psin1 = (unsigned char*)malloc(sizeof(unsigned char) * PSIN_SIZE);
psin2 = (unsigned char*)malloc(sizeof(unsigned char) * PSIN_SIZE);
psin3 = (unsigned char*)malloc(sizeof(unsigned char) * PSIN_SIZE);
psin1 = (unsigned char*)malloc(sizeof(unsigned char) * PSIN_SIZE);
psin2 = (unsigned char*)malloc(sizeof(unsigned char) * PSIN_SIZE);
psin3 = (unsigned char*)malloc(sizeof(unsigned char) * PSIN_SIZE);