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added examples folder and two example .py #15

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Merged
ladyada merged 1 commit into from
Jan 9, 2018
Merged

added examples folder and two example .py #15

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17 changes: 17 additions & 0 deletions examples/read_register_i2c.py
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import busio
import board
from adafruit_bus_device.i2c_device import I2CDevice

DEVICE_ADDRESS = 0x68 # device address of DS3231 board
A_DEVICE_REGISTER = 0x0E # device id register on the DS3231 board

# The follow is for I2C communications
comm_port = busio.I2C(board.SCL, board.SDA)
device = I2CDevice(comm_port, DEVICE_ADDRESS)

with device as bus_device:
bus_device.write(bytes([A_DEVICE_REGISTER]))
result = bytearray(1)
bus_device.readinto(result)

print(''.join('{:02x}'.format(x) for x in result))
20 changes: 20 additions & 0 deletions examples/read_register_spi.py
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Original file line number Diff line number Diff line change
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import busio
import board
import digitalio
from adafruit_bus_device.spi_device import SPIDevice

DEVICE_ADDRESS = 0x68 # device address of BMP280 board
A_DEVICE_REGISTER = 0xD0 # device id register on the BMP280 board

# The follow is for SPI communications
cs = digitalio.DigitalInOut(board.A2)
comm_port = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
device = SPIDevice(comm_port, cs)

#pylint: disable-msg=no-member
with device as bus_device:
bus_device.write(bytes([A_DEVICE_REGISTER]))
result = bytearray(1)
bus_device.readinto(result)

print(''.join('{:02x}'.format(x) for x in result))