F103VE 的Timer1可以用的程序，Timer8不能用

天天123 · 发表于 2022-5-16 21:24:35

大家好，同一段程序，通过头文件更改，Timer1 仿真可以出波形，但是改成Timer8就不可以，哪里错了呢？？感谢赐教！！
如下是Timer1 仿真波形.

如下Timer8的仿真波形

#ifndef __BSP_ADVANCETIME_H
#define __BSP_ADVANCETIME_H

#include "stm32f10x.h"

/************高级定时器TIM参数定义，只限TIM1和TIM8************/
// 当使用不同的定时器的时候，对应的GPIO是不一样的，这点要注意
// 这里我们使用高级控制定时器TIM1

#if 0
#define          ADVANCE_TIM                TIM1
#define          ADVANCE_TIM_APBxClock_FUN    RCC_APB2PeriphClockCmd
#define          ADVANCE_TIM_CLK             RCC_APB2Periph_TIM1
// PWM 信号的频率 F = TIM_CLK/{(ARR+1)*(PSC+1)}
#define          ADVANCE_TIM_PERIOD          (8-1)
#define          ADVANCE_TIM_PSC             (9-1)
#define          ADVANCE_TIM_PULSE          4

//#define          ADVANCE_TIM_IRQ             TIM1_UP_IRQn
//#define          ADVANCE_TIM_IRQHandler       TIM1_UP_IRQHandler

// TIM1 输出比较通道
#define          ADVANCE_TIM_CH1_GPIO_CLK    RCC_APB2Periph_GPIOA
#define          ADVANCE_TIM_CH1_PORT       GPIOA
#define          ADVANCE_TIM_CH1_PIN          GPIO_Pin_8

// TIM1 输出比较通道的互补通道
#define          ADVANCE_TIM_CH1N_GPIO_CLK    RCC_APB2Periph_GPIOB
#define          ADVANCE_TIM_CH1N_PORT       GPIOB
#define          ADVANCE_TIM_CH1N_PIN          GPIO_Pin_13

// TIM1 输出比较通道的刹车通道
#define          ADVANCE_TIM_BKIN_GPIO_CLK    RCC_APB2Periph_GPIOB
#define          ADVANCE_TIM_BKIN_PORT       GPIOB
#define          ADVANCE_TIM_BKIN_PIN          GPIO_Pin_12
#endif

//TIM8
#if 1
#define          ADVANCE_TIM                TIM8
#define          ADVANCE_TIM_APBxClock_FUN    RCC_APB2PeriphClockCmd
#define          ADVANCE_TIM_CLK             RCC_APB2Periph_TIM8
// PWM 信号的频率 F = TIM_CLK/{(ARR+1)*(PSC+1)}
#define          ADVANCE_TIM_PERIOD          (8-1)
#define          ADVANCE_TIM_PSC             (9-1)
#define          ADVANCE_TIM_PULSE          4

//#define          ADVANCE_TIM_IRQ             TIM8_UP_IRQn
//#define          ADVANCE_TIM_IRQHandler       TIM8_UP_IRQHandler

// TIM8 输出比较通道
#define          ADVANCE_TIM_CH1_GPIO_CLK    RCC_APB2Periph_GPIOC
#define          ADVANCE_TIM_CH1_PORT       GPIOC
#define          ADVANCE_TIM_CH1_PIN          GPIO_Pin_6

// TIM8 输出比较通道的互补通道
#define          ADVANCE_TIM_CH1N_GPIO_CLK    RCC_APB2Periph_GPIOA
#define          ADVANCE_TIM_CH1N_PORT       GPIOA
#define          ADVANCE_TIM_CH1N_PIN          GPIO_Pin_7

// TIM8 输出比较通道的刹车通道
#define          ADVANCE_TIM_BKIN_GPIO_CLK    RCC_APB2Periph_GPIOA
#define          ADVANCE_TIM_BKIN_PORT       GPIOA
#define          ADVANCE_TIM_BKIN_PIN          GPIO_Pin_6
#endif

void ADVANCE_TIM_Init(void);

#endif /* __BSP_ADVANCETIME_H */

。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。#include "bsp_AdvanceTim.h"

static void ADVANCE_TIM_GPIO_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;

  // 输出比较通道 GPIO 初始化 | RCC_APB2Periph_AFIO
RCC_APB2PeriphClockCmd(ADVANCE_TIM_CH1_GPIO_CLK , ENABLE);
  GPIO_InitStructure.GPIO_Pin =  ADVANCE_TIM_CH1_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(ADVANCE_TIM_CH1_PORT, &GPIO_InitStructure);

  // 输出比较通道互补通道 GPIO 初始化
RCC_APB2PeriphClockCmd(ADVANCE_TIM_CH1N_GPIO_CLK, ENABLE);
  GPIO_InitStructure.GPIO_Pin =  ADVANCE_TIM_CH1N_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(ADVANCE_TIM_CH1N_PORT, &GPIO_InitStructure);

  // 输出比较通道刹车通道 GPIO 初始化
RCC_APB2PeriphClockCmd(ADVANCE_TIM_BKIN_GPIO_CLK, ENABLE);
  GPIO_InitStructure.GPIO_Pin =  ADVANCE_TIM_BKIN_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(ADVANCE_TIM_BKIN_PORT, &GPIO_InitStructure);
// BKIN引脚默认先输出低电平
GPIO_ResetBits(ADVANCE_TIM_BKIN_PORT,ADVANCE_TIM_BKIN_PIN);
}

// ANSIC C  C89 C语言的标准的话
// C99 支持任意地方定义变量
// C11 这个是最新的C语言标准
static void ADVANCE_TIM_Mode_Config(void)
{
// 开启定时器时钟,即内部时钟CK_INT=72M
ADVANCE_TIM_APBxClock_FUN(ADVANCE_TIM_CLK ,ENABLE);

/*--------------------时基结构体初始化-------------------------*/
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
// 自动重装载寄存器的值，累计TIM_Period+1个频率后产生一个更新或者中断
TIM_TimeBaseStructure.TIM_Period=ADVANCE_TIM_PERIOD;
// 驱动CNT计数器的时钟 = Fck_int/(psc+1)
TIM_TimeBaseStructure.TIM_Prescaler= ADVANCE_TIM_PSC;
// 时钟分频因子，配置死区时间时需要用到
TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1;
// 计数器计数模式，设置为向上计数
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up;
// 重复计数器的值，没用到不用管
TIM_TimeBaseStructure.TIM_RepetitionCounter=0;
// 初始化定时器
TIM_TimeBaseInit(ADVANCE_TIM, &TIM_TimeBaseStructure);

/*--------------------输出比较结构体初始化-------------------*/
TIM_OCInitTypeDef  TIM_OCInitStructure;
// 配置为PWM模式1
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
// 输出使能
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
// 互补输出使能
TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
// 设置占空比大小
TIM_OCInitStructure.TIM_Pulse = ADVANCE_TIM_PULSE;
// 输出通道电平极性配置
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
// 互补输出通道电平极性配置
TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;
// 输出通道空闲电平极性配置
TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
// 互补输出通道空闲电平极性配置
TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Reset;
TIM_OC1Init(ADVANCE_TIM, &TIM_OCInitStructure);
TIM_OC1PreloadConfig(ADVANCE_TIM, TIM_OCPreload_Enable);

/*-------------------刹车和死区结构体初始化-------------------*/
// 有关刹车和死区结构体的成员具体可参考BDTR寄存器的描述
TIM_BDTRInitTypeDef TIM_BDTRInitStructure;
  TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable;
  TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable;
  TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1;
// 输出比较信号死区时间配置，具体如何计算可参考 BDTR:UTG[7:0]的描述
// 这里配置的死区时间为152ns
  TIM_BDTRInitStructure.TIM_DeadTime = 11;
  TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable;
// 当BKIN引脚检测到高电平的时候，输出比较信号被禁止，就好像是刹车一样
  TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High;
  TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable;
  TIM_BDTRConfig(ADVANCE_TIM, &TIM_BDTRInitStructure);

// 使能计数器
TIM_Cmd(ADVANCE_TIM, ENABLE);
// 主输出使能，当使用的是通用定时器时，这句不需要
TIM_CtrlPWMOutputs(ADVANCE_TIM, ENABLE);
}

void ADVANCE_TIM_Init(void)
{
ADVANCE_TIM_GPIO_Config();
ADVANCE_TIM_Mode_Config();
}