X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/c72b2913f8b11bc650b5a17f087a058cf7948fb9..03548b64a8d7b407b4ae6464c5ffc551be8fc0be:/src/adafruit_blinka/microcontroller/mcp2221/i2c.py diff --git a/src/adafruit_blinka/microcontroller/mcp2221/i2c.py b/src/adafruit_blinka/microcontroller/mcp2221/i2c.py index ef7f784..d8e40c2 100644 --- a/src/adafruit_blinka/microcontroller/mcp2221/i2c.py +++ b/src/adafruit_blinka/microcontroller/mcp2221/i2c.py @@ -1,24 +1,53 @@ -from adafruit_blinka.microcontroller.mcp2221.pin import Pin +# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries +# +# SPDX-License-Identifier: MIT +"""I2C Class for MCP2221""" from .mcp2221 import mcp2221 + class I2C: + """Custom I2C Class for MCP2221""" - def __init__(self, *, baudrate=100000): - mcp2221.i2c_configure(baudrate) + def __init__(self, *, frequency=100000): + self._mcp2221 = mcp2221 + self._mcp2221._i2c_configure(frequency) def scan(self): - return mcp2221.i2c_scan() + """Perform an I2C Device Scan""" + return self._mcp2221.i2c_scan() + # pylint: disable=unused-argument def writeto(self, address, buffer, *, start=0, end=None, stop=True): - mcp2221.i2c_writeto(address, buffer, start=start, end=end) + """Write data from the buffer to an address""" + self._mcp2221.i2c_writeto(address, buffer, start=start, end=end) def readfrom_into(self, address, buffer, *, start=0, end=None, stop=True): - mcp2221.i2c_readfrom_into(address, buffer, start=start, end=end) + """Read data from an address and into the buffer""" + self._mcp2221.i2c_readfrom_into(address, buffer, start=start, end=end) - def writeto_then_readfrom(self, address, buffer_out, buffer_in, *, - out_start=0, out_end=None, - in_start=0, in_end=None, stop=False): - mcp2221.i2c_writeto_then_readfrom(address, buffer_out, buffer_in, - out_start=out_start, out_end=out_end, - in_start=in_start, in_end=in_end) + def writeto_then_readfrom( + self, + address, + buffer_out, + buffer_in, + *, + out_start=0, + out_end=None, + in_start=0, + in_end=None, + stop=False, + ): + """Write data from buffer_out to an address and then + read data from an address and into buffer_in + """ + self._mcp2221.i2c_writeto_then_readfrom( + address, + buffer_out, + buffer_in, + out_start=out_start, + out_end=out_end, + in_start=in_start, + in_end=in_end, + ) + # pylint: enable=unused-argument