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Add boot button to button test, new LED PWM example

This commit is contained in:
helgibbons 2022-06-21 10:40:58 +01:00
parent 8638e42b7e
commit aacbef56c6
2 changed files with 29 additions and 2 deletions
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14
micropython/examples/tufty2040/button_test.py
View File

@ -14,6 +14,7 @@ button_b = Button(8, invert=False)
button_c = Button(9, invert=False)
button_up = Button(22, invert=False)
button_down = Button(6, invert=False)
button_boot = Button(23, invert=True)
WHITE = display.create_pen(255, 255, 255)
BLACK = display.create_pen(0, 0, 0)
@ -22,6 +23,7 @@ MAGENTA = display.create_pen(255, 0, 255)
YELLOW = display.create_pen(255, 255, 0)
RED = display.create_pen(255, 0, 0)
GREEN = display.create_pen(0, 255, 0)
BLUE = display.create_pen(0, 0, 255)
WIDTH, HEIGHT = display.get_bounds()
@ -54,7 +56,7 @@ while True:
display.set_pen(BLACK)
display.clear()
display.set_pen(YELLOW)
display.text("Button up pressed", 10, 10, WIDTH - 10, 3)
display.text("Button UP pressed", 10, 10, WIDTH - 10, 3)
display.update()
time.sleep(1)
@ -62,7 +64,15 @@ while True:
display.set_pen(BLACK)
display.clear()
display.set_pen(GREEN)
display.text("Button down pressed", 10, 10, WIDTH - 10, 3)
display.text("Button DOWN pressed", 10, 10, WIDTH - 10, 3)
display.update()
time.sleep(1)
elif button_boot.is_pressed:
display.set_pen(BLACK)
display.clear()
display.set_pen(BLUE)
display.text("Button BOOT/USR pressed", 10, 10, WIDTH - 10, 3)
display.update()
time.sleep(1)

17
micropython/examples/tufty2040/led_pwm.py Normal file
View File

@ -0,0 +1,17 @@
# This example shows how you can control the brightness of Tufty's activity LED, using PWM.
# More about PWM / frequency / duty cycle here: https://projects.raspberrypi.org/en/projects/getting-started-with-the-pico/7
from machine import Pin, PWM
from time import sleep
pwm = PWM(Pin(25))
pwm.freq(1000)
while True:
for duty in range(65025):
pwm.duty_u16(duty)
sleep(0.0001)
for duty in range(65025, 0, -1):
pwm.duty_u16(duty)
sleep(0.0001)