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Files.c
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/********************* (C) COPYRIGHT 2010 e-Design Co.,Ltd. ********************
File Name : File.c
Version : DS203_APP Ver 2.5x Author : bure
*******************************************************************************/
#include <string.h>
#include "Function.h"
#include "Process.h"
#include "BIOS.h"
#include "File.h"
#include "Menu.h"
#include "Calibrat.h"
#include "Interrupt.h"
u16 SectorSize = 0;
u8 flash_mode = 0;
//u8 SecBuff[LARGEST_SECTOR_SIZE];
u8 SecBuff[0x1800]; //make enough room to load the entire 2MB device FAT, stack reduced to make room
uc8 DiskDevInfo_8M[]={"8MB Internal"};
void Print_Clk(u8 Phase);
u8 OverWriteWarn(void);
void ProcessConfigName(void);
void FileMessage(u8 i);
u8 WriteFileSec(u8* SecBuff, u16* pCluster, u32* pDirAddr);
u8 FileEntryAdd(u8* pBuffer, u32* pDirAddr, char* Filename);
u8 WriteSector(u16 n, u16* pCluster,u32* pDirAddr);
s32 CSVdata(u8 Ch,u8 Inv,u16 i,u8 data);
u8 CSVdataModeLogic(void);
u8 SaveShortBuffXpos;
u8 FileBuff[1600];
u16 TempPar[74];
u8 Versions;
u16 ArbtSampleNumber;
u32 UartFileSize=0;
char Label[15][13];
char Ext[4]={'C','F','G',0};
u16 DirRange=0;
char SelectedFileName[9];
char ConfigFileName[9];
char LastAccessedConfig[9]={32,32,32,32,32,32,32,32,0};
u8 Edited=0;
u8 BufferRestore=0;
u32 RootStart=0x00004000;
u32 RootStop =0x00007F00;
uc32 FatStart=0x00001000;
u16 CSVposition;
const char Offset[5]= {" Os="};
const char SPeriod[7]= {" PER="};
const char Sampling[4][14]={ {" ChA: VOLTS"},{" ChB: VOLTS"},{" ChC: 0= "},{" ChD: 0= "} };
const char OSsampling[4][14]={ {" ChA:HI VOLTS"},{" ChA:LO VOLTS"},{" ChB:HI VOLTS"},{" ChB:LO VOLTS"} };
const char SamplingPeriod[22][8]={ {"33.333mS"},{"16.667mS"},{"6.6667mS"},{"3.3333mS"},{"1.6667mS"},{"666.67uS"},{"333.33uS"},
{"166.67uS"},{"66.667uS"},{"33.333uS"},{"16.667uS"},{"6.6667uS"},{"3.3333uS"},{"1.6667uS"},
{"666.67nS"},{"333.33nS"},{"166.67nS"},{"69.444nS"},{"41.667nS"},{"27.778nS"},{"13.889nS"},
{"13.889nS"} };
const char SubSamplingPeriod[13][8]= { {"3.3333mS"},{"6.6667mS"},{"16.667mS"},{"33.333mS"},{"66.667mS"},{"166.7mS"},{"333.33mS"},
{"500.00mS"},{"1.0000 S"},{"2.0000 S"},{"4.0000 S"},{"10.000 S"},{"20.000 S"} };
const char DigSampling[4][12]={ {" ChA X "},{" ChB X "},{" ChC +20=1"},{" ChD +20=1"} };
const char AmplitudeSteps[8][6]= { {"2.00mV"},{"4.00mV"},{"8.00mV"},{"20.0mV"},{"40.0mV"},{"80.0mV"},{"200 mV"},{"400 mV"} };
const char AmplitudeX10Steps[8][6]= { {"20.0mV"},{"40.0mV"},{"80.0mV"},{"200 mV"},{"400 mV"},{"800 mV"},{"2.00 V"},{"4.00 V"} };
const char ErrorCode[5][6]={" OK "," FULL"," NONE"," ERR"," CNCL"};
const char Clk[4][2]={"|","/","-","$"};
uc16 BMP_Color[16] = { WHT, CYAN, CYAN_, YEL, YEL_, PURPL, PURPL_, GRN, //for 16 color BMP's
GRN_, GRAY, ORANGE, BLUE, RED, BLACK, 0x87F0, 0x7BEF};
//16 color BMP file header
uc8 BmpHead16[54] = { 0X42, 0X4D, 0XF8, 0XBB, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X76, 0X0, 0X00, 0X00, 0X28, 0X00,
0X00, 0X00, 0X90, 0X01, 0X00, 0X00, 0XF0, 0X00, 0X00, 0X00, 0X01, 0X0, 0X04, 0X00, 0X00, 0X00,
0X00, 0X00, 0X82, 0XBB, 0X00, 0X00, 0X12, 0X0B, 0X00, 0X00, 0X12, 0XB, 0X00, 0X00, 0X10, 0X00,
0X00, 0X00, 0X00, 0X00, 0X00, 0X00};
//byte 28= 0x04 bits/pixel
//64K color BMP file header
uc8 BmpHead64[66] = { 0X42, 0X4D, 0X42, 0XEE, 0X02, 0X00, 0X00, 0X00, 0X00, 0X00, 0X42, 0X0, 0X00, 0X00, 0X28, 0X00,
0X00, 0X00, 0X90, 0X01, 0X00, 0X00, 0XF0, 0X00, 0X00, 0X00, 0X01, 0X0, 0X10, 0X00, 0X03, 0X00,
0X00, 0X00, 0X00, 0XEE, 0X02, 0X00, 0X12, 0X0B, 0X00, 0X00, 0X12, 0XB, 0X00, 0X00, 0X00, 0X00,
0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X1F, 0X00, 0X00, 0X00, 0XE0, 0X07,0X00, 0X00, 0X00, 0XF8,
0X00, 0X00};
//byte 28= 0x10 bits/pixel
/*******************************************************************************
Initialize the file system return value: 0x00 = successful
Primarily sets variables for flash_mode and SectorSize
*******************************************************************************/
u8 InitFileSystem() {
u32 ptr;
u8 Ver[8];
if (SectorSize!=0) return 0;
ptr=__Get(DFUVER);
memcpy(Ver,(u8*)ptr,5);
ptr=(Ver[1]-'0')*100 +(Ver[3]-'0')*10 +(Ver[4]-'0');
if(ptr<=311){
flash_mode=FLASH_2M;
SectorSize = FLASH_2M_SECTOR_SIZE;
}
else{
ptr=__Get(DEVICEINFO);
if(memcmp((u8*)ptr,DiskDevInfo_8M,3)==0){
flash_mode=FLASH_8M;
SectorSize = FLASH_8M_SECTOR_SIZE;
}
else {
flash_mode=FLASH_2M;
SectorSize = FLASH_2M_SECTOR_SIZE;
}
}
if (SectorSize>LARGEST_SECTOR_SIZE) { //This should never happen
SectorSize = 0;
return 255;
}
if(flash_mode==FLASH_2M){ //root dir starting/ending addresses
RootStart=0x00004000;
RootStop =0x00007F00;
}else{
RootStart=0x00003000;
RootStop =0x00006F00;
}
return 0;
}
/*******************************************************************************
Print_Clk: progress indicator
*******************************************************************************/
void Print_Clk(u8 Phase)
{
if((AutoSaveBuf==0)||(ChartLogic()==0))Print_Str(250,0,0x0405,INV,(char*)Clk[Phase]);
}
/*******************************************************************************
Open the specified file extension input: The file extension return value: 0x00 = successful
*******************************************************************************/
u8 Make_Filename(u8 FileNum, char* FileName)
{
char Num[4];
u8ToDec3(Num, FileNum,0);
FileName[4] = Num[0];
FileName[5] = Num[1];
FileName[6] = Num[2];
return InitFileSystem();
}
/*******************************************************************************
Obtained corresponds to the current color palette number
*******************************************************************************/
u8 Color_Num(u16 Color) //for 16 color BMP's
{
if(Color == WHT) return 0;
//else if(Color== CYAN ) return 1;
else if((Color== CYAN)||(Color==0xEF60)||(Color==0xF7A0)) return 1;
//else if(Color== YEL ) return 3;
else if((Color== YEL) ||(Color==0x077D)||(Color==0x07BE)) return 3;
else if(Color== PURPL ) return 5;
else if(Color== GRN ) return 7;
//else if(Color== CYAN_ ) return 2;
else if((Color==CYAN_)||(Color==0xDEE0))return 2; //include alt fast dims
//else if(Color== YEL_ ) return 4;
else if((Color== YEL_)||(Color==0x06FB))return 4;
else if(Color== PURPL_) return 6;
else if(Color== GRN_ ) return 8;
else if(Color== GRAY ) return 9;
else if(Color== ORANGE) return 10;
else if(Color== BLUE ) return 11;
else if(Color== RED ) return 12;
//else return 13;
else if(Color== BLACK ) return 13; //add black as viable color so background saves properly
else if(Color== 0x87F0) return 14; //bright green used in serial decoding hex values and arrows added
else if(Color== 0x7BEF) return 15; //dark gray for i2c arrows
else return 9; //anything else would be grid background mixed with something so show grid, not black holes
}
u8 Save_Img(void){
u32 i;
u16 j=0,k=0;
char ChkSum=0,RChkSum=0;
u16 pCluster[3];
u32 pDirAddr[1];
if (InitFileSystem()!=0) return 10; //does not use make_filename so may not be initiated
if(__OpenFileWr(SecBuff,"ROM_IMG BIN", pCluster, pDirAddr)!=OK) return DISK_ERR;
for(i=0;i<0x80000;i++){ //SecBuff here will be either 512 or 4096
SecBuff[j]=*(char*)(0x8000000+i);
ChkSum^=SecBuff[j];
if(++j>=SectorSize){
if (WriteSector(k++,(u16*)pCluster,(u32*)pDirAddr))return WR_ERR;
j=0;
}
}
if(__CloseFile(SecBuff,0x80000,pCluster,pDirAddr)!= OK) return WR_ERR;
i=__OpenFileRd(SecBuff,"ROM_IMG BIN",pCluster,pDirAddr); //check file for checksum
if(i != OK) return i;
j=0;
for(i=0;i<0x80000;i++){
if((j>=SectorSize)||(j==0)){
j=0;
if(__ReadFileSec(SecBuff,pCluster)!= OK) return RD_ERR;
Print_Clk((k++>>1)& 3); // progress indication
}
RChkSum^=SecBuff[j++];
}
if(RChkSum!=ChkSum)return WR_ERR;
return 0;
}
/*******************************************************************************
Load_Dat: Load the saved screen image of the original data input: The file number return value: 0x00 = successful
*******************************************************************************/
u8 Load_Dat(u8 FileNum)
{
char Filename[12] = "FILE DAT";
u16 i;
u16 pCluster[3];
u32 pDirAddr[1];
if ((Current==9)&&(_Det==3)){
for(i=0;i<8;i++)Filename[i]=SelectedFileName[i];
}else{
if (Make_Filename(FileNum, Filename)!=0) return 1;
}
i = __OpenFileRd(SecBuff, Filename, pCluster, pDirAddr);
if(i != OK) return i;
if(flash_mode==FLASH_2M){
for(i=0; i<4; i++){
if(__ReadFileSec(SecBuff, pCluster)!= OK) return RD_ERR;
memcpy(&FileBuff[i*400], SecBuff,400);
}
}
else{
if(__ReadFileSec(SecBuff, pCluster)!= OK) return RD_ERR;
for(i=0; i<4; i++)
memcpy(&FileBuff[i*400], &SecBuff[i*512],400);
}
return 0;
}
/*******************************************************************************
Save_Dat: save current screen to display the original image data input: the file number return value: 0x00 = success
*******************************************************************************/
u8 Save_Dat(u8 FileNum)
{
char Filename[13] = "FILE DAT";
u16 i, j;
u16 pCluster[3];
u32 pDirAddr[1];
if ((Current==9)&&(_Det==3)){
for(i=0;i<8;i++)Filename[i]=SelectedFileName[i];
}else{
if (Make_Filename(FileNum, Filename)!=0) return 1;
}
if(__OpenFileWr(SecBuff, Filename, pCluster, pDirAddr)!=OK) return DISK_ERR;
memset(SecBuff, 0, LARGEST_SECTOR_SIZE);//512
if(flash_mode==FLASH_8M){
for(j=0; j<4; j++){
for(i=0; i<397; i++) SecBuff[i+j*512] = TrackBuff[i*4 + j];
SecBuff[397+j*512] = Title[j][POSI].Value;
}
if (WriteSector(j,(u16*)pCluster,(u32*)pDirAddr))return WR_ERR;
}
else
{
for(j=0; j<4; j++){
for(i=0; i<397; i++) SecBuff[i]= TrackBuff[i*4 + j];
SecBuff[397] = Title[j][POSI].Value;
if (WriteSector(j,(u16*)pCluster,(u32*)pDirAddr))return WR_ERR;
}
}
if(__CloseFile(SecBuff, 0x0800, pCluster, pDirAddr)!= OK) return WR_ERR;
return OK;
}
/*******************************************************************************
Save_Bmp: save the current screen image as BMP input: file number return value: 0x00 = successful
*******************************************************************************/
u8 Save_Bmp(u8 FileNum)
{
u32 FileSize;
char Filename[12] = "IMAG BMP";
u16 k, i,x=0, y=0, j, ColorH, ColorL; //, tmp; // j, ColorH, ColorL;
register u16 tmp;
u16 pCluster[3];
u32 pDirAddr[1];
if ((Current==9)&&(_Det==3)){
for(i=0;i<8;i++)Filename[i]=SelectedFileName[i];
}else{
if (Make_Filename(FileNum, Filename)!=0) return 1;
}
if(__OpenFileRd(SecBuff, Filename, pCluster, pDirAddr)==0){ // original file exists
if(OverWriteWarn())return 200;
if(DeleteFile(SecBuff,Filename))return WR_ERR;
}
if(__OpenFileWr(SecBuff, Filename, pCluster, pDirAddr)!=OK) return DISK_ERR;
if((_4_source==10)||(_4_source==11)){ //only save in 64K color if displaying spectrograph or map
memcpy(SecBuff, BmpHead64, 66); //64K COLOR BMP
i = 0x0042; // the image data stored address
k = 0;
for(y=0; y<240; y++){
for(x=0; x<400 ; x++){
__Point_SCR(x, y);
tmp =__LCD_GetPixl();
SecBuff[i++]=tmp&0xFF; SecBuff[i++]=tmp>>8;
if(i>=SectorSize){ //512
if (WriteSector(k++,(u16*)pCluster,(u32*)pDirAddr))return WR_ERR;
i=0;
}
}
}
FileSize=0x2F000;
}else{
memcpy(SecBuff, BmpHead16, 54); //16 COLOR BMP
i = 0x0036; // palette to store the starting address
for(j=0; j<16; ++j){
SecBuff[j*4 +i+0]=(BMP_Color[j]& 0xF800)>>8; // Blue
SecBuff[j*4 +i+1]=(BMP_Color[j]& 0x07E0)>>3; // Green
SecBuff[j*4 +i+2]=(BMP_Color[j]& 0x001F)<<3; // Red
SecBuff[j*4 +i+3]= 0; // Alpha
}
i = 0x0076; // the image data stored address
k = 0;
for(y=0; y<240; y++){
for(x=0; x<400 ; x+=2){
__Point_SCR(x, y);
ColorH =__LCD_GetPixl();
__Point_SCR(x+1, y);
ColorL =__LCD_GetPixl();
SecBuff[i] =(Color_Num(ColorH)<<4)+ Color_Num(ColorL);
i++;
if(i>=SectorSize){
if (WriteSector(k++,(u16*)pCluster,(u32*)pDirAddr))return WR_ERR;
i=0;
}
}
}
FileSize=0xBC00;
}
if(i!=0){
i=WriteFileSec(SecBuff, pCluster, pDirAddr);
if(i)return i;
}
if(__CloseFile(SecBuff, FileSize, pCluster, pDirAddr)!= OK) return WR_ERR; //2nd var just seems to be size stamp, alterbios
return 0; //does not seem to care
}
u8 Load_Bmp(u8 FileNum){
u8 i,y,start,FinishFactor;
u16 j,h,x;
char Filename[13] = "IMAG BMP";
u16 pCluster[3];
u32 pDirAddr[1];
if ((Current==9)&&(_Det==3)){
for(i=0;i<8;i++)Filename[i]=SelectedFileName[i];
}else{
if (Make_Filename(FileNum, Filename)!=0) return 1;
}
i = __OpenFileRd(SecBuff, Filename, pCluster, pDirAddr);
if(i != OK) return i;
if(__ReadFileSec(SecBuff, pCluster)!= OK) return RD_ERR;
if(flash_mode==FLASH_8M)FinishFactor=8; else FinishFactor=1;
if(SecBuff[28]==16){ //if file is 64k color type
x=0;
y=0;
for(h=0; h<(376/FinishFactor); h++){
if(h==0)start=66;else start=0;
for(j=start;j<(512*FinishFactor);j+=2){
__Point_SCR(x,y);
__LCD_SetPixl(((u16)(SecBuff[j+1]<<8))|SecBuff[j]);
if(x<399)x++;else {x=0;y++;}
if((x>=399)&&(y>=239))goto EndOfFile;
}
if(__ReadFileSec(SecBuff, pCluster)!= OK) return RD_ERR;
}
}else if(SecBuff[28]==4){ //16 color type
x=0;
y=0;
for(h=0; h<(96/FinishFactor); h++){
if(h==0)start=0x0076;else start=0;
for(j=start;j<(512*FinishFactor);j++){
__Point_SCR(x,y);
__LCD_SetPixl(BMP_Color[SecBuff[j]>>4]);
__Point_SCR(x+1,y);
__LCD_SetPixl(BMP_Color[SecBuff[j]&0x0F]);
if(x<398)x+=2;else {x=0;y++;}
if((x>=398)&&(y>=239))goto EndOfFile;
}
if(__ReadFileSec(SecBuff, pCluster)!= OK) return RD_ERR;
}
}
EndOfFile:
return 0;
}
/*******************************************************************************
Save_Buf: save the data collection buffer in BUF format input: file number return value: 0x00 = successful
*******************************************************************************/
u8 Save_Buf(u8 FileNum)
{
u8 i;
u16 j;
char Filename[12] = "DATA BUF";
u16* p ;
u16 pCluster[3];
u32 pDirAddr[1];
if ((Current==9)&&(_Det==3)){
for(i=0;i<8;i++)Filename[i]=SelectedFileName[i];
}else{
if (Make_Filename(FileNum, Filename)!=0) return 1;
}
if(__OpenFileRd(SecBuff, Filename, pCluster, pDirAddr)==0){ // original file exists
if((AutoSaveBuf==0)||(ChartLogic()==0)){
if(OverWriteWarn())return 200;
}
if(DeleteFile(SecBuff,Filename))return WR_ERR;
}
if(__OpenFileWr(SecBuff, Filename, pCluster, pDirAddr)!=OK) return DISK_ERR;
if(OSBufferLogic()){ //store OS data in unused part of DataBuf
for(i=0;i<2;i++){
for(j=512;j<1024;j++){
DataBuf[j+(i*512)]&=0x00FFFFFF;
DataBuf[j+(i*512)]|=(u32)OsFFTData[i][j-512]<<24;
}
}
for(i=0;i<2;i++){
for(j=1536;j<2048;j++){
DataBuf[j+(i*512)]&=0x00FFFFFF;
DataBuf[j+(i*512)]|=(u32)RMSdata[i][j-1536]<<24;
}
}
}
for(i=0; i<(BUFFER_SIZE/SectorSize); i++){ // < 16384/ 512 or 4096 = 32 or 4
memcpy(SecBuff, &(DataBuf[i*SectorSize/4]), SectorSize);
if (WriteSector(i,(u16*)pCluster,(u32*)pDirAddr))return WR_ERR;
}
memset(SecBuff, 0, 512);
p =(u16*)SecBuff;
for(i=0; i<4; i++){ // save each corresponding value in the display menu
*p++ = Title[i][0].Value;
*p++ = Title[i][1].Value;
*p++ = Title[i][2].Value;
*p++ = Title[i][3].Value;
}
*p++ = Title[6][0].Value;
*p++ = Title[6][1].Value;
*p++ = 0x00FF & Ka1[_A_Range];
*p++ = Ka2[_A_Range];
*p++ = 0x00FF & Kb1[_B_Range];
*p++ = Kb2[_B_Range];
*p++ = OSBuffer;
*p++ = FlagFrameMode;
*p++ = OSAvg;
*p++ = SubIndex;
*p++ = Title[7][0].Value;
*p++ = Title[7][1].Value;
*p++ = ChartMode;
j=WriteFileSec(SecBuff, pCluster, pDirAddr);
if(j)return j;
if(__CloseFile(SecBuff, 0x4200, pCluster, pDirAddr)!= OK) return WR_ERR;
return 0;
}
u8 WriteFileSec(u8* SecBuff, u16* pCluster, u32* pDirAddr){
if( ((flash_mode==FLASH_8M)&&(*pCluster>2040))|| //abort file write if at end of drive space
((flash_mode==FLASH_2M)&&(*pCluster>4031)) ){ //Alterbios does not seem to return much of anything,
__CloseFile(SecBuff, 0, pCluster, pDirAddr); //doesn't return anything in SecBuff and pDirAddr
return OVER; //so may not return pCluster either, ends OK though, at
}else{ //least doesn't loop around to destroy the FAT
if(__ProgFileSec(SecBuff, pCluster)!= OK) return WR_ERR;
}
return 0;
}
u8 Load_Arbt(u8 FileNum){
u8 *p;
u16 i,Sample=0;
u8 Tmp,j=0,Start=0;
char ParseStr[6];
u16 pCluster[3];
u32 pDirAddr[1];
char Filename[12] = "DATA ARB";
if ((Current==9)&&(_Det==3)){
for(i=0;i<8;i++)Filename[i]=SelectedFileName[i];
}else{
if (Make_Filename(FileNum, Filename)!=0) return 1;
}
i = __OpenFileRd(SecBuff, Filename, pCluster, pDirAddr);
if(i != OK) return i;
if(__ReadFileSec(SecBuff, pCluster)!= OK) return RD_ERR;
p=(u8*)SecBuff;
while(*p==48){p++;Start++;} //strip off any leading 0's
while(*p!=44){
if((*p>47)&&(*p<58))ParseStr[j++]=*p++;else p++; //retrieve "header" containing number of samples to be used
Start++;
if((j>3)||(Start>200))return 1; //return ERR if samples >3 digits or comma not found after 200 chars
} //break out and continue once comma delimiter is found
p++; //move past delimiter
ArbtSampleNumber=AsciiToU16(ParseStr,j);
j=0;
if((ArbtSampleNumber<2)||(ArbtSampleNumber>720)) //return ERR if number of samples out of range
{ArbtSampleNumber=0;return 1;}
while(Sample<720){
for(i=Start;i<SectorSize;i++){
Tmp=*p++;
if(Tmp==44){ //once delimiter found, convert and load value
ATT_DATA[Sample]= AsciiToU16(ParseStr,j);
if(ATT_DATA[Sample]<0)ATT_DATA[Sample]=0;
if(ATT_DATA[Sample]>4095)ATT_DATA[Sample]=4095; //clip if out of range
j=0; Sample++; //reset string position counter and advance sample position
}else{ //start loading string here
if((Tmp>47)&&(Tmp<58))ParseStr[j++]=Tmp; //eliminate white space or other non relevant chars
if(j>4)j=4; //limit to 5 valid characters
}
if(Sample>(ArbtSampleNumber-1))goto EndOfFile; //if sample goes to ArbtSampleNmber, is now past base 0 sample number index
}//for(i=Start
Start=0;
if(__ReadFileSec(SecBuff, pCluster)!= OK) return RD_ERR;
p=(u8*)SecBuff;
}
EndOfFile:
return 0;
}
u8 ReadDir(char *ext){ //Load 15 filenames matching extension in Label, starting with match # DirRange
u16 n,EntryCounter=0; //returns the number of files found and loaded in Label[15], up to 15
u8 i;
u32 pDirAddr[1];
u8 pBuffer[266];
u8 LabelIndex=0;
for(n=0;n<15;n++){
for(i=0;i<13;i++)Label[n][i]=0;
}
for(*pDirAddr=RootStart; *pDirAddr<=RootStop;){ //scan for filenames in root directory
if(__ReadDiskData(pBuffer, *pDirAddr, 256)!= OK) //return and display error
{FileMessage(0xFF);return 0;}
for(n=0; n<256;n+=32){
if(pBuffer[n]==0)return LabelIndex; //no more entries, partially filled list page
if((pBuffer[n+8]==ext[0])&&(pBuffer[n+9]==ext[1]) //look for file extension match
&&(pBuffer[n+10]==ext[2])&&(pBuffer[n]!=0xE5)){ //and exclude deleted files
if(EntryCounter>=DirRange){ //start offset for next page
for(i=0;i<8;i++)Label[LabelIndex][i]=pBuffer[n+i]; //copy first 8 chars of filename
Label[LabelIndex][8]=0x2E; //"."
for(i=0;i<3;i++)Label[LabelIndex][9+i]=ext[i]; //extension
LabelIndex++;
}
EntryCounter++;
}
if(LabelIndex>=15)return LabelIndex; //page is full
*pDirAddr += 32; //move down one entry
}
}
return LabelIndex;
}
u8 DeleteFile(u8* pBuffer, char* FileName){
u32 pDirAddr[1];
u16 pCluster[1];
u16 i=0,n,End,DirPageSize,Offset;
u8 WritePageNumber;
if(flash_mode==FLASH_2M){
End=256;
DirPageSize=0x1800;
WritePageNumber=24;
}else{
End=4096;
DirPageSize=4096;
WritePageNumber=1;
}
for(*pDirAddr=RootStart; *pDirAddr<=RootStop;){ //scan for filename in root directory
if(__ReadDiskData(pBuffer, *pDirAddr, End)!= OK)return RD_ERR;
for(n=0; n<End; n+=32){
for(i=0; i<11; i++){
if(pBuffer[n + i]!= 0){
if(pBuffer[n+i]!=FileName[i]) break;
if(i == 10){
*pCluster=*(u16*)(pBuffer+n+0x1A); //starting cluster in FAT table for selected file
goto FileNameFound; //n represents the offset
}
}
}
}
*pDirAddr+=End;
}
return RD_ERR;
FileNameFound:
pBuffer[n]=0xE5; //write deleted file flag at address offset 0 in pBuffer
if(__ProgDiskPage(pBuffer,*pDirAddr)!=0)return WR_ERR; //write section back to disk (4096 bytes for 8M, 256 for 2M)
if(__ReadDiskData(pBuffer,FatStart,DirPageSize)!= OK)return RD_ERR; //2MB is 0x1800 long
if(*pCluster<2)return RD_ERR;
do{ //Follow the white rabbit, but don't get lost, or your files will end up cross-linked!
Offset=*pCluster+(*pCluster/2); //scale address to accommodate extra nibbles
if(flash_mode==FLASH_8M){
if(Offset>=3072)return RD_ERR;
if(i++>2048)return RD_ERR; //all good things MUST come to an end
}else{
if(Offset>=6144)return RD_ERR;
if(i++>4096)return RD_ERR;
}
if(*pCluster&1){
*pCluster=pBuffer[Offset+1]; //Most Significant byte, save value pointing to next link before zeroing
*pCluster=(*pCluster<<4)+(pBuffer[Offset]>>4); //Shift to proper position and add little endian nibble
pBuffer[Offset]&=0x0F; //zero, to release link
pBuffer[Offset+1]=0;
}else{
*pCluster=pBuffer[Offset+1]&0x0F; //Construct 12 bit entry within proper 2 bytes of double entry "triplet",
*pCluster=(*pCluster<<8)+pBuffer[Offset]; //depending on whether the entry number is odd or even.(Convolutions
pBuffer[Offset]=0; //courtesy of Microsoft et al. who just HAD to pack a 12 bit entry into
pBuffer[Offset+1]&=0xF0; //1.5 bytes instead of 2, thus saving a small fraction of 1% of drive
} //space on a typical floppy; bytes were precious in the age of floppies...)
}while(*pCluster<0xFF0);
for(i=0;i<WritePageNumber;i++){
if(__ProgDiskPage(pBuffer+(i*256),FatStart+(i*256))!=0)return WR_ERR; //write section back to disk
}
if(flash_mode==FLASH_8M){ //synch FAT2 with FAT1
if(__ReadDiskData(pBuffer,0x1000,0x1000)!= OK) return RD_ERR;
if(__ProgDiskPage(pBuffer,0x2000)!= OK) return WR_ERR;
}
else{
for(i=0; i<24; i++){
if(__ReadDiskData(pBuffer,0x1000+(i*256),256)!=OK)return RD_ERR;
if(__ProgDiskPage(pBuffer,0x2800+(i*256))!= OK)return WR_ERR;
}
}
if(*pCluster<0xFF0)return RD_ERR;
return 0;
}
void FileMessage(u8 i){
//const char ErrorCode[5][6]={" OK "," FULL"," NONE"," ERR"," CNCL"};
if((i==3)||(i==4))i-=2; else{
if(i==200)i=4;else if(i>0)i=3;
}
Print_Str(230, 0,0x050A, PRN,(char*)ErrorCode[i]);
if((_Curr[2].Value==BUF)&&(_Curr[0].Value == LOAD))Delayms(300);else Delayms(900);
_Curr[1].Flag |= UPDAT;
_Curr[2].Flag |= UPDAT;
}
u8 Load_Uart(u8 FileNum){
u16 n=0;
u8 i;
u16 pCluster[3];
u32 pDirAddr[1];
u8 pBuffer[266];
char Filename[12] = "DATA UAR";
UartFileSize=0;
if ((Current==9)&&(_Det==3)){
for(i=0;i<8;i++)Filename[i]=SelectedFileName[i];
}else{
if (Make_Filename(FileNum, Filename)!=0) return 1;
}
i = __OpenFileRd(SecBuff, Filename, pCluster, pDirAddr);
if(i != OK) return i;
if(FileEntryAdd(pBuffer, pDirAddr, Filename)!=OK)return RD_ERR; //retrieve filename dir entry address
if(__ReadDiskData(pBuffer, *pDirAddr+28, 4)!= OK)return RD_ERR; //read file size value at offset 28 of FAT12 directory entry
for(n=0;n<4;n++)UartFileSize+=(u32)pBuffer[n]<<(n*8); //assemble u32 value from 4 bytes
if(UartFileSize>4096)UartFileSize=4096; //limit to size of SecBuff
//if(UartFileSize>0x1800)UartFileSize=0x1800; //limit to size of SecBuff
n=0;
while(n<UartFileSize){
if(__ReadFileSec(&SecBuff[n], pCluster)!= OK) return RD_ERR;
n+=SectorSize;
}
return 0;
}
u8 FileEntryAdd(u8* pBuffer, u32* pDirAddr, char* Filename){ //writes directory filename entry address in pDirAddr
u16 n;
u8 i;
for(*pDirAddr=RootStart; *pDirAddr<=RootStop;){ //scan for filename in root directory
if(__ReadDiskData(pBuffer, *pDirAddr, 256)!= OK)return RD_ERR;
for(n=0; n<256; n+=32){
for(i=0; i<11; i++){
if(pBuffer[n + i]!= 0){
if(pBuffer[n + i]!= Filename[i]) break;
if(i == 10){
return OK; //with complete filename match, hold Directory address
}
}
}
*pDirAddr += 32;
}
}
return RD_ERR;
}
/*******************************************************************************
Load_Buf: load saved data into acquisition buffer input: file number return value: 0x00 = successful
*******************************************************************************/
u8 Load_Buf(u8 FileNum)
{
u8 i,j;
u16 h;
char Filename[13] = "DATA BUF";
u16 *p;
u16 pCluster[3];
u32 pDirAddr[1];
save_parameter();
if ((Current==9)&&(_Det==3)){
for(i=0;i<8;i++)Filename[i]=SelectedFileName[i];
}else{
if (Make_Filename(FileNum, Filename)!=0) return 1;
}
i = __OpenFileRd(SecBuff, Filename, pCluster, pDirAddr);
if(i != OK) return i;
for(i=0; i<((BUFFER_SIZE/SectorSize)); i++){
if(__ReadFileSec(SecBuff, pCluster)!= OK) return RD_ERR;
memcpy(&(DataBuf[i*SectorSize/4]),SecBuff,SectorSize);
}
if(__ReadFileSec(SecBuff, pCluster)!= OK) return RD_ERR;
p =(u16*)SecBuff;
for(i=0; i<4; i++){
for(j=0;j<4;j++){
Title[i][j].Value = *p++; // restore
Title[i][j].Flag = UPDAT;
}
}
Title[6][0].Value = *p++;
Title[6][1].Value = *p++;
Title[6][0].Flag = UPDAT;
Title[6][1].Flag = UPDAT;
Ka1[_A_Range] = (*p++ );
Ka2[_A_Range] = (*p++ );
Kb1[_B_Range] = (*p++);
Kb2[_B_Range] = (*p++);
OSBuffer = *p++;
FlagFrameMode = *p++;
OSAvg = *p++;
SubIndex = *p++;
Title[7][0].Value = *p++;
Title[7][1].Value = *p++;
Title[7][0].Flag = UPDAT;
Title[7][1].Flag = UPDAT;
Title[7][2].Flag = UPDAT;
ChartMode = *p++;
if(ChartMode>1)ChartMode=0;
if(Title[3][0].Value < 11){ //set proper menu sub items for ch 4
if(Detail[3]==2)Detail[3]++;
}else{
if(Detail[3]==3)Detail[3]--;
}
if(OSBufferLogic()){ //restore OS data
for(i=0;i<2;i++){
for(h=512;h<1024;h++){
OsFFTData[i][h-512]=DataBuf[h+(i*512)]>>24;
}
}
for(i=0;i<2;i++){
for(h=1536;h<2048;h++){
RMSdata[i][h-1536]=DataBuf[h+(i*512)]>>24;
}
}
}
Title[RUNNING][STATE].Value = 2; // set to "HOLD" status
Title[RUNNING][STATE].Flag |= UPDAT; // set the update flag
XposRef=GetXposRef(_X_posi.Value);
UpdateFileMenu();
BufferRestore=1;
return 0;
}
void save_parameter(void){
u16 *p;
u8 i,j;
if(TempPar[0]!=0xAA55){ //do not save temp parameters again if already saved, indicates original parms not restored
p = TempPar; //and BUF parameters still active from previous BUF load(s)
*p++ = 0xAA55;
for(i=0; i<4; i++){ // save each corresponding value in the display menu
for(j=0;j<4;j++)*p++ = Title[i][j].Value;
}
*p++ = Title[6][0].Value;
*p++ = Title[6][1].Value;
for(i=0; i<8; i++){
*p++ = 0x00FF & Ka1[i];
*p++ = Ka2[i];
*p++ = 0x00FF & Kb1[i];
*p++ = Kb2[i];
}
*p++ = OSBuffer;
*p++ = FlagFrameMode;
*p++ = OSAvg;
*p++ = Title[6][2].Value; //xpos
*p++ = SubIndex;
*p++ = Title[7][0].Value;
*p++ = Title[7][1].Value;
*p++ = Detail[3]; //sub menu position of ch 4
*p++ = ChartMode;
}
}
void reset_parameter(void)
{
u16* p;
u8 i,j;
p=TempPar;
p++;
if(TempPar[0]!=0xAA55) return;
for(i=0; i<4; i++){
for(j=0;j<4;j++){
Title[i][j].Value = *p++; // restore
Title[i][j].Flag = UPDAT;
}
}
Title[6][0].Value = *p++;
Title[6][1].Value = *p++;
Title[6][0].Flag = UPDAT;
Title[6][1].Flag = UPDAT;
for(i=0; i<8; i++){
Ka1[i] = (s8)(*p++ );//& 0xff);
Ka2[i] = (*p++ );
Kb1[i] = (s8)(*p++);// & 0xff);
Kb2[i] = (*p++);
}
OSBuffer = *p++;
FlagFrameMode = *p++;
OSAvg = *p++;
Title[6][2].Value = *p++;
SubIndex = *p++;
Title[7][0].Value = *p++;
Title[7][1].Value = *p++;
Title[7][0].Flag = UPDAT;
Title[7][1].Flag = UPDAT;
Title[7][2].Flag = UPDAT;
Detail[3] = *p++; //sub menu position of ch 4
ChartMode = *p++;
p = TempPar;
*p++ = 0;
}
u8 WriteSector(u16 n, u16* pCluster,u32* pDirAddr){
Print_Clk((n >>1)& 3); // progress indicator
return WriteFileSec(SecBuff, pCluster, pDirAddr);
}
u8 CSVdataModeLogic(void){
return((((OSBuffer==0)||(_T_base>16))&&(DigChLockout==0)&&((!ChartLogic())||(ChartMode==0)))
&&((_3_source)||(_4_source==1)||(_4_source==4)||(_4_source==5)) );
}
s32 CSVdata(u8 Ch,u8 Inv,u16 i,u8 data){
u8 range=Title[Ch][RANGE].Value;
s32 temp;
s8 *p1[2];u16 *p2[2];
p1[0]=Ka1;p1[1]=Kb1;p2[0]=Ka2;p2[1]=Kb2;
p1[Ch]+=range;temp=*p1[Ch]+((data-ADCoffset)-Title[Ch][POSI].Value);
p2[Ch]+=range;if(CalFlag>0)temp=(*p2[Ch]*temp)/1024;
temp*= Y_Attr[range].SCALE;
if(Title[Ch][SOURCE].Value>2)temp*=10;
if(Inv)temp=-temp;
return temp;
}
/*******************************************************************************
Save_Csv: save the acquisition buffer in CSV format input: file number return value: 0x00 = successful
*******************************************************************************/
u8 Save_Csv(u8 FileNum)
{
char Num[4][6];
char Val[4];
char Filename[12] = "DATA CSV";
u32 i, k = 0,length = SectorSize;
s32 temp;
u8 count, j,h=1,m=1;
u16 n = 0;
u16 pCluster[3];
u32 pDirAddr[1];
if ((Current==9)&&(_Det==3)){
for(i=0;i<8;i++)Filename[i]=SelectedFileName[i];
}else{
if (Make_Filename(FileNum, Filename)!=0) return 1;
}
length = SectorSize;
if(__OpenFileRd(SecBuff, Filename, pCluster, pDirAddr)==0){ // original file exists
if((AutoSaveBuf==0)||(ChartLogic()==0)){ // overwrite file unconditionally in chart auto save mode
if(OverWriteWarn())return 200;
}
if(DeleteFile(SecBuff,Filename))return WR_ERR;
}
if(__OpenFileWr(SecBuff, Filename, pCluster, pDirAddr)!=OK) return DISK_ERR;
//============================================HEADERS===========================================
memcpy(&SecBuff[k],SPeriod,7);k+=7;
if(ChartLogic()){memcpy(&SecBuff[k],SubSamplingPeriod[SubIndex-1],8);k+=8;}
else {memcpy(&SecBuff[k],SamplingPeriod[_T_base],8);k+=8;}
SecBuff[k++]=0x2C;
for(i=0;i<4;i++){
if(CSVdataModeLogic()){
memcpy(&SecBuff[k],Offset,4);k+=4;
u8ToDec3(Val,Title[i][POSI].Value,0);
memcpy(&SecBuff[k],Val,3);k+=3;
}
if(i<2){
if(CSVdataModeLogic()){
memcpy(&SecBuff[k],DigSampling[i],7);k+=7;
if(Title[i][0].Value>2){memcpy(&SecBuff[k],AmplitudeX10Steps[Title[i][RANGE].Value],6);k+=6;}
else {memcpy(&SecBuff[k],AmplitudeSteps[Title[i][RANGE].Value],6);k+=6;}
}else if(((OSBuffer)&&(_T_base<17))||((ChartLogic())&&(ChartMode))){
memcpy(&SecBuff[k],OSsampling[i],13);k+=13;
}else{
memcpy(&SecBuff[k],Sampling[i],13);k+=13;
}
}else{
if(CSVdataModeLogic()){
memcpy(&SecBuff[k],DigSampling[i],10);k+=10;
}else if(((OSBuffer)&&(_T_base<17))||((ChartLogic())&&(ChartMode))){
memcpy(&SecBuff[k],OSsampling[i],13);k+=13;
}else{
SecBuff[k++]=0x2C;
break;