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N64.ino
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//******************************************
// NINTENDO 64 MODULE
//******************************************
#include "options.h"
#ifdef enable_N64
#include "snes_clk.h"
// Include Cart_Reader.ino to allow for calling istablished functions
#ifdef RTC_installed
#include "RTC.h"
#endif
/******************************************
Defines
*****************************************/
// These two macros toggle the eepDataPin/ControllerDataPin between input and output
// External 1K pull-up resistor from eepDataPin to VCC required
// 0x10 = 00010000 -> Port H Pin 4
#define N64_HIGH DDRH &= ~0x10
#define N64_LOW DDRH |= 0x10
// Read the current state(0/1) of the eepDataPin
#define N64_QUERY (PINH & 0x10)
/******************************************
Variables
*****************************************/
// Received N64 Eeprom data bits, 1 page
bool tempBits[65];
int eepPages;
// N64 Controller
// 256 bits of received Controller data
char N64_raw_dump[257];
// Array that holds one Controller Pak block of 32 bytes
byte myBlock[33];
String rawStr = ""; // above char array read into a string
struct {
char stick_x;
char stick_y;
}
N64_status;
//stings that hold the buttons
String button = "N/A";
String lastbutton = "N/A";
// Rom base address
unsigned long romBase = 0x10000000;
// Flashram type
byte flashramType = 1;
boolean MN63F81MPN = false;
//ControllerTest
bool quit = 1;
/******************************************
Menu
*****************************************/
// N64 start menu
static const char n64MenuItem1[] PROGMEM = "Game Cartridge";
static const char n64MenuItem2[] PROGMEM = "Controller";
static const char n64MenuItem3[] PROGMEM = "Flash Repro";
static const char n64MenuItem4[] PROGMEM = "Flash Gameshark";
static const char n64MenuItem5[] PROGMEM = "Reset";
static const char* const menuOptionsN64[] PROGMEM = {n64MenuItem1, n64MenuItem2, n64MenuItem3, n64MenuItem4, n64MenuItem5};
// N64 controller menu items
static const char N64ContMenuItem1[] PROGMEM = "Test Controller";
static const char N64ContMenuItem2[] PROGMEM = "Read ControllerPak";
static const char N64ContMenuItem3[] PROGMEM = "Write ControllerPak";
static const char N64ContMenuItem4[] PROGMEM = "Reset";
static const char* const menuOptionsN64Controller[] PROGMEM = {N64ContMenuItem1, N64ContMenuItem2, N64ContMenuItem3, N64ContMenuItem4};
// N64 cart menu items
static const char N64CartMenuItem1[] PROGMEM = "Read Rom";
static const char N64CartMenuItem2[] PROGMEM = "Read Save";
static const char N64CartMenuItem3[] PROGMEM = "Write Save";
static const char N64CartMenuItem4[] PROGMEM = "Force Savetype";
static const char N64CartMenuItem5[] PROGMEM = "Reset";
static const char* const menuOptionsN64Cart[] PROGMEM = {N64CartMenuItem1, N64CartMenuItem2, N64CartMenuItem3, N64CartMenuItem4, N64CartMenuItem5};
// N64 CRC32 error menu items
static const char N64CRCMenuItem1[] PROGMEM = "No";
static const char N64CRCMenuItem2[] PROGMEM = "Yes and keep old";
static const char N64CRCMenuItem3[] PROGMEM = "Yes and delete old";
static const char N64CRCMenuItem4[] PROGMEM = "Reset";
static const char* const menuOptionsN64CRC[] PROGMEM = {N64CRCMenuItem1, N64CRCMenuItem2, N64CRCMenuItem3, N64CRCMenuItem4};
// Rom menu
static const char N64RomItem1[] PROGMEM = "4MB";
static const char N64RomItem2[] PROGMEM = "8MB";
static const char N64RomItem3[] PROGMEM = "12MB";
static const char N64RomItem4[] PROGMEM = "16MB";
static const char N64RomItem5[] PROGMEM = "32MB";
static const char N64RomItem6[] PROGMEM = "64MB";
static const char* const romOptionsN64[] PROGMEM = {N64RomItem1, N64RomItem2, N64RomItem3, N64RomItem4, N64RomItem5, N64RomItem6};
// Save menu
static const char N64SaveItem1[] PROGMEM = "None";
static const char N64SaveItem2[] PROGMEM = "4K EEPROM";
static const char N64SaveItem3[] PROGMEM = "16K EEPROM";
static const char N64SaveItem4[] PROGMEM = "SRAM";
static const char N64SaveItem5[] PROGMEM = "FLASHRAM";
static const char* const saveOptionsN64[] PROGMEM = {N64SaveItem1, N64SaveItem2, N64SaveItem3, N64SaveItem4, N64SaveItem5};
// Repro write buffer menu
static const char N64BufferItem1[] PROGMEM = "no buffer";
static const char N64BufferItem2[] PROGMEM = "32 Byte";
static const char N64BufferItem3[] PROGMEM = "64 Byte";
static const char N64BufferItem4[] PROGMEM = "128 Byte";
static const char* const bufferOptionsN64[] PROGMEM = {N64BufferItem1, N64BufferItem2, N64BufferItem3, N64BufferItem4};
// Repro sector size menu
static const char N64SectorItem1[] PROGMEM = "8 KByte";
static const char N64SectorItem2[] PROGMEM = "32 KByte";
static const char N64SectorItem3[] PROGMEM = "64 KByte";
static const char N64SectorItem4[] PROGMEM = "128 KByte";
static const char* const sectorOptionsN64[] PROGMEM = {N64SectorItem1, N64SectorItem2, N64SectorItem3, N64SectorItem4};
// N64 start menu
void n64Menu() {
// create menu with title and 5 options to choose from
unsigned char n64Dev;
// Copy menuOptions out of progmem
convertPgm(menuOptionsN64, 5);
n64Dev = question_box(F("Select N64 device"), menuOptions, 5, 0);
// wait for user choice to come back from the question box menu
switch (n64Dev)
{
case 0:
display_Clear();
display_Update();
setup_N64_Cart();
printCartInfo_N64();
mode = mode_N64_Cart;
break;
case 1:
display_Clear();
display_Update();
setup_N64_Controller();
mode = mode_N64_Controller;
break;
case 2:
display_Clear();
display_Update();
setup_N64_Cart();
flashRepro_N64();
printCartInfo_N64();
mode = mode_N64_Cart;
break;
case 3:
display_Clear();
display_Update();
setup_N64_Cart();
flashGameshark_N64();
printCartInfo_N64();
mode = mode_N64_Cart;
break;
case 4:
resetArduino();
break;
}
}
// N64 Controller Menu
void n64ControllerMenu() {
// create menu with title and 4 options to choose from
unsigned char mainMenu;
// Copy menuOptions out of progmem
convertPgm(menuOptionsN64Controller, 4);
mainMenu = question_box(F("N64 Controller"), menuOptions, 4, 0);
// wait for user choice to come back from the question box menu
switch (mainMenu)
{
case 0:
display_Clear();
display_Update();
#if defined(enable_OLED)
controllerTest_OLED();
#elif defined(enable_LCD)
controllerTest_LCD();
#elif defined(enable_serial)
controllerTest_Serial();
#endif
quit = 1;
break;
case 1:
display_Clear();
display_Update();
readMPK();
println_Msg(F(""));
println_Msg(F("Press Button."));
display_Update();
wait();
break;
case 2:
display_Clear();
display_Update();
// Change to root
filePath[0] = '\0';
sd.chdir("/");
// Launch file browser
fileBrowser(F("Select mpk file"));
display_Clear();
display_Update();
writeMPK();
verifyMPK();
println_Msg(F(""));
println_Msg(F("Press Button."));
display_Update();
wait();
break;
case 3:
resetArduino();
break;
}
}
// N64 Cartridge Menu
void n64CartMenu() {
// create menu with title and 4 options to choose from
unsigned char mainMenu;
// Copy menuOptions out of progmem
convertPgm(menuOptionsN64Cart, 5);
mainMenu = question_box(F("N64 Cart Reader"), menuOptions, 5, 0);
// wait for user choice to come back from the question box menu
switch (mainMenu)
{
case 0:
sd.chdir("/");
readRom_N64();
break;
case 1:
sd.chdir("/");
display_Clear();
if (saveType == 1) {
println_Msg(F("Reading Sram..."));
display_Update();
readSram(32768, 1);
}
else if (saveType == 4) {
getFramType();
println_Msg(F("Reading Flashram..."));
display_Update();
readFram(flashramType);
}
else if ((saveType == 5) || (saveType == 6)) {
println_Msg(F("Reading Eep..."));
display_Update();
#ifdef clockgen_installed
readEeprom();
#else
readEeprom_CLK();
#endif
}
else {
print_Error(F("Savetype Error"), false);
}
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
break;
case 2:
filePath[0] = '\0';
sd.chdir("/");
if (saveType == 1) {
// Launch file browser
fileBrowser(F("Select sra file"));
display_Clear();
writeSram(32768);
writeErrors = verifySram(32768, 1);
if (writeErrors == 0) {
println_Msg(F("Sram verified OK"));
display_Update();
}
else {
print_Msg(F("Error: "));
print_Msg(writeErrors);
println_Msg(F(" bytes "));
print_Error(F("did not verify."), false);
}
}
else if (saveType == 4) {
// Launch file browser
fileBrowser(F("Select fla file"));
display_Clear();
getFramType();
writeFram(flashramType);
print_Msg(F("Verifying..."));
display_Update();
writeErrors = verifyFram(flashramType);
if (writeErrors == 0) {
println_Msg(F("OK"));
display_Update();
}
else {
println_Msg("");
print_Msg(F("Error: "));
print_Msg(writeErrors);
println_Msg(F(" bytes "));
print_Error(F("did not verify."), false);
}
}
else if ((saveType == 5) || (saveType == 6)) {
// Launch file browser
fileBrowser(F("Select eep file"));
display_Clear();
#ifdef clockgen_installed
writeEeprom();
writeErrors = verifyEeprom();
#else
writeEeprom_CLK();
writeErrors = verifyEeprom_CLK();
#endif
if (writeErrors == 0) {
println_Msg(F("Eeprom verified OK"));
display_Update();
}
else {
print_Msg(F("Error: "));
print_Msg(writeErrors);
println_Msg(F(" bytes "));
print_Error(F("did not verify."), false);
}
}
else {
display_Clear();
print_Error(F("Savetype Error"), false);
}
println_Msg(F("Press Button..."));
display_Update();
wait();
break;
case 3:
// create submenu with title and 6 options to choose from
unsigned char N64SaveMenu;
// Copy menuOptions out of progmem
convertPgm(saveOptionsN64, 5);
N64SaveMenu = question_box(F("Select save type"), menuOptions, 5, 0);
// wait for user choice to come back from the question box menu
switch (N64SaveMenu)
{
case 0:
// None
saveType = 0;
break;
case 1:
// 4K EEPROM
saveType = 5;
eepPages = 64;
break;
case 2:
// 16K EEPROM
saveType = 6;
eepPages = 256;
break;
case 3:
// SRAM
saveType = 1;
break;
case 4:
// FLASHRAM
saveType = 4;
break;
}
break;
case 4:
resetArduino();
break;
}
}
/******************************************
Setup
*****************************************/
void setup_N64_Controller() {
// Output a low signal
PORTH &= ~(1 << 4);
// Set Controller Data Pin(PH4) to Input
DDRH &= ~(1 << 4);
}
void setup_N64_Cart() {
// Set Address Pins to Output and set them low
//A0-A7
DDRF = 0xFF;
PORTF = 0x00;
//A8-A15
DDRK = 0xFF;
PORTK = 0x00;
// Set Control Pins to Output RESET(PH0) WR(PH5) RD(PH6) aleL(PC0) aleH(PC1)
DDRH |= (1 << 0) | (1 << 5) | (1 << 6);
DDRC |= (1 << 0) | (1 << 1);
// Pull RESET(PH0) low until we are ready
PORTH &= ~(1 << 0);
// Output a high signal on WR(PH5) RD(PH6), pins are active low therefore everything is disabled now
PORTH |= (1 << 5) | (1 << 6);
// Pull aleL(PC0) low and aleH(PC1) high
PORTC &= ~(1 << 0);
PORTC |= (1 << 1);
#ifdef clockgen_installed
// Adafruit Clock Generator
#ifdef clockgen_calibration
int32_t clock_offset = readClockOffset();
if (clock_offset > INT32_MIN) {
i2c_found = clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, clock_offset);
} else {
i2c_found = clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
}
#else
// last number is the clock correction factor which is custom for each clock generator
i2c_found = clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
#endif
if (!i2c_found) {
display_Clear();
print_Error(F("Clock Generator not found"), true);
}
// Set Eeprom clock to 2Mhz
clockgen.set_freq(200000000ULL, SI5351_CLK1);
// Start outputting Eeprom clock
clockgen.output_enable(SI5351_CLK1, 1); // Eeprom clock
#else
// Set Eeprom Clock Pin(PH1) to Output
DDRH |= (1 << 1);
// Output a high signal
PORTH |= (1 << 1);
#endif
// Set Eeprom Data Pin(PH4) to Input
DDRH &= ~(1 << 4);
// Activate Internal Pullup Resistors
//PORTH |= (1 << 4);
// Set sram base address
sramBase = 0x08000000;
#ifdef clockgen_installed
// Wait for clock generator
clockgen.update_status();
#endif
// Wait until all is stable
delay(300);
// Pull RESET(PH0) high to start eeprom
PORTH |= (1 << 0);
}
/******************************************
Low level functions
*****************************************/
// Switch Cartridge address/data pins to write
void adOut_N64() {
//A0-A7
DDRF = 0xFF;
PORTF = 0x00;
//A8-A15
DDRK = 0xFF;
PORTK = 0x00;
}
// Switch Cartridge address/data pins to read
void adIn_N64() {
//A0-A7
DDRF = 0x00;
//A8-A15
DDRK = 0x00;
//Enable internal pull-up resistors
//PORTF = 0xFF;
//PORTK = 0xFF;
}
// Set Cartridge address
void setAddress_N64(unsigned long myAddress) {
// Set address pins to output
adOut_N64();
// Split address into two words
word myAdrLowOut = myAddress & 0xFFFF;
word myAdrHighOut = myAddress >> 16;
// Switch WR(PH5) RD(PH6) ale_L(PC0) ale_H(PC1) to high (since the pins are active low)
PORTH |= (1 << 5) | (1 << 6);
PORTC |= (1 << 1);
__asm__("nop\n\t");
PORTC |= (1 << 0);
// Output high part to address pins
PORTF = myAdrHighOut & 0xFF;
PORTK = (myAdrHighOut >> 8) & 0xFF;
// Leave ale_H high for additional 62.5ns
__asm__("nop\n\t");
// Pull ale_H(PC1) low
PORTC &= ~(1 << 1);
// Output low part to address pins
PORTF = myAdrLowOut & 0xFF;
PORTK = (myAdrLowOut >> 8) & 0xFF;
// Leave ale_L high for ~125ns
__asm__("nop\n\t""nop\n\t");
// Pull ale_L(PC0) low
PORTC &= ~(1 << 0);
// Wait ~600ns just to be sure address is set
__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");
// Set data pins to input
adIn_N64();
}
// Read one word out of the cartridge
word readWord_N64() {
// Pull read(PH6) low
PORTH &= ~(1 << 6);
// Wait ~310ns
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
// Join bytes from PINF and PINK into a word
word tempWord = ( ( PINK & 0xFF ) << 8 ) | ( PINF & 0xFF );
// Pull read(PH6) high
PORTH |= (1 << 6);
// Wait 62.5ns
__asm__("nop\n\t");
return tempWord;
}
// Write one word to data pins of the cartridge
void writeWord_N64(word myWord) {
// Set address pins to output
adOut_N64();
// Output word to AD0-AD15
PORTF = myWord & 0xFF;
PORTK = (myWord >> 8) & 0xFF;
// Wait ~62.5ns
__asm__("nop\n\t");
// Pull write(PH5) low
PORTH &= ~(1 << 5);
// Wait ~310ns
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
// Pull write(PH5) high
PORTH |= (1 << 5);
// Wait ~125ns
__asm__("nop\n\t""nop\n\t");
// Set data pins to input
adIn_N64();
}
/******************************************
N64 Controller CRC Functions
*****************************************/
static word addrCRC(word address) {
// CRC table
word xor_table[16] = { 0x0, 0x0, 0x0, 0x0, 0x0, 0x15, 0x1F, 0x0B, 0x16, 0x19, 0x07, 0x0E, 0x1C, 0x0D, 0x1A, 0x01 };
word crc = 0;
// Make sure we have a valid address
address &= ~0x1F;
// Go through each bit in the address, and if set, xor the right value into the output
for (int i = 15; i >= 5; i--) {
// Is this bit set?
if ( ((address >> i) & 0x1)) {
crc ^= xor_table[i];
}
}
// Just in case
crc &= 0x1F;
// Create a new address with the CRC appended
return address | crc;
}
// unused
//static byte dataCRC(byte * data) {
// byte ret = 0;
// for (byte i = 0; i <= 32; i++) {
// for (byte j = 7; j >= 0; j--) {
// int tmp = 0;
// if (ret & 0x80) {
// tmp = 0x85;
// }
// ret <<= 1;
// if ( i < 32 ) {
// if (data[i] & (0x01 << j)) {
// ret |= 0x1;
// }
// }
// ret ^= tmp;
// }
// }
// return ret;
//}
/******************************************
N64 Controller Protocol Functions
*****************************************/
void N64_send(unsigned char *buffer, char length) {
// Send these bytes
char bits;
// This routine is very carefully timed by examining the assembly output.
// Do not change any statements, it could throw the timings off
//
// We get 16 cycles per microsecond, which should be plenty, but we need to
// be conservative. Most assembly ops take 1 cycle, but a few take 2
//
// I use manually constructed for-loops out of gotos so I have more control
// over the outputted assembly. I can insert nops where it was impossible
// with a for loop
asm volatile (";Starting outer for loop");
outer_loop:
{
asm volatile (";Starting inner for loop");
bits = 8;
inner_loop:
{
// Starting a bit, set the line low
asm volatile (";Setting line to low");
N64_LOW; // 1 op, 2 cycles
asm volatile (";branching");
if (*buffer >> 7) {
asm volatile (";Bit is a 1");
// 1 bit
// remain low for 1us, then go high for 3us
// nop block 1
asm volatile ("nop\nnop\nnop\nnop\nnop\n");
asm volatile (";Setting line to high");
N64_HIGH;
// nop block 2
// we'll wait only 2us to sync up with both conditions
// at the bottom of the if statement
asm volatile ("nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
);
}
else {
asm volatile (";Bit is a 0");
// 0 bit
// remain low for 3us, then go high for 1us
// nop block 3
asm volatile ("nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\n");
asm volatile (";Setting line to high");
N64_HIGH;
// wait for 1us
asm volatile ("; end of conditional branch, need to wait 1us more before next bit");
}
// end of the if, the line is high and needs to remain
// high for exactly 16 more cycles, regardless of the previous
// branch path
asm volatile (";finishing inner loop body");
--bits;
if (bits != 0) {
// nop block 4
// this block is why a for loop was impossible
asm volatile ("nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\n");
// rotate bits
asm volatile (";rotating out bits");
*buffer <<= 1;
goto inner_loop;
} // fall out of inner loop
}
asm volatile (";continuing outer loop");
// In this case: the inner loop exits and the outer loop iterates,
// there are /exactly/ 16 cycles taken up by the necessary operations.
// So no nops are needed here (that was lucky!)
--length;
if (length != 0) {
++buffer;
goto outer_loop;
} // fall out of outer loop
}
}
void N64_stop() {
// send a single stop (1) bit
// nop block 5
asm volatile ("nop\nnop\nnop\nnop\n");
N64_LOW;
// wait 1 us, 16 cycles, then raise the line
// 16-2=14
// nop block 6
asm volatile ("nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\n");
N64_HIGH;
}
void N64_get(word bitcount) {
// listen for the expected bitcount/8 bytes of data back from the controller and
// blast it out to the N64_raw_dump array, one bit per byte for extra speed.
asm volatile (";Starting to listen");
unsigned char timeout;
char *bitbin = N64_raw_dump;
// Again, using gotos here to make the assembly more predictable and
// optimization easier (please don't kill me)
read_loop:
timeout = 0x3f;
// wait for line to go low
while (N64_QUERY) {
if (!--timeout)
return;
}
// wait approx 2us and poll the line
asm volatile (
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
"nop\nnop\nnop\nnop\nnop\n"
);
*bitbin = N64_QUERY;
++bitbin;
--bitcount;
if (bitcount == 0)
return;
// wait for line to go high again
// it may already be high, so this should just drop through
timeout = 0x3f;
while (!N64_QUERY) {
if (!--timeout)
return;
}
goto read_loop;
}
/******************************************
N64 Controller Functions
*****************************************/
void get_button()
{
// Command to send to the gamecube
// The last bit is rumble, flip it to rumble
// yes this does need to be inside the loop, the
// array gets mutilated when it goes through N64_send
unsigned char command[] = {
0x01
};
// don't want interrupts getting in the way
noInterrupts();
// send those 3 bytes
N64_send(command, 1);
N64_stop();
// read in 32bits of data and dump it to N64_raw_dump
N64_get(32);
// end of time sensitive code
interrupts();
// The get_N64_status function sloppily dumps its data 1 bit per byte
// into the get_status_extended char array. It's our job to go through
// that and put each piece neatly into the struct N64_status
int i;
memset(&N64_status, 0, sizeof(N64_status));
// bits: joystick x value
// These are 8 bit values centered at 0x80 (128)
for (i = 0; i < 8; i++) {
N64_status.stick_x |= N64_raw_dump[16 + i] ? (0x80 >> i) : 0;
}
for (i = 0; i < 8; i++) {
N64_status.stick_y |= N64_raw_dump[24 + i] ? (0x80 >> i) : 0;
}
// read char array N64_raw_dump into string rawStr
rawStr = "";
for (i = 0; i < 16; i++) {
rawStr = rawStr + String(N64_raw_dump[i], DEC);
}
// Buttons (A,B,Z,S,DU,DD,DL,DR,0,0,L,R,CU,CD,CL,CR)
if (rawStr.substring(0, 16) == "0000000000000000") {
lastbutton = button;
button = F("Press a button");
}
else
{
for (int i = 0; i < 16; i++)
{
// seems to be 16, 8 or 4 depending on what pin is used
if (N64_raw_dump[i] == 16)
{
switch (i)
{
case 7:
button = F("D-Right");
break;
case 6:
button = F("D-Left");
break;
case 5:
button = F("D-Down");
break;
case 4:
button = F("D-Up");
break;
case 3:
button = F("START");
break;
case 2:
button = F("Z");
break;
case 1:
button = F("B");
break;
case 0:
button = F("A");
break;
case 15:
button = F("C-Right");
break;
case 14:
button = F("C-Left");
break;
case 13:
button = F("C-Down");
break;
case 12:
button = F("C-Up");
break;
case 11:
button = F("R");
break;
case 10:
button = F("L");
break;
}
}
}
}
}
/******************************************
N64 Controller Test
*****************************************/
#ifdef enable_serial
void controllerTest_Serial() {
while (quit) {
// Get Button and analog stick
get_button();
// Print Button
String buttonc = String("Button: " + String(button) + " ");
Serial.print(buttonc);
// Print Stick X Value
String stickx = String("X: " + String(N64_status.stick_x, DEC) + " ");
Serial.print(stickx);
// Print Stick Y Value
String sticky = String(" Y: " + String(N64_status.stick_y, DEC) + " ");
Serial.println(sticky);
if (button == "Press a button" && lastbutton == "Z") {
// Quit
Serial.println("");
quit = 0;
}
}
}
#endif
#ifdef enable_LCD
#define CENTER 64
// on which screens do we start
int startscreen = 1;
int test = 1;
void printSTR(String st, int x, int y)
{
char buf[st.length() + 1];
if (x == CENTER) {
x = 64 - (((st.length() - 5) / 2) * 4);
}
st.toCharArray(buf, st.length() + 1);
display.drawStr(x, y, buf);
}
void nextscreen()
{
if (button == "Press a button" && lastbutton == "START")
{
// reset button
lastbutton = "N/A";
display.clearDisplay();
if (startscreen != 4)
startscreen = startscreen + 1;
else
{
startscreen = 1;
test = 1;
}
}
else if (button == "Press a button" && lastbutton == "Z" && startscreen == 4)
{
// Quit
quit = 0;
}
}
void controllerTest_LCD() {
int mode = 0;
//name of the current displayed result
String anastick = "";
// Graph
int xax = 24; // midpoint x
int yax = 24; // midpoint y
int zax = 24; // size
// variables to display test data of different sticks
int upx = 0;
int upy = 0;
int uprightx = 0;
int uprighty = 0;