void writeboot(FILE* infile, memory_context_t *mem_c, int page) {
INTELHEX_t ihex;
if (!infile) return;
if (page == -1)
page += mem_c->flash_pages; // last page is boot page
unsigned char (*flash)[PAGE_SIZE] = (uint8_t(*)[PAGE_SIZE]) mem_c->flash;
for (;;) {
if (!ReadIntelHex(infile, &ihex)) {
return;
}
switch(ihex.Type) {
case 0x00:
memcpy(flash[page] + (ihex.Address & 0x3FFF), ihex.Data, ihex.DataSize);
break;
case 0x02:
break;
default:
return;
}
}
}
TIFILE_t* ImportFlashFile(FILE *infile, TIFILE_t *tifile) {
int i;
for(i = 0; i < 256; i++) {
tifile->flash->pagesize[i] = 0;
tifile->flash->data[i] = NULL;
}
INTELHEX_t record;
int CurrentPage = -1;
int HighestAddress = 0;
int TotalSize = 0;
int TotalPages = 0;
int done = 0;
if (tifile->flash->type == FLASH_TYPE_OS) {
// Find the first page, usually after the first line
do {
if (!ReadIntelHex(infile, &record)) {
FreeTiFile(tifile);
return NULL;
}
} while (record.Type != 0x02 || record.DataSize != 2);
CurrentPage = ((record.Data[0] << 8) | record.Data[1]) & 0x7F;
if (tifile->flash->data[CurrentPage] == 0) {
tifile->flash->data[CurrentPage] = (unsigned char *) malloc(PAGE_SIZE);
if (tifile->flash->data[CurrentPage] == NULL) {
FreeTiFile(tifile);
return NULL;
}
memset(tifile->flash->data[CurrentPage], 0, PAGE_SIZE); //THIS IS IMPORTANT FOR LINKING, APPS FOR NOW
}
HighestAddress = 0;
}
while (!feof( infile ) && !done) {
ReadIntelHex(infile, &record);
switch ( record.Type ) {
case 00:
if (CurrentPage > -1) {
for(i = 0; (i < record.DataSize) && (((i + record.Address) & 0x3FFF) < PAGE_SIZE); i++) {
tifile->flash->data[CurrentPage][(i + record.Address) & 0x3FFF] = record.Data[i];
}
if ( HighestAddress < i + record.Address ) HighestAddress = (int) (i + record.Address);
}
break;
case 01:
done = 1;
if (CurrentPage == -1) {
printf("invalid current page\n");
FreeTiFile(tifile);
return NULL;
}
TotalSize += (HighestAddress - PAGE_SIZE);
tifile->flash->pagesize[CurrentPage] = (HighestAddress - PAGE_SIZE);
tifile->flash->pages = TotalPages;
break;
case 02:
if (CurrentPage > -1) {
TotalSize += PAGE_SIZE;
tifile->flash->pagesize[CurrentPage] = (HighestAddress - PAGE_SIZE);
}
TotalPages++;
CurrentPage = ((record.Data[0] << 8) | record.Data[1]) & 0x7F;
if (tifile->flash->data[CurrentPage] == 0) {
tifile->flash->data[CurrentPage] = (unsigned char *) malloc(PAGE_SIZE);
if (tifile->flash->data[CurrentPage] == NULL) {
FreeTiFile(tifile);
return NULL;
}
memset(tifile->flash->data[CurrentPage], 0, PAGE_SIZE); //THIS IS IMPORTANT FOR LINKING, APPS FOR NOW
}
HighestAddress = 0;
break;
default:
printf("unknown record\n");
FreeTiFile(tifile);
return NULL;
}
}
if (tifile->flash->device == 0x74) {
tifile->model = TI_73;
} else if (tifile->flash->device == 0x73) {
tifile->model = TI_83P;
} else {
FreeTiFile(tifile);
return NULL;
}
return tifile;
}
