SPI Test Application
This application just retrieves the 'WHO AM I' register from the
Accelerometer from a LSM9DS0 connected via API.
The device datasheet can be found here:
https://www.adafruit.com/datasheets/LSM9DS0.pdf
Wiring information:
| LSM9DS0 pin | Quark SE Devboard | Quark D2000 CRB |
| | pin | pin |
|-------------+--------------------+-----------------|
| VIN | VDD_HDR_3P3 | J25 pin 1 |
| CS_G | GPIO24_SPI0_M_nCS0 | SS0 |
| CS_XM | VDD_HDR_3P3 | J25 pin 1 |
| SCL | GPIO24_SPI0_M_SCLK | CLK |
| SDO_G | GPIO24_SPI0_M_MISO | MISO |
| SDO_XM | Ground | J25 pin 2 |
| SDA | GPIO24_SPI0_M_MOSI | MOSI |
| GND | Ground | J25 pin 2 |
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