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test_leds.py
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test_leds.py
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#!/usr/bin/env python3
from litex.soc.tools.remote import RemoteClient
import time
class PWM:
def __init__(self, regs, name):
for reg in ["enable", "period", "width"]:
setattr(self, "_" + reg, getattr(regs, name + "_" + reg))
self.set_period(128)
self.set_width(0)
self.enable()
def enable(self):
self._enable.write(1)
def disable(self):
self._enable.write(0)
def set_period(self, period):
self._period.write(period)
def set_width(self, width):
self._width.write(width)
class RGBLed:
def __init__(self, regs, name, n):
for c in "rgb":
self.r = PWM(regs, "rgb_leds_r"+str(n))
self.g = PWM(regs, "rgb_leds_g"+str(n))
self.b = PWM(regs, "rgb_leds_b"+str(n))
wb = RemoteClient()
wb.open()
regs = wb.regs
# # #
for i in range(16):
regs.leds_out.write(i)
time.sleep(0.1)
rgb_leds = [RGBLed(regs, "rgb_leds", i) for i in range(4)]
def knight_rider(color, value):
sequence = []
sequence = [0, 1, 2, 3, 2, 1, 0, 1, 2, 3]
for led in sequence:
pwm = getattr(rgb_leds[led], color)
pwm.set_width(value)
time.sleep(0.05)
pwm.set_width(0)
def disco():
for led in rgb_leds:
for c in "rgb":
pwm = getattr(led, c)
for i in range(64):
pwm.set_width(i)
time.sleep(0.005)
pwm.set_width(0)
knight_rider("r", 64)
time.sleep(0.5)
knight_rider("r", 64)
time.sleep(0.5)
disco()
# # #
wb.close()