data send from nrf52832 to nrf24l01p

Question

Hello,

Can I send data from nrf52832 to nrf24l01p? If yes, please suggest me the simple code for it. I tried to send data but it failed. Here is my piece of code :

Transmitter side (nRF52832)
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "sdk_common.h"
#include "nrf.h"
#include "nrf_esb.h"
#include "nrf_error.h"
#include "nrf_esb_error_codes.h"
#include "nrf_delay.h"
#include "nrf_gpio.h"
#include "boards.h"
#include "nrf_delay.h"
#include "app_util.h"

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

static nrf_esb_payload_t        tx_payload = NRF_ESB_CREATE_PAYLOAD(0, 0x01, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00);

static nrf_esb_payload_t        rx_payload;

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("TX SUCCESS EVENT");
            break;
        case NRF_ESB_EVENT_TX_FAILED:
            NRF_LOG_INFO("TX FAILED EVENT");
            (void) nrf_esb_flush_tx();
            (void) nrf_esb_start_tx();
            break;
        case NRF_ESB_EVENT_RX_RECEIVED:
            NRF_LOG_INFO("RX RECEIVED EVENT");
            while (nrf_esb_read_rx_payload(&rx_payload) == NRF_SUCCESS)
            {
                if (rx_payload.length > 0)
                {
                    NRF_LOG_INFO("RX RECEIVED PAYLOAD");
                }
            }
            break;
    }
}


void clocks_start( void )
{
    NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
    NRF_CLOCK->TASKS_HFCLKSTART = 1;

    while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0);
}


void gpio_init( void )
{
    nrf_gpio_range_cfg_output(8, 15);
    bsp_board_init(BSP_INIT_LEDS);
}


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 };

    nrf_esb_config_t nrf_esb_config         = NRF_ESB_LEGACY_CONFIG;
    nrf_esb_config.protocol                 = NRF_ESB_PROTOCOL_ESB;
    nrf_esb_config.retransmit_delay         = 600;
    nrf_esb_config.bitrate                  = NRF_ESB_BITRATE_2MBPS;
    nrf_esb_config.event_handler            = nrf_esb_event_handler;
    nrf_esb_config.mode                     = NRF_ESB_MODE_PTX;
    nrf_esb_config.selective_auto_ack       = false;

    err_code = nrf_esb_init(&nrf_esb_config);

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

    return err_code;
}


int main(void)
{
    ret_code_t err_code;

    gpio_init();

    err_code = NRF_LOG_INIT(NULL);
    APP_ERROR_CHECK(err_code);

    NRF_LOG_DEFAULT_BACKENDS_INIT();

    clocks_start();

    err_code = esb_init();
    APP_ERROR_CHECK(err_code);

    NRF_LOG_INFO("Enhanced ShockBurst Transmitter Example started.");
	
		uint32_t c_channel = 0;
		nrf_esb_get_rf_channel(&c_channel);
		NRF_LOG_INFO("Channel %d", c_channel);
		NRF_LOG_FLUSH();
	
    while (true)
    {
        NRF_LOG_INFO("Transmitting packet %02x", tx_payload.data[1]);

        tx_payload.noack = false;
        if (nrf_esb_write_payload(&tx_payload) == NRF_SUCCESS)
        {
            // Toggle one of the LEDs.
            nrf_gpio_pin_write(LED_1, !(tx_payload.data[1]%8>0 && tx_payload.data[1]%8<=4));
            nrf_gpio_pin_write(LED_2, !(tx_payload.data[1]%8>1 && tx_payload.data[1]%8<=5));
            nrf_gpio_pin_write(LED_3, !(tx_payload.data[1]%8>2 && tx_payload.data[1]%8<=6));
            nrf_gpio_pin_write(LED_4, !(tx_payload.data[1]%8>3));
            tx_payload.data[1]++;
        }
        else
        {
            NRF_LOG_WARNING("Sending packet failed");
        }

        nrf_delay_ms(200);
				
				if (NRF_LOG_PROCESS() == false)
        {
            __WFE();
        }
    }
}


Receiver side(nRF24l01p)

#include <nRF24L01.h>
#include <RF24.h>
#include <printf.h>
//#define address "0xE7E7E7E7"
RF24 radio(10, 9); // CE, CSN
//const byte address[6] = "IT002";
const byte address[] = {0xE7, 0xE7, 0xE7, 0xE7};
//const byte address[] = {0xC2, 0xC2, 0xC2, 0xC2, 0xC2};
void setup() {
  Serial.begin(19200);
  printf_begin();
  radio.begin();
  radio.setChannel(0);
//  radio.setRetries(1, 1);
//  radio.setCRCLength(1);
  radio.setPayloadSize(32);
  radio.openReadingPipe(0, address);
  radio.setPALevel(RF24_PA_MAX);
  radio.startListening();
}
void loop() {
//  Serial.println(radio.getCRCLength());
  if (radio.available()) {
    Serial.println("Avail");
    char text[32] = "";
    radio.read(&text, sizeof(text));
    Serial.println(text);
//    delayMicroseconds(200);
      Serial.println(radio.testRPD());
  }
  else{
    Serial.println("Not available");
//    radio.printDetails();
}
//  Serial.println(radio.testRPD());
}

awneil · Accepted Answer

Rajkumar said: Here is working code if anybody needs 
 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:

data send from nrf52832 to nrf24l01p

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