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README ¶

experimental code

This directory contain drivers that are considered unstable or incomplete as per driver lifetime management. We encourage you to try them and give feedback via new issues or improvements via a pull request, so we can assert of their quality before promoting them as stable drivers.

You are welcome to create pull requests to add drivers here or improve the quality of drivers already here. Please make sure to abide to requests in project/contributing/.

To add a new driver, you can optionally start your work off driverskeleton/ and follow the instructions in the files.

Directories ¶

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Path	Synopsis
cmd
hd44780 hd44780 writes to a text LCD screen.	hd44780 writes to a text LCD screen.
ina219 ina219 communicates with an ina219 sensor reading voltage, current and power.	ina219 communicates with an ina219 sensor reading voltage, current and power.
mfrc522 mfrc522 reads RFID tags.	mfrc522 reads RFID tags.
mpu9250 mpu9250 calibrates and performs the self-test, then measures the acceleration continuously.	mpu9250 calibrates and performs the self-test, then measures the acceleration continuously.
nrzled nrzled writes to a strip of LEDs using the NRZ protocol.	nrzled writes to a strip of LEDs using the NRZ protocol.
periph-web periph-web runs a web server exposing periph's state.	periph-web runs a web server exposing periph's state.
conn
analog Package analog defines analog pins, both DAC and ADC.	Package analog defines analog pins, both DAC and ADC.
uart Package uart defines the UART protocol.	Package uart defines the UART protocol.
uart/uartreg Package uartreg defines the UART registry for UART ports discovered on the host.	Package uartreg defines the UART registry for UART ports discovered on the host.
devices
bitbang Package bitbang implements conn by banging on the bits (GPIO pins).	Package bitbang implements conn by banging on the bits (GPIO pins).
hd44780 Package hd44780 controls the Hitachi LCD display chipset HD-44780 Datasheet https://www.sparkfun.com/datasheets/LCD/HD44780.pdf	Package hd44780 controls the Hitachi LCD display chipset HD-44780 Datasheet https://www.sparkfun.com/datasheets/LCD/HD44780.pdf
ina219 Package ina219 controls a Texas Instruments ina219 high side current, voltage and power monitor IC over an i2c bus.	Package ina219 controls a Texas Instruments ina219 high side current, voltage and power monitor IC over an i2c bus.
ina219/ina219smoketest
mfrc522 Package mfrc522 controls a Mifare RFID card reader.	Package mfrc522 controls a Mifare RFID card reader.
mfrc522/commands Package commands contains the command that a MFRC522 supports.	Package commands contains the command that a MFRC522 supports.
mpu9250 Package mpu9250 MPU-9250 is a 9-axis MotionTracking device that combines a 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetometer and a Digital Motion Processor™ (DMP) Datasheet https://www.invensense.com/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf https://www.invensense.com/wp-content/uploads/2015/02/MPU-9250-Register-Map.pdf	Package mpu9250 MPU-9250 is a 9-axis MotionTracking device that combines a 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetometer and a Digital Motion Processor™ (DMP) Datasheet https://www.invensense.com/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf https://www.invensense.com/wp-content/uploads/2015/02/MPU-9250-Register-Map.pdf
mpu9250/accelerometer
mpu9250/reg
nrzled Package nrzled is a driver for LEDs ws2811/ws2812/ws2812b and compatible devices like sk6812 and ucs1903 that uses a single wire NRZ encoded communication protocol.	Package nrzled is a driver for LEDs ws2811/ws2812/ws2812b and compatible devices like sk6812 and ucs1903 that uses a single wire NRZ encoded communication protocol.
piblaster Package piblaster implements interfacing code is piblaster.	Package piblaster implements interfacing code is piblaster.
unicornhd Package unicornhd implements interfacing code to Pimoroni's Unicorn HD hat.	Package unicornhd implements interfacing code to Pimoroni's Unicorn HD hat.
driverskeleton Package driverskeleton is an example that can be copy pasted to help write a new driver, either in devices/ or in host/.	Package driverskeleton is an example that can be copy pasted to help write a new driver, either in devices/ or in host/.
host
mt7688
pru Package pru exposes the Programmable Real-Time Unit Subsystem and Industrial Communication Subsystem (PRU-ICSS) functionality found on many Texas Instruments processors.	Package pru exposes the Programmable Real-Time Unit Subsystem and Industrial Communication Subsystem (PRU-ICSS) functionality found on many Texas Instruments processors.
serial Package serial implements cross platform UART support exposed by the operating system.	Package serial implements cross platform UART support exposed by the operating system.