Flash_synchronizer.c

/************************************************ ******************************
文 件 名：Flash_synchronizer.h
功能描述：闪烁同步信号发生器库文件
作    者：张暄
版    本：V1.0
日    期：2017.04.02
******************************************************************************/

#include "Flash_synchronizer.h"

volatile uint8_t FlashSync1Hz;
volatile uint8_t FlashSync2Hz;
volatile uint8_t FlashSync5Hz;
volatile uint8_t FlashSync05Hz;
volatile uint8_t FlashSync_2_5_Hz;

const uint8_t FlashSync1HzTable[] = {0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u,
                                     1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u,
                                    };
const uint8_t FlashSync2HzTable[] = {0u, 0u, 0u, 0u, 0u, 1u, 1u, 1u, 1u, 1u,
                                     0u, 0u, 0u, 0u, 0u, 1u, 1u, 1u, 1u, 1u,
                                    };
const uint8_t FlashSync5HzTable[] = {0u, 0u, 1u, 1u, 0u, 0u, 1u, 1u, 0u, 0u,
                                     1u, 1u, 0u, 0u, 1u, 1u, 0u, 0u, 1u, 1u,
                                    };
const uint8_t FlashSync05HzTable[] = {0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u,
                                      1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u,
                                      1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u,
                                      0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u,
                                     };
const uint8_t FlashSync_2_5_HzTable[] = {0u, 0u, 0u, 0u, 1u, 1u, 1u, 1u, 0u, 0u,
                                         0u, 0u, 1u, 1u, 1u, 1u, 0u, 0u, 0u, 0u,
                                         1u, 1u, 1u, 1u, 0u, 0u, 0u, 0u, 1u, 1u,
                                         1u, 1u, 0u, 0u, 0u, 0u, 1u, 1u, 1u, 1u,
                                        }; /* 2.5Hz */

uint8_t FlashTimer = 0u;
uint8_t FlashTimer40 = 0u;

/******************************************************************************
函数名：Flash_Sync_Signal_Generation_Service
功  能：闪烁同步信号发生服务
参  数：无
返回值：无
*******************************************************************************
注  意：该服务函数必须每50ms被调用一次
******************************************************************************/
void Flash_Sync_Signal_Generation_Service ( void )
{
    FlashTimer++;       /*50ms一次 加  1*/
    if ( FlashTimer >= 20u )
    {
        FlashTimer = 0u;
    }

    FlashTimer40++;       /*50ms一次 加  1*/
    if ( FlashTimer40 >= 40u )
    {
        FlashTimer40 = 0u;
    }

    FLASH_SYNC_1Hz = FlashSync1HzTable[FlashTimer]; /*500ms*/
    FLASH_SYNC_2Hz = FlashSync2HzTable[FlashTimer]; /*250ms*/
    FLASH_SYNC_5Hz = FlashSync5HzTable[FlashTimer]; /*100ms*/
    FLASH_SYNC_2_5_Hz = FlashSync_2_5_HzTable[FlashTimer40]; /*200ms*/
}