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V25: Enabled reading of Nintendo Power GB Memory cartridges
Not super reliable right now.
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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: 2017-05-21
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Version: V24E
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Date: 2017-05-30
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Version: V25
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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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@ -34,7 +34,7 @@
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YamaArashi - GBA flashrom bank switch command
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**********************************************************************************/
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char ver[5] = "V24E";
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char ver[5] = "V25";
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/******************************************
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Define Output
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@ -170,7 +170,7 @@ boolean ignoreError;
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// File browser
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char fileName[26];
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char filePath[36];
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char filePath[50];
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byte currPage;
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byte lastPage;
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byte numPages;
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@ -407,8 +407,8 @@ void mainMenu() {
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// create menu with title and 2 options to choose from
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unsigned char npCart;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsNP, 1);
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npCart = question_box("Select NP Cart", menuOptions, 1, 0);
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convertPgm(menuOptionsNP, 2);
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npCart = question_box("Select NP Cart", menuOptions, 2, 0);
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// wait for user choice to come back from the question box menu
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switch (npCart)
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@ -271,6 +271,22 @@ void sfmFlashMenu() {
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// Write Flash
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case 1:
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// Clear screen
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display_Clear();
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// Print warning
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println_Msg(F("Attention"));
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println_Msg(F("This will erase your"));
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println_Msg(F("NP Cartridge."));
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println_Msg("");
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println_Msg(F("Press Button"));
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println_Msg(F("to continue"));
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display_Update();
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wait();
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// Clear screen
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display_Clear();
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filePath[0] = '\0';
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sd.chdir("/");
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// Launch file browser
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@ -377,6 +393,19 @@ void sfmFlashMenu() {
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// Clear screen
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display_Clear();
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// Print warning
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println_Msg(F("Attention"));
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println_Msg(F("This will erase your"));
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println_Msg(F("NP Cartridge."));
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println_Msg("");
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println_Msg(F("Press Button"));
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println_Msg(F("to continue"));
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display_Update();
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wait();
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// Clear screen
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display_Clear();
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// Reset to root directory
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sd.chdir("/");
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@ -1438,8 +1467,8 @@ void write_SFM(int startBank, uint32_t pos) {
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*****************************************/
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// GBM menu items
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static const char gbmMenuItem1[] PROGMEM = "Read Flash";
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static const char gbmMenuItem2[] PROGMEM = "Write Flash";
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static const char gbmMenuItem3[] PROGMEM = "Read Mapping";
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static const char gbmMenuItem2[] PROGMEM = "Read Mapping";
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static const char gbmMenuItem3[] PROGMEM = "Write Flash";
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static const char gbmMenuItem4[] PROGMEM = "Write Mapping";
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static const char* const menuOptionsGBM[] PROGMEM = {gbmMenuItem1, gbmMenuItem2, gbmMenuItem3, gbmMenuItem4};
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@ -1447,8 +1476,8 @@ void gbmMenu() {
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// create menu with title and 4 options to choose from
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unsigned char mainMenu;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsGBM, 4);
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mainMenu = question_box("GB Memory Menu", menuOptions, 4, 0);
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convertPgm(menuOptionsGBM, 2);
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mainMenu = question_box("GB Memory Menu", menuOptions, 2, 0);
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// wait for user choice to come back from the question box menu
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switch (mainMenu)
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@ -1464,23 +1493,8 @@ void gbmMenu() {
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readFlash_GBM();
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break;
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// Write Flash
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// Read mapping
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case 1:
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filePath[0] = '\0';
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sd.chdir("/");
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// Launch file browser
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fileBrowser("Select 1MB file");
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display_Clear();
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sprintf(filePath, "%s/%s", filePath, fileName);
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println_Msg(F("Writing rom"));
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display_Update();
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// Write flash
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writeFlash_GBM();
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break;
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// Print mapping
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case 2:
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// Clear screen
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display_Clear();
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@ -1491,11 +1505,53 @@ void gbmMenu() {
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readMapping_GBM();
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break;
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// Write Flash
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case 2:
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// Clear screen
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display_Clear();
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// Print warning
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println_Msg(F("Attention"));
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println_Msg(F("This will erase your"));
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println_Msg(F("NP Cartridge."));
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println_Msg("");
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println_Msg(F("Press Button"));
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println_Msg(F("to continue"));
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display_Update();
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wait();
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// Clear screen
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display_Clear();
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filePath[0] = '\0';
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sd.chdir("/");
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// Launch file browser
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fileBrowser("Select 1MB file");
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display_Clear();
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sprintf(filePath, "%s/%s", filePath, fileName);
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// Write rom
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writeRom_GBM();
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break;
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// Write mapping
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case 3:
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// Clear screen
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display_Clear();
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// Print warning
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println_Msg(F("Attention"));
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println_Msg(F("This will erase your"));
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println_Msg(F("NP Cartridge."));
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println_Msg("");
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println_Msg(F("Press Button"));
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println_Msg(F("to continue"));
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display_Update();
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wait();
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// Clear screen
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display_Clear();
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// Reset to root directory
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sd.chdir("/");
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@ -1758,9 +1814,11 @@ boolean wakeup_GBM() {
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// First byte of NP register is always 0x21
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while (readByte_GBM(0x0120) != 0x21) {
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send_GBM(0x09);
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__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
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timeout++;
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if (timeout > 4) {
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print_Error(F("Error: Time Out"), true);
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if (timeout > 10) {
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println_Msg(F("Error: Time Out"));
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print_Error(F("Please power cycle"), true);
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return 0;
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}
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}
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@ -1888,14 +1946,85 @@ void readFlash_GBM() {
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}
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void eraseFlash_GBM() {
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// Enable ports 0x0120...
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wakeup_GBM();
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// Set WE and WP
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enableWrite_GBM();
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// Unprotect sector 0
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writeByte_GBM(0x2100, 0x01);
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send_Flash(0x5555, 0xAA);
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send_Flash(0x2AAA, 0x55);
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send_Flash(0x5555, 0x60);
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send_Flash(0x5555, 0xAA);
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send_Flash(0x2AAA, 0x55);
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writeByte_GBM(0x2100, 0x0);
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send_Flash(0x0000, 0x40);
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// Send erase command
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writeByte_GBM(0x2100, 0x01);
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send_Flash(0x5555, 0xaa);
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send_Flash(0x2AAA, 0x55);
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send_Flash(0x5555, 0x80);
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send_Flash(0x5555, 0xaa);
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send_Flash(0x2AAA, 0x55);
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send_Flash(0x5555, 0x10);
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// Wait for erase to complete
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while ((readByte_GBM(0) & 0x80) != 0x80) {
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}
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}
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boolean blankcheckFlash_GBM() {
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// Reset flashrom
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resetFlash_GBM();
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// Map entire flashrom
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//send_GBM(0x04);
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// Disable ports 0x0120...
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send_GBM(0x08);
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// Read rom
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word currAddress = 0;
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for (byte currBank = 1; currBank < 64; currBank++) {
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// Set rom bank
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writeByte_GBM(0x2100, currBank);
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// Switch bank start address
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if (currBank > 1) {
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currAddress = 0x4000;
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}
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for (; currAddress < 0x7FFF; currAddress++) {
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if (readByte_GBM(currAddress) != 0xFF) {
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return 0;
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}
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}
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}
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return 1;
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}
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void writeFlash_GBM() {
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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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for (unsigned long currBuffer = 0; currBuffer < fileSize; currBuffer += 128) {
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// Fill SD buffer
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myFile.read(sdBuffer, 128);
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}
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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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print_Error(F("Can't open file"), false);
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}
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}
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void writeRom_GBM() {
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// Enable ports 0x0120...
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wakeup_GBM();
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@ -1903,10 +2032,14 @@ void writeFlash_GBM() {
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if (readFlashID_GBM()) {
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// Reset flashrom to leave flashID area and switch to output
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resetFlash_GBM();
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// Earse flash
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// Erase flash
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print_Msg(F("Erasing..."));
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display_Update();
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eraseFlash_GBM();
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if (blankcheckFlash_GBM()) {
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println_Msg(F("Ok"));
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display_Update();
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writeFlash_GBM();
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}
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else {
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print_Error(F("Erase failed"), true);
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