23 lines
647 B
C
23 lines
647 B
C
#ifndef PCA9685_H
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#define PCA9685_H
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#include "driver/i2c.h"
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#include <stdint.h>
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// 定义寄存器地址
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#define MODE1 0x00
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#define MODE1_RESTART 0x80
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#define MODE1_AI 0x20
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#define MODE1_SLEEP 0x10
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#define MODE1_ALLCALL 0x01
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#define PRESCALE 0xFE
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#define LED0_ON_L 0x06
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#define ALL_LED_OFF_H 0xFD
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void pca9685_init(i2c_port_t i2c_num, uint8_t addr);
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void pca9685_set_pwm_freq(i2c_port_t i2c_num, uint8_t addr, float freq);
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void pca9685_set_angle(i2c_port_t i2c_num, uint8_t addr, uint8_t channel, float angle);
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void pca9685_set_angles(i2c_port_t i2c_num, uint8_t addr,uint8_t start_ch, uint8_t count,const float *angles);
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#endif |