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Merge pull request #431 from lesserkuma/master

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Add support for missing GBA flash save chips
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sanni 2022-07-24 04:40:44 +02:00 committed by GitHub
commit 9750016888
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 89 additions and 29 deletions
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118
Cart_Reader/GBA.ino
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@ -350,19 +350,46 @@ void gbaMenu() {
// 512K FLASH // 512K FLASH
idFlash_GBA(); idFlash_GBA();
resetFLASH_GBA(); resetFLASH_GBA();
if (strcmp(flashid, "BFD4") != 0) {
println_Msg(F("Flashrom Type not supported")); print_Msg(F("Flashrom ID: "));
print_Msg(F("ID: ")); println_Msg(flashid);
println_Msg(flashid); println_Msg(F(""));
print_Error(F(""), true); println_Msg(F("Flashrom Type: "));
if (strcmp(flashid, "1F3D") == 0) {
println_Msg(F("Atmel AT29LV512"));
} }
eraseFLASH_GBA(); else if (strcmp(flashid, "BFD4") == 0) {
if (blankcheckFLASH_GBA(65536)) { println_Msg(F("SST 39VF512"));
writeFLASH_GBA(1, 65536, 0); }
verifyFLASH_GBA(65536, 0); else if (strcmp(flashid, "C21C") == 0) {
println_Msg(F("Macronix MX29L512"));
}
else if (strcmp(flashid, "321B") == 0) {
println_Msg(F("Panasonic MN63F805MNP"));
} }
else { else {
print_Error(F("Erase failed"), false); println_Msg(F("Unknown"));
//print_Error(F(""), true);
}
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
display_Clear();
display_Update();
if (strcmp(flashid, "1F3D") == 0) { // Atmel
writeFLASH_GBA(1, 65536, 0, 1);
verifyFLASH_GBA(65536, 0);
} else {
eraseFLASH_GBA();
if (blankcheckFLASH_GBA(65536)) {
writeFLASH_GBA(1, 65536, 0, 0);
verifyFLASH_GBA(65536, 0);
}
else {
print_Error(F("Erase failed"), false);
}
} }
setROM_GBA(); setROM_GBA();
break; break;
@ -373,18 +400,34 @@ void gbaMenu() {
// 1M FLASH // 1M FLASH
idFlash_GBA(); idFlash_GBA();
resetFLASH_GBA(); resetFLASH_GBA();
if (strcmp(flashid, "C209") != 0) {
println_Msg(F("Flashrom Type not supported")); print_Msg(F("Flashrom ID: "));
print_Msg(F("ID: ")); println_Msg(flashid);
println_Msg(flashid); println_Msg(F(""));
print_Error(F(""), true); println_Msg(F("Flashrom Type: "));
if (strcmp(flashid, "C209") == 0) {
println_Msg(F("Macronix MX29L010"));
} }
else if (strcmp(flashid, "6213") == 0) {
println_Msg(F("SANYO LE26FV10N1TS"));
}
else {
println_Msg(F("Unknown"));
//print_Error(F(""), true);
}
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
display_Clear();
display_Update();
eraseFLASH_GBA(); eraseFLASH_GBA();
// 131072 bytes are divided into two 65536 byte banks // 131072 bytes are divided into two 65536 byte banks
switchBank_GBA(0x0); switchBank_GBA(0x0);
setROM_GBA(); setROM_GBA();
if (blankcheckFLASH_GBA(65536)) { if (blankcheckFLASH_GBA(65536)) {
writeFLASH_GBA(1, 65536, 0); writeFLASH_GBA(1, 65536, 0, 0);
verifyFLASH_GBA(65536, 0); verifyFLASH_GBA(65536, 0);
} }
else { else {
@ -393,7 +436,7 @@ void gbaMenu() {
switchBank_GBA(0x1); switchBank_GBA(0x1);
setROM_GBA(); setROM_GBA();
if (blankcheckFLASH_GBA(65536)) { if (blankcheckFLASH_GBA(65536)) {
writeFLASH_GBA(0, 65536, 65536); writeFLASH_GBA(0, 65536, 65536, 0);
verifyFLASH_GBA(65536, 65536); verifyFLASH_GBA(65536, 65536);
} }
else { else {
@ -920,7 +963,7 @@ void readROM_GBA() {
draw_progressbar(0, totalProgressBar); draw_progressbar(0, totalProgressBar);
// Read rom // Read rom
for (int myAddress = 0; myAddress < cartSize; myAddress += 512) { for (unsigned long myAddress = 0; myAddress < cartSize; myAddress += 512) {
// Blink led // Blink led
if (myAddress % 16384 == 0) if (myAddress % 16384 == 0)
blinkLED(); blinkLED();
@ -1599,7 +1642,7 @@ void busyCheck_GBA(int currByte) {
DDRC = 0xFF; DDRC = 0xFF;
} }
void writeFLASH_GBA (boolean browseFile, unsigned long flashSize, uint32_t pos) { void writeFLASH_GBA (boolean browseFile, unsigned long flashSize, uint32_t pos, boolean isAtmel) {
// Output a HIGH signal on CS_ROM(PH3) WE_FLASH(PH5) and OE_FLASH(PH6) // Output a HIGH signal on CS_ROM(PH3) WE_FLASH(PH5) and OE_FLASH(PH6)
PORTH |= (1 << 3) | (1 << 5) | (1 << 6); PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
@ -1631,20 +1674,37 @@ void writeFLASH_GBA (boolean browseFile, unsigned long flashSize, uint32_t pos)
// Output a LOW signal on CE_FLASH(PH0) // Output a LOW signal on CE_FLASH(PH0)
PORTH &= ~(1 << 0); PORTH &= ~(1 << 0);
for (unsigned long currAddress = 0; currAddress < flashSize; currAddress += 512) { if (!isAtmel) {
//fill sdBuffer for (unsigned long currAddress = 0; currAddress < flashSize; currAddress += 512) {
myFile.read(sdBuffer, 512); //fill sdBuffer
myFile.read(sdBuffer, 512);
for (int c = 0; c < 512; c++) {
for (int c = 0; c < 512; c++) {
// Write command sequence
writeByteFlash_GBA(0x5555, 0xaa);
writeByteFlash_GBA(0x2aaa, 0x55);
writeByteFlash_GBA(0x5555, 0xa0);
// Write current byte
writeByteFlash_GBA(currAddress + c, sdBuffer[c]);
// Wait
busyCheck_GBA(c);
}
}
}
else {
for (unsigned long currAddress = 0; currAddress < flashSize; currAddress += 128) {
//fill sdBuffer
myFile.read(sdBuffer, 128);
// Write command sequence // Write command sequence
writeByteFlash_GBA(0x5555, 0xaa); writeByteFlash_GBA(0x5555, 0xaa);
writeByteFlash_GBA(0x2aaa, 0x55); writeByteFlash_GBA(0x2aaa, 0x55);
writeByteFlash_GBA(0x5555, 0xa0); writeByteFlash_GBA(0x5555, 0xa0);
// Write current byte for (int c = 0; c < 128; c++) {
writeByteFlash_GBA(currAddress + c, sdBuffer[c]); writeByteFlash_GBA(currAddress + c, sdBuffer[c]);
}
// Wait delay(15);
busyCheck_GBA(c);
} }
} }
// Set CS_FLASH(PH0) high // Set CS_FLASH(PH0) high