def step():
global COLOR_INDEX, DOTSTAR
# Get the R,G,B values of the next colour
r, g, b = TinyPICO.dotstar_color_wheel(COLOR_INDEX * 2)
# Set the colour on the DOTSTAR
DOTSTAR[0] = (int(r * 0.6), g, b, 0.4)
# Increase the wheel index
COLOR_INDEX = 0 if COLOR_INDEX > 1000 else COLOR_INDEX + 2
def wheel(br=None):
global COLOR_INDEX
__init_tinyrgb()
br = DOTSTAR_STATE[1] if br is None else br
# Get the R,G,B values of the next colour
r, g, b = TinyPICO.dotstar_color_wheel(COLOR_INDEX * 3)
# Set the colour on the DOTSTAR
DOTSTAR[0] = (r, g, b, br)
# Increase the wheel index
COLOR_INDEX = 0 if COLOR_INDEX > 500 else COLOR_INDEX + 1
return "RGB: {}:{}:{} ({}%)".format(r, g, b, DOTSTAR_STATE[1] * 100)
def do_things():
# Create a colour wheel index int
color_index = 0
# Rainbow colours on the Dotstar
while True:
# Get the R,G,B values of the next colour
r, g, b = TinyPICO.dotstar_color_wheel(color_index)
# Set the colour on the dotstar
dotstar[0] = (r, g, b, 0.5)
# Increase the wheel index
color_index += 1
# Sleep for 20ms so the colour cycle isn't too fast
time.sleep_ms(20)
# Print the internal PICO-D4 temperature in C
print_temp()
# Connect / Maintain internet connection.
do_connect(config)
time.sleep_us(100)
# Get the amount of RAM and if it's correct, flash green 3 times before rainbow, otherwise flash red three times
def check_ram():
gc.collect()
ram = gc.mem_free()
col = (255, 0, 0, 1)
if ram > 4000000:
col = (0, 255, 0, 1)
for i in range(3):
dotstar[0] = col
time.sleep_ms(200)
dotstar[0] = (0, 0, 0, 10)
time.sleep_ms(50)
time.sleep_ms(250)
# Check the RAM
check_ram()
# Rainbow colours on the Dotstar
while True:
# Get the R,G,B values of the next colour
r, g, b = TinyPICO.dotstar_color_wheel(color_index)
# Set the colour on the dotstar
dotstar[0] = (r, g, b, 0.5)
# Increase the wheel index
color_index += 1
# Sleep for 20ms so the colour cycle isn't too fast
time.sleep_ms(20)
from machine import SoftSPI, Pin
import tinypico as TinyPICO
from micropython_dotstar import DotStar
import time, random
# Configure SPI for controlling the DotStar
# Internally we are using software SPI for this as the pins being used are not hardware SPI pins
spi = SoftSPI(sck=Pin(TinyPICO.DOTSTAR_CLK),
mosi=Pin(TinyPICO.DOTSTAR_DATA),
miso=Pin(TinyPICO.SPI_MISO))
# Create a DotStar instance
dotstar = DotStar(spi, 1, brightness=0.5) # Just one DotStar, half brightness
# Turn on the power to the DotStar
TinyPICO.set_dotstar_power(True)
# On and Off times in ms
wait_on = 500
wait_off = 500
# Flash the Dotstar a random colour every second
while True:
# Pick a random colour from the colour wheel
r, g, b = TinyPICO.dotstar_color_wheel(int(random.random() * 255))
# Display the colour for wait_on time then clear for wait_off time
dotstar[0] = (r, g, b, 1)
time.sleep_ms(wait_on)
dotstar[0] = (0, 0, 0, 1)
time.sleep_ms(wait_off)
