| | |
| | | /* Configure DW1000. See NOTE 6 below. */ |
| | | dwt_configure(&config);//配置DW1000 |
| | | |
| | | 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); |
| | | // 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); |
| | | |
| | | |
| | | /* Apply default antenna delay value. See NOTE 1 below. */ |
| | | dwt_setrxantennadelay(RX_ANT_DLY); //设置接收天线延迟 |
| | | dwt_settxantennadelay(TX_ANT_DLY); //设置发射天线延迟 |
| | | |
| | | dwt_setrxtimeout(1000);//设定接收超时时间,0位没有超时时间 |
| | | dwt_rxenable(0);//打开接收 |
| | | // dwt_setrxtimeout(1000);//设定接收超时时间,0位没有超时时间 |
| | | // dwt_rxenable(0);//打开接收 |
| | | // uwbid=dwt_readdevid(); |
| | | /* Set expected response's delay and timeout. See NOTE 4 and 5 below. |
| | | * As this example only handles one incoming frame with always the same delay and timeout, those values can be set here once for all. */ |
| | |
| | | u32 id; |
| | | void UWB_Wkup(void) |
| | | { |
| | | |
| | | u8 iderror_count = 0; |
| | | SPIx_CS_GPIO->BRR = SPIx_CS; |
| | | delay_us(600); |
| | | SPIx_CS_GPIO->BSRR = SPIx_CS; |
| | | id = dwt_readdevid() ; |
| | | while (0xDECA0130!=id) |
| | | { |
| | | u8 iderror_count = 0; |
| | | |
| | | id = dwt_readdevid() ; |
| | | if(iderror_count++>100) |
| | | { |
| | | iderror_count=0; |
| | | printf("UWB芯片ID错误\r\n"); |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | uint8_t uwb_errorflag; |
| | | void UWB_RXON() |
| | | { |
| | | if(!uwb_errorflag) |
| | | { |
| | | // Dw1000_Init(); |
| | | UWB_Wkup(); |
| | | // dwt_forcetrxoff(); |
| | | // 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), 0); |
| | | // delay_ms(1); |
| | | |
| | | 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); |
| | | dwt_setrxtimeout(0);//设定接收超时时间,0位没有超时时间 |
| | | dwt_rxenable(0); |
| | | // HAL_NVIC_EnableIRQ(EXTI4_15_IRQn); |
| | | } |
| | | } |
| | | void UWB_RXOFF() |
| | | { |
| | | if(!uwb_errorflag) |
| | | { |
| | | 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), 0); |
| | | dwt_forcetrxoff(); |
| | | delay_ms(1); |
| | | dwt_entersleep(); |
| | | // HAL_NVIC_DisableIRQ(EXTI4_15_IRQn); |
| | | } |
| | | } |