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import
time
OUTPUT =
'out'
INPUT =
'in'
HIGH = 1
LOW = 0
def
reg(pin):
try:
exp =
open('/sys/class/gpio/export','wb',0)
exp.write(str(pin))
print('Registion Successful: pin%d'
%pin)
#exp.close()
except IOError as e:
#print('Registion Error: pin%d' %pin)
print('Error: %d - %s'
%(e.errno,e.strerror))
def
unreg(pin):
try:
uexp =
open('/sys/class/gpio/unexport','wb',0)
uexp.write(str(pin))
print('Unregistion Successful: pin%d'
%pin)
uexp.close()
except IOError as e:
#print('Unregistion Error: pin%d'
%pin)
print('Error: %d - %s'
%(e.errno,e.strerror))
def
pinMode(pin, mode):
try:
direction =
open('/sys/class/gpio/gpio%d/direction' %pin,'wb',0)
direction.write('out' if mode ==
OUTPUT else 'in')
#print('pin%d setted at %s'
%(pin,'out' if mode == OUTPUT else 'in'))
direction.close()
except IOError as e:
#print('CANNOT SET PIN MODE: pin%d'
%pin)
print('Error: %d - %s'
%(e.errno,e.strerror))
def
digitalWrite(pin,value):
try:
val =
open('/sys/class/gpio/gpio%d/value' %pin,'wb',0)
val.write(str(value))
val.close()
except IOError as e:
#print('WRITE ERROR: pin%d' %pin)
print('Error: %d - %s'
%(e.errno,e.strerror))
def
digitalRead(pin):
try:
file = open('/sys/class/gpio/gpio%d/value'
%pin,'rb',0)
value = file.read()
file.close()
return int(value)
except IOError as e:
#print('READ ERROR')
print('Error: %d - %s'
%(e.errno,e.strerror))
return 0
def
analogRead(pin):
filePath =
'/sys/devices/platform/c0000000.soc/c0053000.adc/iio:device0/in_voltage%d_raw'
%pin
print(filePath)
try:
file =
open(filePath,"rb",0)
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