stm32c8t6的PA0端口驱动舵机的标准库函数程序
时间: 2023-06-14 14:04:11 浏览: 189
以下是使用stm32c8t6的PA0端口驱动舵机的标准库函数程序示例:
1. 定义PA0端口为输出模式:
```c
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
```
2. 配置舵机的占空比和周期:
```c
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_TimeBaseStructure.TIM_Period = 19999; // 20ms周期
TIM_TimeBaseStructure.TIM_Prescaler = 359; // 预分频器
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
TIM_OCStructInit(&TIM_OCInitStructure);
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = 1500; // 1.5ms占空比
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
TIM_OC3Init(TIM3, &TIM_OCInitStructure);
```
3. 运行舵机:
```c
TIM_Cmd(TIM3, ENABLE);
```
4. 控制舵机转动:
```c
TIM_SetCompare3(TIM3, 2000); // 舵机转到最大角度
TIM_SetCompare3(TIM3, 1000); // 舵机转到最小角度
TIM_SetCompare3(TIM3, 1500); // 舵机回到中间位置
```
以上是一个简单的使用PA0端口驱动舵机的标准库函数程序示例。需要注意的是,具体的占空比和周期需要根据舵机的型号和要求来进行调整。
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