磁编码器MT6816驱动代码
时间: 2023-07-31 18:05:51 浏览: 244
MT6816_STM32F030_磁编码器程序编写_MT6816stm32_MT6816_mt6816代码_源码.zip
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以下是一个简单的C++磁编码器MT6816驱动程序示例:
```cpp
#include <iostream>
#include <wiringPi.h>
#define ENCODER_PIN_A 2
#define ENCODER_PIN_B 3
int main() {
wiringPiSetup();
pinMode(ENCODER_PIN_A, INPUT);
pinMode(ENCODER_PIN_B, INPUT);
long position = 0;
int lastEncoded = 0;
int encoded = 0;
int a = 0;
int b = 0;
while (true) {
a = digitalRead(ENCODER_PIN_A);
b = digitalRead(ENCODER_PIN_B);
encoded = (a << 1) | b;
if ((lastEncoded == 0b00 && encoded == 0b01) || (lastEncoded == 0b01 && encoded == 0b11) || (lastEncoded == 0b11 && encoded == 0b10) || (lastEncoded == 0b10 && encoded == 0b00)) {
position++;
}
else if ((lastEncoded == 0b00 && encoded == 0b10) || (lastEncoded == 0b10 && encoded == 0b11) || (lastEncoded == 0b11 && encoded == 0b01) || (lastEncoded == 0b01 && encoded == 0b00)) {
position--;
}
lastEncoded = encoded;
std::cout << "Current position: " << position << std::endl;
}
return 0;
}
```
这个程序使用了WiringPi库来读取GPIO端口的状态,并通过位运算计算出编码器的位置值。需要注意的是,这个程序只适用于MT6816磁编码器的A/B相输出信号为2个GPIO端口的情况,如果MT6816的输出信号为其他接口,程序需要进行相应的修改。此外,在实际使用中,还需要根据具体的控制器和应用场景进行适当的调整。
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