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Update D13 to LED, add PWM example.

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This commit is contained in:
Kattni Rembor 2021-10-28 13:30:51 -04:00
parent a8b69f2852
commit a63af1d04a
8 changed files with 34 additions and 20 deletions
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4
docs/design_guide.rst
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@ -99,7 +99,7 @@ For example, a user can then use ``deinit()```::
import board import board
import time import time
led = digitalio.DigitalInOut(board.D13) led = digitalio.DigitalInOut(board.LED)
led.direction = digitalio.Direction.OUTPUT led.direction = digitalio.Direction.OUTPUT
for i in range(10): for i in range(10):
@ -119,7 +119,7 @@ Alternatively, using a ``with`` statement ensures that the hardware is deinitial
import board import board
import time import time
with digitalio.DigitalInOut(board.D13) as led: with digitalio.DigitalInOut(board.LED) as led:
led.direction = digitalio.Direction.OUTPUT led.direction = digitalio.Direction.OUTPUT
for i in range(10): for i in range(10):

10
shared-bindings/digitalio/__init__.c
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@ -50,9 +50,9 @@
//| For example:: //| For example::
//| //|
//| import digitalio //| import digitalio
//| from board import * //| import board
//| //|
//| pin = digitalio.DigitalInOut(D13) //| pin = digitalio.DigitalInOut(board.LED)
//| print(pin.value) //| print(pin.value)
//| //|
//| This example will initialize the the device, read //| This example will initialize the the device, read
@ -61,11 +61,11 @@
//| //|
//| Here is blinky:: //| Here is blinky::
//| //|
//| import digitalio
//| from board import *
//| import time //| import time
//| import digitalio
//| import board
//| //|
//| led = digitalio.DigitalInOut(D13) //| led = digitalio.DigitalInOut(board.LED)
//| led.direction = digitalio.Direction.OUTPUT //| led.direction = digitalio.Direction.OUTPUT
//| while True: //| while True:
//| led.value = True //| led.value = True

6
shared-bindings/frequencyio/__init__.c
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@ -46,11 +46,11 @@
//| //|
//| For example:: //| For example::
//| //|
//| import frequencyio
//| import time //| import time
//| from board import * //| import frequencyio
//| import board
//| //|
//| frequency = frequencyio.FrequencyIn(D13) //| frequency = frequencyio.FrequencyIn(board.D11)
//| frequency.capture_period = 15 //| frequency.capture_period = 15
//| time.sleep(0.1) //| time.sleep(0.1)
//| //|

2
shared-bindings/pulseio/PulseOut.c
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@ -59,7 +59,7 @@
//| import board //| import board
//| //|
//| # 50% duty cycle at 38kHz. //| # 50% duty cycle at 38kHz.
//| pwm = pulseio.PulseOut(board.D13, frequency=38000, duty_cycle=32768) //| pwm = pulseio.PulseOut(board.LED, frequency=38000, duty_cycle=32768)
//| # on off on off on //| # on off on off on
//| pulses = array.array('H', [65000, 1000, 65000, 65000, 1000]) //| pulses = array.array('H', [65000, 1000, 65000, 65000, 1000])
//| pulse.send(pulses) //| pulse.send(pulses)

24
shared-bindings/pwmio/PWMOut.c
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@ -86,13 +86,29 @@ void common_hal_pwmio_pwmout_raise_error(pwmout_result_t result) {
//| :param int frequency: The target frequency in Hertz (32-bit) //| :param int frequency: The target frequency in Hertz (32-bit)
//| :param bool variable_frequency: True if the frequency will change over time //| :param bool variable_frequency: True if the frequency will change over time
//| //|
//| Simple LED fade:: //|
//| Simple LED on::
//| //|
//| import pwmio //| import pwmio
//| import board //| import board
//| //|
//| pwm = pwmio.PWMOut(board.D13) # output on D13 //| pwm = pwmio.PWMOut(board.LED)
//| pwm.duty_cycle = 2 ** 15 # Cycles the pin with 50% duty cycle (half of 2 ** 16) at the default 500hz //|
//| while True:
//| pwm.duty_cycle = 2 ** 15 # Cycles the pin with 50% duty cycle (half of 2 ** 16) at the default 500hz
//|
//| PWM LED fade::
//|
//| import pwmio
//| import board
//|
//| pwm = pwmio.PWMOut(board.LED) # output on LED pin with default of 500Hz
//|
//| while True:
//| for cycle in range(0, 65535): # Cycles through the full PWM range from 0 to 65535
//| pwm.duty_cycle = cycle # Cycles the LED pin duty cycle through the range of values
//| for cycle in range(65534, 0, -1): # Cycles through the PWM range backwards from 65534 to 0
//| pwm.duty_cycle = cycle # Cycles the LED pin duty cycle through the range of values
//| //|
//| PWM at specific frequency (servos and motors):: //| PWM at specific frequency (servos and motors)::
//| //|
@ -100,7 +116,7 @@ void common_hal_pwmio_pwmout_raise_error(pwmout_result_t result) {
//| import board //| import board
//| //|
//| pwm = pwmio.PWMOut(board.D13, frequency=50) //| pwm = pwmio.PWMOut(board.D13, frequency=50)
//| pwm.duty_cycle = 2 ** 15 # Cycles the pin with 50% duty cycle (half of 2 ** 16) at 50hz //| pwm.duty_cycle = 2 ** 15 # Cycles the pin with 50% duty cycle (half of 2 ** 16) at 50hz
//| //|
//| Variable frequency (usually tones):: //| Variable frequency (usually tones)::
//| //|

6
shared-bindings/pwmio/__init__.c
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@ -45,11 +45,11 @@
//| //|
//| For example:: //| For example::
//| //|
//| import pwmio
//| import time //| import time
//| from board import * //| import pwmio
//| import board
//| //|
//| pwm = pwmio.PWMOut(D13) //| pwm = pwmio.PWMOut(board.LED)
//| pwm.duty_cycle = 2 ** 15 //| pwm.duty_cycle = 2 ** 15
//| time.sleep(0.1) //| time.sleep(0.1)
//| //|

1
tests/circuitpython-manual/audiopwmio/wavefile_pause_resume.py
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@ -3,7 +3,6 @@ import audiopwmio
import board import board
import digitalio import digitalio
import time import time
import math
import os import os
trigger = digitalio.DigitalInOut(board.D4) trigger = digitalio.DigitalInOut(board.D4)

1
tests/circuitpython-manual/audiopwmio/wavefile_playback.py
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@ -3,7 +3,6 @@ import audiopwmio
import board import board
import digitalio import digitalio
import time import time
import math
import os import os
trigger = digitalio.DigitalInOut(board.D4) trigger = digitalio.DigitalInOut(board.D4)