好用的烟雾探测模组程序源码

/***********************************************************************/ /* */ /* FILE : Main.c */ /* DATE : 22.12.2016 1.00 First Release */ /* DESCRIPTION : Main Program */ /* CPU TYPE : R5F1176A */ /* */ /* */ /***********************************************************************/ #include "iodefine.h" #include "macrodefine.h" #include "clock.h" #include "opa.h" #include "it12bit.h" #include "adc.h" #include "buzzer.h" #include "intp0.h" /****************************************************************************** Global Variables ******************************************************************************/ uint8_t AD_Result[10]; /* Array for A/D result */ uint8_t Count = 0; /* A/D result counter */ uint8_t Calculate_Flag = 0; /* Calcultate flag after A/D sampling */ uint8_t Value_Smoke; /* The average of A/D data */ /****************************************************************************** Extern global Variables defined in other files ******************************************************************************/ extern uint8_t IR_Light; extern uint8_t Test_Flag; /****************************************************************************** Global Function Prototypes ******************************************************************************/ void main(void); /****************************************************************************** Private Function Prototypes ******************************************************************************/ static void Init_system(void); static uint8_t Calculate_Smoke( uint8_t * DataPoint); /*********************************************************************************************************************** * Function Name: main * Description : The main loop of the project. * Arguments : None * Return Value : None ***********************************************************************************************************************/ void main(void) { DI(); Init_system(); Start_IT12bit(); EI(); while(1U) { /* sampling the result of AMP3O */ if(IR_Light == 1) { ADCS = 1U; while( ADCS ); AD_Result[Count] = ADCRH; Count++; } else { Count = 0; } /* Calculate_Flag is set to 1 after A/D sampling */ /* Calculate the smoke value is stopped when testing alarm LED and buzzer */ if( (Calculate_Flag == 1) && (Test_Flag == 0x00) ) { Value_Smoke = Calculate_Smoke(AD_Result); if(Value_Smoke > SMOKE_ALARM) { LED_DIR = PORT_OUT; /* alarm LED pin output enable */ Init_Buzzer(); PCLOE0 = 1U; /* pclbuz pin output enable */ } else { LED = LOW; LED_DIR = PORT_INPUT; /* alarm LED pin output disable */ PCLOE0 = 0U; /* pclbuz pin output disable */ BUZZER = LOW; BUZZER_DIR = PORT_INPUT; } Calculate_Flag = 0; } } } /*********************************************************************************************************************** * Function Name: Init_system * Description : This function initializes the system of MCU. * Arguments : None * Return Value : None ***********************************************************************************************************************/ static void Init_system(void) { Init_LOCO(); Init_OPA(); Init_IT12bit(); Init_ADC(); Init_INTP0(); } /****************************************************************************** * Function Name : Calculate_Smoke * Description : This function calculate the smoke value. * Arguments : none * Return Value : uint8_t- OPA3 output ******************************************************************************/ static uint8_t Calculate_Smoke( uint8_t * DataPoint) { /* Local variables */ uint8_t i = 0; uint16_t t_max_data,t_min_data; uint16_t t_TempData; t_max_data = *DataPoint; t_min_data = *DataPoint; t_TempData = 0; while(i++ < 5) { if( *DataPoint > t_max_data ) t_max_data = *DataPoint; if( *DataPoint < t_min_data ) t_min_data = *DataPoint; t_TempData += *DataPoint; DataPoint++; } /* Get the average value after delete the max data and min data */ t_TempData = ( t_TempData - t_max_data - t_min_data ); t_TempData = t_TempData/3; return((uint8_t)t_TempData); }