diff options
Diffstat (limited to 'sensors/compass/hmc5843.vala')
| -rw-r--r-- | sensors/compass/hmc5843.vala | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sensors/compass/hmc5843.vala b/sensors/compass/hmc5843.vala index 8248a5a..03cf493 100644 --- a/sensors/compass/hmc5843.vala +++ b/sensors/compass/hmc5843.vala @@ -16,6 +16,10 @@ public class HMC5843 : I2CDevice, Compass { public HMC5843(uint8 dev, uint8 addr = 0x1e) throws I2CError { setup(dev, addr); + + set_byte(0x00, 0x10); /* default mode */ + set_byte(0x01, 0x20); /* set gain: +/- 1.5Ga */ + set_byte(0x02, 0x00); /* continous conversion */ } public void init(KeyFile cfg) throws KeyFileError, I2CError { @@ -24,10 +28,11 @@ public class HMC5843 : I2CDevice, Compass { setup((uint8) adapter, (uint8) address); } - public void get_data(out uint16 x, out uint16 y, out uint16 z) throws I2CError { - x = get_big_word(0x03); - y = get_big_word(0x05); - z = get_big_word(0x07); + public void get_data(out int16 x, out int16 y, out int16 z) throws I2CError { + var data = get_block(0x03, 6); + x = data[0] << 8 | data[1]; + y = data[2] << 8 | data[3]; + z = data[4] << 8 | data[5]; } } |