RE: data send from nrf52832 to nrf24l01p

awneil — Sat, 04 May 2019 11:07:14 GMT

[quote userid="62609" url="~/f/nordic-q-a/46701/data-send-from-nrf52832-to-nrf24l01p/185278"]Here is working code if anybody needs[/quote]

Thanks for feeding back.

It will also help people needing it if you Verify the Answer - then they can see that the problem was actually resolved:

RE: data send from nrf52832 to nrf24l01p

Rajkumar — Sat, 04 May 2019 07:17:18 GMT

Hello,

I got help and be able to send/receive data between above mentioned nRFs.

Here is working code if anybody needs:

nrf52832 as Receiver

/**
 * Copyright (c) 2014 - 2019, Nordic Semiconductor ASA
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
 *    conditions and the following disclaimer in the documentation and/or other
 *    materials provided with the distribution.
 *
 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
 *
 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 *
 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
#include "nrf_esb.h"

#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "sdk_common.h"
#include "nrf.h"
#include "nrf_esb_error_codes.h"
#include "nrf_delay.h"
#include "nrf_gpio.h"
#include "nrf_error.h"
#include "boards.h"

#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"

#define LED_ON          0
#define LED_OFF         1

#define NRF_ESB_LEGACY

/*lint -save -esym(40, BUTTON_1) -esym(40, BUTTON_2) -esym(40, BUTTON_3) -esym(40, BUTTON_4) -esym(40, LED_1) -esym(40, LED_2) -esym(40, LED_3) -esym(40, LED_4) */

static nrf_esb_payload_t tx_payload;
static nrf_esb_payload_t rx_payload;
static uint8_t m_state[4];
uint8_t led_nr;

void nrf_esb_event_handler(nrf_esb_evt_t const * p_event)
{
    switch (p_event->evt_id)
    {
        case NRF_ESB_EVENT_TX_SUCCESS:
            NRF_LOG_INFO("SUCCESS");
            break;
        case NRF_ESB_EVENT_TX_FAILED:
            NRF_LOG_INFO("FAILED");
            (void) nrf_esb_flush_tx();
            break;
        case NRF_ESB_EVENT_RX_RECEIVED:
            while (nrf_esb_read_rx_payload(&rx_payload) == NRF_SUCCESS) ;
            NRF_LOG_INFO("Receiving packet: %x", rx_payload.data[0]);
            NRF_LOG_INFO("Receiving RSSI: %x", rx_payload.rssi);

            switch (rx_payload.data[0] & 0xFUL)
            {
                case 0x1:
                    m_state[0] = !m_state[0];
                    nrf_gpio_pin_write(LED_1, m_state[0]);
                    break;

                case 0x2:
                    m_state[1] = !m_state[1];
                    nrf_gpio_pin_write(LED_2, m_state[1]);
                    break;

                case 0x4:
                    m_state[2] = !m_state[2];
                    nrf_gpio_pin_write(LED_3, m_state[2]);
                    break;

                case 0x8:
                    m_state[3] = !m_state[3];
                    nrf_gpio_pin_write(LED_4, m_state[3]);
                    break;
            }

            nrf_gpio_pin_write(LED_1, m_state[0]);
            nrf_gpio_pin_write(LED_2, m_state[1]);
            nrf_gpio_pin_write(LED_3, m_state[2]);
            nrf_gpio_pin_write(LED_4, m_state[3]);

            tx_payload.length = 32;
            tx_payload.data[0] = m_state[0] << 0
                               | m_state[1] << 1
                               | m_state[2] << 2
                               | m_state[3] << 3;
            (void) nrf_esb_write_payload(&tx_payload);

            NRF_LOG_DEBUG("Queue transmitt packet: %02x", tx_payload.data[0]);
            break;
    }
}


void clocks_start( void )
{
    // Start HFCLK and wait for it to start.
    NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
    NRF_CLOCK->TASKS_HFCLKSTART = 1;
    while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0);
}


uint32_t esb_init( void )
{
    uint32_t err_code;
    uint8_t base_addr_0[4] = {0xE7, 0xE7, 0xE7, 0xE7};
    uint8_t base_addr_1[4] = {0xC2, 0xC2, 0xC2, 0xC2};
    uint8_t addr_prefix[8] = {0xE7, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8 };

#ifndef NRF_ESB_LEGACY
    nrf_esb_config_t nrf_esb_config         = NRF_ESB_DEFAULT_CONFIG;
#else // NRF_ESB_LEGACY
    nrf_esb_config_t nrf_esb_config         = NRF_ESB_LEGACY_CONFIG;
#endif // NRF_ESB_LEGACY
    nrf_esb_config.selective_auto_ack       = 0;
    nrf_esb_config.payload_length           = 32;
    nrf_esb_config.bitrate                  = NRF_ESB_BITRATE_2MBPS;
    nrf_esb_config.mode                     = NRF_ESB_MODE_PRX;
    nrf_esb_config.event_handler            = nrf_esb_event_handler;

    err_code = nrf_esb_init(&nrf_esb_config);
    VERIFY_SUCCESS(err_code);

    err_code = nrf_esb_set_rf_channel(0); 
    VERIFY_SUCCESS(err_code);

    err_code = nrf_esb_set_base_address_0(base_addr_0);
    VERIFY_SUCCESS(err_code);

    err_code = nrf_esb_set_base_address_1(base_addr_1);
    VERIFY_SUCCESS(err_code);

    err_code = nrf_esb_set_prefixes(addr_prefix, 8);
    VERIFY_SUCCESS(err_code);

    tx_payload.length = 32;

    return NRF_SUCCESS;
}

void gpio_init( void )
{
    m_state[0] = LED_OFF;
    m_state[1] = LED_OFF;
    m_state[2] = LED_OFF;
    m_state[3] = LED_OFF;

    //nrf_gpio_range_cfg_output(8, 31);
    bsp_board_init(BSP_INIT_LEDS);

    nrf_gpio_pin_write(LED_1, m_state[0]);
    nrf_gpio_pin_write(LED_2, m_state[1]);
    nrf_gpio_pin_write(LED_3, m_state[2]);
    nrf_gpio_pin_write(LED_4, m_state[3]);
}


uint32_t logging_init( void )
{
    uint32_t err_code;
    err_code = NRF_LOG_INIT(NULL);

    NRF_LOG_DEFAULT_BACKENDS_INIT();

    return err_code;
}


void power_manage( void )
{
    // WFE - SEV - WFE sequence to wait until a radio event require further actions.
    __WFE();
    __SEV();
    __WFE();
}


int main(void)
{
    uint32_t err_code;
    err_code = logging_init();
    APP_ERROR_CHECK(err_code);
    gpio_init();
    err_code = esb_init();
    APP_ERROR_CHECK(err_code);
    clocks_start();

    NRF_LOG_INFO("Enhanced ShockBurst Receiver Example started.");

    err_code = nrf_esb_start_rx();
    APP_ERROR_CHECK(err_code);

    tx_payload.data[0] = m_state[0] << 0
                       | m_state[1] << 1
                       | m_state[2] << 2
                       | m_state[3] << 3;
    err_code = nrf_esb_write_payload(&tx_payload);
    APP_ERROR_CHECK(err_code);

    while (true)
    {
        if (NRF_LOG_PROCESS() == false)
        {
            power_manage();
        }
    }
}
/*lint -restore */

nrf24l01 as Transmitter:

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
#include "printf.h"

RF24 radio(10, 9);
int packetCounter = 0;
//uint8_t incoming_data = 0;
uint8_t incoming_data[32] = {0xDE, 0x00, 0xA0, 0x1D, 0xCE, 0xEE, 0xFF, 0xD6, 0xAF, 0x1F, 0xF0, 0x0E, 0x1A, 0x2C, 0x3F, 0x4F, 0xEF, 0xDE, 0x00, 0xA0, 0x1D, 0xCE, 0xEE, 0xFF, 0xD6, 0xAF, 0x1F, 0xF0, 0x0E, 0x1A, 0x2C, 0x3F};
//uint8_t incoming_data[] = {0x05, 0x01, 0x02};
uint8_t message[1];

//int64_t pipe_adress[2] = {0xB3B4B5B601, 0x00E7E7E7E7};
int64_t pipe_adress[2] = {0xE7E7E7E7E7,0xC2C2C2C2C2};

void setupRadio()
{
  radio.begin();
  radio.setRetries(15, 15);
  radio.setChannel(0);
  radio.setCRCLength(2);
  radio.setPayloadSize(32);
  radio.setDataRate(RF24_2MBPS);
  radio.setPALevel(RF24_PA_MAX);
  radio.setAutoAck(true);
//  radio.enableDynamicPayloads();
//  radio.openReadingPipe(0, pipe_adress[0]);
//  radio.openReadingPipe(1, pipe_adress[1]);

  radio.openWritingPipe(pipe_adress[0]);
//  radio.openWritingPipe(1, pipe_adress[1]);
  radio.stopListening();
//  radio.startListening();
  radio.printDetails();
}

void setup() {
  Serial.begin(19200);
  Serial.println("SETUP");
  Serial.println(sizeof(incoming_data));
  printf_begin();

  setupRadio();
}
 uint8_t i = 5;
void loop() {
 
//Serial.println("SUCCESS    ");
    if(radio.write(incoming_data, sizeof(incoming_data))){
      Serial.println("SUCCESS    ");
       Serial.println("SUCCESS    ");
      }
  delay(500);
//  incoming_data[0] = i ++;
}

RE: data send from nrf52832 to nrf24l01p

Rajkumar — Sat, 04 May 2019 07:12:10 GMT

Thank you for your help this really helpful for me.

RE: data send from nrf52832 to nrf24l01p

Simonr — Mon, 29 Apr 2019 09:05:49 GMT

Hi Raj

This should be possible. This link should be helpful for backwards ESB communication.

Best regards,

Simon