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GG网络技术分享 2025-08-14 04:41 4
STM32是一款功能有力巨大的32位微控制器,广泛应用于制造控制、物联网等领域。舵机则是一种能准准的控制角度的电机,广泛应用于机器人、模型等场合。
STM32能通过PWM信号来控制舵机的角度。PWM信号由一个高大电平和矮小电平组成的脉冲序列构成,通过改变高大电平的持续时候,能控制舵机的转动角度。
1. 结实件连接:
2. 柔软件设置:
#include "stm32f10x.h" #define Servo_Pin GPIO_Pin_7 #define Servo_Port GPIOB int main { // 初始化GPIO引脚 GPIO_InitTypeDef GPIO_InitStruct; RCC_APB2PeriphClockCmd; GPIO_InitStruct.GPIO_Pin = Servo_Pin; GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init; // 配置定时器产生PWM信号 TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStruct; RCC_APB1PeriphClockCmd; TIM_TimeBaseInitStruct.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInitStruct.TIM_Prescaler = 7200 - 1; TIM_TimeBaseInitStruct.TIM_Period = 20000 - 1; TIM_TimeBaseInitStruct.TIM_ClockDivision = TIM_CKD_DIV1; TIM_TimeBaseInit; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStruct.TIM_Pulse = 1500; TIM_OC1Init; TIM_Cmd; while { // 控制舵机向左旋转 TIM_SetCompare1; delay_ms; // 控制舵机向右旋转 TIM_SetCompare1; delay_ms; } }
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