def init(CLK=11,
DIN=10,
DC=23,
RST=24,
LIGHT=18,
CE=8,
contrast=default_contrast):
""" init screen, clearscreen """
wiringPy.debug(0)
if wiringPy.setup_gpio() != 0:
raise IOError("Failed to initialize wiringPy properly")
fd = wiringPy.setup_bitbang(CE, DIN, CLK, 0)
if fd == -1:
raise IOError("Failed to initialize bitbang properly")
pins = [CLK, DIN, DC, RST, LIGHT, CE]
pin_CLK, pin_DIN, pin_DC, pin_RST, pin_LIGHT, pin_CE = pins
map(lambda p: wiringPy.pin_mode(p, ON), pins)
# Reset the device
wiringPy.digital_write(pin_RST, OFF)
time.sleep(0.1)
wiringPy.digital_write(pin_RST, ON)
set_contrast(contrast)
cls()
def init(CLK = 11, DIN = 10, DC = 23, RST = 24, LIGHT = 18, CE = 8, contrast = default_contrast):
""" init screen, clearscreen """
wiringPy.debug(0)
if wiringPy.setup_gpio() != 0:
raise IOError("Failed to initialize wiringPy properly")
fd = wiringPy.setup_bitbang(CE, DIN, CLK, 0)
if fd == -1:
raise IOError("Failed to initialize bitbang properly")
pins = [CLK, DIN, DC, RST, LIGHT, CE]
pin_CLK, pin_DIN, pin_DC, pin_RST, pin_LIGHT, pin_CE = pins
list(map(lambda p: wiringPy.pin_mode(p, ON), pins))
# Reset the device
wiringPy.digital_write(pin_RST, OFF)
time.sleep(0.1)
wiringPy.digital_write(pin_RST, ON)
set_contrast(contrast)
cls()
def bitmap(arr, dc):
""" write a sequence of bytes, either as data or command"""
wiringPy.digital_write(pin_DC, dc)
wiringPy.digital_write_serial_array(0, struct.pack('B'*len(arr), *arr))
def backlight(status):
""" control backlight """
wiringPy.digital_write(pin_LIGHT, 1 - status)
def bitmap(arr, dc):
""" write a sequence of bytes, either as data or command"""
wiringPy.digital_write(pin_DC, dc)
wiringPy.digital_write_serial_array(0, struct.pack('B' * len(arr), *arr))
def backlight(status):
""" control backlight """
wiringPy.digital_write(pin_LIGHT, 1 - status)
def sData(self, data):
"""Send hex data through the serial port (SDATA 1 first)"""
wiringPy.digital_write(self._CS, 0) # disable CS
wiringPy.digital_write(
self._SDATA,
1) # Enable Serial Data line, This means we are sending data
wiringPy.digital_write(self._SCLK, 0) # Disable Serial Clock
wiringPy.digital_write(self._SCLK, 1) # Enable Serial Clock
for j in range(8):
if ((data & 0x80) == 0x80):
wiringPy.digital_write(self._SDATA, 1) # Enable Serial Data
else:
wiringPy.digital_write(self._SDATA,
0) # Disable Serial Data line
wiringPy.digital_write(self._SCLK, 0) # Disable Clock
wiringPy.digital_write(self._SCLK, 1) # Enable Clock
data <<= 1
wiringPy.digital_write(self._SCLK, 0) # Disable Clock
wiringPy.digital_write(self._SDATA, 0) # Disable Serial Data
wiringPy.digital_write(self._CS, 1) # Enable CS
def reset(self):
"""Resets the device"""
wiringPy.digital_write(self._RST, OFF)
time.sleep(0.5)
wiringPy.digital_write(self._RST, ON)
def command(self, data):
"""Send a hex self.__spiInterface.command through the serial port (SDATA 0 first)"""
wiringPy.digital_write(self._CS, 0) # disable CS
wiringPy.digital_write(
self._SDATA, 0
) # Disable Serial Data line, This means we are sending a self.__spiInterface.command
wiringPy.digital_write(self._SCLK, 0) # Disable Serial Clock
wiringPy.digital_write(self._SCLK, 1) # Enable Serial Clock
for j in range(8):
if ((data & 0x80) == 0x80):
wiringPy.digital_write(self._SDATA, 1)
else:
wiringPy.digital_write(self._SDATA, 0)
wiringPy.digital_write(self._SCLK, 0) # Disable Clock
wiringPy.digital_write(self._SCLK, 1) # Enable Clock
data <<= 1
wiringPy.digital_write(self._SCLK, 0) # Disable Clock
wiringPy.digital_write(self._SDATA, 0) # Disable Serial Data
wiringPy.digital_write(self._CS, 1) # Enable CS
def sData(self, data):
"""Send hex data through the serial port (SDATA 1 first)"""
wiringPy.digital_write(self._CS,0) # disable CS
wiringPy.digital_write(self._SDATA,1) # Enable Serial Data line, This means we are sending data
wiringPy.digital_write(self._SCLK,0) # Disable Serial Clock
wiringPy.digital_write(self._SCLK,1) # Enable Serial Clock
for j in range(8):
if ((data & 0x80) == 0x80):
wiringPy.digital_write(self._SDATA,1) # Enable Serial Data
else:
wiringPy.digital_write(self._SDATA,0) # Disable Serial Data line
wiringPy.digital_write(self._SCLK,0) # Disable Clock
wiringPy.digital_write(self._SCLK,1) # Enable Clock
data <<= 1
wiringPy.digital_write(self._SCLK,0) # Disable Clock
wiringPy.digital_write(self._SDATA,0) # Disable Serial Data
wiringPy.digital_write(self._CS,1) # Enable CS
def command(self, data):
"""Send a hex self.__spiInterface.command through the serial port (SDATA 0 first)"""
wiringPy.digital_write(self._CS,0) # disable CS
wiringPy.digital_write(self._SDATA,0) # Disable Serial Data line, This means we are sending a self.__spiInterface.command
wiringPy.digital_write(self._SCLK,0) # Disable Serial Clock
wiringPy.digital_write(self._SCLK,1) # Enable Serial Clock
for j in range(8):
if ((data & 0x80) == 0x80):
wiringPy.digital_write(self._SDATA,1)
else:
wiringPy.digital_write(self._SDATA,0)
wiringPy.digital_write(self._SCLK,0) # Disable Clock
wiringPy.digital_write(self._SCLK,1) # Enable Clock
data <<= 1
wiringPy.digital_write(self._SCLK,0) # Disable Clock
wiringPy.digital_write(self._SDATA,0) # Disable Serial Data
wiringPy.digital_write(self._CS,1) # Enable CS
def reset(self):
"""Resets the device"""
wiringPy.digital_write(self._RST, OFF)
time.sleep(0.5)
wiringPy.digital_write(self._RST, ON)
#!/usr/bin/env python
import time
import wiringPy
if wiringPy.setup_sys() < 0:
print "Failed to initialize wiringPi"
exit(-1)
print "Rasberry Pi - Board revision:" , wiringPy.board_revision()
for i in range(0, 32):
wiringPy.digital_write(i, 1)
time.sleep(0.2)
for i in range(0,32):
wiringPy.digital_write(i, 0)
time.sleep(0.2)
#!/usr/bin/env python
import time
import wiringPy
if wiringPy.setup_sys() < 0:
print "Failed to initialize wiringPi"
exit(-1)
print "Rasberry Pi - Board revision:", wiringPy.board_revision()
for i in range(0, 32):
wiringPy.digital_write(i, 1)
time.sleep(0.2)
for i in range(0, 32):
wiringPy.digital_write(i, 0)
time.sleep(0.2)
