flash.c.bak

基于MSP430的电表终端上的CT检测程序

#include  <msp430x13x.h>

unsigned int flash_data_buff[10];
void  write_flash ();
void  read_flash (void);
void flash_init(void);
extern void clr_wdt(void);            //复位看门狗



//////////////////////////////////////////////////////////
extern unsigned int ZB_Count;
extern unsigned int CT_current_A,CT_current_B,CT_current_C;
extern unsigned char two_CT_state;       //二次CT状态字
extern unsigned char S331_341;      //331与341选择  1：341 0 ：331
unsigned char KL_ZBstart=1;//此位为0 则所有的判断程序不执行
unsigned char KL_ZBstate1A=0;
unsigned char KL_ZBstate05A=0;
unsigned char KL_ZBstate0A=0;
unsigned char KL_ZBstate5A=0;
#define ZB_state flash_data_buff[9]   //电流屏蔽,为0则不屏蔽
unsigned char KL_ZBBB=0;
//////////////////////////////////////////////////////////

void flash_init(void)
{
  WDTCTL = WDTPW + WDTHOLD;       // Stop watchdog timer
  FCTL2 = FWKEY + FSSEL0 + FN0;   // MCLK/2 for Flash Timing Generator
}

void write_flash (void)
{ unsigned char temp3;
  unsigned int  temp;
  unsigned char temp2;
  unsigned char *Flash_ptr;                // Flash pointer
  unsigned char i;
  Flash_ptr = (unsigned char *) 0x1000;    // Initialize Flash pointer
  FCTL1 = FWKEY + ERASE;          // Set Erase bit
  FCTL3 = FWKEY;                  // Clear Lock bit
  *Flash_ptr = 0;                 // Dummy write to erase Flash segment
  FCTL1 = FWKEY + WRT;            // Set WRT bit for write operation
  for (i=0; i<10; i++)
  { clr_wdt();
    temp=flash_data_buff[i];
    temp3=temp;
    temp2=(temp>>8);
    *Flash_ptr++ = temp2;         // Write value to flash
    *Flash_ptr++ = temp3;         // Write value to flash
  }
  FCTL1 = FWKEY;                  // Clear WRT bit
  FCTL3 = FWKEY + LOCK;           // Reset LOCK bit
}

void read_flash (void)
{
  unsigned int temp1,temp2;
  char *Flash_ptrA;               // Segment A pointer
  unsigned int i;
  Flash_ptrA = (char *) 0x1000;   // Initialize Flash segment A pointer
  FCTL1 = FWKEY + ERASE;          // Set Erase bit
  FCTL3 = FWKEY;                  // Clear Lock bit
  FCTL1 = FWKEY + WRT;            // Set WRT bit for write operation
  for (i=0; i<10; i++)
  { temp1= *Flash_ptrA++; // copy value segment A to segment B
    temp2= *Flash_ptrA++; // copy value segment A to segment B
    flash_data_buff[i] = (temp2+(temp1<<8));
    clr_wdt();
  }
  FCTL1 = FWKEY;                  // Clear WRT bit
  FCTL3 = FWKEY + LOCK;           // Reset LOCK bit
}








































































void KL_ZB (void)
{
if((S331_341)&&(ZB_state!=0))     //三相四线
{ if((KL_ZBstate1A==0)&&(CT_current_A>1500)&&(CT_current_B>1500)&&(CT_current_C>1500))
   {
      if(((CT_current_B-1000)<CT_current_A)&&((CT_current_B+1000)>CT_current_A)&&((CT_current_C-1000)<CT_current_A)&&((CT_current_C+1000)>CT_current_A))
        {KL_ZBstate1A=1;ZB_Count=0;KL_ZBBB=1;}
   }
 if((KL_ZBstate1A)&&(KL_ZBstate05A==0))
 {
      if((5200>CT_current_A)&&(CT_current_A>4800)&&(5200>CT_current_B)&&(CT_current_B>4800)&&(5200>CT_current_C)&&(CT_current_C>4800)&&(500<ZB_Count)&&(ZB_Count<800))
        {KL_ZBstate05A=1;ZB_Count=0;KL_ZBBB=2;}
 }
 if((KL_ZBstate05A)&&(KL_ZBstate0A==0))
 {
      if((CT_current_A<200)&&(CT_current_B<200)&&(CT_current_C<200)&&(ZB_Count<500))
      {KL_ZBstate0A=1;ZB_Count=0;KL_ZBBB=3;}
 }
 if((KL_ZBstate0A)&&(200<ZB_Count)&&(KL_ZBstart==1))//现象出现200秒后输出
      {two_CT_state=0x07;KL_ZBstart=0;KL_ZBBB=4;}
 if((KL_ZBstart==0)&&((((CT_current_A>49000)&&(CT_current_B>49000)&&(CT_current_C>49000))&&(ZB_Count>700))||(ZB_Count>2200)))
      {KL_ZBstate5A=1;ZB_Count=0;KL_ZBBB=5;}
 if((KL_ZBstate5A)&&(ZB_Count>300))//现象出现200秒后输出
 {two_CT_state=0;KL_ZBBB=6;}
 if(ZB_Count>4000)
 {KL_ZBstate1A=0;KL_ZBstate05A=0;KL_ZBstate0A=0;ZB_Count=0;KL_ZBBB=0;KL_ZBstart=1;}
}
}
/*
void KL_ZB (void)
{
if((S331_341==0)&&(ZB_state!=0))//三相三线
{  if(KL_ZBstate1A==0)
   {
      if(((CT_current_C-1000)<CT_current_A)&&((CT_current_C+1000)>CT_current_A))
        {KL_ZBstate1A=1;ZB_Count=0;}
   }
 if((KL_ZBstate1A)&&(KL_ZBstate05A==0))
 {
      if((3300>CT_current_A)&&(CT_current_A>2900)&&(3300>CT_current_B)&&(CT_current_B>2900)&&(3300>CT_current_C)&&(CT_current_C>2900)&&(450<ZB_Count)&&(ZB_Count<800))
        {KL_ZBstate05A=1;ZB_Count=0;}
 }
 if((KL_ZBstate05A)&&(KL_ZBstate0A==0))
 {
      if((CT_current_A<200)&&(CT_current_B<200)&&(CT_current_C<200)&&(ZB_Count<500))
      {KL_ZBstate0A=1;ZB_Count=0;}
 }
 if((KL_ZBstate0A)&&(200<ZB_Count)&&(KL_ZBstart==1))//现象出现200秒后输出
      {two_CT_state=0x05;KL_ZBstart=0;}
 if((KL_ZBstart==0)&&((((CT_current_A>49000)&&(CT_current_B>49000)&&(CT_current_C>49000))&&(ZB_Count>700))||(ZB_Count>2200)))
      {KL_ZBstate5A=1;ZB_Count=0;}
 if((KL_ZBstate5A)&&(ZB_Count>200))
 {two_CT_state=0;}
 if(ZB_Count>3000)
 {KL_ZBstate1A=0;KL_ZBstate05A=0;KL_ZBstate0A=0;ZB_Count=0;}
}
}
*/