import tkinter as tk import numpy as np import time import sys exitf = False # Global variable to tell that IF is dead! top = 0 clr = 'lime' tstep = 1 direct = 0 INVALID = -1 def push_left(panel, px) : global exitf if not exitf : p = list(panel.find_withtag(px)) for pbox in p : pbcoor = panel.coords(pbox) if pbcoor[0] >= 0 : pbcoor[0] -= 8 pbcoor[2] -= 8 panel.coords(pbox, pbcoor) return def push_right(panel, px) : global exitf if not exitf : p = list(panel.find_withtag(px)) for pbox in p : pbcoor = panel.coords(pbox) if pbcoor[0] <= 960 : pbcoor[0] += 8 pbcoor[2] += 8 panel.coords(pbox, pbcoor) return def on_off() : global top global exitf w = top.nametowidget('fr.bon') p = top.nametowidget('fl.display') if w.cget('text') == 'OFF' : w.configure(text='ON') exitf = False clear_display(p) active_device(p) else : w.configure(text='OFF') clear_display(p) quit_app() def clr_change() : global top global direct rfp = open(sys.argv[1], 'r', encoding='utf-8', errors='ignore') opt_str = rfp.readline() opt_str = opt_str[:-1] if opt_str.isnumeric() : direct, chg = get_options(opt_str) if chg == 1 or direct == 1 : msg = rfp.readline() rfp.close() msg = msg[:-1] exitf = True print('It takes about 1sec to update message and change direction') p = top.nametowidget('fl.display') time.sleep(1) clear_display(p) if chg == 1 : active_device(p, updates=True, message=msg) else : active_device(p, updates=True) return def clear_display(w) : p = list(w.find_withtag('px_ON')) for pbox in p : w.itemconfig(pbox, fill='#000000', outline='#606060') return def get_options(s) : global tstep global clr # First 6 MS bits give RGB values rd = int(s[0:2], 2) * 85 gr = int(s[2:4], 2) * 85 bl = int(s[4:6], 2) * 85 clr = '#' + format(rd, '02X') + format(gr, '02X') + format(bl, '02X') if clr == '#000000' : clr = 'lime' # Bits 7 and 8 give time speed-up factor tstep = int(s[6:8], 2) + 1 # Bit 9 gives direction drct = int(s[8], 2) # Bit 10 if message is changed chgd = int(s[9], 0) return drct, chgd def dev_check(name) : try: with open(name, 'r', errors='ignore') as rfp : return rfp except IOError as e: return INVALID def quit_app() : global exitf exitf = True alphabet_code = {'A': list([60, 10, 9, 10, 60]), 'B': list([63, 37, 37, 37, 26]), 'C': list([30, 33, 33, 33]), 'D': list([63, 33, 33, 33, 30]), 'E': list([63, 37, 37, 37, 33]), 'F': list([63, 5, 5, 5, 1]), 'G': list([30, 33, 37, 37, 28]), 'H': list([63, 4, 4, 4, 63]), 'I': list([33, 63, 33]), 'J': list([25, 33, 33, 33, 63]), 'K': list([63, 4, 10, 17, 32]), 'L': list([63, 32, 32, 32]), 'M': list([63, 2, 12, 2, 63]), 'N': list([63, 6, 12, 24, 63]), 'O': list([30, 33, 33, 33, 30]), 'P': list([63, 9, 9, 9, 6]), 'Q': list([14, 17, 21, 25, 46]), 'R': list([63, 5, 13, 21, 34]), 'S': list([18, 37, 37, 37, 24]), 'T': list([1, 1, 63, 1, 1]), 'U': list([31, 32, 32, 32, 31]), 'V': list([7, 24, 32, 24, 7]), 'W': list([63, 16, 12, 16, 63]), 'X': list([33, 18, 12, 18, 33]), 'Y': list([3, 4, 56, 4, 3]), 'Z': list([49, 41, 37, 37, 35]), '.': list([32]), ',': list([32, 24]), '?': list([45, 5, 5, 2]), '!': list([47]), ':': list([20]), '-': list([8, 8, 8]), "'": list([4, 3]), '0': list([30, 33, 37, 41, 30]), '1': list([32, 34, 63, 32, 32]), '2': list([50, 41, 37, 37, 34]), '3': list([18, 33, 37, 37, 26]), '4': list([8, 12, 10, 63, 8]), '5': list([39, 37, 37, 25]), '6': list([30, 37, 37, 24]), '7': list([49, 9, 5, 3]), '8': list([26, 37, 37, 37, 26]), '9': list([6, 41, 41, 30]), ' ': list([0, 0, 0]), '$': list([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])} def init_led_panel_if() : global exitf global top exitf = False top = tk.Tk() top.title('LED DISPLAY PANEL') bfr = tk.Frame(top, name='fr') bfr.pack(side=tk.LEFT, fill=tk.Y) bfl = tk.Frame(top, name='fl') bfl.pack(side=tk.RIGHT, fill=tk.BOTH) onb = tk.Button(bfr, text='OFF', command=on_off, bg="#ffffb0", width=5, name='bon') onb.pack(side=tk.TOP) clrb = tk.Button(bfr, text='UPD', command=clr_change, bg="#ffb0ff", width=5, name='clr') clrb.pack(side=tk.BOTTOM) panel = tk.Canvas(bfl, height=60, width=960, name='display', relief=tk.SUNKEN) panel.pack(fill=tk.BOTH) for i in range(6) : for j in range(120) : x_st = 8 * j y_st = 10 * i panel.create_rectangle(x_st, y_st, x_st + 8, y_st + 10, fill='black', outline='#606060') return def active_device(w, updates=False, message='') : global exitf global top global clr global tstep global direct if not updates : rfp = dev_check(sys.argv[1]) if rfp == INVALID : print('Error opening device - you may need to insmod the driver!') top.destroy() return rfp = open(sys.argv[1], 'r', encoding='utf-8', errors='ignore') aby = rfp.readline() msg = aby[:-1] if msg.isnumeric() : direct, chg = get_options(msg) aby = rfp.readline() msg = aby[:-1] else : direct = 0 rfp.close() else : msg = message bby = list() if direct == 1 : msg = msg[::-1] for ab in msg : if direct == 1 : bby.append((alphabet_code[ab.upper()])[::-1]) else : bby.append(alphabet_code[ab.upper()]) bby.append(list([0])) for tt in range(8) : bby.append(alphabet_code['$']) num = 0 while not exitf : subnum = 0 while subnum < len(bby[num%len(bby)]) : by = bby[num%len(bby)][subnum] # print(by) for bn in range(6) : if by % 2 == 1 : if direct == 0 : w.create_rectangle(952, 10 * bn, 960, 10 * (bn + 1), fill=clr, tags='px_ON') else : w.create_rectangle(0, 10 * bn, 8, 10 * (bn + 1), fill=clr, tags='px_ON') by = by >> 1 subnum += 1 w.update() if direct == 0 : push_left(w, 'px_ON') else : push_right(w, 'px_ON') time.sleep(0.50/(tstep * 2.5)) # End while num += 1 if __name__ == '__main__' : init_led_panel_if() top.mainloop()