Пример #1
0
class Display:
    lock = _thread.allocate_lock()

    def __init__(self):
        self.alive = False
        self.Led = Pixel()
        self.tem = [[0, 0, 0]] * 25  # 显示缓存区m=

    def stop(self):
        self.alive = False
        if Display.lock.acquire():
            # print("stop")
            Display.lock.release()

    def scroll(self, val, color=Red, delay=150):
        self.stop()
        self.alive = True
        if Display.lock.acquire():
            # print("start")
            _thread.start_new_thread(self._scroll, ([val, color, delay]))
            Display.lock.release()

    def Disrupt_Col(color):
        a = color[-1]
        while True:
            if color_num != 1:
                import random
                random.shuffle(color)
                if a != color[0]:
                    break

    def _scroll(self, val, color=Red, delay=150):
        pixel_col = [[0, 0, 0]] * 25  # 显示缓存区m=
        val = str(val) + ' '
        color_num = 1
        if color != Red:
            if isinstance(color[0], list):
                color_num = len(color)
        # self.Disrupt_Col(color) #打乱颜色顺序
        col_cnt = 0
        it = iter(color)
        for val1 in val:
            val2 = CharData[val1]

            if color_num == 1:
                now_col = color
            else:
                if col_cnt < color_num:
                    now_col = next(it)  # 确定当前字符的颜色
                else:
                    col_cnt = 0
                    it = iter(color)
                    now_col = next(it)
                col_cnt += 1

            for i in range(25):  # 为字符的像素点添加颜色
                if val2[i] == 1:
                    pixel_col[i] = now_col
                else:
                    pixel_col[i] = [0, 0, 0]
            if Display.lock.acquire():
                for i in range(6):  # 开始滚动显示
                    if self.alive == False:
                        Display.lock.release()
                        self.clear()
                        _thread.exit()
                    else:
                        for t in range(4):
                            self.tem[20 - (t * 5):20 - (t * 5) + 5] = self.tem[20 -
                                                                               ((t + 1) * 5):20 - ((t + 1) * 5) + 5]
                        # 数据向前移动5位
                        if i == 5:
                            self.tem[0:5] = Zero[0:5]  # 每个字符之间间隔一行
                        else:
                            self.tem[0:5] = pixel_col[20 -
                                                      (i * 5):20 - (i * 5) + 5]
                        for r in range(25):
                            self.Led.LoadPos(r, self.tem[r])  # 亮度为0
                        self.Led.Show()
                        sleep_ms(delay)
                Display.lock.release()
        _thread.exit()

    def clear(self):
        self.stop()
        self.Led.fill((0, 0, 0))
        self.Led.Show()

    def __show(self, it, color):
        it = iter(it)
        for r in range(25):
            col = next(it)
            self.Led.LoadPos(r, color if col else black)
        self.Led.Show()

    def show(self, images, wait=True, color=Red, *, loop=False, delay=500, clear=False):
        if isinstance(images, str):
            images = CharData[images]
        if isinstance(images, list) and (isinstance(images[0], Image) or isinstance(images[0], list)):
            for i in images:
                self.__show(i, color)
                sleep_ms(delay)
            try:
                while loop:
                    for i in images:
                        self.__show(i, color)
                        sleep_ms(delay)
            except Exception as e:
                self.Led.fill((0, 0, 0))
                self.Led.Show()

        else:
            it = iter(images)
            self.__show(it, color)
            try:
                while loop:
                    self.__show(it, color)
            except Exception as e:
                self.Led.fill((0, 0, 0))
                self.Led.Show()

    def get_pixel(self, x=0, y=0):
        print("get_pixel will be supported in the future.")

    def set_pixel(self, x=0, y=0, value=9):
        print("set_pixel will be supported in the future.")

    def on(self):
        self.clear()

    def off(self):
        self.clear()

    def is_on(self):
        return self.Led != None
Пример #2
0
class Display:
    def __init__(self):
        self.Led = Pixel()
        self.tem = [[0, 0, 0]] * 25  # 显示缓存区m=

    def Disrupt_Col(color):
        a = color[-1]
        while True:
            if color_num != 1:
                import random
                random.shuffle(color)
                if a != color[0]:
                    break

    def scroll(self, val, color=Red, delay=150):
        pixel_col = [[0, 0, 0]] * 25  # 显示缓存区m=
        val = str(val) + ' '
        color_num = 1
        if color != Red:
            if isinstance(color[0], list):
                color_num = len(color)
        # self.Disrupt_Col(color) #打乱颜色顺序
        col_cnt = 0
        it = iter(color)
        for val1 in val:
            val2 = CharData[val1]

            if color_num == 1:
                now_col = color
            else:
                if col_cnt < color_num:
                    now_col = next(it)  # 确定当前字符的颜色
                else:
                    col_cnt = 0
                    it = iter(color)
                    now_col = next(it)
                col_cnt += 1

            for i in range(25):  # 为字符的像素点添加颜色
                if val2[i] == 1:
                    pixel_col[i] = now_col
                else:
                    pixel_col[i] = [0, 0, 0]

            for i in range(6):  # 开始滚动显示
                for t in range(4):
                    self.tem[20 - (t * 5):20 - (t * 5) +
                             5] = self.tem[20 - ((t + 1) * 5):20 -
                                           ((t + 1) * 5) + 5]
                    # 数据向前移动5位
                if i == 5:
                    self.tem[0:5] = Zero[0:5]  # 每个字符之间间隔一行
                else:
                    self.tem[0:5] = pixel_col[20 - (i * 5):20 - (i * 5) + 5]
                for r in range(25):
                    self.Led.LoadPos(r, self.tem[r])  # 亮度为0
                self.Led.Show()
                sleep_ms(delay)

    def clear(self):
        self.Led.fill((0, 0, 0))
        self.Led.Show()

    def __show(self, it, color):
        it = iter(it)
        for r in range(25):
            col = next(it)
            self.Led.LoadPos(r, color if col else black)
        self.Led.Show()

    def show(self, images, color=Red, *, loop=False, delay=500):
        if isinstance(images, str):
            images = CharData[images]
        if isinstance(images, list) and (isinstance(images[0], Image)
                                         or isinstance(images[0], list)):
            for i in images:
                self.__show(i, color)
                sleep_ms(delay)
            try:
                while loop:
                    for i in images:
                        self.__show(i, color)
                        sleep_ms(delay)
            except Exception as e:
                self.Led.fill((0, 0, 0))
                self.Led.Show()

        else:
            it = iter(images)
            self.__show(it, color)
            try:
                while loop:
                    self.__show(it, color)
            except Exception as e:
                self.Led.fill((0, 0, 0))
                self.Led.Show()