Handle libusb_control_transfer errors from dfu_upload

2018-03-01 09:53:16 +00:00
parent 88c2c03501
commit 1e8392730d
1 changed files with 5 additions and 0 deletions
--- a/host/xmosdfu/xmosdfu.cpp
+++ b/host/xmosdfu/xmosdfu.cpp
@@ -311,6 +311,11 @@ int read_dfu_image(char *file)
        {
            break;
        }
+        else if (numBytes < 0)
+        {
+            fprintf(stderr,"dfu_upload error (%d)\n", numBytes);
+            break;
+        }
        fwrite(block_data, 1, block_size, outFile);
        block_count++;
    }