tests/wxHMI/wxglade_hmi@wxglade_hmi/pyfile.xml
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Sun, 06 Jan 2019 01:22:46 +0300
changeset 2499 68f4f2d4516b
parent 2284 64bb520009f3
permissions -rw-r--r--
use pregenerated CRC32 lookup tables for retain on Win32 and GNU/Linux

This code could be possible reused on low-end targets with limited RAM.

code to generate lookup table:
[---------------------------------------------------------------------]

/* CRC lookup table and initial state. */
uint32_t crc32_table[256];

/* Generate CRC32 lookup table. */
void GenerateCRC32Table(void)
{
unsigned int i, j;
/* Use CRC-32-IEEE 802.3 polynomial 0x04C11DB7 (bit reflected). */
uint32_t poly = 0xEDB88320;

for (i = 0; i <= 0xFF; i++)
{
uint32_t c = i;
for (j = 0 ; j < 8 ; j++)
c = (c & 1) ? (c >> 1 ) ^ poly : (c >> 1);
crc32_table[i] = c;
}
}

void main(void)
{
GenerateCRC32Table();
int j=0;
for(int i=0; i<256; i++) {
printf("0x%08X, ", crc32_table[i]);
if (++j >= 8) {
j = 0;
printf("\n");
}
}
}
[---------------------------------------------------------------------]
<?xml version='1.0' encoding='utf-8'?>
<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml">
  <variables>
    <variable name="Power_ON" type="BOOL"/>
    <variable name="Power_OFF" type="BOOL"/>
    <variable name="DrawTest" type="BOOL"/>
    <variable name="DrawLogo" type="BOOL"/>
    <variable name="DrawEscher" type="BOOL"/>
    <variable name="Detect_Circle" type="BOOL"/>
    <variable name="XaxisPos" type="INT"/>
    <variable name="YaxisPos" type="INT"/>
    <variable name="ZaxisPos" type="INT"/>
    <variable name="TaxisPos" type="INT"/>
    <variable name="XaxisMinus" type="BOOL"/>
    <variable name="YaxisMinus" type="BOOL"/>
    <variable name="ZaxisMinus" type="BOOL"/>
    <variable name="TaxisMinus" type="BOOL"/>
    <variable name="XaxisPlus" type="BOOL"/>
    <variable name="YaxisPlus" type="BOOL"/>
    <variable name="ZaxisPlus" type="BOOL"/>
    <variable name="TaxisPlus" type="BOOL"/>
    <variable name="DrawTestBtn" type="BOOL"/>
    <variable name="DrawTestBtn2" type="BOOL"/>
  </variables>
  <globals>
    <xhtml:p><![CDATA[
import ctypes
import wx, sys

AxisList = ["X","Y","Z","T"]

PwrButtons = ['Power_ON',
              'Power_OFF']

ActionButtons = ['Detect_Circle',
                 'DrawTest',
                 'DrawLogo',
                 'DrawEscher']

class ThreeDee(wx.StaticText):
    def __init__(self, *args, **kwargs):
        self.initialized = False
        kwargs["style"] = wx.ALIGN_CENTRE_HORIZONTAL
        super(ThreeDee, self).__init__(*args, **kwargs)

        self.SetFont(wx.Font(24, wx.SWISS, wx.NORMAL, wx.BOLD))
        
        self.positions = [0.]*4

        self.Message = None
        self.NegLimits = None
        self.Disk = None


    def UpdatePositions(self, positions):
        # get globals from PLC
        self.positions = positions
        self.SetLabel(
            ((self.Message  +'\n\n') if self.Message else '' )+
            " ".join(["%s %+.2f"%(axis,self.positions[i])
                          for i,axis in enumerate(AxisList)]))

def MakeButtonFunc(window, sizer, btname):
    def ButtonDown(event):
        setattr(PLCGlobals,btname,1)
        event.Skip()
    def ButtonUp(event):
        setattr(PLCGlobals,btname,0)
        event.Skip()
    obj = wx.BitmapButton(window, -1, wx.Bitmap('%s.png'%btname))
    sizer.Add(obj, 2, wx.EXPAND, 0)
    obj.Bind(wx.EVT_LEFT_DOWN, ButtonDown)
    obj.Bind(wx.EVT_LEFT_UP, ButtonUp)
    return obj

def UpdPos(self):
    positions = [getattr(PLCGlobals,axname+"axisPos") for axname in AxisList]

    self.window_1.UpdatePositions(positions)

Class_wxglade_hmi.UpdPos = UpdPos


#def UpdatePositions(self, event):
#
#    positions = [getattr(PLCGlobals,axname+"axisPos") for axname in AxisList]
#
#    self.window_1.UpdatePositions(positions)
#
#    event.Skip()

#Class_wxglade_hmi.UpdatePositions = UpdatePositions

def CleanSizer(sizer):
    sizer_len = sizer.GetItemCount()
    if sizer_len > 0:
        for i in reversed(range(sizer_len)):
            sizer.Remove(i)

initorig = Class_wxglade_hmi.__init__
def Init(self,*args,**kargs):
    initorig(self,*args,**kargs)
    sizer = self.GetSizer().GetItem(1).GetSizer().GetItem(0).GetSizer()
    CleanSizer(sizer)
    self.main_buttons = map(
        lambda btname: MakeButtonFunc(self, sizer, btname), PwrButtons)
    sizer = self.GetSizer().GetItem(1).GetSizer().GetItem(1).GetSizer()
    CleanSizer(sizer)
    self.main_buttons = map(
        lambda btname: MakeButtonFunc(self, sizer, btname), ActionButtons)
    self.axis_buttons = map(
        lambda axis:( MakeButtonFunc(self, sizer, axis+"axisMinus"), 
                        MakeButtonFunc(self, sizer, axis+"axisPlus")),
        AxisList)

    
    # self.timer = wx.Timer(self, -1)
    # self.Bind(wx.EVT_TIMER, self.UpdatePositions, self.timer)
    # self.ShowFullScreen(True,wx.FULLSCREEN_ALL)
    # wx.CallAfter(self.timer.Start,200)
    
Class_wxglade_hmi.__init__ = Init

def SetPLCTestBtnGlobalVar(self, evt):
    setattr(PLCGlobals, "DrawTestBtn", evt.GetEventObject().GetValue())

def SetPLCTestBtn2GlobalVar(self, evt):
    setattr(PLCGlobals, "DrawTestBtn2", evt.GetEventObject().GetValue())

]]></xhtml:p>
  </globals>
  <init>
    <xhtml:p><![CDATA[
]]></xhtml:p>
  </init>
  <cleanup>
    <xhtml:p><![CDATA[
]]></xhtml:p>
  </cleanup>
  <start>
    <xhtml:p><![CDATA[
]]></xhtml:p>
  </start>
  <stop>
    <xhtml:p><![CDATA[
]]></xhtml:p>
  </stop>
</PyFile>