| | |
| | | #include "Usart.h" |
| | | #include "global_param.h" |
| | | #include "filters.h" |
| | | |
| | | #include <stdio.h> |
| | | #include "beep.h" |
| | | |
| | | |
| | | /*------------------------------------ Marcos ------------------------------------------*/ |
| | |
| | | /*------------------------------------ Variables ------------------------------------------*/ |
| | | /* Default communication configuration. We use here EVK1000's default mode (mode 3). */ |
| | | static dwt_config_t config = { |
| | | 5, /* Channel number. */ |
| | | 2, /* Channel number. */ |
| | | DWT_PRF_64M, /* Pulse repetition frequency. */ |
| | | DWT_PLEN_128, /* Preamble length. */ |
| | | DWT_PAC8, /* Preamble acquisition chunk size. Used in RX only. */ |
| | |
| | | } |
| | | void Dw1000_App_Init(void) |
| | | { |
| | | g_com_map[DEV_ID]=0x03; |
| | | //g_com_map[DEV_ID] = 0x0b; |
| | | tx_poll_msg[MESSAGE_TYPE_IDX]=POLL; |
| | | tx_resp_msg[MESSAGE_TYPE_IDX]=RESPONSE; |
| | | tx_final_msg[MESSAGE_TYPE_IDX]=FINAL; |
| | |
| | | dwt_configuresleep(0x940, 0x7); |
| | | dwt_entersleep(); |
| | | } |
| | | |
| | | uint16_t g_Resttimer; |
| | | uint8_t result; |
| | | void Tag_App(void)//å鿍¡å¼(TAGæ ç¾) |
| | | { |
| | | uint32_t frame_len; |
| | | uint32_t final_tx_time; |
| | | |
| | | g_Resttimer=0; |
| | | UART_CheckReceive(); |
| | | GPIO_ResetBits(SPIx_GPIO, SPIx_CS); |
| | | delay_us(2000); |
| | | delay_us(2500); |
| | | GPIO_SetBits(SPIx_GPIO, SPIx_CS); |
| | | |
| | | /* Write frame data to DW1000 and prepare transmission. See NOTE 7 below. */ |
| | |
| | | tx_final_msg[ALL_MSG_SN_IDX] = frame_seq_nb; |
| | | dwt_writetxdata(sizeof(tx_final_msg), tx_final_msg, 0);//å°åéæ°æ®åå
¥DW1000 |
| | | dwt_writetxfctrl(sizeof(tx_final_msg), 0);//设å®åéæ°æ®é¿åº¦ |
| | | dwt_starttx(DWT_START_TX_DELAYED);//设å®ä¸ºå»¶è¿åé |
| | | result=dwt_starttx(DWT_START_TX_DELAYED);//设å®ä¸ºå»¶è¿åé |
| | | |
| | | |
| | | /* Poll DW1000 until TX frame sent event set. See NOTE 8 below. */ |
| | | while (!(dwt_read32bitreg(SYS_STATUS_ID) & SYS_STATUS_TXFRS))//䏿æ¥è¯¢è¯çç¶æç´å°åé宿 |
| | | if(result==0) |
| | | {while (!(dwt_read32bitreg(SYS_STATUS_ID) & SYS_STATUS_TXFRS))//䏿æ¥è¯¢è¯çç¶æç´å°åé宿 |
| | | { }; |
| | | |
| | | } |
| | | /* Clear TXFRS event. */ |
| | | dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_TXFRS);//æ¸
餿 å¿ä½ |
| | | |
| | |
| | | dwt_entersleep(); |
| | | |
| | | } |
| | | |
| | | extern uint8_t g_pairstart; |
| | | void Anchor_App(void) |
| | | { |
| | | uint32_t frame_len; |
| | |
| | | while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR)))//䏿æ¥è¯¢è¯çç¶æç´å°æ¥æ¶æåæè
åºç°é误 |
| | | { |
| | | UART_CheckReceive(); |
| | | UART_CheckSend(); |
| | | g_Resttimer=0; |
| | | }; |
| | | |
| | | if (status_reg & SYS_STATUS_RXFCG)//æåæ¥æ¶ |
| | |
| | | tx_resp_msg[TAG_ID_IDX] = tag_id_recv; |
| | | |
| | | |
| | | if (rx_buffer[MESSAGE_TYPE_IDX] == POLL) //夿æ¯å¦æ¯pollå
æ°æ® |
| | | if (rx_buffer[MESSAGE_TYPE_IDX] == POLL&&tag_id_recv!= g_com_map[PAIR_ID]) //夿æ¯å¦æ¯pollå
æ°æ® |
| | | { |
| | | /* Retrieve poll reception timestamp. */ |
| | | poll_rx_ts = get_rx_timestamp_u64();//è·å¾Pollå
æ¥æ¶æ¶é´T2 |
| | |
| | | tx_resp_msg[ALL_MSG_SN_IDX] = frame_seq_nb; |
| | | dwt_writetxdata(sizeof(tx_resp_msg), tx_resp_msg, 0);//åå
¥åéæ°æ® |
| | | dwt_writetxfctrl(sizeof(tx_resp_msg), 0);//设å®åéé¿åº¦ |
| | | dwt_starttx(DWT_START_TX_DELAYED | DWT_RESPONSE_EXPECTED);//å»¶è¿åéï¼çå¾
æ¥æ¶ |
| | | result = dwt_starttx(DWT_START_TX_DELAYED | DWT_RESPONSE_EXPECTED);//å»¶è¿åéï¼çå¾
æ¥æ¶ |
| | | |
| | | /* We assume that the transmission is achieved correctly, now poll for reception of expected "final" frame or error/timeout. |
| | | * See NOTE 7 below. */ |
| | | while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR)))///䏿æ¥è¯¢è¯çç¶æç´å°æ¥æ¶æåæè
åºç°é误 |
| | | if(result==0) |
| | | { |
| | | while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR)))///䏿æ¥è¯¢è¯çç¶æç´å°æ¥æ¶æåæè
åºç°é误 |
| | | { }; |
| | | |
| | | } |
| | | /* Increment frame sequence number after transmission of the response message (modulo 256). */ |
| | | frame_seq_nb++; |
| | | |
| | |
| | | // dist[TAG_ID] = LP(dis, TAG_ID); //LP 为ä½é滤波å¨ï¼è®©æ°æ®æ´ç¨³å® |
| | | |
| | | /*--------------------------以ä¸ä¸ºéæµè·é»è¾------------------------*/ |
| | | LED0_BLINK; //æ¯æå䏿¬¡é讯åéªç䏿¬¡ |
| | | // LED0_BLINK; //æ¯æå䏿¬¡é讯åéªç䏿¬¡ |
| | | g_UWB_com_interval = 0; |
| | | dis_after_filter=dist_cm; |
| | | g_Tagdist[tag_id_recv]=dist_cm; |
| | | if(g_pairstart==1&&dist_cm<20) |
| | | { |
| | | g_pairstart=0; |
| | | g_com_map[PAIR_ID]=tag_id_recv; |
| | | save_com_map_to_flash(); |
| | | BEEP2_ON; |
| | | delay_ms(1000); |
| | | printf("Pair Finish PairID: %d. \r\n",g_com_map[PAIR_ID]); |
| | | } |
| | | g_flag_Taggetdist[tag_id_recv]=0; |
| | | printf("Anchor ID: %d, Tag ID: %d, Dist = %d cm\n", g_com_map[DEV_ID], tag_id_recv, (uint16_t)dis_after_filter); |
| | | //dis_after_filter = LP_Frac_Update(p_Dis_Filter, dist_cm); |
| | | |
| | | } |