def initADC(miso, mosi, sclk, cs):
spiDev = onionSpi.OnionSpi(1, 32766)
spiDev.delay = 10
spiDev.mode = 0
spiDev.sck = sclk
spiDev.mosi = mosi
spiDev.miso = miso
spiDev.cs = cs
spiDev.speed = 1350000 # for 3.3V supply
spiDev.setVerbosity(0)
# check the device
print 'Checking if device exists...'
ret = spiDev.checkDevice()
print ' Device does not exist: %d' % (ret)
# register the device
print 'Registering the device...'
ret = spiDev.registerDevice()
print ' registerDevice returned: %d' % (ret)
# initialize the device parameters
print 'Initializing the device parameters...'
ret = spiDev.setupDevice()
print ' setupDevice returned: %d' % (ret)
# check the device again
print '\nChecking if device exists...'
ret = spiDev.checkDevice()
print ' Device does not exist: %d' % (ret)
return spiDev
def ADC(miso, mosi, sclk, cs):
spiDev = onionSpi.OnionSpi(1, 32766)
spiDev.delay = 10
spiDev.mode = 0
spiDev.sck = sclk
spiDev.mosi = mosi
spiDev.miso = miso
spiDev.cs = cs
spiDev.speed = 1200000
spiDev.setVerbosity(0)
return spiDev
def __init__(self, dev='/dev/spidev0.0', spd=1000000):
self.val = 0
# spi.openSPI(device=dev,speed=spd)
### modify any SPI settings as required
self.spi = onionSpi.OnionSpi(1, 32766)
self.spi.sck = 7
self.spi.mosi = 8
self.spi.miso = 9
self.spi.cs = 6
# self.spi.csHigh = 1
### register the device
self.spi.registerDevice()
self.spi.setupDevice()
print 'SPI CS GPIO: %d' % (self.spi.cs)
print 'SPI SCK GPIO: %d' % (self.spi.sck)
print 'SPI MISO GPIO: %d' % (self.spi.miso)
print 'SPI MOSI GPIO: %d' % (self.spi.mosi)
print 'SPI Speed: %d Hz (%d kHz)' % (self.spi.speed,
self.spi.speed / 1000)
print 'Mode: %d, Mode Bits: 0x%x, CS-High: %d' % (
self.spi.mode, self.spi.modeBits, self.spi.csHigh)
print 'Check success %d' % (self.spi.checkDevice())
# GPIO.setmode(GPIO.BOARD)
# GPIO.setup(22, GPIO.OUT)
# GPIO.output(self.NRSTPD, 1)
gpioRst = onionGpio.OnionGpio(self.NRSTPD)
gpioRst.setOutputDirection(1)
self.MFRC522_Init()
SPI_DEVICE = 32766
# Raspberry Pi configuration.
#DC = 24
#RST = 25
#SPI_PORT = 0
#SPI_DEVICE = 0
# BeagleBone Black configuration.
# DC = 'P9_15'
# RST = 'P9_12'
# SPI_PORT = 1
# SPI_DEVICE = 0
#Onion SPI setup
spi = SPI.OnionSpi(1, 32766)
spi.sck = 7
spi.mosi = 8
spi.miso = 9
spi.cs = 6
spi.speed = 4000000
spi.registerDevice()
spi.setupDevice()
# Create TFT LCD display class.
disp = TFT.ST7735(
DC,
rst=RST,
spi=spi)
# Initialize display.
print " lsb: %d" % (obj.lsbfirst)
print " loop: %d" % (obj.loop)
print " no-cs: %d" % (obj.noCs)
print " cs-high: %d" % (obj.csHigh)
print ""
print "GPIO Settings:"
print " sck: %d" % (obj.sck)
print " mosi: %d" % (obj.mosi)
print " miso: %d" % (obj.miso)
print " cs: %d" % (obj.cs)
print ""
print 'Starting: onionSpi module testing...'
spi = onionSpi.OnionSpi(1, 32766)
# set the verbosity
spi.setVerbosity(1)
# read the device settings
printSettings(spi)
print ""
ret = raw_input('Ready to register the device?')
# check the device
print 'Checking if device exists...'
ret = spi.checkDevice()
print ' Device does not exist: %d' % (ret)
print " lsb: %d" % (obj.lsbfirst)
print " loop: %d" % (obj.loop)
print " no-cs: %d" % (obj.noCs)
print " cs-high: %d" % (obj.csHigh)
print ""
print "GPIO Settings:"
print " sck: %d" % (obj.sck)
print " mosi: %d" % (obj.mosi)
print " miso: %d" % (obj.miso)
print " cs: %d" % (obj.cs)
print ""
print 'Starting: onionSpi module testing...'
spi = onionSpi.OnionSpi(0, 1)
# set the verbosity
spi.setVerbosity(1)
# read the device settings
printSettings(spi)
print ""
ret = raw_input('Ready to register the device?')
# check the device
print 'Checking if device exists...'
ret = spi.checkDevice()
print ' Device does not exist: %d' % (ret)