class LEDArray:
# circular queue
# [0,1,2,...,(numrows - 1)]
#rowindices = CircularQueue
# list of lists for now, potentially implement as matrix in future
# initialize array with numrows and numcols
def __init__(self,numrows,numcols):
self.array = []
for row in range(0, numrows):
arrayrow = []
for col in range(0, numcols):
arrayrow.append(0)
self.array.append(arrayrow)
self.rowindices = CircularQueue(range(0,numrows))
# sets self.array as newarray
def updateArray(self,newarray):
self.array = newarray
# Gets the list of active columns for the given row index
def getActiveColumns(self,index):
return self.array[index]
# returns the head of rowindices
def getRowIndex(self):
return self.rowindices.getHead()
def __init__(self,numrows,numcols):
self.array = []
for row in range(0, numrows):
arrayrow = []
for col in range(0, numcols):
arrayrow.append(0)
self.array.append(arrayrow)
self.rowindices = CircularQueue(range(0,numrows))
def __init__(self,rowgpios,colgpios):
self.rowgpios = CircularQueue(rowgpios)
self.colgpios = colgpios
for row in range(len(rowgpios)):
GPIO.setup(rowgpios[row], GPIO.OUT)
for col in range(len(colgpios)):
GPIO.setup(colgpios[col], GPIO.OUT)
return
class GPIOModule:
# Use circular queue because row outputs are periodic and predictable
#rowgpios = CircularQueue()
# plain list because column outputs are dynamic
#colgpios = []
def __init__(self,rowgpios,colgpios):
self.rowgpios = CircularQueue(rowgpios)
self.colgpios = colgpios
for row in range(len(rowgpios)):
GPIO.setup(rowgpios[row], GPIO.OUT)
for col in range(len(colgpios)):
GPIO.setup(colgpios[col], GPIO.OUT)
return
# output a list of the active columns through column GPIOs
# active_columns is a list of 0 or 1's
# colgpios is a list of gpio ports
def outputColumns(self,active_columns):
map(self.setLED,self.colgpios,active_columns)
# output a list of active rows through the row gpios
def activateRow(self):
GPIO.output(self.rowgpios.getHead(),1)
def deactivateRow(self):
GPIO.output(self.rowgpios.getHead(),0)
def setLED(self,gpio,value):
GPIO.output(gpio,value)
