Add Playstation (psx) input
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@ -209,6 +209,42 @@ extends = micro, in-genesis, out-usbradio
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src_filter = ${in-genesis.src_filter} ${out-usbradio.src_filter}
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build_flags = ${in-genesis.build_flags} ${out-usbradio.build_flags} -DGAMEPAD_COUNT=1
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# psx input
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[in-psx]
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src_filter = -<*> +<Playstation.cpp>
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build_flags = ${common.build_flags} -DGAMEPAD_INPUT=3 -DGAMEPAD_COUNT=4
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[env:esp32-psx-bt]
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extends = esp32, in-psx, out-bt
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src_filter = ${in-psx.src_filter} ${out-bt.src_filter}
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build_flags = ${in-psx.build_flags} ${out-bt.build_flags}
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[env:esp32-psx-debug]
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extends = esp32, in-psx, out-debug
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src_filter = ${in-psx.src_filter} ${out-debug.src_filter}
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build_flags = ${in-psx.build_flags} ${out-debug.build_flags}
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[env:micro-psx-usb]
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extends = micro, in-psx, out-usb
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src_filter = ${in-psx.src_filter} ${out-usb.src_filter}
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build_flags = ${in-psx.build_flags} ${out-usb.build_flags}
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[env:micro-psx-debug]
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extends = micro, in-psx, out-debug
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src_filter = ${in-psx.src_filter} ${out-debug.src_filter}
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build_flags = ${in-psx.build_flags} ${out-debug.build_flags}
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[env:micro-psx-radio]
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extends = micro, in-psx, out-radio
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src_filter = ${in-psx.src_filter} ${out-radio.src_filter}
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build_flags = ${in-psx.build_flags} ${out-radio.build_flags}
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[env:micro-psx-usbradio]
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extends = micro, in-psx, out-usbradio
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src_filter = ${in-psx.src_filter} ${out-usbradio.src_filter}
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build_flags = ${in-psx.build_flags} ${out-usbradio.build_flags}
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# debug input
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[in-debug]
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@ -0,0 +1,326 @@
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#include "Arduino.h"
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/*
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LOOKING AT THE PLUG
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-------------------------------
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PIN 1->| o o o | o o o | o o o |
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\_____________________________/
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PIN # USAGE
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DATA
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CMD/COMMAND
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N/C (9 Volts unused)
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GND
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VCC
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ATT
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CLK/CLOCK
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N/C
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ACK
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*/
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#define DATA1 2
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#define CMD1 3
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#define ATT1 4
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#define CLK1 5
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#ifndef GAMEPAD_COUNT
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#define GAMEPAD_COUNT 4
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#endif
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// not counting dpad
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#define BUTTON_COUNT 12
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#define JOYSTICK_STATE_SIZE 6
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//#define DEBUG
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#include "gamepad/Gamepad.h"
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GAMEPAD_CLASS gamepad;
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enum
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{
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// in data[1]
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// in digital mode, right joysticks are these 4 buttons too
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PS_BTN_O = 8192,
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PS_BTN_X = 16384,
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PS_BTN_SQUARE = 32768,
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PS_BTN_TRIANGLE = 4096,
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// shoulder
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PS_BTN_R1 = 2048,
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PS_BTN_R2 = 512,
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PS_BTN_L1 = 1024,
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PS_BTN_L2 = 256,
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// in data[2]
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PS_BTN_START = 8,
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PS_BTN_SELECT = 1,
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// in digital mode, left joysticks are the d-pad
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PS_BTN_UP = 16,
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PS_BTN_DOWN = 64,
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PS_BTN_LEFT = 128,
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PS_BTN_RIGHT = 32,
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PS_BTN_R3 = 4,
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PS_BTN_L3 = 2,
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};
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// pressing one of these buttons on the controller... (read below)
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static const uint16_t translateFromButton[BUTTON_COUNT] = {
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PS_BTN_O,
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PS_BTN_X,
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PS_BTN_SQUARE,
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PS_BTN_TRIANGLE,
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PS_BTN_R1,
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PS_BTN_R2,
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PS_BTN_L1,
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PS_BTN_L2,
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PS_BTN_START,
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PS_BTN_SELECT,
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PS_BTN_R3,
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PS_BTN_L3,
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};
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// ... translates to one of these buttons over HID
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static const uint32_t translateToHid[BUTTON_COUNT] = {
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BUTTON_A,
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BUTTON_B,
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BUTTON_Y,
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BUTTON_X,
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BUTTON_R1,
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BUTTON_R2,
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BUTTON_L1,
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BUTTON_L2,
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BUTTON_START,
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BUTTON_SELECT,
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BUTTON_R3,
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BUTTON_L3,
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};
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class Joystick_ {
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private:
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uint8_t olddata[JOYSTICK_STATE_SIZE];
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public:
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uint8_t type;
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uint8_t data[JOYSTICK_STATE_SIZE];
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Joystick_() {
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data[0] = 0;
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data[1] = 0;
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data[2] = 127;
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data[3] = 127;
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data[4] = 127;
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data[5] = 127;
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memcpy(olddata, data, JOYSTICK_STATE_SIZE);
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}
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bool down(int button) const {
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return *(uint16_t*)(data)&button;
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}
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void updateState(uint8_t c) {
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if (type != 0x73 && type != 0x53) {
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data[2] = 127;
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data[3] = 127;
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data[4] = 127;
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data[5] = 127;
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}
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if (type == 0x41 || type == 0x73 || type == 0x53) {
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if (memcmp(olddata, data, JOYSTICK_STATE_SIZE)) {
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memcpy(olddata, data, JOYSTICK_STATE_SIZE);
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sendState(c);
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}
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}
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}
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signed char getHat() {
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if (down(PS_BTN_DOWN)) {
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if (down(PS_BTN_RIGHT)) {
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return DPAD_DOWN_RIGHT;
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} else if (down(PS_BTN_LEFT)) {
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return DPAD_DOWN_LEFT;
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} else {
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return DPAD_DOWN;
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}
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} else if (down(PS_BTN_UP)) {
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if (down(PS_BTN_RIGHT)) {
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return DPAD_UP_RIGHT;
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} else if (down(PS_BTN_LEFT)) {
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return DPAD_UP_LEFT;
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} else {
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return DPAD_UP;
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}
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} else if (down(PS_BTN_RIGHT)) {
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return DPAD_RIGHT;
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} else if (down(PS_BTN_LEFT)) {
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return DPAD_LEFT;
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} else {
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return DPAD_CENTERED;
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}
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}
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int16_t translateAxis(uint8_t v) {
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//map(value, fromLow, fromHigh, toLow, toHigh)
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return v == 128 ? 0 : map(v, 0, 255, -32767, 32767);
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}
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void sendState(uint8_t c) {
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#ifdef DEBUG
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uint16_t mask = 1;
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Serial.print(c);
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Serial.print(": type: 0x");
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Serial.print(type, HEX);
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Serial.print(" hex: 0x");
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Serial.print(data[0], HEX);
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Serial.print(" 0x");
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Serial.print(data[1], HEX);
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Serial.print(" 0x");
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Serial.print(data[2], HEX);
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Serial.print(" 0x");
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Serial.print(data[3], HEX);
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Serial.print(" 0x");
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Serial.print(data[4], HEX);
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Serial.print(" 0x");
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Serial.print(data[5], HEX);
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Serial.print(" dec: ");
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Serial.print(data[0]);
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Serial.print(" ");
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Serial.print(data[1]);
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Serial.print(" ");
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Serial.print(data[2]);
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Serial.print(" ");
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Serial.print(data[3]);
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Serial.print(" ");
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Serial.print(data[4]);
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Serial.print(" ");
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Serial.print(data[5]);
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Serial.println();
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for (uint8_t _i = 0; _i <= 32; _i++) {
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if (down(mask)) {
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Serial.print("db: ");
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Serial.println(mask);
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}
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mask *= 2;
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}
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Serial.flush();
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#endif
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//gamepad.buttons(i, *(uint16_t*)(&data[0]));
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//gamepad.setHatSync(i, DPAD_CENTERED);
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gamepad.buttons(c, 0);
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// if start and select are held at the same time, send menu and only menu
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if (down(PS_BTN_START) && down(PS_BTN_SELECT)) {
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gamepad.press(c, BUTTON_MENU);
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} else {
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// actually send buttons held
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for (uint8_t btn = 0; btn < BUTTON_COUNT; btn++) {
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if (down(translateFromButton[btn])) {
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gamepad.press(c, translateToHid[btn]);
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}
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}
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}
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gamepad.setAxis(c, translateAxis(data[4]), translateAxis(data[5]), translateAxis(data[2]), translateAxis(data[3]), 0, 0, getHat());
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}
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};
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Joystick_ Joystick[GAMEPAD_COUNT];
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uint8_t shift(uint8_t _dataOut) // Does the actual shifting, both in and out simultaneously
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{
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uint8_t _temp = 0;
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uint8_t _dataIn = 0;
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uint8_t _delay = 6; //2 unstable; //clock 250kHz
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delayMicroseconds(100); //max acknowledge waiting time 100us
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for (uint8_t _i = 0; _i <= 7; _i++) {
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if (_dataOut & (1 << _i)) // write bit
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digitalWrite(CMD1, HIGH);
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else
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digitalWrite(CMD1, LOW);
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digitalWrite(CLK1, LOW); // read bit
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delayMicroseconds(_delay);
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_temp = digitalRead(DATA1);
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if (_temp) {
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_dataIn = _dataIn | (B00000001 << _i);
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}
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digitalWrite(CLK1, HIGH);
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delayMicroseconds(_delay);
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}
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return _dataIn;
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}
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void setup() {
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#ifdef DEBUG
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Serial.begin(115200);
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#endif
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gamepad.begin();
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pinMode(DATA1, INPUT_PULLUP);
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pinMode(CMD1, OUTPUT);
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pinMode(ATT1, OUTPUT);
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pinMode(CLK1, OUTPUT);
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}
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void loop() {
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// http://problemkaputt.de/psx-spx.htm#controllerandmemorycardsignals
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uint8_t head, padding, multitap;
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// first: read gamepad normally
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digitalWrite(ATT1, LOW);
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//digitalWrite(ATT2, LOW);
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head = shift(0x01);
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Joystick[0].type = shift(0x42);
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padding = shift(0x01); //read multitap in next command
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Joystick[0].data[0] = ~shift(0x00); //buttons
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Joystick[0].data[1] = ~shift(0x00); //buttons
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Joystick[0].data[2] = shift(0x00); //right analog
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Joystick[0].data[3] = shift(0x00); //right analog
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Joystick[0].data[4] = shift(0x00); //left analog
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Joystick[0].data[5] = shift(0x00); //left analog
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digitalWrite(ATT1, HIGH);
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//digitalWrite(ATT2, HIGH);
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//delay(100);
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// second: check and read multitap
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digitalWrite(ATT1, LOW);
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head = shift(0x01);
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multitap = shift(0x42);
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padding = shift(0x00); //next time normal read
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if (multitap == 0x80) {
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for (uint8_t i = 0; i < GAMEPAD_COUNT; i++) {
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Joystick[i].type = shift(0x00);
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padding = shift(0x00);
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Joystick[i].data[0] = ~shift(0x00); //buttons
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Joystick[i].data[1] = ~shift(0x00); //buttons
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Joystick[i].data[2] = shift(0x00); //right analog
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Joystick[i].data[3] = shift(0x00); //right analog
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Joystick[i].data[4] = shift(0x00); //left analog
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Joystick[i].data[5] = shift(0x00); //left analog
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}
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}
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digitalWrite(ATT1, HIGH);
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#ifdef DEBUGE
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Serial.print(" multitap: ");
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Serial.println(multitap, HEX);
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#endif
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for (uint8_t i = 0; i < GAMEPAD_COUNT; i++) {
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Joystick[i].updateState(i);
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}
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delayMicroseconds(1000);
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}
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@ -14,14 +14,20 @@
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#define BUTTON_Y 16
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#define BUTTON_TL 64
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#define BUTTON_L 64
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#define BUTTON_L1 64
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#define BUTTON_TR 128
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#define BUTTON_R 128
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#define BUTTON_R1 128
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#define BUTTON_TL2 256
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#define BUTTON_L2 256
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#define BUTTON_TR2 512
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#define BUTTON_R2 512
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#define BUTTON_SELECT 1024
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#define BUTTON_START 2048
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#define BUTTON_THUMBL 8192
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#define BUTTON_L3 8192
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#define BUTTON_THUMBR 16384
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#define BUTTON_R3 16384
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#define BUTTON_1 1
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#define BUTTON_2 2
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