Zephyr Project @ VHS

Log data from all sensors on the board to csv file.

1. Setup Build Environment
2. Port sensor code to Zephyr
3. Write/modify code for data logging to file
4. Build code
5. Flash code to board
6. Test

• Temperature (SENSOR_CHAN_TEMP, C)
• Humidity (SENSOR_CHAN_HUMIDITY, mili-percent)

I2C

• Read=10111111 (BFh)
• Write=10111110 (BEh)

• Magnetometer (SENSOR_CHAN_MAGN_X, SENSOR_CHAN_MAGN_Y, SENSOR_CHAN_MAGN_Z, SENSOR_CHAN_MAGN_XYZ)

I2C

• Read= 00111101 (3Dh)
• Write=00111100 (3Ch)

• accelerometer (SENSOR_CHAN_ACCEL_X, SENSOR_CHAN_ACCEL_Y, SENSOR_CHAN_ACCEL_Z, SENSOR_CHAN_ACCEL_XYZ)
• gyroscope (SENSOR_CHAN_GYRO_X, SENSOR_CHAN_GYRO_Y, SENSOR_CHAN_GYRO_Z, SENSOR_CHAN_GYRO_XYZ)
• temperature (SENSOR_CHAN_TEMP - C)

I2C

• Read= 11010101 (D5h)
• Write=11010100 (D4h)

• pressure(SENSOR_CHAN_PRESS - kPA)
• temperature(SENSOR_CHAN_TEMP - C)

I2C

• Read= 10111011 (BBh)
• Write=10111010 (BAh)

• Needs to be implemented
• Datasheet: http://www.st.com/content/ccc/resource/technical/document/datasheet/group3/b2/1e/33/77/c6/92/47/6b/DM00279086/files/DM00279086.pdf/jcr:content/translations/en.DM00279086.pdf
• VL53L0X Class for mbed OS: https://os.mbed.com/teams/ST/code/X_NUCLEO_53L0A1/docs/8d27ebb4e1eb/classVL53L0X.html
• C++ for mbedOS: https://github.com/dbaba/vl53l0x-mbedos
• ST Provided API: http://www.st.com/content/st_com/en/products/embedded-software/proximity-sensors-software/stsw-img005.html

I2C

• Read=01010011(53h)
• Write=01010010(52h)

Table 3. I2C addresses for each module