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/**********************************************************************************
Cartridge Reader for Arduino Mega2560
This project represents a community-driven effort to provide
an easy to build and easy to modify cartridge dumper.
Date: 2024-03-02
Version: 13.2
SD lib: https://github.com/greiman/SdFat
LCD lib: https://github.com/olikraus/u8g2
Neopixel lib: https://github.com/adafruit/Adafruit_NeoPixel
Rotary Enc lib: https://github.com/mathertel/RotaryEncoder
SI5351 lib: https://github.com/etherkit/Si5351Arduino
RTC lib: https://github.com/adafruit/RTClib
Frequency lib: https://github.com/PaulStoffregen/FreqCount
Compiled with Arduino IDE 2.2.1
Thanks to:
MichlK - ROM Reader for Super Nintendo
Jeff Saltzman - 4-Way Button
Wayne and Layne - Video Game Shield menu
skaman - Cart ROM READER SNES ENHANCED, Famicom Cart Dumper, Coleco-, Intellivision, Virtual Boy, WSV, PCW, ARC, Atari 2600/5200/7800, ODY2, Fairchild, MSX, Pokemon Mini, C64, Vectrex modules
Tamanegi_taro - PCE and Satellaview modules
splash5 - GBSmart, Wonderswan, NGP and Super A'can modules
partlyhuman - Casio Loopy module
hkz & themanbehindthecurtain - N64 flashram commands
Andrew Brown & Peter Den Hartog - N64 controller protocol
libdragon - N64 controller checksum functions
Angus Gratton - CRC32
Snes9x - SuperFX sram fix
insidegadgets - GBCartRead
RobinTheHood - GameboyAdvanceRomDumper
Gens-gs - Megadrive checksum
fceux - iNes header
And a special Thank You to all coders and contributors on Github and the Arduino forum:
jiyunomegami, splash5, Kreeblah, ramapcsx2, PsyK0p4T, Dakkaron, majorpbx, Pickle, sdhizumi,
Uzlopak, sakman55, Tombo89, scrap-a, borti4938, vogelfreiheit, CaitSith2, Modman,
philenotfound, karimhadjsalem, nsx0r, ducky92, niklasweber, Lesserkuma, BacteriaMage,
vpelletier, Ancyker, mattiacci, RWeick, joshman196, partlyhuman, ButThouMust, hxlnt,
breyell, qufb
And to nocash for figuring out the secrets of the SFC Nintendo Power cartridge.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
**********************************************************************************/
#include "OSCR.h"
/******************************************
Libraries
*****************************************/
// SD Card
SdFs sd;
FsFile myFile;
#ifdef ENABLE_GLOBAL_LOG
FsFile myLog;
bool dont_log = false;
#endif
// AVR Eeprom
#include <EEPROM.h>
// forward declarations for "T" (for non Arduino IDE)
template<class T> int EEPROM_writeAnything(int ee, const T& value);
template<class T> int EEPROM_readAnything(int ee, T& value);
// Graphic SPI LCD
#ifdef ENABLE_LCD
#include <U8g2lib.h>
U8G2_ST7567_OS12864_F_4W_HW_SPI display(U8G2_R2, /* cs=*/12, /* dc=*/11, /* reset=*/10);
#endif
// Rotary Encoder
#ifdef ENABLE_ROTARY
#include <RotaryEncoder.h>
#define PIN_IN1 18
#define PIN_IN2 19
#ifdef rotate_counter_clockwise
RotaryEncoder encoder(PIN_IN2, PIN_IN1, RotaryEncoder::LatchMode::FOUR3);
#else
RotaryEncoder encoder(PIN_IN1, PIN_IN2, RotaryEncoder::LatchMode::FOUR3);
#endif
int rotaryPos = 0;
#endif
// Choose RGB LED type
#ifdef ENABLE_NEOPIXEL
// Neopixel
#include <Adafruit_NeoPixel.h>
Adafruit_NeoPixel pixels(3, 13, NEO_GRB + NEO_KHZ800);
#endif
typedef enum COLOR_T {
blue_color,
red_color,
purple_color,
green_color,
turquoise_color,
yellow_color,
white_color,
} color_t;
// Graphic I2C OLED
#ifdef ENABLE_OLED
#include <U8g2lib.h>
U8G2_SSD1306_128X64_NONAME_F_HW_I2C display(U8G2_R0, /* reset=*/U8X8_PIN_NONE);
#endif
// Adafruit Clock Generator
#include <si5351.h>
Si5351 clockgen;
bool i2c_found;
// RTC Library
#ifdef ENABLE_RTC
#define _RTC_H
#include "RTClib.h"
#endif
// Clockgen Calibration
#ifdef OPTION_CLOCKGEN_CALIBRATION
#include "FreqCount.h"
#endif
void _print_FatalError(void) __attribute__((noreturn));
void print_FatalError(const __FlashStringHelper* errorMessage) __attribute__((noreturn));
void print_FatalError(byte errorMessage) __attribute__((noreturn));
/******************************************
End of inclusions and forward declarations
*****************************************/
template<class T> int EEPROM_writeAnything(int ee, const T& value) {
const byte* p = (const byte*)(const void*)&value;
unsigned int i;
for (i = 0; i < sizeof(value); i++)
EEPROM.write(ee++, *p++);
return i;
}
template<class T> int EEPROM_readAnything(int ee, T& value) {
byte* p = (byte*)(void*)&value;
unsigned int i;
for (i = 0; i < sizeof(value); i++)
*p++ = EEPROM.read(ee++);
return i;
}
/******************************************
Common Strings
*****************************************/
#define press_button_STR 0
#define sd_error_STR 1
#define reset_STR 2
#define did_not_verify_STR 3
#define _bytes_STR 4
#define error_STR 5
#define create_file_STR 6
#define open_file_STR 7
#define file_too_big_STR 8
#define done_STR 9
#define saving_to_STR 10
#define verifying_STR 11
#define flashing_file_STR 12
#define press_to_change_STR 13
#define right_to_select_STR 14
#define rotate_to_change_STR 15
#define press_to_select_STR 16
// This arrays holds the most often uses strings
constexpr char string_press_button0[] PROGMEM = "Press Button...";
constexpr char string_sd_error1[] PROGMEM = "SD Error";
constexpr char string_did_not_verify3[] PROGMEM = "did not verify";
constexpr char string_bytes4[] PROGMEM = " bytes ";
constexpr char string_error5[] PROGMEM = "Error: ";
constexpr char string_create_file6[] PROGMEM = "Can't create file";
constexpr char string_open_file7[] PROGMEM = "Can't open file";
constexpr char string_file_too_big8[] PROGMEM = "File too big";
constexpr char string_done9[] PROGMEM = "Done";
constexpr char string_saving_to10[] PROGMEM = "Saving to ";
constexpr char string_verifying11[] PROGMEM = "Verifying...";
constexpr char string_flashing_file12[] PROGMEM = "Flashing file ";
constexpr char string_press_to_change13[] PROGMEM = "Press left to Change";
constexpr char string_right_to_select14[] PROGMEM = "and right to Select";
constexpr char string_rotate_to_change15[] PROGMEM = "Rotate to Change";
constexpr char string_press_to_select16[] PROGMEM = "Press to Select";
static const char* const string_table[] PROGMEM = { string_press_button0, string_sd_error1, FSTRING_RESET, string_did_not_verify3, string_bytes4, string_error5, string_create_file6, string_open_file7, string_file_too_big8, string_done9, string_saving_to10, string_verifying11, string_flashing_file12, string_press_to_change13, string_right_to_select14, string_rotate_to_change15, string_press_to_select16 };
void print_STR(byte string_number, boolean newline) {
char string_buffer[22];
strcpy_P(string_buffer, (char*)pgm_read_word(&(string_table[string_number])));
if (newline)
println_Msg(string_buffer);
else
print_Msg(string_buffer);
}
/******************************************
Defines
*****************************************/
// optimization-safe nop delay
#define NOP __asm__ __volatile__("nop\n\t")
// Button timing
#define debounce 20 // ms debounce period to prevent flickering when pressing or releasing the button
#define DCgap 250 // max ms between clicks for a double click event
#define holdTime 2000 // ms hold period: how long to wait for press+hold event
#define longHoldTime 5000 // ms long hold period: how long to wait for press+hold event
/******************************************
Variables
*****************************************/
#ifdef ENABLE_ROTARY
// Button debounce
boolean buttonState = HIGH; // the current reading from the input pin
boolean lastButtonState = HIGH; // the previous reading from the input pin
unsigned long lastDebounceTime = 0; // the last time the output pin was toggled
unsigned long debounceDelay = 50; // the debounce time; increase if the output flickers
#endif
#ifdef ENABLE_OLED
// Button 1
boolean buttonVal1 = HIGH; // value read from button
boolean buttonLast1 = HIGH; // buffered value of the button's previous state
boolean DCwaiting1 = false; // whether we're waiting for a double click (down)
boolean DConUp1 = false; // whether to register a double click on next release, or whether to wait and click
boolean singleOK1 = true; // whether it's OK to do a single click
long downTime1 = -1; // time the button was pressed down
long upTime1 = -1; // time the button was released
boolean ignoreUp1 = false; // whether to ignore the button release because the click+hold was triggered
boolean waitForUp1 = false; // when held, whether to wait for the up event
boolean holdEventPast1 = false; // whether or not the hold event happened already
boolean longholdEventPast1 = false; // whether or not the long hold event happened already
// Button 2
boolean buttonVal2 = HIGH; // value read from button
boolean buttonLast2 = HIGH; // buffered value of the button's previous state
boolean DCwaiting2 = false; // whether we're waiting for a double click (down)
boolean DConUp2 = false; // whether to register a double click on next release, or whether to wait and click
boolean singleOK2 = true; // whether it's OK to do a single click
long downTime2 = -1; // time the button was pressed down
long upTime2 = -1; // time the button was released
boolean ignoreUp2 = false; // whether to ignore the button release because the click+hold was triggered
boolean waitForUp2 = false; // when held, whether to wait for the up event
boolean holdEventPast2 = false; // whether or not the hold event happened already
boolean longholdEventPast2 = false; // whether or not the long hold event happened already
#endif
#ifdef ENABLE_SERIAL
// For incoming serial data
int incomingByte;
#endif
// Variables for the menu
int choice = 0;
// Temporary array that holds the menu option read out of progmem
char menuOptions[7][20];
boolean ignoreError = 0;
// File browser
#define FILENAME_LENGTH 100
#define FILEPATH_LENGTH 132
#define FILEOPTS_LENGTH 20
char fileName[FILENAME_LENGTH];
char filePath[FILEPATH_LENGTH];
byte currPage;
byte lastPage;
byte numPages;
boolean root = 0;
boolean filebrowse = 0;
// Common
// 21 chars for SNES ROM name, one char for termination
char romName[22];
unsigned long sramSize = 0;
int romType = 0;
byte saveType;
word romSize = 0;
word numBanks = 128;
char checksumStr[9];
bool errorLvl = 0;
byte romVersion = 0;
char cartID[5];
unsigned long cartSize;
unsigned int flashid;
char flashid_str[5];
char vendorID[5];
unsigned long fileSize;
unsigned long sramBase;
unsigned long flashBanks;
bool flashX16Mode;
bool flashSwitchLastBits;
// Variable to count errors
unsigned long writeErrors;
// Operation mode
CORES mode = CORE_MAX;
//remember folder number to create a new folder for every game
int foldern;
// 4 chars for console type, 4 chars for SAVE/ROM, 21 chars for ROM name, 4 chars for folder number, 3 chars for slashes, one char for termination, one char savety
char folder[38];
// Array that holds the data
byte sdBuffer[512];
// soft reset Arduino: jumps to 0
// using the watchdog timer would be more elegant but some Mega2560 bootloaders are buggy with it
void (*resetArduino)(void) __attribute__((noreturn)) = 0;
// Progressbar
void draw_progressbar(uint32_t processedsize, uint32_t totalsize);
// used by MD and NES modules
byte eepbit[8];
byte eeptemp;
// Array to hold iNES header
byte iNES_HEADER[16];
//ID 0-3
//ROM_size 4
//VROM_size 5
//ROM_type 6
//ROM_type2 7
//ROM_type3 8
//Upper_ROM_VROM_size 9
//RAM_size 10
//VRAM_size 11
//TV_system 12
//VS_hardware 13
//reserved 14, 15
//******************************************
// CRC32
//******************************************
// CRC32 lookup table // 256 entries
constexpr uint32_t crc_32_tab[] PROGMEM = { /* CRC polynomial 0xedb88320 */
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
// Defined as a macros, as compiler disregards inlining requests and these are
// performance-critical functions.
#define UPDATE_CRC(crc, ch) \
do { \
uint8_t idx = ((crc) ^ (ch)) & 0xff; \
uint32_t tab_value = pgm_read_dword(crc_32_tab + idx); \
(crc) = tab_value ^ ((crc) >> 8); \
} while (0)
uint32_t updateCRC(const byte* buffer, size_t length, uint32_t crc) {
for (size_t c = 0; c < length; c++) {
UPDATE_CRC(crc, buffer[c]);
}
return crc;
}
uint32_t calculateCRC(const byte* buffer, size_t length) {
uint32_t crc = 0xFFFFFFFF;
crc = updateCRC(buffer, length, crc);
return ~crc;
}
uint32_t calculateCRC(FsFile& infile) {
uint32_t byte_count;
uint32_t crc = 0xFFFFFFFF;
while ((byte_count = infile.read(sdBuffer, sizeof(sdBuffer))) != 0) {
crc = updateCRC(sdBuffer, byte_count, crc);
}
return ~crc;
}
// Calculate rom's CRC32 from SD
uint32_t calculateCRC(char* fileName, char* folder, int offset) {
FsFile infile;
uint32_t result;
sd.chdir(folder);
if (infile.open(fileName, O_READ)) {
infile.seek(offset);
result = calculateCRC(infile);
infile.close();
return result;
} else {
display_Clear();
print_Msg(F("File "));
//print_Msg(folder);
//print_Msg(F("/"));
//print_Msg(fileName);
print_FatalError(F(" not found"));
return 0;
}
}
/******************************************
CRC Functions for Atari, Fairchild, Ody2, Arc, etc. modules
*****************************************/
#if (defined(ENABLE_ODY2) || defined(ENABLE_ARC) || defined(ENABLE_FAIRCHILD) || defined(ENABLE_MSX) || defined(ENABLE_POKE) || defined(ENABLE_2600) || defined(ENABLE_5200) || defined(ENABLE_7800) || defined(ENABLE_C64) || defined(ENABLE_VECTREX))
inline uint32_t updateCRC(uint8_t ch, uint32_t crc) {
uint32_t idx = ((crc) ^ (ch)) & 0xff;
uint32_t tab_value = pgm_read_dword(crc_32_tab + idx);
return tab_value ^ ((crc) >> 8);
}
FsFile crcFile;
char tempCRC[9];
uint32_t crc32(FsFile& file, uint32_t& charcnt) {
uint32_t oldcrc32 = 0xFFFFFFFF;
charcnt = 0;
while (file.available()) {
crcFile.read(sdBuffer, 512);
for (int x = 0; x < 512; x++) {
uint8_t c = sdBuffer[x];
charcnt++;
oldcrc32 = updateCRC(c, oldcrc32);
}
}
return ~oldcrc32;
}
void calcCRC(char* checkFile, unsigned long filesize, uint32_t* crcCopy, unsigned long offset) {
uint32_t crc;
crcFile = sd.open(checkFile);
crcFile.seek(offset);
crc = crc32(crcFile, filesize);
crcFile.close();
sprintf(tempCRC, "%08lX", crc);
if (crcCopy != NULL) {
*crcCopy = crc;
}
print_Msg(F("CRC: "));
println_Msg(tempCRC);
display_Update();
}
#endif
//******************************************
// Functions for CRC32 database
//******************************************
//Skip line
void skip_line(FsFile* readfile) {
int i = 0;
char str_buf;
while (readfile->available()) {
//Read 1 byte from file
str_buf = readfile->read();
//if end of file or newline found, execute command
if (str_buf == '\r') {
readfile->read(); //dispose \n because \r\n
break;
}
i++;
} //End while
}
//Get line from file
void get_line(char* str_buf, FsFile* readfile, uint8_t maxi) {
int read_len;
// Status LED on
statusLED(true);
read_len = readfile->read(str_buf, maxi - 1);
for (int i = 0; i < read_len; i++) {
//if end of file or newline found, execute command
if (str_buf[i] == '\r') {
str_buf[i] = 0;
readfile->seekCur(i - read_len + 2); // +2 to skip over \n because \r\n
return;
}
}
str_buf[maxi - 1] = 0;
// EOL was not found, keep looking (slower)
while (readfile->available()) {
if (readfile->read() == '\r') {
readfile->read(); // read \n because \r\n
break;
}
}
}
void rewind_line(FsFile& readfile, byte count = 1) {
uint32_t position = readfile.curPosition();
// To seek one line back, this code must step over the first newline it finds
// in order to exit the current line and enter the end of the previous one.
// Convert <count> from how-many-lines-back into how-many-newlines-to-look-for
// by incrementing it by 1.
count++;
for (byte count_newline = 0; count_newline < count; count_newline++) {
// Go to the strictly previous '\n', or file start.
while (position) {
// Seek back first (keeping position updated)...
position--;
readfile.seekCur(-1);
// ...and check current byte second.
// Note: this code assumed all files use ASCII with DOS-style newlines
// so \n is encountered first when seeking backwards.
if (readfile.peek() == '\n')
break;
}
}
// If not at file start, the current character is the '\n' just before the
// desired line, so advance by one.
if (position)
readfile.seekCur(1);
}
// Calculate CRC32 if needed and compare it to CRC read from database
boolean compareCRC(const char* database, uint32_t crc32sum, boolean renamerom, int offset) {
char crcStr[9];
print_Msg(F("CRC32... "));
display_Update();
if (crc32sum == 0) {
//go to root
sd.chdir();
// Calculate CRC32
sprintf(crcStr, "%08lX", calculateCRC(fileName, folder, offset));
} else {
// Convert precalculated crc to string
sprintf(crcStr, "%08lX", ~crc32sum);
}
// Print checksum
print_Msg(crcStr);
display_Update();
//Search for CRC32 in file
char gamename[96];
char crc_search[9];
//go to root
sd.chdir();
if (myFile.open(database, O_READ)) {
//Search for same CRC in list
while (myFile.available()) {
//Read 2 lines (game name and CRC)
get_line(gamename, &myFile, sizeof(gamename));
get_line(crc_search, &myFile, sizeof(crc_search));
skip_line(&myFile); //Skip every 3rd line
//if checksum search successful, rename the file and end search
if (strcmp(crc_search, crcStr) == 0) {
#ifdef ENABLE_NES
if ((mode == CORE_NES) && (offset != 0)) {
// Rewind to iNES Header
myFile.seekCur(-36);
char iNES_STR[33];
// Read iNES header
get_line(iNES_STR, &myFile, 33);
// Convert "4E4553" to (0x4E, 0x45, 0x53)
unsigned int iNES_BUF;
for (byte j = 0; j < 16; j++) {
sscanf(iNES_STR + j * 2, "%2X", &iNES_BUF);
iNES_HEADER[j] = iNES_BUF;
}
//Skip CRLF
myFile.seekCur(4);
}
#endif // ENABLE_NES
// Close the file:
myFile.close();
//Write iNES header
#ifdef ENABLE_NES
if ((mode == CORE_NES) && (offset != 0)) {
// Write iNES header
sd.chdir(folder);
if (!myFile.open(fileName, O_RDWR)) {
print_FatalError(sd_error_STR);
}
for (byte z = 0; z < 16; z++) {
myFile.write(iNES_HEADER[z]);
}
myFile.close();
}
#endif // ENABLE_NES
print_Msg(F(" -> "));
display_Update();
if (renamerom) {
println_Msg(gamename);
// Rename file to database name
sd.chdir(folder);
delay(100);
if (myFile.open(fileName, O_READ)) {
myFile.rename(gamename);
// Close the file:
myFile.close();
}
} else {
println_Msg("OK");
}
return 1;
break;
}
}
if (strcmp(crc_search, crcStr) != 0) {
print_Error(F(" -> Not found"));
return 0;
}
} else {
println_Msg(F(" -> Error"));
print_Error(F("Database missing"));
return 0;
}
return 0;
}
void starting_letter__subDraw(byte selection, byte line) {
display.setDrawColor(0);
for (uint8_t i = 0; i < 4; i++) display.drawLine(0, 10 + i * 16, 128, 10 + i * 16);
display.setDrawColor(1);
display.drawLine(4 + selection * 16, 10 + line * 16, 9 + selection * 16, 10 + line * 16);
display_Update();
}
byte starting_letter() {
#ifdef ENABLE_GLOBAL_LOG
// Disable log to prevent unnecessary logging
dont_log = true;
#endif
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
byte selection = 0;
byte line = 0;
display_Clear();
println_Msg(F("[#] [A] [B] [C] [D] [E] [F]"));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(F("[G] [H] [ I ] [J] [K] [L] [M]"));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(F("[N] [O] [P] [Q] [R] [S] [T]"));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(F("[U] [V] [W] [X] [Y] [Z] [?]"));
// Draw selection line
display.setDrawColor(1);
display.drawLine(4 + selection * 16, 10 + line * 16, 9 + selection * 16, 10 + line * 16);
display_Update();
while (1) {
uint8_t b = checkButton();
if (b == 2) { // Previous
if ((selection == 0) && (line > 0)) {
line--;
selection = 6;
} else if ((selection == 0) && (line == 0)) {
line = 3;
selection = 6;
} else if (selection > 0) {
selection--;
}
starting_letter__subDraw(selection, line);
}
else if (b == 1) { // Next
if ((selection == 6) && (line < 3)) {
line++;
selection = 0;
} else if ((selection == 6) && (line == 3)) {
line = 0;
selection = 0;
} else if (selection < 6) {
selection++;
}
starting_letter__subDraw(selection, line);
}
else if (b == 3) { // Long Press - Execute
if ((selection + line * 7) != 27) {
display_Clear();
println_Msg(F("Please wait..."));
display_Update();
}
break;
}
}
return (selection + line * 7);
#elif defined(SERIAL_MONITOR)
Serial.println(F("Enter first letter: "));
while (Serial.available() == 0) {
}
// Read the incoming byte:
byte incomingByte = Serial.read();
return incomingByte;
#endif
#ifdef ENABLE_GLOBAL_LOG
// Enable log again
dont_log = false;
#endif
}
void print_MissingModule(void) {
display_Clear();
println_Msg(F("Please enable module"));
print_FatalError(F("in Config.h."));
}
/******************************************
Main menu
*****************************************/
constexpr char modeItem1[] PROGMEM = "Game Boy";
constexpr char modeItem2[] PROGMEM = "NES/Famicom";
constexpr char modeItem3[] PROGMEM = "Super Nintendo/SFC";
constexpr char modeItem4[] PROGMEM = "Nintendo 64 (3V)";
constexpr char modeItem5[] PROGMEM = "Mega Drive/Genesis";
constexpr char modeItem6[] PROGMEM = "SMS/GG/MIII/SG-1000";
constexpr char modeItem7[] PROGMEM = "PC Engine/TG16";
constexpr char modeItem8[] PROGMEM = "WonderSwan (3V)";
constexpr char modeItem9[] PROGMEM = "NeoGeo Pocket (3V)";
constexpr char modeItem10[] PROGMEM = "Intellivision";
constexpr char modeItem11[] PROGMEM = "Colecovision";
constexpr char modeItem12[] PROGMEM = "Virtual Boy";
constexpr char modeItem13[] PROGMEM = "Watara Supervision (3V)";
constexpr char modeItem14[] PROGMEM = "Pocket Challenge W";
constexpr char modeItem15[] PROGMEM = "Atari 2600";
constexpr char modeItem16[] PROGMEM = "Magnavox Odyssey 2";
constexpr char modeItem17[] PROGMEM = "Arcadia 2001";
constexpr char modeItem18[] PROGMEM = "Fairchild Channel F";
constexpr char modeItem19[] PROGMEM = "Super A'can";
constexpr char modeItem20[] PROGMEM = "MSX";
constexpr char modeItem21[] PROGMEM = "Pokemon Mini (3V)";
constexpr char modeItem22[] PROGMEM = "Casio Loopy";
constexpr char modeItem23[] PROGMEM = "Commodore 64";
constexpr char modeItem24[] PROGMEM = "Atari 5200";
constexpr char modeItem25[] PROGMEM = "Atari 7800";
constexpr char modeItem26[] PROGMEM = "Vectrex";
constexpr char modeItem27[] PROGMEM = "Flashrom Programmer";
constexpr char modeItem28[] PROGMEM = "Self Test (3V)";
constexpr char modeItem29[] PROGMEM = "About";
static const char* const modeOptions[] PROGMEM = {
#ifdef ENABLE_GBX
modeItem1,
#endif
#ifdef ENABLE_NES
modeItem2,
#endif
#ifdef ENABLE_SNES
modeItem3,
#endif
#ifdef ENABLE_N64
modeItem4,
#endif
#ifdef ENABLE_MD
modeItem5,
#endif
#ifdef ENABLE_SMS
modeItem6,
#endif
#ifdef ENABLE_PCE
modeItem7,
#endif
#ifdef ENABLE_WS
modeItem8,
#endif
#ifdef ENABLE_NGP
modeItem9,
#endif
#ifdef ENABLE_INTV
modeItem10,
#endif
#ifdef ENABLE_COLV
modeItem11,
#endif
#ifdef ENABLE_VBOY
modeItem12,
#endif
#ifdef ENABLE_WSV
modeItem13,
#endif
#ifdef ENABLE_PCW
modeItem14,
#endif
#ifdef ENABLE_2600
modeItem15,
#endif
#ifdef ENABLE_ODY2
modeItem16,
#endif
#ifdef ENABLE_ARC
modeItem17,
#endif
#ifdef ENABLE_FAIRCHILD
modeItem18,
#endif
#ifdef ENABLE_SUPRACAN
modeItem19,
#endif
#ifdef ENABLE_MSX
modeItem20,
#endif
#ifdef ENABLE_POKE
modeItem21,
#endif
#ifdef ENABLE_LOOPY
modeItem22,
#endif
#ifdef ENABLE_C64
modeItem23,
#endif
#ifdef ENABLE_5200
modeItem24,
#endif
#ifdef ENABLE_7800
modeItem25,
#endif
#ifdef ENABLE_VECTREX
modeItem26,
#endif
#ifdef ENABLE_FLASH
modeItem27,
#endif
#ifdef ENABLE_SELFTEST
modeItem28,
#endif
modeItem29, FSTRING_RESET
};
uint8_t pageMenu(const __FlashStringHelper* question, const char* const* menuStrings, uint8_t entryCount, uint8_t default_choice = 0) {
// Create menu
uint8_t modeMenu;
uint8_t num_answers;
uint8_t option_offset;
// Menu spans across multiple pages
currPage = 1;
lastPage = 1;
numPages = (entryCount / 7) + ( (entryCount % 7) != 0 );
do {
option_offset = (currPage - 1) * 7;
num_answers = ( (entryCount < (option_offset + 7)) ? entryCount - option_offset : 7);
// Copy menuOptions out of progmem
convertPgm(menuStrings + option_offset, num_answers);
modeMenu = question_box(question, menuOptions, num_answers, default_choice) + option_offset;
} while (numPages != 0);
// Reset page number
currPage = 1;
return modeMenu;
}
// All included slots
void mainMenu() {
// wait for user choice to come back from the question box menu
switch (pageMenu(F("OPEN SOURCE CART READER"), modeOptions, SYSTEM_MENU_TOTAL)) {
#ifdef ENABLE_GBX
case SYSTEM_MENU_GBX:
return gbxMenu();
#endif
#ifdef ENABLE_NES
case SYSTEM_MENU_NES:
mode = CORE_NES;
display_Clear();
display_Update();
setup_NES();
getMapping();
checkStatus_NES();
return nesMenu();
#endif
#ifdef ENABLE_SNES
case SYSTEM_MENU_SNES:
return snsMenu();
#endif
#ifdef ENABLE_N64
case SYSTEM_MENU_N64:
return n64Menu();
#endif
#ifdef ENABLE_MD
case SYSTEM_MENU_MD:
return mdMenu();
#endif
#ifdef ENABLE_SMS
case SYSTEM_MENU_SMS:
return smsMenu();
#endif
#ifdef ENABLE_PCE
case SYSTEM_MENU_PCE:
return pcsMenu();
#endif
#ifdef ENABLE_WS
case SYSTEM_MENU_WS:
display_Clear();
display_Update();
setup_WS();
mode = CORE_WS;
return wsMenu();
#endif
#ifdef ENABLE_NGP
case SYSTEM_MENU_NGP:
display_Clear();
display_Update();
setup_NGP();
mode = CORE_NGP;
break;
#endif
#ifdef ENABLE_INTV
case SYSTEM_MENU_INTV:
setup_INTV();
return intvMenu();
#endif
#ifdef ENABLE_COLV
case SYSTEM_MENU_COLV:
setup_COL();
return colMenu();
break;
#endif
#ifdef ENABLE_VBOY
case SYSTEM_MENU_VBOY:
setup_VBOY();
vboyMenu();
break;
#endif
#ifdef ENABLE_WSV
case SYSTEM_MENU_WSV:
setup_WSV();
return wsvMenu();
break;
#endif
#ifdef ENABLE_PCW
case SYSTEM_MENU_PCW:
setup_PCW();
return pcwMenu();
break;
#endif
#ifdef ENABLE_2600
case SYSTEM_MENU_2600:
setup_2600();
return a2600Menu();
break;
#endif
#ifdef ENABLE_ODY2
case SYSTEM_MENU_ODY2:
setup_ODY2();
return ody2Menu();
break;
#endif
#ifdef ENABLE_ARC
case SYSTEM_MENU_ARC:
setup_ARC();
return arcMenu();
break;
#endif
#ifdef ENABLE_FAIRCHILD
case SYSTEM_MENU_FAIRCHILD:
setup_FAIRCHILD();
return fairchildMenu();
break;
#endif
#ifdef ENABLE_SUPRACAN
case SYSTEM_MENU_SUPRACAN:
return setup_SuprAcan();
break;
#endif
#ifdef ENABLE_MSX
case SYSTEM_MENU_MSX:
setup_MSX();
return msxMenu();
break;
#endif
#ifdef ENABLE_POKE
case SYSTEM_MENU_POKE:
setup_POKE();
return pokeMenu();
break;
#endif
#ifdef ENABLE_LOOPY
case SYSTEM_MENU_LOOPY:
setup_LOOPY();
return loopyMenu();
break;
#endif
#ifdef ENABLE_C64
case SYSTEM_MENU_C64:
setup_C64();
return c64Menu();
break;
#endif
#ifdef ENABLE_5200
case SYSTEM_MENU_5200:
setup_5200();
return a5200Menu();
break;
#endif
#ifdef ENABLE_7800
case SYSTEM_MENU_7800:
setup_7800();
return a7800Menu();
break;
#endif
#ifdef ENABLE_VECTREX
case SYSTEM_MENU_VECTREX:
setup_VECTREX();
return vectrexMenu();
break;
#endif
#ifdef ENABLE_FLASH
case SYSTEM_MENU_FLASH:
# ifdef ENABLE_VSELECT
setup_FlashVoltage();
# endif
return flashMenu();
break;
#endif
#ifdef ENABLE_SELFTEST
case SYSTEM_MENU_SELFTEST:
return selfTest();
break;
#endif
case SYSTEM_MENU_ABOUT:
return aboutScreen();
break;
case SYSTEM_MENU_RESET:
return resetArduino();
break;
default:
return print_MissingModule(); // does not return
}
}
/******************************************
Self Test
*****************************************/
#ifdef ENABLE_SELFTEST
void selfTest() {
#ifdef ENABLE_VSELECT
// Set Automatic Voltage Selection to 3V
setVoltage(VOLTS_SET_3V3);
#endif
display_Clear();
println_Msg(F("Self Test"));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(F("Remove all Cartridges"));
println_Msg(F("before continuing!!!"));
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
wait();
display_Clear();
#if defined(HW3)
println_Msg(F("Self Test"));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(F("Turn the EEP switch on."));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
wait();
display_Clear();
#endif
// Test if pin 7 is held high by 1K resistor
pinMode(7, INPUT);
println_Msg(F("Testing 1K resistor "));
display_Update();
if (!digitalRead(7)) {
setColor_RGB(255, 0, 0);
errorLvl = 1;
println_Msg(F("Error"));
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
//wait();
//resetArduino();
}
println_Msg(F("Testing short to GND"));
display_Update();
// Set pins 2-9, 14-17, 22-37, 42-49, 54-69 to input and activate internal pull-up resistors
for (byte pinNumber = 2; pinNumber <= 69; pinNumber++) {
if (((2 <= pinNumber) && (pinNumber <= 9)) || ((14 <= pinNumber) && (pinNumber <= 17)) || ((22 <= pinNumber) && (pinNumber <= 37)) || ((42 <= pinNumber) && (pinNumber <= 49)) || ((54 <= pinNumber) && (pinNumber <= 69))) {
pinMode(pinNumber, INPUT_PULLUP);
}
}
// Tests pins 2-9, 14-17, 22-37, 42-49, 54-69 for short to GND
for (byte pinNumber = 2; pinNumber <= 69; pinNumber++) {
if (((2 <= pinNumber) && (pinNumber <= 9)) || ((14 <= pinNumber) && (pinNumber <= 17)) || ((22 <= pinNumber) && (pinNumber <= 37)) || ((42 <= pinNumber) && (pinNumber <= 49)) || ((54 <= pinNumber) && (pinNumber <= 69))) {
if (!digitalRead(pinNumber)) {
setColor_RGB(255, 0, 0);
errorLvl = 1;
print_Msg(F("Error: Pin "));
if ((54 <= pinNumber) && (pinNumber <= 69)) {
print_Msg(F("A"));
println_Msg(pinNumber - 54);
} else {
print_Msg(F("D"));
println_Msg(pinNumber);
}
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
wait();
resetArduino();
}
}
}
println_Msg(F("Testing short between pins"));
display_Update();
// Test for short between pins 2-9, 14-17, 22-37, 42-49, 54-69
for (byte pinNumber = 2; pinNumber <= 69; pinNumber++) {
if (((2 <= pinNumber) && (pinNumber <= 9)) || ((14 <= pinNumber) && (pinNumber <= 17)) || ((22 <= pinNumber) && (pinNumber <= 37)) || ((42 <= pinNumber) && (pinNumber <= 49)) || ((54 <= pinNumber) && (pinNumber <= 69))) {
pinMode(pinNumber, OUTPUT);
digitalWrite(pinNumber, LOW);
for (byte pinNumber2 = 2; pinNumber2 <= 69; pinNumber2++) {
if ((((2 <= pinNumber2) && (pinNumber2 <= 9)) || ((14 <= pinNumber2) && (pinNumber2 <= 17)) || ((22 <= pinNumber2) && (pinNumber2 <= 37)) || ((42 <= pinNumber2) && (pinNumber2 <= 49)) || ((54 <= pinNumber2) && (pinNumber2 <= 69))) && (pinNumber != pinNumber2)) {
pinMode(pinNumber2, INPUT_PULLUP);
if (!digitalRead(pinNumber2)) {
setColor_RGB(255, 0, 0);
errorLvl = 1;
print_Msg(F("Error: Pin "));
if ((54 <= pinNumber) && (pinNumber <= 69)) {
print_Msg(F("A"));
print_Msg(pinNumber - 54);
} else {
print_Msg(F("D"));
print_Msg(pinNumber);
}
print_Msg(F(" + "));
if ((54 <= pinNumber2) && (pinNumber2 <= 69)) {
print_Msg(F("A"));
println_Msg(pinNumber2 - 54);
} else {
print_Msg(F("D"));
println_Msg(pinNumber2);
}
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
wait();
resetArduino();
}
}
}
pinMode(pinNumber, INPUT_PULLUP);
}
}
println_Msg(F("Testing Clock Generator"));
initializeClockOffset();
if (!i2c_found) {
setColor_RGB(255, 0, 0);
errorLvl = 1;
println_Msg(F("Error: Clock Generator"));
println_Msg(F("not found"));
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
wait();
resetArduino();
}
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
wait();
resetArduino();
}
#endif
/******************************************
About Screen
*****************************************/
// Info Screen
void aboutScreen() {
display_Clear();
println_Msg(F("Cartridge Reader"));
println_Msg(F("github.com/sanni"));
print_Msg(F("2024 FW "));
println_Msg(FS(FSTRING_VERSION));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(FS(FSTRING_EMPTY));
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();
while (1) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
// get input button
uint8_t b = checkButton();
// if the cart readers input button is pressed shortly
if (b == 1) {
resetArduino();
}
// if the cart readers input button is pressed long
if (b == 3) {
resetArduino();
}
// if the button is pressed super long
if (b == 4) {
display_Clear();
println_Msg(F("Resetting folder..."));
display_Update();
delay(2000);
foldern = 0;
EEPROM_writeAnything(0, foldern);
resetArduino();
}
#elif defined(ENABLE_SERIAL)
wait_serial();
resetArduino();
#endif
}
}
/******************************************
Progressbar
*****************************************/
void draw_progressbar(uint32_t processed, uint32_t total) {
uint8_t current, i;
static uint8_t previous;
uint8_t steps = 20;
//Find progressbar length and draw if processed size is not 0
if (processed == 0) {
previous = 0;
print_Msg(F("["));
display_Update();
return;
}
// Progress bar
current = (processed >= total) ? steps : processed / (total / steps);
//Draw "*" if needed
if (current > previous) {
for (i = previous; i < current; i++) {
// steps are 20, so 20 - 1 = 19.
if (i == (19)) {
//If end of progress bar, finish progress bar by drawing "]"
println_Msg(F("]"));
} else {
print_Msg(F("*"));
}
}
//update previous "*" status
previous = current;
//Update display
display_Update();
}
}
/******************************************
RTC Module
*****************************************/
#ifdef ENABLE_RTC
#if defined(DS3231)
RTC_DS3231 rtc;
#elif defined(DS1307)
RTC_DS1307 rtc;
#endif
// Start Time
void RTCStart() {
// Start RTC
if (!rtc.begin()) {
abort();
}
// RTC_DS1307 does not have lostPower()
#if defined(DS3231)
// Set RTC Date/Time of Sketch Build if it lost battery power
// After initial setup it would have lost battery power ;)
if (rtc.lostPower()) {
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
}
#endif
}
// Set Date/Time Callback Funtion
// Callback for file timestamps
void dateTime(uint16_t* date, uint16_t* time) {
DateTime now = rtc.now();
// Return date using FAT_DATE macro to format fields
*date = FAT_DATE(now.year(), now.month(), now.day());
// Return time using FAT_TIME macro to format fields
*time = FAT_TIME(now.hour(), now.minute(), now.second());
}
/******************************************
RTC Time Stamp Setup
Call in any other script
*****************************************/
// Format a Date/Time stamp
String RTCStamp() {
// Set a format
char dtstamp[] = "DDMMMYYYY hh:mm:ssAP";
// Get current Date/Time
DateTime now = rtc.now();
// Convert it to a string and caps lock it
String dts = now.toString(dtstamp);
dts.toUpperCase();
// Print results
return dts;
}
#endif
/******************************************
Clockgen Calibration
*****************************************/
#ifdef OPTION_CLOCKGEN_CALIBRATION
int32_t cal_factor = 0;
int32_t old_cal = 0;
int32_t cal_offset = 100;
void clkcal() {
// Adafruit Clock Generator
// last number is the clock correction factor which is custom for each clock generator
cal_factor = readClockOffset();
display_Clear();
print_Msg(F("Read correction: "));
println_Msg(String(cal_factor));
display_Update();
delay(500);
if (cal_factor > INT32_MIN) {
i2c_found = clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, cal_factor);
} else {
i2c_found = clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
cal_factor = 0;
}
if (!i2c_found) {
display_Clear();
print_FatalError(F("Clock Generator not found"));
}
//clockgen.set_correction(cal_factor, SI5351_PLL_INPUT_XO);
clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLB);
//clockgen.pll_reset(SI5351_PLLA);
//clockgen.pll_reset(SI5351_PLLB);
clockgen.set_freq(400000000ULL, SI5351_CLK0);
clockgen.set_freq(100000000ULL, SI5351_CLK1);
clockgen.set_freq(307200000ULL, SI5351_CLK2);
clockgen.output_enable(SI5351_CLK1, 1);
clockgen.output_enable(SI5351_CLK2, 1);
clockgen.output_enable(SI5351_CLK0, 1);
// Frequency Counter
delay(500);
FreqCount.begin(1000);
while (1) {
if (old_cal != cal_factor) {
display_Clear();
println_Msg(F("Adjusting..."));
display_Update();
clockgen.set_correction(cal_factor, SI5351_PLL_INPUT_XO);
clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLB);
clockgen.pll_reset(SI5351_PLLA);
clockgen.pll_reset(SI5351_PLLB);
clockgen.set_freq(400000000ULL, SI5351_CLK0);
clockgen.set_freq(100000000ULL, SI5351_CLK1);
clockgen.set_freq(307200000ULL, SI5351_CLK2);
old_cal = cal_factor;
delay(500);
} else {
clockgen.update_status();
while (clockgen.dev_status.SYS_INIT == 1) {
}
if (FreqCount.available()) {
float count = FreqCount.read();
display_Clear();
println_Msg(F("Clock Calibration"));
print_Msg(F("Freq: "));
print_Msg(count);
println_Msg(F("Hz"));
print_Msg(F("Correction:"));
println_Msg(String(cal_factor));
print_Msg(F("Step:"));
print_right(cal_offset);
println_Msg(FS(FSTRING_EMPTY));
#ifdef ENABLE_BUTTON2
println_Msg(F("(Hold button to save)"));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(F("Decrease Increase"));
#else
#ifdef ENABLE_ROTARY
println_Msg(F("Rotate to adjust Frequency"));
println_Msg(F("Press to change step width"));
println_Msg(F("Hold to save"));
#else
println_Msg(F("Click/dbl to adjust"));
#endif
#endif
display_Update();
}
#ifdef ENABLE_BUTTON2
// get input button
uint8_t a = checkButton1();
uint8_t b = checkButton2();
// if the cart readers input button is pressed shortly
if (a == 1) {
old_cal = cal_factor;
cal_factor -= cal_offset;
}
if (b == 1) {
old_cal = cal_factor;
cal_factor += cal_offset;
}
// if the cart readers input buttons is double clicked
if (a == 2) {
cal_offset /= 10ULL;
if (cal_offset < 1) {
cal_offset = 100000000ULL;
}
}
if (b == 2) {
cal_offset *= 10ULL;
if (cal_offset > 100000000ULL) {
cal_offset = 1;
}
}
// if the cart readers input button is pressed long
if (a == 3) {
savetofile();
}
if (b == 3) {
savetofile();
}
#else
//Handle inputs for either rotary encoder or single button interface.
uint8_t a = checkButton();
if (a == 1) { //clockwise rotation or single click
old_cal = cal_factor;
cal_factor += cal_offset;
}
if (a == 2) { //counterclockwise rotation or double click
old_cal = cal_factor;
cal_factor -= cal_offset;
}
if (a == 3) { //button short hold
cal_offset *= 10ULL;
if (cal_offset > 100000000ULL) {
cal_offset = 1;
}
}
if (a == 4) { //button long hold
savetofile();
}
#endif
}
}
}
void print_right(int32_t number) {
int32_t abs_number = number;
if (abs_number < 0)
abs_number *= -1;
else
print_Msg(FS(FSTRING_SPACE));
if (abs_number == 0)
abs_number = 1;
while (abs_number < 100000000ULL) {
print_Msg(FS(FSTRING_SPACE));
abs_number *= 10ULL;
}
println_Msg(number);
}
void savetofile() {
display_Clear();
println_Msg(F("Saving..."));
println_Msg(String(cal_factor));
display_Update();
delay(2000);
if (!myFile.open("/snes_clk.txt", O_WRITE | O_CREAT | O_TRUNC)) {
print_FatalError(sd_error_STR);
}
// Write calibration factor to file
myFile.print(cal_factor);
// Close the file:
myFile.close();
print_STR(done_STR, 1);
display_Update();
delay(1000);
resetArduino();
}
#endif
#if defined(OPTION_CLOCKGEN_CALIBRATION) || defined(OPTION_CLOCKGEN_USE_CALIBRATION)
int32_t atoi32_signed(const char* input_string) {
if (input_string == NULL) {
return 0;
}
int int_sign = 1;
int i = 0;
if (input_string[0] == '-') {
int_sign = -1;
i = 1;
}
int32_t return_val = 0;
while (input_string[i] != '\0') {
if (input_string[i] >= '0' && input_string[i] <= '9') {
return_val = (return_val * 10) + (input_string[i] - '0');
} else if (input_string[i] != '\0') {
return 0;
}
i++;
}
return_val = return_val * int_sign;
return return_val;
}
int32_t readClockOffset() {
FsFile clock_file;
char* clock_buf;
int16_t i;
int32_t clock_offset;
if (!clock_file.open("/snes_clk.txt", O_READ)) {
return INT32_MIN;
}
clock_buf = (char*)malloc(12 * sizeof(char));
i = clock_file.read(clock_buf, 11);
clock_file.close();
if (i == -1) {
free(clock_buf);
return INT32_MIN;
} else if ((i == 11) && (clock_buf[0] != '-')) {
free(clock_buf);
return INT32_MIN;
} else {
clock_buf[i] = 0;
}
for (i = 0; i < 12; i++) {
if (clock_buf[i] != '-' && clock_buf[i] < '0' && clock_buf[i] > '9') {
if (i == 0) {
free(clock_buf);
return INT32_MIN;
} else if ((i == 1) && (clock_buf[0] == '-')) {
free(clock_buf);
return INT32_MIN;
} else {
clock_buf[i] = 0;
}
}
}
clock_offset = atoi32_signed(clock_buf);
free(clock_buf);
return clock_offset;
}
#endif
int32_t initializeClockOffset() {
#ifdef OPTION_CLOCKGEN_USE_CALIBRATION
FsFile clock_file;
const char zero_char_arr[] = { '0' };
int32_t clock_offset = readClockOffset();
if (clock_offset > INT32_MIN) {
i2c_found = clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, clock_offset);
} else {
i2c_found = clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
if (clock_file.open("/snes_clk.txt", O_WRITE | O_CREAT | O_TRUNC)) {
clock_file.write(zero_char_arr, 1);
clock_file.close();
}
}
return clock_offset;
#else
// last number is the clock correction factor which is custom for each clock generator
i2c_found = clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
return 0;
#endif
}
/******************************************
Setup
*****************************************/
void setup() {
// Set Button Pin PG2 to Input
DDRG &= ~(1 << 2);
# if defined(HW5) && !defined(ENABLE_VSELECT)
/**
* HW5 has status LED connected to PD7
* Set LED Pin PD7 to Output
**/
DDRD |= (1 << 7);
PORTD |= (1 << 7);
# elif defined(ENABLE_VSELECT)
/**
* VSELECT uses pin PD7
* Set LED Pin PD7 to Output
**/
DDRD |= (1 << 7);
# else /* !defined(HW5) && !defined(HW5) */
/**
* HW1-3 have button connected to PD7
* Set pin PD7 to input for button
**/
DDRD &= ~(1 << 7);
# endif /* HW5 &| ENABLE_VSELECT */
// Set power to low to protect carts
setVoltage(VOLTS_SET_3V3);
# if defined(ENABLE_3V3FIX)
// Set clock high during setup
setClockScale(CLKSCALE_16MHZ);
delay(10);
# endif /* ENABLE_3V3FIX */
# if !defined(ENABLE_SERIAL) && defined(ENABLE_UPDATER)
ClockedSerial.begin(UPD_BAUD);
printVersionToSerial();
ClockedSerial.flush();
# endif /* ENABLE_UPDATER */
// Read current folder number out of the EEPROM
EEPROM_readAnything(0, foldern);
if (foldern < 0) foldern = 0;
# ifdef ENABLE_LCD
display.begin();
display.setContrast(40);
display.setFont(u8g2_font_haxrcorp4089_tr);
# endif /* ENABLE_LCD */
# ifdef ENABLE_NEOPIXEL
pixels.begin();
setColor_RGB(0, 0, 100);
// Set TX0 LED Pin(PE1) to Output for status indication during flashing for HW4
# if !(defined(ENABLE_SERIAL) || defined(HW5))
DDRE |= (1 << 1);
# endif /* ENABLE_SERIAL */
# else /* !ENABLE_NEOPIXEL */
# ifndef ENABLE_LCD
# ifdef ENABLE_CA_LED
// Turn LED off
digitalWrite(12, 1);
digitalWrite(11, 1);
digitalWrite(10, 1);
# endif /* ENABLE_CA_LED */
// Configure 4 Pin RGB LED pins as output
DDRB |= (1 << DDB6); // Red LED (pin 12)
DDRB |= (1 << DDB5); // Green LED (pin 11)
DDRB |= (1 << DDB4); // Blue LED (pin 10)
# endif /* ENABLE_LCD */
# endif /* ENABLE_NEOPIXEL */
# ifdef ENABLE_RTC
// Start RTC
RTCStart();
// Set Date/Time Callback Funtion
SdFile::dateTimeCallback(dateTime);
# endif /* ENABLE_RTC */
# ifdef ENABLE_OLED
display.begin();
//isplay.setContrast(40);
display.setFont(u8g2_font_haxrcorp4089_tr);
# endif /* ENABLE_OLED */
# ifdef ENABLE_SERIAL
// Serial Begin
Serial.begin(9600);
Serial.println(FS(FSTRING_EMPTY));
Serial.println(F("Cartridge Reader"));
Serial.println(F("2024 github.com/sanni"));
// LED Error
setColor_RGB(0, 0, 255);
# endif /* ENABLE_SERIAL */
// Init SD card
if (!sd.begin(SS)) {
display_Clear();
# ifdef ENABLE_VSELECT
print_STR(sd_error_STR, 1);
println_Msg(FS(FSTRING_EMPTY));
println_Msg(F("Press button to enable 5V for"));
println_Msg(F(" updating firmware..."));
display_Update();
wait();
display_Clear();
setVoltage(VOLTS_SET_5V); // Set voltage high for flashing
println_Msg(F(" ======== UPDATE MODE ======== "));
println_Msg(F("Waiting for update..."));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(F("Press button to cancel/restart."));
display_Update();
wait();
resetArduino();
# else /* !ENABLE_VSELECT */
print_FatalError(sd_error_STR);
# endif /* ENABLE_VSELECT */
}
# if defined(ENABLE_CONFIG)
configInit();
# if defined(ENABLE_GLOBAL_LOG)
loggingEnabled = !!configGetLong(F("oscr.logging"), 1);
# endif /*ENABLE_CONFIG*/
// Change LCD background if config specified
# ifdef ENABLE_NEOPIXEL
setColor_RGB(0, 0, 100);
# endif /* ENABLE_NEOPIXEL */
# endif /* ENABLE_CONFIG */
# ifdef ENABLE_GLOBAL_LOG
if (!myLog.open("OSCR_LOG.txt", O_RDWR | O_CREAT | O_APPEND)) {
print_FatalError(sd_error_STR);
}
println_Msg(FS(FSTRING_EMPTY));
# if defined(HW1)
print_Msg(F("OSCR HW1"));
# elif defined(HW2)
print_Msg(F("OSCR HW2"));
# elif defined(HW3)
print_Msg(F("OSCR HW3"));
# elif defined(HW4)
print_Msg(F("OSCR HW4"));
# elif defined(HW5)
print_Msg(F("OSCR HW5"));
# elif defined(SERIAL_MONITOR)
print_Msg(F("OSCR Serial"));
# endif /* HWn */
print_Msg(FS(FSTRING_SPACE));
println_Msg(FS(FSTRING_VERSION));
# endif /* ENABLE_GLOBAL_LOG */
// Turn status LED on
statusLED(true);
# if defined(ENABLE_3V3FIX)
setClockScale(CLKSCALE_8MHZ); // Set clock back to low after setup
# endif /* ENABLE_3V3FIX */
// Start menu system
mainMenu();
}
/******************************************
Common I/O Functions
*****************************************/
// Switch data pins to write
void dataOut() {
DDRC = 0xFF;
}
// Switch data pins to read
void dataIn() {
// Set to Input and activate pull-up resistors
DDRC = 0x00;
// Pullups
PORTC = 0xFF;
}
/******************************************
Helper Functions
*****************************************/
// Set RGB color
void setColor_RGB(byte r, byte g, byte b) {
#if defined(ENABLE_NEOPIXEL)
# if defined(ENABLE_3V3FIX)
if (clock == CS_8MHZ) return;
# endif
// Dim Neopixel LEDs
if (r >= 100) r = 100;
if (g >= 100) g = 100;
if (b >= 100) b = 100;
pixels.clear();
# if defined(ENABLE_CONFIG)
uint8_t lcdConfColor = configGetLong(F("lcd.confColor"));
if (lcdConfColor > 0) {
uint8_t lcdRed = configGetLong(F("lcd.red"));
uint8_t lcdGreen = configGetLong(F("lcd.green"));
uint8_t lcdBlue = configGetLong(F("lcd.blue"));
pixels.setPixelColor(0, pixels.Color(lcdGreen, lcdRed, lcdBlue));
} else {
pixels.setPixelColor(0, pixels.Color(OPTION_LCD_BG_COLOR));
}
# else /* !ENABLE_CONFIG */
pixels.setPixelColor(0, pixels.Color(OPTION_LCD_BG_COLOR));
# endif /* ENABLE_CONFIG */
pixels.setPixelColor(1, pixels.Color(g, r, b));
pixels.setPixelColor(2, pixels.Color(g, r, b));
pixels.show();
#elif defined(ENABLE_CA_LED)
// Set color of analog 4 Pin common anode RGB LED
analogWrite(12, 255 - r);
analogWrite(11, 255 - g);
analogWrite(10, 255 - b);
#else
// Set color of analog 4 Pin common cathode RGB LED
analogWrite(12, r);
analogWrite(11, g);
analogWrite(10, b);
#endif
}
// Extract ASCII printable characters from input, collapsing underscores and spaces.
// Use when extracting titles from cartridges, to build a rom title.
byte buildRomName(char* output, const byte* input, byte length) {
byte input_char;
byte output_len = 0;
for (unsigned int i = 0; i < length; i++) {
input_char = input[i];
if (isprint(input_char) && input_char != '<' && input_char != '>' && input_char != ':' && input_char != '"' && input_char != '/' && input_char != '\\' && input_char != '|' && input_char != '?' && input_char != '*') {
output[output_len++] = input_char;
} else {
if (output_len == 0 || output[output_len - 1] != '_') {
output[output_len++] = '_';
}
}
}
while (
output_len && (output[output_len - 1] == '_' || output[output_len - 1] == ' ')) {
output_len--;
}
output[output_len] = 0;
return output_len;
}
// Converts a progmem array into a ram array
void convertPgm(const char* const pgmOptions[], byte numArrays) {
for (int i = 0; i < numArrays; i++) {
strlcpy_P(menuOptions[i], (char*)pgm_read_word(&(pgmOptions[i])), 20);
}
}
void _print_Error(void) {
errorLvl = 1;
setColor_RGB(255, 0, 0);
display_Update();
}
void print_Error(const __FlashStringHelper* errorMessage) {
println_Msg(errorMessage);
_print_Error();
}
void print_Error(byte errorMessage) {
print_STR(errorMessage, 1);
_print_Error();
}
void _print_FatalError(void) {
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
wait();
resetArduino();
}
void print_FatalError(const __FlashStringHelper* errorMessage) {
print_Error(errorMessage);
_print_FatalError();
}
void print_FatalError(byte errorMessage) {
print_Error(errorMessage);
_print_FatalError();
}
void wait() {
// Switch status LED off
statusLED(false);
#if defined(ENABLE_LCD)
wait_btn();
#elif defined(ENABLE_OLED)
wait_btn();
#elif defined(ENABLE_SERIAL)
wait_serial();
#endif
}
#ifdef ENABLE_GLOBAL_LOG
// Copies the last part of the current log file to the dump folder
void save_log() {
// Last found position
uint64_t lastPosition = 0;
// Go to first line of log
myLog.rewind();
// Find location of OSCR string to determine start of current log
char tempStr[5];
while (myLog.available()) {
// Read first 4 chars of line
tempStr[0] = myLog.read();
// Check if it's an empty line
if (tempStr[0] == '\r') {
// skip \n
myLog.read();
} else {
// Read more lines
tempStr[1] = myLog.read();
tempStr[2] = myLog.read();
tempStr[3] = myLog.read();
tempStr[4] = '\0';
char str_buf;
// Skip rest of line
while (myLog.available()) {
str_buf = myLog.read();
//break out of loop if CRLF is found
if (str_buf == '\r') {
myLog.read(); //dispose \n because \r\n
break;
}
}
// If string is OSCR remember position in file and test if it's the lastest log entry
if (strncmp(tempStr, "OSCR", 4) == 0) {
// Check if current position is newer as old position
if (myLog.position() > lastPosition) {
lastPosition = myLog.position();
}
}
}
}
// Go to position of last log entry
myLog.seek(lastPosition - 16);
// Copy log from there to dump dir
sd.chdir(folder);
strcpy(fileName, romName);
strcat(fileName, ".txt");
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
print_FatalError(sd_error_STR);
}
while (myLog.available()) {
if (myLog.available() >= 512) {
for (word i = 0; i < 512; i++) {
sdBuffer[i] = myLog.read();
}
myFile.write(sdBuffer, 512);
} else {
int i = 0;
for (; i < myLog.available(); i++) {
sdBuffer[i] = myLog.read();
}
myFile.write(sdBuffer, i);
}
}
// Close the file:
myFile.close();
}
#endif
#ifdef ENABLE_GLOBAL_LOG
void println_Log(const __FlashStringHelper* string) {
myLog.println(string);
}
#endif
void print_Msg(const __FlashStringHelper* string) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(string);
#endif
#ifdef ENABLE_SERIAL
Serial.print(string);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.print(string);
#endif
}
void print_Msg(const char myString[]) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
// test for word wrap
if ((display.tx + strlen(myString) * 6) > 128) {
unsigned int strPos = 0;
// Print until end of display
while (display.tx < 122) {
display.print(myString[strPos]);
strPos++;
}
// Newline
display.setCursor(0, display.ty + 8);
// Print until end of display and ignore remaining characters
while ((strPos < strlen(myString)) && (display.tx < 122)) {
display.print(myString[strPos]);
strPos++;
}
} else {
display.print(myString);
}
#endif
#ifdef ENABLE_SERIAL
Serial.print(myString);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.print(myString);
#endif
}
void print_Msg(long unsigned int message) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(message);
#endif
#ifdef ENABLE_SERIAL
Serial.print(message);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.print(message);
#endif
}
void print_Msg(byte message, int outputFormat) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(message, outputFormat);
#endif
#ifdef ENABLE_SERIAL
Serial.print(message, outputFormat);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.print(message, outputFormat);
#endif
}
void print_Msg(word message, int outputFormat) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(message, outputFormat);
#endif
#ifdef ENABLE_SERIAL
Serial.print(message, outputFormat);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.print(message, outputFormat);
#endif
}
void print_Msg(int message, int outputFormat) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(message, outputFormat);
#endif
#ifdef ENABLE_SERIAL
Serial.print(message, outputFormat);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.print(message, outputFormat);
#endif
}
void print_Msg(long unsigned int message, int outputFormat) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(message, outputFormat);
#endif
#ifdef ENABLE_SERIAL
Serial.print(message, outputFormat);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.print(message, outputFormat);
#endif
}
void print_Msg(String string) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(string);
#endif
#ifdef ENABLE_SERIAL
Serial.print(string);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.print(string);
#endif
}
void print_Msg_PaddedHexByte(byte message) {
if (message < 16) print_Msg(0, HEX);
print_Msg(message, HEX);
}
void print_Msg_PaddedHex16(word message) {
print_Msg_PaddedHexByte((message >> 8) & 0xFF);
print_Msg_PaddedHexByte((message >> 0) & 0xFF);
}
void print_Msg_PaddedHex32(unsigned long message) {
print_Msg_PaddedHexByte((message >> 24) & 0xFF);
print_Msg_PaddedHexByte((message >> 16) & 0xFF);
print_Msg_PaddedHexByte((message >> 8) & 0xFF);
print_Msg_PaddedHexByte((message >> 0) & 0xFF);
}
void println_Msg(String string) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(string);
display.setCursor(0, display.ty + 8);
#endif
#ifdef ENABLE_SERIAL
Serial.println(string);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.println(string);
#endif
}
void println_Msg(byte message, int outputFormat) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(message, outputFormat);
display.setCursor(0, display.ty + 8);
#endif
#ifdef ENABLE_SERIAL
Serial.println(message, outputFormat);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.println(message, outputFormat);
#endif
}
void println_Msg(const char myString[]) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
// test for word wrap
if ((display.tx + strlen(myString) * 6) > 128) {
unsigned int strPos = 0;
// Print until end of display
while ((display.tx < 122) && (myString[strPos] != '\0')) {
display.print(myString[strPos]);
strPos++;
}
// Newline
display.setCursor(0, display.ty + 8);
// Print until end of display and ignore remaining characters
while ((strPos < strlen(myString)) && (display.tx < 122) && (myString[strPos] != '\0')) {
display.print(myString[strPos]);
strPos++;
}
} else {
display.print(myString);
}
display.setCursor(0, display.ty + 8);
#endif
#ifdef ENABLE_SERIAL
Serial.println(myString);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.println(myString);
#endif
}
void println_Msg(const __FlashStringHelper* string) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(string);
display.setCursor(0, display.ty + 8);
#endif
#ifdef ENABLE_SERIAL
Serial.println(string);
#endif
#ifdef ENABLE_GLOBAL_LOG
char myBuffer[15];
strlcpy_P(myBuffer, (char*)string, 15);
if ((strncmp(myBuffer, "Press Button...", 14) != 0) && (strncmp(myBuffer, "Select file", 10) != 0)) {
if (!dont_log && loggingEnabled) myLog.println(string);
}
#endif
}
void println_Msg(long unsigned int message) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.print(message);
display.setCursor(0, display.ty + 8);
#endif
#ifdef ENABLE_SERIAL
Serial.println(message);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.println(message);
#endif
}
void display_Update() {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.updateDisplay();
#endif
#ifdef ENABLE_SERIAL
delay(100);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.flush();
#endif
}
void display_Clear() {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.clearDisplay();
display.setCursor(0, 8);
#endif
#ifdef ENABLE_GLOBAL_LOG
if (!dont_log && loggingEnabled) myLog.println(FSTRING_EMPTY);
#endif
}
void display_Clear_Slow() {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
display.setDrawColor(0);
for (byte y = 0; y < 64; y++) {
display.drawLine(0, y, 128, y);
}
display.setDrawColor(1);
display.setCursor(0, 8);
#endif
}
/******************************************
RGB LED
*****************************************/
void rgbLed(byte Color) {
switch (Color) {
case blue_color:
setColor_RGB(0, 0, 255);
break;
case red_color:
setColor_RGB(255, 0, 0);
break;
case purple_color:
setColor_RGB(255, 0, 255);
break;
case green_color:
setColor_RGB(0, 255, 0);
break;
case turquoise_color:
setColor_RGB(0, 255, 255);
break;
case yellow_color:
setColor_RGB(255, 255, 0);
break;
case white_color:
setColor_RGB(255, 255, 255);
break;
}
}
void blinkLED() {
#if defined(ENABLE_VSELECT)
// Nothing
#elif defined(HW5)
PORTD ^= (1 << 7);
#elif defined(ENABLE_OLED)
PORTB ^= (1 << 4);
#elif defined(ENABLE_LCD)
PORTE ^= (1 << 1);
#elif defined(ENABLE_SERIAL)
PORTB ^= (1 << 4);
PORTB ^= (1 << 7);
#endif
}
#if defined(HW5) && !defined(ENABLE_VSELECT)
void statusLED(boolean on) {
if (!on)
PORTD |= (1 << 7);
else
PORTD &= ~(1 << 7);
}
#else
void statusLED(boolean on __attribute__((unused))) {
}
#endif
/******************************************
Menu system
*****************************************/
unsigned char question_box(const __FlashStringHelper* question, char answers[7][20], uint8_t num_answers, uint8_t default_choice) {
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
return questionBox_Display(question, answers, num_answers, default_choice);
#endif
#ifdef ENABLE_SERIAL
return questionBox_Serial(question, answers, num_answers, default_choice);
#endif
}
#if defined(ENABLE_SERIAL)
// Serial Monitor
byte questionBox_Serial(const __FlashStringHelper* question, char answers[7][20], uint8_t num_answers, uint8_t default_choice) {
// Print menu to serial monitor
Serial.println(FS(FSTRING_EMPTY));
for (byte i = 0; i < num_answers; i++) {
Serial.print(i);
Serial.print(F(")"));
Serial.println(answers[i]);
}
// Wait for user input
Serial.println(FS(FSTRING_EMPTY));
Serial.println(F("Please browse pages with 'u'(up) and 'd'(down)"));
Serial.println(F("and enter a selection by typing a number(0-6): _ "));
Serial.println(FS(FSTRING_EMPTY));
while (Serial.available() == 0) {
}
// Read the incoming byte:
incomingByte = Serial.read() - 48;
// Page up (u)
if (incomingByte == 69) {
if (currPage > 1) {
lastPage = currPage;
currPage--;
} else {
root = 1;
}
}
// Page down (d)
else if (incomingByte == 52) {
if (numPages > currPage) {
lastPage = currPage;
currPage++;
}
}
// Execute choice
else if ((incomingByte >= 0) && (incomingByte < 7)) {
numPages = 0;
}
// Print the received byte for validation e.g. in case of a different keyboard mapping
//Serial.println(incomingByte);
//Serial.println(FS(FSTRING_EMPTY));
return incomingByte;
}
#endif
// OLED & LCD
#if (defined(ENABLE_LCD) || defined(ENABLE_OLED))
// Display a question box with selectable answers. Make sure default choice is in (0, num_answers]
unsigned char questionBox_Display(const __FlashStringHelper* question, char answers[7][20], uint8_t num_answers, uint8_t default_choice) {
//clear the screen
display.clearDisplay();
display.updateDisplay();
display.setCursor(0, 8);
display.setDrawColor(1);
// change the rgb led to the start menu color
rgbLed(default_choice);
// print menu
display.println(question);
display.setCursor(0, display.ty + 8);
for (unsigned char i = 0; i < num_answers; i++) {
// Add space for the selection dot
display.print(" ");
// Print menu item
display.println(answers[i]);
display.setCursor(0, display.ty + 8);
}
display.updateDisplay();
// start with the default choice
choice = default_choice;
// draw selection box
display.drawBox(1, 8 * choice + 11, 3, 3);
display.updateDisplay();
unsigned long idleTime = millis();
byte currentColor = 0;
// wait until user makes his choice
while (1) {
// Attract Mode
if (millis() - idleTime > 300000) {
if ((millis() - idleTime) % 4000 == 0) {
if (currentColor < 7) {
currentColor++;
if (currentColor == 1) {
currentColor = 2; // skip red as that signifies an error to the user
}
} else {
currentColor = 0;
}
}
rgbLed(currentColor);
}
/* Check Button/rotary encoder
1 click/clockwise rotation
2 doubleClick/counter clockwise rotation
3 hold/press
4 longHold */
uint8_t b = checkButton();
// if button is pressed twice or rotary encoder turned left/counter clockwise
if (b == 2) {
idleTime = millis();
// remove selection box
display.setDrawColor(0);
display.drawBox(1, 8 * choice + 11, 3, 3);
display.setDrawColor(1);
display.updateDisplay();
// If cursor on top list entry
if (choice == 0) {
// On 2nd, 3rd, ... page go back one page
if (currPage > 1) {
lastPage = currPage;
currPage--;
break;
}
// In file browser go to root dir
else if ((filebrowse == 1) && (root != 1)) {
root = 1;
break;
}
// Else go to bottom of list as a shortcut
else {
choice = num_answers - 1;
}
}
// If not top entry go up/back one entry
else {
choice--;
}
// draw selection box
display.drawBox(1, 8 * choice + 11, 3, 3);
display.updateDisplay();
// change RGB led to the color of the current menu option
rgbLed(choice);
}
// go one down in the menu if the Cart Readers button is clicked shortly
if (b == 1) {
idleTime = millis();
// remove selection box
display.setDrawColor(0);
display.drawBox(1, 8 * choice + 11, 3, 3);
display.setDrawColor(1);
display.updateDisplay();
if ((choice == num_answers - 1) && (numPages > currPage)) {
lastPage = currPage;
currPage++;
break;
} else
choice = (choice + 1) % num_answers;
// draw selection box
display.drawBox(1, 8 * choice + 11, 3, 3);
display.updateDisplay();
// change RGB led to the color of the current menu option
rgbLed(choice);
}
// if the Cart Readers button is hold continiously leave the menu
// so the currently highlighted action can be executed
if (b == 3) {
idleTime = millis();
// All done
numPages = 0;
break;
}
checkUpdater();
}
// pass on user choice
setColor_RGB(0, 0, 0);
#ifdef ENABLE_GLOBAL_LOG
println_Msg(FS(FSTRING_EMPTY));
print_Msg(F("[+] "));
println_Msg(answers[choice]);
#endif
return choice;
}
#endif
#if !defined(ENABLE_SERIAL) && defined(ENABLE_UPDATER)
void checkUpdater() {
if (ClockedSerial.available() > 0) {
String cmd = ClockedSerial.readStringUntil('\n');
cmd.trim();
if (cmd == "VERCHK")
{ // VERCHK: Gets OSCR version and features
delay(500);
printVersionToSerial();
}
else if (cmd == "GETCLOCK")
{ // GETCLOCK: Gets the MEGA's current clock speed.
# if defined(ENABLE_3V3FIX)
ClockedSerial.print(F("Clock is running at "));
ClockedSerial.print((clock == CS_16MHZ) ? 16UL : 8UL);
ClockedSerial.println(F("MHz"));
# else /* !ENABLE_3V3FIX */
ClockedSerial.println(FS(FSTRING_MODULE_NOT_ENABLED));
# endif /* ENABLE_3V3FIX */
}
else if (cmd.substring(1, 8) == "ETVOLTS")
{ // (G/S)ETVOLTS: Get and set the voltage.
# if defined(ENABLE_VSELECT)
if (cmd != "GETVOLTS") {
switch(cmd.substring(9, 10).toInt()) {
case 3: setVoltage(VOLTS_SET_3V3); break;
case 5: setVoltage(VOLTS_SET_5V); break;
}
}
ClockedSerial.print(F("Voltage is set to "));
ClockedSerial.print((voltage == VOLTS_SET_5V) ? 5 : 3.3);
ClockedSerial.println(F("V"));
# else /* !ENABLE_VSELECT */
ClockedSerial.println(FS(FSTRING_MODULE_NOT_ENABLED));
# endif /* ENABLE_VSELECT */
}
// RTC commands
else if (cmd.substring(1, 7) == "ETTIME")
{ // (G/S)ETTIME: Get and set the date/time.
# if defined(ENABLE_RTC)
if (cmd != "GETTIME") {
ClockedSerial.println(F("Setting Time..."));
rtc.adjust(DateTime(cmd.substring(8).toInt()));
}
ClockedSerial.print(F("Current Time: "));
ClockedSerial.println(RTCStamp());
# else /* !ENABLE_RTC */
ClockedSerial.println(FS(FSTRING_MODULE_NOT_ENABLED));
# endif /* ENABLE_RTC */
} else {
ClockedSerial.print(FS(FSTRING_OSCR));
ClockedSerial.println(F(": Unknown Command"));
}
}
}
#else
void checkUpdater() {}
#endif
/******************************************
User Control
*****************************************/
// Using Serial Monitor
#if defined(ENABLE_SERIAL)
uint8_t checkButton() {
while (Serial.available() == 0) {
}
incomingByte = Serial.read() - 48;
//Next
if (incomingByte == 52) {
return 1;
}
//Previous
else if (incomingByte == 69) {
return 2;
}
//Selection
else if (incomingByte == 240) {
return 3;
}
return 0;
}
void wait_serial() {
if (errorLvl) {
errorLvl = 0;
}
while (Serial.available() == 0) {
}
incomingByte = Serial.read() - 48;
/* if ((incomingByte == 53) && (fileName[0] != '\0')) {
// Open file on sd card
sd.chdir(folder);
if (myFile.open(fileName, O_READ)) {
// Get rom size from file
fileSize = myFile.fileSize();
// Send filesize
char tempStr[16];
sprintf(tempStr, "%d", fileSize);
Serial.write(tempStr);
// Wait for ok
while (Serial.available() == 0) {
}
// Send file
for (unsigned long currByte = 0; currByte < fileSize; currByte++) {
// Blink led
if (currByte % 1024 == 0)
blinkLED();
Serial.write(myFile.read());
}
// Close the file:
myFile.close();
}
else {
print_FatalError(open_file_STR);
}
}*/
}
#endif
// Using one or two push buttons (HW1/HW2/HW3)
#if defined(ENABLE_OLED)
// Read button state
uint8_t checkButton() {
#ifdef ENABLE_BUTTON2
byte eventButton2 = checkButton2();
if ((eventButton2 > 0) && (eventButton2 < 2))
return 3;
else if (eventButton2 > 2)
return 4;
#endif
return (checkButton1());
}
// Read button 1
uint8_t checkButton1() {
uint8_t event = 0;
// Read the state of the button (PD7)
buttonVal1 = (PIND & (1 << 7));
// Button pressed down
if (buttonVal1 == LOW && buttonLast1 == HIGH && (millis() - upTime1) > debounce) {
downTime1 = millis();
ignoreUp1 = false;
waitForUp1 = false;
singleOK1 = true;
holdEventPast1 = false;
longholdEventPast1 = false;
if ((millis() - upTime1) < DCgap && DConUp1 == false && DCwaiting1 == true) DConUp1 = true;
else DConUp1 = false;
DCwaiting1 = false;
}
// Button released
else if (buttonVal1 == HIGH && buttonLast1 == LOW && (millis() - downTime1) > debounce) {
if (!ignoreUp1) {
upTime1 = millis();
if (DConUp1 == false) DCwaiting1 = true;
else {
event = 2;
DConUp1 = false;
DCwaiting1 = false;
singleOK1 = false;
}
}
}
// Test for normal click event: DCgap expired
if (buttonVal1 == HIGH && (millis() - upTime1) >= DCgap && DCwaiting1 == true && DConUp1 == false && singleOK1 == true) {
event = 1;
DCwaiting1 = false;
}
// Test for hold
if (buttonVal1 == LOW && (millis() - downTime1) >= holdTime) {
// Trigger "normal" hold
if (!holdEventPast1) {
event = 3;
waitForUp1 = true;
ignoreUp1 = true;
DConUp1 = false;
DCwaiting1 = false;
//downTime1 = millis();
holdEventPast1 = true;
}
// Trigger "long" hold
if ((millis() - downTime1) >= longHoldTime) {
if (!longholdEventPast1) {
event = 4;
longholdEventPast1 = true;
}
}
}
buttonLast1 = buttonVal1;
return event;
}
// Read button 2
uint8_t checkButton2() {
uint8_t event = 0;
// Read the state of the button (PG2)
buttonVal2 = (PING & (1 << 2));
// Button pressed down
if (buttonVal2 == LOW && buttonLast2 == HIGH && (millis() - upTime2) > debounce) {
downTime2 = millis();
ignoreUp2 = false;
waitForUp2 = false;
singleOK2 = true;
holdEventPast2 = false;
longholdEventPast2 = false;
if ((millis() - upTime2) < DCgap && DConUp2 == false && DCwaiting2 == true) DConUp2 = true;
else DConUp2 = false;
DCwaiting2 = false;
}
// Button released
else if (buttonVal2 == HIGH && buttonLast2 == LOW && (millis() - downTime2) > debounce) {
if (!ignoreUp2) {
upTime2 = millis();
if (DConUp2 == false) DCwaiting2 = true;
else {
event = 2;
DConUp2 = false;
DCwaiting2 = false;
singleOK2 = false;
}
}
}
// Test for normal click event: DCgap expired
if (buttonVal2 == HIGH && (millis() - upTime2) >= DCgap && DCwaiting2 == true && DConUp2 == false && singleOK2 == true) {
event = 1;
DCwaiting2 = false;
}
// Test for hold
if (buttonVal2 == LOW && (millis() - downTime2) >= holdTime) {
// Trigger "normal" hold
if (!holdEventPast2) {
event = 3;
waitForUp2 = true;
ignoreUp2 = true;
DConUp2 = false;
DCwaiting2 = false;
//downTime2 = millis();
holdEventPast2 = true;
}
// Trigger "long" hold
if ((millis() - downTime2) >= longHoldTime) {
if (!longholdEventPast2) {
event = 4;
longholdEventPast2 = true;
}
}
}
buttonLast2 = buttonVal2;
return event;
}
// Wait for user to push button
void wait_btn() {
// Change led to green
if (errorLvl == 0)
rgbLed(green_color);
while (1) {
// get input button
uint8_t b = checkButton();
// if the cart readers input button is pressed shortly
if (b == 1) {
errorLvl = 0;
break;
}
// if the cart readers input button is pressed long
if (b == 3) {
if (errorLvl) {
errorLvl = 0;
}
break;
}
checkUpdater();
}
}
#endif
// Using rotary encoder (HW4/HW5)
#if (defined(ENABLE_LCD) && defined(ENABLE_ROTARY))
// Read encoder state
uint8_t checkButton() {
// Read rotary encoder
encoder.tick();
int newPos = encoder.getPosition();
// Read button
boolean reading = (PING & (1 << PING2)) >> PING2;
// Check if rotary encoder has changed
if (rotaryPos != newPos) {
int rotaryDir = (int)encoder.getDirection();
rotaryPos = newPos;
if (rotaryDir == 1) {
return 1;
} else if (rotaryDir == -1) {
return 2;
}
} else if (reading != buttonState) {
if (reading != lastButtonState) {
lastDebounceTime = millis();
lastButtonState = reading;
} else if ((millis() - lastDebounceTime) > debounceDelay) {
buttonState = reading;
// Button was pressed down
if (buttonState == 0) {
setColor_RGB(0, 0, 0);
unsigned long pushTime = millis();
// Wait until button was let go again
while ((PING & (1 << PING2)) >> PING2 == 0) {
// Signal long press delay reached
if ((millis() - pushTime) > 2000) {
rgbLed(green_color);
}
}
// 2 second long press
if ((millis() - pushTime) > 2000) {
return 4;
}
// normal press
else {
return 3;
}
}
}
}
return 0;
}
// Wait for user to push button
void wait_btn() {
// Change led to green
if (errorLvl == 0)
rgbLed(green_color);
while (1) {
// get input button
uint8_t b = checkButton();
// if the cart readers input button is pressed shortly
if (b == 1) {
errorLvl = 0;
break;
}
// if the cart readers input button is pressed long
if (b == 3) {
if (errorLvl) {
errorLvl = 0;
}
break;
}
checkUpdater();
}
}
// Wait for user to rotate knob
void wait_encoder() {
// Change led to green
if (errorLvl == 0)
rgbLed(green_color);
while (1) {
// Get rotary encoder
encoder.tick();
int newPos = encoder.getPosition();
if (rotaryPos != newPos) {
rotaryPos = newPos;
errorLvl = 0;
break;
}
}
}
#endif
/******************************************
Filebrowser Module
*****************************************/
void fileBrowser(const __FlashStringHelper* browserTitle) {
char fileNames[7][FILENAME_LENGTH];
int currFile;
FsFile myDir;
div_t page_layout;
filebrowse = 1;
// Root
filePath[0] = '/';
filePath[1] = '\0';
// Temporary char array for filename
char nameStr[FILENAME_LENGTH];
browserstart:
// Print title
println_Msg(browserTitle);
// Set currFile back to 0
currFile = 0;
currPage = 1;
lastPage = 1;
// Open filepath directory
if (!myDir.open(filePath)) {
display_Clear();
print_FatalError(sd_error_STR);
}
// Count files in directory
while (myFile.openNext(&myDir, O_READ)) {
if (!myFile.isHidden() && (myFile.isDir() || myFile.isFile())) {
currFile++;
}
myFile.close();
}
myDir.close();
page_layout = div(currFile, 7);
numPages = page_layout.quot + 1;
// Fill the array "answers" with 7 options to choose from in the file browser
char answers[7][20];
page:
// If there are less than 7 entries, set count to that number so no empty options appear
byte count = currPage == numPages ? page_layout.rem : 7;
// Open filepath directory
if (!myDir.open(filePath)) {
display_Clear();
print_FatalError(sd_error_STR);
}
int countFile = 0;
byte i = 0;
// Cycle through all files
while ((myFile.openNext(&myDir, O_READ)) && (i < 8)) {
// Get name of file
myFile.getName(nameStr, FILENAME_LENGTH);
// Ignore if hidden
if (myFile.isHidden()) {
}
// Directory
else if (myFile.isDir()) {
if (countFile == ((currPage - 1) * 7 + i)) {
snprintf(fileNames[i], FILENAME_LENGTH, "%s%s", "/", nameStr);
i++;
}
countFile++;
}
// File
else if (myFile.isFile()) {
if (countFile == ((currPage - 1) * 7 + i)) {
snprintf(fileNames[i], FILENAME_LENGTH, "%s", nameStr);
i++;
}
countFile++;
}
myFile.close();
}
myDir.close();
for (byte i = 0; i < 8; i++) {
// Copy short string into fileOptions
snprintf(answers[i], FILEOPTS_LENGTH, "%s", fileNames[i]);
}
// Create menu with title and 1-7 options to choose from
unsigned char answer = question_box(browserTitle, answers, count, 0);
// Check if the page has been switched
if (currPage != lastPage) {
lastPage = currPage;
goto page;
}
// Check if we are supposed to go back to the root dir
if (root) {
// Change working dir to root
filePath[0] = '/';
filePath[1] = '\0';
sd.chdir("/");
// Start again
root = 0;
goto browserstart;
}
// wait for user choice to come back from the question box menu
switch (answer) {
case 0:
strncpy(fileName, fileNames[0], FILENAME_LENGTH - 1);
break;
case 1:
strncpy(fileName, fileNames[1], FILENAME_LENGTH - 1);
break;
case 2:
strncpy(fileName, fileNames[2], FILENAME_LENGTH - 1);
break;
case 3:
strncpy(fileName, fileNames[3], FILENAME_LENGTH - 1);
break;
case 4:
strncpy(fileName, fileNames[4], FILENAME_LENGTH - 1);
break;
case 5:
strncpy(fileName, fileNames[5], FILENAME_LENGTH - 1);
break;
case 6:
strncpy(fileName, fileNames[6], FILENAME_LENGTH - 1);
break;
//case 7:
// File import
//break;
}
// Add directory to our filepath if we just entered a new directory
if (fileName[0] == '/') {
// add dirname to path
strcat(filePath, fileName);
// Remove / from dir name
char* dirName = fileName + 1;
// Change working dir
sd.chdir(dirName);
// Start browser in new directory again
goto browserstart;
} else {
// Afer everything is done change SD working directory back to root
sd.chdir("/");
}
filebrowse = 0;
}
/******************************************
Main loop
*****************************************/
void loop() {
switch (mode) {
#ifdef ENABLE_N64
case CORE_N64_CART: return n64CartMenu();
case CORE_N64_CONTROLLER: return n64ControllerMenu();
#endif
#ifdef ENABLE_SNES
case CORE_SNES: return snesMenu();
#endif
#ifdef ENABLE_SFM
case CORE_SFM: return sfmMenu();
# ifdef ENABLE_FLASH
case CORE_SFM_FLASH: return sfmFlashMenu();
# endif
case CORE_SFM_GAME: return sfmGameOptions();
#endif
#ifdef ENABLE_GBX
case CORE_GB: return gbMenu();
case CORE_GBA: return gbaMenu();
case CORE_GBM: return gbmMenu();
case CORE_GB_GBSMART: return gbSmartMenu();
case CORE_GB_GBSMART_FLASH: return gbSmartFlashMenu();
case CORE_GB_GBSMART_GAME: return gbSmartGameOptions();
#endif
#ifdef ENABLE_FLASH
case CORE_FLASH8: return flashromMenu8();
# ifdef ENABLE_FLASH16
case CORE_FLASH16: return flashromMenu16();
case CORE_EPROM: return epromMenu();
# endif
#endif
#ifdef ENABLE_MD
case CORE_MD_CART: return mdCartMenu();
case CORE_SEGA_CD: return segaCDMenu();
#endif
#ifdef ENABLE_PCE
case CORE_PCE: return pceMenu();
#endif
#ifdef ENABLE_SV
case CORE_SV: return svMenu();
#endif
#ifdef ENABLE_NES
case CORE_NES: return nesMenu();
#endif
#ifdef ENABLE_SMS
case CORE_SMS: return smsMenu();
#endif
#ifdef ENABLE_WS
case CORE_WS: return wsMenu();
#endif
#ifdef ENABLE_NGP
case CORE_NGP: return ngpMenu();
#endif
#ifdef ENABLE_INTV
case CORE_INTV: return intvMenu();
#endif
#ifdef ENABLE_COLV
case CORE_COL: return colMenu();
#endif
#ifdef ENABLE_VBOY
case CORE_VBOY: return vboyMenu();
#endif
#ifdef ENABLE_WSV
case CORE_WSV: return wsvMenu();
#endif
#ifdef ENABLE_PCW
case CORE_PCW: return pcwMenu();
#endif
#ifdef ENABLE_ODY2
case CORE_ODY2: return ody2Menu();
#endif
#ifdef ENABLE_ARC
case CORE_ARC: return arcMenu();
#endif
#ifdef ENABLE_FAIRCHILD
case CORE_FAIRCHILD: return fairchildMenu();
#endif
#ifdef ENABLE_SUPRACAN
case CORE_SUPRACAN: return suprAcanMenu();
#endif
#ifdef ENABLE_MSX
case CORE_MSX: return msxMenu();
#endif
#ifdef ENABLE_POKE
case CORE_POKE: return pokeMenu();
#endif
#ifdef ENABLE_LOOPY
case CORE_LOOPY: return loopyMenu();
#endif
#ifdef ENABLE_C64
case CORE_C64: return c64Menu();
#endif
#ifdef ENABLE_2600
case CORE_2600: return a2600Menu();
#endif
#ifdef ENABLE_5200
case CORE_5200: return a5200Menu();
#endif
#ifdef ENABLE_7800
case CORE_7800: return a7800Menu();
#endif
#ifdef ENABLE_VECTREX
case CORE_VECTREX: return vectrexMenu();
#endif
#ifdef ENABLE_ST
case CORE_ST: return stMenu();
#endif
#ifdef ENABLE_GPC
case CORE_GPC: return gpcMenu();
#endif
case CORE_MAX: return resetArduino();
}
}
//******************************************
// End of File
//******************************************
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