saleae-logic-pro: Detect and abort on capture errors

[libsigrok.git] / src / hardware / saleae-logic-pro / api.c

diff --git a/src/hardware/saleae-logic-pro/api.c b/src/hardware/saleae-logic-pro/api.c
index db1b6df6eef77aa770b26f2177aaf4af080c0b7d..a7cd83d73b43a41f696d529c84a580c74a708c70 100644 (file)
--- a/src/hardware/saleae-logic-pro/api.c
+++ b/src/hardware/saleae-logic-pro/api.c
@@ -22,9 +22,9 @@
 #include <string.h>
 #include "protocol.h"
 
-#define BUF_COUNT 8
+#define BUF_COUNT 512
 #define BUF_SIZE (16 * 1024)
-#define BUF_TIMEOUT (1000 * 1000)
+#define BUF_TIMEOUT 1000
 
 SR_PRIV struct sr_dev_driver saleae_logic_pro_driver_info;
 
@@ -395,6 +395,8 @@ static void dev_acquisition_abort(const struct sr_dev_inst *sdi)
        }
 }
 
+static int dev_acquisition_stop(struct sr_dev_inst *sdi);
+
 static int dev_acquisition_handle(int fd, int revents, void *cb_data)
 {
        struct sr_dev_inst *sdi = cb_data;
@@ -402,10 +404,13 @@ static int dev_acquisition_handle(int fd, int revents, void *cb_data)
        struct timeval tv = ALL_ZERO;
 
        (void)fd;
-       (void)revents;
 
        libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
 
+       /* Handle timeout */
+       if (!revents)
+               dev_acquisition_stop(sdi);
+
        return TRUE;
 }
 
@@ -433,7 +438,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
                transfer = libusb_alloc_transfer(0);
                libusb_fill_bulk_transfer(transfer, usb->devhdl,
                        2 | LIBUSB_ENDPOINT_IN, buf, BUF_SIZE,
-                       saleae_logic_pro_receive_data, (void *)sdi, BUF_TIMEOUT);
+                       saleae_logic_pro_receive_data, (void *)sdi, 0);
                if ((ret = libusb_submit_transfer(transfer)) != 0) {
                        sr_err("Failed to submit transfer: %s.",
                               libusb_error_name(ret));