def __init__(self, name, hostname):
'''
'''
self.name = name
self.hostname = hostname
# topic = 'pump/'+name
# client.message_callback_add(topic,self.on_message)
# # wiringpi.wiringPiSetupGpio()
# # wiringpi.pinMode(PORT,1)
# # wiringpi.digitalWrite(PORT,not data['status'])
# gpio.init()
# gpio.setcfg(port.PA10, gpio.OUTPUT)
i2c.init("/dev/i2c-0") #Initialize module to use /dev/i2c-2
i2c.open(0x48) #The slave device address is 0x55
#If we want to write to some register
#i2c.write([0xAA, 0x20]) #Write 0x20 to register 0xAA
#i2c.write([0xAA, 0x10, 0x11, 0x12]) #Do continuous write with start address 0xAA
#If we want to do write and read
data = [0x84,0xc2]
i2c.write([0x01, 0xc2, 0x85 ]) #Set address at 0xAA register
i2c.write([0x00])
threading.Timer(9, publish).start()
threading.Timer)
def write_values(self, lt_value, rt_value, r_x, r_y, lb, rb, axis_b_l,
axis_b_r):
"""
записывает данные в контроллер
:param values:
"""
val_11, val_12 = divmod(lt_value, 256)
val_21, val_22 = divmod(rt_value, 256)
val_31, val_32 = divmod(r_x, 256)
val_41, val_42 = divmod(r_y, 256)
_values = [
ord('a'),
ord('t'),
val_11,
val_12,
val_21,
val_22,
val_31,
val_32,
val_41,
val_42,
lb,
rb,
axis_b_l,
axis_b_r,
0,
0,
]
try:
i2c.write(_values)
except IOError:
self.set_state(OFF)
else:
self.set_state(ON)
def nibble(byte, mode):
byte = (byte & 0xF0) | mode | BLACKLIGHT
i2c.write([byte | ENABLE])
delay_ms(2.0)
i2c.write([byte & ~ENABLE])
nibble(byte, mode)
nibble((byte << 4), mode)
delay_us(40.0)
def ADS1115_GetVal():
i2c.open(ADS1115_ADDRESS)
i2c.write([0x00])
(MSB, LSB) = i2c.read(2)
i2c.close()
Vel = (MSB << 8) + LSB
if (Vel > 32767):
Vel = 0
return Vel
def readBmp180Id(addr=DEVICE): #Slave Device adress i2c.open(addr) # Register Address REG_ID=0xD0 #Set address at 0xD0 register i2c.write( [REG_ID] ) ( chip_id, chip_version ) = i2c.read(2) i2c.close() return (chip_id, chip_version)
def ReadBlock(self, address, key, value):
"""Reads a block from olimex mod-io.
Args:
key: interger, an address where to read data from.
length: integer, how much data to read.
"""
try:
i2c.open(address)
i2c.write(key)
value = i2c.read(value)
i2c.close()
return value
except IOError:
raise DeviceNotFoundException("Could not communicate with device")
def ReadBlock(self, address, key, value):
"""Reads a block from olimex mod-io.
Args:
key: interger, an address where to read data from.
length: integer, how much data to read.
"""
try:
i2c.open(address)
i2c.write(key)
value = i2c.read(value)
i2c.close()
return value
except IOError:
raise DeviceNotFoundException("Could not communicate with device")
def Write(self, address, payload):
"""Sends a request to olimex mod-io.
Args:
key: integer, an address where to wite data.
value:
"""
data = []
for val in payload:
data.append(val)
print(data)
try:
i2c.open(address)
i2c.write(data)
i2c.close()
except IOError:
raise DeviceNotFoundException("Could not communicate with device")
def Write(self, address, payload):
"""Sends a request to olimex mod-io.
Args:
key: integer, an address where to wite data.
value:
"""
data = []
for val in payload:
data.append(val)
print(data)
try:
i2c.open(address)
i2c.write(data)
i2c.close()
except IOError:
raise DeviceNotFoundException("Could not communicate with device")
def Write4Bit(data):
data = data << 4
i2c.write([C_LED | data])
time.sleep(0.00001)
i2c.write([C_LED | C_WC | C_EN | data])
time.sleep(0.000001)
i2c.write([C_LED | C_WC | data])
time.sleep(0.0001)
def ReadADC(Address, channel, ref):
config = 0b1000000111000011
config |= (channel << 12)
config |= (ref << 9)
lectura = 0
aux = 0x80
configH = (config >> 8)
configL = config & 0x00FF
i2c.init("/dev/i2c-0")
i2c.open(Address) #Open ADC I2C
i2c.write([0x01, configH, configL]) #Write to Adddress 1 (config register)
i2c.close()
while (lectura != aux):
i2c.open(Address)
high = i2c.read(2)
i2c.close()
lectura = high[0] & aux
i2c.open(Address)
i2c.write([0x00])
i2c.close()
i2c.open(Address)
read = i2c.read(2)
i2c.close()
value = (read[0] << 8) + read[1]
return value
def set_lidar_motor(speed, direction):
i2c.open(ADR_slave) # The slave device address
# set speed
i2c.write([REG_speed]) # speed register,
i2c.write([speed]) # speed a
i2c.write([speed]) # speed b
#i2c.write([0xaa, direction, 0x01]) #direction register, direction, pa$
i2c.close() #End communication with slave device
def set_lidar_motor(speed, direction):
i2c.open(ADR_slave) # The slave device address
# set speed
i2c.write([REG_speed]) # speed register,
i2c.write([speed]) # speed a
i2c.write([speed]) # speed b
#i2c.write([0xaa, direction, 0x01]) #direction register, direction, pa$
i2c.close() #End communication with slave device
from pyA20 import i2c
__author__ = "Stefan Mavrodiev"
__copyright__ = "Copyright 2014, Olimex LTD"
__credits__ = ["Stefan Mavrodiev"]
__license__ = "GPL"
__version__ = "2.0"
__maintainer__ = __author__
__email__ = "*****@*****.**"
eeprom_address = 0x50
"""Initialize i2c bus"""
i2c.init("/dev/i2c-1")
i2c.open(eeprom_address)
"""Set address pointer to the first"""
i2c.write([0x00])
print "Dump eeprom:"
print "=" * 24
print " ",
for i in xrange(16):
print " %x" % i,
print "\t",
for i in xrange(16):
print "%x" % i,
print ""
"""Print data"""
for i in xrange(128):
page = i2c.read(16)
def sendCmd(cmd, *args):
""" send command to oled display """
# TODO:optimize to one i2c write if possible
i2c.write([0x80, cmd])
for arg in args:
i2c.write([0x80, arg])
def sendData(data, *moreData):
""" send data to oled RAM """
output = [0x40, data]
for mData in moreData:
output.append(mData)
i2c.write(output)
def sendDataL(listData):
""" send data to oled RAM """
output = [0x40]
for mData in listData:
output.append(mData)
i2c.write(output)
# Control Register Address CRV_TEMP = 0x2E CRV_PRES = 0x34 # Oversample setting OVERSAMPLE = 0 # 0 - 3 # Read calibration data # Read calibration data from EEPROM <<<<<<< HEAD i2c.open(addr) #Slave Device adress time.sleep(0.05) i2c.write([REG_CALIB]) cal = i2c.read(22) time.sleep(0.05) #cal = bus.read_i2c_block_data(addr, REG_CALIB, 22) ======= i2c.write([REG_CALIB]) cal = i2c.read(22) >>>>>>> 2066dfbee270812bf435b6e815ff896003e6ccf1 # Convert byte data to word values AC1 = getShort(cal, 0) AC2 = getShort(cal, 2) AC3 = getShort(cal, 4) AC4 = getUshort(cal, 6) AC5 = getUshort(cal, 8)
def WriteData(data):
tmp = data & 0xf0
i2c.write([C_LED | tmp])
time.sleep(0.00001)
i2c.write([C_LED | C_WD | C_EN | tmp])
time.sleep(0.0000001)
i2c.write([C_LED | C_WD | tmp])
time.sleep(0.00001)
tmp = (data & 0x0f) << 4
i2c.write([C_LED | tmp])
time.sleep(0.00001)
i2c.write([C_LED | C_WD | C_EN | tmp])
time.sleep(0.0000001)
i2c.write([C_LED | C_WD | tmp])
time.sleep(0.00001)
def ADS1115_INIT():
i2c.open(ADS1115_ADDRESS)
i2c.write([0x01, MSB_Config, LSB_Config])
i2c.close()
The i2c address can be different, but on this specific board is 0x50.
The text will be big mess if python3 is used.
"""
from pyA20 import i2c
__author__ = "Stefan Mavrodiev"
__copyright__ = "Copyright 2014, Olimex LTD"
__credits__ = ["Stefan Mavrodiev"]
__license__ = "GPL"
__version__ = "2.0"
__maintainer__ = __author__
__email__ = "*****@*****.**"
eeprom_address = 0x28
"""Initialize i2c bus"""
i2c.init("/dev/i2c-1")
i2c.open(eeprom_address)
"""while loop between 0 and 255"""
n = 255
li = range(1, 255 + 1) + range(n, 0, -1)
ti = cycle(li)
while True:
sleep(0.01)
i2c.write([0xAA, next(ti)])
i2c.close()
def SetLed():
i2c.write([C_LED])
time.sleep(0.000001)
except RuntimeError:
msg = "Could not load RPi.GPIO library, trying OrangePiZero library"
log.warning(msg)
gpio_available = False
try:
from pyA20.gpio import gpio
from pyA20.gpio import port
from pyA20 import i2c
log.warning("Hello")
i2c.init("/dev/i2c-1") #Initialize module to use /dev/i2c-1
i2c.open(0x68) #The slave device address is 0x68 DS1371
i2c.write([0x04, 0xFF, 0xFF, 0xFF])
#If we want to write to some register
i2c.write([0x07, 0x4F]) #Write 0x0E to register 0x07
# INTCN 1 WDALM 0 AIE 1
#Initialise the GPIO output
gpio.init() #Initialize module. Always called first
# gpio.setcfg(config.gpio_watchdog, gpio.OUTPUT) # Configure the watchdog
gpio.setcfg(config.gpio_cool, gpio.OUTPUT) # Configure the cooling output
gpio.setcfg(config.gpio_reset, gpio.OUTPUT) # Configure Reset as OUTPUT
gpio.output(config.gpio_reset,
gpio.HIGH) # Set the i2c GPIO reset line High
i2c.init("/dev/i2c-0") #Initialize module to use /dev/i2c-0
i2c.open(0x20) #The slave device address is 0x68 DS1371
def read_byte_data(self, adr):
i2c.open(self.address)
i2c.write([adr])
res = i2c.read(1)[0]
i2c.close()
return res
def write_byte(self, adr, byte):
i2c.open(self.address)
i2c.write([adr, byte])
i2c.close()
def set_heat(self, value):
if value > 0:
self.heat = 1.0
if gpio_available:
if config.heater_invert:
GPIO.output(config.gpio_heat, GPIO.LOW)
time.sleep(self.time_step * value)
GPIO.output(config.gpio_heat, GPIO.HIGH)
else:
GPIO.output(config.gpio_heat, GPIO.HIGH)
time.sleep(self.time_step * value)
GPIO.output(config.gpio_heat, GPIO.LOW)
if i2c_gpio_available:
''' Send the PID to the IO spamming thread
Cycle the elements in sequence of
H----- = 8%
H--L-- = 16%
H-L-H- = 25%
F--F-- = 33%
FH-FL- = 43%
FF-F-- = 50%
FF-FH- = 58%
FF-FF- = 67%
FFHFF- = 75%
FFHFFL = 83%
FFFFFL = 92%
FFFFFF = 100%
F = full AC cycle, H = top half, L = bottom half, - = Off
Side (bit 1) only enable during < 92% heat, as its bottom
Rotate the sequence right every half AC cycle (or multiple of)
'''
sequences = [
0b10000000, 0b00000010, 0b10000000, 0b00010010, 0b10001000,
0b00100010, 0b10010000, 0b10010010, 0b11010000, 0b10011010,
0b11010000, 0b11010010, 0b11011010, 0b11010010, 0b11011010,
0b11011010, 0b11111010, 0b11011010, 0b11111010, 0b11011110,
0b11111000, 0b11111100, 0b11111100, 0b11111100
]
output = sequences[int((value * 24) - 1 - self.HEAT_SEQ)]
if self.air > 0.0:
output = output + 1
self.output = ~output
self.HEAT_SEQ = (self.HEAT_SEQ + 1) % 2
log.info('Outputting %00X', self.output)
i2c.write([10, self.output])
else:
self.heat = 0.0
if i2c_gpio_available:
if self.air > 0.0:
output = 1
else:
output = 0
self.output = ~output
log.info('Outputting %00X', self.output)
i2c.write([10, self.output])
if gpio_available:
if config.heater_invert:
GPIO.output(config.gpio_heat, GPIO.HIGH)
else:
GPIO.output(config.gpio_heat, GPIO.LOW)
def readBmp180(addr=DEVICE):
#Slave Device adress
i2c.open(addr)
# Register Addresses
REG_CALIB = 0xAA
REG_MEAS = 0xF4
REG_MSB = 0xF6
REG_LSB = 0xF7
# Control Register Address
CRV_TEMP = 0x2E
CRV_PRES = 0x34
# Oversample setting
OVERSAMPLE = 0 # 0 - 3
# Read calibration data
# Read calibration data from EEPROM
i2c.write([REG_CALIB])
cal = i2c.read(22)
# Convert byte data to word values
AC1 = getShort(cal, 0)
AC2 = getShort(cal, 2)
AC3 = getShort(cal, 4)
AC4 = getUshort(cal, 6)
AC5 = getUshort(cal, 8)
AC6 = getUshort(cal, 10)
B1 = getShort(cal, 12)
B2 = getShort(cal, 14)
MB = getShort(cal, 16)
MC = getShort(cal, 18)
MD = getShort(cal, 20)
print("AC1:",AC1)
print("AC2:",AC2)
print("AC3:",AC3)
print("AC4:",AC4)
print("AC5:",AC5)
print("AC6:",AC6)
print("B1:",B1)
print("B2:",B2)
print("MB:",MB)
print("MC:",MC)
print("MD",MD)
# Read temperature
i2c.write( [REG_MEAS, CRV_TEMP] )
time.sleep(0.015)
i2c.write([0xF6])
( msb, lsb ) = i2c.read( 2 )
UT = (msb << 8) + lsb
print("msb,lsb",msb,lsb)
print("UT",UT)
# Read pressure
i2c.write([REG_MEAS, CRV_PRES + (OVERSAMPLE << 6)])
time.sleep(0.14)
i2c.write([REG_MSB])
(msb, lsb, xsb) = i2c.read(3)
i2c.close()
print("msb,lsb,xsb",msb,lsb,xsb)
UP = ((msb << 16) + (lsb << 8) + xsb) >> (8 - OVERSAMPLE)
print("UP",UP)
# Refine temperature
X1 = ((UT - AC6) * AC5) >> 15
X2 = (MC << 11) / (X1 + MD)
B5 = X1 + X2
temperature = ( B5 + 8 ) >> 4
# Refine pressure
B6 = B5 - 4000
B62 = B6 * B6 >> 12
X1 = (B2 * B62) >> 11
X2 = AC2 * B6 >> 11
X3 = X1 + X2
B3 = (((AC1 * 4 + X3) << OVERSAMPLE) + 2) >> 2
X1 = AC3 * B6 >> 13
X2 = (B1 * B62) >> 16
X3 = ((X1 + X2) + 2) >> 2
B4 = (AC4 * (X3 + 32768)) >> 15
B7 = (UP - B3) * (50000 >> OVERSAMPLE)
P = (B7 * 2) / B4
X1 = ( P >> 8 ) * ( P >> 8 )
X1 = ( X1 * 3038 ) >> 16
X2 = ( -7357 * P ) >> 16
pressure = P + ( (X1 + X2 + 3791) >> 4 )
return ( temperature / 10.0, pressure/ 100.0 )
def WriteCommand(command):
tmp = command & 0xf0
i2c.write([C_LED | tmp])
time.sleep(0.00001)
i2c.write([C_LED | C_WC | C_EN | tmp])
time.sleep(0.0000001)
i2c.write([C_LED | C_WC | tmp])
time.sleep(0.00001)
tmp = (command & 0x0f) << 4
i2c.write([C_LED | tmp])
time.sleep(0.00001)
i2c.write([C_LED | C_WC | C_EN | tmp])
time.sleep(0.0000001)
i2c.write([C_LED | C_WC | tmp])
time.sleep(0.00001)
#!/usr/bin/env python
from pyA20 import i2c
i2c.init("/dev/i2c-0") #Initialize module to use /dev/i2c-0
res = i2c.open(0x20) #The slave device address is 0x2A
i2c.write([0x21]) #Set address at 0x21 ADCL register
value = i2c.read(1) #Read 1 byte
valueL=[hex(x) for x in value]
i2c.write([0x20]) #Set address at 0x20 ADCH register
value = i2c.read(1) #Read 1
valueH=[int(x) for x in value]
total=int(valueL[0],16)+(valueH[0]<<8)
voltage=(total+3.737611)/76.250833
percentage=round((100*(voltage-10.4))/2.2)
percentage=100 if percentage>100 else percentage
percentage=0 if percentage<0 else percentage
print str(percentage)
i2c.close() #End communication with slave device
__author__ = "Stefan Mavrodiev"
__copyright__ = "Copyright 2014, Olimex LTD"
__credits__ = ["Stefan Mavrodiev"]
__license__ = "GPL"
__version__ = "2.0"
__maintainer__ = __author__
__email__ = "*****@*****.**"
eeprom_address = 0x50
"""Initialize i2c bus"""
i2c.init("/dev/i2c-1")
i2c.open(eeprom_address)
"""Set address pointer to the first"""
i2c.write([0x00])
print "Dump eeprom:"
print "="*24
print " ",
for i in xrange(16):
print " %x" % i,
print "\t",
for i in xrange(16):
print "%x" % i,
print ""
"""Print data"""
for i in xrange(128):
