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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import division
import wx, math
from wx.lib.colourchooser.pycolourchooser import PyColourChooser
from serialrgb import SerialRGB, SyncError
def hsv2rgb(h, s, v):
h *= 360.0
hi = math.floor(h / 60)
f = (h / 60) - hi
p = v * (1 - s)
q = v * (1 - s * f)
t = v * (1 - s * (1 - f))
if hi == 0 or hi == 6:
return (v, t, p)
elif hi == 1:
return (q, v, p)
elif hi == 2:
return (p, v, t)
elif hi == 3:
return (p, q, v)
elif hi == 4:
return (t, p, v)
else:
return (v, p, q)
def rgb2hsv(r, g, b):
minimum = min([r, g, b])
maximum = max([r, g, b])
if maximum == minimum:
h = 0
elif maximum == r:
h= 60 * (0 + ((g - b) / (maximum - minimum)))
elif maximum == g:
h= 60 * (2 + ((b - r) / (maximum - minimum)))
else:
h= 60 * (4 + ((r - g) / (maximum - minimum)))
if h < 0:
h += 360
s = 0 if maximum == 0 else ((maximum - minimum) / maximum)
return (h / 360.0, s, maximum)
class rgbled_frame(wx.Frame):
def __init__(self, rgbled):
wx.Frame.__init__(self, None, title="RGBLED", size=(500, 300))
self.rgbled = rgbled
mainpanel = wx.Panel(self, -1)
self.cpctrl = PyColourChooser(mainpanel, -1)
self.cpctrl.SetValue(wx.Colour(0,0,0,255))
self.timer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.on_timer, self.timer)
self.timer.Start(100)
def on_timer(self, evt):
colour = self.cpctrl.GetValue()
r = colour.Red()
g = colour.Green()
b = colour.Blue()
if isinstance(self.rgbled, SerialRGB):
try:
self.rgbled.change_color((r, g, b))
except SyncError:
wx.MessageDialog(None, "Could not synchronize with Arduino!", "Sync Error", wx.ICON_ERROR | wx.OK).ShowModal()
self.Close()
class rgbled_app(wx.App):
def OnInit(self):
self.rgbled = None
portdlg = wx.TextEntryDialog(None, "Serial port:")
if portdlg.ShowModal() == wx.ID_OK:
try:
self.rgbled = SerialRGB(portdlg.GetValue())
except SyncError:
pass
# wx.MessageDialog(None, "Could not synchronize with Arduino!", "Sync Error", wx.ICON_ERROR | wx.OK).ShowModal()
# return False
frame = rgbled_frame(self.rgbled)
portdlg.Destroy()
frame.Show()
self.SetTopWindow(frame)
return True
def OnExit(self):
if isinstance(self.rgbled,SerialRGB):
self.rgbled.close_connection()
if __name__ == '__main__':
myapp = rgbled_app()
myapp.MainLoop()
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