DISCLAIMER:
MicroPython isn't Python, and Pico isn't a Pi...
Download Thonny
https://github.com/thonny/thonny/releases/tag/v4.0.1
Settingkan sbb:
Ketik Code Lampu Kelap Kelip sbb:
from machine import Pin, Timer
led = Pin(26, Pin.OUT)
tim = Timer()
def tick(timer):
global led
led.toggle()
tim.init(freq=2.5, mode=Timer.PERIODIC, callback=tick)
Atau sbb dengan hasil yang sama
from machine import Pin
import utime
led = Pin(26,Pin.OUT)
delay = 0.25
while True:
led.high()
utime.sleep(delay)
led.low()
utime.sleep(delay)
Atau sbb dengan hasil yang sama
Sebagai Berikut adalah code Default Raspi Pico
from machine import Pin, Timer
led = Pin(26, Pin.OUT)
timer = Timer()
def blink(timer):
led.toggle()
timer.init(freq=2.5, mode=Timer.PERIODIC, callback=blink)
# Test and Demo code for Maker Pi Pico
# Reference: https://my.cytron.io/p-maker-pi-pico
# Installing CircuitPython - https://learn.adafruit.com/getting-started-with-raspberry-pi-pico-circuitpython/circuitpython
# Audio track credit: jeremy80 - L-R Tone Level Test @ -6 db max w/3 Sec. Countdown Leader
# Audio track reference: https://freesound.org/people/jeremy80/sounds/230639/
import board
import digitalio
import time
import pwmio
from neopixel_write import neopixel_write
import busio
import sdcardio
import storage
import audiocore
import audiopwmio
import busio as io
import adafruit_ssd1306
tones = {
'0': 1,
'B0': 31,
'C1': 33,
'CS1': 35,
'D1': 37,
'DS1': 39,
'E1': 41,
'F1': 44,
'FS1': 46,
'G1': 49,
'GS1': 52,
'A1': 55,
'AS1': 58,
'B1': 62,
'C2': 65,
'CS2': 69,
'D2': 73,
'DS2': 78,
'E2': 82,
'F2': 87,
'FS2': 93,
'G2': 98,
'GS2': 104,
'A2': 110,
'AS2': 117,
'B2': 123,
'C3': 131,
'CS3': 139,
'D3': 147,
'DS3': 156,
'E3': 165,
'F3': 175,
'FS3': 185,
'G3': 196,
'GS3': 208,
'A3': 220,
'AS3': 233,
'B3': 247,
'C4': 262,
'CS4': 277,
'D4': 294,
'DS4': 311,
'E4': 330,
'F4': 349,
'FS4': 370,
'G4': 392,
'GS4': 415,
'A4': 440,
'AS4': 466,
'B4': 494,
'C5': 523,
'CS5': 554,
'D5': 587,
'DS5': 622,
'E5': 659,
'F5': 698,
'FS5': 740,
'G5': 784,
'GS5': 831,
'A5': 880,
'AS5': 932,
'B5': 988,
'C6': 1047,
'CS6': 1109,
'D6': 1175,
'DS6': 1245,
'E6': 1319,
'F6': 1397,
'FS6': 1480,
'G6': 1568,
'GS6': 1661,
'A6': 1760,
'AS6': 1865,
'B6': 1976,
'C7': 2093,
'CS7': 2217,
'D7': 2349,
'DS7': 2489,
'E7': 2637,
'F7': 2794,
'FS7': 2960,
'G7': 3136,
'GS7': 3322,
'A7': 3520,
'AS7': 3729,
'B7': 3951,
'C8': 4186,
'CS8': 4435,
'D8': 4699,
'DS8': 4978,
}
# Initialize led pins
LED = []
pins = [board.GP0,board.GP1,board.GP2,board.GP3,board.GP4,board.GP5,board.GP6,board.GP7,board.GP8,board.GP9,board.GP10,board.GP11,board.GP12,board.GP13,board.GP14,board.GP15,board.GP16,board.GP17,board.GP19,board.GP20,board.GP21,board.GP22,board.GP25,board.GP26,board.GP27,board.GP28]
for pin in pins:
digout = digitalio.DigitalInOut(pin)
digout.direction = digitalio.Direction.OUTPUT
LED.append(digout)
# RGB Pin
RGB = LED[25]
# RGB Colors
pixel_off = bytearray([0, 0, 0])
pixel_red = bytearray([0, 10, 0])
pixel_green = bytearray([10, 0, 0])
pixel_blue = bytearray([0, 0, 10])
pixel_white = bytearray([10,10,10])
# Initialize buzzer
buzzer = pwmio.PWMOut(board.GP18, variable_frequency=True)
# Melody
mario = ['E7', 'E7', '0', 'E7', '0', 'C7', 'E7', '0', 'G7', '0', '0', '0', 'G6', '0', '0', '0', 'C7', '0','0', 'G6', '0', '0', 'E6', '0', '0', 'A6', '0','B6', '0', 'AS6', 'A6', '0', 'G6', 'E7', '0', 'G7', 'A7', '0', 'F7', 'G7', '0', 'E7', '0','C7', 'D7', 'B6', '0', '0','0','0','0']
up = ['E4','D4','C4']
# Global variables
button1_pressed = False
button2_pressed = False
button3_pressed = False
button_pressed_flag = True
I2C = False
delay1 = 0.15
# monitor butten presses
def waiting_for_button(duration):
global button1_pressed
global button2_pressed
global button3_pressed
end = time.monotonic() + duration
while time.monotonic() < end:
if button1.value == False:
button1_pressed = True
if button2.value == False:
button2_pressed = True
if button3.value == False:
button3_pressed = True
# Startup code
def startup():
initialize_OLED()
if I2C:
oled.text('STARTUP CODE',30,10, 1)
oled.text('RUNNING LIGHT',27,30, 1)
oled.text('WITH MARIO MELODY',14,50, 1)
deinitialize_OLED()
x=0
for i in range(26):
play_mario_tone(i)
if i != 22: # Exclude GP25
LED[i].value = True
time.sleep(0.15)
LED[i].value = False
else:
time.sleep(0.15)
for i in range(24,-1,-1):
play_mario_tone(i+x)
x +=2
if i != 22: # Exclude GP25
if i >= 0:
LED[i].value = True
time.sleep(0.15)
LED[i].value = False
else:
time.sleep(0.15)
else:
time.sleep(0.15)
#Deinitialize LED pins
LED[19].deinit()
LED[21].deinit()
LED[20].deinit()
#Initialize button pins
global button1
global button2
global button3
button1 = digitalio.DigitalInOut(board.GP20)
button1.switch_to_input(pull=digitalio.Pull.UP)
button2 = digitalio.DigitalInOut(board.GP21)
button2.switch_to_input(pull=digitalio.Pull.UP)
button3 = digitalio.DigitalInOut(board.GP22)
button3.switch_to_input(pull=digitalio.Pull.UP)
initialize_OLED()
if I2C:
oled.text('GP20: CHECK LED',3,13, 1)
oled.text('GP21: CHECK AUDIO',3,23, 1)
oled.text('GP21: CHECK RGB',3,33, 1)
oled.text('GP22: CHECK SD CARD',3,43, 1)
oled.text('GP22: DEMO CODE',3,53, 1)
deinitialize_OLED()
# Check leds
def button1_handler():
#Deinitialize button pins
global button1
global button2
global button3
button1.deinit()
button2.deinit()
button3.deinit()
#Initialize LED pins
LED[19] = digitalio.DigitalInOut(board.GP20)
LED[19].direction = digitalio.Direction.OUTPUT
LED[20] = digitalio.DigitalInOut(board.GP21)
LED[20].direction = digitalio.Direction.OUTPUT
LED[21] = digitalio.DigitalInOut(board.GP22)
LED[21].direction = digitalio.Direction.OUTPUT
global button_pressed_flag
if button_pressed_flag:
initialize_OLED()
if I2C:
oled.text('GP20 PRESSED',30,10, 1)
oled.text('ALL LEDs TURNS ON',10,35, 1)
deinitialize_OLED()
for i in range(26):
LED[i].value = True
button_pressed_flag = False
elif not button_pressed_flag:
initialize_OLED()
if I2C:
oled.text('GP20 PRESSED',30,10, 1)
oled.text('ALL LEDs TURNS OFF',10,35, 1)
deinitialize_OLED()
for i in range(26):
LED[i].value = False
button_pressed_flag = True
for i in up:
buzzer.frequency = tones[i]
buzzer.duty_cycle = 19660
time.sleep(0.15)
buzzer.duty_cycle = 0
#Deinitialize LED pins
LED[19].deinit()
LED[20].deinit()
LED[21].deinit()
#Initialize button pins
button1 = digitalio.DigitalInOut(board.GP20)
button1.switch_to_input(pull=digitalio.Pull.UP)
button2 = digitalio.DigitalInOut(board.GP21)
button2.switch_to_input(pull=digitalio.Pull.UP)
button3 = digitalio.DigitalInOut(board.GP22)
button3.switch_to_input(pull=digitalio.Pull.UP)
time.sleep(0.5)
# Check audio and RGB
def button2_handler():
global buzzer
buzzer.deinit()
LED[18].deinit()
LR_FILENAME = "L-R.wav"
data = open(LR_FILENAME, "rb")
wav = audiocore.WaveFile(data)
dac = audiopwmio.PWMAudioOut(board.GP18,right_channel=board.GP19)
initialize_OLED()
if I2C:
oled.text('GP21 PRESSED',30,10, 1)
oled.text('CHECK AUDIO',32,25, 1)
oled.text('LEFT RIGHT CHANNEL',10,40, 1)
deinitialize_OLED()
dac.play(wav)
time.sleep(3)
dac.stop()
initialize_OLED()
if I2C:
oled.text('GP21 PRESSED',30,20, 1)
oled.text('CHECK RGB',37,40, 1)
deinitialize_OLED()
RGB.value = False
neopixel_write(RGB, pixel_red)
time.sleep(0.5)
neopixel_write(RGB, pixel_green)
time.sleep(0.5)
neopixel_write(RGB, pixel_blue)
time.sleep(0.5)
neopixel_write(RGB, pixel_white)
time.sleep(0.5)
neopixel_write(RGB, pixel_off)
time.sleep(0.5)
dac.deinit()
LED[18] = digitalio.DigitalInOut(board.GP19)
LED[18].direction = digitalio.Direction.OUTPUT
buzzer = pwmio.PWMOut(board.GP18, variable_frequency=True)
# pass
# Check SD Card and demo code
def button3_handler():
check_SDCARD()
RGB.value = False
for i in range(0,10,1):
neopixel_write(RGB,bytearray([i,0,0]))
play_mario_tone(i)
time.sleep(delay1)
for i in range(0,10,1):
neopixel_write(RGB,bytearray([10-i,i,0]))
play_mario_tone(i+10)
time.sleep(delay1)
for i in range(0,10,1):
neopixel_write(RGB,bytearray([0,10-i,i]))
play_mario_tone(i+20)
time.sleep(delay1)
for i in range(0,10,1):
neopixel_write(RGB,bytearray([i,i,10]))
play_mario_tone(i+30)
time.sleep(delay1)
for i in range(0,8,1):
neopixel_write(RGB,bytearray([8-i,8-i,8-i]))
play_mario_tone(i+40)
time.sleep(delay1)
# pass
def play_mario_tone(notes):
if mario[notes] == '0':
buzzer.duty_cycle = 0
else:
buzzer.frequency = tones[mario[notes]]
buzzer.duty_cycle = 19660
def initialize_OLED():
global I2C
try:
LED[6].deinit()
LED[7].deinit()
global i2c
i2c = io.I2C(board.GP7, board.GP6)
global oled
oled = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c)
oled.fill(0)
I2C = True
except:
LED[6] = digitalio.DigitalInOut(board.GP6)
LED[6].direction = digitalio.Direction.OUTPUT
LED[7] = digitalio.DigitalInOut(board.GP7)
LED[7].direction = digitalio.Direction.OUTPUT
I2C = False
def deinitialize_OLED():
global oled
oled.show()
i2c.deinit()
LED[6] = digitalio.DigitalInOut(board.GP6)
LED[6].direction = digitalio.Direction.OUTPUT
LED[7] = digitalio.DigitalInOut(board.GP7)
LED[7].direction = digitalio.Direction.OUTPUT
def check_SDCARD():
initialize_OLED()
LED[10].deinit()
LED[11].deinit()
LED[12].deinit()
LED[15].deinit()
spi = busio.SPI(board.GP10, MOSI=board.GP11, MISO=board.GP12)
cs = board.GP15
try:
global sd
sd = sdcardio.SDCard(spi, cs)
vfs = storage.VfsFat(sd)
storage.mount(vfs, '/sd')
with open("/sd/pico.txt", "w") as file:
file.write("1. Hello, world!\r\n")
with open("/sd/pico.txt", "r") as file:
for line in file:
if line == "1. Hello, world!\r\n":
for i in up:
buzzer.frequency = tones[i]
buzzer.duty_cycle = 19660
time.sleep(0.15)
buzzer.duty_cycle = 0
if I2C:
oled.text('GP22 PRESSED',30,20, 1)
oled.text('SD CARD TEST: PASS',7,40, 1)
else:
if I2C:
oled.text('GP22 PRESSED',30,10, 1)
oled.text('SD CARD TEST: FAILED',5,25, 1)
oled.text('WRONG DATA',33,40, 1)
buzzer.frequency = 1661
buzzer.duty_cycle = 19660
time.sleep(2)
buzzer.duty_cycle = 0
time.sleep(2)
storage.umount(vfs)
spi.deinit()
sd.deinit()
except:
if I2C:
oled.text('GP22 PRESSED',30,10, 1)
oled.text('SD CARD TEST: FAILED',5,25,1)
oled.text('NO SD CARD',33,40,1)
buzzer.frequency = 1661
buzzer.duty_cycle = 19660
time.sleep(2)
buzzer.duty_cycle = 0
spi.deinit()
if I2C:
deinitialize_OLED()
LED[10] = digitalio.DigitalInOut(board.GP10)
LED[10].direction = digitalio.Direction.OUTPUT
LED[11] = digitalio.DigitalInOut(board.GP11)
LED[11].direction = digitalio.Direction.OUTPUT
LED[12] = digitalio.DigitalInOut(board.GP12)
LED[12].direction = digitalio.Direction.OUTPUT
LED[15] = digitalio.DigitalInOut(board.GP15)
LED[15].direction = digitalio.Direction.OUTPUT
startup()
while True:
waiting_for_button(1)
if button1_pressed:
button1_handler()
waiting_for_button(0.2)
button1_pressed = False
elif button2_pressed:
button2_handler()
waiting_for_button(0.2)
button2_pressed = False
elif button3_pressed:
button3_handler()
waiting_for_button(0.2)
button3_pressed = False
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