73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
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* This file is part of the Micro Python 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) 2016 Glenn Ruben Bakke
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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 HAL_PWM_H__
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#define HAL_PWM_H__
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#include <stdint.h>
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#include "nrf.h"
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// TODO: nrf51 series need Soft PWM. Not part of HAL.
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#if NRF52
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#define PWM0 ((NRF_PWM_Type *)NRF_PWM0_BASE)
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#define PWM0_IRQ_NUM PWM1_IRQn
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#define PWM1 ((NRF_PWM_Type *)NRF_PWM1_BASE)
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#define PWM1_IRQ_NUM PWM1_IRQn
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#define PWM2 ((NRF_PWM_Type *)NRF_PWM2_BASE)
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#define PWM2_IRQ_NUM PWM2_IRQn
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#if 0 // TODO: nrf52840
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#define PWM3 ((NRF_PWM_Type *)NRF_PWM3_BASE)
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#define PWM3_IRQ_NUM PWM3_IRQn
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#endif
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#else
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#error "Device not supported."
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#endif
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typedef struct {
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uint8_t pwm_pin;
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} hal_pwm_init_t;
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/**
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* @brief PWM handle Structure definition
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*/
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typedef struct __PWM_HandleTypeDef
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{
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NRF_PWM_Type *instance; /* PWM registers base address */
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hal_pwm_init_t init; /* PWM initialization parameters */
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} PWM_HandleTypeDef;
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void hal_pwm_init(NRF_PWM_Type * p_instance, hal_pwm_init_t const * p_pwm_init);
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#endif // HAL_PWM_H__
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