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cartreader/Cart_Reader/Cart_Reader.ino
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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: 27.10.2021
Version: 7.1
SD lib: https://github.com/greiman/SdFat
OLED lib: https://github.com/adafruit/Adafruit_SSD1306
GFX Lib: https://github.com/adafruit/Adafruit-GFX-Library
BusIO: https://github.com/adafruit/Adafruit_BusIO
LCD lib: https://github.com/olikraus/u8g2
RGB Tools lib: https://github.com/joushx/Arduino-RGB-Tools
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 1.8.13
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
Tamanegi_taro - PCE and Satellaview modules
splash5 - GBSmart, Wonderswan and NGP modules
hkz & themanbehindthecurtain - N64 flashram commands
Andrew Brown & Peter Den Hartog - N64 controller protocol
Shaun Taylor - N64 controller CRC functions
Angus Gratton - CRC32
Snes9x - SuperFX sram fix
insidegadgets - GBCartRead
RobinTheHood - GameboyAdvanceRomDumper
Gens-gs - Megadrive checksum
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, scrap-a, borti4938, vogelfreiheit, Modman, philenotfound
And to nocash for figuring out the secrets of the SFC Nintendo Power cartridge.
**********************************************************************************/
char ver[5] = "7.1";
/******************************************
Libraries
*****************************************/
// Options
#include "options.h"
// Basic Libs
#include <SPI.h>
#include <Wire.h>
#include <avr/pgmspace.h>
#include <avr/wdt.h>
// SD Card
#include "SdFat.h"
SdFs sd;
FsFile myDir;
FsFile myFile;
// 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);
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;
}
// 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
RotaryEncoder encoder(PIN_IN1, PIN_IN2, RotaryEncoder::LatchMode::FOUR3);
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);
#else
#ifndef enable_LCD
// 4 Pin RGB LED
#include <RGBTools.h>
// Set pins of red, green and blue
RGBTools rgb(12, 11, 10);
#endif
#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 <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#endif
// Adafruit Clock Generator
#include <si5351.h>
Si5351 clockgen;
// RTC Library
#ifdef RTC_installed
#include "RTC.h"
#endif
/******************************************
Defines
*****************************************/
// Mode menu
#define mode_N64_Cart 0
#define mode_N64_Controller 1
#define mode_SNES 2
#define mode_SFM 3
#define mode_SFM_Flash 4
#define mode_SFM_Game 5
#define mode_GB 6
#define mode_FLASH8 7
#define mode_FLASH16 8
#define mode_GBA 9
#define mode_GBM 10
#define mode_MD_Cart 11
#define mode_EPROM 12
#define mode_PCE 13
#define mode_SV 14
#define mode_NES 15
#define mode_SMS 16
#define mode_SEGA_CD 17
#define mode_GB_GBSmart 18
#define mode_GB_GBSmart_Flash 19
#define mode_GB_GBSmart_Game 20
#define mode_WS 21
#define mode_NGP 22
// 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 32
#define FILEPATH_LENGTH 64
#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
char romName[17];
unsigned long sramSize = 0;
int romType = 0;
byte saveType;
word romSize = 0;
word numBanks = 128;
char checksumStr[5];
bool errorLvl = 0;
byte romVersion = 0;
char cartID[5];
String CRC1 = "";
String CRC2 = "";
unsigned long cartSize;
char flashid[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
byte mode;
//remember folder number to create a new folder for every save
int foldern;
char folder[36];
// 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) = 0;
// Progressbar
void draw_progressbar(uint32_t processedsize, uint32_t totalsize);
//******************************************
// Data used by multiple modules
//******************************************
// CRC32 lookup table // 256 entries
static const 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
};
// used by MD and NES modules
byte eepbit[8];
byte eeptemp;
/******************************************
Main menu optimized for rotary encoder
*****************************************/
#if defined(enable_LCD)
// Main menu
static const char modeItem1[] PROGMEM = "Super Nintendo";
static const char modeItem2[] PROGMEM = "Mega Drive";
static const char modeItem3[] PROGMEM = "Nintendo 64";
static const char modeItem4[] PROGMEM = "Game Boy";
static const char modeItem5[] PROGMEM = "NES/Famicom";
static const char modeItem6[] PROGMEM = "Flashrom Programmer";
static const char modeItem7[] PROGMEM = "PC Engine/TG16";
static const char modeItem8[] PROGMEM = "Sega Master System";
static const char modeItem9[] PROGMEM = "WonderSwan";
static const char modeItem10[] PROGMEM = "NeoGeo Pocket";
static const char modeItem11[] PROGMEM = "About";
static const char* const modeOptions[] PROGMEM = {modeItem1, modeItem2, modeItem3, modeItem4, modeItem5, modeItem6, modeItem7, modeItem8, modeItem9, modeItem10, modeItem11};
// All included slots
void mainMenu() {
// create menu with title and 11 options to choose from
unsigned char modeMenu;
// Main menu spans across two pages
currPage = 1;
lastPage = 1;
numPages = 2;
while (1) {
if (currPage == 1) {
// Copy menuOptions out of progmem
convertPgm(modeOptions, 0, 7);
modeMenu = question_box(F("OPEN SOURCE CART READER"), menuOptions, 7, 0);
}
if (currPage == 2) {
// Copy menuOptions out of progmem
convertPgm(modeOptions, 7, 4);
modeMenu = question_box(F("OPEN SOURCE CART READER"), menuOptions, 4, 0);
}
if (numPages == 0) {
// Execute choice
modeMenu = (currPage - 1) * 7 + modeMenu;
break;
}
}
// wait for user choice to come back from the question box menu
switch (modeMenu)
{
#ifdef enable_SNES
case 0:
snsMenu();
break;
#endif
#ifdef enable_MD
case 1:
mdMenu();
break;
#endif
#ifdef enable_N64
case 2:
n64Menu();
break;
#endif
#ifdef enable_GBX
case 3:
gbxMenu();
break;
#endif
#ifdef enable_NES
case 4:
nesMenu();
break;
#endif
#ifdef enable_FLASH
case 5:
flashMenu();
break;
#endif
#ifdef enable_PCE
case 6:
pcsMenu();
break;
#endif
#ifdef enable_SMS
case 7:
smsMenu();
break;
#endif
#ifdef enable_WS
case 8:
display_Clear();
display_Update();
setup_WS();
mode = mode_WS;
break;
#endif
#ifdef enable_NGP
case 9:
display_Clear();
display_Update();
setup_NGP();
mode = mode_NGP;
break;
#endif
case 10:
aboutScreen();
break;
}
}
/******************************************
Main menu optimized for buttons
*****************************************/
#else
// Main menu
static const char modeItem1[] PROGMEM = "Add-ons";
static const char modeItem2[] PROGMEM = "Super Nintendo";
static const char modeItem3[] PROGMEM = "Mega Drive";
static const char modeItem4[] PROGMEM = "Nintendo 64";
static const char modeItem5[] PROGMEM = "Game Boy";
static const char modeItem6[] PROGMEM = "About";
static const char modeItem7[] PROGMEM = "Reset";
static const char* const modeOptions[] PROGMEM = {modeItem1, modeItem2, modeItem3, modeItem4, modeItem5, modeItem6, modeItem7};
// Add-ons submenu
static const char addonsItem1[] PROGMEM = "NES/Famicom";
static const char addonsItem2[] PROGMEM = "Flashrom Programmer";
static const char addonsItem3[] PROGMEM = "PC Engine/TG16";
static const char addonsItem4[] PROGMEM = "Sega Master System";
static const char addonsItem5[] PROGMEM = "WonderSwan";
static const char addonsItem6[] PROGMEM = "NeoGeo Pocket";
static const char addonsItem7[] PROGMEM = "Reset";
static const char* const addonsOptions[] PROGMEM = {addonsItem1, addonsItem2, addonsItem3, addonsItem4, addonsItem5, addonsItem6, addonsItem7};
// All included slots
void mainMenu() {
// create menu with title and 6 options to choose from
unsigned char modeMenu;
// Copy menuOptions out of progmem
convertPgm(modeOptions, 7);
modeMenu = question_box(F("OPENSOURCE CARTREADER"), menuOptions, 7, 0);
// wait for user choice to come back from the question box menu
switch (modeMenu)
{
case 0:
addonsMenu();
break;
#ifdef enable_SNES
case 1:
snsMenu();
break;
#endif
#ifdef enable_MD
case 2:
mdMenu();
break;
#endif
#ifdef enable_N64
case 3:
n64Menu();
break;
#endif
#ifdef enable_GBX
case 4:
gbxMenu();
break;
#endif
case 5:
aboutScreen();
break;
case 6:
resetArduino();
break;
}
}
// Everything that needs an adapter
void addonsMenu() {
// create menu with title and 7 options to choose from
unsigned char addonsMenu;
// Copy menuOptions out of progmem
convertPgm(addonsOptions, 7);
addonsMenu = question_box(F("Choose Adapter"), menuOptions, 7, 0);
// wait for user choice to come back from the question box menu
switch (addonsMenu)
{
#ifdef enable_NES
case 0:
nesMenu();
break;
#endif
#ifdef enable_FLASH
case 1:
flashMenu();
break;
#endif
#ifdef enable_PCE
case 2:
pcsMenu();
break;
#endif
#ifdef enable_SMS
case 3:
smsMenu();
break;
#endif
#ifdef enable_WS
case 4:
display_Clear();
display_Update();
setup_WS();
mode = mode_WS;
break;
#endif
#ifdef enable_NGP
case 5:
display_Clear();
display_Update();
setup_NGP();
mode = mode_NGP;
break;
#endif
case 6:
resetArduino();
break;
}
}
#endif
/******************************************
About Screen
*****************************************/
// Info Screen
void aboutScreen() {
display_Clear();
println_Msg(F("Cartridge Reader"));
println_Msg(F("github.com/sanni"));
print_Msg(F("2021 Version "));
println_Msg(ver);
println_Msg(F(""));
println_Msg(F(""));
println_Msg(F(""));
println_Msg(F(""));
println_Msg(F("Press Button"));
display_Update();
while (1) {
#if defined(enable_LCD) || defined(enable_OLED)
// get input button
int 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
setColor_RGB(random(0, 255), random(0, 255), random(0, 255));
delay(random(50, 100));
}
}
/******************************************
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 "]"
print_Msg(F("]"));
}
else {
print_Msg(F("*"));
}
}
//update previous "*" status
previous = current;
//Update display
display_Update();
}
}
/******************************************
Setup
*****************************************/
void setup() {
// Set Button Pins(PD7, PG2) to Input
DDRD &= ~(1 << 7);
DDRG &= ~(1 << 2);
// Activate Internal Pullup Resistors
//PORTD |= (1 << 7);
//PORTG |= (1 << 2);
// Read current folder number out of eeprom
EEPROM_readAnything(0, foldern);
#ifdef enable_LCD
display.begin();
display.setContrast(40);
display.setFont(u8g2_font_haxrcorp4089_tr);
#endif
#ifdef enable_neopixel
pixels.begin();
pixels.clear();
pixels.setPixelColor(0, pixels.Color(100, 0, 0));
pixels.setPixelColor(1, pixels.Color(0, 0, 100));
pixels.setPixelColor(2, pixels.Color(0, 0, 100));
pixels.show();
#endif
#ifdef enable_OLED
// GLCD
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
display.setTextSize(1);
display.setTextColor(WHITE);
// Clear the screen buffer.
display_Clear();
#endif
#ifdef enable_serial
// Serial Begin
Serial.begin(9600);
Serial.println("");
Serial.println(F("Cartridge Reader"));
Serial.println(F("2021 sanni"));
Serial.println("");
// LED Error
setColor_RGB(0, 0, 255);
#endif
// Init SD card
if (!sd.begin(SS)) {
display_Clear();
print_Error(F("SD Error"), true);
}
#ifdef RTC_installed
// Start RTC
RTCStart();
// Set Date/Time Callback Funtion
SdFile::dateTimeCallback(dateTime);
#endif
startMenu();
}
/******************************************
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) {
#ifdef enable_neopixel
// Dim Neopixel LEDs
if (r >= 100) r = 100;
if (g >= 100) g = 100;
if (b >= 100) b = 100;
pixels.clear();
pixels.setPixelColor(0, pixels.Color(100, 0, 0));
pixels.setPixelColor(1, pixels.Color(g, r, b));
pixels.setPixelColor(2, pixels.Color(g, r, b));
pixels.show();
#else
rgb.setColor(r, g, b);
#endif
}
// Converts a progmem array into a ram array
void convertPgm(const char* const pgmOptions[], byte startArray, byte numArrays) {
for (int i = 0; i < numArrays; i++) {
strlcpy_P(menuOptions[i], (char*)pgm_read_word(&(pgmOptions[i + startArray])), 20);
}
}
// 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(const __FlashStringHelper *errorMessage, boolean forceReset) {
errorLvl = 1;
setColor_RGB(255, 0, 0);
println_Msg(errorMessage);
display_Update();
if (forceReset) {
#if defined(enable_OLED) || defined(enable_LCD)
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
if (ignoreError == 0) {
resetArduino();
}
else {
ignoreError = 0;
display_Clear();
println_Msg(F(""));
println_Msg(F(""));
println_Msg(F(""));
println_Msg(F(" Error Overwrite"));
display_Update();
delay(2000);
}
#endif
#ifdef enable_serial
println_Msg(F("Fatal Error, please reset"));
while (1);
#endif
}
}
void wait() {
#if defined(enable_LCD)
wait_btn();
#elif defined (enable_OLED)
wait_btn();
#elif defined (enable_serial)
wait_serial();
#endif
}
void print_Msg(const __FlashStringHelper *string) {
#ifdef enable_LCD
display.print(string);
#endif
#ifdef enable_OLED
display.print(string);
#endif
#ifdef enable_serial
Serial.print(string);
#endif
}
void print_Msg(const char myString[]) {
#ifdef enable_LCD
// test for word wrap
if ((display.tx + strlen(myString) * 6) > 128) {
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 remaining characters
while (strPos < strlen(myString)) {
display.print(myString[strPos]);
strPos++;
}
}
else {
display.print(myString);
}
#endif
#ifdef enable_OLED
display.print(myString);
#endif
#ifdef enable_serial
Serial.print(myString);
#endif
}
void print_Msg(long unsigned int message) {
#ifdef enable_LCD
display.print(message);
#endif
#ifdef enable_OLED
display.print(message);
#endif
#ifdef enable_serial
Serial.print(message);
#endif
}
void print_Msg(byte message, int outputFormat) {
#ifdef enable_LCD
display.print(message, outputFormat);
#endif
#ifdef enable_OLED
display.print(message, outputFormat);
#endif
#ifdef enable_serial
Serial.print(message, outputFormat);
#endif
}
void print_Msg(String string) {
#ifdef enable_LCD
display.print(string);
#endif
#ifdef enable_OLED
display.print(string);
#endif
#ifdef enable_serial
Serial.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) {
#ifdef enable_LCD
print_Msg(string);
display.setCursor(0, display.ty + 8);
#endif
#ifdef enable_OLED
display.println(string);
#endif
#ifdef enable_serial
Serial.println(string);
#endif
}
void println_Msg(byte message, int outputFormat) {
#ifdef enable_LCD
print_Msg(message, outputFormat);
display.setCursor(0, display.ty + 8);
#endif
#ifdef enable_OLED
display.println(message, outputFormat);
#endif
#ifdef enable_serial
Serial.println(message, outputFormat);
#endif
}
void println_Msg(const char message[]) {
#ifdef enable_LCD
print_Msg(message);
display.setCursor(0, display.ty + 8);
#endif
#ifdef enable_OLED
display.println(message);
#endif
#ifdef enable_serial
Serial.println(message);
#endif
}
void println_Msg(const __FlashStringHelper *string) {
#ifdef enable_LCD
print_Msg(string);
display.setCursor(0, display.ty + 8);
#endif
#ifdef enable_OLED
display.println(string);
#endif
#ifdef enable_serial
Serial.println(string);
#endif
}
void println_Msg(long unsigned int message) {
#ifdef enable_LCD
print_Msg(message);
display.setCursor(0, display.ty + 8);
#endif
#ifdef enable_OLED
display.println(message);
#endif
#ifdef enable_serial
Serial.println(message);
#endif
}
void display_Update() {
#ifdef enable_LCD
display.updateDisplay();
#endif
#ifdef enable_OLED
display.display();
#endif
#ifdef enable_serial
delay(100);
#endif
}
void display_Clear() {
#ifdef enable_LCD
display.clearDisplay();
display.setCursor(0, 8);
#endif
#ifdef enable_OLED
display.clearDisplay();
display.setCursor(0, 0);
#endif
}
unsigned char question_box(const __FlashStringHelper* question, char answers[7][20], int num_answers, int default_choice) {
#ifdef enable_LCD
return questionBox_LCD(question, answers, num_answers, default_choice);
#endif
#ifdef enable_OLED
return questionBox_OLED(question, answers, num_answers, default_choice);
#endif
#ifdef enable_serial
return questionBox_Serial(question, answers, num_answers, default_choice);
#endif
}
/******************************************
Serial Out
*****************************************/
#ifdef enable_serial
void wait_serial() {
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_Error(F("Can't open file"), true);
}
}*/
}
byte questionBox_Serial(const __FlashStringHelper* question, char answers[7][20], int num_answers, int default_choice) {
// Print menu to serial monitor
//Serial.println(question);
for (byte i = 0; i < num_answers; i++) {
Serial.print(i);
Serial.print(F(")"));
Serial.println(answers[i]);
}
// Wait for user input
Serial.println("");
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): _ "));
while (Serial.available() == 0) {
}
// Read the incoming byte:
incomingByte = Serial.read() - 48;
/* Import file (i)
if (incomingByte == 57) {
if (filebrowse == 1) {
// Make sure we have an import directory
sd.mkdir("IMPORT", true);
// Create and open file on sd card
EEPROM_readAnything(0, foldern);
sprintf(fileName, "IMPORT/%d.bin", foldern);
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
print_Error(F("Can't create file on SD"), true);
}
// Read file from serial
fileSize = 0;
while (Serial.available() > 0) {
myFile.write(Serial.read());
fileSize++;
// Blink led
blinkLED();
}
// Close the file:
myFile.close();
// Write new folder number back to eeprom
foldern = foldern + 1;
EEPROM_writeAnything(0, foldern);
print_Msg(F("Imported "));
print_Msg(fileSize);
print_Msg(F(" bytes to file "));
println_Msg(fileName);
return 7;
}
}*/
// Page up (u)
if (incomingByte == 69) {
if (filebrowse == 1) {
if (currPage > 1) {
lastPage = currPage;
currPage--;
}
else {
root = 1;
}
}
}
// Page down (d)
else if (incomingByte == 52) {
if ((numPages > currPage) && (filebrowse == 1)) {
lastPage = currPage;
currPage++;
}
}
// Print the received byte for validation e.g. in case of a different keyboard mapping
//Serial.println(incomingByte);
//Serial.println("");
return incomingByte;
}
#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_OLED) || defined(enable_serial)
PORTB ^= (1 << 4);
#elif defined(enable_LCD)
PORTB ^= (1 << 7);
#endif
}
/******************************************
LCD Menu Module
*****************************************/
#if defined(enable_LCD) && defined(enable_rotary)
// Read encoder state
int 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();
if (rotaryDir == 1) {
rotaryPos = newPos;
return 1;
}
else if (rotaryDir == -1) {
rotaryPos = newPos;
return 2;
}
else {
return 0;
}
}
// Check if button has changed
else {
if (reading != lastButtonState) {
lastDebounceTime = millis();
}
// Debounce button
if ((millis() - lastDebounceTime) > debounceDelay) {
if (reading != buttonState) {
buttonState = reading;
// Button was pressed down
if (buttonState == 0) {
unsigned long pushTime = millis();
// Wait until button was let go again
while ((PING & (1 << PING2)) >> PING2 == 0);
lastButtonState = reading;
// If the hold time was over 10 seconds, super long press for resetting eeprom in about screen
if (millis() - pushTime > 10000) {
return 4;
}
// long press
else {
return 3;
}
}
}
else {
lastButtonState = reading;
return 0;
}
}
else {
lastButtonState = reading;
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
int b = checkButton();
#ifdef enable_N64
#ifndef clockgen_installed
// Send some clock pulses to the Eeprom in case it locked up
if ((mode == mode_N64_Cart) && ((saveType == 5) || (saveType == 6))) {
pulseClock_N64(1);
}
#endif
#endif
// 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) {
// Debug
//ignoreError = 1;
errorLvl = 0;
}
break;
}
}
}
// 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();
#ifdef enable_N64
#ifndef clockgen_installed
// Send some clock pulses to the Eeprom in case it locked up
if ((mode == mode_N64_Cart) && ((saveType == 5) || (saveType == 6))) {
pulseClock_N64(1);
}
#endif
#endif
if (rotaryPos != newPos) {
rotaryPos = newPos;
errorLvl = 0;
break;
}
}
}
#endif
#ifdef enable_LCD
// Display a question box with selectable answers. Make sure default choice is in (0, num_answers]
unsigned char questionBox_LCD(const __FlashStringHelper * question, char answers[7][20], int num_answers, int 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
1 click
2 doubleClick
3 hold
4 longHold */
int b = checkButton();
// go one up in the menu if button is pressed twice
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 (choice == 0) {
if (currPage > 1) {
lastPage = currPage;
currPage--;
break;
}
else if (filebrowse == 1) {
root = 1;
break;
}
}
else if (choice > 0) {
choice--;
}
else {
choice = num_answers - 1;
}
// 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 Dumpers 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;
}
}
// pass on user choice
setColor_RGB(0, 0, 0);
return choice;
}
#endif
/******************************************
OLED Menu Module
*****************************************/
#ifdef enable_OLED
// Read button state
int checkButton() {
#ifdef enable_Button2
if (checkButton2() != 0)
return 3;
else
return (checkButton1());
#else
return (checkButton1());
#endif
}
// Read button 1
int checkButton1() {
int 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
int checkButton2() {
int event = 0;
// Read the state of the button (PD7)
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
int b = checkButton();
#ifdef enable_N64
#ifndef clockgen_installed
// Send some clock pulses to the Eeprom in case it locked up
if ((mode == mode_N64_Cart) && ((saveType == 5) || (saveType == 6))) {
pulseClock_N64(1);
}
#endif
#endif
// 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) {
// Debug
//ignoreError = 1;
errorLvl = 0;
}
break;
}
}
}
// Display a question box with selectable answers. Make sure default choice is in (0, num_answers]
unsigned char questionBox_OLED(const __FlashStringHelper * question, char answers[7][20], int num_answers, int default_choice) {
//clear the screen
display.clearDisplay();
display.display();
display.setCursor(0, 0);
// change the rgb led to the start menu color
rgbLed(default_choice);
// print menu
display.println(question);
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.display();
// start with the default choice
choice = default_choice;
// draw selection box
display.fillRect(0, 8 * choice + 10, 3, 4, WHITE);
display.display();
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
1 click
2 doubleClick
3 hold
4 longHold */
int b = checkButton();
if (b == 2) {
idleTime = millis();
// remove selection box
display.fillRect(0, 8 * choice + 10, 3, 4, BLACK);
display.display();
if ((choice == 0) && (filebrowse == 1)) {
if (currPage > 1) {
lastPage = currPage;
currPage--;
break;
}
else {
root = 1;
break;
}
}
else if (choice > 0) {
choice--;
}
else {
choice = num_answers - 1;
}
// draw selection box
display.fillRect(0, 8 * choice + 10, 3, 4, WHITE);
display.display();
// change RGB led to the color of the current menu option
rgbLed(choice);
}
// go one down in the menu if the Cart Dumpers button is clicked shortly
if (b == 1) {
idleTime = millis();
// remove selection box
display.fillRect(0, 8 * choice + 10, 3, 4, BLACK);
display.display();
if ((choice == num_answers - 1 ) && (numPages > currPage) && (filebrowse == 1)) {
lastPage = currPage;
currPage++;
break;
}
else
choice = (choice + 1) % num_answers;
// draw selection box
display.fillRect(0, 8 * choice + 10, 3, 4, WHITE);
display.display();
// change RGB led to the color of the current menu option
rgbLed(choice);
}
// if the Cart Dumpers button is hold continiously leave the menu
// so the currently highlighted action can be executed
if (b == 3) {
idleTime = millis();
break;
}
}
// pass on user choice
setColor_RGB(0, 0, 0);
return choice;
}
#endif
/******************************************
Filebrowser Module
*****************************************/
void fileBrowser(const __FlashStringHelper * browserTitle) {
char fileNames[30][FILENAME_LENGTH];
int currFile;
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_Error(F("SD Error"), true);
}
// Read in File as long as there are files
while (myFile.openNext(&myDir, O_READ)) {
// Get name of file
myFile.getName(nameStr, FILENAME_LENGTH);
// Ignore if hidden
if (myFile.isHidden()) {
}
// Indicate a directory.
else if (myFile.isDir()) {
// Copy full dirname into fileNames
snprintf(fileNames[currFile], FILENAME_LENGTH, "%s%s", "/", nameStr);
currFile++;
}
// It's just a file
else if (myFile.isFile()) {
// Copy full filename into fileNames
snprintf(fileNames[currFile], FILENAME_LENGTH, "%s", nameStr);
currFile++;
}
myFile.close();
}
myDir.close();
// "Calculate number of needed pages"
if (currFile < 8)
numPages = 1;
else if (currFile < 15)
numPages = 2;
else if (currFile < 22)
numPages = 3;
else if (currFile < 29)
numPages = 4;
else if (currFile < 36)
numPages = 5;
// 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;
if (currFile < 8)
count = currFile;
else if (currPage == 1)
count = 7;
else if (currFile < 15)
count = currFile - 7;
else if (currPage == 2)
count = 7;
else if (currFile < 22)
count = currFile - 14;
else if (currPage == 3)
count = 7;
else if (currFile < 29)
count = currFile - 21;
else {
display_Clear();
println_Msg(F("Too many files"));
display_Update();
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
}
for (byte i = 0; i < 8; i++ ) {
// Copy short string into fileOptions
snprintf( answers[i], FILEOPTS_LENGTH, "%s", fileNames[ ((currPage - 1) * 7 + 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 + ((currPage - 1) * 7)], FILENAME_LENGTH - 1);
break;
case 1:
strncpy(fileName, fileNames[1 + ((currPage - 1) * 7)], FILENAME_LENGTH - 1);
break;
case 2:
strncpy(fileName, fileNames[2 + ((currPage - 1) * 7)], FILENAME_LENGTH - 1);
break;
case 3:
strncpy(fileName, fileNames[3 + ((currPage - 1) * 7)], FILENAME_LENGTH - 1);
break;
case 4:
strncpy(fileName, fileNames[4 + ((currPage - 1) * 7)], FILENAME_LENGTH - 1);
break;
case 5:
strncpy(fileName, fileNames[5 + ((currPage - 1) * 7)], FILENAME_LENGTH - 1);
break;
case 6:
strncpy(fileName, fileNames[6 + ((currPage - 1) * 7)], 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() {
#ifdef enable_N64
if (mode == mode_N64_Controller) {
n64ControllerMenu();
}
else if (mode == mode_N64_Cart) {
n64CartMenu();
}
#else
if (1 == 0) { }
#endif
#ifdef enable_SNES
else if (mode == mode_SNES) {
snesMenu();
}
#endif
#ifdef enable_FLASH
else if (mode == mode_FLASH8) {
flashromMenu8();
}
else if (mode == mode_FLASH16) {
flashromMenu16();
}
else if (mode == mode_EPROM) {
epromMenu();
}
#endif
#ifdef enable_NP
else if (mode == mode_SFM) {
sfmMenu();
}
#endif
#ifdef enable_GBX
else if (mode == mode_GB) {
gbMenu();
}
else if (mode == mode_GBA) {
gbaMenu();
}
#endif
#ifdef enable_NP
else if (mode == mode_SFM_Flash) {
sfmFlashMenu();
}
else if (mode == mode_SFM_Game) {
sfmGameOptions();
}
#endif
#ifdef enable_GBX
else if (mode == mode_GBM) {
gbmMenu();
}
#endif
#ifdef enable_MD
else if (mode == mode_MD_Cart) {
mdCartMenu();
}
#endif
#ifdef enable_PCE
else if (mode == mode_PCE) {
pceMenu();
}
#endif
#ifdef enable_SV
else if (mode == mode_SV) {
svMenu();
}
#endif
#ifdef enable_NES
else if (mode == mode_NES) {
nesMenu();
}
#endif
#ifdef enable_SMS
else if (mode == mode_SMS) {
smsMenu();
}
#endif
#ifdef enable_MD
else if (mode == mode_SEGA_CD) {
segaCDMenu();
}
#endif
#ifdef enable_GBX
else if (mode == mode_GB_GBSmart) {
gbSmartMenu();
}
else if (mode == mode_GB_GBSmart_Flash) {
gbSmartFlashMenu();
}
else if (mode == mode_GB_GBSmart_Game) {
gbSmartGameOptions();
}
#endif
#ifdef enable_WS
else if (mode == mode_WS) {
wsMenu();
}
#endif
#ifdef enable_NGP
else if (mode == mode_NGP) {
ngpMenu();
}
#endif
else {
display_Clear();
println_Msg(F("Menu Error"));
println_Msg("");
println_Msg("");
print_Msg(F("Mode = "));
print_Msg(mode);
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
resetArduino();
}
}
//******************************************
// End of File
//******************************************
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