import time import badger2040 import badger_os # Global Constants WIDTH = badger2040.WIDTH HEIGHT = badger2040.HEIGHT IMAGE_WIDTH = 104 COMPANY_HEIGHT = 30 DETAILS_HEIGHT = 20 NAME_HEIGHT = HEIGHT - COMPANY_HEIGHT - (DETAILS_HEIGHT * 2) - 2 TEXT_WIDTH = WIDTH - IMAGE_WIDTH - 1 COMPANY_TEXT_SIZE = 0.6 DETAILS_TEXT_SIZE = 0.5 LEFT_PADDING = 5 NAME_PADDING = 20 DETAIL_SPACING = 10 DEFAULT_TEXT = """mustelid inc H. Badger RP2040 2MB Flash E ink 296x128px""" BADGE_IMAGE = bytearray(int(IMAGE_WIDTH * HEIGHT / 8)) try: open("badge-image.bin", "rb").readinto(BADGE_IMAGE) except OSError: try: import badge_image BADGE_IMAGE = bytearray(badge_image.data()) del badge_image except ImportError: pass # ------------------------------ # Utility functions # ------------------------------ # Reduce the size of a string until it fits within a given width def truncatestring(text, text_size, width): while True: length = display.measure_text(text, text_size) if length > 0 and length > width: text = text[:-1] else: text += "" return text # ------------------------------ # Drawing functions # ------------------------------ # Draw the badge, including user text def draw_badge(): display.pen(0) display.clear() # Draw badge image display.image(BADGE_IMAGE, IMAGE_WIDTH, HEIGHT, WIDTH - IMAGE_WIDTH, 0) # Draw a border around the image display.pen(0) display.thickness(1) display.line(WIDTH - IMAGE_WIDTH, 0, WIDTH - 1, 0) display.line(WIDTH - IMAGE_WIDTH, 0, WIDTH - IMAGE_WIDTH, HEIGHT - 1) display.line(WIDTH - IMAGE_WIDTH, HEIGHT - 1, WIDTH - 1, HEIGHT - 1) display.line(WIDTH - 1, 0, WIDTH - 1, HEIGHT - 1) # Uncomment this if a white background is wanted behind the company # display.pen(15) # display.rectangle(1, 1, TEXT_WIDTH, COMPANY_HEIGHT - 1) # Draw the company display.pen(15) # Change this to 0 if a white background is used display.font("serif") display.thickness(3) display.text(company, LEFT_PADDING, (COMPANY_HEIGHT // 2) + 1, COMPANY_TEXT_SIZE) # Draw a white background behind the name display.pen(15) display.thickness(1) display.rectangle(1, COMPANY_HEIGHT + 1, TEXT_WIDTH, NAME_HEIGHT) # Draw the name, scaling it based on the available width display.pen(0) display.font("sans") display.thickness(4) name_size = 2.0 # A sensible starting scale while True: name_length = display.measure_text(name, name_size) if name_length >= (TEXT_WIDTH - NAME_PADDING) and name_size >= 0.1: name_size -= 0.01 else: display.text(name, (TEXT_WIDTH - name_length) // 2, (NAME_HEIGHT // 2) + COMPANY_HEIGHT + 1, name_size) break # Draw a white backgrounds behind the details display.pen(15) display.thickness(1) display.rectangle(1, HEIGHT - DETAILS_HEIGHT * 2, TEXT_WIDTH, DETAILS_HEIGHT - 1) display.rectangle(1, HEIGHT - DETAILS_HEIGHT, TEXT_WIDTH, DETAILS_HEIGHT - 1) # Draw the first detail's title and text display.pen(0) display.font("sans") display.thickness(3) name_length = display.measure_text(detail1_title, DETAILS_TEXT_SIZE) display.text(detail1_title, LEFT_PADDING, HEIGHT - ((DETAILS_HEIGHT * 3) // 2), DETAILS_TEXT_SIZE) display.thickness(2) display.text(detail1_text, 5 + name_length + DETAIL_SPACING, HEIGHT - ((DETAILS_HEIGHT * 3) // 2), DETAILS_TEXT_SIZE) # Draw the second detail's title and text display.thickness(3) name_length = display.measure_text(detail2_title, DETAILS_TEXT_SIZE) display.text(detail2_title, LEFT_PADDING, HEIGHT - (DETAILS_HEIGHT // 2), DETAILS_TEXT_SIZE) display.thickness(2) display.text(detail2_text, LEFT_PADDING + name_length + DETAIL_SPACING, HEIGHT - (DETAILS_HEIGHT // 2), DETAILS_TEXT_SIZE) # ------------------------------ # Program setup # ------------------------------ # Create a new Badger and set it to update NORMAL display = badger2040.Badger2040() display.led(128) display.update_speed(badger2040.UPDATE_NORMAL) # Open the badge file try: badge = open("badge.txt", "r") except OSError: with open("badge.txt", "w") as f: f.write(DEFAULT_TEXT) f.flush() badge = open("badge.txt", "r") # Read in the next 6 lines company = badge.readline() # "mustelid inc" name = badge.readline() # "H. Badger" detail1_title = badge.readline() # "RP2040" detail1_text = badge.readline() # "2MB Flash" detail2_title = badge.readline() # "E ink" detail2_text = badge.readline() # "296x128px" # Truncate all of the text (except for the name as that is scaled) company = truncatestring(company, COMPANY_TEXT_SIZE, TEXT_WIDTH) detail1_title = truncatestring(detail1_title, DETAILS_TEXT_SIZE, TEXT_WIDTH) detail1_text = truncatestring(detail1_text, DETAILS_TEXT_SIZE, TEXT_WIDTH - DETAIL_SPACING - display.measure_text(detail1_title, DETAILS_TEXT_SIZE)) detail2_title = truncatestring(detail2_title, DETAILS_TEXT_SIZE, TEXT_WIDTH) detail2_text = truncatestring(detail2_text, DETAILS_TEXT_SIZE, TEXT_WIDTH - DETAIL_SPACING - display.measure_text(detail2_title, DETAILS_TEXT_SIZE)) # ------------------------------ # Main program # ------------------------------ draw_badge() while True: if display.pressed(badger2040.BUTTON_A) or display.pressed(badger2040.BUTTON_B) or display.pressed(badger2040.BUTTON_C) or display.pressed(badger2040.BUTTON_UP) or display.pressed(badger2040.BUTTON_DOWN): badger_os.warning(display, "To change the text, connect Badger2040 to a PC, load up Thonny, and modify badge.txt") time.sleep(4) draw_badge() display.update() # If on battery, halt the Badger to save power, it will wake up if any of the front buttons are pressed display.halt()