import serial import sys from Tkinter import * mGui = Tk() global crc_table crc_table = [0x00, 0x02 ,0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0E, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1A, 0x1C, 0x1E, 0x20, 0x22, 0x24, 0x26, 0x28, 0x2A, 0x2C, 0x2E, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3A, 0x3C, 0x3E, 0x40, 0x42, 0x44, 0x46, 0x48, 0x4A, 0x4C, 0x4E, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5A, 0x5C, 0x5E, 0x60, 0x62, 0x64, 0x66, 0x68, 0x6A, 0x6C, 0x6E, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7A, 0x7C, 0x7E, 0x80, 0x82, 0x84, 0x86, 0x88, 0x8A, 0x8C, 0x8E, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9A, 0x9C, 0x9E, 0xA0, 0xA2, 0xA4, 0xA6, 0xA8, 0xAA, 0xAC, 0xAE, 0xB0, 0xB2, 0xB4, 0xB6, 0xB8, 0xBA, 0xBC, 0xBE, 0xC0, 0xC2, 0xC4, 0xC6, 0xC8, 0xCA, 0xCC, 0xCE, 0xD0, 0xD2, 0xD4, 0xD6, 0xD8, 0xDA, 0xDC, 0xDE, 0xE0, 0xE2, 0xE4, 0xE6, 0xE8, 0xEA, 0xEC, 0xEE, 0xF0, 0xF2, 0xF4, 0xF6, 0xF8, 0xFA, 0xFC, 0xFE, 0x19, 0x1B, 0x1D, 0x1F, 0x11, 0x13, 0x15, 0x17, 0x09, 0x0B, 0x0D, 0x0F, 0x01, 0x03, 0x05, 0x07, 0x39, 0x3B, 0x3D, 0x3F, 0x31, 0x33, 0x35, 0x37, 0x29, 0x2B, 0x2D, 0x2F, 0x21, 0x23, 0x25, 0x27, 0x59, 0x5B, 0x5D, 0x5F, 0x51, 0x53, 0x55, 0x57, 0x49, 0x4B, 0x4D, 0x4F, 0x41, 0x43, 0x45, 0x47, 0x79, 0x7B, 0x7D, 0x7F, 0x71, 0x73, 0x75, 0x77, 0x69, 0x6B, 0x6D, 0x6F, 0x61, 0x63, 0x65, 0x67, 0x99, 0x9B, 0x9D, 0x9F, 0x91, 0x93, 0x95, 0x97, 0x89, 0x8B, 0x8D, 0x8F, 0x81, 0x83, 0x85, 0x87, 0xB9, 0xBB, 0xBD, 0xBF, 0xB1, 0xB3, 0xB5, 0xB7, 0xA9, 0xAB, 0xAD, 0xAF, 0xA1, 0xA3, 0xA5, 0xA7, 0xD9, 0xDB, 0xDD, 0xDF, 0xD1, 0xD3, 0xD5, 0xD7, 0xC9, 0xCB, 0xCD, 0xCF, 0xC1, 0xC3, 0xC5, 0xC7, 0xF9, 0xFB, 0xFD, 0xFF, 0xF1, 0xF3, 0xF5, 0xF7, 0xE9, 0xEB, 0xED, 0xEF, 0xE1, 0xE3, 0xE5, 0xE7] global buffer buffer=[0 for x in range(34)] port = serial.Serial("/dev/ttyAMA0", 9600 ) def byte_holen(): global byte rcv = port.read() byte = ord(rcv) def crc_testen(leng): global crc_test crc_test = True crc = 0 for i in range(0,leng): crc = crc_table[crc] crc ^= buffer[i] else: if crc == buffer[leng]: crc_test = True else: crc_test = False def haupt(): while True: byte_holen() if byte == 0xb0: buffer[0] = 0xb0 for x in range (1,3): byte_holen() buffer[x] = byte if buffer[1] == 0: if buffer[2] == 0xff: for x in range (3,20): byte_holen() buffer[x] = byte if buffer[3] == 0: if buffer[4] == 0: if buffer[5] == 3: crc_testen(19) # print crc_test if crc_test == True: if buffer[10] != 255: T1 = ('Kollektor:' + str(' ')) Label(mGui,text=T1).grid(row=1,column=0,sticky=W) T1 = ('Kollektor:' + str(float(buffer[10]*256+buffer[11])/10)) T2 = ('Solarspeicher:' + str(float(buffer[12]*256+buffer[13])/10)) Label(mGui,text=T1).grid(row=1,column=0,sticky=W) Label(mGui,text=T2).grid(row=2,column=0,sticky=W) mGui.update_idletasks() else: T1 = ('Kollektor_Winter:'+ str(float(255-buffer[11])/-10)) T2 = ('Solarspeicher:' + str(float(buffer[12]*256+buffer[13])/10)) Label(mGui,text=T1).grid(row=1,column=0,sticky=W) Label(mGui,text=T2).grid(row=2,column=0,sticky=W) mGui.update_idletasks() elif byte == 0x88: buffer[0] = 0x88 for x in range (1,3): byte_holen() buffer[x] = byte if buffer[1] == 0: if buffer[2] == 0x19: for x in range (3,33): byte_holen() buffer[x] = byte if buffer[3] == 0: crc_testen(31) # print crc_test if crc_test == True: if buffer[4] != 255: T3 = ('Aussentemperatur:' + str(' ')) Label(mGui,text=T3).grid(row=3,column=0,sticky=W) T3 = ('Aussentemperatur:' + str(float(buffer[4]*256+buffer[5])/10)) Label(mGui,text=T3).grid(row=3,column=0,sticky=W) mGui.update_idletasks() else: T3 = ('Aussentemperatur_Winter:' + str(float(255-buffer[5])/-10)) Label(mGui,text=T3).grid(row=3,column=0,sticky=W) mGui.update_idletasks() elif buffer[2] == 0x18: for x in range (3,33): byte_holen() buffer[x] = byte if buffer[3] == 0: crc_testen(29) # print crc_test if crc_test == True: T4 = ('geforderte Vorlauftemperatur:'+ str(' ')) # print T4 Label(mGui,text=T4).grid(row=4,column=0,sticky=W) T4 = ('geforderte Vorlauftemperatur:'+ str(int(buffer[4]))) Label(mGui,text=T4).grid(row=4,column=0,sticky=W) T5 = ('aktuelle Vorlauftemperatur:' + str(float(buffer[5]*256+buffer[6])/10)) Label(mGui,text=T5).grid(row=5,column=0,sticky=W) luefter = buffer[11] and 0xb0 if luefter == 0xb0: Label(mGui,text='Luefter Brenner an!').grid(row=8,column=0,sticky=W) buffer[11] = 0 else: Label(mGui,text=' ').grid(row=8,column=0,sticky=W) mGui.update_idletasks() elif byte == 0x98: buffer[0] = 0x98 for x in range (1,3): byte_holen() buffer[x] = byte if buffer[1] == 0: if buffer[2] == 0xff: for x in range (3,23): byte_holen() buffer[x] = byte if buffer[3] == 0: if buffer[5]== 0x6f: crc_testen(15) # print crc_test if crc_test == True: T6 = ('gewuenschte Raumtemperatur:' + str(float(buffer[8]*256+buffer[9])/10)) Label(mGui,text=T6).grid(row=6,column=0,sticky=W) T7 = ('aktuelle Raumtemperatur:'+ str(float(buffer[10]*256+buffer[11])/10)) Label(mGui,text=T7).grid(row=7,column=0,sticky=W) mGui.update_idletasks() mGui.geometry("300x200") mGui.title('Junkers CSW14') haupt()