SMT（SF）
示例一：
uint iPwmDuty;
double temp; temp = (double)AdConvert(AN_TEMPERATURE);
temp = temp/; iPwmDuty = (int)(temp+0.5)>(int)temp?(int)temp+:(int)temp;
如果参数在xx.5附近，易产生不稳定摆动
SMT（SF）
uint iPwmDuty;
uint temp,temp4,temp6;
static uint LastiPwmDuty; temp = AdConvert(AN_TEMPERATURE);
temp = temp/; //放大10倍，保留一位小数 temp6 = (temp+)/;
temp4 = (temp+)/;
temp = temp/; if(temp6 > temp)
{
iPwmDuty = temp6;
}
else if(temp4 == temp)
{
iPwmDuty = temp;
}
else
{
if(temp >= LastiPwmDuty)//由小到大
{
iPwmDuty = temp6;
}
else //(iPwmDuty < LastiPwmDuty)
{
iPwmDuty = temp4;
}
}
LastiPwmDuty = iPwmDuty;
示例二：
uchar CanCharge(void)
{
uint temp;
static uchar ChgState = FALSE; if(AdResult[AD_SUNBORD] > AdResult[AD_OPEN_BAT] )
{
temp = AdResult[AD_SUNBORD] - AdResult[AD_OPEN_BAT];
}
else
{
temp = ;
}
if (temp > )// 1V = 1/2.5/4.096*4096 = 400; 0.1V = 40;
{
ChgState = TRUE;
}
else if(temp <= )
{
ChgState = FALSE;
}
return ChgState;
}
示例三：
//#include<pic16f1828.h>
#include<htc.h>
#include "adc.h" __CONFIG(FOSC_INTOSC&WDTE_OFF&PWRTE_ON&MCLRE_OFF&CP_ON&CPD_ON&BOREN_ON&CLKOUTEN_OFF&IESO_OFF&FCMEN_OFF);
__CONFIG(WRT_ALL&PLLEN_OFF&STVREN_ON&LVP_OFF); #define uchar unsigned char
#define uint unsigned int #define RLY1 LATA5
#define RLY2 LATA4
#define RLY3 LATC4 #define RLY_ON 0
#define RLY_OFF 1
#define LED_ON 1
#define LED_OFF 0
#define TRUE 1
#define FALSE 0 #define LED1 LATC2 //LED1(DS3)-RLY1
#define LED2 LATC1 //LED2(DS2)-RLY2
#define LED3 LATC0 //LED3(DS1)-RLY3 #define Connect3 262 //26.2V
#define DisConnect3 238 //23.8V
#define Connect2 260
#define DisConnect2 225
#define Connect1 255 //25.5V
#define DisConnect1 215 //21.5V void DisplayLed(void); void main()
{
uint BAT_SENSE ,BAT_VOLT;
static uint LoadConnect3,LoadConnect2,LoadConnect1;
static uint LoadDisConnect3,LoadDisConnect2,LoadDisConnect1;
static uchar RLY1_States,RLY2_States,RLY3_States; init_a2d(); TRISA = 0x08; //MCLR = 1;
TRISC = 0x40;
ANSELC= 0x40; //set anolog in BAT_SENSE = MiddleADValue();
BAT_VOLT = (uint)(BAT_SENSE*0.78125);//AD/1024*5*16 = (V); 5*160/1024 =800/1024 = 0.78125(参数放大10倍) //Automatic system voltage recognition
if(BAT_VOLT <){//12V
LoadConnect3 = Connect3>>;
LoadDisConnect3 = DisConnect3>>;
LoadConnect2 = Connect2>>;
LoadDisConnect2 = DisConnect2>>;
LoadConnect1 = Connect1>>;
LoadDisConnect1 = DisConnect1>>;
}else if(BAT_VOLT >){//48V
LoadConnect3 = Connect3<<;
LoadDisConnect3 = DisConnect3<<;
LoadConnect2 = Connect2<<;
LoadDisConnect2 = DisConnect2<<;
LoadConnect1 = Connect1<<;
LoadDisConnect1 = DisConnect1<<;
}else{//24V
LoadConnect3 = Connect3;
LoadDisConnect3 = DisConnect3;
LoadConnect2 = Connect2;
LoadDisConnect2 = DisConnect2;
LoadConnect1 = Connect1;
LoadDisConnect1 = DisConnect1;
} RLY1_States = FALSE;
RLY2_States = FALSE;
RLY3_States = FALSE;
RLY1 = RLY_OFF;
RLY2 = RLY_OFF;
RLY3 = RLY_OFF; LED1 = LED_OFF;
LED2 = LED_OFF;
LED3 = LED_OFF;
} while()
{
BAT_SENSE = MiddleADValue();
BAT_VOLT = (uint)(BAT_SENSE*0.78125);//5*160/1024 =800/1024 = 0.78125 if(BAT_VOLT < LoadDisConnect1)
{
RLY1_States = FALSE;
}
else if(BAT_VOLT > LoadConnect1)
{
RLY1_States = TRUE;
} if(BAT_VOLT < LoadDisConnect2)
{
RLY2_States = FALSE;
}
else if(BAT_VOLT > LoadConnect2)
{
RLY2_States = TRUE;
} if(BAT_VOLT < LoadDisConnect3)
{
RLY3_States = FALSE;
}
else if(BAT_VOLT > LoadConnect3)
{
RLY3_States = TRUE;
}
//=====================================================
if(RLY1_States == TRUE)
{
RLY1 = RLY_ON;
}
else
{
RLY1 = RLY_OFF;
}
if(RLY2_States == TRUE)
{
RLY2 = RLY_ON;
}
else
{
RLY2 = RLY_OFF;
}
if(RLY3_States == TRUE)
{
RLY3 = RLY_ON;
}
else
{
RLY3 = RLY_OFF;
}
DisplayLed();
_delay();
}
} void DisplayLed(void)
{
//LED state set synchronization
if(RLY1_States == TRUE)
{
LED1 = LED_ON;
}
else
{
LED1 = !LED1;
} if(RLY2_States == TRUE)
{
LED2 = LED_ON;
}
else
{
LED2 = !LED2;
} if(RLY3_States == TRUE)
{
LED3 = LED_ON;
}
else
{
LED3 = !LED3; //One LED twinkle
}
}
//#include<pic16f1828.h>
#include<htc.h>
#include "adc.h" __CONFIG(FOSC_INTOSC&WDTE_ON&PWRTE_OFF&MCLRE_OFF&CP_ON&CPD_ON&BOREN_ON&CLKOUTEN_OFF&IESO_OFF&FCMEN_OFF);
__CONFIG(WRT_ALL&PLLEN_OFF&STVREN_ON&LVP_OFF); #define uchar unsigned char
#define uint unsigned int #define RLY1 LATA5
#define RLY2 LATA4
#define RLY3 LATC4 #define RLY_ON 0
#define RLY_OFF 1
#define LED_ON 1
#define LED_OFF 0 #define LED1 LATC2 //LED1(DS3)-RLY1
#define LED2 LATC1 //LED2(DS2)-RLY2
#define LED3 LATC0 //LED3(DS1)-RLY3 #define Connect3 262 //26.2V
#define DisConnect3 238 //23.8V
#define Connect2 260
#define DisConnect2 225
#define Connect1 255 //25.5V
#define DisConnect1 215 //21.5V void DisplayLed(void); void main()
{
uchar flag;
uint BAT_SENSE ,BAT_VOLT; static uint LoadConnect3,LoadConnect2,LoadConnect1;
static uint LoadDisConnect3,LoadDisConnect2,LoadDisConnect1; init_a2d(); TRISA = 0x08; //MCLR = 1;
TRISC = 0x40;
ANSELC= 0x40; //set anolog in BAT_SENSE = MiddleADValue();
BAT_VOLT = (uint)(BAT_SENSE*0.78125);//AD/1024*5*16 = (V); 5*160/1024 =800/1024 = 0.78125(参数放大10倍) //Automatic system voltage recognition
if(BAT_VOLT <){//12V
LoadConnect3 = Connect3>>;
LoadDisConnect3 = DisConnect3>>;
LoadConnect2 = Connect2>>;
LoadDisConnect2 = DisConnect2>>;
LoadConnect1 = Connect1>>;
LoadDisConnect1 = DisConnect1>>;
}else if(BAT_VOLT >){//48V
LoadConnect3 = Connect3<<;
LoadDisConnect3 = DisConnect3<<;
LoadConnect2 = Connect2<<;
LoadDisConnect2 = DisConnect2<<;
LoadConnect1 = Connect1<<;
LoadDisConnect1 = DisConnect1<<;
}else{//24V
LoadConnect3 = Connect3;
LoadDisConnect3 = DisConnect3;
LoadConnect2 = Connect2;
LoadDisConnect2 = DisConnect2;
LoadConnect1 = Connect1;
LoadDisConnect1 = DisConnect1;
} flag = ;
RLY1 = RLY_OFF;
RLY2 = RLY_OFF;
RLY3 = RLY_OFF; LED1 = LED_OFF;
LED2 = LED_OFF;
LED3 = LED_OFF;
} while()
{
BAT_SENSE = MiddleADValue();
BAT_VOLT = (uint)(BAT_SENSE*0.78125);//5*160/1024 =800/1024 = 0.78125 //Determine which range of BAT_VOLT
if(BAT_VOLT<LoadDisConnect1)
{
RLY1 = RLY_OFF;
RLY2 = RLY_OFF;
RLY3 = RLY_OFF;
flag = ;
}
else if((BAT_VOLT>=LoadDisConnect1)&&(BAT_VOLT<LoadDisConnect2))
{
if(flag > )//由大到小
{
//RLY1 = RLY1;
RLY2 = RLY_OFF;
RLY3 = RLY_OFF;
}else if(flag <= ){ }
flag = ;
}
else if((BAT_VOLT>=LoadDisConnect2)&&(BAT_VOLT<LoadDisConnect3))
{
if(flag > )
{
//RLY1 = RLY1;
//RLY2 = RLY2;
RLY3 = RLY_OFF;
}
flag = ;
}
/*-------------------------------------------------------*/
else if((BAT_VOLT>=LoadDisConnect3)&&(BAT_VOLT<LoadConnect1))
{
//RLY1 = RLY1;
//RLY2 = RLY2;
//RLY3 = RLY3;
flag = ;
}
/*-------------------------------------------------------*/
else if((BAT_VOLT>=LoadConnect1)&&(BAT_VOLT<LoadConnect2))
{
if(flag < ){ RLY1 = RLY_ON;
//RLY2 = RLY2;
//RLY3 = RLY3;
}
flag = ;
}else if((BAT_VOLT>=LoadConnect2)&&(BAT_VOLT<LoadConnect3))
{
if(flag < )
{
RLY1 = RLY_ON;
RLY2 = RLY_ON;
//RLY3 = RLY3;
}
flag = ; }else if(BAT_VOLT>=LoadConnect3)
{
RLY1 = RLY_ON;
RLY2 = RLY_ON;
RLY3 = RLY_ON;
flag = ;
}
DisplayLed();
_delay();
}
} void DisplayLed(void)
{
//LED state set synchronization
if(RLY1 == RLY_ON)
{
LED1 = LED_ON;
}
else
{
LED1 = !LED1;
} if(RLY2 == RLY_ON)
{
LED2 = LED_ON;
}
else
{
LED2 = !LED2;
} if(RLY3 == RLY_ON)
{
LED3 = LED_ON;
}
else
{
LED3 = !LED3; //One LED twinkle
}
}
施密特算法
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