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CC1101 868频段有官方收发程序吗?

Other Parts Discussed in Thread: CC1101

CC1101   868频段有官方收发程序吗?

  • 您可以在http://www.ti.com.cn/product/cn/CC1101/toolssoftware下载相关例程

  • 亲爱的TI技术支持,您们好:

        我司在使用贵司的cc1101时出现以下问题,请在有空的时候帮忙解决下,谢谢;

       CC1101发射端(FSK调制方式)使用FIFO发送数据,频率偏移19khz,速率1.2kpbs,接收端(FSK调制方式),频率偏移380.85khz,RX filter BW为812.5khz,接收端速率设置为1.2kbps时(和发射端一样),异步直通模式下,GDO0端口输出的高低电平数据能够看到有效数据波形(比如能清晰的看到引导、同步头等等),当接收端速率设置为其他速率时,GDO0输出的波形就会不正确了,宽度都和1.2kbps下的电平宽度不一样,请问接收端有效数据与速率有关是什么原因造成的,我看官网的手册都说只与RX filter BW有关,请问有哪种情况会造成这种错误

        接收端配置如下:

    {CC1101_FSCTRL0, 0x00},
    {CC1101_FSCTRL1, 0x08},
    {CC1101_FSCTRL0, 0x00},
    {CC1101_FREQ2, 0x10},//433.92
    {CC1101_FREQ1, 0xB0},
    {CC1101_FREQ0, 0x71},
    //{CC1101_FREQ0, 0x3f},
    {CC1101_MDMCFG4, 0x0C},//1.2kbps 0xE9
    //{CC1101_MDMCFG3, 0x83},//0x43
    //{CC1101_MDMCFG4, 0x05},//1.2kbps 0xE9
    //{CC1101_MDMCFG3, 0x83},//0x43
    //{CC1101_MDMCFG4, 0x0B},// 0x05速率:100Kb,接收滤波带宽:812.5KHZ 0xEA
    //{CC1101_MDMCFG3, 0xF8},//0x83
    //{CC1101_MDMCFG4, 0x2B},// 0x05速率:100Kb,接收滤波带宽:541KHZ 0xEA
    //{CC1101_MDMCFG3, 0xF8},//0x83
    {CC1101_MDMCFG2, 0x03}, 
    {CC1101_MDMCFG1, 0x22},
    {CC1101_MDMCFG0, 0xF8},
    {CC1101_CHANNR, 0x00},
    //{CC1101_DEVIATN, 0x34},//0x34
    {CC1101_DEVIATN, 0x77},//0x34
    {CC1101_FREND1, 0x56},
    {CC1101_FREND0, 0x10},
    {CC1101_MCSM0, 0x18},
    {CC1101_FOCCFG, 0x16},
    {CC1101_BSCFG, 0x6C},
    {CC1101_AGCCTRL2, 0x43},
    {CC1101_AGCCTRL1, 0x40},
    {CC1101_AGCCTRL0, 0x91},
    {CC1101_FSCAL3, 0xE9},
    //{CC1101_FSCAL3, 0xEA},
    {CC1101_FSCAL2, 0x2A},
    {CC1101_FSCAL1, 0x00},
    {CC1101_FSCAL0, 0x1f},
    {CC1101_FSTEST, 0x59},
    {CC1101_TEST2, 0x81},
    {CC1101_TEST1, 0x35},
    {CC1101_TEST0, 0x09},
    {CC1101_IOCFG2, 0x0D},
    {CC1101_IOCFG0, 0x0D},
    {CC1101_PKTCTRL1, 0x04},
    {CC1101_PKTCTRL0, 0x32},//使能串行异步模式
    {CC1101_ADDR, 0x00},
    {CC1101_FREND0, 0x11},
    {CC1101_PKTLEN, 0x0B},