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authorJosh Blum <josh@joshknows.com>2012-01-28 12:21:01 -0800
committerJosh Blum <josh@joshknows.com>2012-01-31 14:56:31 -0800
commit8f25550d1a8ac634ee3873ae90a86d1e07dd5482 (patch)
treed4681f031bc00b1926a04965c7506f7823cc9314 /host/include
parent72359ea15846ab87c781ab4d072f694e97cc3cd1 (diff)
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dsp rework: implemented new scalefactor in rx dsp core
Diffstat (limited to 'host/include')
-rw-r--r--host/include/uhd/stream.hpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/host/include/uhd/stream.hpp b/host/include/uhd/stream.hpp
index 352f63e4e..0c9282545 100644
--- a/host/include/uhd/stream.hpp
+++ b/host/include/uhd/stream.hpp
@@ -80,8 +80,9 @@ struct UHD_API stream_args_t{
* Possible keys used by args (depends on implementation):
*
* - scalar: an integer scaling factor used with the sc8 wire format.
- * The key/value pair scalar=1024 means that the sample in the DSP
- * was multiplied by 1024 before its upper 8 bits were harvested.
+ * Use scalar=1 to harvest the lower 8-bits.
+ * Use scalar=256 to harvest the upper 8-bits.
+ * Any scalar in-between is also a possibility.
*
* - underflow_policy: how the TX DSP should recover from underflow.
* Possible options are "next_burst" or "next_packet".