//**************************************************************************************
//*** asCARD_Detect
//***
//***
//**************************************************************************************
int asCARD_Detect()
{
if(MDD_MediaDetect())
{
gCardState |= CARD_DETECTED;
return 1;
}
else
{
gCardState &= ~CARD_DETECTED;
return 0;
}
}
/************************************************************************
Function: void MonitorDriveMedia( void )
Precondition: None
Overview: This function calls the background tasks necessary to support
USB Host operation. Upon initial insertion of the media, it
initializes the file system support and reads the volume label.
Upon removal of the media, the volume label is marked invalid.
Input: None
Output: None
*************************************************************************/
void MonitorDriveMedia(void)
{
BYTE mediaPresentNow;
BYTE mountTries;
SearchRec searchRecord;
#if defined ENABLE_USB_MSD_DEMO
// Call to USBTasks() is assumed to be done in the main. If not you can
// call it here.
//USBTasks();
mediaPresentNow = USBHostMSDSCSIMediaDetect();
#elif defined ENABLE_SD_MSD_DEMO
mediaPresentNow = MDD_MediaDetect();
#endif
if(mediaPresentNow != mediaPresent)
{
if(mediaPresentNow)
{
mountTries = 10;
while(!FSInit() && mountTries--);
if(!mountTries)
{
//UART2PrintString("APP: Could not mount media\r\n");
mediaPresent = FALSE;
}
else
{
mediaPresent = TRUE;
// Find the volume label. We need to do this here while we are at the
// root directory.
if(!FindFirst("*.*", ATTR_VOLUME, &searchRecord))
{
strcpy(volume.label, searchRecord.filename);
volume.valid = TRUE;
}
}
}
else
{
mediaPresent = FALSE;
volume.valid = FALSE;
}
}
}
uint8_t fsmanMountSD(uint8_t * result_code){
uint8_t ret=0;
MEDIA_INFORMATION *mediainfo = MDD_MediaInitialize();
if(mediainfo->errorCode != MEDIA_NO_ERROR){
__debug("MDD media init failed");
}
if(MDD_MediaDetect() == 0){
__debug("MDD media detect failed");
return 0;
}
if(FSInit() == 0){
__debug("FSInit failed");
return 0;
}
return 1;
}
/*=====================================================================================================================
* Parameters: void
*
* Return: void
*
* Description:
*===================================================================================================================*/
void FSIO_Task(void)
{
switch(CardState)
{
//------------------------------------------------------------------------------------------------------------------
case cInitState:
OSStartTimer(&CardInitTimer);
CardState = eCardWaitState;
_DioWritePin(cDioPin_SD_CardLed, 1);
break;
//------------------------------------------------------------------------------------------------------------------
case eCardInitialize:
// card is inserted, initialize card
if(cFalse != MDD_MediaDetect())
{
if (cFalse != FSInit())
{
// init OK
_set_sd_card_present(1);
_DioWritePin(cDioPin_SD_CardLed, 0);
// load device configuration
Devconfig_LoadConfig();
App_Statemachine_SD_CardCallback(cCallbackCtrlOK);
CardState = eCardInserted;
}
else
{
// init error
_set_sd_card_present(0);
_DioWritePin(cDioPin_SD_CardLed, 1);
CardState = eCardNotPresent;
}
}
else
{
_set_sd_card_present(0);
CardState = eCardNotPresent;
}
break;
//-----------------------------------------------------------------------------------------------------------------
case eCardInserted:
if(cDioCardInsertsed != _DioReadPinFiltered(cDioPin_SD_CardPresent))
{
_set_sd_card_present(0);
_DioWritePin(cDioPin_SD_CardLed, 1);
App_Statemachine_SD_CardCallback(cCallbackCtrlNOK);
CardState = eCardNotPresent;
}
break;
//-------------------------------------------------------------------------------------------------------------------
case eCardNotPresent:
// wait card inserted
if(cDioCardInsertsed == _DioReadPinFiltered(cDioPin_SD_CardPresent))
{
CardState = eCardInitialize;
}
break;
//------------------------------------------------------------------------------------------------------------------
case eCardWaitState:
if(cFalse != OSIsTimerElapsed(&CardInitTimer, cFSIO_DioInitTime_ms/(cOsTimerTickUs/1000UL)))
{
// wait some time before start polling card state
CardState = eCardNotPresent;
}
break;
//-------------------------------------------------------------------------------------------------------------------
default:
_assert(cFalse);
CardState = eCardNotPresent;
break;
}
}
int main (void)
{
FSFILE * pointer=NULL;
DWORD first_sector;
BYTE test_array[512];
SearchRec rec;
pointer=NULL;
unsigned char attributes;
unsigned char size = 0, i;
PLLFBD =38;
CLKDIVbits.PLLPOST=0;
CLKDIVbits.PLLPRE=0;
__builtin_write_OSCCONH(0b011);
__builtin_write_OSCCONL(0b01);
while (OSCCONbits.COSC != 0b011); // Wait for Clock switch to occur
while(OSCCONbits.LOCK != 1) {};
UART2Init();
printf("starting Integration test\r\n");
//DataEEInit();
int id=0;
id=Get_ID_Code();
printf("ID: %u\r\n",id);
OFB_init(id);
Increment_ID_Code();
#ifdef __DEBUG
printf("Clock Switch Complete, Waiting For Media\r\n");
#endif
//waits for a card to be inserted
while (!MDD_MediaDetect());
#ifdef __DEBUG
printf("Media Found, Waiting for FSinit\r\n");
#endif
// Initialize the library
while (!FSInit());
char filename[9];
sprintf(filename,"%05d.bin",id);
// Create a file
printf("filename will be: %s\r\n",filename);
while(pointer==NULL)
{
pointer = FSfopen (filename, "w");
}
#ifdef __DEBUG
printf("File Has been opened\r\n");
#endif
while(1)
{
Service_Spi(pointer);
}
//printf("stuipd thing");
//TRISD=0x0FF;
//setting up pins to show on usb debugger
TRISDbits.TRISD6=1;
TRISAbits.TRISA7=0;
TRISAbits.TRISA6=0;
TRISAbits.TRISA5=0;
TRISAbits.TRISA4=0;
TRISGbits.TRISG0=0;
AD1PCFGLbits.PCFG0=1;
//LATA=1;
//_LATA4=1;
//_RA7=1;
//_LATA6=1;
//_LATA5=1;
//_LATA7=1;
//printf("they should be on now");
//while(1);
//LATAbits.LATA7=0;
//TRISB=0xFFFF;
//AD1PCFGLbits.PCFG1=1;
//Service_Spi();
/*#ifdef __DEBUG
printf("Clock Switch Complete, Waiting For Media\r\n");
#endif
//waits for a card to be inserted
while (!MDD_MediaDetect());
#ifdef __DEBUG
printf("Media Found, Waiting for FSinit\r\n");
#endif
// Initialize the library
while (!FSInit());
char temp;
int character_count,remove_success;
character_count=0;
// Create a file
printf("starting up\r\n");
remove_success=FSremove("WRITE.TXT");
printf("Removal of prev: %d\r\n",remove_success);
pointer = FSfopen ("WRITE.TXT", "w");
if (pointer == NULL)
{
#ifdef __DEBUG
printf("File open failed\r\n");
#endif
while(1);
}
printf("waiting for operation\r\n");
printf("in file resize_test\r\n");
DWORD sizeinbytes;
//need to convert from number of sectors to number of bytes and allocate that much space
sizeinbytes=(DWORD)FILESIZE*(DWORD)512;
printf("Chew Fat: %lu\r\nChew Fat Sectors: %d\r\n",CHEW_FAT_SIZE,CHEW_FAT_SIZE_IN_SECTORS);
//sizeinbytes=3774873*(DWORD)512;
//allocate_size(sizeinbytes,pointer,FALSE);
//FSfclose(pointer);*/
/*FILEallocate_multiple_clusters(pointer,24);
FAT_print_cluster_chain(pointer->cluster, pointer->dsk);
FILEallocate_multiple_clusters(pointer,24);
FAT_print_cluster_chain(pointer->cluster, pointer->dsk);
int numclus,numcount;
//DWORD clusttemp;
printf("First CLuster in main: %lu\r\n",get_First_Sector(pointer));
for (numclus=0;numclus<48;numclus++)
{
for(numcount=0;numcount<512;numcount++)
{
test_array[numcount]=numclus+48;
}
MDD_SDSPI_SectorWrite(get_First_Sector(pointer)+numclus,test_array,FALSE);
}*/
//FILEallocate_multiple_clusters(pointer,24);
//FILEallocate_multiple_clusters(pointer,24);
//FILEallocate_multiple_clusters(pointer,CHEW_FAT_SIZE_IN_SECTORS);
//FSfclose(pointer);
//FILEallocate_multiple_clusters(pointer,4096);
//FSfclose(pointer);
//FILEallocate_multiple_clusters(pointer,1024);
//FILEallocate_multiple_clusters(pointer,1024);
//FSfseek(pointer,0,SEEK_SET);
first_sector=get_First_Sector(pointer);
set_First_Sector(first_sector);
DWORD erasure;
OFB_init(0x1f1f);
//FSfclose(pointer);
//MDD_ShutdownMedia();
printf("done with file allocation\r\n");
#ifdef DMAON
#else
#endif
//while(UART2IsEmpty());
//temp=UART2GetChar();
//write_array[character_count]=temp;
//character_count++;
while(1)
{
Service_Spi(pointer);
}
}
int main (void)
{
FSFILE * pointer;
#if defined(SUPPORT_LFN)
char count = 80;
#endif
char * pointer2;
SearchRec rec;
unsigned char attributes;
unsigned char size = 0, i;
// Initialize and configure Primary PLL, and enabled Secondary Oscillator
PLLFBD = 58; /* M = 60 */
CLKDIVbits.PLLPOST = 0; /* N1 = 2 */
CLKDIVbits.PLLPRE = 0; /* N2 = 2 */
OSCTUN = 0;
__builtin_write_OSCCONH(0x03);
__builtin_write_OSCCONL(0x03);
while (OSCCONbits.COSC != 0x3);
while (_LOCK == 0);
// Activate the RTCC module
__builtin_write_RTCWEN();
Nop();
Nop();
RCFGCALbits.RTCPTR0 = 1;
RCFGCALbits.RTCPTR1 = 1;
// Set it to the correct time
// These values won't be accurate
RTCVAL = 0x0011;
RTCVAL = 0x0815;
RTCVAL = 0x0108;
RTCVAL = 0x2137;
RCFGCAL = 0x8000;
while (!MDD_MediaDetect());
// Initialize the library
while (!FSInit());
#ifdef ALLOW_WRITES
// Create a file
pointer = FSfopen ("FILE1.TXT", "w");
if (pointer == NULL)
while(1);
// Write 21 1-byte objects from sendBuffer into the file
if (FSfwrite (sendBuffer, 1, 21, pointer) != 21)
while(1);
// FSftell returns the file's current position
if (FSftell (pointer) != 21)
while(1);
// FSfseek sets the position one byte before the end
// It can also set the position of a file forward from the
// beginning or forward from the current position
if (FSfseek(pointer, 1, SEEK_END))
while(1);
// Write a 2 at the end of the string
if (FSfwrite (send2, 1, 1, pointer) != 1)
while(1);
// Close the file
if (FSfclose (pointer))
while(1);
// Create a second file
pointer = FSfopen ("Microchip File 1.TXT", "w");
if (pointer == NULL)
while(1);
// Write the string to it again
if (FSfwrite ((void *)sendBuffer, 1, 21, pointer) != 21)
while(1);
// Close the file
if (FSfclose (pointer))
while(1);
#endif
// Open file 1 in read mode
pointer = FSfopen ("FILE1.TXT", "r");
if (pointer == NULL)
while(1);
if (FSrename ("Microchip File 2.TXT", pointer))
while(1);
// Read one four-byte object
if (FSfread (receiveBuffer, 4, 1, pointer) != 1)
while(1);
// Check if this is the end of the file- it shouldn't be
if (FSfeof (pointer))
while(1);
// Close the file
if (FSfclose (pointer))
while(1);
// Make sure we read correctly
if ((receiveBuffer[0] != 'T') ||
(receiveBuffer[1] != 'h') ||
(receiveBuffer[2] != 'i') ||
(receiveBuffer[3] != 's'))
{
while(1);
}
#ifdef ALLOW_DIRS
// Create a small directory tree
// Beginning the path string with a '.' will create the tree in
// the current directory. Beginning with a '..' would create the
// tree in the previous directory. Beginning with just a '\' would
// create the tree in the root directory. Beginning with a dir name
// would also create the tree in the current directory
if (FSmkdir (".\\Mchp Directory 1\\Dir2\\Directory 3"))
while(1);
// Change to 'Directory 3' in our new tree
if (FSchdir ("Mchp Directory 1\\Dir2\\Directory 3"))
while(1);
// Create another tree in 'Directory 3'
if (FSmkdir ("Directory 4\\Directory 5\\Directory 6"))
while(1);
// Create a third file in directory THREE
pointer = FSfopen ("CWD.TXT", "w");
if (pointer == NULL)
while(1);
#if defined(SUPPORT_LFN)
// Get the name of the current working directory
/* it should be "\Mchp Directory 1\Dir2\Directory 3" */
pointer2 = wFSgetcwd ((unsigned short int *)path1, count);
#endif
if (pointer2 != path1)
while(1);
// Simple string length calculation
i = 0;
while(*((unsigned short int *)path1 + i) != 0x00)
{
size++;
size++;
i++;
}
// Write the name to CWD.TXT
if (FSfwrite (path1, size, 1, pointer) != 1)
while(1);
// Close the file
if (FSfclose (pointer))
while(1);
// Create some more directories
if (FSmkdir ("Directory 4\\Directory 5\\Directory 7\\..\\Directory 8\\..\\..\\DIRNINE\\Directory 10\\..\\Directory 11\\..\\Directory 12"))
while(1);
/*******************************************************************
Now our tree looks like this
\ -> Mchp Directory 1 -> Dir2 -> Directory 3 -> Directory 4 -> Directory 5 -> Directory 6
-> Directory 7
-> Directory 8
DIRNINE -> Directory 10
-> Directory 11
-> Directory 12
********************************************************************/
// This will delete only Directory 8
// If we tried to delete Directory 5 with this call, the FSrmdir
// function would return -1, since Directory 5 is non-empty
if (FSrmdir ("\\Mchp Directory 1\\Dir2\\Directory 3\\Directory 4\\Directory 5\\Directory 8", FALSE))
while(1);
// This will delete DIRNINE and all three of its sub-directories
if (FSrmdir ("Directory 4\\DIRNINE", TRUE))
while(1);
// Change directory to the root dir
if (FSchdir ("\\"))
while(1);
#endif
#ifdef ALLOW_FILESEARCH
// Set attributes
attributes = ATTR_ARCHIVE | ATTR_READ_ONLY | ATTR_HIDDEN;
// Functions "FindFirst" & "FindNext" can be used to find files
// and directories with required attributes in the current working directory.
// Find the first TXT file with any (or none) of those attributes that
// has a name beginning with the letters "Mic"
// These functions are more useful for finding out which files are
// in your current working directory
if (FindFirst ("Mic*.TXT", attributes, &rec))
while(1);
// Find file to get "Microchip File 2.TXT"
if (FindNext (&rec))
while(1);
#if defined(SUPPORT_LFN)
// Delete file 2
// If the file name is long
if(rec.utf16LFNfoundLength)
{
// NOTE : "wFSremove" function deletes specific file not directory.
// To delete directories use "wFSrmdir" function
if (wFSremove (rec.utf16LFNfound))
while(1);
}
else
#endif
{
// NOTE : "FSremove" function deletes specific file not directory.
// To delete directories use "FSrmdir" function
if (FSremove (rec.filename))
while(1);
}
#endif
/*********************************************************************
The final contents of our card should look like this:
\ -> Microchip File 1.TXT
-> Mchp Directory 1 -> Dir2 -> Directory 3 -> CWD.TXT
-> Directory 4 -> Directory 5 -> Directory 6
-> Directory 7
*********************************************************************/
while(1);
}
int main (void)
{
FSFILE * pointer;
#if defined(SUPPORT_LFN)
char count = 80;
#endif
char * pointer2;
SearchRec rec;
unsigned char attributes;
unsigned char size = 0, i;
// Turn on the secondary oscillator
__asm__ ("MOV #OSCCON,w1");
__asm__ ("MOV.b #0x02, w0");
__asm__ ("MOV #0x46, w2");
__asm__ ("MOV #0x57, w3");
__asm__ ("MOV.b w2, [w1]");
__asm__ ("MOV.b w3, [w1]");
__asm__ ("MOV.b w0, [w1]");
// Activate the RTCC module
__asm__ ("mov #NVMKEY,W0");
__asm__ ("mov #0x55,W1");
__asm__ ("mov #0xAA,W2");
__asm__ ("mov W1,[W0]");
__asm__ ("nop");
__asm__ ("mov W2,[W0]");
__asm__ ("bset RCFGCAL,#13");
__asm__ ("nop");
__asm__ ("nop");
RCFGCALbits.RTCPTR0 = 1;
RCFGCALbits.RTCPTR1 = 1;
// Set it to the correct time
// These values won't be accurate
RTCVAL = 0x0007;
RTCVAL = 0x0717;
RTCVAL = 0x0208;
RTCVAL = 0x2137;
RCFGCAL = 0x8000;
#if defined(__PIC24FJ256DA210__)
// Make Analog Pins Digital
ANSB = 0x0000 ;
ANSA = 0x0000;
ANSC = 0x0000;
ANSD = 0x0000;
// Enable PLL
CLKDIVbits.PLLEN = 1;
// Configure SPI1 PPS pins (ENC28J60/ENCX24J600/MRF24WB0M or other PICtail Plus cards)
__builtin_write_OSCCONL(OSCCON & 0xbf); // unlock PPS
RPOR1bits.RP2R = 8; // assign RP2 for SCK1
RPOR0bits.RP1R = 7; // assign RP1 for SDO1
RPINR20bits.SDI1R = 0; // assign RP0 for SDI1
__builtin_write_OSCCONL(OSCCON | 0x40); // lock PPS
#elif defined(__PIC24FJ256GB110__)
AD1PCFGL = 0xFFFF;
//Initialize the SPI
RPINR20bits.SDI1R = 23;
RPOR7bits.RP15R = 7;
RPOR0bits.RP0R = 8;
//enable a pull-up for the card detect, just in case the SD-Card isn't attached
// then lets have a pull-up to make sure we don't think it is there.
CNPU5bits.CN68PUE = 1;
#endif
while (!MDD_MediaDetect());
// Initialize the library
while (!FSInit());
#ifdef ALLOW_WRITES
// Create a file
pointer = FSfopen ("FILE1.TXT", "w");
if (pointer == NULL)
while(1);
// Write 21 1-byte objects from sendBuffer into the file
if (FSfwrite (sendBuffer, 1, 21, pointer) != 21)
while(1);
// FSftell returns the file's current position
if (FSftell (pointer) != 21)
while(1);
// FSfseek sets the position one byte before the end
// It can also set the position of a file forward from the
// beginning or forward from the current position
if (FSfseek(pointer, 1, SEEK_END))
while(1);
// Write a 2 at the end of the string
if (FSfwrite (send2, 1, 1, pointer) != 1)
while(1);
// Close the file
if (FSfclose (pointer))
while(1);
// Create a second file
pointer = FSfopen ("Microchip File 1.TXT", "w");
if (pointer == NULL)
while(1);
// Write the string to it again
if (FSfwrite ((void *)sendBuffer, 1, 21, pointer) != 21)
while(1);
// Close the file
if (FSfclose (pointer))
while(1);
#endif
// Open file 1 in read mode
pointer = FSfopen ("FILE1.TXT", "r");
if (pointer == NULL)
while(1);
if (FSrename ("Microchip File 2.TXT", pointer))
while(1);
// Read one four-byte object
if (FSfread (receiveBuffer, 4, 1, pointer) != 1)
while(1);
// Check if this is the end of the file- it shouldn't be
if (FSfeof (pointer))
while(1);
// Close the file
if (FSfclose (pointer))
while(1);
// Make sure we read correctly
if ((receiveBuffer[0] != 'T') ||
(receiveBuffer[1] != 'h') ||
(receiveBuffer[2] != 'i') ||
(receiveBuffer[3] != 's'))
{
while(1);
}
#ifdef ALLOW_DIRS
// Create a small directory tree
// Beginning the path string with a '.' will create the tree in
// the current directory. Beginning with a '..' would create the
// tree in the previous directory. Beginning with just a '\' would
// create the tree in the root directory. Beginning with a dir name
// would also create the tree in the current directory
if (FSmkdir (".\\Mchp Directory 1\\Dir2\\Directory 3"))
while(1);
// Change to 'Directory 3' in our new tree
if (FSchdir ("Mchp Directory 1\\Dir2\\Directory 3"))
while(1);
// Create another tree in 'Directory 3'
if (FSmkdir ("Directory 4\\Directory 5\\Directory 6"))
while(1);
// Create a third file in directory THREE
pointer = FSfopen ("CWD.TXT", "w");
if (pointer == NULL)
while(1);
#if defined(SUPPORT_LFN)
// Get the name of the current working directory
/* it should be "\Microchip Directory 1\Dir2\Directory 3" */
pointer2 = wFSgetcwd ((unsigned short int *)path1, count);
#endif
if (pointer2 != path1)
while(1);
// Simple string length calculation
i = 0;
while(*((unsigned short int *)path1 + i) != 0x00)
{
size++;
size++;
i++;
}
// Write the name to CWD.TXT
if (FSfwrite (path1, size, 1, pointer) != 1)
while(1);
// Close the file
if (FSfclose (pointer))
while(1);
// Create some more directories
if (FSmkdir ("Directory 4\\Directory 5\\Directory 7\\..\\Directory 8\\..\\..\\DIRNINE\\Directory 10\\..\\Directory 11\\..\\Directory 12"))
while(1);
/*******************************************************************
Now our tree looks like this
\ -> Mchp Directory 1 -> Dir2 -> Directory 3 -> Directory 4 -> Directory 5 -> Directory 6
-> Directory 7
-> Directory 8
DIRNINE -> Directory 10
-> Directory 11
-> Directory 12
********************************************************************/
// This will delete only Directory 8
// If we tried to delete Directory 5 with this call, the FSrmdir
// function would return -1, since Directory 5 is non-empty
if (FSrmdir ("\\Mchp Directory 1\\Dir2\\Directory 3\\Directory 4\\Directory 5\\Directory 8", FALSE))
while(1);
// This will delete DIRNINE and all three of its sub-directories
if (FSrmdir ("Directory 4\\DIRNINE", TRUE))
while(1);
// Change directory to the root dir
if (FSchdir ("\\"))
while(1);
#endif
#ifdef ALLOW_FILESEARCH
// Set attributes
attributes = ATTR_ARCHIVE | ATTR_READ_ONLY | ATTR_HIDDEN;
// Functions "FindFirst" & "FindNext" can be used to find files
// and directories with required attributes in the current working directory.
// Find the first TXT file with any (or none) of those attributes that
// has a name beginning with the letters "Mic"
// These functions are more useful for finding out which files are
// in your current working directory
if (FindFirst ("Mic*.TXT", attributes, &rec))
while(1);
// Find file to get "Microchip File 2.TXT"
if (FindNext (&rec))
while(1);
#if defined(SUPPORT_LFN)
// Delete file 2
// If the file name is long
if(rec.utf16LFNfoundLength)
{
// NOTE : "wFSremove" function deletes specific file not directory.
// To delete directories use "wFSrmdir" function
if (wFSremove (rec.utf16LFNfound))
while(1);
}
else
#endif
{
// NOTE : "FSremove" function deletes specific file not directory.
// To delete directories use "FSrmdir" function
if (FSremove (rec.filename))
while(1);
}
#endif
/*********************************************************************
The final contents of our card should look like this:
\ -> Microchip File 1.TXT
-> Mchp Directory 1 -> Dir2 -> Directory 3 -> CWD.TXT
-> Directory 4 -> Directory 5 -> Directory 6
-> Directory 7
*********************************************************************/
while(1);
}
int main (void)
{
FSFILE * pointer;
char path[30];
char count = 30;
char * pointer2;
int gh;
BYTE write_array[512];
for(gh=0; gh<512; gh++)
if(gh%8)
write_array[gh]='a';
else
write_array[gh]='b';
DWORD first_sector;
BYTE test_array[512];
/* OFB_init();
OFB_push(write_array);
calc_checksum(write_array);
while(1);*/
SearchRec rec;
pointer=NULL;
unsigned char attributes;
unsigned char size = 0, i;
PLLFBD =38;
CLKDIVbits.PLLPOST=0;
CLKDIVbits.PLLPRE=0;
__builtin_write_OSCCONH(0b011);
__builtin_write_OSCCONL(0b01);
while (OSCCONbits.COSC != 0b011); // Wait for Clock switch to occur
while(OSCCONbits.LOCK != 1) {};
UART2Init();
//printf("stuipd thing");
//TRISD=0x0FF;
//setting up pins to show on usb debugger
TRISDbits.TRISD6=1;
TRISAbits.TRISA7=0;
TRISAbits.TRISA6=0;
TRISAbits.TRISA5=0;
TRISAbits.TRISA4=0;
//LATA=1;
//_LATA4=1;
//_RA7=1;
//_LATA6=1;
//_LATA5=1;
//_LATA7=1;
//printf("they should be on now");
//while(1);
//LATAbits.LATA7=0;
//TRISB=0xFFFF;
//AD1PCFGLbits.PCFG1=1;
#ifdef TESTOVERFLOWBUFFER
#ifdef __DEBUG
printf("Starting test of overflow buffer");
unsigned char ofbtestin[SECTORSIZE];
unsigned char ofbtestout[SECTORSIZE];
OFB_init();
int ofbi,ofbj,ofbk,result;
char num=0;
printf("Starting insertion test\r\n");
for(ofbj=0; ofbj<=OVERFLOWBUFFERDEPTH; ofbj++)
{
for(ofbi=0; ofbi<SECTORSIZE; ofbi++)
ofbtestin[ofbi]=num+48;
printf("Size of Buffer: %d\r\n",OFB_getSize());
printf("Result of Insertion: %d\r\n",OFB_push(ofbtestin));
printf("New Size: %d\r\n",OFB_getSize());
num++;
}
printf("Starting retrieval test\r\n");
for(ofbj=0; ofbj<=OVERFLOWBUFFERDEPTH; ofbj++)
{
printf("Size of Buffer: %d\r\n",OFB_getSize());
result=OFB_read_tail(ofbtestout);
printf("result of read: %d\r\n",result);
printf("343rd entry in array: %c\r\n",ofbtestout[342]);
/*for(i=0;i<SECTORSIZE;i++)
{
printf("%d",ofbtestout[i]);
while(UART2IsEmpty());
}*/
//printf("\r\n");
result=OFB_pop();
printf("Result of Pop: %d\r\n",result);
}
while(1);
#endif
#endif
//Service_Spi();
#ifdef __DEBUG
printf("Clock Switch Complete, Waiting For Media\r\n");
#endif
//waits for a card to be inserted
while (!MDD_MediaDetect());
#ifdef __DEBUG
printf("Media Found, Waiting for FSinit\r\n");
#endif
// Initialize the library
while (!FSInit());
char temp;
int character_count,remove_success;
character_count=0;
// Create a file
printf("starting up\r\n");
remove_success=FSremove("WRITE.TXT");
printf("Removal of prev: %d\r\n",remove_success);
pointer = FSfopen ("WRITE.TXT", "w");
if (pointer == NULL)
{
#ifdef __DEBUG
printf("File open failed\r\n");
#endif
while(1);
}
//FSfseek(pointer,0,SEEK_SET);
//set_First_Sector(first_sector);
//FSfwrite("greetings",1,9,pointer);
printf("waiting for operation\r\n");
//FSfwrite("greetings",1,9,pointer);
//allocate_size(38769,pointer);
DWORD sizeinbytes;
//need to convert from number of sectors to number of bytes and allocate that much space
sizeinbytes=(DWORD)FILESIZE*(DWORD)512;
//sizeinbytes=3774873*(DWORD)512;
allocate_size(sizeinbytes,pointer,FALSE);
FSfseek(pointer,0,SEEK_SET);
first_sector=get_First_Sector(pointer);
set_First_Sector(first_sector);
DWORD erasure;
OFB_init();
for(erasure=0; erasure<FILESIZE; erasure++)
{
MDD_SDSPI_SectorWrite(first_sector, write_array,FALSE);
first_sector++;
if(erasure%100==0)
printf("%lu\r",erasure);
}
int bleh;
FSfclose(pointer);
//MDD_ShutdownMedia();
printf("done with file allocation\r\n");
#ifdef DMAON
#else
#endif
//while(UART2IsEmpty());
//temp=UART2GetChar();
//write_array[character_count]=temp;
//character_count++;
while(1)
{
Service_Spi();
}
/*while(temp!='+')
{
if(character_count<512)
{
if(!UART2IsEmpty())
{
temp=UART2GetChar();
write_array[character_count]=temp;
character_count++;
//printf("%08d\r",character_count);
}
}
else
{
FSfwrite(write_array,1,character_count, pointer);
character_count=0;
}
}*/
//FSfwrite(write_array,1,character_count, pointer);
//FSfwrite(sendBuffer,1,21, pointer);
unsigned int buffer[512];
char buffersign;
//bufferreturn(buffer);
while(1)
{
/*buffersign=bufferreturn(buffer);
if(buffersign==1)
{
//FSfwrite(buffer,1,512,pointer);
}*/
if(!PORTDbits.RD6)
{
DMA0CONbits.CHEN=0;
//FSfclose(pointer);
DMA0CONbits.CHEN=0;
printf("done with operations\r\n");
MDD_ShutdownMedia();
while(1) {}
}
}
while(1);
}
