proteus8.10仿真stm32控制舵机程序（pwm舵机） -

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单片机源程序如下:

#include "stm32f10x.h"
#include "bsp-lcd1602.h"
#include "delay.h"
#include "sys.h"
#include "adc.h"
#define LED0 PCout(2)
#define KEY0 GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_5) //读取按键0
#define KEY1 GPIO_ReadInputDataBit(GPIOA,GPIO_Pin_15) //读取按键1
#define WK_UP GPIO_ReadInputDataBit(GPIOA,GPIO_Pin_0)
void KEY_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOC,ENABLE); //使能PORTA,PORTC时钟
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE); //关闭jtag使能SWD，可以用SWD模式调试
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //设置成上拉输入
GPIO_Init(GPIOA, &GPIO_InitStructure); //初始化GPIOA15
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //设置成上拉输入
GPIO_Init(GPIOC, &GPIO_InitStructure); //初始化GPIOC5
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
void LED_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); //使能PA,PD端口时钟
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; //LED0-->PA.8 端口配置
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度为50MHz
GPIO_Init(GPIOC, &GPIO_InitStructure); //根据设定参数初始化GPIOA.8
GPIO_SetBits(GPIOC,GPIO_Pin_2); //PA.8 输出高
}
void TIM1_PWM_Init(u16 arr,u16 psc)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA , ENABLE); //使能GPIO外设时钟使能
//设置该引脚为复用输出功能,输出TIM1 CH1的PWM脉冲波形
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; //TIM_CH1
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
TIM_TimeBaseStructure.TIM_Period = arr; //设置在下一个更新事件装入活动的自动重装载寄存器周期的值 80K
TIM_TimeBaseStructure.TIM_Prescaler =psc; //设置用来作为TIMx时钟频率除数的预分频值不分频
TIM_TimeBaseStructure.TIM_ClockDivision = 0; //设置时钟分割:TDTS = Tck_tim
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIM向上计数模式
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); //根据TIM_TimeBaseInitStruct中指定的参数初始化TIMx的时间基数单位
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //选择定时器模式:TIM脉冲宽度调制模式2
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比较输出使能
TIM_OCInitStructure.TIM_Pulse = 0; //设置待装入捕获比较寄存器的脉冲值
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //输出极性:TIM输出比较极性高
TIM_OC1Init(TIM1, &TIM_OCInitStructure); //根据TIM_OCInitStruct中指定的参数初始化外设TIMx
TIM_CtrlPWMOutputs(TIM1,ENABLE); //MOE 主输出使能
TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable); //CH1预装载使能
TIM_ARRPreloadConfig(TIM1, ENABLE); //使能TIMx在ARR上的预装载寄存器
TIM_Cmd(TIM1, ENABLE); //使能TIM1
}
int main(void)
{
delay_init();
LED_Init();
KEY_Init();
TIM1_PWM_Init(1999,72);
TIM_SetCompare1(TIM1,1899);
while(1)
{
if(WK_UP==1)
{
LED0=0;
TIM_SetCompare1(TIM1,1899);
}
else
{
LED0=1;
TIM_SetCompare1(TIM1,699);
}
}
}

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