Tested source file and examples on pi

Author: makin-stuff

examples/qwiic_alphanumeric_ex01_begin.py

@@ -49,16 +49,16 @@ def run_example():
     print("\nSparkFun Qwiic Alphanumeric - Example 1: Begin")
     my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin() != True:
+    if my_display.begin() == False:
         print("\nThe Qwiic Alhanumeric isn't connected to the system. Please check your connection", \
             file=sys.stderr)
         return
 
     print("\nQwiic Alphanumeric passed begin!")
-
+    
 if __name__ == '__main__':
     try:
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 1")
-        sys.exit(0)
+        sys.exit(0)

examples/qwiic_alphanumeric_ex02_turn_on_one_segment.py

@@ -50,13 +50,72 @@ def run_example():
     print("\nSparkFun Qwiic Alphanumeric - Example 2: Turn On One Segment")
     my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin() != True:
+    if my_display.begin() == False:
         print("\nThe Qwiic Alphanumeric isn't connected to the system. Please check your connection", \
             file=sys.stderr)
         return
 
     print("\nQwiic Alphanumeric ready!")
-
+    
+    # while True:
+        # for display_num in range(0, 4):
+            # my_display.illuminate_segment('A', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('B', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('C', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('D', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('E', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('F', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('G', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('H', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('I', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('J', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('K', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('L', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('M', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+            # my_display.illuminate_segment('N', display_num)
+            # my_display.update_display()
+            # time.sleep(1)
+            # my_display.clear()
+    
     my_display.illuminate_segment('A', 0)
     my_display.illuminate_segment('L', 1)
     my_display.illuminate_segment('I', 2)
@@ -69,4 +128,4 @@ def run_example():
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 2")
-        sys.exit(0)
+        sys.exit(0)

examples/qwiic_alphanumeric_ex03_print_char.py

@@ -49,23 +49,33 @@ def run_example():
     print("\nSparkFun Qwiic Alphanumeric - Example 3: Print Char")
     my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin() != True:
+    if my_display.begin() == False:
         print("\nThe Qwiic Alphanumeric isn't connected to the system. Please check your connection.", \
             file=sys.stderr)
         return
 
     print("\nQwiic Alphanumeric ready!")
-
+        
     my_display.print_char('W', 0)
     my_display.print_char('H', 1)
     my_display.print_char('A', 2)
     my_display.print_char('T', 3)
 
     my_display.update_display()
+    
+    # # Un comment these lines if you want to see all available characters
+    # # Print to every digit of a given display
+    # for digit_num in range(0, 4):
+        # for i in range(ord(' '), ord('~')):
+            # if i is not ord(':') or ord('.'):
+                # my_display.print_char(chr(i), digit_num)
+                # my_display.update_display()
+                # time.sleep(1)
+                # my_display.clear()
 
 if __name__ == '__main__':
     try:
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 3")
-        sys.exit(0)
+        sys.exit(0)

examples/qwiic_alphanumeric_ex04_print_string.py

@@ -48,9 +48,9 @@
 def run_example():
 
     print("\nSparkFun Qwiic Alphanumeric - Example 4: Print String")
-    my_display = qwiic_alphaumeric.QwiicAlphanumeric()
+    my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin() != True:
+    if my_display.begin() == False:
         print("\nThe Qwiic Alphanumeric isn't connected to the system. Please check your connection.", \
             file=sys.stderr)
         return
@@ -64,4 +64,4 @@ def run_example():
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 4")
-        sys.exit(0)
+        sys.exit(0)

examples/qwiic_alphanumeric_ex05_set_brightness.py

@@ -49,23 +49,25 @@ def run_example():
     print("\nSparkFun Qwiic Alphanumeric - Example 5: Set Brightness")
     my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin() != True:
+    if my_display.begin() == False:
         print("\nThe Qwiic Alphanumeric isn't connected to the system. Please check your wiring.", \
             file=sys.stderr)
         return
 
     print("\nQwiic Alphanumeric Ready!")
 
-    # The input to set_brightness() is a duty cycle over 16
-    # So, the acceptable inputs to this function are ints between 0 (display off)
-    # and 15 (full brightness)
-    my_display.set_brightness(15)
-
-    my_display.print("Milk")
+    while True:
+        for i in range(0, 16):
+            # The input to set_brightness() is a duty cycle over 16
+            # So, the acceptable inputs to this function are ints between 0 (display off)
+            # and 15 (full brightness)
+            my_display.set_brightness(i)
+            my_display.display_print("Milk")
+            time.sleep(1)
 
 if __name__ == '__main__':
     try:
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 5")
-        sys.exit(0)
+        sys.exit(0)

examples/qwiic_alphanumeric_ex06_set_blink_rate.py

@@ -49,7 +49,7 @@ def run_example():
     print("\nSparkFun Qwiic Alphanumeric - Example 6: Set Blink Rate")
     my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin() != True:
+    if my_display.begin() == False:
         print("\nThe Qwiic Alphanumeric isn't connected to the system. Please check your connection.", \
             file=sys.stderr)
         return
@@ -58,7 +58,7 @@ def run_example():
 
     # Blink rate in Hz
     # Acceptable options are defined by the HT16K33 datasheet and are 0.5, 1.0, or 2.0 Hz (float)
-    my_display.set_blink_rate(2.0)
+    my_display.set_blink_rate(0.5)
 
     my_display.print("Milk")
 
@@ -67,4 +67,4 @@ def run_example():
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 6")
-        sys.exit(0)
+        sys.exit(0)

examples/qwiic_alphanumeric_ex07_colon_and_decimal.py

@@ -49,7 +49,7 @@ def run_example():
     print("\nSparkFun Qwiic Alphanumeric - Example 7: Colon and Decimal")
     my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin() != True:
+    if my_display.begin() == False:
         print("\nThe Qwiic Alphanumeric isn't connected to the system. Please check your connections.", \
             file=sys.stderr)
         return
@@ -59,18 +59,20 @@ def run_example():
     # You can print colons and decimals
     # NOTE: they can only go in the character position deterined by the layout of the display
     my_display.print("12:3.4")
-
-    # You can also turn decimals and colong on and off manually
+    
+    # You can also turn decimals and colon on and off manually
     # my_display.decimal_on() # Turn all decimals on  
     # my_display.decimal_off()    # Turn all decimals off
-    # my_display.decimal_on_single(0) # Turn decimal on for one display   # TODO: this line should not work....
-    # my_display.colon()  # Turn all colons on
+    # my_display.decimal_on_single(1) # Turn decimal on for display one
+    # my_display.decimal_off_single(1)    # Turn decimal off for display one
+    # my_display.colon_on()  # Turn all colons on
     # my_display.colon_off()  # Turn all the colons off
-    # my_display.colon_on_single(1)   # Turn colon on for one display
+    # my_display.colon_on_single(1)   # Turn colon on for display one
+    # my_display.colon_off_single(1)  # Turn colon off for display one
 
 if __name__ == '__main__':
     try:
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 7")
-        sys.exit(0)
+        sys.exit(0)

examples/qwiic_alphanumeric_ex08_unknown_char.py

@@ -50,16 +50,20 @@ def run_example():
     print("\nSparkFun Qwiic Alphanumeric - Example 8: Unkown Char")
     my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin() != True:
+    if my_display.begin() == False:
         print("\nThe Qwiic Alphanumeric isn't connected to the system. Please check your connection.", \
             file=sys.stderr)
         return
 
     print("\nQwiic Alphanumeric ready!")
+    
+    # Because '\t' is a character unkown to the library, expect the display
+    # to turn on all sefments for that unknown digit/character
+    my_display.print("\t\t\t\t")   # Tabs are not printable characters
 
 if __name__ == '__main__':
     try:
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 8")
-        sys.exit(0)
+        sys.exit(0)

examples/qwiic_alphanumeric_ex09_multi_display.py

@@ -50,7 +50,7 @@ def run_example():
     print("\nSparkFun Qwiic Alphanumeric - Example 9: Multi Display")
     my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin(0x70, 0x71) != True:
+    if my_display.begin(0x73, 0x70) == False:
         print("\nThe Qwiic Alhanumerics aren't connected to the system. Please check your connection", \
             file=sys.stderr)
         return
@@ -64,4 +64,4 @@ def run_example():
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 9")
-        sys.exit(0)
+        sys.exit(0)

examples/qwiic_alphanumeric_ex10_scrolling_string.py

@@ -49,24 +49,42 @@ def run_example():
     print("\nSparkFun Qwiic Alphanumeric - Example 10: Scrolling String")
     my_display = qwiic_alphanumeric.QwiicAlphanumeric()
 
-    if my_display.begin(0x70, 0x71) != True:
+    if my_display.begin(0x70, 0x72) == False:
         print("\nThe Qwiic Alhanumerics aren't connected to the system. Please check your connection", \
             file=sys.stderr)
         return
 
     print("\nQwiic Alphanumerics passed begin!")
 
+    # my_display.print("GET MILK")
+    # time.sleep(1)
+    # my_display.print("ET MILK ")
+    # time.sleep(1)
+    # my_display.print("T MILK  ")
+    # time.sleep(1)
+    # my_display.print(" MILK   ")
+    # time.sleep(1)
+    # my_display.print("MILK    ")
+    # time.sleep(1)
+    # my_display.print("ILK     ")
+    # time.sleep(1)
+    # my_display.print("LK      ")
+    # time.sleep(1)
+    # my_display.print("K       ")
+    # time.sleep(1)
+    # my_display.print("        ")
+    
     my_display.print("GET MILK")
 
     while 1:
-        time.sleep(0.03)
-        my_display.shift_left()
+        time.sleep(1)
+        #my_display.shift_left()
         # Alternatively - you could also shift the string to the right
-        # my_display.shift_right()
+        my_display.shift_right()
 
 if __name__ == '__main__':
     try:
         run_example()
     except (KeyboardInterrupt, SystemExit) as exErr:
         print("\nEnding Example 10")
-        sys.exit(0)
+        sys.exit(0)