97 lines
1.9 KiB
C++
97 lines
1.9 KiB
C++
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/*
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* File name: encoder.cpp
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* Author: JRNitre
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* Version: MASVersion.0.0.0b
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* Date: 2024-05-10
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*
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* Description:
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* 旋转编码器驱动程序.
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*/
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// 头文件
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#include "encoder.h"
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// 全局变量
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long encoderLastToggled = 0;
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ESP32Encoder encoder;
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/*
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* Function: encoder_init
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* Description:
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* 初始化旋转编码器.
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*
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* Input: void
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* Output: void
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* Return: BasicEncoder 返回创建的旋转编码器对象
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*
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* Other: nullptr
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*/
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void encoder_init(){
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// 设置工作模式
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ESP32Encoder::useInternalWeakPullResistors = puType::up;
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// 设置编码器工作引脚
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encoder.attachHalfQuad(ENCODER_DT, ENCODER_CLK);
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// 设置计数器数值
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encoder.setCount(0);
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// 清除计数器
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encoder.clearCount();
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}
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/*
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* Function: encoder_getCount
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* Description:
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* 返回当前计数器的数值.
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*
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* Input: void
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* Output: void
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* Return: long 返回当前计数器的数值
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*
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* Other: nullptr
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*/
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long encoder_getCount(){
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return encoder.getCount();
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}
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/*
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* Function: encoder_getKeyNum
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* Description:
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* 查询当前键值.
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*
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* Input: void
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* Output: void
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* Return: uint8_t 返回当前键值
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*
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* Other:
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* 该旋转编码器有三种状态
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* 1. 顺序旋转
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* 2. 逆序旋转
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* 3. 无旋转
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* 根据约定好的规则进行判断并且返回相应的键值
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*/
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uint8_t encoder_getKeyNum(){
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uint8_t retKey = 0;
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// 判断编码器是否有旋转
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if (encoderLastToggled != encoder_getCount()){
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if (encoderLastToggled > encoder_getCount()){
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retKey = 1;
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}
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if (encoderLastToggled < encoder_getCount()){
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retKey = 2;
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}
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} else {
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retKey = 0;
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}
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// 同步最新的计数器数值
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encoderLastToggled = encoder_getCount();
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// 返回最终的键值
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return retKey;
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}
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