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| author | Thomas Tsou <ttsou@vt.edu> | 2010-08-27 12:22:42 -0700 |
|---|---|---|
| committer | Thomas Tsou <ttsou@vt.edu> | 2010-08-27 12:27:47 -0700 |
| commit | c30cbf651ba5efc734faa96c1b12a99b15b6e41e (patch) | |
| tree | 283f9a917a814d7ea1e427c3b6a1dc1e5c5c5da0 | |
| parent | 1e1e70373943113b5339a7229219e3851af36561 (diff) | |
| download | uhd-c30cbf651ba5efc734faa96c1b12a99b15b6e41e.tar.gz uhd-c30cbf651ba5efc734faa96c1b12a99b15b6e41e.tar.bz2 uhd-c30cbf651ba5efc734faa96c1b12a99b15b6e41e.zip | |
usrp1: Disable i2c error messages unless debug is enabled
Failed i2c operations can be normal under certain situations.
Notably, write failures are used to detect unpopulated
daughterboard slots.
| -rw-r--r-- | host/lib/usrp/usrp1/usrp1_iface.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/host/lib/usrp/usrp1/usrp1_iface.cpp b/host/lib/usrp/usrp1/usrp1_iface.cpp index 9d326d6bd..8756a21c9 100644 --- a/host/lib/usrp/usrp1/usrp1_iface.cpp +++ b/host/lib/usrp/usrp1/usrp1_iface.cpp @@ -122,7 +122,8 @@ public: buff, bytes.size()); - if (ret < 0) + // TODO throw and catch i2c failures during eeprom read + if (iface_debug && (ret < 0)) std::cerr << "USRP: failed i2c write: " << ret << std::endl; } @@ -137,7 +138,8 @@ public: buff, num_bytes); - if ((ret < 0) || (unsigned)ret < (num_bytes)) { + // TODO throw and catch i2c failures during eeprom read + if (iface_debug && ((ret < 0) || (unsigned)ret < (num_bytes))) { std::cerr << "USRP: failed i2c read: " << ret << std::endl; return byte_vector_t(num_bytes, 0xff); } |