61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
//
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// Created by Administrator on 2026/4/22.
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//
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#ifndef RTTHREAD_SERVO_DRIVER_H
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#define RTTHREAD_SERVO_DRIVER_H
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#include <rtdevice.h>
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#include <rtthread.h>
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#include <stdint.h>
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#include <string>
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class ServoDriver
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{
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public:
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struct Config
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{
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std::string pwm_dev_name;
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int pwm_channel;
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rt_uint32_t period_ns;
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rt_uint32_t min_pulse_ns;
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rt_uint32_t max_pulse_ns;
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float min_angle_rad;
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float max_angle_rad;
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};
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public:
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ServoDriver(const Config& cfg, float limit_min_angle_rad, float limit_max_angle_rad);
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~ServoDriver();
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rt_err_t init(float initial_angle_rad, bool enable_after_init = true);
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rt_err_t enable(bool on);
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rt_err_t setAngle(float angle_rad);
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const Config& config() const;
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private:
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rt_err_t enableNoLock(bool on);
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rt_err_t setAngleNoLock(float angle_rad);
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static float clampf(float v, float lo, float hi);
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static rt_uint32_t angleToPulseNs(const Config& cfg, float angle_rad);
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private:
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Config cfg_;
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float limit_min_angle_rad_;
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float limit_max_angle_rad_;
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rt_device_pwm* pwm_dev_;
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rt_uint32_t last_pulse_;
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bool inited_;
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rt_mutex_t mutex_;
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};
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#endif //RTTHREAD_SERVO_DRIVER_H
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