| | |
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| | | NEARPOLL, |
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| | | SINGLEPOLL, |
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| | | }tag_state=STARTPOLL; |
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| | | static dwt_config_t config = { |
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| | | dwt_config_t config = { |
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| | | 2, /* Channel number. */ |
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| | | DWT_PRF_64M, /* Pulse repetition frequency. */ |
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| | | DWT_PLEN_128, /* Preamble length. */ |
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| | |
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| | | /* Apply default antenna delay value. See NOTE 1 below. */ |
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| | | dwt_setrxantennadelay(RX_ANT_DLY); //设置接收天线延迟 |
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| | | dwt_settxantennadelay(TX_ANT_DLY); //设置发射天线延迟 |
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| | | |
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| | | /* Set expected response's delay and timeout. See NOTE 4 and 5 below. |
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| | | * As this example only handles one incoming frame with always the same delay and timeout, those values can be set here once for all. */ |
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| | | //设置接收超时时间 |
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| | |
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| | | void Tag_App(void)//发送模式(TAG标签) |
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| | | { |
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| | | |
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| | | //LED0_ON; |
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| | | SPIx_CS_GPIO->BRR = SPIx_CS; |
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| | | delay_us(700); |
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| | | SPIx_CS_GPIO->BSRR = SPIx_CS; |
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| | | id = dwt_readdevid() ; |
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| | | while (DWT_DEVICE_ID != id) |
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| | | { |
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| | | // Dw1000_Init(); |
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| | | id = dwt_readdevid() ; |
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| | | IdleTask(); |
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| | | if(error_times++>20) |
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| | | { |
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| | | printf("DW ID ERROR.\r\n"); |
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| | | SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软复位回到bootloader |
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| | | } |
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| | | } |
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| | | // //LED0_ON; |
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| | | // SPIx_CS_GPIO->BRR = SPIx_CS; |
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| | | // delay_us(700); |
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| | | // SPIx_CS_GPIO->BSRR = SPIx_CS; |
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| | | // id = dwt_readdevid() ; |
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| | | // while (DWT_DEVICE_ID != id) |
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| | | // { |
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| | | // // Dw1000_Init(); |
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| | | // id = dwt_readdevid() ; |
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| | | // IdleTask(); |
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| | | // if(error_times++>20) |
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| | | // { |
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| | | // printf("DW ID ERROR.\r\n"); |
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| | | // SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软复位回到bootloader |
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| | | // } |
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| | | // } |
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| | | Dw1000_Init(); |
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| | | error_times = 0; |
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| | | switch(tag_state) |
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| | | { |
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| | |
|---|
| | | break; |
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| | | } |
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| | | userkey_state = !GET_USERKEY; |
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| | | dwt_entersleep(); |
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| | | dwt_forcetrxoff(); |
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| | | dwt_setinterrupt( DWT_INT_RFCG | (DWT_INT_ARFE | DWT_INT_RFSL | DWT_INT_SFDT | DWT_INT_RPHE | DWT_INT_RFCE | DWT_INT_RFTO | DWT_INT_RXPTO), 1); |
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| | | dwt_setrxtimeout(0);//设定接收超时时间，0位没有超时时间 |
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| | | dwt_rxenable(0); |
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| | | //dwt_entersleep(); |
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| | | } |
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