static int doExtensionMcp23s17 (char *progName, int pinBase, char *params)
{
int spi, port ;
if ((params = extractInt (progName, params, &spi)) == NULL)
return FALSE ;
if ((spi < 0) || (spi > 1))
{
verbError ("%s: SPI address (%d) out of range", progName, spi) ;
return FALSE ;
}
if ((params = extractInt (progName, params, &port)) == NULL)
return FALSE ;
if ((port < 0) || (port > 7))
{
verbError ("%s: port address (%d) out of range", progName, port) ;
return FALSE ;
}
mcp23s17Setup (pinBase, spi, port) ;
return TRUE ;
}
static int doModuleMcp23s17 (char *progName, int pinBase, char *params)
{
int spi, port ;
// Extract the SPI address:
if (*params != ':')
{
fprintf (stderr, "%s: colon expected after pin-base number\n", progName) ;
return FALSE ;
}
++params ;
if (!isdigit (*params))
{
fprintf (stderr, "%s: digit expected after pin-base number\n", progName) ;
return FALSE ;
}
spi = *params - '0' ;
if ((spi < 0) || (spi > 1))
{
fprintf (stderr, "%s: SPI address (%d) out of range\n", progName, spi) ;
return FALSE ;
}
// Extract the port:
if (*++params != ':')
{
fprintf (stderr, "%s: colon expected after SPI address\n", progName) ;
return FALSE ;
}
++params ;
if (!isdigit (*params))
{
fprintf (stderr, "%s: digit expected after SPI address\n", progName) ;
return FALSE ;
}
port = strtol (params, NULL, 0) ;
if ((port < 0) || (port > 7))
{
fprintf (stderr, "%s: port address (%d) out of range\n", progName, port) ;
return FALSE ;
}
mcp23s17Setup (pinBase, spi, port) ;
return TRUE ;
}
int piFaceSetup (const int pinBase)
{
int i ;
struct wiringPiNodeStruct *node ;
// Create an mcp23s17 instance:
mcp23s17Setup (pinBase + 16, 0, 0) ;
// Set the direction bits
for (i = 0 ; i < 8 ; ++i)
{
pinMode (pinBase + 16 + i, OUTPUT) ; // Port A is the outputs
pinMode (pinBase + 16 + 8 + i, INPUT) ; // Port B inputs.
}
node = wiringPiNewNode (pinBase, 16) ;
node->digitalRead = myDigitalRead ;
node->digitalWrite = myDigitalWrite ;
node->pullUpDnControl = myPullUpDnControl ;
return 0 ;
}
int main(void){
printf("START\n");
int readCart = 1;
uint8_t ROMmakeup;
uint8_t ROMspeed;
uint8_t bankSize;
uint8_t ROMtype;
uint8_t ROMsize;
uint8_t SRAMsize;
uint8_t country;
uint8_t license;
uint8_t version;
uint32_t VBLvector;
uint32_t resetVector;
uint32_t inverseChecksum;
int i = 0;
int x = 0;
// ------------- Set Registers -----------------------------------------------------
wiringPiSetup () ;
mcp23s17Setup (BASE, 0, _IOControls) ;
mcp23s17Setup (BASE+100, 0,_SNESAddressPins) ;
mcp23s17Setup (BASE+200, 0, _SNESBankAndData) ;
initInterface_SPI();
//----------------------------------------------------------------------------------------------------
/*
# GPA0: /RD
# GPA1: /RESET
# GPA2: /WR
# GPA3: /CS
# GPA4: CART MOSFET
# GPA7: /IRQ
*/
setIOControl(_RD + _CS + _POWER);
//time.sleep(.25)
//-----------------------------------------------------
char cartname[21] = "";
uint32_t headerAddr =32704;
int isLowROM = 1;
int isValid = 0;
if (compareROMchecksums(32704,1) == 1){
printf("Checksums matched\n");
ROMmakeup = readOffset(headerAddr + 21,isLowROM);
ROMspeed = getUpNibble(ROMmakeup);
bankSize = getLowNibble(ROMmakeup);
if (bankSize == 0){
printf("ROM Makeup match for LoROM. Assuming this is the case!\n");
isLowROM = 1;
isValid = 1;
}
else if (bankSize == 1){
printf("ROM Makeup match for HiROM. Assuming this is the case!\n");
headerAddr = 65472;
isLowROM = 0;
isValid = 1;
}
else
printf("Bank Configuration Read Error\n");
}
else
printf("Checksums did not match. Either no cart, or cart read error\n");
//#--- Debug. Manually set bank size ----------
//#isLowROM = 1
//#-------------------------------------------
uint32_t currentAddr = headerAddr;
gotoOffset(headerAddr, isLowROM);
for (i = headerAddr; i <(headerAddr + 20); i++ )
cartname[x++] = readOffset(i,isLowROM);
//cartname = cartname.rstrip()
ROMmakeup = readAddr(headerAddr + 21,isLowROM);
ROMspeed = getUpNibble(ROMmakeup);
bankSize = getLowNibble(ROMmakeup);
ROMtype = readAddr(headerAddr + 22,isLowROM);
ROMsize = getROMsize(headerAddr + 23, isLowROM);
SRAMsize = readAddr(headerAddr + 24,isLowROM);
country = readAddr(headerAddr + 25,isLowROM);
license = readAddr(headerAddr + 26,isLowROM);
version = readAddr(headerAddr + 27,isLowROM);
currentAddr = headerAddr + 28;
inverseChecksum = readAddr(currentAddr,isLowROM);
inverseChecksum += readAddr(currentAddr+1,isLowROM) * 256;
currentAddr = headerAddr + 30;
ROMchecksum = readAddr(currentAddr,isLowROM);
ROMchecksum += readAddr(currentAddr+1,isLowROM) * 256;
currentAddr = headerAddr + 32;
VBLvector = readAddr(currentAddr,isLowROM);
VBLvector += readAddr(currentAddr+1,isLowROM) * 256;
currentAddr = headerAddr + 34;
resetVector = readAddr(currentAddr,isLowROM);
resetVector += readAddr(currentAddr+1,isLowROM) * 256;
int16_t numberOfPages = getNumberOfPages(ROMsize,isLowROM);
printf("Game Title: %s\n", cartname);
printf("ROM Makeup: %d\n", ROMmakeup);
printf(" - ROM Speed: %d\n", ROMspeed);
printf(" - Bank Size: %d\n", bankSize);
printf("ROM Type: %d\n", ROMtype);
if (ROMtype == 243){
printf("\nCapcom CX4 ROM Type detected!");
CX4setROMsize(ROMsize);
printf("\n");
}
printf("ROM Size: %d MBits\n", ROMsize);
int convertedSRAMsize = 0;
printf("SRAM Size: Value: %d",SRAMsize);
if (convertedSRAMsize == 0)
if (SRAMsize <= 12 && SRAMsize > 0)
convertedSRAMsize = 1<<(SRAMsize +3);
printf(" | %d KBits\n", convertedSRAMsize);
printf("Country: %d\n", country);
printf( "License: %d\n", license);
printf( "Version: 1.%d\n",version);
printf( "Inverse Checksum: %x\n", inverseChecksum);
printf( "ROM Checksum: %x\n", + ROMchecksum);
printf( " - Checksums xOr'ed: %x\n", (inverseChecksum | ROMchecksum) );
printf( "\n");
printf( "VBL Vector: %d\n", VBLvector);
printf( "Reset Vector: %d\n", resetVector);
printf( "\n");
printf( "Number of pages: %d\n", numberOfPages );
printf( "\n");
uint8_t *dump;
char fileName[30];
//dump = returnNULLheader()
int y = 0;
uint32_t sizeOfCartInBytes = 0;
uint32_t pageChecksum = 0;
//uint32_t totalChecksum = 0;
uint32_t currentByte = 0;
uint32_t numberOfRemainPages = 0;
uint32_t firstNumberOfPages = 0;
time_t timeStart = 0;
time_t timeEnd = 0;
/*
if directory != "" :
if directory[len(directory)-1] != "/":
directory += "/"
g = open("/tmp/insertedCart",'w')*/
if (isValid == 1){
//g.write(cartname)
if (readCart == 1){
//if os.path.exists(directory + cartname + '.smc'){
// printf("Cart has already been ripped, not ripping again!");
// readCart = 0;
}
else if (readCart == 0)
printf("Will not rip cart due to OPTs");
if (readCart == 1){
numberOfRemainPages = 0;
firstNumberOfPages = numberOfPages;
timeStart = time(NULL);
//f = open(directory + cartname + '.smc','w')
FILE *romfile;
stpcpy(fileName, cartname);
strcat(fileName, ".smc");
romfile = fopen( fileName, "wb");
if (isLowROM == 1){
sizeOfCartInBytes = numberOfPages * 32768;
dump = calloc(sizeOfCartInBytes, sizeof(uint8_t) );
printf("Reading %d Low ROM pages.\n", numberOfPages);
//ROM Ripper
ripROM(0x00, isLowROM, firstNumberOfPages, dump);
}
else{
sizeOfCartInBytes = numberOfPages * 65536;
dump = calloc(sizeOfCartInBytes, sizeof(uint8_t) );
if (numberOfPages > 64){
numberOfRemainPages = ( numberOfPages - 64 ); //# number of pages over 64
printf("Reading first 64 of %d Hi ROM pages.\n", numberOfPages);
firstNumberOfPages = 64;
}
else
printf("Reading %d Hi ROM pages.\n", numberOfPages);
/*dump =*/ ripROM(0xC0, isLowROM, firstNumberOfPages, dump);
if (numberOfRemainPages > 0){
printf("Reading last %d of High ROM pages.\n", numberOfRemainPages);
/*dump +=*/ ripROM(0x40, isLowROM, numberOfRemainPages, dump);
}
}
printf("\n");
printf("Entire Checksum: %x\n", totalChecksum);
printf("\n");
printf("Header Checksum: %x\n", ROMchecksum );
totalChecksum = ( totalChecksum & 0xFFFF );
printf("16-bit Generated Checksum: %x\n", totalChecksum);
if (totalChecksum == ROMchecksum)
printf("-------------------------- CHECKSUMS MATCH!\n");
else
printf("----------WARNING: CHECKSUMS DO NOT MATCH: %x != %x\n", totalChecksum, ROMchecksum);
timeEnd = time(NULL);
//print ""
printf("Address Writes - LowByte: %d HighByte: %d | Bank Writes: %d | Data Reads: %d\n", LowByteWrites, HighByteWrites, BankWrites, DataReads);
printf("\nIt took %d seconds to read cart\n", timeEnd - timeStart);
printf("Size of Cart in Bytes: %d\n", sizeOfCartInBytes);
fwrite(dump, sizeof(uint8_t), sizeOfCartInBytes, romfile);
fclose(romfile);
free(dump);
}
/*if (readSRAM == 1){
f = open(directory + cartname + '.srm','w')
timeStart = time.time()
dump = ripSRAM(convertedSRAMsize,ROMsize,isLowROM)
timeEnd = time.time()
print ""
print "It took " + str(timeEnd - timeStart) + "seconds to read SRAM Data"
f.write(dump)
f.close
}*/
}
else{
//g.write("NULL")
//g.close
}
//#--- Clean Up & End Script ------------------------------------------------------
shutdownInterface_SPI();
}
