mirror of https://github.com/sanni/cartreader.git
646 lines
14 KiB
C++
646 lines
14 KiB
C++
//******************************************
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// Super A'can MODULE
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// Only tested with HW3 and HW5
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//******************************************
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#ifdef ENABLE_SUPRACAN
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/******************************************
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Menu
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*****************************************/
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static const char acanMenuItem4[] PROGMEM = "Read UM6650";
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static const char acanMenuItem5[] PROGMEM = "Write UM6650";
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static const char acanMenuItem6[] PROGMEM = "Flash repro";
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static const char *const menuOptionsAcan[] PROGMEM = { FSTRING_READ_ROM, FSTRING_READ_SAVE, FSTRING_WRITE_SAVE, acanMenuItem4, acanMenuItem5, FSTRING_RESET, acanMenuItem6 };
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void setup_SuprAcan() {
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// Request 5V
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setVoltage(VOLTS_SET_5V);
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// addr as output
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DDRF = 0xff; // A0 - A7
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DDRK = 0xff; // A8 - A15
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DDRL = 0xff; // A16 - A23
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// data as input
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DDRC = 0xff;
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DDRA = 0xff;
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PORTC = 0x00; // disable internal pull-up
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PORTA = 0x00;
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DDRC = 0x00; // D0 - D7
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DDRA = 0x00; // D8 - D15
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// set /RST(PH0), /CS(PH3), C27(PH4), R/W(PH5), /AS(PH6) output
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DDRH |= ((1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6));
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PORTH |= ((1 << 3) | (1 << 5) | (1 << 6));
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PORTH &= ~((1 << 0) | (1 << 4));
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// set 6619_124(PE4) input
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DDRE &= ~(1 << 4);
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// detect if flash chip exists
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PORTG |= (1 << 5);
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DDRG |= (1 << 5);
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PORTG |= (1 << 5);
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dataOut_MD();
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writeWord_Acan(0xaaaa, 0xaaaa);
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writeWord_Acan(0x5555, 0x5555);
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writeWord_Acan(0xaaaa, 0x9090);
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dataIn_MD();
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eepbit[0] = readWord_Acan(0x2);
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eepbit[1] = readWord_Acan(0x0);
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dataOut_MD();
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writeWord_Acan(0x0, 0xf0f0);
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dataIn_MD();
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// set /CARTIN(PG5) input
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PORTG &= ~(1 << 5);
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DDRG &= ~(1 << 5);
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*((uint32_t *)(eepbit + 4)) = getFlashChipSize_Acan(*((uint16_t *)eepbit));
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display_Clear();
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initializeClockOffset();
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// clockgen
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if (i2c_found) {
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clockgen.set_freq(1073863500ULL, SI5351_CLK1); // cpu
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clockgen.set_freq(357954500ULL, SI5351_CLK2); // subcarrier
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clockgen.set_freq(5369317500ULL, SI5351_CLK0); // master clock
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clockgen.output_enable(SI5351_CLK1, 1);
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clockgen.output_enable(SI5351_CLK2, 1);
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clockgen.output_enable(SI5351_CLK0, 0);
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// Wait for clock generator
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clockgen.update_status();
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delay(500);
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}
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#ifdef ENABLE_CLOCKGEN
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else {
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print_FatalError(F("Clock Generator not found"));
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}
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#endif
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checkRomExist_Acan();
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wait();
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}
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void suprAcanMenu() {
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uint8_t mainMenu = 6;
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if (*((uint32_t *)(eepbit + 4)) > 0)
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mainMenu = 7;
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convertPgm(menuOptionsAcan, mainMenu);
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mainMenu = question_box(F("Super A'can Menu"), menuOptions, mainMenu, 0);
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switch (mainMenu) {
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case 0:
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{
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readROM_Acan();
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break;
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}
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case 1:
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{
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readSRAM_Acan();
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break;
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}
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case 2:
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{
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writeSRAM_Acan();
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verifySRAM_Acan();
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break;
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}
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case 3:
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{
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readUM6650();
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break;
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}
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case 4:
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{
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writeUM6650();
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verifyUM6650();
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break;
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}
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case 6:
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{
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flashCart_Acan();
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break;
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}
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default:
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{
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resetCart_Acan();
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resetArduino();
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break;
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}
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}
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println_Msg(FS(FSTRING_EMPTY));
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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}
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static void readROM_Acan() {
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uint32_t crc32 = 0xffffffff;
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EEPROM_readAnything(0, foldern);
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snprintf(folder, FILEPATH_LENGTH, "/ACAN/ROM/%d", foldern);
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display_Clear();
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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sd.mkdir(folder, true);
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sd.chdir(folder);
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if (!myFile.open("rom.bin", O_RDWR | O_CREAT))
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print_FatalError(create_file_STR);
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foldern++;
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EEPROM_writeAnything(0, foldern);
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draw_progressbar(0, cartSize);
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dataIn_MD();
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for (uint32_t addr = 0; addr < cartSize; addr += 512, draw_progressbar(addr, cartSize)) {
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for (uint32_t i = 0; i < 512; i += 2) {
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*((uint16_t *)(sdBuffer + i)) = readWord_Acan(addr + i);
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UPDATE_CRC(crc32, sdBuffer[i]);
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UPDATE_CRC(crc32, sdBuffer[i + 1]);
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}
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myFile.write(sdBuffer, 512);
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if ((addr & ((1 << 14) - 1)) == 0)
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blinkLED();
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}
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crc32 = ~crc32;
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myFile.close();
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print_Msg(F("CRC32: "));
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print_Msg_PaddedHex32(crc32);
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println_Msg(FS(FSTRING_EMPTY));
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print_STR(done_STR, 1);
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}
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static void readSRAM_Acan() {
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// create a new folder for storing rom file
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EEPROM_readAnything(0, foldern);
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snprintf(folder, FILEPATH_LENGTH, "/ACAN/SAVE/%d", foldern);
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display_Clear();
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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sd.mkdir(folder, true);
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sd.chdir(folder);
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if (!myFile.open("save.bin", O_RDWR | O_CREAT))
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print_FatalError(create_file_STR);
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foldern++;
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EEPROM_writeAnything(0, foldern);
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dataIn_MD();
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for (uint32_t i = 0; i < 0x10000; i += 1024) {
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for (uint32_t j = 0; j < 1024; j += 2)
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sdBuffer[(j >> 1)] = readWord_Acan(0xec0000 + i + j);
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myFile.write(sdBuffer, 512);
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}
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myFile.close();
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print_STR(done_STR, 1);
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}
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static void writeSRAM_Acan() {
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filePath[0] = 0;
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sd.chdir();
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fileBrowser(F("Select a file"));
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snprintf(filePath, FILEPATH_LENGTH, "%s/%s", filePath, fileName);
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display_Clear();
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if (!myFile.open(filePath, O_READ)) {
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print_Error(FS(FSTRING_FILE_DOESNT_EXIST));
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return;
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}
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print_Msg(F("Writing "));
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print_Msg(filePath);
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println_Msg(F("..."));
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display_Update();
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dataOut_MD();
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for (uint32_t i = 0; i < 0x10000 && myFile.available(); i += 1024) {
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myFile.read(sdBuffer, 512);
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for (uint32_t j = 0; j < 1024; j += 2)
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writeWord_Acan(0xec0000 + i + j, sdBuffer[(j >> 1)]);
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}
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myFile.close();
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dataIn_MD();
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print_STR(done_STR, 1);
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}
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static void verifySRAM_Acan() {
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print_STR(verifying_STR, 0);
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display_Update();
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if (!myFile.open(filePath, O_READ)) {
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print_Error(FS(FSTRING_FILE_DOESNT_EXIST));
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return;
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}
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uint16_t write_errors = 0;
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dataIn_MD();
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for (uint32_t i = 0; i < 0x10000 && myFile.available(); i += 1024) {
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myFile.read(sdBuffer, 512);
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for (uint32_t j = 0; j < 1024; j += 2) {
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if (readWord_Acan(0xec0000 + i + j) != sdBuffer[(j >> 1)])
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write_errors++;
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}
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}
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myFile.close();
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if (write_errors == 0) {
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println_Msg(F("passed"));
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} else {
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println_Msg(F("failed"));
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print_Msg(F("Error: "));
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print_Msg(write_errors);
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println_Msg(F(" bytes "));
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print_Error(did_not_verify_STR);
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}
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}
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static void readUM6650() {
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// create a new folder for storing rom file
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EEPROM_readAnything(0, foldern);
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snprintf(folder, sizeof(folder), "/ACAN/UM6650/%d", foldern);
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display_Clear();
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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sd.mkdir(folder, true);
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sd.chdir(folder);
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if (!myFile.open("UM6650.bin", O_RDWR | O_CREAT))
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print_FatalError(create_file_STR);
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foldern++;
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EEPROM_writeAnything(0, foldern);
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for (uint16_t i = 0; i < 256; i++) {
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dataOut_MD();
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writeWord_Acan(0xeb0d03, i);
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dataIn_MD();
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sdBuffer[i] = readWord_Acan(0xeb0d01);
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}
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myFile.write(sdBuffer, 256);
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myFile.close();
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print_STR(done_STR, 1);
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}
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static void verifyUM6650() {
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print_STR(verifying_STR, 0);
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display_Update();
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if (!myFile.open(filePath, O_READ)) {
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print_Error(FS(FSTRING_FILE_DOESNT_EXIST));
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return;
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}
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uint16_t write_errors = 0;
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uint16_t len = myFile.read(sdBuffer, 256);
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myFile.close();
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for (uint16_t i = 0; i < len; i++) {
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dataOut_MD();
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writeWord_Acan(0xeb0d03, i);
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dataIn_MD();
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if (readWord_Acan(0xeb0d01) != sdBuffer[i])
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write_errors++;
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}
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if (write_errors) {
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println_Msg(F("failed"));
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print_Msg(F("Error: "));
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print_Msg(write_errors);
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println_Msg(F(" bytes "));
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print_Error(did_not_verify_STR);
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} else {
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println_Msg(F("passed"));
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}
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}
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static void writeUM6650() {
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filePath[0] = 0;
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sd.chdir("/");
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fileBrowser(F("Select a file"));
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snprintf(filePath, FILEPATH_LENGTH, "%s/%s", filePath, fileName);
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display_Clear();
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if (!myFile.open(filePath, O_READ)) {
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print_Error(FS(FSTRING_FILE_DOESNT_EXIST));
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return;
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}
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uint16_t len = myFile.read(sdBuffer, 256);
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myFile.close();
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print_Msg(F("Writing "));
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print_Msg(filePath);
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println_Msg(F("..."));
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display_Update();
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dataOut_MD();
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for (uint16_t i = 0; i < len; i++) {
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writeWord_Acan(0xeb0d03, i);
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writeWord_Acan(0xeb0d01, sdBuffer[i]);
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delay(10); // for AT28C64B write
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}
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dataIn_MD();
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print_STR(done_STR, 1);
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}
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static void flashCart_Acan() {
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uint32_t *flash_size = (uint32_t *)(eepbit + 4);
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filePath[0] = 0;
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sd.chdir();
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fileBrowser(F("Select a file"));
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snprintf(filePath, FILEPATH_LENGTH, "%s/%s", filePath, fileName);
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display_Clear();
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if (!myFile.open(filePath, O_READ)) {
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print_Error(FS(FSTRING_FILE_DOESNT_EXIST));
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return;
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}
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print_Msg(F("Writing "));
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print_Msg(filePath + 1);
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println_Msg(F("..."));
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display_Update();
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uint32_t i, j, k, file_length = myFile.fileSize();
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uint16_t data;
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DDRG |= (1 << 5);
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PORTG |= (1 << 5);
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draw_progressbar(0, file_length);
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for (i = 0; i < file_length; i += *flash_size) {
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// erase chip
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dataOut_MD();
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writeWord_Acan(i + 0xaaaa, 0xaaaa);
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writeWord_Acan(i + 0x5555, 0x5555);
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writeWord_Acan(i + 0xaaaa, 0x8080);
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writeWord_Acan(i + 0xaaaa, 0xaaaa);
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writeWord_Acan(i + 0x5555, 0x5555);
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writeWord_Acan(i + 0xaaaa, 0x1010);
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dataIn_MD();
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while (readWord_Acan(i) != 0xffff)
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;
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for (j = 0; j < *flash_size; j += 512) {
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myFile.read(sdBuffer, 512);
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for (k = 0; k < 512; k += 2) {
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data = *((uint16_t *)(sdBuffer + k));
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dataOut_MD();
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writeWord_Acan(i + 0xaaaa, 0xaaaa);
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writeWord_Acan(i + 0x5555, 0x5555);
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writeWord_Acan(i + 0xaaaa, 0xa0a0);
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writeWord_Acan(i + j + k, data);
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dataIn_MD();
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while (readWord_Acan(i + j + k) != data)
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;
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}
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draw_progressbar(i + j + k, file_length);
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if ((j & 0xfff) == 0)
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blinkLED();
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}
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}
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PORTG &= ~(1 << 5);
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DDRG &= ~(1 << 5);
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myFile.close();
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print_STR(done_STR, 1);
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checkRomExist_Acan();
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}
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static void checkRomExist_Acan() {
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// RST to 0
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PORTH &= ~(1 << 0);
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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// /RST to 1
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PORTH |= (1 << 0);
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cartSize = getRomSize_Acan();
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romSize = cartSize >> 17;
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mode = CORE_SUPRACAN;
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if (cartSize == 0)
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print_Error(F("Unable to find rom signature..."));
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else {
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print_Msg(F("ROM Size: "));
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print_Msg(romSize);
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println_Msg(F(" Mb"));
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}
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display_Update();
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}
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static uint32_t getRomSize_Acan() {
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uint32_t addr = 0;
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uint32_t crc32;
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do {
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// check if there is rom chip exists
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// pull-up enable
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DDRC = 0xff;
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DDRA = 0xff;
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PORTC = 0xff;
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PORTA = 0xff;
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DDRC = 0x00;
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DDRA = 0x00;
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*((uint16_t *)sdBuffer) = readWord_Acan(addr);
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// pull-up disable
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DDRC = 0xff;
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DDRA = 0xff;
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PORTC = 0x00;
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PORTA = 0x00;
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DDRC = 0x00;
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DDRA = 0x00;
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*((uint16_t *)(sdBuffer + 2)) = readWord_Acan(addr);
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// should be them same if chip exists
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if (sdBuffer[0] != sdBuffer[2] || sdBuffer[1] != sdBuffer[3])
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break;
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crc32 = 0xffffffff;
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for (uint32_t i = 0x2000; i < 0x2080; i += 2) {
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*((uint16_t *)sdBuffer) = readWord_Acan(addr + i);
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UPDATE_CRC(crc32, sdBuffer[0]);
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UPDATE_CRC(crc32, sdBuffer[1]);
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}
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crc32 = ~crc32;
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if (crc32 == 0xa2bc9d7a) {
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if (addr > 0)
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break;
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} else {
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if (addr == 0)
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break;
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}
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addr += 0x80000;
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} while (addr < 0x800000);
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return addr;
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}
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static void resetCart_Acan() {
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// set /CS(PH3), R/W(PH5), /AS(PH6) high
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// /RST(PH0) and C27(PH4) low
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PORTH |= ((1 << 3) | (1 << 5) | (1 << 6));
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PORTH &= ~((1 << 0) | (1 << 4));
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if (i2c_found) {
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clockgen.output_enable(SI5351_CLK1, 0); // CPU clock
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clockgen.output_enable(SI5351_CLK2, 0); // CIC clock
|
|
clockgen.output_enable(SI5351_CLK0, 0); // master clock
|
|
}
|
|
}
|
|
|
|
static void writeWord_Acan(uint32_t addr, uint16_t data) {
|
|
uint8_t *ptr = (uint8_t *)&addr;
|
|
|
|
PORTF = *ptr++;
|
|
PORTK = *ptr++;
|
|
PORTL = *ptr;
|
|
|
|
if (*ptr < 0xe0) {
|
|
// ROM area
|
|
// /CS(PH3), C27(PH4), R/W(PH5), /AS(PH6) to L
|
|
PORTH &= ~((1 << 3) | (1 << 4) | (1 << 5) | (1 << 6));
|
|
} else if (*ptr == 0xec) {
|
|
// save area
|
|
// /CS(PH3) to H, C27(PH4), R/W(PH5), /AS(PH6) to L
|
|
PORTH |= (1 << 3);
|
|
PORTH &= ~((1 << 4) | (1 << 5) | (1 << 6));
|
|
} else if (addr == 0x00eb0d03 || addr == 0x00eb0d01) {
|
|
// UM6650 area
|
|
// /CS(PH3), C27(PH4) to H, R/W(PH5), /AS(PH6) to L
|
|
PORTH |= ((1 << 3) | (1 << 4));
|
|
PORTH &= ~((1 << 5) | (1 << 6));
|
|
}
|
|
|
|
ptr = (uint8_t *)&data;
|
|
PORTC = *ptr++;
|
|
PORTA = *ptr;
|
|
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
PORTH &= ~(1 << 4);
|
|
PORTH |= ((1 << 3) | (1 << 5) | (1 << 6));
|
|
}
|
|
|
|
static uint16_t readWord_Acan(uint32_t addr) {
|
|
uint8_t *ptr = (uint8_t *)&addr;
|
|
uint16_t data;
|
|
|
|
PORTF = *ptr++;
|
|
PORTK = *ptr++;
|
|
PORTL = *ptr;
|
|
|
|
if (*ptr < 0xe0) {
|
|
// ROM area
|
|
// /CS(PH3), C27(PH4), /AS(PH6) to L
|
|
PORTH &= ~((1 << 3) | (1 << 4) | (1 << 6));
|
|
} else if (*ptr == 0xec) {
|
|
// save area
|
|
// /CS(PH3) to H, C27(PH4), /AS(PH6) to L
|
|
PORTH |= (1 << 3);
|
|
PORTH &= ~((1 << 4) | (1 << 6));
|
|
} else if (addr == 0x00eb0d03 || addr == 0x00eb0d01) {
|
|
// UM6650 area
|
|
// /CS(PH3), C27(PH4) to H, /AS(PH6) to L
|
|
PORTH |= ((1 << 3) | (1 << 4));
|
|
PORTH &= ~(1 << 6);
|
|
}
|
|
|
|
ptr = (uint8_t *)&data;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
*ptr++ = PINC;
|
|
*ptr = PINA;
|
|
|
|
PORTH &= ~(1 << 4);
|
|
PORTH |= ((1 << 3) | (1 << 5) | (1 << 6));
|
|
|
|
return data;
|
|
}
|
|
|
|
static uint32_t getFlashChipSize_Acan(uint16_t chip_id) {
|
|
// 0x0458 (8M), 0x01ab (4M), 0x01d8 (16M)
|
|
switch (chip_id) {
|
|
case 0x01ab: return 524288;
|
|
case 0x0458: return 1048576;
|
|
case 0x01d8: return 2097152;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|