#include <string.h>
-#define USB_CONN "1a86.e008"
-#define VENDOR "UNI-T"
-#define MODEL "UT32x"
-#define USB_INTERFACE 0
-#define EP_IN 0x80 | 2
-#define EP_OUT 2
-
static const int32_t hwcaps[] = {
SR_CONF_THERMOMETER,
SR_CONF_LIMIT_SAMPLES,
static GSList *dev_list(void)
{
- struct drv_context *drvc;
-
- drvc = di->priv;
-
- return drvc->instances;
+ return ((struct drv_context *)(di->priv))->instances;
}
static int dev_clear(void)
* driver being active, but detaching it always returns an error.
*/
#if !defined(__APPLE__)
- if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) {
- if ((ret = libusb_detach_kernel_driver(usb->devhdl, 0)) < 0) {
+ if (libusb_kernel_driver_active(usb->devhdl, USB_INTERFACE) == 1) {
+ if ((ret = libusb_detach_kernel_driver(usb->devhdl, USB_INTERFACE)) < 0) {
sr_err("failed to detach kernel driver: %s",
libusb_error_name(ret));
return SR_ERR;
}
#endif
- if ((ret = libusb_set_configuration(usb->devhdl, 1))) {
+ if ((ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION))) {
sr_err("Failed to set configuration: %s.", libusb_error_name(ret));
return SR_ERR;
}
devc->cb_data = cb_data;
devc->num_samples = 0;
+ devc->packet_len = 0;
+
+ /* Configure serial port parameters on USB-UART interface
+ * chip inside the device (just baudrate 2400 actually). */
+ cmd[0] = 0x09;
+ cmd[1] = 0x60;
+ ret = libusb_control_transfer(usb->devhdl, 0x21, 0x09, 0x0300, 0x00,
+ cmd, 2, 5);
+ if (ret != 2) {
+ sr_dbg("Failed to configure CH9325: %s", libusb_error_name(ret));
+ return SR_ERR;
+ }
/* Send header packet to the session bus. */
std_session_send_df_header(cb_data, LOG_PREFIX);
if (!(devc->xfer = libusb_alloc_transfer(0)))
return SR_ERR;
- pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
- for (i = 0; pfd[i]; i++) {
- /* Handle USB events every 10ms. */
- sr_source_add(pfd[i]->fd, pfd[i]->events, 10,
- uni_t_ut32x_handle_events, (void *)sdi);
- /* We'll need to remove this fd later. */
- devc->usbfd[i] = pfd[i]->fd;
- }
- devc->usbfd[i] = -1;
-
/* Length of payload to follow. */
cmd[0] = 0x01;
if (devc->data_source == DATA_SOURCE_LIVE)
}
libusb_fill_bulk_transfer(devc->xfer, usb->devhdl, EP_IN, devc->buf,
- 128, uni_t_ut32x_receive_transfer, (void *)sdi, 15);
+ 8, uni_t_ut32x_receive_transfer, (void *)sdi, 15);
if (libusb_submit_transfer(devc->xfer) != 0) {
libusb_free_transfer(devc->xfer);
return SR_ERR;
}
+ pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
+ for (i = 0; pfd[i]; i++) {
+ /* Handle USB events every 10ms. */
+ sr_source_add(pfd[i]->fd, pfd[i]->events, 10,
+ uni_t_ut32x_handle_events, (void *)sdi);
+ /* We'll need to remove this fd later. */
+ devc->usbfd[i] = pfd[i]->fd;
+ }
+ devc->usbfd[i] = -1;
+
return SR_OK;
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
+
(void)cb_data;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* TODO: stop acquisition. */
+ /* Signal USB transfer handler to clean up and stop. */
+ sdi->status = SR_ST_STOPPING;
return SR_OK;
}