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V1.6: Add support for S29GL032M flashrom (byte mode)
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sanni
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@ -2,8 +2,8 @@
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Cartridge Reader for Arduino Mega2560
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Author: sanni
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Date: 24-08-2018
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Version: 1.5
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Date: 29-08-2018
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Version: 1.6
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SD lib: https://github.com/greiman/SdFat
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LCD lib: https://github.com/adafruit/Adafruit_SSD1306
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@ -35,7 +35,7 @@
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infinest - help with GB Memory cart
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**********************************************************************************/
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char ver[5] = "1.5";
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char ver[5] = "1.6";
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/******************************************
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Define Starting Point
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@ -455,6 +455,7 @@ void setup() {
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// Clear the screen buffer.
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display_Clear();
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delay(100);
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// Draw line
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display.drawLine(0, 32, 127, 32, WHITE);
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@ -11,14 +11,16 @@ byte flashromType;
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byte secondID = 1;
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unsigned long time;
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unsigned long blank;
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unsigned long sectorSize;
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byte bufferSize;
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/******************************************
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Menu
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*****************************************/
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// Flash start menu
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static const char flashMenuItem1[] PROGMEM = "8bit adapter";
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static const char flashMenuItem2[] PROGMEM = "16bit adapter";
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static const char flashMenuItem3[] PROGMEM = "Eprom adapter";
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static const char flashMenuItem2[] PROGMEM = "16bit adapter (old)";
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static const char flashMenuItem3[] PROGMEM = "Eprom adapter (beta)";
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static const char* const menuOptionsFlash[] PROGMEM = {flashMenuItem1, flashMenuItem2, flashMenuItem3};
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// 8bit Flash menu items
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@ -54,7 +56,7 @@ void flashMenu() {
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unsigned char flashSlot;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsFlash, 3);
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flashSlot = question_box("Select flashrom slot", menuOptions, 3, 0);
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flashSlot = question_box("Select adapter PCB", menuOptions, 3, 0);
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// wait for user choice to come back from the question box menu
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switch (flashSlot)
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@ -148,6 +150,10 @@ void flashromMenu8() {
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writeFlash29F1610();
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else if ((strcmp(flashid, "C2C4") == 0) || (strcmp(flashid, "C2A7") == 0) || (strcmp(flashid, "C2A8") == 0) || (strcmp(flashid, "C2C9") == 0) || (strcmp(flashid, "C2CB") == 0))
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writeFlash29LV640();
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else if (strcmp(flashid, "017E") == 0) {
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// sector size, write buffer size
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writeFlash29GL(sectorSize, bufferSize);
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}
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}
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delay(100);
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// Reset twice just to be sure
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@ -170,8 +176,12 @@ void flashromMenu8() {
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idFlash29F032();
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else
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idFlash29F1610();
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println_Msg(flashid);
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println_Msg(F(""));
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printFlash(40);
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println_Msg(F(""));
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display_Update();
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if (flashromType == 1)
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resetFlash29F032();
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else
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@ -275,7 +285,9 @@ void flashromMenu16() {
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display_Clear();
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println_Msg(F("ID Flashrom"));
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idFlash16();
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println_Msg(flashid);
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println_Msg(F(""));
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printFlash16(40);
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println_Msg(F(""));
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display_Update();
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resetFlash16();
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break;
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@ -426,44 +438,74 @@ idtheflash:
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flashromType = 2;
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}
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else if ((strcmp(flashid, "C2A7") == 0) || (strcmp(flashid, "C2A8") == 0)) {
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println_Msg(F("MX29LV320"));
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println_Msg(F("MX29LV320 detected"));
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println_Msg(F("ATTENTION 3.3V"));
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flashSize = 4194304;
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flashromType = 2;
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}
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else if ((strcmp(flashid, "C2C9") == 0) || (strcmp(flashid, "C2CB") == 0)) {
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println_Msg(F("MX29LV640"));
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println_Msg(F("MX29LV640 detected"));
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println_Msg(F("ATTENTION 3.3V"));
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flashSize = 8388608;
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flashromType = 2;
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}
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else if (strcmp(flashid, "0141") == 0) {
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println_Msg(F("AM29F032B"));
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println_Msg(F("AM29F032B detected"));
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flashSize = 4194304;
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flashromType = 1;
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}
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else if (strcmp(flashid, "01AD") == 0) {
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println_Msg(F("AM29F016B"));
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println_Msg(F("AM29F016B detected"));
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flashSize = 2097152;
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flashromType = 1;
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}
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else if (strcmp(flashid, "20AD") == 0) {
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println_Msg(F("AM29F016D"));
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println_Msg(F("AM29F016D detected"));
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flashSize = 2097152;
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flashromType = 1;
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}
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else if (strcmp(flashid, "04D4") == 0) {
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println_Msg(F("MBM29F033C"));
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println_Msg(F("MBM29F033C detected"));
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flashSize = 4194304;
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flashromType = 1;
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}
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else if (strcmp(flashid, "017E") == 0) {
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// S29GL032M
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if (readByte_Flash(28) == 0x1A) {
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println_Msg(F("S29GL032M detected"));
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flashSize = 4194304;
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sectorSize = 65536;
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bufferSize = 32;
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}
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// Unknown S29GL type
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else {
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println_Msg(F("Unknown S29GL Type"));
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flashSize = 4194304;
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sectorSize = 65536;
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bufferSize = 32;
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}
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println_Msg(F("ATTENTION 3.3V"));
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flashromType = 2;
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}
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else if (secondID) {
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// Backup first ID read-out
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strncpy(vendorID, flashid, 5);
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// Read ID a second time using a different command
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idFlash29F1610();
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secondID = 0;
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goto idtheflash;
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}
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else {
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print_Error(F("Unknown flashrom"), true);
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// ID not found
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display_Clear();
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println_Msg(F("Flashrom Writer 8bit"));
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println_Msg(" ");
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print_Msg(F("ID Type 1: "));
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println_Msg(vendorID);
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print_Msg(F("ID Type 2: "));
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println_Msg(flashid);
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println_Msg(" ");
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print_Error(F("UNKNOWN FLASHROM"), true);
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}
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println_Msg(" ");
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println_Msg(F("Press Button..."));
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@ -533,13 +575,13 @@ void setup_Flash16() {
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flashromType = 2;
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}
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else if ((strcmp(flashid, "C2A7") == 0) || (strcmp(flashid, "C2A8") == 0)) {
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println_Msg(F("MX29LV320"));
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println_Msg(F("MX29LV320 detected"));
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println_Msg(F("ATTENTION 3.3V"));
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flashSize = 4194304;
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flashromType = 2;
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}
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else if ((strcmp(flashid, "C2C9") == 0) || (strcmp(flashid, "C2CB") == 0)) {
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println_Msg(F("MX29LV640"));
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println_Msg(F("MX29LV640 detected"));
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println_Msg(F("ATTENTION 3.3V"));
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flashSize = 8388608;
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flashromType = 2;
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@ -1100,6 +1142,74 @@ void writeFlash29LV640() {
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}
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}
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/******************************************
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S29GL flashrom functions
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*****************************************/
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void writeFlash29GL(unsigned long sectorSize, byte bufferSize) {
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// Create filepath
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sprintf(filePath, "%s/%s", filePath, fileName);
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println_Msg(F("Flashing file "));
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println_Msg(filePath);
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display_Update();
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// Open file on sd card
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if (myFile.open(filePath, O_READ)) {
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// Get rom size from file
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fileSize = myFile.fileSize();
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if (fileSize > flashSize)
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print_Error(F("File size exceeds flash size."), true);
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// Set data pins to output
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dataOut();
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for (unsigned long currSector = 0; currSector < fileSize; currSector += sectorSize) {
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// Blink led
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PORTB ^= (1 << 4);
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// Write to flashrom
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for (unsigned long currSdBuffer = 0; currSdBuffer < sectorSize; currSdBuffer += 512) {
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// Fill SD buffer
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myFile.read(sdBuffer, 512);
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// Write bufferSize bytes at a time
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for (int currWriteBuffer = 0; currWriteBuffer < 512; currWriteBuffer += bufferSize) {
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// 2 unlock commands
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writeByte_Flash(0x555 << 1, 0xaa);
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writeByte_Flash(0x2aa << 1, 0x55);
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// Write buffer load command at sector address
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writeByte_Flash(currSector + currSdBuffer + currWriteBuffer, 0x25);
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// Write byte count (minus 1) at sector address
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writeByte_Flash(currSector + currSdBuffer + currWriteBuffer, bufferSize - 1);
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// Load bytes into buffer
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for (byte currByte = 0; currByte < bufferSize; currByte++) {
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writeByte_Flash(currSector + currSdBuffer + currWriteBuffer + currByte, sdBuffer[currWriteBuffer + currByte]);
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}
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// Write Buffer to Flash
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writeByte_Flash(currSector + currSdBuffer + currWriteBuffer + bufferSize - 1, 0x29);
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// Read the status register at last written address
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dataIn8();
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byte statusReg = readByte_Flash(currSector + currSdBuffer + currWriteBuffer + bufferSize - 1);
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while ((statusReg & 0x80) != (sdBuffer[currWriteBuffer + bufferSize - 1] & 0x80)) {
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statusReg = readByte_Flash(currSector + currSdBuffer + currWriteBuffer + bufferSize - 1);
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}
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dataOut();
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}
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}
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}
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// Set data pins to input again
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dataIn8();
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// Close the file:
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myFile.close();
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}
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else {
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println_Msg(F("Can't open file on SD"));
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display_Update();
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}
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}
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/******************************************
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Common flashrom functions
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*****************************************/
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@ -617,7 +617,7 @@ boolean checkcart_SNES() {
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romSize = 12;
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numBanks = 48;
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}
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else if (cx4Type == 3){ // X3
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else if (cx4Type == 3) { // X3
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romSize = 16;
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numBanks = 64;
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}
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