142 lines
3.8 KiB
Python
142 lines
3.8 KiB
Python
import badger2040
|
|
import machine
|
|
import time
|
|
|
|
# Global Constants
|
|
FONT_NAMES = ("sans", "gothic", "cursive", "serif", "serif_italic")
|
|
|
|
WIDTH = badger2040.WIDTH
|
|
HEIGHT = badger2040.HEIGHT
|
|
|
|
MENU_TEXT_SIZE = 0.5
|
|
MENU_SPACING = 20
|
|
MENU_WIDTH = 84
|
|
MENU_PADDING = 2
|
|
|
|
TEXT_SIZE = 0.8
|
|
TEXT_INDENT = MENU_WIDTH + 10
|
|
|
|
ARROW_THICKNESS = 3
|
|
ARROW_WIDTH = 18
|
|
ARROW_HEIGHT = 14
|
|
ARROW_PADDING = 2
|
|
|
|
|
|
# ------------------------------
|
|
# Drawing functions
|
|
# ------------------------------
|
|
|
|
# Draw a upward arrow
|
|
def draw_up(x, y, width, height, thickness, padding):
|
|
border = (thickness // 4) + padding
|
|
display.line(x + border, y + height - border,
|
|
x + (width // 2), y + border)
|
|
display.line(x + (width // 2), y + border,
|
|
x + width - border, y + height - border)
|
|
|
|
|
|
# Draw a downward arrow
|
|
def draw_down(x, y, width, height, thickness, padding):
|
|
border = (thickness // 2) + padding
|
|
display.line(x + border, y + border,
|
|
x + (width // 2), y + height - border)
|
|
display.line(x + (width // 2), y + height - border,
|
|
x + width - border, y + border)
|
|
|
|
|
|
# Draw the frame of the reader
|
|
def draw_frame():
|
|
display.pen(15)
|
|
display.clear()
|
|
display.pen(12)
|
|
display.rectangle(WIDTH - ARROW_WIDTH, 0, ARROW_WIDTH, HEIGHT)
|
|
display.pen(0)
|
|
display.thickness(ARROW_THICKNESS)
|
|
draw_up(WIDTH - ARROW_WIDTH, (HEIGHT // 4) - (ARROW_HEIGHT // 2),
|
|
ARROW_WIDTH, ARROW_HEIGHT, ARROW_THICKNESS, ARROW_PADDING)
|
|
draw_down(WIDTH - ARROW_WIDTH, ((HEIGHT * 3) // 4) - (ARROW_HEIGHT // 2),
|
|
ARROW_WIDTH, ARROW_HEIGHT, ARROW_THICKNESS, ARROW_PADDING)
|
|
|
|
|
|
# Draw the fonts and menu
|
|
def draw_fonts():
|
|
display.font("sans")
|
|
display.thickness(1)
|
|
for i in range(len(FONT_NAMES)):
|
|
name = FONT_NAMES[i]
|
|
display.pen(0)
|
|
if i == selected_font:
|
|
display.rectangle(0, i * MENU_SPACING, MENU_WIDTH, MENU_SPACING)
|
|
display.pen(15)
|
|
|
|
display.text(name, MENU_PADDING, (i * MENU_SPACING) + (MENU_SPACING // 2), MENU_TEXT_SIZE)
|
|
|
|
display.font(FONT_NAMES[selected_font])
|
|
display.thickness(2)
|
|
|
|
display.pen(0)
|
|
display.text("The quick", TEXT_INDENT, 10, TEXT_SIZE)
|
|
display.text("brown fox", TEXT_INDENT, 32, TEXT_SIZE)
|
|
display.text("jumped over", TEXT_INDENT, 54, TEXT_SIZE)
|
|
display.text("the lazy dog.", TEXT_INDENT, 76, TEXT_SIZE)
|
|
display.text("0123456789", TEXT_INDENT, 98, TEXT_SIZE)
|
|
display.text("!\"£$%^&*()", TEXT_INDENT, 120, TEXT_SIZE)
|
|
display.thickness(1)
|
|
|
|
display.update()
|
|
|
|
|
|
# ------------------------------
|
|
# Program setup
|
|
# ------------------------------
|
|
|
|
# Global variables
|
|
selected_font = 0
|
|
pressed = False
|
|
|
|
# Create a new Badger and set it to update FAST
|
|
display = badger2040.Badger2040()
|
|
display.update_speed(badger2040.UPDATE_FAST)
|
|
|
|
# Set up the buttons
|
|
button_up = machine.Pin(badger2040.BUTTON_UP, machine.Pin.IN, machine.Pin.PULL_DOWN)
|
|
button_down = machine.Pin(badger2040.BUTTON_DOWN, machine.Pin.IN, machine.Pin.PULL_DOWN)
|
|
|
|
|
|
# Button handling function
|
|
def button(pin):
|
|
global pressed
|
|
global selected_font
|
|
|
|
if not pressed:
|
|
if pin == button_up:
|
|
selected_font -= 1
|
|
if selected_font < 0:
|
|
selected_font = len(FONT_NAMES) - 1
|
|
pressed = True
|
|
return
|
|
if pin == button_down:
|
|
selected_font += 1
|
|
if selected_font >= len(FONT_NAMES):
|
|
selected_font = 0
|
|
pressed = True
|
|
return
|
|
|
|
|
|
# Register the button handling function with the buttons
|
|
button_up.irq(trigger=machine.Pin.IRQ_RISING, handler=button)
|
|
button_down.irq(trigger=machine.Pin.IRQ_RISING, handler=button)
|
|
|
|
|
|
# ------------------------------
|
|
# Main program loop
|
|
# ------------------------------
|
|
|
|
while True:
|
|
draw_frame()
|
|
draw_fonts()
|
|
|
|
pressed = False
|
|
while not pressed:
|
|
time.sleep(0.1)
|