Driver for an STMicroelectronics L3GD20 3-axis gyroscope.
All correct at time of writing, but as always, manufacturers love to move things around on their website.
http://www.st.com/web/catalog/sense_power/FM89/SC1288/PF252443
http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00036465.pdf
This code has been tested using an Olimex MOD-L3GD20:
https://www.olimex.com/Products/Modules/Sensors/MOD-L3GD20/
This was wired to a CoreProto and plugged into a SenseCore:
http://soldercore.com/products/sensecore/
And finally installed on a SolderCore:
http://soldercore.com/products/soldercore/
| Parameter | Supported settings |
| Bandwidth (Hz) | 95, 190, 380, 760 |
| Range (dps) | 250, 500, 2000 |
| Communication | up to 400 kHz (I2C) and 10 MHz (SPI) |
| Macros | |
| L3GD20_I2C_ADDR | L3GD20 8-bit I2C address selected with SDO signal |
| Functions | |
| l3gd20_initialize_i2c | Initialize sensor on I2C bus |