Add support for missing GBA flash save chips (Atmel AT29LV512, Macronix MX29L512, Panasonic MN63F805MNP, SANYO LE26FV10N1TS)

1 files changed, 89 insertions, 29 deletions

diff --git a/Cart_Reader/GBA.ino b/Cart_Reader/GBA.ino
index 07d10b0..e2ad9b6 100644
--- a/Cart_Reader/GBA.ino
+++ b/Cart_Reader/GBA.ino
@@ -350,19 +350,46 @@ void gbaMenu() {
           // 512K FLASH

           idFlash_GBA();

           resetFLASH_GBA();

-          if (strcmp(flashid, "BFD4") != 0) {

-            println_Msg(F("Flashrom Type not supported"));

-            print_Msg(F("ID: "));

-            println_Msg(flashid);

-            print_Error(F(""), true);

+          

+          print_Msg(F("Flashrom ID: "));

+          println_Msg(flashid);

+          println_Msg(F(""));

+          println_Msg(F("Flashrom Type: "));

+          if (strcmp(flashid, "1F3D") == 0) {

+            println_Msg(F("Atmel AT29LV512"));

           }

-          eraseFLASH_GBA();

-          if (blankcheckFLASH_GBA(65536)) {

-            writeFLASH_GBA(1, 65536, 0);

-            verifyFLASH_GBA(65536, 0);

+          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 {

-            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();

           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: "));

-            println_Msg(flashid);

-            print_Error(F(""), true);

+          

+          print_Msg(F("Flashrom ID: "));

+          println_Msg(flashid);

+          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);

 

@@ -1631,20 +1674,37 @@ void writeFLASH_GBA (boolean browseFile, unsigned long flashSize, uint32_t pos)
     // Output a LOW signal on CE_FLASH(PH0)

     PORTH &= ~(1 << 0);

 

-    for (unsigned long currAddress = 0; currAddress < flashSize; currAddress += 512) {

-      //fill sdBuffer

-      myFile.read(sdBuffer, 512);

-

-      for (int c = 0; c < 512; c++) {

+    if (!isAtmel) {

+      for (unsigned long currAddress = 0; currAddress < flashSize; currAddress += 512) {

+        //fill sdBuffer

+        myFile.read(sdBuffer, 512);

+  

+        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

         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);

+        for (int c = 0; c < 128; c++) {

+          writeByteFlash_GBA(currAddress + c, sdBuffer[c]);

+        }

+        delay(15);

       }

     }

     // Set CS_FLASH(PH0) high