progress_bar: Included the progress bar in the N64 and SNES modules; some OLED formatting; reverting the Arduino reset to basically jmp 0 again (due to issues with some Mega2560 bootloaders probably, my module would sometimes just hang)

Cart_Reader/Cart_Reader.ino

@@ -232,6 +232,13 @@ 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;
+
+/* Hoping that sanni will use this progressbar function */
+void draw_progressbar(uint32_t processedsize, uint32_t totalsize);
+
 //******************************************
 // Bitmaps
 //******************************************
@@ -408,9 +415,45 @@ void aboutScreen() {
   }
 }
 
-void resetArduino() {
+void draw_progressbar(uint32_t processed, uint32_t total)
-  wdt_enable(WDTO_15MS);
+{
-  while (1);
+  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();
+  }
 }
 
 void mainMenu() {

Cart_Reader/N64.ino

@@ -2073,17 +2073,23 @@ readn64rom:
     print_Error(F("SD Error"), true);
   }
 
+  byte buffer[1024] = { 0 };
+
   // get current time
   unsigned long startTime = millis();
 
-  byte buffer[1024];
+  //Initialize progress bar
+  uint32_t processedProgressBar = 0;
+  uint32_t totalProgressBar = (uint32_t)(cartSize) * 1024 * 1024;
+  draw_progressbar(0, totalProgressBar);
 
-  // run combined dumper + crc32 routine for better performance, as N64 ROMs are quite large for an 8bit micro
+  // prepare crc32
-  // currently dumps + checksums a 32MB cart in 170 seconds (down from 347 seconds)
   uint32_t oldcrc32 = 0xFFFFFFFF;
   uint32_t tab_value = 0;
   uint8_t idx = 0;
 
+  // run combined dumper + crc32 routine for better performance, as N64 ROMs are quite large for an 8bit micro
+  // currently dumps + checksums a 32MB cart in 170 seconds (down from 347 seconds)
   for (unsigned long currByte = romBase; currByte < (romBase + (cartSize * 1024 * 1024)); currByte += 1024) {
     // Blink led
     if (currByte % 16384 == 0)
@@ -2108,10 +2114,10 @@ readn64rom:
       PORTH |= (1 << 6);
       
       // crc32 update
-      idx = ((oldcrc32) ^ (buffer[c])) & 0xff;
+      idx = ((oldcrc32) ^ (buffer[c]));
       tab_value = pgm_read_dword(crc_32_tab + idx);
       oldcrc32 = tab_value ^ ((oldcrc32) >> 8);
-      idx = ((oldcrc32) ^ (buffer[c + 1])) & 0xff;
+      idx = ((oldcrc32) ^ (buffer[c + 1]));
       tab_value = pgm_read_dword(crc_32_tab + idx);
       oldcrc32 = tab_value ^ ((oldcrc32) >> 8);
     }
@@ -2143,20 +2149,19 @@ readn64rom:
       oldcrc32 = tab_value ^ ((oldcrc32) >> 8);
     }
 
+    processedProgressBar += 1024;
+    draw_progressbar(processedProgressBar, totalProgressBar);
     // write out 1024 bytes to file
     myFile.write(buffer, 1024);
   }
+
   // Close the file:
   myFile.close();
 
-  // print elapsed time
+  unsigned long timeElapsed = (millis() - startTime) / 1000; // seconds
-  print_Msg(F("Time elapsed: "));
-  print_Msg((millis() - startTime) / 1000);
-  println_Msg(F("s"));
-  display_Update();
 
   if (n64crc) {
-    println_Msg(F("Checking CRC.."));
+    print_Msg(F("Check CRC: "));
     display_Update();
     // convert checksum to string
     char crcStr[9];
@@ -2217,7 +2222,10 @@ readn64rom:
     }
     display_Update();
   }
-  println_Msg(F("Done."));
+
+  print_Msg(F("Done ("));
+  print_Msg(timeElapsed); // include elapsed time
+  println_Msg(F("s)"));
   println_Msg(F(""));
   println_Msg(F("Press Button..."));
   display_Update();

Cart_Reader/PCE.ino

@@ -25,8 +25,6 @@
 /******************************************
    Prototype Declarations
  *****************************************/
-/* Hoping that sanni will use this progressbar function */
-void draw_progressbar(uint32_t processedsize, uint32_t totalsize);
 void pcsMenu(void);
 void pceMenu(void);
 
@@ -66,49 +64,6 @@ static const char pceTCMenuItem1[] PROGMEM = "Read Rom";
 static const char pceTCMenuItem2[] PROGMEM = "Reset";
 static const char* const menuOptionspceTC[] PROGMEM = {pceTCMenuItem1, pceTCMenuItem2};
 
-
-
-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();
-  }
-}
-
 // PCE start menu
 void pcsMenu(void) {
   // create menu with title and 3 options to choose from

Cart_Reader/SNES.ino

@@ -413,11 +413,16 @@ byte readBank_SNES(byte myBank, word myAddress) {
 
 void readLoRomBanks( unsigned int start, unsigned int total, SdFile *file)
 {
-  byte buffer[1024];
+  byte buffer[1024] = { 0 };
   
   uint16_t c = 0;
   uint16_t currByte = 32768;
-  
+
+  //Initialize progress bar
+  uint32_t processedProgressBar = 0;
+  uint32_t totalProgressBar = (uint32_t)(total - start) * 1024;
+  draw_progressbar(0, totalProgressBar);
+
   for (int currBank = start; currBank < total; currBank++) {
     PORTL = currBank;
     currByte = 32768;
@@ -442,16 +447,25 @@ void readLoRomBanks( unsigned int start, unsigned int total, SdFile *file)
       // exit while(1) loop once the uint16_t currByte overflows from 0xffff to 0 (current bank is done)
       if (currByte == 0) break;
     }
+
+    // update progress bar
+    processedProgressBar += 1024;
+    draw_progressbar(processedProgressBar, totalProgressBar);
   }
 }
 
 void readHiRomBanks( unsigned int start, unsigned int total, SdFile *file)
 {
-  byte buffer[1024];
+  byte buffer[1024] = { 0 };
   
   uint16_t c = 0;
   uint16_t currByte = 0;
   
+  //Initialize progress bar
+  uint32_t processedProgressBar = 0;
+  uint32_t totalProgressBar = (uint32_t)(total - start) * 1024;
+  draw_progressbar(0, totalProgressBar);
+
   for (int currBank = start; currBank < total; currBank++) {
     PORTL = currBank;
     currByte = 0;
@@ -476,6 +490,10 @@ void readHiRomBanks( unsigned int start, unsigned int total, SdFile *file)
       // exit while(1) loop once the uint16_t currByte overflows from 0xffff to 0 (current bank is done)
       if (currByte == 0) break;
     }
+
+    // update progress bar
+    processedProgressBar += 1024;
+    draw_progressbar(processedProgressBar, totalProgressBar);
   }
 }
 
@@ -956,16 +974,15 @@ boolean compare_checksum() {
   sprintf(calcsumStr, "%04X", calc_checksum(fileName, folder));
 
   if (strcmp(calcsumStr, checksumStr) == 0) {
-    print_Msg(F("Result: "));
+    print_Msg(F("Checksum OK: "));
     println_Msg(calcsumStr);
-    println_Msg(F("Checksum matches"));
     display_Update();
     return 1;
   }
   else {
-    print_Msg(F("Result: "));
+    print_Msg(F("Checksum Error: "));
     println_Msg(calcsumStr);
-    print_Error(F("Checksum Error"), false);
+    print_Error(F(""), false);
     display_Update();
     return 0;
   }
@@ -973,9 +990,6 @@ boolean compare_checksum() {
 
 // Read rom to SD card
 void readROM_SNES() {
-  // get current time
-  unsigned long startTime = millis();
-    
   // Set control
   dataIn();
   controlIn_SNES();
@@ -1006,6 +1020,9 @@ void readROM_SNES() {
     print_Error(F("Can't create file on SD"), true);
   }
 
+  // get current time
+  unsigned long startTime = millis();
+
   //Dump Derby Stallion '96 (Japan) Actual Size is 24Mb
   if ((romType == LO) && (numBanks == 128) && (strcmp("CC86", checksumStr) == 0)) {
     // Read Banks 0x00-0x3F for the 1st/2nd MB
@@ -1101,7 +1118,7 @@ void readROM_SNES() {
     display_Update();
 
     // 0xC00000-0xDFFFFF
-    print_Msg(F("Part 1"));
+    //print_Msg(F("Part 1"));
     display_Update();
     readHiRomBanks( 192, 224, &myFile );
 
@@ -1115,13 +1132,13 @@ void readROM_SNES() {
       controlIn_SNES();
 
       // 0xE00000-0xEFFFFF
-      print_Msg(F(" 2"));
+      //print_Msg(F(" 2"));
       display_Update();
       readHiRomBanks( 224, 240, &myFile );
 
       if (numBanks > 48) {
         // 0xF00000-0xFFFFFF
-        print_Msg(F(" 3"));
+        //print_Msg(F(" 3"));
         display_Update();
         readHiRomBanks( 240, 256, &myFile );
 
@@ -1135,11 +1152,12 @@ void readROM_SNES() {
         controlIn_SNES();
 
         // 0xF00000-0xFFFFFF
-        print_Msg(F(" 4"));
+        //print_Msg(F(" 4"));
         display_Update();
         readHiRomBanks( 240, 256, &myFile );
       }
-      println_Msg(F(""));
+      //println_Msg(F(""));
+      display_Clear();  // need more space due to the 4 progress bars
 
       // Return mapping registers to initial settings...
       dataOut();