-SR_PRIV void dslogic_abort_acquisition(struct dev_context *devc);
-SR_PRIV void LIBUSB_CALL dslogic_receive_transfer(struct libusb_transfer *transfer);
-SR_PRIV size_t dslogic_get_buffer_size(struct dev_context *devc);
-SR_PRIV unsigned int dslogic_get_timeout(struct dev_context *devc);
-SR_PRIV void dslogic_send_data(struct sr_dev_inst *sdi, uint8_t *data,
- size_t length, size_t sample_width);
+SR_PRIV int dslogic_acquisition_start(const struct sr_dev_inst *sdi);
+SR_PRIV int dslogic_acquisition_stop(struct sr_dev_inst *sdi);