From 41776246aed24b42e1d05da230f6f114e02c87b6 Mon Sep 17 00:00:00 2001 From: guanjiao <sqrgj@163.com> Date: 星期日, 27 五月 2018 17:39:52 +0800 Subject: [PATCH] 增加低通滤波与渐进报警功能 --- 源码/核心板/Src/stm32f10x_it.c | 31 +++++++++++++++++++++++-------- 1 files changed, 23 insertions(+), 8 deletions(-) diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/stm32f10x_it.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/stm32f10x_it.c" index ddb1ab7..14ddeec 100644 --- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/stm32f10x_it.c" +++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/stm32f10x_it.c" @@ -1,11 +1,11 @@ /** ****************************************************************************** - * @file Project/STM32F10x_StdPeriph_Template/stm32f10x_it.c + * @file Project/STM32F10x_StdPeriph_Template/stm32f10x_it.c * @author MCD Application Team * @version V3.4.0 * @date 10/15/2010 * @brief Main Interrupt Service Routines. - * This file provides template for all exceptions handler and + * This file provides template for all exceptions handler and * peripherals interrupt service routine. ****************************************************************************** * @copy @@ -18,22 +18,37 @@ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * * <h2><center>© COPYRIGHT 2010 STMicroelectronics</center></h2> - */ + */ /* Includes ------------------------------------------------------------------*/ #include "stm32f10x_it.h" #include "stm32f10x.h" +#include "beep.h" + /* Tick timer count. */ -volatile unsigned long time32_incr; -volatile unsigned long time32_reset = 0; +volatile uint32_t time32_incr; + +volatile uint32_t g_beep_on_time = 0; +volatile uint32_t g_beep_off_time = 0; + void SysTick_Handler(void) { + static uint32_t s_cycle_time = 0; time32_incr++; - time32_reset++; - if(time32_reset>10000) + + if(s_cycle_time >= g_beep_off_time) { - NVIC_SystemReset(); + s_cycle_time = 0; } + else if(s_cycle_time > g_beep_on_time && s_cycle_time < g_beep_off_time) + { + BEEP_OFF; + } + else if(s_cycle_time <= g_beep_on_time) + { + BEEP_ON; + } + s_cycle_time++; } /******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/ -- Gitblit v1.9.3