基于STM32进行软件设计舵机控制,舵机顺时针10度,逆时针旋转10度。给定两个键KEY1和KEY2.,KEY1按下舵机顺时针10度,KEY2按下舵机逆时针10度。
时间: 2024-02-24 13:58:28 浏览: 149
舵机的PID控制(两个自由度).zip_PID控制_stm32f103rct6单片机_两自由度舵机_舵机_舵机PID
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好的,这是一个基于STM32的舵机控制的问题。首先,您需要连接舵机到STM32的PWM输出引脚。然后,您需要编写STM32的代码,以便在按下KEY1时顺时针旋转舵机10度,在按下KEY2时逆时针旋转舵机10度。
以下是一个简单的示例代码:
```c
#include "stm32f4xx.h"
#define PWM_PERIOD 20000 // PWM周期,单位为us
#define PWM_PULSE_MIN 1000 // PWM脉冲宽度最小值,单位为us
#define PWM_PULSE_MAX 2000 // PWM脉冲宽度最大值,单位为us
#define ROTATE_ANGLE 10 // 旋转角度
void delay_ms(uint32_t ms) {
uint32_t i;
for (i = 0; i < ms; i++) {
uint32_t j;
for (j = 0; j < 2000; j++);
}
}
int main(void) {
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource5, GPIO_AF_TIM2);
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_TimeBaseStructure.TIM_Period = PWM_PERIOD - 1;
TIM_TimeBaseStructure.TIM_Prescaler = 84 - 1;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
TIM_OCInitTypeDef TIM_OCInitStructure;
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = PWM_PULSE_MIN;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
TIM_OC2Init(TIM2, &TIM_OCInitStructure);
TIM_Cmd(TIM2, ENABLE);
while (1) {
if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0) == Bit_SET) { // KEY1
uint32_t pulse = TIM_GetCapture2(TIM2);
if (pulse + ROTATE_ANGLE * (PWM_PULSE_MAX - PWM_PULSE_MIN) / 180 <= PWM_PULSE_MAX) {
TIM_SetCompare2(TIM2, pulse + ROTATE_ANGLE * (PWM_PULSE_MAX - PWM_PULSE_MIN) / 180);
} else {
TIM_SetCompare2(TIM2, PWM_PULSE_MAX);
}
delay_ms(50);
}
if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_1) == Bit_SET) { // KEY2
uint32_t pulse = TIM_GetCapture2(TIM2);
if (pulse >= ROTATE_ANGLE * (PWM_PULSE_MAX - PWM_PULSE_MIN) / 180) {
TIM_SetCompare2(TIM2, pulse - ROTATE_ANGLE * (PWM_PULSE_MAX - PWM_PULSE_MIN) / 180);
} else {
TIM_SetCompare2(TIM2, PWM_PULSE_MIN);
}
delay_ms(50);
}
}
}
```
在这个代码中,我们使用了TIM2定时器的PWM功能来控制舵机。我们将GPIOA的5号引脚配置为TIM2的通道2的复用功能,以输出PWM信号。然后,我们设置了TIM2的PWM周期为20ms,预分频器为84,脉冲宽度最小值为1ms,最大值为2ms。在while循环中,我们检测KEY1和KEY2的状态,如果按下了KEY1,则将PWM脉冲宽度增加10度,如果按下了KEY2,则将PWM脉冲宽度减少10度,最后延迟50毫秒。
当然,这只是一个简单的示例代码,您需要根据您的具体舵机型号和STM32型号进行相应的修改。
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