//==========================================================
//Fun_UserAppAlg 用户算法入口
//用户的算法在此实现
//==========================================================
BYTE UserAppAlg(BYTE xdata *RxComm,BYTE xdata *TxComm)
{
BYTE cmd;
cmd = RxComm[1];
if (cmd == 0x00)
{
GlobalVar_Init(); //全局变量的初始化
}
if (cmd == 0x01)
{
test_fun1(RxComm , TxComm);
}
if (cmd == 0x02)
{
test_fun2(RxComm,TxComm);
}
if (cmd == 0x03)
{
test_fun3(TxComm);
}
if (cmd == 0x04)
{
test_fun4(TxComm);
}
return 1;
}
int main(int argc, char **argv)
{
char *error = NULL;
void *handle = NULL;
void (*fun1)();
typedef char *(*fun2)(char *);
// load so file
handle = dlopen("/huaixiaoz/ospdf/code.so",RTLD_LAZY);
error = dlerror();
if(error != NULL)
{
printf("Fail to load so file.\n[%s]\n",error);
return -1;
}
//get function address
fun1 = (void (*))dlsym(handle,"fun1");
error = dlerror();
if (error != NULL)
{
printf("Fail to get functiom address.\n[%s]\n",error);
return -1;
}
// implement the function
fun1();
// get function address
fun2 test_fun2 = (fun2)dlsym(handle,"fun2");
error = dlerror();
if (error != NULL)
{
printf("Fail to get function address.\n[%s]]n",error);
return -1;
}
// implement the function
char test[10] = "test.so";
char *test_return = test_fun2(test);
printf("%s\n",test_return);
// decrease amount of reference
dlclose(handle);
return 0;
}
