Flash.h

00001 #include "FreescaleIAP.h"
00002 
00003 int strt_add_thres = flash_size() - (11*SECTOR_SIZE);
00004 uint32_t flasharray_thres[32] = {0};
00005 
00006 void FCTN_CDMS_WR_FLASH(uint16_t , uint32_t);
00007 int strt_add = flash_size() - (2*SECTOR_SIZE);
00008 uint32_t flasharray[32];    //256+(3*1024)
00009 uint32_t INITIAL_FLASH[32];
00010 
00011 /*corrected*/
00012 int *nativeflash = (int*)strt_add;
00013 
00014 void FLASH_INI()
00015 {
00016     INITIAL_FLASH[16] = 80000;
00017     uint32_t read[32]; 
00018     for(int i=0;i<32;i++)
00019     {  
00020         read[i] = nativeflash[i];
00021     }
00022             
00023     if(read[0] == -1)
00024     {
00025         for(int j=0;j<32;j++)
00026         {   
00027             FCTN_CDMS_WR_FLASH(j,INITIAL_FLASH[j]); 
00028         } 
00029     }
00030     else
00031     {
00032         for(int j=0;j<32;j++)
00033         {   
00034             read[j] = nativeflash[j];
00035         }
00036     }
00037     EPS_V_A_EN_STATUS = read[0];
00038     BAE_STATUS = read[1]; 
00039     SD_STATUS = read[2];
00040     PL_STATUS = read[3];
00041     PL_EPS_LATCH_SW_EN = read[4];
00042     RTC_INIT_STATUS = read[5];
00043     CDMS_RTC_DISABLE = read[6];
00044     CDMS_RESET_COUNTER = read[7];
00045     TIME_LATEST_CDSMS_RESET = read[8];
00046     COM_TC_BYTES_LIMIT = read[9];
00047     COM_RX_CURRENT_MAX = read[10];
00048     COM_RX_DISABLE_TIMEOUT = read[11];
00049     COM_PA_TMP_HIGH = read[12];
00050     COM_PA_RECOVERY_TIMEOUT = read[13];
00051     COM_SESSION_TIMEOUT = read[14];
00052     COM_RSSI_MIN = read[15];
00053     SD_LIB_BLK_CURRENT = read[16];
00054     CDMS_RESET_COUNTER = read[17];
00055 }
00056 
00057 /*Writing to the Flash*/
00058 void FCTN_CDMS_WR_FLASH(uint16_t j,uint32_t datablock)  //j-position to write address  ; fdata - flash data to be written
00059 {
00060     for(int i=0;i<17;i++)
00061     {
00062         flasharray[i]=nativeflash[i];
00063     }
00064     flasharray[j]=datablock;
00065     erase_sector(strt_add);
00066     program_flash(strt_add, (char*)flasharray,32);
00067 }
00068 /*End*/
00069 
00070 /*===================================================MMS Functions=================================================*/
00071 
00072 void FCTN_CDMS_WR_S_FLASH(uint16_t mid,uint32_t datablock);
00073 
00074 void FCTN_CDMS_WR_S_FLASH(uint16_t mid,uint32_t datablock)
00075 {
00076     if(mid == 0x0100)
00077     {
00078         FCTN_CDMS_WR_FLASH(11,(datablock>>16) & 0x000000FF);
00079         FCTN_CDMS_WR_FLASH(13,(datablock>>8) & 0x000000FF);
00080         FCTN_CDMS_WR_FLASH(14,datablock & 0x000000FF);
00081     }
00082     else if(mid == 0x0101)
00083     {
00084         FCTN_CDMS_WR_FLASH(12,(datablock>>16) & 0x000000FF);
00085         FCTN_CDMS_WR_FLASH(10,(datablock>>8) & 0x000000FF);
00086         FCTN_CDMS_WR_FLASH(15,datablock & 0x000000FF);
00087     }
00088     else if(mid == 0x0102)
00089     {
00090         FCTN_CDMS_WR_FLASH(9,datablock & 0x0000FFFF);
00091     }
00092     else if(mid == 0x0103)
00093     {
00094         FCTN_CDMS_WR_FLASH(6,datablock & 0x00000001);
00095     } 
00096 }
00097 
00098 int verify_flash_sector(int mid,uint32_t* flasharray_thres)
00099 {
00100     int add = strt_add_thres + ((mid-1)*SECTOR_SIZE);
00101     int result = 0;
00102     int* testflash = (int*)add;
00103     for(int i=0;i<32;i++)
00104     {  
00105         if(testflash[i] == flasharray_thres[i])
00106             continue;
00107         else
00108         {
00109             return 1;
00110         }
00111     }
00112     return 0;
00113 }