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Diffstat (limited to 'src/drivers/hmc5883')
| -rw-r--r-- | src/drivers/hmc5883/hmc5883.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drivers/hmc5883/hmc5883.cpp b/src/drivers/hmc5883/hmc5883.cpp index 1a337ca3a..a5229b237 100644 --- a/src/drivers/hmc5883/hmc5883.cpp +++ b/src/drivers/hmc5883/hmc5883.cpp @@ -311,7 +311,7 @@ private: }; /* helper macro for handling report buffer indices */ -#define INCREMENT(_x, _lim) do { _x++; if (_x >= _lim) _x = 0; } while(0) +#define INCREMENT(_x, _lim) do { __typeof__(_x) _tmp = _x+1; if (_tmp >= _lim) _tmp = 0; _x = _tmp; } while(0) /* * Driver 'main' command. |