class ad7606():
try:
start_acq_fd = open("/sys/class/gpio/gpio145/value", 'w', 0)
except IOError as e:
print("Error opening start acquire gpio pin: %s" % e)
raise
def __init__(self, dev):
self.dev = SpiDev()
try:
self.dev.open(3, dev)
self.dev.mode = 2
except IOError as e:
print("Error opening /dev/spidev3.%d: %s" % (dev, e))
raise
def trigger_acquire(self):
self.start_acq_fd.write(b'1')
self.start_acq_fd.write(b'0')
def read(self):
self.trigger_acquire()
buf = self.dev.readbytes(16)
samples = [0, 0, 0, 0, 0, 0, 0, 0]
for i in xrange(8):
samples[i] = buf[2 * i] << 8 | buf[2 * i + 1] << 0
return samples
def __init__(self, bus, cs_pin, slave_select_pin, reset_pin):
print('setting up dspin interface on pins: ', bus, cs_pin, slave_select_pin, reset_pin)
Dspin_motor.init_toggle_reset_pin(reset_pin)
self.reset_gpio = LED(reset_pin)
self.reset_gpio.on()
time.sleep(0.1)
self.reset_gpio.off()
time.sleep(0.1)
self.reset_gpio.on()
time.sleep(0.1)
self.slave_select_gpio = LED(slave_select_pin)
self.spi = SpiDev()
self.slave_select_gpio.on()
self.spi.open(bus, cs_pin)
self.spi.max_speed_hz = 10000
self.spi.mode = 3
self.spi.lsbfirst = False
#spi.no_cs = True
#spi.loop = False
self.connect_l6470()
self.last_steps_count_time = datetime.datetime.now()
self.current_speed = 0
self.absolute_pos_manual_count = 0
class MCP3008:
"""Class representing an MCP3008 ADC"""
def __init__(self, bus=0, device=0):
"""
Initialize SPI device for MCP3008
:param bus: SPI bus (usually 0)
:param device: SPI slave (SS/CS/CE)
"""
self.spi = SpiDev()
self.spi.open(bus, device)
self.spi.max_speed_hz = 100000
def read_channel(self, ch):
"""
Perform measurement on an ADC channel
:param ch: ADC channel (0-7)
:return: 10-bit integer measurement (0-1023)
"""
digit = int("1" + bin(ch)[2:] + "0000")
cb = [0x01, digit, 0x00]
for i in range(len(cb)):
print(cb)
bytes_in = self.spi.xfer2(cb)
B9B8 = (bytes_in[1] & 0x03) << 8
byte = B9B8 | bytes_in[2]
return byte
class MCP3008Controller(object):
def __init__(self, bus = 0, device = 0):
self.bus, self.device = bus, device
self.spi = SpiDev()
self.open()
self.spi.max_speed_hz = 1000000 # 1MHz
self.myLogger = MyLogger(self.__class__.__name__)
self.myLogger.info('Init MCP3008')
def open(self):
self.spi.open(self.bus, self.device)
self.spi.max_speed_hz = 1000000 # 1MHz
def read(self, channel = 0):
cmd1 = 4 | 2 | (( channel & 4) >> 2)
cmd2 = (channel & 3) << 6
adc = self.spi.xfer2([cmd1, cmd2, 0])
self.myLogger.debug("Read SPI: %s" % adc)
data = ((adc[1] & 15) << 8) + adc[2]
return data
def close(self):
self.spi.close()
class dac8568():
def __init__(self, dev):
self.dev = SpiDev()
try:
self.dev.open(4,dev)
except IOError as e:
print("Error opening /dev/spidev4.%d: %s" % (dev, e))
raise
def build_command(self, control, addr, data):
prefix = 0
features = 0
cmd = [0,0,0,0]
cmd[3] = (0xf & features) << 0 | (0xf & data) << 4
cmd[2] = (0x0ff0 & data) >> 4
cmd[1] = (0xf000 & data) >> 12 | (0xf & addr) << 4
cmd[0] = (0xf & control) << 0 | (0xf & prefix) << 4
return cmd
# indexed by label number, mapping to DAC channel number
channel_map = (0,2,4,6,7,5,3,1)
write_mode = { 'WRITE': 0x0,
'UPDATE': 0x1,
'WRITE_UPDATE_ALL': 0x2,
'WRITE_UPDATE': 0x3 }
def write(self, addr, data, mode = write_mode['WRITE_UPDATE']):
addr = self.channel_map[addr]
cmd = self.build_command(mode, addr, data)
self.dev.writebytes(cmd)
class MCP3008(object):
"""
MCP3008 ADC (Analogue-to-Digital converter).
"""
def __init__(self, bus=0, device=0, channel=0):
self.bus = bus
self.device = device
self.channel = channel
self.spi = SpiDev()
def __enter__(self):
self.open()
return self
def open(self):
self.spi.open(self.bus, self.device)
def read(self):
adc = self.spi.xfer2([1, (8 + self.channel) << 4, 0])
data = ((adc[1] & 3) << 8) + adc[2]
return data
def __exit__(self, type, value, traceback):
self.close()
def close(self):
self.spi.close()
class MCP3008:
def __init__(self, bus=0, device=0):
self.spi = SpiDev()
self.spi.open(bus, device) #Connect to the specified SPI device (CS)
############################### Read ######################################
# Input: the channel to read from (default is 0)
# Output: raw digital ADc reading
# Remarks: Technical Note: this is a 12-bit ADC
###########################################################################
def read(self, channel=0):
# to initiate communication with MCP, send 3 bytes
# 0000 0001 | 0 0 0 0 0000 | 0000 00000
# start bit | SNGL/DIFF D2 D1 D0 XXXX | XXXX XXXXX
# Perform SPI transaction. CS on RPi will be held active between blocks
adc = self.spi.xfer2([1, (8 + channel) << 4,
0]) # (0000 1000 + channel) << 4
# ???? ?nullB9B8 | B7B6B5B4 B3B2B1B0
# bitmask: keep B9B0 and shift'em to the beginning, the resulted integer + last byte value
return ((adc[1] & 3) << 8) + adc[2]
############################### Close ######################################
# Disconnects from the interface.
###########################################################################
def close(self):
self.spi.close()
class HWSPI(SPI):
""" Hardware SPI
"""
def __init__(self, device, ce, config):
"""
Args:
device (int): the number of SPI device
ce (int): the number of chip select of SPI device
config (SPIConfig):
"""
self._device = device
self._ce = ce
self._config = config
self._spi = SpiDev()
def open(self):
logger.info("Open SPI(%d,%d)", self._device, self._ce)
self._spi.open(self._device, self._ce)
self._spi.mode = self._config.mode
self._spi.max_speed_hz = self._config.speed
def close(self):
logger.info("Close SPI(%d,%d)", self._device, self._ce)
self._spi.close()
def transfer(self, writedata, readsize):
buf = self._spi.xfer(writedata + [0] * readsize)
return buf[len(writedata):]
class ad7606():
try:
start_acq_fd = open("/sys/class/gpio/gpio145/value", 'w', 0)
except IOError as e:
print("Error opening start acquire gpio pin: %s" % e)
raise
def __init__(self, dev):
self.dev = SpiDev()
try:
self.dev.open(3,dev)
self.dev.mode = 2
except IOError as e:
print("Error opening /dev/spidev3.%d: %s" % (dev, e))
raise
def trigger_acquire(self):
self.start_acq_fd.write(b'1')
self.start_acq_fd.write(b'0')
def read(self):
self.trigger_acquire()
buf = self.dev.readbytes(16)
samples = [0,0,0,0,0,0,0,0]
for i in xrange(8):
samples[i] = buf[2*i] << 8 | buf[2*i+1] << 0
return samples
def __init__(self, address, direction, bitrate=976000, theta_max=0.15):
"""
Initialize and open an SPI connection with a CUI AMT20 encoder.
:param bus: SPI address in the bus (e.g. 0 or 1).
:type bus: int
:param direction: Direction of rotation of the encoder, must be either
'ccw' or 'cw'.
:type direction: string
:param bitrate: Frequency of the SPI bus. The encoder defaults to
976[kHz].
:type bitrate: int
:param theta_max: Max angle variation between samples, in radians.
Defaults to 0.15[rad/sample].
:type theta_max: float
"""
assert address == 0 or address == 1, "SPI address must be 0 or 1"
assert direction == "ccw" or direction == "cw", "Direction must be either 'ccw' or 'cw'"
self.RESOLUTION = 4096
self.direction = direction
self.theta_max = theta_max
self.encoder = SpiDev()
self.encoder.open(0, address)
self.encoder.max_speed_hz = bitrate
self._warm_up()
self.last = {"angle": self.angle(), "time": datetime.now()}
class MCP3008(object):
"""
MCP3008 ADC (Analogue-to-Digital converter).
"""
def __init__(self, bus=0, device=0, channel=0):
self.bus = bus
self.device = device
self.channel = channel
self.spi = SpiDev()
def __enter__(self):
self.open()
return self
def open(self):
self.spi.open(self.bus, self.device)
def read(self):
adc = self.spi.xfer2([1, (8 + self.channel) << 4, 0])
data = ((adc[1] & 3) << 8) + adc[2]
return data
def __exit__(self, type, value, traceback):
self.close()
def close(self):
self.spi.close()
class MCP3008:
def __init__(self, bus=0, dev=0, max_speed_hz=7629):
self.bus = bus
self.dev = dev
self.max_speed_hz = max_speed_hz
self.spi = SpiDev()
def __enter__(self):
self.open()
return self
def __exit__(self, type, value, traceback):
self.close()
def read(self, ch=0):
if ch > 7 or ch < 0:
return -1
r = self.spi.xfer2([1, 8 + ch << 4, 0])
data = ((r[1] & 3) << 8) + r[2]
return data
def open(self):
self.spi.open(self.bus, self.dev)
self.spi.max_speed_hz = self.max_speed_hz
def close(self):
self.spi.close()
def __init__(self, bus = 0, device = 0):
self.bus, self.device = bus, device
self.spi = SpiDev()
self.open()
self.spi.max_speed_hz = 1000000 # 1MHz
self.myLogger = MyLogger(self.__class__.__name__)
self.myLogger.info('Init MCP3008')
class MCP3208:
def __init__(self, bus=0, device=0, channel=0):
self.bus, self.device, self.channel = bus, device, channel
self.spi = SpiDev()
def __enter__(self):
self.open()
self.spi.max_speed_hz = 200000
return self
def open(self):
self.spi.open(self.bus, self.device)
def read(self):
if self.channel > 7 or self.channel < 0:
return -1
adc = self.spi.xfer2([(24 + self.channel) << 2, 0, 0])
data = (adc[1] << 4) | (adc[2] >> 4)
return data
def __exit__(self, type, value, traceback):
self.close()
def close(self):
self.spi.close()
def setup(keymap=FULL):
global _is_setup, spi, callbacks, pins, leds, buf, states
if _is_setup:
return
_is_setup = True
callbacks = [None for key in keymap]
pins = [key[0] for key in keymap]
leds = [key[1] for key in keymap]
buf = [[0, 0, 0, 1.0] for key in keymap]
states = [True for key in keymap]
GPIO.setmode(GPIO.BCM)
GPIO.setup(pins, GPIO.IN, pull_up_down=GPIO.PUD_UP)
for pin in pins:
GPIO.add_event_detect(pin,
GPIO.BOTH,
callback=_handle_keypress,
bouncetime=1)
spi = SpiDev()
spi.open(0, 0)
spi.max_speed_hz = 1000000
atexit.register(_on_exit)
class dac8568():
def __init__(self, dev):
self.dev = SpiDev()
try:
self.dev.open(4, dev)
except IOError as e:
print("Error opening /dev/spidev4.%d: %s" % (dev, e))
raise
def build_command(self, control, addr, data):
prefix = 0
features = 0
cmd = [0, 0, 0, 0]
cmd[3] = (0xf & features) << 0 | (0xf & data) << 4
cmd[2] = (0x0ff0 & data) >> 4
cmd[1] = (0xf000 & data) >> 12 | (0xf & addr) << 4
cmd[0] = (0xf & control) << 0 | (0xf & prefix) << 4
return cmd
# indexed by label number, mapping to DAC channel number
channel_map = (0, 2, 4, 6, 7, 5, 3, 1)
write_mode = {
'WRITE': 0x0,
'UPDATE': 0x1,
'WRITE_UPDATE_ALL': 0x2,
'WRITE_UPDATE': 0x3
}
def write(self, addr, data, mode=write_mode['WRITE_UPDATE']):
addr = self.channel_map[addr]
cmd = self.build_command(mode, addr, data)
self.dev.writebytes(cmd)
def __init__(self, dev):
self.dev = SpiDev()
try:
self.dev.open(4, dev)
except IOError as e:
print("Error opening /dev/spidev4.%d: %s" % (dev, e))
raise
def _open(self):
if not self._spi:
self._spi = SpiDev()
try:
self._spi.open(self.bus, self.dev)
except FileNotFoundError:
raise SPIError(self.bus, self.dev)
self._spi.max_speed_hz = self.freq
def __init__(self):
self.__spi = SpiDev()
self.__spi.open(0, 0)
self.__sensors = []
self.__thread = Thread(target=self.__run, daemon=True)
self.__stop = Event()
self.__lock = Lock()
self.__thread.start()
def __init__(self, bus=0, device=0):
"""initializes the SPI bus for the ADS1293
"""
self.bus, self.device = bus, device
self.spi = SpiDev()
self.open()
self.inax_max = [0, 0, 0]
self.inax_min = [0, 0, 0]
self.inax_zero = [0, 0, 0]
def __init__(self, bus=0, device=0):
"""
Initialize SPI device for MCP3008
:param bus: SPI bus (usually 0)
:param device: SPI slave (SS/CS/CE)
"""
self.spi = SpiDev()
self.spi.open(bus, device)
self.spi.max_speed_hz = 100000
def __init__(self, port, device):
self._port = port
self._device = device
self._interface = None
if SpiDev is None:
raise ImportError('failed to import spidev')
self._interface = SpiDev()
self._interface.open(port, device)
self._interface.max_speed_hz = 1000000
def open(self):
"""Open an SPI connection to a slave"""
self._spi_port = SpiDev()
self._spi_port.open(0, 0)
self._spi_port.max_speed_hz = int(3E6)
self._spi_port.mode = 0b00
GPIO.setup(self.DC_PIN, GPIO.OUT)
GPIO.setup(self.RESET_PIN, GPIO.OUT)
GPIO.setup(self.BUSY_PIN, GPIO.IN)
def __init__(self, spinum, sipmpins, chippins):
self.spi = SpiDev(spinum, 0)
self.spi.mode = 3
self.spi.max_speed_hz = 1000000
self.sipmpins = ['P9_%i' % num for num in sipmpins]
self.chippins = ['P9_%i' % num for num in chippins]
for pin in self.sipmpins + self.chippins:
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin, GPIO.LOW)
def __init__(self, device=0, bits=None):
if bits is None:
raise InputDeviceError('you must specify the bit resolution of the device')
if device not in (0, 1):
raise InputDeviceError('device must be 0 or 1')
self._device = device
self._bits = bits
self._spi = SpiDev()
self._spi.open(0, self.device)
super(AnalogInputDevice, self).__init__()
def _setup_spi(self):
if self.spi is None:
from spidev import SpiDev
self.spi = SpiDev()
self.spi.open(0, 1)
self.spi.max_speed_hz = 9600
self.spi.mode = 0b00
self.spi.bits_per_word = 8
self.spi.cshigh = True
self.spi.lsbfirst = False
def __init__(self, DO_DIRECTION_PIN, DO_RESET_PIN, DI_FAULT_PIN, ARGS):
self.REG = { # AMIS-30543 Registers
'WR': 0x00,
'CR0': 0x01,
'CR1': 0x02,
'CR2': 0x03,
'CR3': 0x09,
'SR0': 0x04,
'SR1': 0x05,
'SR2': 0x06,
'SR3': 0x07,
'SR4': 0x0A
}
self.CMD = { # AMIS-30543 Command constants
'READ': 0x00,
'WRITE': 0x80
}
self.dirctrl = ARGS[0]
self.pwmf = ARGS[1]
self.pwmj = ARGS[2]
self.sm = ARGS[3]
self.mult = ARGS[4]
self.dist = ARGS[5]
self.step = ARGS[6]
self.VAL = {
'WR': 0b00000000, # no watchdog
'CR0': 0b00010111 | self.sm, # & 2.7 A current limit
'CR1': 0b00000000 | self.dirctrl | self.pwmf
| self.pwmj, # & step on rising edge & fast slopes
'CR2':
0b00000000, # motor off & no sleep & SLA gain @ 0.5 & SLA no transparent
'CR3':
0b00000000 #, # no extended step mode
#'dist': self.dist,
#'step': self.step
}
# InitGPIO
PWM.setup(5, 0) # 5 us pulse_incr, 0 delay_hw
PWM.init_channel(0, 3000) # DMA channel 0, 3000 us subcycle time
self.DO_RESET = gpiozero.DigitalOutputDevice(DO_RESET_PIN)
self.DO_DIRECTION = gpiozero.DigitalOutputDevice(DO_DIRECTION_PIN)
self.DI_NO_FAULT = gpiozero.DigitalInputDevice(DI_FAULT_PIN)
self.spi = SpiDev()
self.spi.open(0, 0)
self.spi.max_speed_hz = 1000000
self.RegisterSet()
def open(self):
if self.__connection:
return
self.acquire_lock()
self.__connection = SpiDev()
self.__connection.open(self.__bus, self.__device)
self.__connection.mode = self.__mode
self.__connection.max_speed_hz = self.__max_speed
def __init__(
self,
bus=1,
channel=0,
device=1,
):
"""Define which SPI device is the A/D Converter on."""
self.bus = bus
self.device = device
self.channel = channel
self.spi = SpiDev()
class SPIDataLink(DataLink):
"""Clase que gestiona un enlace Serial Peripheral Interface (SPI).
:param max_speed: máxima velocidad en herzios del enlace de datos.
:param bus: Identificador del bus SPI que se usa para el enlace de datos.
:param device: Línea de selección de chip SPI activa en el enlace de datos.
Ejemplo de uso para pedir una medida del primer canal analógico de un
conversor ADC MCP3202 conectado a la línea de selección de chip 0 de Raspberry Pi:
>>> from pida.links import SPIDataLink
>>> link = SPIDataLink(1000000, 0, 0)
>>> link.open()
>>> request = [1, 2 << 6, 0]
>>> response = link.transfer(request)
>>> link.close()
"""
def __init__(self, max_speed, bus, device):
DataLink.__init__(self, max_speed)
self._bus = bus
self._device = device
self._spi = SpiDev()
@property
def bus(self):
"""Identificador del bus SPI que se usa para el enlace de datos.
.. note:: Raspberry Pi ofrece a través de su puerto GPIO
un único bus SPI cuyo identificador es 0.
Es una propiedad de sólo lectura.
"""
return self._bus
@property
def device(self):
"""Línea de selección de chip SPI activa en el enlace de datos.
.. note:: El bus SPI 0 de Raspberry Pi puede, a través del puerto GPIO,
activar dos líneas de selección de chip SPI: 0 y 1.
Es una propiedad de sólo lectura.
"""
return self._device
def open(self):
self._spi.open(self._bus, self._device)
self._spi.max_speed_hz = self.max_speed
def close(self):
self._spi.close()
def transfer(self, data):
return self._spi.xfer2(data)
def __init__(self, device, ce, config):
"""
Args:
device (int): the number of SPI device
ce (int): the number of chip select of SPI device
config (SPIConfig):
"""
self._device = device
self._ce = ce
self._config = config
self._spi = SpiDev()
class AnalogSensors(SensorApi):
def __init__(self):
self.__spi = SpiDev()
self.__spi.open(0, 0)
self.__sensors = []
self.__thread = Thread(target=self.__run, daemon=True)
self.__stop = Event()
self.__lock = Lock()
self.__thread.start()
def __del__(self):
self.__stop.set()
self.__thread.join(10)
def __len__(self):
return self.__sensors.__len__()
def __contains__(self, item):
return len([i for i in self if i.sensor_id == item]) > 0
def __iter__(self):
return self.__sensors.__iter__()
def __getitem__(self, item):
return [i for i in self if i.sensor_id == item][0]
def __run(self):
while not self.__stop.wait(1):
self.__update_sensors()
def __update_sensors(self):
sensors = self.__poll_sensors()
with self.__lock:
self.__sensors = sensors
def __readadc(self, adcnum):
r = self.__spi.xfer2([1, 8 + adcnum << 4, 0])
adcout = ((r[1] & 3) << 8) + r[2]
return adcout
def __get_values(self):
values = {}
for i in range(8):
name = 'analog-{}'.format(i)
values[name] = self.__readadc(i)
return values
def __poll_sensors(self):
sensors = [
SensorInfo(sensor_id=k, value=v, unit="C")
for k, v in self.__get_values().items()
]
return sensors
class AnalogInputDevice(CompositeDevice):
"""
Represents an analog input device connected to SPI (serial interface).
"""
def __init__(self, device=0, bits=None):
if bits is None:
raise InputDeviceError(
'you must specify the bit resolution of the device')
if device not in (0, 1):
raise InputDeviceError('device must be 0 or 1')
self._device = device
self._bits = bits
self._spi = SpiDev()
self._spi.open(0, self.device)
super(AnalogInputDevice, self).__init__()
def close(self):
"""
Shut down the device and release all associated resources.
"""
if self._spi:
s = self._spi
self._spi = None
s.close()
super(AnalogInputDevice, self).close()
@property
def bus(self):
"""
The SPI bus that the device is connected to. As the Pi only has a
single (user accessible) SPI bus, this always returns 0.
"""
return 0
@property
def device(self):
"""
The select pin that the device is connected to. The Pi has two select
pins so this will be 0 or 1.
"""
return self._device
def _read(self):
raise NotImplementedError
@property
def value(self):
"""
A value read from the device. This will be a floating point value
between 0 and 1 (scaled according to the number of bits supported by
the device).
"""
return self._read() / (2**self._bits - 1)
class AnalogInputDevice(CompositeDevice):
"""
Represents an analog input device connected to SPI (serial interface).
"""
def __init__(self, device=0, bits=None):
if bits is None:
raise InputDeviceError('you must specify the bit resolution of the device')
if device not in (0, 1):
raise InputDeviceError('device must be 0 or 1')
self._device = device
self._bits = bits
self._spi = SpiDev()
self._spi.open(0, self.device)
super(AnalogInputDevice, self).__init__()
def close(self):
"""
Shut down the device and release all associated resources.
"""
if self._spi:
s = self._spi
self._spi = None
s.close()
super(AnalogInputDevice, self).close()
@property
def bus(self):
"""
The SPI bus that the device is connected to. As the Pi only has a
single (user accessible) SPI bus, this always returns 0.
"""
return 0
@property
def device(self):
"""
The select pin that the device is connected to. The Pi has two select
pins so this will be 0 or 1.
"""
return self._device
def _read(self):
raise NotImplementedError
@property
def value(self):
"""
A value read from the device. This will be a floating point value
between 0 and 1 (scaled according to the number of bits supported by
the device).
"""
return self._read() / (2**self._bits - 1)
def __init__(self, factory, port, device):
self._port = port
self._device = device
self._interface = None
if SpiDev is None:
raise ImportError('failed to import spidev')
super(LocalPiHardwareSPI, self).__init__()
pins = SPI_HARDWARE_PINS[port]
self.pin_factory.reserve_pins(self, pins['clock'], pins['mosi'],
pins['miso'], pins['select'][device])
self._interface = SpiDev()
self._interface.open(port, device)
self._interface.max_speed_hz = 500000
class SpiDevice(object):
def __init__(self, bus, device):
self.spi = SpiDev()
self.bus = bus
self.device = device
def init(self):
self.spi.open(self.bus, self.device)
def transfer(self, data):
return self.spi.xfer2(data)
def close(self):
self.spi.close()
def run():
"""
Launches the main loop
"""
GPIO.setmode(GPIO.BOARD)
GPIO.setup(ALERT_PIN, GPIO.OUT)
try:
spi = SpiDev()
spi.open(0, 0)
api = XivelyAPIClient(XIVELY_API_KEY)
feed = api.feeds.get(XIVELY_FEED_ID)
moisture = get_datastream(feed, "water")
light = get_datastream(feed, "light")
temp = get_datastream(feed, "temp")
sent_notification = False
while True:
moisture.current_value = readadc(spi, ADC_MOISTURE_PIN)
moisture.at = datetime.utcnow()
light.current_value = readadc(spi, ADC_LIGHT_PIN)
light.at = datetime.utcnow()
temp.current_value = "%.2f" % convert_temp(readadc(spi, ADC_TMP_PIN))
temp.at = datetime.utcnow()
if(DEBUG):
print("Moisture: %d, light: %d, temp: %s" % (
moisture.current_value,
light.current_value,
temp.current_value))
if(moisture.current_value < MOISTURE_THRESHOLD):
if(not sent_notification):
send_pushover_msg(
"Please water your plant: %s" % moisture.current_value)
sent_notification = True
GPIO.output(ALERT_PIN, GPIO.HIGH)
else:
sent_notification = False
GPIO.output(ALERT_PIN, GPIO.LOW)
try:
moisture.update()
light.update()
temp.update()
except Exception as e:
print("%s" % e.strerror)
time.sleep(UPDATE_DELAY)
finally:
GPIO.cleanup()
def __init__(self, dev):
self.dev = SpiDev()
try:
self.dev.open(4,dev)
except IOError as e:
print("Error opening /dev/spidev4.%d: %s" % (dev, e))
raise
def __init__(self, bus = 0, channel_select = 1):
self.bus = SpiDev()
self.bus.open(bus,channel_select)
self.reset()
self.buff=[]
self.run = True
self.timestamp = time()
class MCP3008:
def __init__(self, bus = 0, device = 0):
self.bus, self.device = bus, device
self.spi = SpiDev()
self.open()
def open(self):
self.spi.open(self.bus, self.device)
def read(self, channel = 0):
adc = self.spi.xfer2([1, (8 + channel) << 4, 0])
data = ((adc[1] & 3) << 8) + adc[2]
return data
def close(self):
self.spi.close()
def __init__(self, device=0, bits=None):
if bits is None:
raise InputDeviceError("you must specify the bit resolution of the device")
if device not in (0, 1):
raise InputDeviceError("device must be 0 or 1")
self._device = device
self._bits = bits
self._spi = SpiDev()
self._spi.open(0, self.device)
def __init__(self, device=0, bits=None):
if bits is None:
raise InputDeviceError('you must specify the bit resolution of the device')
if device not in (0, 1):
raise InputDeviceError('device must be 0 or 1')
self._device = device
self._bits = bits
self._spi = SpiDev()
self._spi.open(0, self.device)
super(AnalogInputDevice, self).__init__()
class AnalogInputDevice(object):
"""
Represents an analog input device connected to SPI (serial interface).
"""
def __init__(self, device=0, bits=None):
if bits is None:
raise InputDeviceError("you must specify the bit resolution of the device")
if device not in (0, 1):
raise InputDeviceError("device must be 0 or 1")
self._device = device
self._bits = bits
self._spi = SpiDev()
self._spi.open(0, self.device)
def close(self):
if self._spi:
s = self._spi
self._spi = None
s.close()
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, exc_tb):
self.close()
@property
def bus(self):
return 0
@property
def device(self):
return self._device
def _read(self):
raise NotImplementedError
@property
def value(self):
return self._read() / (2 ** self._bits - 1)
class MCP3008(object):
"""Class for MCP3008 ADC"""
def __init__(self, port=0, device=0):
self.spi = SpiDev()
# connect spi object to specified spi device
self.spi.open(port, device)
def readValueChannel(self, channel=0):
"""
read SPI data from MCP3008 on channel -> digital value
spi.xfer2() send three bytes to the device
the first byte is 1 -> 00000001
the second byte is 8 + channel and left shift with 4 bits
the third byte is 0 -> 00000000
the device return 3 bytes as responce
"""
# perform spi transaction
adc = self.spi.xfer2([1, (8 + channel) <<4, 0])
# extract value from data bytes
data = ((adc[1] & 3) << 8) + adc[2]
return data
def readVoltChannel(self, channel=0, vmax=3.3, places=5):
"""
read the digital data from MCP3008 and convert it to voltage
MCP3008: 10bit ADC -> value in number range 0-1023
spi value -> voltage
0 -> 0v
1023 -> vmax
"""
# read spi digital value
adc = self.spi.xfer2([1, (8 + channel) <<4, 0])
data = ((adc[1] & 3) << 8) + adc[2]
# convert it to voltage
volts = (data * vmax) / float(1023)
# round to specified number of decimal places
volts = round(volts, places)
return volts
class MCP3008:
def __init__(self, bus = 0, device = 0, channel = 0):
self.bus, self.device, self.channel = bus, device, channel
self.spi = SpiDev()
def __enter__(self):
self.open()
return self
def open(self):
self.spi.open(self.bus, self.device)
def read(self):
adc = self.spi.xfer2([1, (8 + self.channel) << 4, 0])
data = ((adc[1] & 3) << 8) + adc[2]
return data
def __exit__(self, type, value, traceback):
self.close()
def close(self):
self.spi.close()
def __init__(self, device=0, chipselect=0, debug=False):
self.device = device
self.chipselect = chipselect
self.debug = debug
try:
try:
# Initialize GPIOs
GPIO.setmode(GPIO.BCM) # Use Broadcom numbers
GPIO.setwarnings(False)
GPIO.setup(self.GPIO_RESET, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(self.GPIO_IRQ, GPIO.IN, pull_up_down=GPIO.PUD_OFF)
GPIO.add_event_detect(self.GPIO_IRQ, GPIO.RISING)
time.sleep(0.05)
except RuntimeError as e:
raise PhyError("Failed to initialize GPIOs: %s" %\
str(e))
# Initialize SPI
try:
self.spi = SpiDev()
self.spi.open(device, chipselect)
except IOError as e:
raise PhyError("Failed to open SPI device %d.%d: %s" %\
(device, chipselect, str(e)))
try:
self.spi.mode = 0;
self.spi.bits_per_word = 8;
self.spi.cshigh = False
self.spi.lsbfirst = False
self.spi.max_speed_hz = 200000;
except IOError as e:
try:
self.spi.close()
self.spi = None
except:
pass
raise PhyError("Failed to configure SPI device %d.%d: %s" %\
(device, chipselect, str(e)))
# Get the controller out of hardware reset
GPIO.output(self.GPIO_RESET, GPIO.HIGH)
time.sleep(0.2)
# Send a software reset
self.sendReset()
# Upload default config
self.profibusSetPhyConfig()
except:
GPIO.cleanup()
raise
class Temperature(object):
def __init__(self, major=0, minor=0):
self.spi = SpiDev()
self.spi.open(major, minor)
def rawread(self):
return self.spi.xfer2([0, 0])
def read(self):
return self.calc_temp(self.rawread())
@staticmethod
def calc_temp(buf):
return (((buf[0] << 8) | buf[1]) >> 3) * 0.0625
def cleanup(self):
self.spi.close()
def __enter__(self):
return self
def __exit__(self, type_, value, traceback):
self.cleanup()
def __init__(self, factory, port, device):
self._port = port
self._device = device
self._interface = None
if SpiDev is None:
raise ImportError('failed to import spidev')
super(LocalPiHardwareSPI, self).__init__()
pins = SPI_HARDWARE_PINS[port]
self.pin_factory.reserve_pins(
self,
pins['clock'],
pins['mosi'],
pins['miso'],
pins['select'][device]
)
self._interface = SpiDev()
self._interface.open(port, device)
self._interface.max_speed_hz = 500000
def __init__(self, port, device):
self._device = None
super(SPIHardwareInterface, self).__init__()
# XXX How can we detect conflicts with existing GPIO instances? This
# isn't ideal ... in fact, it's downright crap and doesn't guard
# against conflicts created *after* this instance, but it's all I can
# come up with right now ...
conflicts = (11, 10, 9, (8, 7)[device])
with _PINS_LOCK:
for pin in _PINS:
if pin.number in conflicts:
raise GPIOPinInUse(
'pin %r is already in use by another gpiozero object' % pin
)
self._device_num = device
self._device = SpiDev()
self._device.open(port, device)
self._device.max_speed_hz = 500000
def __init__(self, spidevice=0):
'''
Basic constructor for our driver class.
@param: spidevice - the SPI device to be used.
Acts as a chip-enable. The Raspberry PI B+ has two such device
output pins in-built.
Defaults to 0.
@return: None
'''
if spidevice != 1:
spidevice = 0
self.__spi = SpiDev()
self.__spi.mode = 0b01
self.__spi.open(0, spidevice)
self.__buffer = [0] * 24
def __init__(self, port=0, device=0):
self.spi = SpiDev()
# connect spi object to specified spi device
self.spi.open(port, device)
def __init__(self, bus = 0, device = 0, channel = 0):
self.bus, self.device, self.channel = bus, device, channel
self.spi = SpiDev()
def __init__(self, bus, device, configuration):
self._bus = bus
self._device = device
self._configuration = configuration
self._spi = SpiDev()
class cc2500:
REG_MARCSTATE = 0xC0 | 0x35
CMD_SRES = 0x30
CMD_SFSTXON = 0x31
CMD_SXOFF = 0x32
CMD_XCAL = 0x33
CMD_SRX = 0x34
CMD_STX = 0x35
CMD_SIDLE = 0x36
CMD_SWOR = 0x38
CMD_SPWD = 0x39
CMD_SFRX = 0x3A
CMD_SFTX = 0x3B
CMD_SWORRST = 0x3C
CMD_SNOP = 0x3D
CMD_PATABLE = 0x3E
CMD_TXFIFO = 0x3F
CMD_SINGLE_WRITE = 0x00
CMD_BRUST_WRITE = 0x40
CMD_SINGLE_READ = 0x80
CMD_BRUST_READ = 0xC0
# get Main Radio Control State Machine State
def __init__(self, bus = 0, channel_select = 1):
self.bus = SpiDev()
self.bus.open(bus,channel_select)
self.reset()
self.buff=[]
self.run = True
self.timestamp = time()
def get_STATE(self):
return self.bus.xfer2([self.REG_MARCSTATE,0x00])[1]
def set_reg(self,reg, byte):
return self.bus.xfer2([reg, byte])
def get_reg(self, reg):
return self.bus.xfer2([0x80 | reg, 0x00])
def info(self):
state = self.get_STATE()
txbyte = self.get_TXBYTES()
rxbyte = self.get_RXBYTES()
print "state : %d , tx: %d , rx: %d " % (state, txbyte, rxbyte)
##
## COMMAND
##
def STX(self):
return self.bus.xfer2([self.CMD_STX])
def SRX(self):
return self.bus.xfer2([self.CMD_SRX])
def SIDLE(self):
return self.bus.xfer2([self.CMD_SIDLE])
def SFRX(self):
return self.bus.xfer2([self.CMD_SFRX])
def SFTX(self):
return self.bus.xfer2([self.CMD_SFTX])
def SRES(self):
return self.bus.xfer2([self.CMD_SRES])
def reset(self):
self.SRES()
reg_config = [0x0B, 0x2E, 0x06, 0x07, 0xD3, 0x91, 0x61, 0x04,
0x45, 0x00, 0x00, 0x09, 0x00, 0x5D, 0x93, 0xB1,
0x2D, 0x3B, 0x73, 0x22, 0xF8, 0x01, 0x07, 0x00,
0x18, 0x1D, 0x1C, 0xC7, 0x00, 0xB2, 0x87, 0x6B,
0xF8, 0xB6, 0x10, 0xEA, 0x0A, 0x00, 0x11, 0x41,
0x00, 0x59, 0x7F, 0x3F, 0x88, 0x31, 0x0B ]
for reg, val in enumerate(reg_config):
self.bus.xfer2([reg, val])
self.SIDLE()
self.SFRX()
self.SFTX()
## FIFO buffer 64byte
def send(self,package):
tmp = []
if type(package) == str:
tmp = [ord(i) for i in package]
else:
tmp = list(package)
tmp = [self.CMD_TXFIFO | self.CMD_BRUST_WRITE ,len(tmp)] + tmp
print "send"
print tmp
self.bus.xfer2(tmp) # write package to fifo buffer (max 64byte)
if self.get_STATE() == 22:
self.SFTX()
self.SIDLE()
return -1
self.STX()
return 0
def get_package_RXFIFO(self):
len_FIFO = self.get_RXBYTES()
p_len = self.get_byte_RXFIFO()
data = self.bus.xfer2([self.CMD_BRUST_READ | 0x3F for i in range(len_FIFO)])
self.buff.append(data)
def get_byte_RXFIFO(self):
return self.bus.xfer2( [ self.CMD_SINGLE_READ | 0x3F , 0x00])[1]
def set_byte_TXFIFO(self, byte):
return self.bus.xfer2( [ self.CMD_SINGLE_WRITE | 0x3F , byte])[1]
def get_TXBYTES(self):
return self.bus.xfer2([0xC0 | 0x3A, 0x00])[1]
def get_RXBYTES(self):
return self.bus.xfer2([0xC0 | 0x3B, 0x00])[1]
def stop(self):
self.run = False
def start(self):
self.thread = Thread(target=self.receive_loop, args=())
self.run = True
self.thread.start()
def receive_loop(self):
while self.run :
state = self.get_STATE()
rxbytes = self.get_RXBYTES()
txbytes = self.get_TXBYTES()
if(state in [13,8,9,10,11]):
#print state
sleep(0.1)
continue
elif( (state == 1) and (rxbytes > 0)):
#print state
self.get_package_RXFIFO()
self.SRX()
elif(state == 1):
#print state
self.SIDLE()
self.SRX()
elif(state == 17):
#print state
self.SFRX()
self.SIDLE()
self.SRX()
else:
#print state
self.reset()
sleep(0.1)
if time() > (self.timestamp + 10 ):
print "reset"
self.timestamp = time()
self.reset()
sleep(0.1)
if len(self.buff) > 0:
data = self.buff.pop(0)[1:-2]
msg = ''.join([chr(i) for i in data])
print(msg)
import Adafruit_BBIO.GPIO as GPIO
from spidev import SpiDev
import time
import datetime
spi = SpiDev(1, 0)
spi.mode = 3
spi.max_speed_hz = 200000
#spi.xfer2([0x0])
GPIO.setup("P9_11", GPIO.OUT) # A0 sipm select bit0
GPIO.setup("P9_12", GPIO.OUT) # A1 sipm select bit1
GPIO.setup("P9_13", GPIO.OUT) # A2 sipm select bit2
GPIO.setup("P9_14", GPIO.OUT) # A3 sipm select bit3
GPIO.setup("P9_15", GPIO.OUT) # A5 chip select bit0
GPIO.setup("P9_16", GPIO.OUT) # A6 chip select bit1
#chip select map
# 0: nc
# 1: pga
# 2: temp
# 3: mem
GPIO.output("P9_11", GPIO.LOW)
GPIO.output("P9_12", GPIO.LOW)
GPIO.output("P9_13", GPIO.LOW)
GPIO.output("P9_14", GPIO.LOW)
GPIO.output("P9_15", GPIO.LOW)
def __init__(self, bus = 0, device = 0):
self.bus, self.device = bus, device
self.spi = SpiDev()
self.open()
class CpPhy(object):
# Profibus baud-rates
PB_PHY_BAUD_9600 = 0
PB_PHY_BAUD_19200 = 1
PB_PHY_BAUD_45450 = 2
PB_PHY_BAUD_93750 = 3
PB_PHY_BAUD_187500 = 4
PB_PHY_BAUD_500000 = 5
PB_PHY_BAUD_1500000 = 6
PB_PHY_BAUD_3000000 = 7
PB_PHY_BAUD_6000000 = 8
PB_PHY_BAUD_12000000 = 9
# RTS mode
PB_PHY_RTS_ALWAYS_LO = 0
PB_PHY_RTS_ALWAYS_HI = 1
PB_PHY_RTS_SENDING_HI = 2
PB_PHY_RTS_SENDING_LO = 3
# GPIO numbers (BCM)
GPIO_RESET = 17
GPIO_IRQ = 27
GPIO_SS = 8
GPIO_MISO = 9
GPIO_MOSI = 10
GPIO_SCK = 11
baud2id = {
9600 : PB_PHY_BAUD_9600,
19200 : PB_PHY_BAUD_19200,
45450 : PB_PHY_BAUD_45450,
93750 : PB_PHY_BAUD_93750,
187500 : PB_PHY_BAUD_187500,
500000 : PB_PHY_BAUD_500000,
1500000 : PB_PHY_BAUD_1500000,
3000000 : PB_PHY_BAUD_3000000,
6000000 : PB_PHY_BAUD_6000000,
12000000 : PB_PHY_BAUD_12000000,
}
def __init__(self, device=0, chipselect=0, debug=False):
self.device = device
self.chipselect = chipselect
self.debug = debug
try:
try:
# Initialize GPIOs
GPIO.setmode(GPIO.BCM) # Use Broadcom numbers
GPIO.setwarnings(False)
GPIO.setup(self.GPIO_RESET, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(self.GPIO_IRQ, GPIO.IN, pull_up_down=GPIO.PUD_OFF)
GPIO.add_event_detect(self.GPIO_IRQ, GPIO.RISING)
time.sleep(0.05)
except RuntimeError as e:
raise PhyError("Failed to initialize GPIOs: %s" %\
str(e))
# Initialize SPI
try:
self.spi = SpiDev()
self.spi.open(device, chipselect)
except IOError as e:
raise PhyError("Failed to open SPI device %d.%d: %s" %\
(device, chipselect, str(e)))
try:
self.spi.mode = 0;
self.spi.bits_per_word = 8;
self.spi.cshigh = False
self.spi.lsbfirst = False
self.spi.max_speed_hz = 200000;
except IOError as e:
try:
self.spi.close()
self.spi = None
except:
pass
raise PhyError("Failed to configure SPI device %d.%d: %s" %\
(device, chipselect, str(e)))
# Get the controller out of hardware reset
GPIO.output(self.GPIO_RESET, GPIO.HIGH)
time.sleep(0.2)
# Send a software reset
self.sendReset()
# Upload default config
self.profibusSetPhyConfig()
except:
GPIO.cleanup()
raise
def cleanup(self):
self.spi.close()
self.spi = None
GPIO.cleanup()
# Poll for received packet.
# timeout => In seconds. 0 = none, Negative = unlimited.
def poll(self, timeout=0):
limit = TimeLimited(timeout)
while GPIO.event_detected(self.GPIO_IRQ):
if limit.exceed():
return None
limit.sleep(0.001)
limit.add(0.5)
while not limit.exceed():
fc = self.spi.readbytes(1)[0]
if fc != CpPhyMessage.RPI_PACK_NOP:
break
else:
return None
reply = [ fc ]
reply.extend(self.spi.readbytes(CpPhyMessage.RASPI_PACK_HDR_LEN - 1))
payloadLen = reply[1] & 0xFF
if payloadLen:
reply.extend(self.spi.readbytes(payloadLen))
message = CpPhyMessage(0)
message.setRawData(reply)
if self.debug:
print("[PHY] recv msg:", message)
return message
def __sendMessage(self, message):
if self.debug:
print("[PHY] send msg:", message)
self.spi.writebytes(message.getRawData())
def sendReset(self):
self.__sendMessage(CpPhyMessage(CpPhyMessage.RPI_PACK_RESET))
reply = self.poll(timeout=-1)
if reply.fc != CpPhyMessage.RPI_PACK_ACK:
raise PhyError("Failed to reset PHY")
def profibusSetPhyConfig(self, baudrate=19200,
rxTimeoutMs=100,
bitErrorChecks=True,
rtsMode=PB_PHY_RTS_SENDING_HI):
try:
baudID = self.baud2id[baudrate]
except KeyError:
raise PhyError("Invalid baud-rate")
if rxTimeoutMs < 1 or rxTimeoutMs > 255:
raise PhyError("Invalid RX timeout")
payload = [ baudID,
rxTimeoutMs,
1 if bitErrorChecks else 0,
rtsMode & 0xFF ]
message = CpPhyMessage(CpPhyMessage.RPI_PACK_SETCFG, payload)
self.__sendMessage(message)
reply = self.poll(timeout=-1)
if reply.fc != CpPhyMessage.RPI_PACK_ACK:
raise PhyError("Failed to upload config")
def profibusSend_SDN(self, telegramData):
self.__sendMessage(CpPhyMessage(CpPhyMessage.RPI_PACK_PB_SDN,
telegramData))
def profibusSend_SRD(self, telegramData):
self.__sendMessage(CpPhyMessage(CpPhyMessage.RPI_PACK_PB_SRD,
telegramData))
class SPIHardwareInterface(Device):
def __init__(self, port, device):
self._device = None
super(SPIHardwareInterface, self).__init__()
# XXX How can we detect conflicts with existing GPIO instances? This
# isn't ideal ... in fact, it's downright crap and doesn't guard
# against conflicts created *after* this instance, but it's all I can
# come up with right now ...
conflicts = (11, 10, 9, (8, 7)[device])
with _PINS_LOCK:
for pin in _PINS:
if pin.number in conflicts:
raise GPIOPinInUse(
'pin %r is already in use by another gpiozero object' % pin
)
self._device_num = device
self._device = SpiDev()
self._device.open(port, device)
self._device.max_speed_hz = 500000
def close(self):
if self._device:
try:
self._device.close()
finally:
self._device = None
super(SPIHardwareInterface, self).close()
@property
def closed(self):
return self._device is None
def __repr__(self):
try:
self._check_open()
return (
"hardware SPI on clock_pin=11, mosi_pin=10, miso_pin=9, "
"select_pin=%d" % (
8 if self._device_num == 0 else 7))
except DeviceClosed:
return "hardware SPI closed"
def read(self, n):
return self.transfer((0,) * n)
def write(self, data):
return len(self.transfer(data))
def transfer(self, data):
"""
Writes data (a list of integer words where each word is assumed to have
:attr:`bits_per_word` bits or less) to the SPI interface, and reads an
equivalent number of words, returning them as a list of integers.
"""
return self._device.xfer2(data)
def _get_clock_mode(self):
return self._device.mode
def _set_clock_mode(self, value):
self._device.mode = value
def _get_clock_polarity(self):
return bool(self.mode & 2)
def _set_clock_polarity(self, value):
self.mode = self.mode & (~2) | (bool(value) << 1)
def _get_clock_phase(self):
return bool(self.mode & 1)
def _set_clock_phase(self, value):
self.mode = self.mode & (~1) | bool(value)
def _get_lsb_first(self):
return self._device.lsbfirst
def _set_lsb_first(self, value):
self._device.lsbfirst = bool(value)
def _get_select_high(self):
return self._device.cshigh
def _set_select_high(self, value):
self._device.cshigh = bool(value)
def _get_bits_per_word(self):
return self._device.bits_per_word
def _set_bits_per_word(self, value):
self._device.bits_per_word = value
clock_polarity = property(_get_clock_polarity, _set_clock_polarity)
clock_phase = property(_get_clock_phase, _set_clock_phase)
clock_mode = property(_get_clock_mode, _set_clock_mode)
lsb_first = property(_get_lsb_first, _set_lsb_first)
select_high = property(_get_select_high, _set_select_high)
bits_per_word = property(_get_bits_per_word, _set_bits_per_word)
class SPIDataLink(FullDuplexDataLink):
"""Clase que gestiona un enlace Serial Peripheral Interface (SPI).
:param bus: Identificador del bus SPI que se usa para el enlace de datos.
:param device: Línea de selección de chip SPI activa en el enlace de datos.
:param configuration: Configuración del enlace de datos
Ejemplo de uso:
>>> from pida.links import SPIDataLinkConfiguration, SPIDataLink
>>> configuration = SPIDataLinkConfiguration(mode=0, max_speed_hz=32000000)
>>> with SPIDataLink(0, 0, configuration) as link:
request = [0x00, 0x01, 0xFF]
response = link.transfer(request)
>>> response
[0, 1, 255]
"""
def __init__(self, bus, device, configuration):
self._bus = bus
self._device = device
self._configuration = configuration
self._spi = SpiDev()
def _apply_configuration(self):
self._spi.mode = self._configuration.mode
self._spi.max_speed_hz = self._configuration.max_speed_hz
@property
def bus(self):
"""Identificador del bus SPI que se usa para el enlace de datos.
.. note:: Raspberry Pi ofrece a través de su puerto GPIO
un único bus SPI cuyo identificador es 0.
Es una propiedad de sólo lectura.
"""
return self._bus
@property
def device(self):
"""Línea de selección de chip SPI activa en el enlace de datos.
.. note:: El bus SPI 0 de Raspberry Pi puede, a través del puerto GPIO,
activar dos líneas de selección de chip SPI: 0 y 1.
Es una propiedad de sólo lectura.
"""
return self._device
def open(self):
self._spi.open(self._bus, self._device)
self._apply_configuration()
def close(self):
self._spi.close()
def transfer(self, data):
return self._spi.xfer2(data)
def __enter__(self):
self.open()
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.close()
@property
def max_speed_hz(self):
return self._configuration.max_speed_hz
@property
def mode(self):
return self._configuration.mode
print "read eeprom"
cmd = [0x03, 0] + [0 for i in range(8*16)]
res = spi.xfer2(cmd)
print res
if __name__ == "__main__":
GPIO.setup("P9_11", GPIO.OUT)
GPIO.setup("P9_12", GPIO.OUT)
GPIO.setup("P9_13", GPIO.OUT)
GPIO.setup("P9_14", GPIO.OUT)
GPIO.setup("P9_15", GPIO.OUT)
#spi = SPI()
#spi.open(0, 0)
#spi.msh = 0
spi = SpiDev(1,0)
spi.mode = 3
spi.max_speed_hz = 100000
check_eeprom_status()
write_eeprom(3, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15])
GPIO.cleanup()
spi.close()
