MCH2022 badge?
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Content import display, keypad, time # calculator for CZ20 badge # TODO: # audio? # * and / operators # handle errors with color # can't get drawRaw to work for displaying digits BLACK=0x000000 WHITE=0xFFFFFF KEYFUNCTIONS=[ lambda: add_number(1), lambda: add_number(2), lambda: add_number(3), lambda: op_sub(), lambda: add_number(4), lambda: add_number(5), lambda: add_number(6), lambda: op_add(), lambda: add_number(7), lambda: add_number(8), lambda: add_number(9), lambda: key_error(), lambda: key_error(), lambda: add_number(0), lambda: key_error(), lambda: op_eq()] DISPLAY={ "0": [WHITE, WHITE, WHITE, WHITE, WHITE, BLACK, BLACK, WHITE, WHITE, BLACK, BLACK, WHITE, WHITE, WHITE, WHITE, WHITE,], "1": [WHITE, WHITE, WHITE, WHITE, BLACK, BLACK, WHITE, BLACK, BLACK, BLACK, WHITE, BLACK, WHITE, WHITE, WHITE, WHITE,], "2": [WHITE, WHITE, WHITE, WHITE, BLACK, BLACK, WHITE, BLACK, BLACK, WHITE, BLACK, BLACK, WHITE, WHITE, WHITE, WHITE,], "3": [WHITE, WHITE, WHITE, WHITE, BLACK, WHITE, WHITE, WHITE, BLACK, BLACK, WHITE, WHITE, WHITE, WHITE, WHITE, WHITE,], "4": [WHITE, BLACK, BLACK, WHITE, WHITE, BLACK, BLACK, WHITE, WHITE, WHITE, WHITE, WHITE, BLACK, BLACK, BLACK, WHITE,], "5": [WHITE, WHITE, WHITE, WHITE, WHITE, BLACK, BLACK, BLACK, WHITE, WHITE, WHITE, WHITE, BLACK, WHITE, WHITE, WHITE,], "6": [WHITE, BLACK, BLACK, BLACK, WHITE, WHITE, WHITE, WHITE, WHITE, BLACK, BLACK, WHITE, WHITE, WHITE, WHITE, WHITE,], "7": [WHITE, WHITE, WHITE, WHITE, BLACK, BLACK, BLACK, WHITE, BLACK, BLACK, BLACK, WHITE, BLACK, BLACK, BLACK, WHITE,], "8": [WHITE, WHITE, WHITE, BLACK, WHITE, BLACK, WHITE, WHITE, WHITE, WHITE, BLACK, WHITE, BLACK, WHITE, WHITE, WHITE,], "9": [WHITE, WHITE, WHITE, WHITE, WHITE, BLACK, BLACK, WHITE, WHITE, WHITE, WHITE, WHITE, BLACK, BLACK, BLACK, WHITE,], "-": [BLACK, BLACK, BLACK, BLACK, WHITE, WHITE, WHITE, BLACK, BLACK, BLACK, BLACK, BLACK, BLACK, BLACK, BLACK, BLACK,], "+": [BLACK, WHITE, BLACK, BLACK, WHITE, WHITE, WHITE, BLACK, BLACK, WHITE, BLACK, BLACK, BLACK, BLACK, BLACK, BLACK,], "=": [WHITE, WHITE, WHITE, BLACK, BLACK, BLACK, BLACK, BLACK, WHITE, WHITE, WHITE, BLACK, BLACK, BLACK, BLACK, BLACK,], } stack=[] first_digit=True def drawnumpad(): # clear playing field display.drawFill(0x050505) display.flush() for x in range(3): for y in range(3): display.drawPixel(x, y, 0xFFFFFF) display.drawPixel(1, 3, 0xFFFFFF) # 0 display.drawPixel(3, 0, 0xFF0000) # - if not first_digit: display.drawPixel(3, 1, 0x00FF00) # + if len(stack) >= 3: display.drawPixel(3, 3, 0x0000FF) # return display.flush() def drawstring(n): display.drawFill(0x050505) display.flush() time.sleep(0.2) for digit in n: if digit in DISPLAY: for x in range(4): for y in range(4): display.drawPixel(x, y, DISPLAY[digit][y*4+x]) #display.drawRaw(0, 0, 4, 4, DISPLAY[digit]) display.flush() time.sleep(0.5) drawnumpad() def add_number(n): global stack, first_digit if first_digit: stack.append(str(n)) first_digit = False else: stack[-1]=stack[-1]+str(n) drawstring(stack[-1]) def op_sub(): global stack, first_digit if first_digit: stack.append("-") else: stack.append(lambda x, y: x - y) first_digit = not first_digit def op_add(): global stack, first_digit if first_digit: key_error() else: stack.append(lambda x, y: x + y) first_digit = True def op_eq(): global stack, first_digit while len(stack) >= 3: x, op, y = int(stack.pop()), stack.pop(), int(stack.pop()) stack.append(str(op(x, y))) print("intermediate result: %s" % stack) if len(stack) == 1: drawstring("=" + stack[0]) print(stack[0]) stack = [] first_digit = True drawnumpad() def key_error(): print("error") def on_key(key_index, pressed): if pressed: KEYFUNCTIONS[key_index]() print(stack) keypad.add_handler(on_key) drawnumpad()