#!/usr/bin/env python3 import spidev from time import sleep import random import json def toMhz(hz): return hz * 1000 * 1000 class LedMatrix: def __init__(self, count=4, open=0, port=0): self.spi = spidev.SpiDev() self.count = count # Initiailize spi and open spi self.spi.open(open, port) # Configure spi self.spi.max_speed_hz = toMhz(6) def bootstrap(self): self.scan_limit(0x07) self.power(0x01) self.display_test(0x00) self.decode_mode(0x00) self.brightness(0x01) def brightness(self, level): self.data([0x0a,level] * self.count) def data(self, data): #print(f"data = {data}") self.spi.xfer(data) def power(self, mode): self.data([0x0c, mode] * self.count) def display_test(self, mode): self.data([0x0f, mode] * self.count) def scan_limit(self, range): self.data([0x0b, range] * self.count) def decode_mode(self, mode): self.data([0x09, mode] * self.count) def setrow(self, row, vals): data = [] for i in range(self.count): data.append(row + 1) data.append(vals[i]) self.data(data) def clear(self): for row in range(8): self.setrow(row, [0,0,0,0]) def fill(self): for row in range(8): self.setrow(row, [0xff,0xff,0xff,0xff]) def display(self, screen): for row in range(8): self.setrow(row, screen[row]) def close(self): return self.spi.close() from copy import deepcopy class Board: empty = [ [ 0 for i in range(32) ] for i in range(8) ] def __init__(self): self.board = deepcopy(self.empty) self.rows = 8 self.columns = 32 def wrap(self, x, d): if (x < 0): x += d return x % d def r(self, x): return self.wrap(x, 8) def c(self, x): return self.wrap(x, 32) def b(self, row, column): return self.board[self.r(row)][self.c(column)] def sb(self, row, column, v): self.board[self.r(row)][self.c(column)] = v def packbyte(self, seq): ret = 0 for bit in seq: ret <<= 1 ret |= bit & 0x01 return ret def packrow(self, row): return [self.packbyte(x) for x in [row[0:8], row[8:16], row[16:24], row[24:32]]] def pack(self): return [ self.packrow(x) for x in self.board ] def free(self): res = [] for r in range(self.rows): for c in range(self.columns): if not self.board[r][c]: res.append((r,c)) return res def inclife(cur): n = Board() def v(x, y): return cur.b(x, y) def adjacent(x,y): return sum([ v(x, y-1), v(x, y+1), v(x+1, y-1), v(x+1, y), v(x+1, y+1), v(x-1, y-1), v(x-1, y), v(x-1, y+1)]) def live(x,y): a = adjacent(x,y) if v(x,y): # print(f"x={x}, y={y}, a={a}") return int(a == 2 or a == 3) else: return int(a == 3) for x in range(len(cur.board)): for y in range(len(cur.board[x])): n.board[x][y] = live(x,y) return n def conway(): def rand(b): for row in range(8): for col in range(32): v = random.randint(0,1) b.sb(row,col,v) def glider(b,x,y): b.sb(y,x,1) b.sb(y+1,x,1) b.sb(y+2,x,1) b.sb(y+2,x-1,1) b.sb(y+1,x-2,1) def cross(b,x,y): b.sb(y,x,1) b.sb(y,x+1,1) b.sb(y,x+2,1) b = Board() start = 1 if 0: cross(b,6,5) elif start == 0: glider(b,1,1) elif start == 1: rand(b) elif start == 2: glider(b,1,1) glider(b,5,5) glider(b,10,5) glider(b,20,5) def done(ob,b,nb): return nb.board == b.board or nb.board == ob.board iter = 10000 fb = ob = b while iter > 0: m.display(b.pack()) sleep(.1) nb = inclife(b) # found terminal state if done(ob,b,nb): if iter > 50: iter = 50 ob = b b = nb iter = iter -1 sleep(5) if not done(ob,b,nb): with open("/home/gno/coolboards", "a") as cb: cb.write(json.dumps(fb.board)) cb.write("\n") def clock(): numbers = { '1': [[0,0,0,0,1,0,0,0], [0,0,0,1,1,0,0,0], [0,0,1,0,1,0,0,0], [0,0,0,0,1,0,0,0], [0,0,0,0,1,0,0,0], [0,0,0,0,1,0,0,0], [0,0,0,0,1,0,0,0], [0,0,0,1,1,1,0,0]], '2': [[0,0,1,1,1,0,0,0], [0,1,0,0,0,1,0,0], [0,0,0,0,0,1,0,0], [0,0,0,1,1,0,0,0], [0,0,1,0,0,0,0,0], [0,1,0,0,0,0,0,0], [0,1,0,0,0,0,0,0], [0,1,1,1,1,1,0,0]], '3': [[0,0,0,1,1,1,0,0], [0,0,1,0,0,0,1,0], [0,0,0,0,0,0,1,0], [0,0,0,0,1,1,0,0], [0,0,0,0,0,1,0,0], [0,0,0,0,0,0,1,0], [0,0,1,0,0,0,1,0], [0,0,0,1,1,1,0,0]], '4': [[0,0,0,0,0,1,0,0], [0,0,0,0,1,1,0,0], [0,0,0,1,0,1,0,0], [0,0,1,0,0,1,0,0], [0,0,1,0,0,1,0,0], [0,0,1,1,1,1,1,0], [0,0,0,0,0,1,0,0], [0,0,0,0,0,1,0,0]], '5': [[0,1,1,1,1,0,0,0], [0,1,0,0,0,0,0,0], [0,1,0,0,0,0,0,0], [0,1,1,1,1,0,0,0], [0,0,0,0,0,1,0,0], [0,0,0,0,0,1,0,0], [0,0,0,0,0,1,0,0], [0,1,1,1,1,0,0,0]], '6': [[0,0,1,1,1,0,0,0], [0,1,0,0,0,1,0,0], [0,1,0,0,0,0,0,0], [0,1,1,1,1,0,0,0], [0,1,0,0,0,1,0,0], [0,1,0,0,0,1,0,0], [0,1,0,0,0,1,0,0], [0,0,1,1,1,0,0,0]], '7': [[0,1,1,1,1,0,0,0], [0,0,0,0,0,1,0,0], [0,0,0,0,1,0,0,0], [0,0,0,1,0,0,0,0], [0,0,1,0,0,0,0,0], [0,0,1,0,0,0,0,0], [0,0,1,0,0,0,0,0], [0,0,1,0,0,0,0,0]], '9': [[0,0,1,1,1,1,0,0], [0,1,0,0,0,0,1,0], [0,1,0,0,0,0,1,0], [0,0,1,1,1,1,1,0], [0,0,0,0,0,0,1,0], [0,0,0,0,0,0,1,0], [0,0,0,0,0,1,0,0], [0,0,1,1,1,0,0,0]], '8': [[0,0,1,1,1,1,0,0], [0,0,1,0,0,1,0,0], [0,0,1,0,0,1,0,0], [0,0,0,1,1,0,0,0], [0,0,0,1,1,0,0,0], [0,0,1,0,0,1,0,0], [0,0,1,0,0,1,0,0], [0,0,1,1,1,1,0,0]], '0': [[0,0,0,1,1,0,0,0], [0,0,1,0,0,1,0,0], [0,0,1,0,0,1,0,0], [0,0,1,0,1,1,0,0], [0,0,1,1,0,1,0,0], [0,0,1,0,0,1,0,0], [0,0,1,0,0,1,0,0], [0,0,0,1,1,0,0,0]] } b = Board() from datetime import datetime, timezone from zoneinfo import ZoneInfo now = datetime.now().astimezone(ZoneInfo("America/Los_Angeles")) timestr = now.strftime("%H%M") off = 0 for digit in timestr: pattern = numbers[digit] for i in range(8): for j in range(8): b.board[i][j+off] = pattern[i][j] off += 8 b.board[2][16] = 1 b.board[3][16] = 1 b.board[5][16] = 1 b.board[6][16] = 1 m.display(b.pack()) sleep(10) def snake(): b = Board() # maybe this should go in board def unoccupied(): (r,c) = random.choice(b.free()) b.board[r][c] = 1 return (r,c) snake = [unoccupied()] food = unoccupied() alive = True def calculate_direction(): (sr, sc) = snake[0] (fr, fc) = food (dr, dc) = (0,0) if abs(fr - sr) > abs(fc - sc): dr = 1 if (fr < sr): dr = -1 else: dc = 1 if (fc < sc): dc = -1 return (dr, dc) def update_snake(): nonlocal food nonlocal alive dr,dc = calculate_direction() # delta cr,cc = snake[0] #current r,c = (dr+cr, dc+cc) snake.insert(0, (r,c)) if b.board[r][c]: if food == (r,c): food = unoccupied() else: alive = False else: b.board[r][c] = 1 (er,ec) = snake.pop() # end b.board[er][ec] = 0 while alive: m.display(b.pack()) update_snake() sleep(.1) sleep(5) m = LedMatrix() m.bootstrap() m.fill() m.clear() while True: snake() clock() conway() clock()