欧美极品高清xxxxhd,国产日产欧美最新,无码AV国产东京热AV无码,国产精品人与动性XXX,国产传媒亚洲综合一区二区,四库影院永久国产精品,毛片免费免费高清视频,福利所导航夜趣136

標(biāo)題: 關(guān)于stm32f103c8t6控制舵機(jī)的問題 [打印本頁]

作者: xiaozhong1314 時間: 2019-7-13 10:48
標(biāo)題: 關(guān)于stm32f103c8t6控制舵機(jī)的問題
想問一下為什么信號線只能接PB13 改了也沒用，要怎么改各位大佬，求解

/***************STM32F103C8T6**********************
* 文件名  ：main.c
* 描述 : 舵機(jī)測試
* 實(shí)驗(yàn)平臺：STM32F103C8T6
* 備注：使用定時器來產(chǎn)生pwm波，控制舵機(jī)動作
* 接口：TIM1, CH1-PB13, CH2-PB14, CH3-PB15
****************STM32F103C8T6**********************/
#include "pwm_output.h"

/* 配置TIM1復(fù)用輸出PWM時用到的I/O  */
static void TIM1_GPIO_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);//定時器1時鐘使能

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);//GPIOB時鐘使能

GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;//復(fù)用推挽輸出
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

  GPIO_Init(GPIOB, &GPIO_InitStructure);

}

/*配置TIM1輸出的PWM信號的模式，如周期、極性、占空比 */
static void TIM1_Mode_Config(void)
{
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
TIM_OCInitTypeDef  TIM_OCInitStructure;

/* PWM信號電平跳變值 */
u16 CCR1_Val = 0;
u16 CCR2_Val = 0;
//u16 CCR3_Val = 50000;

/* Time base configuration */
  TIM_TimeBaseStructure.TIM_Period = 20000 - 1;//定時器周期,20ms
  TIM_TimeBaseStructure.TIM_Prescaler = 72 - 1;//時鐘預(yù)分頻
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//計(jì)數(shù)方式：向上計(jì)數(shù)

  TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);

  /* PWM1 Mode configuration: Channel1 */
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;//選擇定時器模式：tim脈寬調(diào)制2
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//比較輸出使能
  TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
  TIM_OCInitStructure.TIM_Pulse = CCR1_Val;
  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;//極性
  TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;//開反向通道
  TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
  TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;

  TIM_OC1Init(TIM1, &TIM_OCInitStructure);

  TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);

  /* PWM1 Mode configuration: Channel2 */

  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
  TIM_OCInitStructure.TIM_Pulse = CCR2_Val;
  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
  TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;//開反向通道
  TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
  TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;

  TIM_OC2Init(TIM1, &TIM_OCInitStructure);

  TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);
  TIM_ARRPreloadConfig(TIM1, ENABLE);

  /* TIM1 enable counter */
  TIM_Cmd(TIM1, ENABLE);
  TIM_CtrlPWMOutputs(TIM1, ENABLE);
}

/*配置和初始化TIM1 */
void TIM1_PWM_Init(void)
{
TIM1_GPIO_Config();
TIM1_Mode_Config();
}

作者: admin520 時間: 2019-7-13 12:23
我也遇到這問題了，希望大佬出手解決

作者: 三千 時間: 2019-7-13 22:19

admin520 發(fā)表于 2019-7-13 12:23
我也遇到這問題了，希望大佬出手解決

我也是這個問題

歡迎光臨 (http://m.raoushi.com/bbs/)