update lib

.micropico

@@ -0,0 +1,3 @@
+{
+    "info": "This file is just used to identify a project folder."
+}

Libs/LCD_Shield/__init__.py

@@ -1,7 +1,7 @@
 """
 Author:     Tobias Müller
 Date:       30.06.2023
-Version:    0.5
+Version:    0.7
 
 This file contains classes for LCD, Button and Led control.
 """
@@ -18,28 +18,38 @@ class LCD:
 
     ##############################           Attributes           ##############################
 
-    __lcd_setting = {"CONTROL_BYTE": 0x80,          # Set Continue Bit
-                     "LCD_PARA_FUNC1": 0x3A,        # Function Set 1 (8 Bit, RE = 1, IS = 0)
-                     "LCD_PARA_EXT_FUNC": 0x09,     # Extended Function
-                     "LCD_PARA_ENTRY_MODE": 0x06,   # Bottom View
-                     "LCD_PARA_BIAS_SET": 0x1E,     # Bias Setting
-                     "LCD_PARA_FUNC2": 0x39,        # Function Set 2 (8 Bit, RE = 0, IS = 1)
-                     "LCD_PARA_INT_OSC": 0x1B,      # Internal OSC (BS0 = 1, Bias = 1/6)
-                     "LCD_PARA_FOL_CON": 0x6E,      # Follower Control (Devider on, Set Value)
-                     "LCD_PARA_POW_CON": 0x56,      # Power Control (Booster on, Set Contrast)
-                     "LCD_PARA_CONTRAST": 0x7A,     # Set Contrast
-                     "LCD_PARA_FUNC3": 0x38,        # Function Set 3 (8 Bit, RE = 0, IS = 0)
-                     "LCD_PARA_DIS_CON": 0x0C,      # Display on/off Control (Cursor off, Blink off)
-                     "LCD_PARA_CLR_DIS": 0x01}      # Clear Display
-
-    __lcd_control = {"CONTROL_BYTE": 0x80,          # Set Continue Bit
-                     "CONTROL_BYTE_DCB": 0x40,      # Data/Command Selection Bit set
-                     "LCD_PARA_CLR_DIS": 0x01,      # Clear Display
-                     "LCD_PARA_DIS_ROW1": 0x80,     # Display Row 1
-                     "LCD_PARA_DIS_ROW2": 0xA0,     # Display Row 2
-                     "LCD_PARA_DIS_ROW3": 0xC0,     # Display Row 3
-                     "LCD_PARA_DIS_ROW4": 0xE0,     # Display Row 4
-                     "LCD_PARA_DIS_COLUMN": 0x0A}   # Columns per Display Row
+    __lcd_setting_para = {"LCD_PARA_EXT_FUNC": 0x09,        # Extended Function (4 line mode)
+                          "LCD_PARA_BIAS_SET": 0x12,        # Bias Setting (BS1 = 1)
+                          "LCD_PARA_INT_OSC": 0x1B,         # Internal OSC (BS0 = 1, Bias = 1/6)
+                          "LCD_PARA_FOL_CON": 0x6E,         # Follower Control (Devider on, Set Value)
+                          "LCD_PARA_DIS_CON": 0x0C}         # Display on/off Control (Cursor off, Blink off)
+
+    __lcd_contrast_para = {"LCD_PARA_POW_CON": 0x54,        # Power Control (Booster on) and Contrast (C5, C4)
+                           "LCD_PARA_CONTRAST": 0x70}       # Contrast (C3 - C0)
+
+    __lcd_line_mode_para = {"LCD_PARA_LINES": 0x12}         # Line Mode 
+    
+    __lcd_direction_para = {"LCD_PARA_ENTRY_MODE": 0x04}    # Display direction / orientation
+
+    __lcd_control_para_priv = {"CONTROL_BYTE": 0x00,        # Control Byte
+                               "CONTROL_BYTE_C0": 0x80,     # Control Byte (C0 = 1)
+                               "CONTROL_BYTE_RS": 0x40,     # Control Byte (RS = 1)
+                               "CONTROL_BYTE_C0_RS": 0xC0,  # Control Byte (C0 = 1, RS = 1)
+                               "FUNCTION_SET": 0x38,        # Function Set
+                               "FUNCTION_SET_RE": 0x3A,     # Function Set (RE = 1)
+                               "FUNCTION_SET_IS": 0x39,     # Function Set (IS = 1)
+                               "CLEAR_DISPLAY": 0x01,       # Clear Display
+                               "DISPLAY_ROW_1": 0x80,       # Display Row 1
+                               "DISPLAY_ROW_2": 0xA0,       # Display Row 2
+                               "DISPLAY_ROW_3": 0xC0,       # Display Row 3
+                               "DISPLAY_ROW_4": 0xE0,       # Display Row 4
+                               "DISPLAY_COLUMN": 0x0A}      # Columns per Display Row
+
+    __lcd_rom_para = {"LCD_PARA_ROM_SEL": 0x72}
+
+    __lcd_rom = {"ROM A": 0, "ROM B": 1, "ROM C": 2,
+                 "A": 0, "B": 1, "C": 2,
+                 1: 0, 2: 1, 3: 2}
 
     __i2c_ports = {"I2C0": {"SDA_PINS": [0, 4 ,8 ,12 ,16 ,20],
                             "SCL_PINS": [1, 5, 9, 13, 17, 21]},
@@ -47,8 +57,7 @@ class LCD:
                             "SCL_PINS": [3, 7, 11, 15, 19, 27]}}
     
     __i2c_frequencies = {"STANDARD_MODE": 100000,
-                         "FAST_MODE": 400000,
-                         "FAST_MODE_PLUS": 1000000}
+                         "FAST_MODE": 400000}
 
     __i2c_address = 0x3c
 
@@ -57,20 +66,42 @@ class LCD:
     def __init__(self,
                  i2c_sda_pin: int|str = 2,
                  i2c_scl_pin: int|str = 3,
-                 i2c_frequency: int|str = 400000,
+                 i2c_frequency: int|str = "FAST_MODE",
                  lcd_backlight_pin: int|str = 28,
-                 lcd_brightness: int = 100):
+                 lcd_brightness: int = 100,
+                 lcd_contrast: int = 0x2A,
+                 lcd_ascii_table: int|str = "ROM B",
+                 lcd_line_mode: int = 0,
+                 lcd_direction_top: int|bool = False):
 
         # Check and store input values
-        self.__I2C_Bus, self.__I2C_SDA_Pin, self.__I2C_SCL_Pin = self.__check_i2c_ports(i2c_sda_pin,
+        self.__i2c_bus, self.__i2c_sda_pin, self.__i2c_scl_pin = self.__check_i2c_ports(i2c_sda_pin,
                                                                                         i2c_scl_pin)
-        self.__i2c_frequency = self.__check_i2c_speed(i2c_frequency)
+        self.__i2c_frequency = self.__check_i2c_frequency(i2c_frequency)
         self.__lcd_backlight_pin = self.__check_lcd_backlight_pin(lcd_backlight_pin)
         self.__lcd_brightness = self.__check_lcd_brightness(lcd_brightness)
+        self.__lcd_contrast = self.__check_lcd_contrast(lcd_contrast)
+        self.__lcd_ascii_table = self.__check_lcd_ascii_table(lcd_ascii_table)
+        self.__lcd_line_mode = self.__check_lcd_line_mode(lcd_line_mode)
+        self.__lcd_direction_top = self.__check_lcd_direction_top(lcd_direction_top)
 
         # init i2c and backlight
         self.__init_i2c()
         self.__init_backlight_pwm()
+    
+    ##############################       Properties private       ##############################
+    
+    @property
+    def __lcd_control_para(self):
+        lcd_control_para = self.__lcd_control_para_priv.copy()
+        if self.__lcd_line_mode:
+            lcd_control_para["FUNCTION_SET"] = 0x3C
+        if self.__lcd_direction_top:
+            lcd_control_para["DISPLAY_ROW_1"] = 0x8A
+            lcd_control_para["DISPLAY_ROW_2"] = 0xAA
+            lcd_control_para["DISPLAY_ROW_3"] = 0xCA
+            lcd_control_para["DISPLAY_ROW_4"] = 0xEA
+        return lcd_control_para
 
     ##############################           Properties           ##############################
 
@@ -81,16 +112,101 @@ class LCD:
     @lcd_brightness.setter
     def lcd_brightness(self, lcd_brightness: int):
         self.__lcd_brightness = self.__check_lcd_brightness(lcd_brightness)
-        self.__backlight_pwm.duty_u16(round(65635 * (lcd_brightness / 100)))
+        self.__set_lcd_brightness()
+    
+    @property
+    def lcd_ascii_table(self):
+        return self.__lcd_ascii_table
+
+    @lcd_ascii_table.setter
+    def lcd_ascii_table(self, lcd_ascii_table: int|str):
+        self.__lcd_ascii_table = self.__check_lcd_ascii_table(lcd_ascii_table)
+        self.__set_lcd_ascii_table()
+
+    @property
+    def lcd_contrast(self):
+        return self.__lcd_contrast
+
+    @lcd_contrast.setter
+    def lcd_contrast(self, lcd_contrast: int):
+        self.__lcd_contrast = self.__check_lcd_contrast(lcd_contrast)
+        self.__set_lcd_contrast()
+
+    @property
+    def lcd_direction_top(self):
+        return self.__lcd_direction_top
+
+    @lcd_direction_top.setter
+    def lcd_direction_top(self, lcd_direction_top: int|bool):
+        self.__lcd_direction_top = self.__check_lcd_direction_top(lcd_direction_top)
+        self.__set_lcd_direction()
+        self.clear()
+
+    @property
+    def lcd_line_mode(self):
+        return self.__lcd_line_mode
+
+    @lcd_line_mode.setter
+    def lcd_line_mode(self, lcd_line_mode: int):
+        self.__lcd_line_mode = self.__check_lcd_line_mode(lcd_line_mode)
+        self.__set_lcd_line_mode()
+
+    @property
+    def lcd_backlight_pin(self):
+        return self.__lcd_backlight_pin
+
+    @lcd_backlight_pin.setter
+    def lcd_backlight_pin(self, lcd_backlight_pin: int|str):
+        self.__check_lcd_backlight_pin(lcd_backlight_pin)
+        self.__deinit_backlight_pwm()
+        self.lcd_backlight_pin = lcd_backlight_pin
+        self.__init_backlight_pwm()
+
+    @property
+    def i2c_frequency(self):
+        return self.__i2c_frequency
+
+    @i2c_frequency.setter
+    def i2c_frequency(self, i2c_frequency: int|str):
+        self.__check_i2c_frequency(i2c_frequency)
+        self.__deinit_i2c()
+        self.__i2c_frequency = i2c_frequency
+        self.__init_i2c()
+
+    @property
+    def i2c_sda_pin(self):
+        return self.__i2c_sda_pin
+
+    @i2c_sda_pin.setter
+    def i2c_sda_pin(self, i2c_sda_pin: int|str):
+        self.__check_i2c_ports(i2c_sda_pin, self.__i2c_scl_pin)
+        self.__deinit_i2c()
+        (self.__i2c_bus,
+         self.__i2c_sda_pin,
+         self.__i2c_scl_pin) = self.__check_i2c_ports(i2c_sda_pin, self.__i2c_scl_pin)
+        self.__init_i2c()
+
+    @property
+    def i2c_scl_pin(self):
+        return self.__i2c_scl_pin
+
+    @i2c_scl_pin.setter
+    def i2c_scl_pin(self, i2c_scl_pin: int|str):
+        self.__check_i2c_ports(self.__i2c_sda_pin, i2c_scl_pin)
+        self.__deinit_i2c()
+        (self.__i2c_bus,
+         self.__i2c_sda_pin,
+         self.__i2c_scl_pin) = self.__check_i2c_ports(self.__i2c_sda_pin, i2c_scl_pin)
+        self.__init_i2c()
 
     ##############################         Methods private        ##############################
 
     @staticmethod
-    def __reset_pin(pin):
+    def __reset_pin(pin: int|str):
         Pin(pin, Pin.IN, None)
 
     @staticmethod
-    def __check_lcd_brightness(lcd_brightness):
+    def __check_lcd_brightness(lcd_brightness: int):
         if not isinstance(lcd_brightness, int):
             raise ValueError(f"Value \"{lcd_brightness}\" of \"lcd_brightness\" is not type \"int\"!")
         elif lcd_brightness < 0 or lcd_brightness > 100:
@@ -99,7 +215,7 @@ class LCD:
             return lcd_brightness
 
     @staticmethod
-    def __check_lcd_backlight_pin(lcd_backlight_pin):
+    def __check_lcd_backlight_pin(lcd_backlight_pin: int|str):
         if not isinstance(lcd_backlight_pin, int) and not isinstance(lcd_backlight_pin, str):
             raise ValueError(f"Value \"{lcd_backlight_pin}\" of \"lcd_backlight_pin\" is not type" +
                              " \"int\" or \"str\"!")
@@ -109,7 +225,44 @@ class LCD:
         else:
             return lcd_backlight_pin
 
-    def __check_i2c_ports(self, i2c_sda_pin, i2c_scl_pin):
+    @staticmethod
+    def __check_lcd_line_mode(lcd_line_mode: int):
+        if not isinstance(lcd_line_mode, int):
+            raise ValueError(f"Value \"{lcd_line_mode}\" of \"lcd_line_mode\" is not type \"int\"!")
+        elif lcd_line_mode < 0 or lcd_line_mode > 4:
+            raise ValueError(f"Value \"{lcd_line_mode}\" of \"lcd_line_mode\" is out of range!")
+        else:
+            return lcd_line_mode
+
+    @staticmethod
+    def __check_lcd_direction_top(lcd_direction_top: int|bool):
+        if not isinstance(lcd_direction_top, int) and not isinstance(lcd_direction_top, bool):
+            raise ValueError(f"Value \"{lcd_direction_top}\" of \"lcd_direction_top\" is not type" +
+                             " \"int\" or \"bool\"!")
+        elif isinstance(lcd_direction_top, int) and (lcd_direction_top < 0 or lcd_direction_top > 1):
+            raise ValueError(f"Value \"{lcd_direction_top}\" of \"lcd_direction_top\" is out of range!")
+        else:
+            return lcd_direction_top
+
+    @staticmethod
+    def __check_lcd_contrast(lcd_contrast: int):
+        if not isinstance(lcd_contrast, int):
+            raise ValueError(f"Value \"{lcd_contrast}\" of \"lcd_contrast\" is not type \"int\"!")
+        elif lcd_contrast < 0 or lcd_contrast > 63:
+            raise ValueError(f"Value \"{lcd_contrast}\" of \"lcd_contrast\" is out of range!")
+        else:
+            return lcd_contrast
+
+    def __check_lcd_ascii_table(self, lcd_ascii_table: int|str):
+        if not isinstance(lcd_ascii_table, int) and not isinstance(lcd_ascii_table, str):
+            raise ValueError(f"Value \"{lcd_ascii_table}\" of \"lcd_ascii_table\" is not type" +
+                             " \"int\" or \"str\"!")
+        elif lcd_ascii_table not in self.__lcd_rom.keys():
+            raise ValueError(f"Value \"{lcd_ascii_table}\" of \"lcd_ascii_table\" is not supported!")
+        else:
+            return lcd_ascii_table
+
+    def __check_i2c_ports(self, i2c_sda_pin: int|str, i2c_scl_pin: int|str):
         if not isinstance(i2c_sda_pin, int) and not isinstance(i2c_sda_pin, str):
             raise ValueError(f"Value \"{i2c_sda_pin}\" of \"i2c_sda_pin\" is not type \"int\"" +
                              " or \"str\"!")
@@ -162,7 +315,7 @@ class LCD:
             else:
                 return 1, i2c_sda_pin, i2c_scl_pin
 
-    def __check_i2c_speed(self, i2c_frequency):
+    def __check_i2c_frequency(self, i2c_frequency: int|str):
         if not isinstance(i2c_frequency, int) and not isinstance(i2c_frequency, str):
             raise ValueError(f"Value \"{i2c_frequency}\" of \"i2c_frequency\" is not type \"int\"" +
                              " or \"str\"!")
@@ -174,53 +327,151 @@ class LCD:
     
 
     def __init_i2c(self):
-        self.__i2c = I2C(self.__I2C_Bus,
-                         sda=Pin(self.__I2C_SDA_Pin),
-                         scl=Pin(self.__I2C_SCL_Pin),
+        self.__i2c = I2C(self.__i2c_bus,
+                         sda=Pin(self.__i2c_sda_pin),
+                         scl=Pin(self.__i2c_scl_pin),
                          freq=(self.__i2c_frequency if isinstance(self.__i2c_frequency, int) else
                                self.__i2c_frequencies[self.__i2c_frequency]))
-        self.__i2c.writeto(self.__i2c_address, bytes(self.__lcd_setting.values()))
+        buffer = (self.__lcd_control_para["CONTROL_BYTE"],
+                  self.__lcd_control_para["FUNCTION_SET_RE"],
+                  self.__lcd_setting_para["LCD_PARA_EXT_FUNC"],
+                  self.__lcd_setting_para["LCD_PARA_BIAS_SET"],
+                  self.__lcd_control_para["FUNCTION_SET_IS"],
+                  self.__lcd_setting_para["LCD_PARA_INT_OSC"],
+                  self.__lcd_setting_para["LCD_PARA_FOL_CON"],
+                  self.__lcd_control_para["FUNCTION_SET"],
+                  self.__lcd_setting_para["LCD_PARA_DIS_CON"])
+        self.__i2c.writeto(self.__i2c_address, bytes(buffer))
+        self.__set_lcd_line_mode()
+        self.__set_lcd_ascii_table()
+        self.__set_lcd_contrast()
+        self.__set_lcd_direction()
+        self.clear()
 
     def __deinit_i2c(self):
-        self.__reset_pin(self.__I2C_SCL_Pin)
-        self.__reset_pin(self.__I2C_SDA_Pin)
+        self.__reset_pin(self.__i2c_scl_pin)
+        self.__reset_pin(self.__i2c_sda_pin)
 
     def __init_backlight_pwm(self):
         self.__backlight_pwm = PWM(Pin(self.__lcd_backlight_pin))
         self.__backlight_pwm.freq(1000)
-        self.__backlight_pwm.duty_u16(round(65635 * (self.lcd_brightness / 100)))
+        self.__set_lcd_brightness()
 
     def __deinit_backlight_pwm(self):
         self.__backlight_pwm.deinit()
         self.__reset_pin(self.__lcd_backlight_pin)
 
+    def __set_lcd_brightness(self):
+        self.__backlight_pwm.duty_u16(round(65635 * (self.__lcd_brightness / 100)))
+
+    def __set_lcd_ascii_table(self):
+        buffer = (self.__lcd_control_para["CONTROL_BYTE_C0"],
+                  self.__lcd_control_para["FUNCTION_SET_RE"],
+                  self.__lcd_control_para["CONTROL_BYTE_C0"],
+                  self.__lcd_rom_para["LCD_PARA_ROM_SEL"],
+                  self.__lcd_control_para["CONTROL_BYTE_C0_RS"],
+                  self.__lcd_rom[self.__lcd_ascii_table] << 0x02,
+                  self.__lcd_control_para["CONTROL_BYTE"],
+                  self.__lcd_control_para["FUNCTION_SET"])
+        self.__i2c.writeto(self.__i2c_address, bytes(buffer))
+
+    def __set_lcd_contrast(self):
+        buffer = (self.__lcd_control_para["CONTROL_BYTE"],
+                  self.__lcd_control_para["FUNCTION_SET_IS"],
+                  self.__lcd_contrast_para["LCD_PARA_POW_CON"] | (self.__lcd_contrast >> 0x04),
+                  self.__lcd_contrast_para["LCD_PARA_CONTRAST"] | (self.__lcd_contrast & 0x0F),
+                  self.__lcd_control_para["FUNCTION_SET"])
+        self.__i2c.writeto(self.__i2c_address, bytes(buffer))
+
+    def __set_lcd_direction(self):
+        buffer = [self.__lcd_control_para["CONTROL_BYTE"],
+                  self.__lcd_control_para["FUNCTION_SET_RE"]]
+        if self.__lcd_direction_top:
+            buffer.append(self.__lcd_direction_para["LCD_PARA_ENTRY_MODE"] | 0x01)
+        else:
+            buffer.append(self.__lcd_direction_para["LCD_PARA_ENTRY_MODE"] | 0x02)
+        buffer.append(self.__lcd_control_para["FUNCTION_SET"])
+        self.__i2c.writeto(self.__i2c_address, bytes(buffer))
+
+    def __set_lcd_line_mode(self):
+        buffer = [self.__lcd_control_para["CONTROL_BYTE"],
+                  self.__lcd_control_para["FUNCTION_SET_RE"]]
+        if self.__lcd_line_mode:
+            buffer.append(self.__lcd_line_mode_para["LCD_PARA_LINES"] |
+                          ((self.__lcd_line_mode - 1) << 0x02))
+        else:
+            buffer.append(self.__lcd_line_mode_para["LCD_PARA_LINES"])
+        buffer.append(self.__lcd_control_para["FUNCTION_SET"])
+        self.__i2c.writeto(self.__i2c_address, bytes(buffer))
+
     ##############################         Methods public         ##############################
 
     def change_i2c_port(self, i2c_sda_pin: int|str, i2c_scl_pin: int|str):    
-        self.__I2C_Bus, i2c_sda_pin, i2c_scl_pin = self.__check_i2c_ports(i2c_sda_pin, i2c_scl_pin)
+        self.__check_i2c_ports(i2c_sda_pin, i2c_scl_pin)
         self.__deinit_i2c()
-        self.__I2C_SCL_Pin = i2c_scl_pin
-        self.__I2C_SDA_Pin = i2c_sda_pin
+        (self.__i2c_bus,
+         self.__i2c_sda_pin,
+         self.__i2c_scl_pin) = self.__check_i2c_ports(i2c_sda_pin, i2c_scl_pin)
         self.__init_i2c()
 
     def print(self, text: str, **keywords):
-        if not isinstance(text, str):
-            raise ValueError(f"Value \"{text}\" of \"text\" is not type \"str\"!")
-        elif len(keywords) == 0:
-            self.clear()
-            buffer = [self.__lcd_control["CONTROL_BYTE"]]
-            buffer.append(self.__lcd_control["LCD_PARA_DIS_ROW1"])
-            buffer.append(self.__lcd_control["CONTROL_BYTE_DCB"])
-            for i in range(0, self.__lcd_control["LCD_PARA_DIS_COLUMN"] if
-                           len(text) > self.__lcd_control["LCD_PARA_DIS_COLUMN"] else len(text)):
-                buffer.append(ord(text[i]))
-            print(bytes(buffer))
-            self.__i2c.writeto(self.__i2c_address, bytes(buffer))
-
-    def clear(self):
-        buffer = [self.__lcd_control["CONTROL_BYTE"], self.__lcd_control["LCD_PARA_CLR_DIS"]]
+        def check_text(text: str):
+            if not isinstance(text, str):
+                raise ValueError(f"Value \"{text}\" of \"text\" is not type \"str\"!")
+            elif len(text) == 0:
+                raise ValueError(f"Value \"{text}\" of \"text\" is out of range!")
+
+        def check_keywords(keywords):
+            pass
+
+        buffer = []
+        char=0
+        linefeed = ("\n","\r") 
+        column = 0
+        line = 1
+        lines = 4 if self.__lcd_line_mode == 0 else 2 if self.__lcd_line_mode == 3 else 3 
+        
+        if len(keywords) == 0:
+            check_text(text)
+            for row in range(line,lines + 1):
+                print(len(text))
+                if len(text) == 0:
+                    break
+                buffer.append(self.__lcd_control_para["CONTROL_BYTE_C0"])
+                buffer.append(self.__lcd_control_para["DISPLAY_ROW_" + str(row)])
+                for char in range(0, self.__lcd_control_para["DISPLAY_COLUMN"] if
+                                  len(text) > self.__lcd_control_para["DISPLAY_COLUMN"] else
+                                  len(text)):
+                    if text[char] in linefeed:
+                        text = text[char + 1:]
+                        break
+                    buffer.append(self.__lcd_control_para["CONTROL_BYTE_C0_RS"])
+                    buffer.append(ord(text[char]))
+                else:
+                    text = text[self.__lcd_control_para["DISPLAY_COLUMN"]:] 
+        else:
+            check_text(text)
+            check_keywords(keywords)
+            print(keywords)
+        self.__i2c.writeto(self.__i2c_address, bytes(buffer))
+
+    def clear(self, **keywords):
+        buffer = (self.__lcd_control_para["CONTROL_BYTE"],
+                  self.__lcd_control_para["CLEAR_DISPLAY"])
         self.__i2c.writeto(self.__i2c_address, bytes(buffer))
 
 if __name__ == "__main__":
-    lcd = LCD(i2c_scl_pin="GP3", i2c_sda_pin=2, i2c_frequency=100000)
-    lcd.print("Hallo")
+    lcd = LCD(i2c_scl_pin="GP1",
+              i2c_sda_pin=0,
+              i2c_frequency=400000,
+              lcd_backlight_pin=5,
+              lcd_direction_top=False,
+              lcd_line_mode=0,
+              lcd_contrast=40,
+              lcd_brightness=100,
+              lcd_ascii_table="B")
+    lcd.print("Hallöle")
+    sleep_us(2000000)
+    lcd.clear()
+    sleep_us(2000000)
+    lcd.print("Hallüüüüü")