micropython/ports/nrf/examples/nrf52_servo.py
Glenn Ruben Bakke 864f671744 nrf: Remove port member from Pin object
In order to be able to support GPIO1 port on nrf52840
the port has been removed from the Pin object.

All pins on port1 will now be incrementally on top of
the pin numbers for gpio0. Hence, Pin 1.00 will become
P32, and Pin 1.15 will become P47.

The modification is done to address the new gpio HAL
interface in nrfx, which resolves the port to be
configured base on a multiple of 32.

The patch also affects the existing devices which does
not have a second GPIO port in the way that the
port indication A and B is removed from Pin generation.
This means that the port which was earlier addressed
as PA0 is now P0, and PA31 is P31.

Also, this patch removes the gpio member which earlier
pointed to the perihperal GPIO base address. This is not
needed anymore, hence removed.
2018-07-18 17:12:26 +10:00

51 lines
2.0 KiB
Python

# This file is part of the MicroPython project, http://micropython.org/
#
# The MIT License (MIT)
#
# Copyright (c) 2017 Glenn Ruben Bakke
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE
import time
from machine import PWM, Pin
class Servo():
def __init__(self, pin_name=""):
if pin_name:
self.pin = Pin(pin_name, mode=Pin.OUT, pull=Pin.PULL_DOWN)
else:
self.pin = Pin("P22", mode=Pin.OUT, pull=Pin.PULL_DOWN)
def left(self):
p = PWM(0, self.pin, freq=PWM.FREQ_125KHZ, pulse_width=105, period=2500, mode=PWM.MODE_HIGH_LOW)
p.init()
time.sleep_ms(200)
p.deinit()
def center(self):
p = PWM(0, self.pin, freq=PWM.FREQ_125KHZ, pulse_width=188, period=2500, mode=PWM.MODE_HIGH_LOW)
p.init()
time.sleep_ms(200)
p.deinit()
def right(self):
p = PWM(0, self.pin, freq=PWM.FREQ_125KHZ, pulse_width=275, period=2500, mode=PWM.MODE_HIGH_LOW)
p.init()
time.sleep_ms(200)
p.deinit()