/**
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******************************************************************************
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* @file Project/STM32F10x_StdPeriph_Template/stm32f10x_it.c
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* @author MCD Application Team
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* @version V3.4.0
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* @date 10/15/2010
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* @brief Main Interrupt Service Routines.
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* This file provides template for all exceptions handler and
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* peripherals interrupt service routine.
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******************************************************************************
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* @copy
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* <h2><center>© COPYRIGHT 2010 STMicroelectronics</center></h2>
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f10x_it.h"
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#include "stm32f10x.h"
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#include "beep.h"
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/* Tick timer count. */
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volatile uint32_t time32_incr;
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volatile uint32_t g_beep_on_time = 0;
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volatile uint32_t g_beep_off_time = 0;
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void SysTick_Handler(void)
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{
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static uint32_t s_cycle_time = 0;
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time32_incr++;
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if(s_cycle_time >= g_beep_off_time)
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{
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s_cycle_time = 0;
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}
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else if(s_cycle_time > g_beep_on_time && s_cycle_time < g_beep_off_time)
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{
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BEEP_OFF;
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}
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else if(s_cycle_time <= g_beep_on_time)
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{
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BEEP_ON;
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}
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s_cycle_time++;
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}
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/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/
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