diff options
Diffstat (limited to 'src/driver/max44009.cc')
| -rw-r--r-- | src/driver/max44009.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/driver/max44009.cc b/src/driver/max44009.cc index d09188c..e124787 100644 --- a/src/driver/max44009.cc +++ b/src/driver/max44009.cc @@ -19,7 +19,9 @@ float MAX44009::getLux() txbuf[0] = 0x03; txbuf[1] = 0x04; - i2c.xmit(address, 2, txbuf, 2, rxbuf); + if (i2c.xmit(address, 2, txbuf, 2, rxbuf) != 0) { + return -1; + } luxHigh = rxbuf[0]; luxLow = rxbuf[1]; |