uchar buff1[4],buff2[4],buff3[4],buff4[4],buff5[4],buff6[4],buff7[4],buff8[4],buff9[4],buff10[4],buff11[4],buff12[4];
float f_temp1,f_temp2,f_temp3,f_temp4,f_temp5,f_temp6,f_temp7,f_temp8,f_temp9,f_temp10,f_temp11,f_temp12;

sprintf(buff1,"%f",f_temp1);
sprintf(buff2,"%f",f_temp2);
sprintf(buff3,"%f",f_temp3);
sprintf(buff4,"%f",f_temp4);
sprintf(buff5,"%f",f_temp5);
sprintf(buff6,"%f",f_temp6);
sprintf(buff7,"%f",f_temp7);
sprintf(buff8,"%f",f_temp8);
sprintf(buff9,"%f",f_temp9);
sprintf(buff10,"%f",f_temp10);
sprintf(buff11,"%f",f_temp11);
sprintf(buff12,"%f",f_temp12);