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Fixes for SPI class #13

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Merged
merged 1 commit into from
Oct 10, 2018
Merged

Fixes for SPI class #13

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7 changes: 2 additions & 5 deletions adafruit_lsm9ds1.py
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Original file line number Diff line number Diff line change
Expand Up @@ -406,8 +406,8 @@ class LSM9DS1_SPI(LSM9DS1):
"""Driver for the LSM9DS1 connect over SPI."""
# pylint: disable=no-member
def __init__(self, spi, xgcs, mcs):
self._mag_device = spi_device.I2CDevice(spi, mcs)
self._xg_device = spi_device.I2CDevice(spi, xgcs)
self._mag_device = spi_device.SPIDevice(spi, mcs, baudrate=200000, phase=1, polarity=1)
self._xg_device = spi_device.SPIDevice(spi, xgcs, baudrate=200000, phase=1, polarity=1)
super().__init__()

def _read_u8(self, sensor_type, address):
Expand All @@ -416,7 +416,6 @@ def _read_u8(self, sensor_type, address):
else:
device = self._xg_device
with device as spi:
spi.configure(baudrate=200000, phase=0, polarity=0)
self._BUFFER[0] = (address | 0x80) & 0xFF
spi.write(self._BUFFER, end=1)
spi.readinto(self._BUFFER, end=1)
Expand All @@ -428,7 +427,6 @@ def _read_bytes(self, sensor_type, address, count, buf):
else:
device = self._xg_device
with device as spi:
spi.configure(baudrate=200000, phase=0, polarity=0)
buf[0] = (address | 0x80) & 0xFF
spi.write(buf, end=1)
spi.readinto(buf, end=count)
Expand All @@ -439,7 +437,6 @@ def _write_u8(self, sensor_type, address, val):
else:
device = self._xg_device
with device as spi:
spi.configure(baudrate=200000, phase=0, polarity=0)
self._BUFFER[0] = (address & 0x7F) & 0xFF
self._BUFFER[1] = val & 0xFF
spi.write(self._BUFFER, end=2)
11 changes: 11 additions & 0 deletions examples/lsm9ds1_simpletest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,17 @@
i2c = busio.I2C(board.SCL, board.SDA)
sensor = adafruit_lsm9ds1.LSM9DS1_I2C(i2c)

#SPI connection:
# from digitalio import DigitalInOut, Direction
# spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
# csag = DigitalInOut(board.D5)
# csag.direction = Direction.OUTPUT
# csag.value = True
# csm = DigitalInOut(board.D6)
# csm.direction = Direction.OUTPUT
# csm.value = True
# sensor = adafruit_lsm9ds1.LSM9DS1_SPI(spi, csag, csm)

# Main loop will read the acceleration, magnetometer, gyroscope, Temperature
# values every second and print them out.
while True:
Expand Down