lcd = CharLCD(address=0x38, port=1, cols=20, rows=4, dotsize=8)
input('Display should be blank. ')
lcd.cursor_mode = CursorMode.blink
input('The cursor should now blink. ')
lcd.cursor_mode = CursorMode.line
input('The cursor should now be a line. ')
lcd.write_string('Hello world!')
input('"Hello world!" should be on the LCD. ')
assert lcd.cursor_pos == (0, 12), 'cursor_pos should now be (0, 12)'
lcd.cursor_pos = (1, 0)
lcd.write_string('2')
lcd.cursor_pos = (2, 0)
lcd.write_string('3')
lcd.cursor_pos = (3, 0)
lcd.write_string('4')
assert lcd.cursor_pos == (3, 1), 'cursor_pos should now be (3, 1)'
input('Lines 2, 3 and 4 should now be labelled with the right numbers. ')
lcd.clear()
input('Display should now be clear, cursor should be at initial position. ')
lcd.cursor_pos = (0, 5)
lcd.write_string('12345')
input('The string should have a left offset of 5 characters. ')
lcd = CharLCD(address=0x38, port=1, cols=20, rows=4, dotsize=8)
input('Display should be blank. ')
lcd.cursor_mode = CursorMode.blink
input('The cursor should now blink. ')
lcd.cursor_mode = CursorMode.line
input('The cursor should now be a line. ')
lcd.write_string('Hello world!')
input('"Hello world!" should be on the LCD. ')
assert lcd.cursor_pos == (0, 12), 'cursor_pos should now be (0, 12)'
lcd.cursor_pos = (1, 0)
lcd.write_string('2')
lcd.cursor_pos = (2, 0)
lcd.write_string('3')
lcd.cursor_pos = (3, 0)
lcd.write_string('4')
assert lcd.cursor_pos == (3, 1), 'cursor_pos should now be (3, 1)'
input('Lines 2, 3 and 4 should now be labelled with the right numbers. ')
lcd.clear()
input('Display should now be clear, cursor should be at initial position. ')
lcd.cursor_pos = (0, 5)
lcd.write_string('12345')
input('The string should have a left offset of 5 characters. ')
lcd = CharLCD(address=0x3F, port=1, cols=16, rows=2, dotsize=8)
input('Display should be blank. ')
lcd.cursor_mode = CursorMode.blink
input('The cursor should now blink. ')
lcd.cursor_mode = CursorMode.line
input('The cursor should now be a line. ')
lcd.write_string('Hello world!')
input('"Hello world!" should be on the LCD. ')
assert lcd.cursor_pos == (0, 12), 'cursor_pos should now be (0, 12)'
lcd.cursor_pos = (1, 0)
lcd.write_string('2')
assert lcd.cursor_pos == (1, 1), 'cursor_pos should now be (2, 1)'
input('Lines 2, should now be labelled with the right number. ')
lcd.clear()
input('Display should now be clear, cursor should be at initial position. ')
lcd.cursor_pos = (0, 5)
lcd.write_string('12345')
input('The string should have a left offset of 5 characters. ')
lcd.write_shift_mode = ShiftMode.display
lcd.cursor_pos = (1, 5)
lcd.write_string('12345')
input('Both strings should now be at column 0. ')