Merge branch 'some-update'

* some-update:
  accept seesaw pins or microcontroller.Pin, add 4 digit example

examples/tm1637_display_4digits.py

@@ -0,0 +1,32 @@
+# SPDX-FileCopyrightText: Copyright (c) 2023 Neradoc
+#
+# SPDX-License-Identifier: Unlicense
+
+"""
+4-digits 7-segments display with default order.
+"""
+
+import time
+import board
+from tm1637_display import TM1637Display
+
+display = TM1637Display(board.GP13, board.GP12, length=4, digit_order=(0, 1, 2, 3))
+
+message = "    3141592653589793    "
+
+while True:
+    for i in range(5):
+        display.print("0000")
+        time.sleep(0.1)
+        display.print("    ")
+        time.sleep(0.1)
+
+    for pos in range(len(message) - 4):
+        display.print(message[pos : pos + 4])
+        time.sleep(0.2)
+
+    for i in range(0, 10000, 7):
+        display.print(f"{i:4}")
+    display.print(9999)
+
+    time.sleep(0.2)

examples/tm1637_display_6digits.py

@@ -0,0 +1,29 @@
+# SPDX-FileCopyrightText: Copyright (c) 2023 Neradoc
+#
+# SPDX-License-Identifier: Unlicense
+
+import time
+import board
+from tm1637_display import TM1637Display
+
+display = TM1637Display(board.SCL, board.SDA, length=6, digit_order=(2, 1, 0, 5, 4, 3))
+DELAY = 0.5
+
+message = "      3141592653589793      "
+
+while True:
+    for i in range(5):
+        display.print("000000")
+        time.sleep(0.1)
+        display.print("    ")
+        time.sleep(0.1)
+
+    for pos in range(len(message) - 6):
+        display.print(message[pos : pos + 6])
+        time.sleep(0.2)
+
+    for i in range(0, 1_000_000, 7):
+        display.print(f"{i:4}")
+    display.print(9999)
+
+    time.sleep(0.2)

examples/tm1637_display_simpletest.py

@@ -6,12 +6,10 @@
 import board
 from tm1637_display import TM1637Display
 
-display = TM1637Display(board.SCL, board.SDA, length=6)
+display = TM1637Display(board.SCL, board.SDA)
 DELAY = 0.5
 
-display.print("HELLO .")
-time.sleep(DELAY)
-display.print("PQ-SUJ")
+display.print("HELLO")
 time.sleep(DELAY)
 
 for i in range(7):

tm1637_display.py

@@ -28,11 +28,11 @@
 
 import digitalio
 import microcontroller
+from microcontroller import Pin
 from micropython import const
 
 try:
     from typing import Union
-    from microcontroller import Pin
 except ImportError:
     pass
 
@@ -120,7 +120,7 @@ def __init__(
         brightness: int = 7,
     ):
         if not digit_order:
-            self.digit_order = (2, 1, 0, 5, 4, 3)
+            self.digit_order = list(range(length))
         else:
             if len(digit_order) != length:
                 raise ValueError("digit_order is a list of all digit positions")
@@ -133,10 +133,17 @@ def __init__(
         self.digits = bytearray(length)
 
         # Set the pin direction and default value.
-        self.clk = digitalio.DigitalInOut(clock)
-        self.dio = digitalio.DigitalInOut(data)
-        self.clk.switch_to_output(True)
-        self.dio.switch_to_output(True)
+        if isinstance(clock, Pin):
+            self.clk = digitalio.DigitalInOut(clock)
+            self.clk.switch_to_output(True)
+        else:
+            self.clk = clock
+
+        if isinstance(data, Pin):
+            self.dio = digitalio.DigitalInOut(data)
+            self.dio.switch_to_output(True)
+        else:
+            self.dio = data
 
     def _set_brightness(self, brightness: int, enabled: bool = True):
         """Set the brightness from 0 to 7, and enable light or not"""
@@ -302,6 +309,8 @@ def _text(self, text: str) -> None:
             if letter == ".":
                 dot = True
                 continue
+            if letter.lower() not in letter_to_segment:
+                raise ValueError(f"Letter {letter} has not matching representation")
             self.digits[k] = letter_to_segment[letter.lower()]
             if dot:
                 self.digits[k] |= _DOT_SEGMENT