shoes/yj/work/19.主从一体串口/examples/proprietary_rf/esb_ptx/main.c

/**
 * Copyright (c) 2014 - 2019, Nordic Semiconductor ASA
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 * All rights reserved.
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 *
 * 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
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 *    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
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#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, 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_DEBUG("TX SUCCESS EVENT");
            break;
        case NRF_ESB_EVENT_TX_FAILED:
            NRF_LOG_DEBUG("TX FAILED EVENT");
            (void) nrf_esb_flush_tx();
            (void) nrf_esb_start_tx();
            break;
        case NRF_ESB_EVENT_RX_RECEIVED:
            NRF_LOG_DEBUG("RX RECEIVED EVENT");
            while (nrf_esb_read_rx_payload(&rx_payload) == NRF_SUCCESS)
            {
                if (rx_payload.length > 0)
                {
                    NRF_LOG_DEBUG("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_DEFAULT_CONFIG;
    nrf_esb_config.protocol                 = NRF_ESB_PROTOCOL_ESB_DPL;
    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);

    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_DEBUG("Enhanced ShockBurst Transmitter Example started.");

    while (true)
    {
        NRF_LOG_DEBUG("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_us(50000);
    }
}