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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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86
Cart_Reader/GBA.ino
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@ -350,20 +350,47 @@ void gbaMenu() {
// 512K FLASH
idFlash_GBA();
resetFLASH_GBA();
if (strcmp(flashid, "BFD4") != 0) {
println_Msg(F("Flashrom Type not supported"));
print_Msg(F("ID: "));
print_Msg(F("Flashrom ID: "));
println_Msg(flashid);
print_Error(F(""), true);
println_Msg(F(""));
println_Msg(F("Flashrom Type: "));
if (strcmp(flashid, "1F3D") == 0) {
println_Msg(F("Atmel AT29LV512"));
}
else if (strcmp(flashid, "BFD4") == 0) {
println_Msg(F("SST 39VF512"));
}
else if (strcmp(flashid, "C21C") == 0) {
println_Msg(F("Macronix MX29L512"));
}
else if (strcmp(flashid, "321B") == 0) {
println_Msg(F("Panasonic MN63F805MNP"));
}
else {
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);
writeFLASH_GBA(1, 65536, 0, 0);
verifyFLASH_GBA(65536, 0);
}
else {
print_Error(F("Erase failed"), false);
}
}
setROM_GBA();
break;
@ -373,18 +400,34 @@ void gbaMenu() {
// 1M FLASH
idFlash_GBA();
resetFLASH_GBA();
if (strcmp(flashid, "C209") != 0) {
println_Msg(F("Flashrom Type not supported"));
print_Msg(F("ID: "));
print_Msg(F("Flashrom ID: "));
println_Msg(flashid);
print_Error(F(""), true);
println_Msg(F(""));
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();
// 131072 bytes are divided into two 65536 byte banks
switchBank_GBA(0x0);
setROM_GBA();
if (blankcheckFLASH_GBA(65536)) {
writeFLASH_GBA(1, 65536, 0);
writeFLASH_GBA(1, 65536, 0, 0);
verifyFLASH_GBA(65536, 0);
}
else {
@ -393,7 +436,7 @@ void gbaMenu() {
switchBank_GBA(0x1);
setROM_GBA();
if (blankcheckFLASH_GBA(65536)) {
writeFLASH_GBA(0, 65536, 65536);
writeFLASH_GBA(0, 65536, 65536, 0);
verifyFLASH_GBA(65536, 65536);
}
else {
@ -920,7 +963,7 @@ void readROM_GBA() {
draw_progressbar(0, totalProgressBar);
// Read rom
for (int myAddress = 0; myAddress < cartSize; myAddress += 512) {
for (unsigned long myAddress = 0; myAddress < cartSize; myAddress += 512) {
// Blink led
if (myAddress % 16384 == 0)
blinkLED();
@ -1599,7 +1642,7 @@ void busyCheck_GBA(int currByte) {
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)
PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
@ -1631,6 +1674,7 @@ void writeFLASH_GBA (boolean browseFile, unsigned long flashSize, uint32_t pos)
// Output a LOW signal on CE_FLASH(PH0)
PORTH &= ~(1 << 0);
if (!isAtmel) {
for (unsigned long currAddress = 0; currAddress < flashSize; currAddress += 512) {
//fill sdBuffer
myFile.read(sdBuffer, 512);
@ -1647,6 +1691,22 @@ void writeFLASH_GBA (boolean browseFile, unsigned long flashSize, uint32_t pos)
busyCheck_GBA(c);
}
}
}
else {
for (unsigned long currAddress = 0; currAddress < flashSize; currAddress += 128) {
//fill sdBuffer
myFile.read(sdBuffer, 128);
// Write command sequence
writeByteFlash_GBA(0x5555, 0xaa);
writeByteFlash_GBA(0x2aaa, 0x55);
writeByteFlash_GBA(0x5555, 0xa0);
for (int c = 0; c < 128; c++) {
writeByteFlash_GBA(currAddress + c, sdBuffer[c]);
}
delay(15);
}
}
// Set CS_FLASH(PH0) high
PORTH |= (1 << 0);