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;						//��
dataBuffer[Pack_Def_CC2] = 0;						//��
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);

//������
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;
}
}
}
}

标签：int,安卓,char,源码,void,月光宝盒,PlayerKey,Def,Pack
来源： https://blog.csdn.net/a332324956/article/details/114238824