circuitpython/ports/mimxrt/hal/pwm_backport.h

52 lines
1.9 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP *
* Copyright (c) 2021 Robert Hammelrath
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#ifndef PWM_BACKPORT_H
#define PWM_BACKPORT_H
#include "fsl_pwm.h"
#ifdef FSL_FEATURE_SOC_TMR_COUNT
#include "fsl_qtmr.h"
#endif
typedef struct _pwm_signal_param_u16
{
pwm_channels_t pwmChannel; // PWM channel being configured; PWM A or PWM B
uint16_t dutyCycle_u16; // PWM pulse width, value should be between 0 to 65536
uint16_t Center_u16; // Center of the pulse, value should be between 0 to 65536
pwm_level_select_t level; // PWM output active level select */
uint16_t deadtimeValue; // The deadtime value; only used if channel pair is operating in complementary mode
} pwm_signal_param_u16_t;
typedef enum _pwm_fault_channels {
kPWM_faultchannel_0 = 0U,
kPWM_faultchannel_1
} pwm_fault_channels_t;
#define PWM_FULL_SCALE (65536UL)
void PWM_UpdatePwmDutycycle_u16(PWM_Type *base, pwm_submodule_t subModule,
pwm_channels_t pwmSignal, uint16_t dutyCycle, uint16_t center);
void PWM_SetupPwm_u16(PWM_Type *base, pwm_submodule_t subModule, pwm_signal_param_u16_t *chnlParams,
uint32_t pwmFreq_Hz, uint32_t srcClock_Hz, bool output_enable);
void PWM_SetupPwmx_u16(PWM_Type *base, pwm_submodule_t subModule,
uint32_t pwmFreq_Hz, uint16_t duty_cycle, uint8_t invert, uint32_t srcClock_Hz);
void PWM_SetupFaultDisableMap(PWM_Type *base, pwm_submodule_t subModule,
pwm_channels_t pwmChannel, pwm_fault_channels_t pwm_fault_channels, uint16_t value);
#ifdef FSL_FEATURE_SOC_TMR_COUNT
status_t QTMR_SetupPwm_u16(TMR_Type *base, qtmr_channel_selection_t channel, uint32_t pwmFreqHz,
uint16_t dutyCycleU16, bool outputPolarity, uint32_t srcClock_Hz, bool is_init);
#endif // FSL_FEATURE_SOC_TMR_COUNT
#endif // PWM_BACKPORT_H