安卓月光宝盒项目源码讲解

这里使用的是MAME 模拟器，当前手头实现了全部模拟器，FBA MD FC PSP PS1 ，支持拳皇97 98等8000多个游戏。通过修改，去掉游戏机里面触摸按键，介入上面说的游戏按键。

输入设备当前支持，串口，USB ，按键，遥控器，有线无线鼠标，都已经支持。可以支持3P 4P对打。

同时画面经过渲染，完成了高清画质。

这里分享一段串口代码：合作联系QQ 332324956

#include “Com.h”
#include “Random.h”
#include “SerialPort.h”
#include “Hardware.h”
#include <stdio.h>
#include <string.h>
#include “TEA.h”

const char* SerialPortName = “/dev/ttyS4”; //2
const int Budrate = 115200;
int serialPortFD = -1;

enum Pack_Def
{
Pack_Def_Len = 0,
Pack_Def_CC1,
Pack_Def_CC2,
Pack_Def_Random,
Pack_Def_Data,
};

const int DATA_PACK_MAX_LEN = 128;
const int InBufferLen = 4096;
unsigned char inBuffer[InBufferLen]={0};
int inBufferTop = 0;
int inBufferEnd = 0;
float nonePacketTime = 0;

//******************************* ͨ�Ŵ�� ***************************************************************

void SerialPushCharToInBuffer(unsigned char data)
{
inBuffer[inBufferEnd] = data;
if(++inBufferEnd >= InBufferLen) inBufferEnd = 0;
}

int GetInBufferLen(void)
{
int len = inBufferEnd - inBufferTop;
if (len < 0) len += InBufferLen;
return len;
}

void CopyDataFromInBuffer(unsigned char *data, int len)
{
int index = inBufferTop;
for (int i = 0; i < len; i++)
{
data[i] = inBuffer[index];
if(++index >= InBufferLen)
{
index = 0;
}
}
}

void InBufferStepByStep(int step)
{
inBufferTop += step;
inBufferTop %= InBufferLen;
}

unsigned char GetCheckCode(unsigned char *data, unsigned char len, unsigned char random)
{
unsigned char add = random;
unsigned char i = 0;
for(i = 0; i < len; i++)
{
add += data[i];
}
return add;
}

int epcnt = 0;
bool GetMsgPack(unsigned char* data, int* len)
{
static unsigned char dataBuffer[DATA_PACK_MAX_LEN];

if (GetInBufferLen() > 0)
{if(GetInBufferLen() >= inBuffer[inBufferTop]){if(inBuffer[inBufferTop] >= Pack_Def_Data + 8 && inBuffer[inBufferTop] <= DATA_PACK_MAX_LEN&& (inBuffer[inBufferTop] - Pack_Def_Data) % 8 == 0){CopyDataFromInBuffer(dataBuffer, inBuffer[inBufferTop]);if(GetCheckCode(&dataBuffer[Pack_Def_Data], dataBuffer[Pack_Def_Len] - Pack_Def_Data, dataBuffer[Pack_Def_Random]) == dataBuffer[Pack_Def_CC1]&& GetCheckCode(&dataBuffer[Pack_Def_Data], dataBuffer[Pack_Def_Len] - Pack_Def_Data, dataBuffer[Pack_Def_Random]^0xdb) == dataBuffer[Pack_Def_CC2]){//У��ɹ�//����int *p = (int*)(&dataBuffer[Pack_Def_Data]);int key[4];GetTeaKey(dataBuffer[Pack_Def_Random]^0x43, key);XXTea(p, key, -1 * (dataBuffer[Pack_Def_Len] - Pack_Def_Data) / 4);//�����ݱ��浽����for (int i = 0; i < dataBuffer[Pack_Def_Len] - Pack_Def_Data; i++){data[i] = dataBuffer[Pack_Def_Data + i];}*len = dataBuffer[Pack_Def_Len] - Pack_Def_Data;InBufferStepByStep(dataBuffer[Pack_Def_Len]);}else{InBufferStepByStep(1);*len = 0;}}else{InBufferStepByStep(1);*len = 0;}return true;}
}
*len = 0;
return false;

}

void CommSendData(unsigned char* data, int len)
{
static unsigned char dataBuffer[DATA_PACK_MAX_LEN];

if(len + Pack_Def_Data > DATA_PACK_MAX_LEN) return;int aLen = (8 - len%8)%8 + len;dataBuffer[Pack_Def_Len] = aLen + Pack_Def_Data;   //���ݳ���
dataBuffer[Pack_Def_CC1] = 0;                      //У��
dataBuffer[Pack_Def_CC2] = 0;                      //У��
dataBuffer[Pack_Def_Random] = Rand.Rand(0, 0xff);  //���ֵ
//�������
int i = 0;
for(i = 0; i < len; i++)
{dataBuffer[Pack_Def_Data+i] = data[i];
}
//Ϊ�˲���8�ı�����������ֵ
for(; i < aLen; i++)
{dataBuffer[Pack_Def_Data+i] = Rand.Rand(0, 0xff);//���ֵ;
}//����
int *p = (int*)(&dataBuffer[Pack_Def_Data]);
int key[4];
GetTeaKey(dataBuffer[Pack_Def_Random]^0x43, key);
XXTea(p, key, aLen / 4);//����У��
dataBuffer[Pack_Def_CC1] = GetCheckCode(&dataBuffer[Pack_Def_Data], aLen, dataBuffer[Pack_Def_Random]);
dataBuffer[Pack_Def_CC2] = GetCheckCode(&dataBuffer[Pack_Def_Data], aLen, dataBuffer[Pack_Def_Random]^0xdb);
PortSend(serialPortFD, (char*)dataBuffer, aLen + Pack_Def_Data);

}

//************************************************************************************************************************

S_KeyState PlayerKey[PK_Count];

void ClearKey(void)
{
for (int j = 0; j < PK_Count; j++)
{
PlayerKey[j].click = false;
PlayerKey[j].u_dt = 0;
PlayerKey[j].d_dt = 0;
PlayerKey[j].a_dt = 0;
PlayerKey[j].state = false;
}
}

unsigned int get_key =0;

void GetKeyData(unsigned char* data)
{
memcpy((unsigned char*)&get_key, data, 4);

for(int i = 0; i < PK_Count; i++)
{if((get_key & (0x00000001<<i)) > 0){//����if(!(PlayerKey[i].state)){PlayerKey[i].click = true;PlayerKey[i].u_dt = 0;PlayerKey[i].a_dt = 0;}PlayerKey[i].state = true;}else{//�ɿ�if(PlayerKey[i].state){PlayerKey[i].d_dt = 0;PlayerKey[i].a_dt = 0;}PlayerKey[i].state = false;PlayerKey[i].click = false;}
}

}

void DoInData(void)
{
static unsigned char data[DATA_PACK_MAX_LEN];
static int len = 0;

while(GetMsgPack(data, &len))
{nonePacketTime = 0;switch(data[0]){case 1:            // ɨ�谴��GetKeyData(&data[1]);break;default:break;}
}

}

void ComUpdate(float dt)
{
//��
nonePacketTime += dt;

char buffer[1024];
int len = 0;
do
{len = PortRecv(serialPortFD, buffer, 1024);if(len <= 0)   break;else{nonePacketTime = 0;for (int i = 0; i < len; i++){SerialPushCharToInBuffer((unsigned char)buffer[i]);}DoInData();}
} while (true);

}

void ComInit(void)
{
inBufferTop = 0;
inBufferEnd = 0;
for(int i = 0; i < InBufferLen; i++)
{
inBuffer[i] = 0;
}
Tea_KeyInit();
}

void OpenCom(void)
{
if(serialPortFD == -1)
{
serialPortFD = PortOpen(SerialPortName);
if(serialPortFD >= 0)
{
PortSet(serialPortFD, Budrate);
}
ClearAllPortBuffer(serialPortFD);
}
}

void CloseCom(void)
{
PortClose(serialPortFD);
serialPortFD = -1;
inBufferTop = 0;
inBufferEnd = 0;
}

void KeyUpdate(float dt)
{
for (int j = 0; j < PK_Count; j++)
{
if(PlayerKey[j].state)
{
PlayerKey[j].u_dt += dt;
}
else
{
PlayerKey[j].d_dt += dt;
if(PlayerKey[j].click && PlayerKey[j].d_dt > 0.1f)
{
PlayerKey[j].click = false;
}
}
}
}

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