def send(cmd,type): GPIO.output(pin_CS, GPIO.LOW) if(type == SEND_CHR): GPIO.output(pin_DC, GPIO.HIGH) else: GPIO.output(pin_DC, GPIO.LOW) SPIsendByte(cmd) GPIO.output(pin_CS, GPIO.HIGH)
def SPIsendByte(byteTosend): i = 0 for i in range(1,9): if (byteTosend & 0x80): GPIO.output(pin_MOSI, GPIO.HIGH) else: GPIO.output(pin_MOSI, GPIO.LOW) #sleep(0.00001) GPIO.output(pin_CLK, GPIO.LOW) #sleep(0.00001) GPIO.output(pin_CLK, GPIO.HIGH) byteTosend = byteTosend << 1 return
def init(): # SET CS HIGH GPIO.output(pin_CS, GPIO.HIGH) #Reset LCD GPIO.output(pin_RST, GPIO.LOW) sleep(1) GPIO.output(pin_RST, GPIO.HIGH) sleep(1) send(0x21,SEND_CMD) send(0xC8,SEND_CMD) send(0x04,SEND_CMD) send(0x40,SEND_CMD) send(0x12,SEND_CMD) send(0xE4,SEND_CMD)# Set Display offset line 1 send(0x45,SEND_CMD)# Set Display offset line 2: shiftet 5 pixels up and then use lines 1 to 6 send(0x20,SEND_CMD) send(0x08,SEND_CMD) send(0x0C,SEND_CMD) setContrast(DEFAULT_CONTRAST) clear() update()
from pyA20EVB.gpio import port
__author__ = "Stefan Mavrodiev"
__copyright__ = "Copyright 2014, Olimex LTD"
__credits__ = ["Stefan Mavrodiev"]
__license__ = "GPL"
__version__ = "2.0"
__maintainer__ = __author__
__email__ = "*****@*****.**"
led = port.PG9
gpio.init()
gpio.setcfg(led, gpio.OUTPUT)
try:
print("Press CTRL+C to exit")
while True:
gpio.output(led, 1)
sleep(0.1)
gpio.output(led, 0)
sleep(0.1)
gpio.output(led, 1)
sleep(0.1)
gpio.output(led, 0)
sleep(0.1)
sleep(0.6)
except KeyboardInterrupt:
print("Goodbye.")
__author__ = "Stefan Mavrodiev"
__copyright__ = "Copyright 2014, Olimex LTD"
__credits__ = ["Stefan Mavrodiev"]
__license__ = "GPL"
__version__ = "2.0"
__maintainer__ = __author__
__email__ = "*****@*****.**"
led = port.PG9
gpio.init()
gpio.setcfg(led, gpio.OUTPUT)
try:
print ("Press CTRL+C to exit")
while True:
gpio.output(led, 1)
sleep(0.1)
gpio.output(led, 0)
sleep(0.1)
gpio.output(led, 1)
sleep(0.1)
gpio.output(led, 0)
sleep(0.1)
sleep(0.6)
except KeyboardInterrupt:
print ("Goodbye.")
def LCDReset():
GPIO.output(pin_RST, GPIO.LOW)
time.sleep(0.05)
GPIO.output(pin_RST, GPIO.HIGH)
def LCD_DC_LOW():
GPIO.output(pin_DC, GPIO.LOW)
return
def LCD_DC_HIGH():
GPIO.output(pin_DC, GPIO.HIGH)
return
print 'Fail'
sys.exit(0)
print 'Initializating GPIO-MODULE.....',
try:
#GPIO.setmode(GPIO.BCM)
#GPIO.setwarnings(False)
#GPIO.setup(0, GPIO.OUT) #SDA -> LCD_C/#D
#GPIO.setup(1, GPIO.OUT) #SCL -> #LCD_RESET
#GPIO.output(0, True)
#GPIO.output(1, True)
GPIO.init();
GPIO.setcfg(pin_RST,GPIO.OUTPUT) #UEXT PIN 5 LCD RESET
GPIO.setcfg(pin_DC,GPIO.OUTPUT) #UEXT PIN 6 LCD DC
GPIO.output(pin_RST, GPIO.HIGH)
GPIO.output(pin_DC, GPIO.HIGH)
try:
print colored('Done', 'green')
except NameError:
print 'Done'
except ImportError:
try:
print colored('Fail', 'red')
except NameError:
print 'Fail'
sys.exit(0)
__credits__ = ["Stefan Mavrodiev"]
__license__ = "GPL"
__version__ = "2.0"
__maintainer__ = __author__
__email__ = "*****@*****.**"
led = connector.gpio0p0 # This is the same as port.PH2
button = connector.gpio3p40
"""Init gpio module"""
gpio.init()
"""Set directions"""
gpio.setcfg(led, gpio.OUTPUT)
gpio.setcfg(button, gpio.INPUT)
"""Enable pullup resistor"""
gpio.pullup(button, gpio.PULLUP)
#gpio.pullup(button, gpio.PULLDOWN) # Optionally you can use pull-down resistor
try:
print ("Press CTRL+C to exit")
while True:
state = gpio.input(button) # Read button state
"""Since we use pull-up the logic will be inverted"""
gpio.output(led, not state)
except KeyboardInterrupt:
print ("Goodbye.")
