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Add writing MD FlashKit with S29GL064N
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sanni committed Sep 11, 2024
1 parent bff854c commit 1e24b47
Showing 1 changed file with 100 additions and 5 deletions.
105 changes: 100 additions & 5 deletions Cart_Reader/MD.ino
Original file line number Diff line number Diff line change
Expand Up @@ -268,28 +268,34 @@ void mdMenu() {
resetFlash_MD();
idFlash_MD();
resetFlash_MD();
print_Msg(F("Flash ID: "));
println_Msg(flashid_str);
if (flashid == 0xC2F1) {
println_Msg(F("MX29F1610 detected"));
flashSize = 2097152;
} else if (flashid == 0x017E) {
println_Msg(F("S29GL064N detected"));
flashSize = 4194304;
} else {
print_Msg(F("Flash ID: "));
println_Msg(flashid_str);
print_FatalError(F("Error: Unknown flashrom"));
}
println_Msg("Erasing...");
display_Update();

eraseFlash_MD();
resetFlash_MD();
blankcheck_MD();
write29F1610_MD();
if (flashid == 0xC2F1)
write29F1610_MD();
else if (flashid == 0x017E)
write29GL_MD();
resetFlash_MD();
delay(1000);
resetFlash_MD();
delay(1000);
println_Msg("Verifying...");
verifyFlash_MD();
// Set CS(PH3) HIGH
PORTH |= (1 << 3);
println_Msg(FS(FSTRING_EMPTY));
// Prints string out of the common strings array either with or without newline
print_STR(press_button_STR, 1);
display_Update();
Expand Down Expand Up @@ -1976,6 +1982,11 @@ void write29F1610_MD() {
// Set data pins to output
dataOut_MD();

//Initialize progress bar
uint32_t processedProgressBar = 0;
uint32_t totalProgressBar = (uint32_t)fileSize / 2;
draw_progressbar(0, totalProgressBar);

// Fill sdBuffer with 1 page at a time then write it repeat until all bytes are written
int d = 0;
for (unsigned long currByte = 0; currByte < fileSize / 2; currByte += 64) {
Expand All @@ -2002,6 +2013,90 @@ void write29F1610_MD() {
// Check if write is complete
delayMicroseconds(100);
busyCheck_MD();

// update progress bar
processedProgressBar += 64;
draw_progressbar(processedProgressBar, totalProgressBar);
}

// Set data pins to input again
dataIn_MD();

// Close the file:
myFile.close();
} else {
print_STR(open_file_STR, 1);
display_Update();
}
}

void write29GL_MD() {
// Create filepath
sprintf(filePath, "%s/%s", filePath, fileName);
print_STR(flashing_file_STR, 0);
print_Msg(filePath);
println_Msg(F("..."));
display_Update();

// Open file on sd card
if (myFile.open(filePath, O_READ)) {
// Get rom size from file
fileSize = myFile.fileSize();
if (fileSize > flashSize) {
print_FatalError(file_too_big_STR);
}
// Set data pins to output
dataOut_MD();

//Initialize progress bar
uint32_t processedProgressBar = 0;
uint32_t totalProgressBar = (uint32_t)fileSize;
draw_progressbar(0, totalProgressBar);

for (unsigned long currSdBuffer = 0; currSdBuffer < fileSize; currSdBuffer += 512) {
myFile.read(sdBuffer, 512);

// Blink led
if (currSdBuffer % 4096 == 0) {
blinkLED();
}

for (int currWriteBuffer = 0; currWriteBuffer < 512; currWriteBuffer += 32) {
// Two unlock cycles
writeFlash_MD(0x555, 0xaa);
writeFlash_MD(0x2aa, 0x55);
// Write Buffer Load command to Sector Address
writeFlash_MD((currSdBuffer + currWriteBuffer) / 2, 0x25);
// Sector Address, Word count
writeFlash_MD((currSdBuffer + currWriteBuffer) / 2, 16 - 1);

// Load buffer
word currWord;
for (byte currByte = 0; currByte < 32; currByte += 2) {
currWord = ((sdBuffer[currWriteBuffer + currByte] & 0xFF) << 8) | (sdBuffer[currWriteBuffer + currByte + 1] & 0xFF);
writeFlash_MD((currSdBuffer + currWriteBuffer + currByte) / 2, currWord);
}

// Write buffer
writeFlash_MD((currSdBuffer + currWriteBuffer + 32 - 2) / 2, 0x29);

// Check if write is complete
// Set data pins to input
dataIn_MD();

// Read the status register
word statusReg = readFlash_MD((currSdBuffer + currWriteBuffer + 32 - 2) / 2);

while ((statusReg | 0xFF7F) != (currWord | 0xFF7F)) {
statusReg = readFlash_MD((currSdBuffer + currWriteBuffer + 32 - 2) / 2);
}

// Set data pins to output
dataOut_MD();
}
// update progress bar
processedProgressBar += 512;
draw_progressbar(processedProgressBar, totalProgressBar);
}

// Set data pins to input again
Expand Down

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