lupfd = libusb_get_pollfds(ctx->libusb_ctx);
for (i = 0; lupfd[i]; i++)
sr_source_add(lupfd[i]->fd, lupfd[i]->events, timeout, cb, cb_data);
free(lupfd);
#endif
ctx->usb_source_present = TRUE;
return SR_OK;
}
SR_PRIV int serial_source_add(struct sr_session *session,
struct sr_serial_dev_inst *serial, int events, int timeout,
sr_receive_data_callback cb, void *cb_data)
{
enum sp_event mask = 0;
unsigned int i;
if (sp_new_event_set(&serial->event_set) != SP_OK)
return SR_ERR;
if (events & G_IO_IN)
mask |= SP_EVENT_RX_READY;
if (events & G_IO_OUT)
mask |= SP_EVENT_TX_READY;
if (events & G_IO_ERR)
mask |= SP_EVENT_ERROR;
if (sp_add_port_events(serial->event_set, serial->data, mask) != SP_OK) {
sp_free_event_set(serial->event_set);
return SR_ERR;
}
serial->pollfds = (GPollFD *) g_malloc0(sizeof(GPollFD) * serial->event_set->count);
for (i = 0; i < serial->event_set->count; i++) {
serial->pollfds[i].fd = ((event_handle *) serial->event_set->handles)[i];
mask = serial->event_set->masks[i];
if (mask & SP_EVENT_RX_READY)
serial->pollfds[i].events |= G_IO_IN;
if (mask & SP_EVENT_TX_READY)
serial->pollfds[i].events |= G_IO_OUT;
if (mask & SP_EVENT_ERROR)
serial->pollfds[i].events |= G_IO_ERR;
if (sr_session_source_add_pollfd(session, &serial->pollfds[i],
timeout, cb, cb_data) != SR_OK)
return SR_ERR;
}
return SR_OK;
}
