# sample Python code for thermal printers on BBC micro:bit
# by Giles Booth @blogmywiki / for more information
# see http://www.suppertime.co.uk/blogmywiki/2016/12/microbit-thermal/

import microbit
import random
microbit.uart.init(baudrate=19200, bits=8, parity=None, stop=1, tx=microbit.pin8, rx=None)

# Print lines of text in buffer
def thermal_print_ln(msg):
    microbit.uart.write(msg+"\n")

# Send text but don't print - you need to send a 
# newline (\n) character to empty buffer & print.
# This enables mixed print modes on same line.
def thermal_print(msg):
    microbit.uart.write(msg)

def doubleHeightOn():
    microbit.uart.write("\x1B\x21\x10") 
 
def doubleHeightOff():
    global print_mode
    microbit.uart.write("\x1B\x21\x00") 

def smallFontOn():
    microbit.uart.write("\x1B\x21\x01") 
    
def smallFontOff():
    microbit.uart.write("\x1B\x21\x00") 

def boldOn():
    microbit.uart.write("\x1B\x45\x01") 
    
def boldOff():
    microbit.uart.write("\x1B\x45\x00") 

def wideOn():
    microbit.uart.write("\x1B\x0E") 

def wideOff():
    microbit.uart.write("\x1B\x14") 

def inverseOn():
    microbit.uart.write("\x1B\x21\x02") 
    
def inverseOff():
    microbit.uart.write("\x1B\x21\x00") 

def upsideDownOn():
    microbit.uart.write("\x1B\x7B\x01") 

def upsideDownOff():
    microbit.uart.write("\x1B\x7B\x00") 

def underlineOn():
    microbit.uart.write("\x1B\x2D\x02") 

def underlineOff():
    microbit.uart.write("\x1B\x2D\x00") 

def largeFontOn():
    microbit.uart.write("\x1D\x21\x11") 

def largeFontOff():
    microbit.uart.write("\x1D\x21\x00") 

def leftAlign():
    microbit.uart.write("\x1B\x61\x00")

def centreAlign():
    microbit.uart.write("\x1B\x61\x01")

def rightAlign():
    microbit.uart.write("\x1B\x61\x02")

# prints test page
def printerTest():
    microbit.uart.write("\x12\x54")

# resets the printer to default values
def printerReset():
    microbit.uart.write("\x1B\x40")

# press button A to activate demo
# increase printing temperature and time
microbit.uart.write("\x1B\x37\x07\xFF\xFF")

noun_list = ["fish ", "dog ", "cat ", "girl ", "boy ", "duck ", "teacher ", "snake ", "kitten ", "puppy ", "bird ", "bee ", "spider ", "ant "]

verb_list = ["walks ", "runs ", "eats ", "sings ", "smiles ", "waves ", "swims ", "talks ", "stands ", "looks ", "nods ", "sleeps ", "flies ", "floats "]

adverb_list = ["quickly ", "slowly ", "happily ", "sadly ", "gracefully ", "hungrily ", "well ", "badly ", "bravely ", "lazily ", "joyfully ", "crossly ", "loudly ", "quietly "]

preposition_list = ["under ", "over ", "beneath ", "through ", "into ", "above "]

adjective_list = ["dark ", "spooky ", "lonely ", "ancient "]

place_list = ["sky ", "pond ", "forest ", "ocean ", "lake ", "city ", "village "]

while True:
    if microbit.button_a.was_pressed():
        poem = noun_list[random.randint(0, len(noun_list)-1)] \
        + verb_list[random.randint(0, len(verb_list)-1)] \
        + adverb_list[random.randint(0, len(adverb_list)-1)] \
        + preposition_list[random.randint(0, len(preposition_list)-1)] \
        + "the " + adjective_list[random.randint(0, len(adjective_list)-1)] \
        + place_list[random.randint(0, len(place_list)-1)]
        thermal_print_ln("micro:bit poem or story")
        thermal_print_ln("specially made for you!")
        largeFontOn()
        thermal_print_ln(noun_list[random.randint(0, len(noun_list)-1)] + verb_list[random.randint(0, len(verb_list)-1)])
        thermal_print_ln(adverb_list[random.randint(0, len(adverb_list)-1)] + preposition_list[random.randint(0, len(preposition_list)-1)])
        thermal_print_ln('the ' + place_list[random.randint(0, len(place_list)-1)])
        thermal_print_ln(" ")
        thermal_print_ln(" ")
        largeFontOff()        
    microbit.sleep(300)