论坛 › 基础知识 › 【独家框架】UWB DWM1000 开源项目框架

szx123 发表于 2021-4-7 21:00:23

感谢 感谢 感谢 感谢 感谢 感谢 感谢 感谢

linchenfeng 发表于 2021-4-8 19:29:44

新手入门，学习

1987584265 发表于 2021-4-8 22:02:30

谢谢楼主，谢谢楼主分享

BUCS11 发表于 2021-4-9 15:25:40

感谢分享 谢谢楼主

qibo0920 发表于 2021-4-15 20:51:01

感谢感谢

随风飘零翼 发表于 2021-4-20 21:32:20

感谢分享:)

jackliu 发表于 2021-4-26 14:16:38

分享学习，不错，顶一个先。

ghfUWB 发表于 2021-4-27 20:57:49

谢谢楼主分享

gardenTED 发表于 2021-4-28 10:51:41

int dwt_initialise(uint16 config)
{
        uint8 plllockdetect = EC_CTRL_PLLLCK;
        uint16 otp_addr = 0;
        uint32 ldo_tune = 0;

    dw1000local.dblbuffon = 0; // Double buffer mode off by default
    dw1000local.prfIndex = 0; // 16MHz
    dw1000local.cdata.aatset = 0; // Auto ACK bit not set
    dw1000local.wait4resp = 0;
    dw1000local.sleep_mode = 0;

    dw1000local.dwt_txcallback = NULL ;
    dw1000local.dwt_rxcallback = NULL ;

    // Read and validate device ID return -1 if not recognised
    dw1000local.deviceID =dwt_readdevid() ;
    if (DWT_DEVICE_ID != dw1000local.deviceID) // MP IC ONLY (i.e. DW1000) FOR THIS CODE
    {
            GPIO_ResetBits(GPIOA,GPIO_Pin_1);
                GPIO_ResetBits(GPIOA,GPIO_Pin_2);
      return DWT_ERROR ;
    }

    _dwt_enableclocks(FORCE_SYS_XTI); // NOTE: set system clock to XTI - this is necessary to make sure the values read by _dwt_otpread are reliable

        // Configure the CPLL lock detect
        dwt_writetodevice(EXT_SYNC_ID, EC_CTRL_OFFSET, 1, &plllockdetect);

        // Read OTP revision number
        otp_addr = _dwt_otpread(XTRIM_ADDRESS) & 0xffff;      // Read 32 bit value, XTAL trim val is in low octet-0 (5 bits)
        dw1000local.otprev = (otp_addr >> 8) & 0xff;                        // OTP revision is next byte

    // Load LDO tune from OTP and kick it if there is a value actually programmed.
    ldo_tune = _dwt_otpread(LDOTUNE_ADDRESS);
        if((ldo_tune & 0xFF) != 0)
        {
                uint8 ldok = OTP_SF_LDO_KICK;
                // Kick LDO tune
                dwt_writetodevice(OTP_IF_ID, OTP_SF, 1, &ldok); // Set load LDE kick bit
                dw1000local.sleep_mode |= AON_WCFG_ONW_LLDO; // LDO tune must be kicked at wake-up
        }

    // Load Part and Lot ID from OTP
    dw1000local.partID = _dwt_otpread(PARTID_ADDRESS);
    dw1000local.lotID = _dwt_otpread(LOTID_ADDRESS);

    // XTAL trim value is set in OTP for DW1000 module and EVK/TREK boards but that might not be the case in a custom design
    dw1000local.xtrim = otp_addr & 0x1F;
    if (!dw1000local.xtrim) // A value of 0 means that the crystal has not been trimmed
    {
      dw1000local.xtrim = FS_XTALT_MIDRANGE ; // Set to mid-range if no calibration value inside
    }
    // Configure XTAL trim
    dwt_xtaltrim(dw1000local.xtrim);

    // Load leading edge detect code
    if(config & DWT_LOADUCODE)
        {
      _dwt_loaducodefromrom();
      dw1000local.sleep_mode |= AON_WCFG_ONW_LLDE; // microcode must be loaded at wake-up
        }
        else // Should disable the LDERUN enable bit in 0x36, 0x4
        {
                uint16 rega = dwt_read16bitoffsetreg(PMSC_ID, PMSC_CTRL1_OFFSET+1) ;
                rega &= 0xFDFF ; // Clear LDERUN bit
                dwt_write16bitoffsetreg(PMSC_ID, PMSC_CTRL1_OFFSET+1, rega) ;
        }

    _dwt_enableclocks(ENABLE_ALL_SEQ); // Enable clocks for sequencing

    // Read system register / store local copy
    dw1000local.sysCFGreg = dwt_read32bitreg(SYS_CFG_ID) ; // Read sysconfig register

    return DWT_SUCCESS ;

} // end dwt_initialise()

Jerry 发表于 2021-5-7 09:01:24

学习一下，最近一直在研究UWB

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