STM32F207定时器14怎么使用

Stupid一zcy

请问谁又没有用过stm32f207的定时器14，这个定时器中断怎么配置的

翼行园子

帮顶！！！

着调

/** ---------------------------------------------------------------------
  * 基于iHome Intelligent Control Protocol (IICP) 2.0 版本的
  * 智能家居控制系统 CCO 一端
  * ---------------------------------------------------------------------
  * @file    ih_timer14.c
  * @Author  Luoyuan (15904113750@163.com)
  * @version V0.100
  * @date    2018-11-04
  * @brief   timer14 initialize and IRQ Handler program body
  * ---------------------------------------------------------------------
  * @copy
  *          COPYRIGHT 2019 TOPVIEW NETWORKS
  * ---------------------------------------------------------------------
**/

#include "ih_timer14.h"
#include "ih_iwdg.h"

void Timer14_Init(void)
{
    TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;

        NVIC_InitTypeDef NVIC_InitStructure;
   
    NVIC_InitStructure.NVIC_IRQChannel = TIM8_TRG_COM_TIM14_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM14, ENABLE);
   
    TIM_TimeBaseStructure.TIM_Period = (2500 - 1);
    TIM_TimeBaseStructure.TIM_Prescaler = (3000 - 1);
    TIM_TimeBaseStructure.TIM_ClockDivision = 0;
    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
   
    TIM_TimeBaseInit(TIM6, &TIM_TimeBaseStructure);

    TIM_ClearITPendingBit(TIM14, TIM_IT_Update);

    TIM_ITConfig(TIM14, TIM_IT_Update, ENABLE);
   
    TIM_Cmd(TIM14, DISABLE);
}

// TIM14 used to feed iwdg
// Marked by Luoyuan

void TIM8_TRG_COM_TIM14_IRQHandler(void)
{
    if (TIM_GetITStatus(TIM14, TIM_IT_Update) != RESET)
    {
        TIM_ClearITPendingBit(TIM14, TIM_IT_Update);
                IWDG_Feed();
    }
}