zhyinch
2021-12-10 abb80bb7ac0048e9bd26c122afca32c00d7be237
Ô´Âë/ºËÐİå/Src/application/dw_app.c
@@ -842,6 +842,26 @@
            dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
         }
}
 double firstpath_power, rx_power,rec_firstpath_power;
  double f1, f2, r1, r2;
uint16_t F1,F2,F3,N,C;
double B = 131072;
double A = 121.74;
double min_power;
 dwt_rxdiag_t d1;
double LOS(dwt_rxdiag_t *dia) {
     F1 = dia->firstPathAmp1;
     F2 = dia->firstPathAmp2;
     F3 = dia->firstPathAmp3;
     N = dia->rxPreamCount;
     C = dia->maxGrowthCIR;
    firstpath_power=10* log10((F1*F1+F2*F2+F3*F3)/(N*N))-A;
    rx_power=10*log10(C*B/(N*N))-A;
 //   min_power =  - 10 * log10((F1 *F1 + F2 * F2 + F3 * F3) / (C *B));
    return min_power;
  }
u16 smallcar_idlist[10]={0x4052,0x4032,0x4055,0x4034,0x4016,0x4010,0x4036,0x4027,0x4024,0x4047};
extern u16 dist_threshold;
u8 misdist_num[TAG_NUM_IN_SYS],seize_anchor,getrange_success=0;
@@ -940,7 +960,9 @@
               tof = tof_dtu * DWT_TIME_UNITS;
               distance = tof * SPEED_OF_LIGHT;//距离=光速*飞行时间
               dist_no_bias = distance - dwt_getrangebias(config.chan, (float)distance, config.prf); //距离减去矫正系数
               dist_cm = dist_no_bias * 1000; //dis ä¸ºå•位为cm的距离
               dist_cm = dist_no_bias * 1000; //dis ä¸ºå•位为cm的距离
               dwt_readdiagnostics(&d1);
               LOS(&d1);
               /*--------------------------以下为非测距逻辑------------------------*/
               //dist_cm=33000;
               getrange_success = 1;
@@ -991,6 +1013,8 @@
               memcpy(&usart_send[9],&tagdist_list[taglist_pos],4);
               usart_send[13] = battary;
               usart_send[14] = button;
               usart_send[15] = firstpath_power;
               usart_send[16] = rx_power;
               checksum = Checksum_u16(&usart_send[2],17);
               memcpy(&usart_send[19],&checksum,2);
               UART_PushFrame(usart_send,21);