From 2aa75f02b57d945509c5f2bdc72ad1f1d88ed432 Mon Sep 17 00:00:00 2001
From: sanni <sanni@users.noreply.github.com>
Date: Mon, 15 Aug 2016 15:12:36 +0200
Subject: [PATCH] V17E: Added +500ns delay per byte on SNES reads
That's an added delay of 0.5 seconds per read Megabyte.
---
Cart_Reader/Cart_Reader.ino | 53 ++++---------------------------------
Cart_Reader/SNS.ino | 25 +++++++++++------
2 files changed, 22 insertions(+), 56 deletions(-)
diff --git a/Cart_Reader/Cart_Reader.ino b/Cart_Reader/Cart_Reader.ino
index 805263e..683795a 100644
--- a/Cart_Reader/Cart_Reader.ino
+++ b/Cart_Reader/Cart_Reader.ino
@@ -2,15 +2,15 @@
Nintendo Cart Reader for Arduino Mega2560
Author: sanni
- Date: 2016-07-31
- Version: V17D
+ Date: 2016-08-15
+ Version: V17E
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 1.6.9
+ Compiled with Arduino 1.6.10
Thanks to:
MichlK - ROM-Reader for Super Nintendo
@@ -31,7 +31,7 @@
Pickle - SDD1 fix
**********************************************************************************/
-char ver[5] = "V17D";
+char ver[5] = "V17E";
/******************************************
Choose Output
@@ -635,15 +635,6 @@ unsigned char question_box(const char* question, char answers[7][20], int num_an
}
}
-void fileBrowser(const char browserTitle[]) {
- if (enable_OLED) {
- fileBrowser_OLED(browserTitle);
- }
- if (enable_Serial) {
- fileBrowser_Serial(browserTitle);
- }
-}
-
/******************************************
Serial Out
*****************************************/
@@ -678,40 +669,6 @@ byte questionBox_Serial(const char* question, char answers[7][20], int num_answe
return incomingByte;
}
-// Prompt a filename from the Serial Monitor
-void fileBrowser_Serial(const char browserTitle[]) {
- Serial.println(browserTitle);
- // Print all files in root of SD
- Serial.println(F("Name - Size"));
- // Rewind filesystem and reset filepath
- sd.vwd()->rewind();
- filePath[0] = '\0';
-
- while (myFile.openNext(sd.vwd(), O_READ)) {
- if (myFile.isHidden()) {
- }
- else {
- if (myFile.isDir()) {
- // Indicate a directory.
- Serial.write('/');
- }
- myFile.printName(&Serial);
- Serial.write(' ');
- myFile.printFileSize(&Serial);
- Serial.println();
- }
- myFile.close();
- }
- Serial.println("");
- Serial.print(F("Please enter a filename in 8.3 format: _"));
- while (Serial.available() == 0) {
- }
- String strBuffer;
- strBuffer = Serial.readString();
- strBuffer.toCharArray(fileName, 13);
- Serial.println(fileName);
-}
-
/******************************************
RGB LED
*****************************************/
@@ -958,7 +915,7 @@ unsigned char questionBox_OLED(const char* question, char answers[7][20], int nu
/******************************************
Filebrowser Module
*****************************************/
-void fileBrowser_OLED(const char browserTitle[]) {
+void fileBrowser(const char browserTitle[]) {
char fileNames[30][26];
int currFile;
filebrowse = 1;
diff --git a/Cart_Reader/SNS.ino b/Cart_Reader/SNS.ino
index 07f10d3..619b101 100644
--- a/Cart_Reader/SNS.ino
+++ b/Cart_Reader/SNS.ino
@@ -310,8 +310,8 @@ byte readBank_SNES(byte myBank, word myAddress) {
PORTF = myAddress & 0xFF;
PORTK = (myAddress >> 8) & 0xFF;
- // Arduino running at 16Mhz -> one nop = 62.5ns
- __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
+ // Arduino running at 16Mhz -> one nop = 62.5ns -> 1000ns total
+ __asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
// Read
byte tempByte = PINC;
@@ -429,6 +429,10 @@ void getCartInfo_SNES() {
wait();
}
+ else if (enable_Serial) {
+ println_Msg(F(" "));
+ }
+
// Start manual config
if (manualConfig == 1) {
confMenu();
@@ -965,6 +969,16 @@ void readSRAM () {
sd.mkdir(folder, true);
sd.chdir(folder);
+ // Signal end of process
+ print_Msg(F("Reading to SAVE/"));
+ print_Msg(romName);
+ print_Msg(F("/"));
+ print_Msg(foldern);
+ print_Msg(F("/"));
+ print_Msg(fileName);
+ print_Msg(F("..."));
+ display_Update();
+
// write new folder number back to eeprom
foldern = foldern + 1;
EEPROM_writeAnything(0, foldern);
@@ -1012,12 +1026,7 @@ void readSRAM () {
myFile.close();
// Signal end of process
- print_Msg(F("Saved to SAVE/"));
- print_Msg(romName);
- print_Msg(F("/"));
- print_Msg(foldern - 1);
- print_Msg(F("/"));
- println_Msg(fileName);
+ println_Msg(F("Done"));
display_Update();
}