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want nrf24l01 communication with nrf51822

hello,will you please tell me which code i have to use in the sdk 12.2.0 for rf communication with nrf51822 and nrf24l01 .and also tell me which settings i have to do for nrf24l01 side as a transmitter.so that i can receive data on nrf51822 side.

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  • Hi Pallavi

    The ESB library in the nRF5 SDK v12.2.0 is designed to be backwards compatible with the nRF24L01/nRF24L01+, assuming you don't use the L01 device in legacy Shockburst mode (ACK's disabled).

    On the nRF5 side you can use the esb_ptx and esb_prx examples as a starting point: \nRF5_SDK_12.2.0\examples\proprietary_rf\

    For this to work you need the following settings on the nRF24L01 side:
    Default address (0xE7E7E7E7E7), with 5 byte address length
    16-bit CRC
    2Mbps bitrate
    Auto ACK and dynamic payload length enabled

    For all other settings you can use the default values.

    Edit: Added attachment.

    Best regards
    Torbjørn

  • hello sir, these are the details aftyer executing printDetails(); function

    STATUS		 = 0x0e RX_DR=0 TX_DS=0 MAX_RT=0 RX_P_NO=7 TX_FULL=0
    RX_ADDR_P0-1	 = 0xe7e7e7e7e7 0xc2c2c2c2c2
    RX_ADDR_P2-5	 = 0xc3 0xc4 0xc5 0xc6
    TX_ADDR		 = 0xe7e7e7e7e7
    RX_PW_P0-6	 = 0x01 0x00 0x00 0x00 0x00 0x00
    EN_AA		 = 0x3f
    EN_RXADDR	 = 0x03
    RF_CH		 = 0x4c
    RF_SETUP	 = 0x0f
    CONFIG		 = 0x0e
    DYNPD/FEATURE	 = 0x3f 0x06
    Data Rate	 = 2MBPS
    Model		 = nRF24L01+
    CRC Length	 = 16 bits
    PA Power	 = PA_MAX
    

    Pallavi

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  • hello sir, these are the details aftyer executing printDetails(); function

    STATUS		 = 0x0e RX_DR=0 TX_DS=0 MAX_RT=0 RX_P_NO=7 TX_FULL=0
    RX_ADDR_P0-1	 = 0xe7e7e7e7e7 0xc2c2c2c2c2
    RX_ADDR_P2-5	 = 0xc3 0xc4 0xc5 0xc6
    TX_ADDR		 = 0xe7e7e7e7e7
    RX_PW_P0-6	 = 0x01 0x00 0x00 0x00 0x00 0x00
    EN_AA		 = 0x3f
    EN_RXADDR	 = 0x03
    RF_CH		 = 0x4c
    RF_SETUP	 = 0x0f
    CONFIG		 = 0x0e
    DYNPD/FEATURE	 = 0x3f 0x06
    Data Rate	 = 2MBPS
    Model		 = nRF24L01+
    CRC Length	 = 16 bits
    PA Power	 = PA_MAX
    

    Pallavi

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