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| author | eb | 2007-05-07 21:36:54 +0000 |
|---|---|---|
| committer | eb | 2007-05-07 21:36:54 +0000 |
| commit | b06cd32d19dffe3b3fea0abb5a44d8cb57e7dfda (patch) | |
| tree | b63be90975f1798cf0a0127731f8cab48c55d32c /usrp/host/lib/legacy/fusb_sysconfig_linux.cc | |
| parent | b10b4d157f059773d0dd665d040c44453b14501e (diff) | |
| download | gnuradio-b06cd32d19dffe3b3fea0abb5a44d8cb57e7dfda.tar.gz gnuradio-b06cd32d19dffe3b3fea0abb5a44d8cb57e7dfda.tar.bz2 gnuradio-b06cd32d19dffe3b3fea0abb5a44d8cb57e7dfda.zip | |
Added fusb_sysconfig::default_block_size (<= max_block_size).
Changed Linux default_block_size to 4KB, and default buffersize to 1MB.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@5253 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'usrp/host/lib/legacy/fusb_sysconfig_linux.cc')
| -rw-r--r-- | usrp/host/lib/legacy/fusb_sysconfig_linux.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/usrp/host/lib/legacy/fusb_sysconfig_linux.cc b/usrp/host/lib/legacy/fusb_sysconfig_linux.cc index 468fa9f82..e5dc1f457 100644 --- a/usrp/host/lib/legacy/fusb_sysconfig_linux.cc +++ b/usrp/host/lib/legacy/fusb_sysconfig_linux.cc @@ -23,8 +23,9 @@ #include <fusb.h> #include <fusb_linux.h> -static const int MAX_BLOCK_SIZE = 16 * 1024; // hard limit -static const int FUSB_BUFFER_SIZE = 2 * (1L << 20); // 2 MB (was 8 MB) +static const int MAX_BLOCK_SIZE = 16 * 1024; // hard limit +static const int DEFAULT_BLOCK_SIZE = 4 * 1024; // fewer kernel memory problems +static const int FUSB_BUFFER_SIZE = 1 * (1L << 20); // 1MB fusb_devhandle * fusb_sysconfig::make_devhandle (usb_dev_handle *udh) @@ -37,6 +38,11 @@ int fusb_sysconfig::max_block_size () return MAX_BLOCK_SIZE; } +int fusb_sysconfig::default_block_size () +{ + return DEFAULT_BLOCK_SIZE; +} + int fusb_sysconfig::default_buffer_size () { return FUSB_BUFFER_SIZE; |