hantek-4032l: Increase speed of data getting.

[libsigrok.git] / src / hardware / hantek-4032l / protocol.h

diff --git a/src/hardware/hantek-4032l/protocol.h b/src/hardware/hantek-4032l/protocol.h
index dc64f4d93381cee76f937b0c740604ccd5277fc1..70a468c054e8adc6c468d0b337598f798211ba56 100644 (file)
--- a/src/hardware/hantek-4032l/protocol.h
+++ b/src/hardware/hantek-4032l/protocol.h
@@ -33,6 +33,9 @@
 #define H4032L_USB_VENDOR 0x04b5
 #define H4032L_USB_PRODUCT 0x4032
 
+#define H4032L_DATA_BUFFER_SIZE (2 * 1024)
+#define H4032L_DATA_TRANSFER_MAX_NUM 32
+
 #define H4032L_CMD_PKT_MAGIC 0x017f
 #define H4032L_STATUS_PACKET_MAGIC 0x2B1A037F
 #define H4032L_START_PACKET_MAGIC 0x2B1A027F
@@ -120,10 +123,12 @@ struct h4032l_cmd_pkt {
 
 struct dev_context {
        enum h4032l_status status;
+       int submitted_transfers;
        uint32_t remaining_samples;
        gboolean acq_aborted;
        struct h4032l_cmd_pkt cmd_pkt;
-       struct libusb_transfer *usb_transfer;
+       unsigned int num_transfers;
+       struct libusb_transfer **transfers;
        uint8_t buffer[512];
        uint64_t capture_ratio;
        uint32_t fpga_version;
@@ -135,6 +140,7 @@ SR_PRIV void LIBUSB_CALL h4032l_usb_callback(struct libusb_transfer *transfer);
 SR_PRIV void LIBUSB_CALL h4032l_data_transfer_callback(struct libusb_transfer *transfer);
 SR_PRIV int h4032l_start_data_transfers(const struct sr_dev_inst *sdi);
 SR_PRIV int h4032l_start(const struct sr_dev_inst *sdi);
+SR_PRIV int h4032l_stop(struct sr_dev_inst *sdi);
 SR_PRIV int h4032l_dev_open(struct sr_dev_inst *sdi);
 SR_PRIV int h4032l_get_fpga_version(const struct sr_dev_inst *sdi);