dslogic: Fix sampling for high samplerates.

[libsigrok.git] / src / hardware / fx2lafw / api.c

diff --git a/src/hardware/fx2lafw/api.c b/src/hardware/fx2lafw/api.c
index 17ae297c9f3f37544c7d659ec1757c5eaad5361c..73365494629a661bebee22327c694a86eb607c35 100644 (file)
--- a/src/hardware/fx2lafw/api.c
+++ b/src/hardware/fx2lafw/api.c
@@ -809,6 +809,19 @@ static int start_transfers(const struct sr_dev_inst *sdi)
                devc->trigger_fired = TRUE;
 
        num_transfers = fx2lafw_get_number_of_transfers(devc);
+
+       //if (devc->dslogic)
+       //      num_transfers = dslogic_get_number_of_transfers(devc);
+
+       if ( devc->dslogic){
+               if(devc->cur_samplerate == SR_MHZ(100))
+                       num_transfers = 16;
+               else if (devc->cur_samplerate == SR_MHZ(200))
+                       num_transfers = 8;
+               else if (devc->cur_samplerate == SR_MHZ(400))
+                       num_transfers = 4;
+       }
+
        size = fx2lafw_get_buffer_size(devc);
        devc->submitted_transfers = 0;
 
@@ -830,6 +843,7 @@ static int start_transfers(const struct sr_dev_inst *sdi)
                libusb_fill_bulk_transfer(transfer, usb->devhdl,
                                endpoint | LIBUSB_ENDPOINT_IN, buf, size,
                                fx2lafw_receive_transfer, (void *)sdi, timeout);
+               sr_info("submitting transfer: %d", i);
                if ((ret = libusb_submit_transfer(transfer)) != 0) {
                        sr_err("Failed to submit transfer: %s.",
                               libusb_error_name(ret));