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face-tracking-pan-tilt-camera's Issues

hex烧录进板子后 舵机疯狂抖动 并且COM口掉了

hex烧录进板子后 舵机疯狂抖动 并且COM口掉了 过一会串口连上 停止抖动 尝试运行py脚本获得如下报错,该报错在未识别人脸时正常,但是一旦识别出人脸就弹出改报错

ERROR CODE
image

ps:抖动的时候LED灯疯狂闪烁,知道电脑弹出连接设备的声音 大概是串口连上了就匀速闪烁了,测试了一下只要不将舵机信号线连接到PWM输出口就不会掉COM口,插上去立马就开始疯狂抖动

1.用的板子是STM32f103RCT6 连线如下 俩舵机MG90s接入5v gnd 黄色信号线接入输出PWM的PA6 PA7

image

2.看了眼USART的位置也是PA9 PA10

image

3.修改了LED_init 因为板子只有一个灯 接的PA8

4.按键也只初始化了一个wakeup PA0

5.Tim3的初始化也没改

查了参考手册发现TIM3和Keil里的代码设置的一样也是PA6 PA7

image

不过没看懂为啥代码里对TIM3的初始化这里使能的是GPIOB

image

其余均无修改,py发送坐标的方式也是 # 和 $ 没有改动serial 除了里面的闪烁灯我改为了PA8 只有这一个灯

请求指点,PID那块我大概理解了 是为了消除误差 主要是对电脑PYTHON 通过串口发送信息到STM32以及STM32识别这里有点小疑问

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