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- #ifndef __bsp_pwm_h__
- #define __bsp_pwm_h__
- #include <stdbool.h>
- #include <stdint.h>
- #include <string.h>
- #include "sdk_common.h"
- #include "SEGGER_RTT.h"
- #include "usr_config.h"
- #include "nrf_drv_pwm.h"
- /**************************************
- DEFINECTION
- */
- #define PWM_SEQUENCE_VALUES_LEN(seq_values) NRF_PWM_VALUES_LENGTH(seq_values) //SEQUENCE_VALUES_LEN
- #define PWM_FLAG_STOP NRF_DRV_PWM_FLAG_STOP //PLAYBACK_MODE
- #define PWM_FLAG_LOOP NRF_DRV_PWM_FLAG_LOOP //PLAYBACK_MODE
- #define PWM_FLAG_SIGNAL_END_SEQ0 NRF_DRV_PWM_FLAG_SIGNAL_END_SEQ0 //PLAYBACK_MODE
- #define PWM_FLAG_SIGNAL_END_SEQ1 NRF_DRV_PWM_FLAG_SIGNAL_END_SEQ1 //PLAYBACK_MODE
- #define PWM_FLAG_NO_EVT_FINISHED NRF_DRV_PWM_FLAG_NO_EVT_FINISHED //PLAYBACK_MODE
- #define PWM_FLAG_START_VIA_TASK NRF_DRV_PWM_FLAG_START_VIA_TASK //PLAYBACK_MODE
- /**************************************
- STRUCTION
- */
- typedef struct
- {
- uint16_t channel_0; ///< Duty cycle value for channel 0.
- uint16_t channel_1; ///< Duty cycle value for channel 1.
- uint16_t channel_2; ///< Duty cycle value for channel 2.
- uint16_t channel_3; ///< Duty cycle value for channel 3.
- } pwm_values_individual_t;
- typedef uint16_t pwm_values_common_t;
- /**************************************
- API
- */
- //设置PWM的引脚通道
- void SetPwm_Channels(uint32_t channel_1, uint32_t channel_2, uint32_t channel_3, uint32_t channel_4);
- //设置PWM的中断回调函数
- void SetPwm_IRQ(nrfx_pwm_handler_t pwm_callback, uint8_t irq_priority);
- //设置PWM的基础时钟
- void SetPwm_BaseClock(nrf_pwm_clk_t clock);
- //设置PWM的计数模式
- void SetPwm_CountMode(nrf_pwm_mode_t count_mode);
- //设置PWM的最大的占空比阈值
- void SetPwm_DutyCycleThreshold(uint16_t Max_duty_cycle_value);
- //设置PWM的序列的推进模式,定义下一个cycle的进行方式。
- void SetPwm_SequenceStepMode(nrf_pwm_dec_step_t step_mode);
- //PWM 的初始化
- void Pwm_Initialize(void);
- //PWM 的未初始化
- void Pwm_UnInitialize(void);
- //设置一个独立通道序列
- nrf_pwm_sequence_t* Pwm_SetIndSequence(pwm_values_individual_t *p_seqValues, uint16_t seqValues_length, uint32_t seqValues_repeats, uint32_t seqValues_end_delay);
- //设置一个共用通道序列
- nrf_pwm_sequence_t* Pwm_SetComSequence(pwm_values_common_t *p_seqValues, uint16_t seqValues_length, uint32_t seqValues_repeats, uint32_t seqValues_end_delay);
- //设置PWM的指定单个序列的播放
- uint32_t SetSimplePwmPlayBack(nrf_pwm_sequence_t *pwm_sequence, uint16_t playback_count, uint32_t flags);
- #endif
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