def __init__(self, address=0x48, ic=__IC_ADS1015, debug=False):
# Depending on if you have an old or a new Raspberry Pi, you
# may need to change the I2C bus. Older Pis use SMBus 0,
# whereas new Pis use SMBus 1. If you see an error like:
# 'Error accessing 0x48: Check your I2C address '
# change the SMBus number in the initializer below!
self.i2c = wiringpi.I2C()
self.fd = self.i2c.setup(address)
self.address = address
self.debug = debug
# Make sure the IC specified is valid
if(ic == self.__IC_ADS1015):
self.spsDict = self.spsADS1015
elif(ic == self.__IC_ADS1115):
self.spsDict = self.spsADS1115
else:
if (self.debug):
print("ADS1x15: Invalid IC specfied: %h" % ic)
return -1
self.ic = ic
# Set pga value, so that getLastConversionResult() can use it,
# any function that accepts a pga value must update this.
self.pga = 6144
def __init__(self, newCal=False):
addr = 0x0E #compass
self.i2c = wiringpi2.I2C()
self.devMAG = self.i2c.setup(addr)
self.initCompass()
self.offset, self.scaling = self.readCal(newCal)
if DEBUG:
print("offset:%s scaling:%s" %
(str(self.offset), str(self.scaling)))
def __init__(self, addr=ADC_ADR):
self.NAME = DATANAME
self.i2c = wiringpi2.I2C()
self.devADC = self.i2c.setup(addr)
pwrup = self.i2c.read(self.devADC) #flush power up value
if DEBUG == True and pwrup != -1:
print("ADC Ready")
self.i2c.read(self.devADC) #flush first value
time.sleep(BUS_GAP)
self.i2c.write(self.devADC, ADC_CYCLE)
time.sleep(BUS_GAP)
self.i2c.read(self.devADC) #flush first value
def i2c(i2cAddr, i2cMode, i2cData=None):
# i2c = wiringpi2.I2C()
# dev = i2c.setup(0x20) ( not sure about what to pass into the setup function, but presumably a device address? )
# i2c.read(dev)
i2c = wiringpi.I2C()
dev = i2c.setup(0x20)
i2cReturnedData = {
'i2cAddress': i2cAddr,
#'i2cData' : i2c.read(dev)
'i2cData': 'returned data by I2C device'
}
message = Markup('I2C ' + str(i2cAddr) + ' returned : <strong>' +
'(not implemented yet)' + '</strong>')
flash(message, 'success')
return render_template('playground/index.html', **i2cReturnedData)
def __init__(self, i2c_addr=I2C_ADDR):
self.i2c = wp.I2C()
self.fd = self.i2c.setup(i2c_addr)
self._init()
import wiringpi2
wiringpi2.wiringPiSetup()
i2c = wiringpi2.I2C()
class I2C(object):
def __init__(self, address):
self.fd = i2c.setup(address)
self.address = address
def write8(self, reg, val):
v = -1
c = 0
while v < 0:
v = i2c.writeReg8(self.fd, reg, val)
c += 1
#print("%s: write8 %02X <- %02X: %d tries" % (self, reg, val, c))
def write16(self, reg, val):
v = -1
c = 0
while v < 0:
v = i2c.writeReg16(self.fd, reg, val)
c += 1
#print("%s: write16 %02X <- %04X: %d tries" % (self, reg, val, c))
def read16(self, reg):
v = -1
c = 0
def __init__(self, pwmFreq=PWMHZ, addr=PWMADR):
self.i2c = wiringpi2.I2C()
self.devPWM = self.i2c.setup(addr)
self.GPIOsetup(pwmFreq, addr)
def __init__(self):
addr = 0x0E #compass
self.i2c = wiringpi2.I2C()
self.devMAG = self.i2c.setup(addr)
self.initCompass()
