测试uart_ldisc

#include
#include
#include
#include
#include
#include
#include
#include
#include


#include
#include
#include
#include


static int g_exit =0;
static pthread_t tid1;
static pthread_t tid2;
static pthread_t tid3;
typedef void *Ptr; 


/* MCU字符驱动的"魔数" */
#define  MCU_IOC_MAGIC   'M'
/* 按键状态 */
#define  MCU_KEY_STATE        _IOWR( MCU_IOC_MAGIC, 0x1, Ptr)
/* 裸读MCU */
#define  MCU_RAW_READ         _IOWR( MCU_IOC_MAGIC, 0x2, Ptr)
/* 裸写MCU */
#define  MCU_RAW_WRITE        _IOWR( MCU_IOC_MAGIC, 0x3, Ptr)
/* 开始升级 */
#define  MCU_UPGRADE_START    _IOWR( MCU_IOC_MAGIC, 0x4, Ptr)
/* 结束升级 */
#define  MCU_UPGRADE_END      _IOWR( MCU_IOC_MAGIC, 0x5, Ptr)
/*获得MCU的能力*/
#define  MCU_GET_CAPS          _IOWR( MCU_IOC_MAGIC, 0x6, Ptr)
/* 复位MCU */
#define  MCU_RESET             _IOWR( MCU_IOC_MAGIC, 0x7, Ptr)
/* 读取卡信息*/
#define  MCU_READCARD             _IOWR( MCU_IOC_MAGIC, 0x8, Ptr)




typedef struct {
int fd;
int cmd;
}para;
void *read_thread(void *p)
{
int i=0;
int ret = -1;
char buf[7]={0x00};

para *pa = p;


printf("read_thread!\n" );
do
{
ret = ioctl(pa->fd,pa->cmd,&buf);
printf("read_thread ret=%d \n",ret );
if(ret  > 0)
{
for(i=0 ; i< 7;i++)
{
printf("buf[%d] = %x \n",i,buf[i]);
buf[i] = 0x00;//清除
}
}


}while(!g_exit);


return;
}
void *read_thread_card(void *p)
{
int i=0;
int ret = -1;
char buf[15]={0x00};

para *pa = p;


printf("read_thread card :\n" );
do
{
ret = ioctl(pa->fd,pa->cmd,&buf);
printf("read_thread card  ret=%d \n",ret );
if(ret > 0)
{
for(i=0 ; i< 15;i++)
{
printf("buf[%d] = %x \n",i,buf[i]);
buf[i] = 0;
}
}


}while(!g_exit);


return;
}




 char update_buf_request[7] = {0xA6,0x00,0x7,0x60, 0x00,0x0D,0x1A};
 typedef  struct UpData // 升级数据下发
{
//命令区//0xA6000763  or  0xA6000764
char cmd_h; //0xa6
char slave_addr; //0x00
char cmd_g; //0x07
char cmd_code; //0x63
//数据区
char  dwIndex_h; // 数据 index (第几包)   2个字节
char  dwIndex_l;
char btDataSize; // 数据长度1个字节
char  btBuffer[1]; // 长度为 btDataSize;
}TUpData,*LpUpData;
 
char caculate_check_sum(TUpData *outbuf,char * buf)
{
char res=0x00;
unsigned int  sum=0x00;
int i =0;
//命令部分
sum = (outbuf->cmd_h) + (outbuf->slave_addr) + (outbuf->cmd_g)+ (outbuf->cmd_code);
printf("sum cmd= 0x%x \n",sum);
//数据部分
sum += (outbuf->dwIndex_h +outbuf->dwIndex_l +outbuf->btDataSize);
printf("sum data= 0x%x \n",sum);
for(i=0; i <  outbuf->btDataSize ;i++)
sum += *(buf+i);

//只取low 8bit
res =0xFF& sum;
printf("check res = %x sum =0x%x\n",res,sum);
return res;
}


void *update_thread(void *p)
{
int i=0;
int ret = -1;
char dw_resp_buf[10]={0x00};
FILE *fo;
char * inBuf=NULL;
TUpData * outBuf=NULL;
char len= 128;//默认根据协议每包128字节,控制读取文件的长度
char lastlen=0;//最后一包数据的长度
int loop;//
int file_len =0;
int readed_len;
para *pa = p;


printf("update_thread!\n" );
//握手过程
//ret = ioctl(pa->fd, MCU_UPGRADE_START,&buf);
ret = 0;//
printf("hand shake = %x \n",ret);
if(ret  < 0)
{
goto EXIT_THREAD;
}
//  打开文件
   if( NULL == (fo = fopen("/mnt/misc/buf2", "rb")))
    {
        printf("Open output file invalid\n");
        goto EXIT_THREAD;
    }  
    else
    {
        printf("open /mnt/misc/sg succeed\n");
    }
//获取升级文件的大小
fseek(fo, 0, SEEK_END);//文件流位置是末尾
file_len = ftell(fo);//获取大小
fseek(fo, 0, SEEK_SET);//设置文件流为起始位置
if(file_len <128)
{
printf("file_len is small than 128 bytes");
goto EXIT_THREAD;
}
lastlen = file_len%128;
if(lastlen ==0)//整除128个字节
{
loop = file_len/128;
lastlen = 128;
}
else
{ loop = file_len/128+1;}

printf("file len=%d loop=%d lastlen =%d \n",file_len,loop,lastlen);

//申请buf缓存读出的文件
if(NULL == (inBuf = malloc(len+1)))//+1byte校验和
{
printf("malloc failed \n");
goto EXIT_THREAD;
}


//申请封装数据包的内存
if(NULL == (outBuf=malloc(sizeof(TUpData)+len+1)))//128+1byte校验和
{
printf("malloc  outBuf failed \n");
goto EXIT_THREAD;
}
//开始升级数据
while ((--loop) >= 0)
{
readed_len = (unsigned int)fread(inBuf,1,len,fo) ;
if(readed_len  <= 0 )
{
printf("***** read err  %d\n",readed_len);
goto EXIT_THREAD;
}

//封装数据
if(loop >0 )
{
len = 128;
outBuf->cmd_h = 0xA6;//0xa6000763;
outBuf->slave_addr =0x00;
outBuf->cmd_g =0x07;
outBuf->cmd_code =0x63;
outBuf->dwIndex_h  =dw_resp_buf[6];//第一包是0
outBuf->dwIndex_h  =dw_resp_buf[7];
outBuf->btDataSize   = len;
*(inBuf+len) = caculate_check_sum(outBuf,inBuf);
memcpy(outBuf->btBuffer,inBuf,outBuf->btDataSize+1);

printf("the loop =%d packet len=%d \n",loop,len);

}//最后一包
else{
outBuf->cmd_h = 0xA6;//0xa6000764;
outBuf->slave_addr =0x00;
outBuf->cmd_g =0x07;
outBuf->cmd_code =0x64;
outBuf->dwIndex_h  =dw_resp_buf[6];
outBuf->dwIndex_h  =dw_resp_buf[7];
outBuf->btDataSize   = len;
*(inBuf+len) = caculate_check_sum(outBuf,inBuf);
memcpy(outBuf->btBuffer,inBuf,outBuf->btDataSize+1);
printf("the last packet \n");
}
//写入一包数据,阻塞5s
printf("start to write the [%d] packet len=%d  checksum=0x%x \n",loop,len,*(outBuf->btBuffer+len));
//ret = write(pa->fd,outBuf,sizeof(outBuf));//
if(0)//ret < 0 )
{
printf("write  packet err =%d \n");
goto FAILED;
}
//设置最后一包的长度
if(loop == 1 )
len = lastlen;
printf(" write packet done and wait for next resp %d \n",ret);
//等待应答，阻塞访问3s后超时
//ret = ioctl(pa->fd, MCU_RAW_READ,&dw_resp_buf);

if(1)//ret  > 0)
{
for(i=0 ; i< 10;i++)
{
//printf("buf[%d] = %x \n",i,dw_resp_buf[i]);
}
}
else
{
printf("respond   err =%d \n",ret);
goto FAILED;
}
};

FAILED:
free(inBuf);
free(outBuf);

EXIT_THREAD:
//升级线程退出
printf("   update FW thread exit !!! \n");
pthread_join(tid3,NULL);
return;
}
static void sigprocess(int inSigno)
{
printf("need to exit the Demo!\n" );
if(tid1)
{ pthread_join(tid1,NULL);}//等待线程退出


if(tid2)
{ pthread_join(tid2,NULL);}//等待线程退出

if(tid3)
{ pthread_join(tid3,NULL);}//等待线程退出
g_exit = 1;
}
//最后一位是检验和，取前面所有数据和的低8位
 char buf_led[7]=       {0xA6,0x00,0x07,0x40,0x01,0x01,0xEF};
 char buf_keepalive[7]= {0xA6,0x00,0x07,0x30,0x01,0x02,0xE0};
int main ( int argc, char *argv[] )
{
   int ret =0;
   int fd = 0;
    para para_t;
   para para_t_card;
   char buf[15]={0};

    int i;


    signal(SIGSEGV, sigprocess);
    signal(SIGINT, sigprocess);
    signal(SIGTERM, sigprocess);

    //打开mcu
    fd = open("/dev/ mcu", O_RDWR);
    if (!fd)
    {
    printf("Error: cannot open  mcu device.\n");
    exit(1);
    }


        //测试写接口
ret = write(fd,&buf_led,sizeof(buf_led));
ret = write(fd,&buf_keepalive,sizeof(buf_keepalive));
do{
//测试polling接口和读接口的交互，同步
   fd_set fds;
   struct timeval tv;
   int r;
   FD_ZERO(&fds);
   FD_SET(fd, &fds);
   tv.tv_sec = 3;
   tv.tv_usec = 0;


    ret = select(fd + 1, &fds, NULL, NULL, &tv);


   if (0 == ret) {
       fprintf(stderr, "select timeout\n");
      continue;
   }
//有数据可以读
   ret = read(fd,&buf,sizeof(buf));
   printf("receive MCU    data = %x \n",ret);

      for(i=0 ; i< sizeof(buf);i++)
      {
      printf("buf[%d] = %x \n",i,buf[i]);
      buf[i] = 0x00;//清除
      }
   break;
}while(!g_exit);

//end
printf("write buf done! ret = %d \n ",ret);
#if 1 //update线程
para_t.fd     = fd;
para_t.cmd  =  MCU_UPGRADE_START;
    ret  = pthread_create(&tid1, NULL, (void *)update_thread, ¶_t);
    if (ret < 0)
    {
        printf("create thread error\r\n");
        pthread_exit(NULL);
    }
#endif
//测试读接口
para_t.fd     = fd;
para_t.cmd  =  MCU_KEY_STATE;
     ret  = pthread_create(&tid2, NULL, (void *)read_thread, ¶_t);
    if (ret < 0)
    {
        printf("create thread error\r\n");
        pthread_exit(NULL);
    }

para_t_card.fd     = fd;
para_t_card.cmd  =  MCU_READCARD;

     ret  = pthread_create(&tid3, NULL, (void *)read_thread_card, ¶_t_card);
    if (ret < 0)
    {
        printf("create thread error\r\n");
        pthread_exit(NULL);
    }


while(!g_exit) 
sleep(2);

printf("exit the Demo!\n" );
    
    close(fd);
    exit(1);
    return 0;
}