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c97c3ac855
cartreader/Cart_Reader/Cart_Reader.ino
sanni c97c3ac855 V19A: Minor bugfixes
2016-09-14 00:47:43 +02:00

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/**********************************************************************************
Cartridge Reader for Arduino Mega2560
Author: sanni
Date: 2016-09-14
Version: V19A
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 1.6.11
Thanks to:
MichlK - ROM-Reader for Super Nintendo
Jeff Saltzman - 4-Way Button
Wayne and Layne - Video-Game-Shield menu
skaman - SNES enhancements and SA1 sram support
nocash - Nintendo Power 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
lukeskaff - Nintendo DS GBA slot timing
**********************************************************************************/
char ver[5] = "V19A";
/******************************************
Define Output
******************************************/
// If you don't have an OLED screen change
// enable_OLED to 0 and enable_Serial to 1
#define enable_OLED 1
#define enable_Serial 0
/******************************************
Define Input
******************************************/
// If you have two buttons on your cart reader you can remove the //
//#define enable_Button2
/******************************************
Pinout
******************************************/
// Please see included pinout.xls
/******************************************
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>
#include <SdFatUtil.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_NP 3
#define mode_NPFlash 4
#define mode_NPGame 5
#define mode_GB 6
#define mode_FLASH8 7
#define mode_FLASH16 8
#define mode_GBA 9
/******************************************
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];
// File browser
char fileName[26];
char filePath[36];
byte currPage;
byte lastPage;
byte numPages;
boolean root = 0;
boolean filebrowse = 0;
char fileOptions[30][20];
// Common
char romName[10];
int sramSize = 0;
int romType = 0;
int romSize = 0;
byte numBanks = 128;
char checksumStr[5];
bool errorLvl = 0;
byte romVersion = 0;
char cartID[5];
unsigned long cartSize;
// 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[24];
// Array that holds the data
byte sdBuffer[512];
//******************************************
// Bitmaps
//******************************************
// Logo
static const unsigned char PROGMEM icon [] = {
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};
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
};
/******************************************
Menu
*****************************************/
// All menus and menu entries are stored in progmem to save on sram
// Main menu
const char modeItem1[] PROGMEM = "Nintendo 64";
const char modeItem2[] PROGMEM = "Super Nintendo";
const char modeItem3[] PROGMEM = "Nintendo Power";
const char modeItem4[] PROGMEM = "Game Boy";
const char modeItem5[] PROGMEM = "Flashrom Programmer";
const char modeItem6[] PROGMEM = "About";
const char* const modeOptions[] PROGMEM = {modeItem1, modeItem2, modeItem3, modeItem4, modeItem5, modeItem6};
// N64 Submenu
const char n64MenuItem1[] PROGMEM = "Cart Slot";
const char n64MenuItem2[] PROGMEM = "Controller";
const char* const menuOptionsN64[] PROGMEM = {n64MenuItem1, n64MenuItem2};
// Flash Submenu
const char flashMenuItem1[] PROGMEM = "8bit slot";
const char flashMenuItem2[] PROGMEM = "16bit slot";
const char* const menuOptionsFlash[] PROGMEM = {flashMenuItem1, flashMenuItem2};
// GBx Submenu
const char gbxMenuItem1[] PROGMEM = "Game Boy Color";
const char gbxMenuItem2[] PROGMEM = "Game Boy Advance";
const char* const menuOptionsGBx[] PROGMEM = {gbxMenuItem1, gbxMenuItem2};
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:
// create menu with title and 2 options to choose from
unsigned char n64Dev;
// Copy menuOptions out of progmem
convertPgm(menuOptionsN64, 2);
n64Dev = question_box("Select N64 device", menuOptions, 2, 0);
// wait for user choice to come back from the question box menu
switch (n64Dev)
{
case 0:
display_Clear();
display_Update();
setup_N64_Cart();
mode = mode_N64_Cart;
break;
case 1:
display_Clear();
display_Update();
setup_N64_Controller();
mode = mode_N64_Controller;
break;
}
break;
case 1:
display_Clear();
display_Update();
setup_Snes();
mode = mode_SNES;
break;
case 2:
display_Clear();
display_Update();
setup_NP();
mode = mode_NP;
break;
case 3:
// create menu with title and 2 options to choose from
unsigned char gbType;
// Copy menuOptions out of progmem
convertPgm(menuOptionsGBx, 2);
gbType = question_box("Select Game Boy", menuOptions, 2, 0);
// wait for user choice to come back from the question box menu
switch (gbType)
{
case 0:
display_Clear();
display_Update();
setup_GB();
mode = mode_GB;
break;
case 1:
display_Clear();
display_Update();
setup_GBA();
mode = mode_GBA;
break;
}
break;
case 4:
// create menu with title and 2 options to choose from
unsigned char flashSlot;
// Copy menuOptions out of progmem
convertPgm(menuOptionsFlash, 2);
flashSlot = question_box("Select flashrom slot", menuOptions, 2, 0);
// wait for user choice to come back from the question box menu
switch (flashSlot)
{
case 0:
display_Clear();
display_Update();
setup_Flash8();
mode = mode_FLASH8;
break;
case 1:
display_Clear();
display_Update();
setup_Flash16();
mode = mode_FLASH16;
break;
}
break;
case 5:
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("2016 "));
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(0, 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));
}
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);
// Read current folder number out of eeprom
EEPROM_readAnything(0, 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("2016 sanni"));
Serial.println("");
// Print available RAM
Serial.print(F("Free Ram: "));
Serial.print(FreeRam());
Serial.println(F("Bytes"));
}
// Init SD card
if (!sd.begin(chipSelectPin, SPI_FULL_SPEED)) {
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()));
}
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
*****************************************/
// 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) {
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
asm volatile (" jmp 0");
}
}
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();
}
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;
Serial.println("");
}
byte questionBox_Serial(const char* question, char answers[7][20], int num_answers, int default_choice) {
// Print menu to serial monitor
Serial.print(question);
Serial.println(F(" Menu"));
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.print(F("Please enter a single number: _ "));
while (Serial.available() == 0) {
}
// Read the incoming byte:
incomingByte = Serial.read() - 48;
// 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);
else
errorLvl = 0;
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) {
pulseClock_N64(1);
}
// if the cart readers input button is pressed shortly
if (b == 1) {
break;
}
// if the cart readers input button is pressed long
if (b == 3) {
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;
}
// 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_NP) {
npMenu();
}
else if (mode == mode_GB) {
gbMenu();
}
else if (mode == mode_GBA) {
gbaMenu();
}
else if (mode == mode_NPFlash) {
NPFlashMenu();
}
else if (mode == mode_NPGame) {
NPGameOptions();
}
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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