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cartreader/Cart_Reader/Cart_Reader.ino
sanni b369318a32
V30I: Add option to enable/disable N64 CRC32 checking 
In Cart_Reader.ino line 71 change "boolean n64crc = 1" to "boolean n64crc = 0" to disable the CRC32 check when dumping roms. This is useful if you rather calculate the checksums on your much faster computer. Calculating the CRC32 is enabled by default now and can take quite some time.
2018-02-02 10:52:05 +01:00

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40 KiB
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/**********************************************************************************
Cartridge Reader for Arduino Mega2560
Author: sanni
Date: 2018-02-02
Version: V30I
SD lib: https://github.com/greiman/SdFat
LCD lib: https://github.com/adafruit/Adafruit_SSD1306
Clockgen: https://github.com/etherkit/Si5351Arduino
RGB Tools lib: https://github.com/joushx/Arduino-RGB-Tools
Compiled with Arduino 1.8.5
Thanks to:
MichlK - ROM-Reader for Super Nintendo
Jeff Saltzman - 4-Way Button
Wayne and Layne - Video-Game-Shield menu
skaman - SNES enhancements, SA1 sram support and GB flash fix
nocash - Nintendo Power and GBA Eeprom commands and lots of other info
crazynation - N64 bus timing
hkz/themanbehindthecurtain - N64 flashram commands
jago85 - help with N64 stuff
Andrew Brown/Peter Den Hartog - N64 controller protocol
bryc - mempak
Shaun Taylor - N64 controller CRC functions
Angus Gratton - CRC32
Tamanegi_taro - SA1 fix
Snes9x - SuperFX sram fix
zzattack - multigame pcb fix
Pickle - SDD1 fix
insidegadgets - GBCartRead
RobinTheHood - GameboyAdvanceRomDumper
YamaArashi - GBA flashrom bank switch command
infinest - help with GB Memory cart
**********************************************************************************/
char ver[5] = "V30I";
/******************************************
Define Starting Point
******************************************/
// mainMenu, n64Menu, snsMenu, gbxMenu, segaMenu, flashMenu
#define startMenu mainMenu
/******************************************
Define Output
******************************************/
// To use the Serial Monitor change
// enable_OLED to 0 and enable_Serial to 1
#define enable_OLED 1
#define enable_Serial 0
/******************************************
Define Input
******************************************/
// If you are using the old version with only one button add // in front of the next line
#define enable_Button2
/******************************************
Define SD Speed
******************************************/
// Change to half speed if you get an sd error or it hangs when writing
#define sdSpeed SPI_FULL_SPEED
//#define sdSpeed SPI_HALF_SPEED
/******************************************
Options
******************************************/
// If set to 1 then the crc32 checksum will be calculated after reading a N64 rom
boolean n64crc = 1;
/******************************************
Libraries
*****************************************/
// Basic Libs
#include <SPI.h>
#include <Wire.h>
#include <avr/pgmspace.h>
// AVR Eeprom
#include <EEPROM.h>
#include "EEPROMAnything.h"
// Graphic I2C LCD
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);
// Check if Adafruit_SSD1306.h was setup for 128x64
#if (SSD1306_LCDHEIGHT != 64)
#error("Incorrect height defined in Adafruit_SSD1306.h");
#endif
// Adafruit Clock Generator
#include <si5351.h>
Si5351 clockgen;
// RGB LED
#include <RGBTools.h>
// Set pins of red, green and blue
RGBTools rgb(12, 11, 10);
typedef enum COLOR_T {
blue_color,
red_color,
purple_color,
green_color,
turquoise_color,
yellow_color,
white_color,
} color_t;
// SD Card (Pin 50 = MISO, Pin 51 = MOSI, Pin 52 = SCK, Pin 53 = SS)
#include <SdFat.h>
#define chipSelectPin 53
SdFat sd;
SdFile myFile;
/******************************************
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 11
/******************************************
Variables
*****************************************/
// Button timing
static int debounce = 20; // ms debounce period to prevent flickering when pressing or releasing the button
static int DCgap = 250; // max ms between clicks for a double click event
static int holdTime = 2000; // ms hold period: how long to wait for press+hold event
static int longHoldTime = 5000; // ms long hold period: how long to wait for press+hold event
// Variables for 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
// Variables for 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
// For incoming serial data
int incomingByte;
// 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
char fileName[26];
char filePath[50];
byte currPage;
byte lastPage;
byte numPages;
boolean root = 0;
boolean filebrowse = 0;
char fileOptions[30][20];
// Common
char romName[17];
unsigned long sramSize = 0;
int romType = 0;
byte saveType;
word romSize = 0;
byte numBanks = 128;
char checksumStr[5];
bool errorLvl = 0;
byte romVersion = 0;
char cartID[5];
unsigned long cartSize;
char flashid[5];
char vendorID[5];
unsigned long fileSize;
unsigned long sramBase;
// 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];
//******************************************
// Bitmaps
//******************************************
static const unsigned char PROGMEM icon [] = {
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x80
};
static const unsigned char PROGMEM sig [] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
/******************************************
Menu
*****************************************/
// Main menu
static const char modeItem1[] PROGMEM = "Nintendo 64";
static const char modeItem2[] PROGMEM = "Super Nintendo";
static const char modeItem3[] PROGMEM = "Game Boy";
static const char modeItem4[] PROGMEM = "Mega Drive";
static const char modeItem5[] PROGMEM = "Flashrom Programmer";
static const char modeItem6[] PROGMEM = "About";
static const char* const modeOptions[] PROGMEM = {modeItem1, modeItem2, modeItem3, modeItem4, modeItem5, modeItem6};
void aboutScreen() {
display_Clear();
// Draw the Logo
display.drawBitmap(0, 0, sig, 128, 64, 1);
println_Msg(F("Cartridge Reader"));
println_Msg(F("github.com/sanni"));
print_Msg(F("2018 "));
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 (enable_OLED) {
// get input button
int b = checkButton();
// if the cart readers input button is pressed shortly
if (b == 1) {
asm volatile (" jmp 0");
}
// if the cart readers input button is pressed long
if (b == 3) {
asm volatile (" jmp 0");
}
// 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(10, foldern);
asm volatile (" jmp 0");
}
}
if (enable_Serial) {
wait_serial();
asm volatile (" jmp 0");
}
rgb.setColor(random(0, 255), random(0, 255), random(0, 255));
delay(random(50, 100));
}
}
void mainMenu() {
// create menu with title and 6 options to choose from
unsigned char modeMenu;
// Copy menuOptions out of progmem
convertPgm(modeOptions, 6);
modeMenu = question_box("Cartridge Reader", menuOptions, 6, 0);
// wait for user choice to come back from the question box menu
switch (modeMenu)
{
case 0:
n64Menu();
break;
case 1:
snsMenu();
break;
case 2:
gbxMenu();
break;
case 3:
segaMenu();
break;
case 4:
flashMenu();
break;
case 5:
aboutScreen();
break;
}
}
/******************************************
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);
// Initialize LED
rgb.setColor(0, 0, 0);
// Read current folder number out of eeprom
EEPROM_readAnything(10, foldern);
if (enable_OLED) {
// GLCD
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
display.setTextSize(1);
display.setTextColor(WHITE);
// Clear the buffer.
display_Clear();
// Draw the Logo
display.drawBitmap(28, 0, icon, 72, 64, 1);
display.setCursor(100, 55);
display.println(ver);
display_Update();
delay(1200);
}
if (enable_Serial) {
// Serial Begin
Serial.begin(9600);
Serial.println(F("Cartridge Reader"));
Serial.println(F("2018 sanni"));
Serial.println("");
// LED
rgb.setColor(0, 0, 255);
}
// Init SD card
if (!sd.begin(chipSelectPin, sdSpeed)) {
display_Clear();
print_Error(F("SD Error"), true);
}
if (enable_Serial) {
// Print SD Info
Serial.print(F("SD Card: "));
Serial.print(sd.card()->cardSize() * 512E-9);
Serial.print(F("GB FAT"));
Serial.println(int(sd.vol()->fatType()));
}
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
*****************************************/
// Converts a progmem array into a ram array
void convertPgm(const char* const pgmOptions[], byte numArrays) {
for (int i = 0; i < numArrays; i++) {
strcpy_P(menuOptions[i], (char*)pgm_read_word(&(pgmOptions[i])));
}
}
void print_Error(const __FlashStringHelper *errorMessage, boolean forceReset) {
errorLvl = 1;
rgb.setColor(255, 0, 0);
println_Msg(errorMessage);
display_Update();
if (forceReset) {
if (enable_Serial) {
println_Msg(F("Fatal Error, please reset"));
while (1);
}
else {
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
if (ignoreError == 0) {
asm volatile (" jmp 0");
}
else {
ignoreError = 0;
display_Clear();
println_Msg(F(""));
println_Msg(F(""));
println_Msg(F(""));
println_Msg(F(" Error Overwrite"));
display_Update();
delay(2000);
}
}
}
}
void wait() {
if (enable_OLED) {
wait_btn();
}
if (enable_Serial) {
wait_serial();
}
}
void print_Msg(const __FlashStringHelper *string) {
if (enable_OLED)
display.print(string);
if (enable_Serial)
Serial.print(string);
}
void print_Msg(const char string[]) {
if (enable_OLED)
display.print(string);
if (enable_Serial)
Serial.print(string);
}
void print_Msg(long unsigned int message) {
if (enable_OLED)
display.print(message);
if (enable_Serial)
Serial.print(message);
}
void print_Msg(byte message, int outputFormat) {
if (enable_OLED)
display.print(message, outputFormat);
if (enable_Serial)
Serial.print(message, outputFormat);
}
void print_Msg(String string) {
if (enable_OLED)
display.print(string);
if (enable_Serial)
Serial.print(string);
}
void println_Msg(String string) {
if (enable_OLED)
display.println(string);
if (enable_Serial)
Serial.println(string);
}
void println_Msg(byte message, int outputFormat) {
if (enable_OLED)
display.println(message, outputFormat);
if (enable_Serial)
Serial.println(message, outputFormat);
}
void println_Msg(const char message[]) {
if (enable_OLED)
display.println(message);
if (enable_Serial)
Serial.println(message);
}
void println_Msg(const __FlashStringHelper *string) {
if (enable_OLED)
display.println(string);
if (enable_Serial)
Serial.println(string);
}
void println_Msg(long unsigned int message) {
if (enable_OLED)
display.println(message);
if (enable_Serial)
Serial.println(message);
}
void display_Update() {
if (enable_OLED)
display.display();
if (enable_Serial)
delay(100);
}
void display_Clear() {
if (enable_OLED) {
display.clearDisplay();
display.setCursor(0, 0);
}
}
unsigned char question_box(const char* question, char answers[7][20], int num_answers, int default_choice) {
if (enable_OLED) {
return questionBox_OLED(question, answers, num_answers, default_choice);
}
if (enable_Serial) {
return questionBox_Serial(question, answers, num_answers, default_choice);
}
}
/******************************************
Serial Out
*****************************************/
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)
PORTB ^= (1 << 4);
Serial.write(myFile.read());
}
// Close the file:
myFile.close();
}
else {
print_Error(F("Can't open file"), true);
}
}*/
}
byte questionBox_Serial(const char* question, char answers[7][20], int num_answers, int default_choice) {
// Print menu to serial monitor
if (filebrowse) {
Serial.print("Filebrowser: ");
}
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(10, 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
PORTB ^= (1 << 4);
}
// Close the file:
myFile.close();
// Write new folder number back to eeprom
foldern = foldern + 1;
EEPROM_writeAnything(10, foldern);
print_Msg("Imported ");
print_Msg(fileSize);
print_Msg(" 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;
}
/******************************************
RGB LED
*****************************************/
void rgbLed(byte Color) {
switch (Color) {
case blue_color:
rgb.setColor(0, 0, 255);
break;
case red_color:
rgb.setColor(255, 0, 0);
break;
case purple_color:
rgb.setColor(255, 0, 255);
break;
case green_color:
rgb.setColor(0, 255, 0);
break;
case turquoise_color:
rgb.setColor(0, 255, 255);
break;
case yellow_color:
rgb.setColor(255, 255, 0);
break;
case white_color:
rgb.setColor(255, 255, 255);
break;
}
}
/******************************************
OLED Menu Module
*****************************************/
// 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 (not 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 (not holdEventPast1) {
event = 3;
waitForUp1 = true;
ignoreUp1 = true;
DConUp1 = false;
DCwaiting1 = false;
//downTime1 = millis();
holdEventPast1 = true;
}
// Trigger "long" hold
if ((millis() - downTime1) >= longHoldTime) {
if (not 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 (not 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 (not holdEventPast2) {
event = 3;
waitForUp2 = true;
ignoreUp2 = true;
DConUp2 = false;
DCwaiting2 = false;
//downTime2 = millis();
holdEventPast2 = true;
}
// Trigger "long" hold
if ((millis() - downTime2) >= longHoldTime) {
if (not 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();
// Send some clock pulses to the Eeprom in case it locked up
if ((mode == mode_N64_Cart) && ((saveType == 5) || (saveType == 6))) {
pulseClock_N64(1);
}
// 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 char* 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.drawPixel(0, 8 * choice + 12, 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++;
}
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.drawPixel(0, 8 * choice + 12, 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.drawPixel(0, 8 * choice + 12, 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.drawPixel(0, 8 * choice + 12, 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.drawPixel(0, 8 * choice + 12, 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
rgb.setColor(0, 0, 0);
return choice;
}
/******************************************
Filebrowser Module
*****************************************/
void fileBrowser(const char browserTitle[]) {
char fileNames[30][26];
int currFile;
filebrowse = 1;
// Empty filePath string
filePath[0] = '\0';
// Temporary char array for filename
char nameStr[26];
browserstart:
// Set currFile back to 0
currFile = 0;
currPage = 1;
lastPage = 1;
// Read in File as long as there are files
while (myFile.openNext(sd.vwd(), O_READ)) {
// Get name of file
myFile.getName(nameStr, 27);
// Ignore if hidden
if (myFile.isHidden()) {
}
// Indicate a directory.
else if (myFile.isDir()) {
// Copy full dirname into fileNames
sprintf(fileNames[currFile], "%s%s", "/", nameStr);
// Truncate to 19 letters for LCD
nameStr[19] = '\0';
// Copy short string into fileOptions
sprintf(fileOptions[currFile], "%s%s", "/", nameStr);
currFile++;
}
// It's just a file
else if (myFile.isFile()) {
// Copy full filename into fileNames
sprintf(fileNames[currFile], "%s", nameStr);
// Truncate to 19 letters for LCD
nameStr[19] = '\0';
// Copy short string into fileOptions
sprintf(fileOptions[currFile], "%s", nameStr);
currFile++;
}
myFile.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
sprintf( answers[i], "%s", fileOptions[ ((currPage - 1) * 7 + i)] );
}
// Create menu with title "Filebrowser" 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) {
// Empty filePath string
filePath[0] = '\0';
// Rewind filesystem
//sd.vwd()->rewind();
// Change working dir to root
sd.chdir("/");
// Start again
root = 0;
goto browserstart;
}
// wait for user choice to come back from the question box menu
switch (answer)
{
case 0:
strcpy(fileName, fileNames[0 + ((currPage - 1) * 7)]);
break;
case 1:
strcpy(fileName, fileNames[1 + ((currPage - 1) * 7)]);
break;
case 2:
strcpy(fileName, fileNames[2 + ((currPage - 1) * 7)]);
break;
case 3:
strcpy(fileName, fileNames[3 + ((currPage - 1) * 7)]);
break;
case 4:
strcpy(fileName, fileNames[4 + ((currPage - 1) * 7)]);
break;
case 5:
strcpy(fileName, fileNames[5 + ((currPage - 1) * 7)]);
break;
case 6:
strcpy(fileName, fileNames[6 + ((currPage - 1) * 7)]);
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() {
if (mode == mode_N64_Controller) {
n64ControllerMenu();
}
else if (mode == mode_N64_Cart) {
n64CartMenu();
}
else if (mode == mode_SNES) {
snesMenu();
}
else if (mode == mode_FLASH8) {
flashromMenu8();
}
else if (mode == mode_FLASH16) {
flashromMenu16();
}
else if (mode == mode_SFM) {
sfmMenu();
}
else if (mode == mode_GB) {
gbMenu();
}
else if (mode == mode_GBA) {
gbaMenu();
}
else if (mode == mode_SFM_Flash) {
sfmFlashMenu();
}
else if (mode == mode_SFM_Game) {
sfmGameOptions();
}
else if (mode == mode_GBM) {
gbmMenu();
}
else if (mode == mode_MD) {
mdMenu();
}
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();
asm volatile (" jmp 0");
}
}
//******************************************
// End of File
//******************************************
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