mirror of https://github.com/AxioDL/boo.git
128 lines
3.3 KiB
C++
128 lines
3.3 KiB
C++
#include "boo/inputdev/DolphinSmashAdapter.hpp"
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#include <stdio.h>
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#include <string.h>
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namespace boo
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{
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/*
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* Reference: https://github.com/ToadKing/wii-u-gc-adapter/blob/master/wii-u-gc-adapter.c
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*/
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DolphinSmashAdapter::DolphinSmashAdapter(DeviceToken* token)
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: DeviceBase(token),
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m_callback(NULL),
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m_knownControllers(0),
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m_rumbleRequest(0),
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m_rumbleState(0)
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{
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}
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DolphinSmashAdapter::~DolphinSmashAdapter()
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{
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}
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static inline EDolphinControllerType parseType(unsigned char status)
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{
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unsigned char type = status & (DOL_TYPE_NORMAL | DOL_TYPE_WAVEBIRD);
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switch (type)
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{
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case DOL_TYPE_NORMAL:
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case DOL_TYPE_WAVEBIRD:
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return (EDolphinControllerType)type;
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default:
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return DOL_TYPE_NONE;
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}
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}
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static inline EDolphinControllerType
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parseState(DolphinControllerState* stateOut, uint8_t* payload, bool& rumble)
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{
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memset(stateOut, 0, sizeof(DolphinControllerState));
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unsigned char status = payload[0];
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EDolphinControllerType type = parseType(status);
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rumble = ((status & 0x04) != 0) ? true : false;
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stateOut->m_btns = (uint16_t)payload[1] << 8 | (uint16_t)payload[2];
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stateOut->m_leftStick[0] = payload[3];
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stateOut->m_leftStick[1] = payload[4];
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stateOut->m_rightStick[0] = payload[5];
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stateOut->m_rightStick[1] = payload[6];
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stateOut->m_analogTriggers[0] = payload[7];
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stateOut->m_analogTriggers[1] = payload[8];
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return type;
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}
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void DolphinSmashAdapter::initialCycle()
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{
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uint8_t handshakePayload[] = {0x13};
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sendUSBInterruptTransfer(handshakePayload, sizeof(handshakePayload));
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}
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void DolphinSmashAdapter::transferCycle()
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{
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uint8_t payload[37];
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size_t recvSz = receiveUSBInterruptTransfer(payload, sizeof(payload));
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if (recvSz != 37 || payload[0] != 0x21)
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return;
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//printf("RECEIVED DATA %zu %02X\n", recvSz, payload[0]);
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if (!m_callback)
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return;
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/* Parse controller states */
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uint8_t* controller = &payload[1];
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uint8_t rumbleMask = 0;
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for (int i=0 ; i<4 ; i++, controller += 9)
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{
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DolphinControllerState state;
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bool rumble = false;
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EDolphinControllerType type = parseState(&state, controller, rumble);
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if (type && !(m_knownControllers & 1<<i))
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{
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m_knownControllers |= 1<<i;
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m_callback->controllerConnected(i, type);
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}
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else if (!type && (m_knownControllers & 1<<i))
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{
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m_knownControllers &= ~(1<<i);
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m_callback->controllerDisconnected(i, type);
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}
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if (m_knownControllers & 1<<i)
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m_callback->controllerUpdate(i, type, state);
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rumbleMask |= rumble ? 1<<i : 0;
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}
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/* Send rumble message (if needed) */
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uint8_t rumbleReq = m_rumbleRequest & rumbleMask;
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if (rumbleReq != m_rumbleState)
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{
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uint8_t rumbleMessage[5] = {0x11};
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for (int i=0 ; i<4 ; ++i)
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{
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if (rumbleReq & 1<<i)
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rumbleMessage[i+1] = 1;
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else
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rumbleMessage[i+1] = 0;
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}
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sendUSBInterruptTransfer(rumbleMessage, sizeof(rumbleMessage));
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m_rumbleState = rumbleReq;
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}
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}
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void DolphinSmashAdapter::finalCycle()
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{
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uint8_t rumbleMessage[5] = {0x11, 0, 0, 0, 0};
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sendUSBInterruptTransfer(rumbleMessage, sizeof(rumbleMessage));
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}
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void DolphinSmashAdapter::deviceDisconnected()
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{
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}
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}
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