diff options
| -rw-r--r-- | src/drivers/hmc5883/hmc5883_i2c.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/drivers/hmc5883/hmc5883_i2c.cpp b/src/drivers/hmc5883/hmc5883_i2c.cpp index f86c1af6b..b13f1fca8 100644 --- a/src/drivers/hmc5883/hmc5883_i2c.cpp +++ b/src/drivers/hmc5883/hmc5883_i2c.cpp @@ -113,11 +113,17 @@ HMC5883_I2C::ioctl(unsigned operation, unsigned &arg) switch (operation) { case MAGIOCGEXTERNAL: +// On PX4v1 the MAG can be on an internal I2C +// On everything else its always external +#ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 if (_bus == PX4_I2C_BUS_EXPANSION) { return 1; } else { return 0; } +#else + return 1; +#endif case DEVIOCGDEVICEID: return CDev::ioctl(nullptr, operation, arg); |