From d875292ca0e18a027067f5c1c6bec205b3cfba31 Mon Sep 17 00:00:00 2001 From: chen <15335560115@163.com> Date: 星期五, 18 十月 2024 18:24:19 +0800 Subject: [PATCH] 低功耗优化代码控制在500UA左右,缩小每次接收超时时间为2500和帧间隔缩为600,URT端也相应改为400帧间隔,目前实现较稳定测距 --- keil/uwb_tag_.c | 36 ++++++++++++++++++++++++------------ 1 files changed, 24 insertions(+), 12 deletions(-) diff --git a/keil/uwb_tag_.c b/keil/uwb_tag_.c index 5f3ecee..5dafa93 100644 --- a/keil/uwb_tag_.c +++ b/keil/uwb_tag_.c @@ -25,7 +25,7 @@ #define POLL_DELAY 100U //yuan100U /* Receive response timeout */ -#define RESP_RX_TIMEOUT_US 5000U //Yuan500 10mssuccess 300jixian +#define RESP_RX_TIMEOUT_US 2500U //Yuan500 10mssuccess 300jixian /* Field index in frame */ #define MSG_SEQ_NUM_IDX 2 @@ -33,7 +33,7 @@ #define FINAL_MSG_RESP_RX_TS_IDX 14 #define FINAL_MSG_FINAL_TX_TS_IDX 18 #define DELAY_DEFAULT 50000 -#define DELAY_BETWEEN_TWO_FRAME_UUS 400 +#define DELAY_BETWEEN_TWO_FRAME_UUS 600 //yuan1400 #define HALF_SECOND_TIME 62400000 uint16_t CmpTagInList(uint16_t tagid); @@ -220,6 +220,7 @@ //获取发射端时钟偏差 resp_rx_num++; freq_offset=phy_freq_offset_get(); + // freq_offset_filter=average_filter(freq_offset);//获取频偏 //int32_t ppm = freq_offset_filter / (int32_t)(ch_center_freq_map[UWB_CH_NUM] * 1e-6); //calib_xtal38m4_load_cap_auto_tune(ppm);//利用电容调整晶振适配频偏应在完整的一包之后调整,需要关闭XTAL_AUTO_TUNE_EN 宏定义避免收包中途校准导致测距错误 @@ -366,7 +367,8 @@ temp = AddNewTagIntoList(tagid); return temp; } - +uint32_t count_index; +int tt=1; int TagRange(void) { // The following peripherals will be initialized in the uwb_open function @@ -410,6 +412,8 @@ poll_tx_ts_i64 = ranging_tx_time_correct(poll_tx_en_start_u32 + phy_shr_duration());//修正时间戳 temp_count1=phy_timer_count_get(); while(mac_is_busy());//等待发送完成 + gpio_pin_clr(IO_PIN_5);//测试 + gpio_pin_set(IO_PIN_5);//测试 temp_count2=phy_timer_count_get(); resp_rx_en_start_u32 = poll_tx_en_start_u32+ US_TO_PHY_TIMER_COUNT(POLL_TX_TO_RESP_RX_DLY_US);//设置发送多少s后接收按target独立时间起点算+ US_TO_PHY_TIMER_COUNT(POLL_TX_TO_RESP_RX_DLY_US为发送后要多久开启接收时间 temp_resp=resp_rx_en_start_u32; @@ -418,11 +422,14 @@ start_receive_count=phy_timer_count_get(); - poll_timeout=nearbase_num*US_TO_PHY_TIMER_COUNT(DELAY_BETWEEN_TWO_FRAME_UUS)+US_TO_PHY_TIMER_COUNT(DELAY_DEFAULT);//多一个多0.4ms默认0.4ms计算为0.125*4*100000,默认开启1mss + poll_timeout=nearbase_num*US_TO_PHY_TIMER_COUNT(DELAY_BETWEEN_TWO_FRAME_UUS)+US_TO_PHY_TIMER_COUNT(RESP_RX_TIMEOUT_US);//多一个多0.4ms默认0.4ms计算为0.125*4*100000,默认开启1mss end_receive_count=start_receive_count+poll_timeout; + if(end_receive_count>=UINT32_MAX) {end_receive_count-=UINT32_MAX;} current_count=phy_timer_count_get(); + count_index=end_receive_count+HALF_SECOND_TIME; +// if(tt){ while(current_count<end_receive_count||current_count>end_receive_count+HALF_SECOND_TIME)//循环接受包体,若为124.8K则是+62400000 { @@ -433,7 +440,7 @@ if(receive_flag==1)//成功接收数据 { receive_flag=0; - + tempflag=uwb_rx(0, 0, RESP_RX_TIMEOUT_US);//立即开启接受并设置0超时 //接收成功则判断是否为同一组 if (rx_buf[MESSAGE_TYPE_IDX] == MBX_RESPONSE&&!memcmp(&rx_buf[TAG_ID_IDX],&dev_id,2)&&rx_buf[GROUP_ID_IDX]==group_id) //判断接收到的数据是否是response数据 { @@ -455,10 +462,10 @@ //break;//成功接收就退出 } - tempflag=uwb_rx(0, 0, RESP_RX_TIMEOUT_US);//立即开启接受并设置0超时 - #ifdef BOXING - gpio_pin_clr(IO_PIN_5);//测试 - #endif + +// #ifdef BOXING +// gpio_pin_clr(IO_PIN_5);//测试 +// #endif }else if(receive_flag==2){//接收出错 receive_flag=0; tempflag=uwb_rx(0, 0, RESP_RX_TIMEOUT_US);//立即开启接受并设置0超时 @@ -466,12 +473,17 @@ // while(mac_is_busy()); temp_count1=phy_timer_count_get(); } - #ifdef BOXING + #ifdef BOXING gpio_pin_clr(IO_PIN_5);//测试 + gpio_pin_set(IO_PIN_5);//测试 #endif } -// delay_us(1); -// uwb_rx_force_off(1); +// } + #ifdef BOXING + gpio_pin_clr(IO_PIN_5);//测试 + #endif + delay_us(1); + uwb_rx_force_off(1); //dwt_forecetrxoff(); CalculateDists(poll_tx_ts_i64); //计算距离并更新距离表 AnchorListUpdate();//更新存活基站列表 -- Gitblit v1.9.3