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pad.c
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pad.c
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//---------------------------------------------------------------------------
// File name: pad.c
//---------------------------------------------------------------------------
#include "launchelf.h"
static char padBuf_t[2][256] __attribute__((aligned(64)));
struct padButtonStatus buttons_t[2];
u32 padtype_t[2];
u32 paddata, paddata_t[2];
u32 old_pad = 0, old_pad_t[2] = {0, 0};
u32 new_pad, new_pad_t[2];
u32 joy_value = 0;
static int test_joy = 0;
//---------------------------------------------------------------------------
// read PAD, without KB, and allow no auto-repeat. This is needed in code
// that is used regardless of VSync cycles, and where KB is not wanted.
//---------------------------------------------------------------------------
int readpad_noKBnoRepeat(void)
{
int port, ret[2];
for (port = 0; port < 2; port++) {
int state;
if ((state = padGetState(port, 0)) == PAD_STATE_STABLE || (state == PAD_STATE_FINDCTP1)) {
// Deal with cases where pad state is valid for padRead
ret[port] = padRead(port, 0, &buttons_t[port]);
if (ret[port] != 0) {
paddata_t[port] = 0xffff ^ buttons_t[port].btns;
new_pad_t[port] = paddata_t[port] & ~old_pad_t[port];
old_pad_t[port] = paddata_t[port];
}
} else {
// Deal with cases where pad state is not valid for padRead
new_pad_t[port] = 0;
} // ends 'if' testing for state valid for padRead
} // ends for
new_pad = new_pad_t[0] | new_pad_t[1]; // This has only new button bits
paddata = paddata_t[0] | paddata_t[1]; // This has all pressed button bits
return (ret[0] | ret[1]);
}
//------------------------------
// endfunc readpad_noKBnoRepeat
//---------------------------------------------------------------------------
// read PAD, but ignore KB. This is needed in code with own KB handlers,
// such as the virtual keyboard input routines for 'Rename' and 'New Dir'
//---------------------------------------------------------------------------
int readpad_no_KB(void)
{
static u64 rpt_time[2] = {0, 0};
static int rpt_count[2];
int port, ret[2];
for (port = 0; port < 2; port++) {
int state;
if ((state = padGetState(port, 0)) == PAD_STATE_STABLE || (state == PAD_STATE_FINDCTP1)) {
// Deal with cases where pad state is valid for padRead
ret[port] = padRead(port, 0, &buttons_t[port]);
if (ret[port] != 0) {
paddata_t[port] = 0xffff ^ buttons_t[port].btns;
if ((padtype_t[port] == 2) && (1 & (test_joy++))) { // DualShock && time for joy scan
joy_value = 0;
if (buttons_t[port].rjoy_h >= 0xbf) {
paddata_t[port] = PAD_R3_H1;
joy_value = buttons_t[port].rjoy_h - 0xbf;
} else if (buttons_t[port].rjoy_h <= 0x40) {
paddata_t[port] = PAD_R3_H0;
joy_value = -(buttons_t[port].rjoy_h - 0x40);
} else if (buttons_t[port].rjoy_v <= 0x40) {
paddata_t[port] = PAD_R3_V0;
joy_value = -(buttons_t[port].rjoy_v - 0x40);
} else if (buttons_t[port].rjoy_v >= 0xbf) {
paddata_t[port] = PAD_R3_V1;
joy_value = buttons_t[port].rjoy_v - 0xbf;
} else if (buttons_t[port].ljoy_h >= 0xbf) {
paddata_t[port] = PAD_L3_H1;
joy_value = buttons_t[port].ljoy_h - 0xbf;
} else if (buttons_t[port].ljoy_h <= 0x40) {
paddata_t[port] = PAD_L3_H0;
joy_value = -(buttons_t[port].ljoy_h - 0x40);
} else if (buttons_t[port].ljoy_v <= 0x40) {
paddata_t[port] = PAD_L3_V0;
joy_value = -(buttons_t[port].ljoy_v - 0x40);
} else if (buttons_t[port].ljoy_v >= 0xbf) {
paddata_t[port] = PAD_L3_V1;
joy_value = buttons_t[port].ljoy_v - 0xbf;
}
}
new_pad_t[port] = paddata_t[port] & ~old_pad_t[port];
if (old_pad_t[port] == paddata_t[port]) {
// no change of pad data
if (Timer() > rpt_time[port]) {
new_pad_t[port] = paddata_t[port]; // Accept repeated buttons as new
rpt_time[port] = Timer() + 40; // Min delay = 40ms => 25Hz repeat
if (rpt_count[port]++ < 20)
rpt_time[port] += 43; // Early delays = 83ms => 12Hz repeat
}
} else {
// pad data has changed !
rpt_count[port] = 0;
rpt_time[port] = Timer() + 400; // Init delay = 400ms
old_pad_t[port] = paddata_t[port];
}
}
} else {
// Deal with cases where pad state is not valid for padRead
// NB: This should NOT clear KB repeat test variables
new_pad_t[port] = 0;
// old_pad_t[port]=0; //Clearing this could cause hasty repeats
} // ends 'if' testing for state valid for padRead
} // ends for
new_pad = new_pad_t[0] | new_pad_t[1];
paddata = paddata_t[0] | paddata_t[1]; // This has all pressed button bits
return (ret[0] | ret[1]);
}
//------------------------------
// endfunc readpad_no_KB
//---------------------------------------------------------------------------
// simPadKB attempts reading data from a USB keyboard, and map this as a
// virtual gamepad. (Very improvised and sloppy, but it should work fine.)
//---------------------------------------------------------------------------
int simPadKB(void)
{
int ret, command;
char KeyPress;
if ((!setting->usbkbd_used) || (!PS2KbdRead(&KeyPress)))
return 0;
if (KeyPress != PS2KBD_ESCAPE_KEY)
command = KeyPress;
else {
PS2KbdRead(&KeyPress);
command = 0x100 + KeyPress;
}
ret = 1; // Assume that the entered key is a valid command
switch (command) {
case 0x11B: // Escape == Triangle
new_pad = PAD_TRIANGLE;
break;
case 0x00A: // Enter == OK
if (!swapKeys)
new_pad = PAD_CIRCLE;
else
new_pad = PAD_CROSS;
break;
case 0x020: // Space == Cancel/Mark
if (!swapKeys)
new_pad = PAD_CROSS;
else
new_pad = PAD_CIRCLE;
break;
case 0x031: //'1' == L1
new_pad = PAD_L1;
break;
case 0x032: //'2' == L2
new_pad = PAD_L2;
break;
case 0x033: //'3' == L3
new_pad = PAD_L3;
break;
case 0x077: //'w' == Up
new_pad = PAD_UP;
break;
case 0x061: //'a' == Left
new_pad = PAD_LEFT;
break;
case 0x073: //'s' == Right
new_pad = PAD_RIGHT;
break;
case 0x07A: //'z' == Down
new_pad = PAD_DOWN;
break;
case 0x030: //'0' == R1
new_pad = PAD_R1;
break;
case 0x039: //'9' == R2
new_pad = PAD_R2;
break;
case 0x038: //'8' == R3
new_pad = PAD_R3;
break;
case 0x069: //'i' == Triangle
new_pad = PAD_TRIANGLE;
break;
case 0x06A: //'j' == Square
new_pad = PAD_SQUARE;
break;
case 0x06B: //'k' == Circle
new_pad = PAD_CIRCLE;
break;
case 0x06D: //'m' == Cross
new_pad = PAD_CROSS;
break;
case 0x101: // F1 == L1
new_pad = PAD_L1;
break;
case 0x102: // F2 == L2
new_pad = PAD_L2;
break;
case 0x103: // F3 == L3
new_pad = PAD_L3;
break;
case 0x12C: // Up == Up
new_pad = PAD_UP;
break;
case 0x12A: // Left == Left
new_pad = PAD_LEFT;
break;
case 0x129: // Right == Right
new_pad = PAD_RIGHT;
break;
case 0x12B: // Down == Down
new_pad = PAD_DOWN;
break;
case 0x123: // Insert == Select
new_pad = PAD_SELECT;
break;
case 0x10C: // F12 == R1
new_pad = PAD_R1;
break;
case 0x10B: // F11 == R2
new_pad = PAD_R2;
break;
case 0x10A: // F10 == R3
new_pad = PAD_R3;
break;
case 0x124: // Home == Triangle
new_pad = PAD_TRIANGLE;
break;
case 0x127: // End == Square
new_pad = PAD_SQUARE;
break;
case 0x125: // PgUp == Circle
new_pad = PAD_CIRCLE;
break;
case 0x128: // PgDn == Cross
new_pad = PAD_CROSS;
break;
case 0x126: // Delete == Start
new_pad = PAD_START;
break;
default: // Unrecognized key => no pad button
ret = 0;
break;
}
return ret;
}
//------------------------------
// endfunc simPadKB
//---------------------------------------------------------------------------
// readpad will call readpad_no_KB, and if no new pad buttons are found, it
// will also attempt reading data from a USB keyboard, and map this as a
// virtual gamepad. (Very improvised and sloppy, but it should work fine.)
//---------------------------------------------------------------------------
int readpad(void)
{
int ret;
if ((ret = readpad_no_KB()) && new_pad)
return ret;
return simPadKB();
}
//------------------------------
// endfunc readpad
//---------------------------------------------------------------------------
// readpad_noRepeat calls readpad_noKBnoRepeat, and if no new pad buttons are
// found, it also attempts reading data from a USB keyboard, and map this as
// a virtual gamepad. (Very improvised and sloppy, but it should work fine.)
//---------------------------------------------------------------------------
int readpad_noRepeat(void)
{
int ret;
if ((ret = readpad_noKBnoRepeat()) && new_pad)
return ret;
return simPadKB();
}
//------------------------------
// endfunc readpad_noRepeat
//---------------------------------------------------------------------------
// Wait for specific PAD, but also accept disconnected state
void waitPadReady(int port, int slot)
{
int state, lastState;
char stateString[16];
state = padGetState(port, slot);
lastState = -1;
while ((state != PAD_STATE_DISCONN) && (state != PAD_STATE_STABLE) && (state != PAD_STATE_FINDCTP1)) {
if (state != lastState)
padStateInt2String(state, stateString);
lastState = state;
state = padGetState(port, slot);
}
}
//---------------------------------------------------------------------------
// Wait for any PAD, but also accept disconnected states
void waitAnyPadReady(void)
{
int state_1, state_2;
state_1 = padGetState(0, 0);
state_2 = padGetState(1, 0);
while ((state_1 != PAD_STATE_DISCONN) && (state_2 != PAD_STATE_DISCONN) && (state_1 != PAD_STATE_STABLE) && (state_2 != PAD_STATE_STABLE) && (state_1 != PAD_STATE_FINDCTP1) && (state_2 != PAD_STATE_FINDCTP1)) {
state_1 = padGetState(0, 0);
state_2 = padGetState(1, 0);
}
}
//---------------------------------------------------------------------------
// setup PAD
int setupPad(void)
{
int i, port, modes;
padInit(0);
for (port = 0; port < 2; port++) {
int state;
padtype_t[port] = 0; // Assume that we don't have a proper PS2 controller
if (padPortOpen(port, 0, &padBuf_t[port][0]) == 0)
return 0;
waitPadReady(port, 0);
state = padGetState(port, 0);
if (state != PAD_STATE_DISCONN) { // if anything connected to this port
modes = padInfoMode(port, 0, PAD_MODETABLE, -1);
if (modes != 0) { // modes != 0, so it may be a dualshock type
for (i = 0; i < modes; i++) {
if (padInfoMode(port, 0, PAD_MODETABLE, i) == PAD_TYPE_DUALSHOCK) {
padtype_t[port] = 2; // flag normal PS2 controller
break;
}
} // ends for (modes)
} else { // modes == 0, so this is a digital controller
padtype_t[port] = 1; // flag digital controller
}
if (padtype_t[port] == 2) // if DualShock
padSetMainMode(port, 0, PAD_MMODE_DUALSHOCK, PAD_MMODE_LOCK); // Set DualShock
else // else
padSetMainMode(port, 0, PAD_MMODE_DIGITAL, PAD_MMODE_UNLOCK); // Set Digital
waitPadReady(port, 0); // Await completion
} else { // Nothing is connected to this port
padSetMainMode(port, 0, PAD_MMODE_DUALSHOCK, PAD_MMODE_LOCK); // Fake DualShock
waitPadReady(port, 0); // Await completion
}
} // ends for (port)
return 1;
}
//---------------------------------------------------------------------------
// End of file: pad.c
//---------------------------------------------------------------------------