eeprom.c

实现了dsPIC30f6012a通过SPC3与PLC通信

//************************************************************************
//File Name:   Flash.c
//Include:     Flash_Write  -- Write data from variables to Flash memory
//             Flash_Read -- Read data from Flash memory to variables
//Description: The Operation about flash memory. It is recommended to...
//     use the information memory, but not main memory. and the...
//     memories are segmentB(0x01000~0x01079) and segmentA(0x01080~0x10FF)
//************************************************************************
#include "Headfiles.h"

//************************************************************************
//Func. Name:        Flash_Write
//Input variables:   None
//Output variables:  None
//Use sub-func.list: None
//Used by list:      Keyboard.c -- Key_Treat
//Description:       Write data into Flash memory. Including the...
//     fllowing data and it's quantity & data type:
//       1. Control_Parameter      26   int(16bit)
//       2. Channel_Parameter      2*6  int(16bit)
//       3. System_Parameter       6    int(16bit)
//       4. L_Set                  2    int(16bit)
//       5. System_Parameter_Asic  11   char(8bit)
//     In addition, The last parameter "System_Parameter_Asic[10]" ...
//  saved as OFF(0), although it is set ON(1)
//************************************************************************
void EEPROM_Write(void)
{
    int eeprom_page, eeprom_offset;
    unsigned char i;
    int tmp_parameter;
    
    eeprom_offset = EEPROM_START_ADDR & 0x00FFFF;  //start address
    eeprom_page = (EEPROM_START_ADDR >> 16) & 0x0000FF;
    //--------------------------------------------Read 16bit data
    for(i = 0; i < 26; i++)
    {
         ReadEE(eeprom_page, eeprom_offset, &tmp_parameter, 1);
         if (tmp_parameter != Control_Parameter[i])
         {
             EraseEE(eeprom_page, eeprom_offset, 1);
             WriteEE(&Control_Parameter[i], eeprom_page, eeprom_offset, 1);
         }
         eeprom_offset += 2;            //pointer points next cell
    }
    for (i = 0; i < 6; i++)
    {
         ReadEE(eeprom_page, eeprom_offset, &tmp_parameter, 1);
         if (tmp_parameter != Channel_Parameter[0][i])
         {
             EraseEE(eeprom_page, eeprom_offset, 1);
             WriteEE(&Channel_Parameter[0][i], eeprom_page, eeprom_offset, 1);
         }
        eeprom_offset += 2; 
    }
    for (i = 0; i < 6; i++)
    {
         ReadEE(eeprom_page, eeprom_offset, &tmp_parameter, 1);
         if (tmp_parameter != Channel_Parameter[1][i])
         {
             EraseEE(eeprom_page, eeprom_offset, 1);
             WriteEE(&Channel_Parameter[1][i], eeprom_page, eeprom_offset, 1);
         }
        eeprom_offset += 2; 
    }
    for (i = 0; i < 6; i++)
    {
         ReadEE(eeprom_page, eeprom_offset, &tmp_parameter, 1);
         if (tmp_parameter != System_Parameter[i])
         {
             EraseEE(eeprom_page, eeprom_offset, 1);
             WriteEE(&System_Parameter[i], eeprom_page, eeprom_offset, 1);
         }
        eeprom_offset += 2; 
    }
    for (i = 0; i < 2; i++)
    {
         ReadEE(eeprom_page, eeprom_offset, &tmp_parameter, 1);
         if (tmp_parameter != L_Set[i])
         {
             EraseEE(eeprom_page, eeprom_offset, 1);
             WriteEE(&L_Set[i], eeprom_page, eeprom_offset, 1);
         }
        eeprom_offset += 2; 
    }
    for (i = 0; i < 2; i++)
    {
         ReadEE(eeprom_page, eeprom_offset, &tmp_parameter, 1);
         if (tmp_parameter != System_Zero_Point[i])
         {
             EraseEE(eeprom_page, eeprom_offset, 1);
             WriteEE(&System_Zero_Point[i], eeprom_page, eeprom_offset, 1);
         }
        eeprom_offset += 2; 
    }
    for (i = 0; i < 11; i++)
    {
         ReadEE(eeprom_page, eeprom_offset, &tmp_parameter, 1);
         if (tmp_parameter != System_Parameter_Asic[i])
         {
             EraseEE(eeprom_page, eeprom_offset, 1);
             WriteEE(&System_Parameter_Asic[i], eeprom_page, eeprom_offset, 1);
         }
        eeprom_offset += 2; 
    }
}

//************************************************************************
//Func. Name:        Flash_Read
//Input variables:   None
//Output variables:  None
//Use sub-func.list: None
//Used by list:      Init.c -- Software_Init
//Description:       Read data from Flash memory. Including the...
//     fllowing data and it's quantity & data type:
//       1. Control_Parameter      26   int(16bit)
//       2. Channel_Parameter      2*6  int(16bit)
//       3. System_Parameter       6    int(16bit)
//       4. L_Set                  2    int(16bit)
//       5. System_Parameter_Asic  11   char(8bit)
//************************************************************************
void EEPROM_Read(void)
{
    int eeprom_page, eeprom_offset;
    unsigned char i;
    
    eeprom_offset = EEPROM_START_ADDR & 0x00FFFF;  //start address
    eeprom_page = (EEPROM_START_ADDR >> 16) & 0x0000FF;
    //--------------------------------------------Read 16bit data
    for(i = 0; i < 26; i++)
    {
         ReadEE(eeprom_page, eeprom_offset, &Control_Parameter[i], 1);
         eeprom_offset += 2;            //pointer points next cell
    }
    for (i = 0; i < 6; i++)
    {
        ReadEE(eeprom_page, eeprom_offset, &Channel_Parameter[0][i], 1);
        eeprom_offset += 2; 
    }
    for (i = 0; i < 6; i++)
    {
        ReadEE(eeprom_page, eeprom_offset, &Channel_Parameter[1][i], 1);
        eeprom_offset += 2; 
    }
    for (i = 0; i < 6; i++)
    {
        ReadEE(eeprom_page, eeprom_offset, &System_Parameter[i], 1);
        eeprom_offset += 2; 
    }
    for (i = 0; i < 2; i++)
    {
        ReadEE(eeprom_page, eeprom_offset, &L_Set[i], 1);
        eeprom_offset += 2; 
    }
    for (i = 0; i < 2; i++)
    {
        ReadEE(eeprom_page, eeprom_offset, &System_Zero_Point[i], 1);
        eeprom_offset += 2; 
    }
    for (i = 0; i < 11; i++)
    {
        ReadEE(eeprom_page, eeprom_offset, &System_Parameter_Asic[i], 1);
        eeprom_offset += 2; 
    }
}