heavily refactor sega genesis support and add esp32 support
This commit is contained in:
parent
b9d269c145
commit
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@ -18,9 +18,14 @@
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# for example esp32 can only do bt
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# micro can only do radio or usb
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# CODE_PLATFORM == 0: generic, should work on anything
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# CODE_PLATFORM == 1: optimized for esp32
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# CODE_PLATFORM == 2: optimized for micro
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[common]
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# change GAMEPAD_COUNT if you want
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build_flags = -DGAMEPAD_COUNT=2
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# dev: add -save-temps above for troubleshooting macros
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[env]
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monitor_speed = 115200
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@ -171,6 +176,16 @@ build_flags = ${in-n64.build_flags} ${out-usbradio.build_flags}
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src_filter = -<*> +<SegaGenesis.cpp>
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build_flags = ${common.build_flags} -DGAMEPAD_INPUT=4
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[env:esp32-genesis-bt]
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extends = esp32, in-genesis, out-bt
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src_filter = ${in-genesis.src_filter} ${out-bt.src_filter}
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build_flags = ${in-genesis.build_flags} ${out-bt.build_flags}
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[env:esp32-genesis-debug]
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extends = esp32, in-genesis, out-debug
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src_filter = ${in-genesis.src_filter} ${out-debug.src_filter}
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build_flags = ${in-genesis.build_flags} ${out-debug.build_flags}
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[env:micro-genesis-usb]
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extends = micro, in-genesis, out-usb
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src_filter = ${in-genesis.src_filter} ${out-usb.src_filter}
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@ -6,111 +6,118 @@
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#endif
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#define BUTTON_COUNT 9
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#define PIN_COUNT 6
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#include "gamepad/Gamepad.h"
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enum
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{
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// this is the button mapping, change as you wish
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SC_BTN_A = BUTTON_Y,
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SC_BTN_B = BUTTON_B,
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SC_BTN_C = BUTTON_A,
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SC_BTN_X = BUTTON_L,
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SC_BTN_Y = BUTTON_X,
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SC_BTN_Z = BUTTON_R,
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SC_BTN_START = BUTTON_START,
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SC_BTN_MODE = BUTTON_SELECT,
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SC_BTN_HOME = BUTTON_MENU,
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SC_BTN_UP = 1,
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SC_BTN_DOWN = 2,
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SC_BTN_LEFT = 4,
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SC_BTN_RIGHT = 8,
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SC_BTN_A = 16,
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SC_BTN_B = 32,
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SC_BTN_C = 64,
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SC_BTN_X = 128,
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SC_BTN_Y = 256,
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SC_BTN_Z = 512,
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SC_BTN_START = 1024,
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SC_BTN_MODE = 2048,
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SC_BTN_HOME = 4096,
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SC_BIT_SH_UP = 0,
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SC_BIT_SH_DOWN = 1,
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SC_BIT_SH_LEFT = 2,
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SC_BIT_SH_RIGHT = 3,
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SC_PIN1_BIT = 0,
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SC_PIN2_BIT = 1,
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SC_PIN3_BIT = 2,
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SC_PIN4_BIT = 3,
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SC_PIN6_BIT = 4,
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SC_PIN9_BIT = 5,
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DB9_PIN1_BIT1 = 7,
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DB9_PIN2_BIT1 = 6,
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DB9_PIN3_BIT1 = 5,
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DB9_PIN4_BIT1 = 4,
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DB9_PIN6_BIT1 = 3,
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DB9_PIN9_BIT1 = 1,
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DB9_PIN1_BIT2 = 3,
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DB9_PIN2_BIT2 = 2,
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DB9_PIN3_BIT2 = 1,
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DB9_PIN4_BIT2 = 0,
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DB9_PIN6_BIT2 = 4,
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DB9_PIN9_BIT2 = 7
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};
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//individual data pin for each controller
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static const int DATA_PIN[GAMEPAD_COUNT][6] = {
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{DB9_PIN1_BIT1, DB9_PIN2_BIT1, DB9_PIN3_BIT1, DB9_PIN4_BIT1, DB9_PIN6_BIT1, DB9_PIN9_BIT1},
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#if CODE_PLATFORM == 2
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#define OPT_PIN_READ1(X) (bitRead(reg1, DATA_PIN[c][X]))
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#define OPT_PIN_READ2(X) (bitRead(reg2, DATA_PIN[c][X]))
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//individual data pin BIT for each controller, they are read in bulk
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static const int DATA_PIN[GAMEPAD_COUNT][PIN_COUNT] = {
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{7, 6, 5, 4, 3, 1},
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#if GAMEPAD_COUNT > 1
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{DB9_PIN1_BIT2, DB9_PIN2_BIT2, DB9_PIN3_BIT2, DB9_PIN4_BIT2, DB9_PIN6_BIT2, DB9_PIN9_BIT2},
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{3, 2, 1, 0, 4, 7},
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#endif
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};
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// pressing one of these buttons on the controller... (read below)
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static const int translateFromButton[BUTTON_COUNT] = {
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SC_BTN_A,
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SC_BTN_B,
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SC_BTN_C,
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SC_BTN_X,
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SC_BTN_Y,
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SC_BTN_Z,
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SC_BTN_START,
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SC_BTN_MODE,
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SC_BTN_HOME,
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#else
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#define OPT_PIN_READ1(X) (digitalRead(DATA_PIN[c][X]))
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#define OPT_PIN_READ2(X) (digitalRead(DATA_PIN[c][X]))
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#if defined(ARDUINO_ARCH_ESP32)
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static const int DATA_PIN_SELECT[GAMEPAD_COUNT] = {
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5,
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#if GAMEPAD_COUNT > 1
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25,
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#endif
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};
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// ... translates to one of these buttons over HID
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static const int translateToHid[BUTTON_COUNT] = {
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BUTTON_Y,
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BUTTON_B,
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BUTTON_A,
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BUTTON_L,
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BUTTON_X,
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BUTTON_R,
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BUTTON_START,
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BUTTON_SELECT,
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BUTTON_MENU,
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//individual data pin for each controller
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static const int DATA_PIN[GAMEPAD_COUNT][PIN_COUNT] = {
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{15, 2, 4, 16, 17, 18},
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#if GAMEPAD_COUNT > 1
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{36, 39, 34, 35, 33, 27},
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#endif
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};
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#else // end esp32 pins, start generic pins
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static const int DATA_PIN_SELECT[GAMEPAD_COUNT] = {
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7,
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#if GAMEPAD_COUNT > 1
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5,
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#endif
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};
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//individual data pin for each controller
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static const int DATA_PIN[GAMEPAD_COUNT][PIN_COUNT] = {
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{18, 19, 20, 21, 14, 15},
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#if GAMEPAD_COUNT > 1
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{1, 0, 2, 3, 4, 6},
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#endif
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};
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#endif // esp32 vs generic pins
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#endif // CODE_PLATFORM
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const byte SC_CYCLE_DELAY = 10; // Delay (µs) between setting the select pin and reading the button pins
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class SegaControllers32U4 {
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public:
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SegaControllers32U4(void);
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void readState();
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byte currentDpadState[GAMEPAD_COUNT];
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word currentState[GAMEPAD_COUNT];
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// Controller previous states
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word lastState[GAMEPAD_COUNT];
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byte lastDpadState[GAMEPAD_COUNT];
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void poll(void (*controllerChanged)(const int controller)) {
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void poll(void (*controllerChanged)(const int c)) {
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readState();
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for (int c = 0; c < GAMEPAD_COUNT; c++) {
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if (currentState[c] != lastState[c]) {
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if (currentState[c] != lastState[c] || currentDpadState[c] != lastDpadState[c]) {
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controllerChanged(c);
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lastState[c] = currentState[c];
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lastDpadState[c] = currentDpadState[c];
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}
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}
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}
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bool down(int controller, int button) const {
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return currentState[controller] & button;
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return currentDpadState[controller] & button;
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}
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bool dpad(int controller, int button) const {
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return currentDpadState[controller] & button;
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}
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#ifdef DEBUG
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void printState(byte gp) {
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auto cs = currentState[gp];
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//Serial.println(cs);
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//Serial.print((cs & SC_CTL_ON) ? "+" : "-");
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Serial.print(_connected[gp] ? "+" : "-");
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Serial.print(_sixButtonMode[gp] ? "6" : "3");
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Serial.print((cs & SC_BTN_UP) ? "U" : "0");
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Serial.print((cs & SC_BTN_DOWN) ? "D" : "0");
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Serial.print((cs & SC_BTN_LEFT) ? "L" : "0");
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@ -129,7 +136,6 @@ class SegaControllers32U4 {
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#endif
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private:
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void readPort(byte c, byte reg1, byte reg2);
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boolean _pinSelect;
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byte _ignoreCycles[GAMEPAD_COUNT];
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@ -137,14 +143,20 @@ class SegaControllers32U4 {
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boolean _connected[GAMEPAD_COUNT];
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boolean _sixButtonMode[GAMEPAD_COUNT];
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#if CODE_PLATFORM == 2
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void readPort(byte c, byte reg1, byte reg2);
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byte _inputReg1;
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byte _inputReg2;
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#if GAMEPAD_COUNT > 1
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byte _inputReg3;
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#endif
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#endif // GAMEPAD_COUNT
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#else
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void readPort(byte c);
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#endif // CODE_PLATFORM
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};
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SegaControllers32U4::SegaControllers32U4(void) {
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#if CODE_PLATFORM == 2
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// Setup input pins (A0,A1,A2,A3,14,15 or PF7,PF6,PF5,PF4,PB3,PB1)
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DDRF &= ~B11110000; // input
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PORTF |= B11110000; // high to enable internal pull-up
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@ -158,17 +170,33 @@ SegaControllers32U4::SegaControllers32U4(void) {
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DDRE |= B01000000;
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PORTC |= B01000000; // Select pins high
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PORTE |= B01000000;
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#else
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for (int c = 0; c < GAMEPAD_COUNT; c++) {
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// Setup output pin
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pinMode(DATA_PIN_SELECT[c], OUTPUT);
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digitalWrite(DATA_PIN_SELECT[c], HIGH);
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// Setup input pins
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for (byte i = 0; i < PIN_COUNT; i++) {
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pinMode(DATA_PIN[c][i], INPUT_PULLUP);
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}
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}
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#endif
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_pinSelect = true;
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for (int c = 0; c < GAMEPAD_COUNT; c++) {
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currentState[c] = 0;
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lastState[c] = 0;
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currentDpadState[c] = 0;
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lastDpadState[c] = 0;
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_connected[c] = 0;
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_sixButtonMode[c] = false;
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_ignoreCycles[c] = 0;
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}
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}
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#if CODE_PLATFORM == 2
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void SegaControllers32U4::readState() {
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// Set the select pins low/high
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_pinSelect = !_pinSelect;
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@ -196,6 +224,31 @@ void SegaControllers32U4::readState() {
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#endif
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}
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#else
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void SegaControllers32U4::readState() {
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// Set the select pins low/high
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_pinSelect = !_pinSelect;
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if (!_pinSelect) {
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for (int c = 0; c < GAMEPAD_COUNT; c++) {
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digitalWrite(DATA_PIN_SELECT[c], LOW);
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}
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} else {
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for (int c = 0; c < GAMEPAD_COUNT; c++) {
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digitalWrite(DATA_PIN_SELECT[c], HIGH);
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}
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}
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// Short delay to stabilise outputs in controller
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delayMicroseconds(SC_CYCLE_DELAY);
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for (int c = 0; c < GAMEPAD_COUNT; c++) {
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readPort(c);
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}
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}
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#endif
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// "Normal" Six button controller reading routine, done a bit differently in this project
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// Cycle TH out TR in TL in D3 in D2 in D1 in D0 in
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// 0 LO Start A 0 0 Down Up
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@ -206,7 +259,13 @@ void SegaControllers32U4::readState() {
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// 5 HI C B Mode X Y Z (Read X,Y,Z and Mode in this cycle)
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// 6 LO --- --- --- --- --- Home (Home only for 8bitdo wireless gamepads)
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// 7 HI --- --- --- --- --- ---
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void SegaControllers32U4::readPort(byte c, byte reg1, byte reg2) {
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void SegaControllers32U4::readPort(byte c
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#if CODE_PLATFORM == 2
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,
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byte reg1,
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byte reg2
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#endif
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) {
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if (_ignoreCycles[c] <= 0) {
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if (_pinSelect) // Select pin is HIGH
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{
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@ -214,66 +273,66 @@ void SegaControllers32U4::readPort(byte c, byte reg1, byte reg2) {
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// Check if six button mode is active
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if (_sixButtonMode[c]) {
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// Read input pins for X, Y, Z, Mode
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(bitRead(reg1, DATA_PIN[c][0]) == LOW) ? currentState[c] |= SC_BTN_Z : currentState[c] &= ~SC_BTN_Z;
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(bitRead(reg1, DATA_PIN[c][1]) == LOW) ? currentState[c] |= SC_BTN_Y : currentState[c] &= ~SC_BTN_Y;
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(bitRead(reg1, DATA_PIN[c][2]) == LOW) ? currentState[c] |= SC_BTN_X : currentState[c] &= ~SC_BTN_X;
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(bitRead(reg1, DATA_PIN[c][3]) == LOW) ? currentState[c] |= SC_BTN_MODE : currentState[c] &= ~SC_BTN_MODE;
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(OPT_PIN_READ1(0) == LOW) ? currentState[c] |= SC_BTN_Z : currentState[c] &= ~SC_BTN_Z;
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(OPT_PIN_READ1(1) == LOW) ? currentState[c] |= SC_BTN_Y : currentState[c] &= ~SC_BTN_Y;
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(OPT_PIN_READ1(2) == LOW) ? currentState[c] |= SC_BTN_X : currentState[c] &= ~SC_BTN_X;
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(OPT_PIN_READ1(3) == LOW) ? currentState[c] |= SC_BTN_MODE : currentState[c] &= ~SC_BTN_MODE;
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_sixButtonMode[c] = false;
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_ignoreCycles[c] = 2; // Ignore the two next cycles (cycles 6 and 7 in table above)
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} else {
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// Read input pins for Up, Down, Left, Right, B, C
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(bitRead(reg1, DATA_PIN[c][0]) == LOW) ? currentState[c] |= SC_BTN_UP : currentState[c] &= ~SC_BTN_UP;
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(bitRead(reg1, DATA_PIN[c][1]) == LOW) ? currentState[c] |= SC_BTN_DOWN : currentState[c] &= ~SC_BTN_DOWN;
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(bitRead(reg1, DATA_PIN[c][2]) == LOW) ? currentState[c] |= SC_BTN_LEFT : currentState[c] &= ~SC_BTN_LEFT;
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(bitRead(reg1, DATA_PIN[c][3]) == LOW) ? currentState[c] |= SC_BTN_RIGHT : currentState[c] &= ~SC_BTN_RIGHT;
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(bitRead(reg2, DATA_PIN[c][4]) == LOW) ? currentState[c] |= SC_BTN_B : currentState[c] &= ~SC_BTN_B;
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(bitRead(reg2, DATA_PIN[c][5]) == LOW) ? currentState[c] |= SC_BTN_C : currentState[c] &= ~SC_BTN_C;
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(OPT_PIN_READ1(0) == LOW) ? currentDpadState[c] |= SC_BTN_UP : currentDpadState[c] &= ~SC_BTN_UP;
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(OPT_PIN_READ1(1) == LOW) ? currentDpadState[c] |= SC_BTN_DOWN : currentDpadState[c] &= ~SC_BTN_DOWN;
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(OPT_PIN_READ1(2) == LOW) ? currentDpadState[c] |= SC_BTN_LEFT : currentDpadState[c] &= ~SC_BTN_LEFT;
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(OPT_PIN_READ1(3) == LOW) ? currentDpadState[c] |= SC_BTN_RIGHT : currentDpadState[c] &= ~SC_BTN_RIGHT;
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(OPT_PIN_READ2(4) == LOW) ? currentState[c] |= SC_BTN_B : currentState[c] &= ~SC_BTN_B;
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(OPT_PIN_READ2(5) == LOW) ? currentState[c] |= SC_BTN_C : currentState[c] &= ~SC_BTN_C;
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}
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} else // No Mega Drive controller is connected, use SMS/Atari mode
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{
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// Clear current state
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currentState[c] = 0;
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currentState[c] = currentDpadState[c] = 0;
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// Read input pins for Up, Down, Left, Right, Fire1, Fire2
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if (bitRead(reg1, DATA_PIN[c][0]) == LOW) {
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currentState[c] |= SC_BTN_UP;
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if (OPT_PIN_READ1(0) == LOW) {
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currentDpadState[c] |= SC_BTN_UP;
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}
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if (bitRead(reg1, DATA_PIN[c][1]) == LOW) {
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currentState[c] |= SC_BTN_DOWN;
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if (OPT_PIN_READ1(1) == LOW) {
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currentDpadState[c] |= SC_BTN_DOWN;
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}
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if (bitRead(reg1, DATA_PIN[c][2]) == LOW) {
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currentState[c] |= SC_BTN_LEFT;
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if (OPT_PIN_READ1(2) == LOW) {
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currentDpadState[c] |= SC_BTN_LEFT;
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}
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if (bitRead(reg1, DATA_PIN[c][3]) == LOW) {
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currentState[c] |= SC_BTN_RIGHT;
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if (OPT_PIN_READ1(3) == LOW) {
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currentDpadState[c] |= SC_BTN_RIGHT;
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}
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if (bitRead(reg2, DATA_PIN[c][4]) == LOW) {
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if (OPT_PIN_READ2(4) == LOW) {
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currentState[c] |= SC_BTN_A;
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}
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if (bitRead(reg2, DATA_PIN[c][5]) == LOW) {
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if (OPT_PIN_READ2(5) == LOW) {
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currentState[c] |= SC_BTN_B;
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}
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}
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} else // Select pin is LOW
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{
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// Check if a controller is connected
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_connected[c] = (bitRead(reg1, DATA_PIN[c][2]) == LOW && bitRead(reg1, DATA_PIN[c][3]) == LOW);
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_connected[c] = OPT_PIN_READ1(2) == LOW && OPT_PIN_READ1(3) == LOW;
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// Check for six button mode
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_sixButtonMode[c] = (bitRead(reg1, DATA_PIN[c][0]) == LOW && bitRead(reg1, DATA_PIN[c][1]) == LOW);
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_sixButtonMode[c] = OPT_PIN_READ1(0) == LOW && OPT_PIN_READ1(1) == LOW;
|
||||
|
||||
// Read input pins for A and Start
|
||||
if (_connected[c]) {
|
||||
if (!_sixButtonMode[c]) {
|
||||
(bitRead(reg2, DATA_PIN[c][4]) == LOW) ? currentState[c] |= SC_BTN_A : currentState[c] &= ~SC_BTN_A;
|
||||
(bitRead(reg2, DATA_PIN[c][5]) == LOW) ? currentState[c] |= SC_BTN_START : currentState[c] &= ~SC_BTN_START;
|
||||
(OPT_PIN_READ2(4) == LOW) ? currentState[c] |= SC_BTN_A : currentState[c] &= ~SC_BTN_A;
|
||||
(OPT_PIN_READ2(5) == LOW) ? currentState[c] |= SC_BTN_START : currentState[c] &= ~SC_BTN_START;
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (_ignoreCycles[c]-- == 2) // Decrease the ignore cycles counter and read 8bitdo home in first "ignored" cycle, this cycle is unused on normal 6-button controllers
|
||||
{
|
||||
(bitRead(reg1, DATA_PIN[c][0]) == LOW) ? currentState[c] |= SC_BTN_HOME : currentState[c] &= ~SC_BTN_HOME;
|
||||
(OPT_PIN_READ1(0) == LOW) ? currentState[c] |= SC_BTN_HOME : currentState[c] &= ~SC_BTN_HOME;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -282,53 +341,51 @@ SegaControllers32U4 controllers;
|
|||
|
||||
GAMEPAD_CLASS gamepad;
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
gamepad.begin();
|
||||
}
|
||||
|
||||
void controllerChanged(const int c) {
|
||||
#ifdef DEBUG
|
||||
controllers.printState(c);
|
||||
#endif
|
||||
|
||||
gamepad.buttons(c, 0);
|
||||
// if start and select are held at the same time, send menu and only menu
|
||||
if (controllers.down(c, SC_BTN_START) && controllers.down(c, SC_BTN_DOWN)) {
|
||||
// if start and down are held at the same time, send menu and only menu
|
||||
gamepad.buttons(c, controllers.currentState[c]);
|
||||
if (controllers.down(c, SC_BTN_START) && controllers.dpad(c, SC_BTN_DOWN)) {
|
||||
gamepad.buttons(c, 0);
|
||||
gamepad.press(c, BUTTON_MENU);
|
||||
} else {
|
||||
// actually send buttons held
|
||||
for (uint8_t btn = 0; btn < BUTTON_COUNT; btn++) {
|
||||
if (controllers.down(c, translateFromButton[btn])) {
|
||||
gamepad.press(c, translateToHid[btn]);
|
||||
}
|
||||
}
|
||||
gamepad.setHatSync(c, DPAD_CENTERED);
|
||||
return;
|
||||
}
|
||||
if (controllers.down(c, SC_BTN_DOWN)) {
|
||||
if (controllers.down(c, SC_BTN_RIGHT)) {
|
||||
if (controllers.dpad(c, SC_BTN_DOWN)) {
|
||||
if (controllers.dpad(c, SC_BTN_RIGHT)) {
|
||||
gamepad.setHatSync(c, DPAD_DOWN_RIGHT);
|
||||
} else if (controllers.down(c, SC_BTN_LEFT)) {
|
||||
} else if (controllers.dpad(c, SC_BTN_LEFT)) {
|
||||
gamepad.setHatSync(c, DPAD_DOWN_LEFT);
|
||||
} else {
|
||||
gamepad.setHatSync(c, DPAD_DOWN);
|
||||
}
|
||||
} else if (controllers.down(c, SC_BTN_UP)) {
|
||||
if (controllers.down(c, SC_BTN_RIGHT)) {
|
||||
} else if (controllers.dpad(c, SC_BTN_UP)) {
|
||||
if (controllers.dpad(c, SC_BTN_RIGHT)) {
|
||||
gamepad.setHatSync(c, DPAD_UP_RIGHT);
|
||||
} else if (controllers.down(c, SC_BTN_LEFT)) {
|
||||
} else if (controllers.dpad(c, SC_BTN_LEFT)) {
|
||||
gamepad.setHatSync(c, DPAD_UP_LEFT);
|
||||
} else {
|
||||
gamepad.setHatSync(c, DPAD_UP);
|
||||
}
|
||||
} else if (controllers.down(c, SC_BTN_RIGHT)) {
|
||||
} else if (controllers.dpad(c, SC_BTN_RIGHT)) {
|
||||
gamepad.setHatSync(c, DPAD_RIGHT);
|
||||
} else if (controllers.down(c, SC_BTN_LEFT)) {
|
||||
} else if (controllers.dpad(c, SC_BTN_LEFT)) {
|
||||
gamepad.setHatSync(c, DPAD_LEFT);
|
||||
} else {
|
||||
gamepad.setHatSync(c, DPAD_CENTERED);
|
||||
}
|
||||
}
|
||||
|
||||
void setup() {
|
||||
#ifdef DEBUG
|
||||
Serial.begin(115200);
|
||||
#endif
|
||||
gamepad.begin();
|
||||
}
|
||||
|
||||
void loop() {
|
||||
if (gamepad.isConnected()) {
|
||||
controllers.poll(controllerChanged);
|
||||
|
|
|
|||
|
|
@ -1,4 +1,20 @@
|
|||
|
||||
#ifndef CODE_PLATFORM
|
||||
#if defined(ARDUINO_ARCH_ESP32)
|
||||
|
||||
#define CODE_PLATFORM 1 // optimized for esp32
|
||||
|
||||
#elif defined(ARDUINO_AVR_MICRO)
|
||||
|
||||
#define CODE_PLATFORM 2 // optimized for micro
|
||||
|
||||
#else
|
||||
|
||||
#define CODE_PLATFORM 0 // generic
|
||||
|
||||
#endif // CODE_PLATFORM detection
|
||||
#endif // ifndef CODE_PLATFORM
|
||||
|
||||
#if GAMEPAD_OUTPUT == 0
|
||||
|
||||
#include "Debug-Gamepad/DebugGamepad.h"
|
||||
|
|
@ -27,4 +43,4 @@
|
|||
|
||||
#error Unsupported value for GAMEPAD_OUTPUT, must be 0-3
|
||||
|
||||
#endif
|
||||
#endif // GAMEPAD_OUTPUT detection
|
||||
|
|
|
|||
Loading…
Reference in New Issue