mirror of
https://github.com/Fishwaldo/bl_mcu_sdk.git
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189 lines
No EOL
4.2 KiB
C
189 lines
No EOL
4.2 KiB
C
#ifndef _BFLB_PWM_V1_H
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#define _BFLB_PWM_V2_H
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#include "bflb_core.h"
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/** @addtogroup LHAL
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* @{
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*/
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/** @addtogroup PWM_V1
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* @{
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*/
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/** @defgroup PWM_CHANNEL pwm channel definition
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* @{
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*/
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#define PWM_CH0 0
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#define PWM_CH1 1
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#define PWM_CH2 2
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#define PWM_CH3 3
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#define PWM_CH4 4
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#define PWM_V1_CH_MAX 5
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/**
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* @}
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*/
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/** @defgroup PWM_INTSTS pwm interrupt status definition
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* @{
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*/
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#define PWM_INTSTS_REPT_CH0 (1 << 0)
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#define PWM_INTSTS_REPT_CH1 (1 << 1)
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#define PWM_INTSTS_REPT_CH2 (1 << 2)
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#define PWM_INTSTS_REPT_CH3 (1 << 3)
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#define PWM_INTSTS_REPT_CH4 (1 << 4)
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/**
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* @}
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*/
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/** @defgroup PWM_INTCLR pwm interrupt clear definition
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* @{
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*/
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#define PWM_INTCLR_REPT_CH0 (1 << 8)
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#define PWM_INTCLR_REPT_CH1 (1 << 9)
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#define PWM_INTCLR_REPT_CH2 (1 << 10)
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#define PWM_INTCLR_REPT_CH3 (1 << 11)
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#define PWM_INTCLR_REPT_CH4 (1 << 12)
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/**
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* @}
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*/
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/** @defgroup PWM_CMD pwm feature control cmd definition
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* @{
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*/
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#define PWM_CMD_SET_STOP_MODE (0x01)
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#define PWM_CMD_SET_OUT_INVERT (0x02)
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#define PWM_CMD_SET_SW_MODE (0x03)
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#define PWM_CMD_SET_SW_FORCE_VALUE (0x04)
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#define PWM_CMD_SET_REPT_COUNT (0x05)
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/**
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* @}
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*/
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/** @defgroup PWM_STOP_MODE pwm stop mode definition
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* @{
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*/
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#define PWM_STOP_MODE_ABRUPT 0
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#define PWM_STOP_MODE_GRACEFUL 1
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/**
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* @}
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*/
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/**
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* @brief PWM configuration structure
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*
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* @param clk_source PWM clock source, use @ref BFLB_SYSTEM_CLOCK
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* @param clk_div PWM clock dividor, should be in 1~65535
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* @param period PWM period count, should be in 2~65535
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*/
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struct bflb_pwm_v1_channel_config_s {
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uint8_t clk_source;
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uint16_t clk_div;
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uint16_t period;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Initialize pwm channel.
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*
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* @param [in] dev device handle
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* @param [in] ch channel number
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* @param [in] config pointer to save pwm channel config
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*/
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void bflb_pwm_v1_channel_init(struct bflb_device_s *dev, uint8_t ch, const struct bflb_pwm_v1_channel_config_s *config);
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/**
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* @brief Deinitialize pwm channel.
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*
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* @param [in] dev device handle
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* @param [in] ch channel number
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*/
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void bflb_pwm_v1_channel_deinit(struct bflb_device_s *dev, uint8_t ch);
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/**
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* @brief Start pwm channel output.
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*
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* @param [in] dev device handle
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* @param [in] ch channel number
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*/
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void bflb_pwm_v1_start(struct bflb_device_s *dev, uint8_t ch);
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/**
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* @brief Stop pwm channel output.
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*
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* @param [in] dev device handle
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* @param [in] ch channel number
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*/
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void bflb_pwm_v1_stop(struct bflb_device_s *dev, uint8_t ch);
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/**
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* @brief Set pwm channel period to change pwm frequence. Frequcence(hz) = pwm source clock /div/period.
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*
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* @param [in] dev device handle
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* @param [in] ch channel number
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* @param [in] period pwm period
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*/
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void bflb_pwm_v1_set_period(struct bflb_device_s *dev, uint8_t ch, uint16_t period);
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/**
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* @brief Set pwm dutycycle. Dutycycle(%) = (high_threhold - low_threhold)/period * 100%.
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*
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* @param [in] dev device handle
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* @param [in] ch channel number
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* @param [in] low_threhold pwm low threhold
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* @param [in] high_threhold pwm high threhold
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*/
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void bflb_pwm_v1_channel_set_threshold(struct bflb_device_s *dev, uint8_t ch, uint16_t low_threhold, uint16_t high_threhold);
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/**
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* @brief Enable pwm interrupt.
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*
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* @param [in] dev device handle
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* @param [in] ch channel number
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* @param [in] enable true means enable, otherwise disable.
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*/
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void bflb_pwm_v1_int_enable(struct bflb_device_s *dev, uint8_t ch, bool enable);
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/**
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* @brief Get pwm interrupt status.
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*
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* @param [in] dev device handle
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* @return interrupt status, use @ref PWM_INTSTS
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*/
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uint32_t bflb_pwm_v1_get_intstatus(struct bflb_device_s *dev);
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/**
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* @brief Clear pwm interrupt status.
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*
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* @param [in] dev device handle
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* @param [in] int_clear clear value, use @ref PWM_INTCLR
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*/
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void bflb_pwm_v1_int_clear(struct bflb_device_s *dev, uint32_t int_clear);
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/**
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* @brief
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*
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* @param [in] dev device handle
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* @param [in] ch channel number
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* @param [in] cmd feature command, use @ref PWM_CMD
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* @param [in] arg user data
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* @return A negated errno value on failure.
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*/
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int bflb_pwm_v1_feature_control(struct bflb_device_s *dev, uint8_t ch, int cmd, size_t arg);
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#ifdef __cplusplus
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}
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#endif
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/**
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* @}
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*/
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/**
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* @}
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*/
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#endif |