def __init__(self, sys_clk_freq, cs_period=0.001):
# module's interface
self.values = Array(Signal(5) for i in range(8)) # input
self.cs = Signal(8) # output
self.abcdefg = Signal(7) # output
# # #
# create our seven segment controller
seven_segment = _SevenSegment()
self.submodules += seven_segment
self.comb += self.abcdefg.eq(seven_segment.abcdefg)
# create a tick every cs_period
self.submodules.tick = Tick(sys_clk_freq, cs_period)
# rotate cs 6 bits signals to alternate seven segments
# cycle 0 : 0b000001
# cycle 1 : 0b000010
# cycle 2 : 0b000100
# cycle 3 : 0b001000
# cycle 4 : 0b010000
# cycle 5 : 0b100000s
# cycle 6 : 0b000001
cs = Signal(8, reset=0b00000001)
# synchronous assigment
self.sync += [
If(
self.tick.ce, # at the next tick:
cs[1].eq(cs[0]), # bit1 takes bit0 value
cs[2].eq(cs[1]), # bit2 takes bit1 value
cs[3].eq(cs[2]), # bit3 takes bit2 value
cs[4].eq(cs[3]), # bit4 takes bit3 value
cs[5].eq(cs[4]), # bit5 takes bit4 value
cs[6].eq(cs[5]), # bit5 takes bit4 value
cs[7].eq(cs[6]), # bit5 takes bit4 value
cs[0].eq(cs[7]) # bit0 takes bit5 value
)
]
# cominatorial assigment
self.comb += self.cs.eq(cs)
# cs to value selection.
# Here we create a table to translate each of the 6 cs possible values
# to input value selection.
cases = {
0b00000001: seven_segment.value.eq(self.values[0]),
0b00000010: seven_segment.value.eq(self.values[1]),
0b00000100: seven_segment.value.eq(self.values[2]),
0b00001000: seven_segment.value.eq(self.values[3]),
0b00010000: seven_segment.value.eq(self.values[4]),
0b00100000: seven_segment.value.eq(self.values[5]),
0b01000000: seven_segment.value.eq(self.values[6]),
0b10000000: seven_segment.value.eq(self.values[7])
}
# cominatorial assigment
self.comb += Case(self.cs, cases)
def start_tick_retriever(instruments):
i = 0
t = Tick(instruments)
while True:
try:
t.retrieve()
time.sleep(1)
i += 1
print '------', i
except Exception as e:
print 'error: ', e
time.sleep(1)
def load(self, symbol):
""" Loads the stock quote for symbol from Yahoo or cache """
raw = Stock.get_from_cache(symbol)
if raw is None:
today = datetime.date.today().strftime('%Y%m%d')
raw = self.yahoo(symbol, '20010103', today)
Stock.save_to_cache(symbol, raw)
# Tick aware of the time series it belongs to
self.data.extend([
Tick(self.data, index, *Stock.cast(tick))
for index, tick in enumerate(reversed(raw[1:]))
])
def __init__(self, sys_clk_freq, cs_period=0.001):
# module's interface
self.values = Array(Signal(5) for i in range(6)) # input
self.cs = Signal(6) # output
self.abcdefg = Signal(7) # output
# # #
# create our seven segment controller
seven_segment = SevenSegment()
self.submodules += seven_segment
self.comb += self.abcdefg.eq(seven_segment.abcdefg)
# create a tick every cs_period
self.submodules.tick = Tick(sys_clk_freq, cs_period)
# rotate cs 6 bits signals to alternate seven segments
# cycle 0 : 0b000001
# cycle 1 : 0b000010
# cycle 2 : 0b000100
# cycle 3 : 0b001000
# cycle 4 : 0b010000
# cycle 5 : 0b010000
# cycle 6 : 0b100000
# cycle 7 : 0b000001
cs = Signal(6, reset=0b000001)
# synchronous assigment
self.sync += [
If(self.tick.ce,
# -- TO BE COMPLETED --
# [...] rotate cs
# -- TO BE COMPLETED --
)
]
# cominatorial assigment
self.comb += self.cs.eq(cs)
# cs to value selection.
# Here we create a table to translate each of the 8 cs possible values
# to input value selection.
# -- TO BE COMPLETED --
cases = {
0b000001: seven_segment.value.eq(self.values[0]),
# [...]
}
# -- TO BE COMPLETED --
# cominatorial assigment
self.comb += Case(self.cs, cases)
def __init__(self):
# Cria uma matriz 6x4x4 preenchida com 0s (ver manipulação na biblioteca numpy)
self.__board = [[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0],
[0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0],
[0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0],
[0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0],
[0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0],
[0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0],
[0, 0, 0, 0]]]
self.__gpio_manager = GPIO_Manager()
self.__snake = Snake()
self.__fruit = Fruit()
self.__mouse = Mouse(self.on_click)
self.__tick = Tick(self.on_tick)
