6857f98426
This gives us better granularity when implementing new ports because PWMOut is commonly implemented before PulseIn and PulseOut. Fixes #3211
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_NRF_COMMON_HAL_PWMIO_PWMOUT_H
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#define MICROPY_INCLUDED_NRF_COMMON_HAL_PWMIO_PWMOUT_H
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#include "nrfx_pwm.h"
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#include "py/obj.h"
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typedef struct {
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mp_obj_base_t base;
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NRF_PWM_Type* pwm;
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uint8_t pin_number;
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uint8_t channel: 7;
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bool variable_frequency: 1;
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uint16_t duty_cycle;
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uint32_t frequency;
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} pwmio_pwmout_obj_t;
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void pwmout_reset(void);
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NRF_PWM_Type *pwmout_allocate(uint16_t countertop, nrf_pwm_clk_t base_clock,
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bool variable_frequency, int8_t *channel_out, bool *pwm_already_in_use_out,
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IRQn_Type *irq);
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void pwmout_free_channel(NRF_PWM_Type *pwm, int8_t channel);
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#endif // MICROPY_INCLUDED_NRF_COMMON_HAL_PWMIO_PWMOUT_H
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