Modified main.c of BLE_Gateway example.

main.c

/***********************************************************************************
Copyright (c) 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 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 other
  contributors to this software may be used to endorse or promote products
  derived from this software without specific prior written permission.

  4. This software must only be used in a processor manufactured by Nordic
  Semiconductor ASA, or in a processor manufactured by a third party that
  is used in combination with a processor manufactured by Nordic Semiconductor.


THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "rbc_mesh.h"

#include "nrf_adv_conn.h"
#include "led_config.h"
#include "mesh_aci.h"

#include "softdevice_handler.h"
#include "app_error.h"
#include "nrf_gpio.h"
#include "boards.h"
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>

#include "app_uart.h"
#include "app_error.h"
#include "nrf_delay.h"
#include "nrf.h"

/* Debug macros for debugging with logic analyzer */
#define SET_PIN(x) NRF_GPIO->OUTSET = (1 << (x))
#define CLEAR_PIN(x) NRF_GPIO->OUTCLR = (1 << (x))
#define TICK_PIN(x) do { SET_PIN((x)); CLEAR_PIN((x)); }while(0)

//#define MESH_ACCESS_ADDR        (0xA541A68F)
#define MESH_ACCESS_ADDR        (0xA541A68E)
#define MESH_INTERVAL_MIN_MS    (100)
#define MESH_CHANNEL            (38)
#define MESH_HANDLE_COUNT       (2)

//#define ENABLE_LOOPBACK_TEST  /**< if defined, then this example will be a loopback test, which means that TX should be connected to RX to get data loopback. */

#define MAX_TEST_DATA_BYTES     (15U)                /**< max number of test bytes to be used for tx and rx. */
#define UART_TX_BUF_SIZE 256                         /**< UART TX buffer size. */
#define UART_RX_BUF_SIZE 1                           /**< UART RX buffer size. */


/**
* @brief General error handler.
*/
static void error_loop(void)
{
    led_config(3, 1);   
    while (true)
    {
    }
}

/**
* @brief Softdevice crash handler, never returns
* 
* @param[in] pc Program counter at which the assert failed
* @param[in] line_num Line where the error check failed 
* @param[in] p_file_name File where the error check failed
*/
void sd_assert_handler(uint32_t pc, uint16_t line_num, const uint8_t* p_file_name)
{
    error_loop();
}

/**
* @brief App error handle callback. Called whenever an APP_ERROR_CHECK() fails.
*   Never returns.
* 
* @param[in] error_code The error code sent to APP_ERROR_CHECK()
* @param[in] line_num Line where the error check failed 
* @param[in] p_file_name File where the error check failed
*/
void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name)
{
    error_loop();
}

void HardFault_Handler(void)
{
    error_loop();
}

/**
* @brief Softdevice event handler 
*/
uint32_t sd_evt_handler(void)
{
    rbc_mesh_sd_irq_handler();
    
    ble_evt_t ble_evt;
    uint16_t len = sizeof(ble_evt);
    while (sd_ble_evt_get((uint8_t*) &ble_evt, &len) == NRF_SUCCESS)
    {
        nrf_adv_conn_evt_handler(&ble_evt);
    }
    return NRF_SUCCESS;
}
/**
* @brief RBC_MESH framework event handler. Defined in rbc_mesh.h. Handles
*   events coming from the mesh. Sets LEDs according to data
*
* @param[in] evt RBC event propagated from framework
*/
void rbc_mesh_event_handler(rbc_mesh_event_t* evt)
{
    TICK_PIN(28);
    switch (evt->event_type)
    {
        case RBC_MESH_EVENT_TYPE_CONFLICTING_VAL:
        case RBC_MESH_EVENT_TYPE_NEW_VAL:
        case RBC_MESH_EVENT_TYPE_UPDATE_VAL:
            if (evt->value_handle > 2)
                break;
	    for(int i = 0; i <8; i++)
		while(app_uart_put(evt->data[i])!=NRF_SUCCESS);
            //led_config(evt->value_handle, evt->data[0]);
            break;
        case RBC_MESH_EVENT_TYPE_TX:
            break;
        case RBC_MESH_EVENT_TYPE_INITIALIZED:
            /* init BLE gateway softdevice application: */
            nrf_adv_conn_init();
            break;
    }
}


/**
* @brief Initialize GPIO pins, for LEDs and debugging
*/
void gpio_init(void)
{
    nrf_gpio_range_cfg_output(LED_START, LED_STOP);
    
    for (uint32_t i = 0; i < LEDS_NUMBER; ++i)
    {
        nrf_gpio_pin_set(LED_START + i);
    }
    
#if defined(BOARD_PCA10001) || defined(BOARD_PCA10028)
    nrf_gpio_range_cfg_output(0, 32);
#endif

#ifdef BOARD_PCA10028
    #ifdef BUTTONS
        nrf_gpio_cfg_input(BUTTON_1, NRF_GPIO_PIN_PULLUP);
        nrf_gpio_cfg_input(BUTTON_2, NRF_GPIO_PIN_PULLUP);
        nrf_gpio_cfg_input(BUTTON_3, NRF_GPIO_PIN_PULLUP);
        nrf_gpio_cfg_input(BUTTON_4, NRF_GPIO_PIN_PULLUP);
    #endif
#endif

}

void uart_error_handle(app_uart_evt_t * p_event)
{
    if (p_event->evt_type == APP_UART_COMMUNICATION_ERROR)
    {
        APP_ERROR_HANDLER(p_event->data.error_communication);
    }
    else if (p_event->evt_type == APP_UART_FIFO_ERROR)
    {
        APP_ERROR_HANDLER(p_event->data.error_code);
    }
}



#ifdef ENABLE_LOOPBACK_TEST
/** @brief Function for setting the @ref ERROR_PIN high, and then enter an infinite loop.
 */
static void show_error(void)
{
    
    LEDS_ON(LEDS_MASK);
    while(true)
    {
        // Do nothing.
    }
}


/** @brief Function for testing UART loop back. 
 *  @details Transmitts one character at a time to check if the data received from the loopback is same as the transmitted data.
 *  @note  @ref TX_PIN_NUMBER must be connected to @ref RX_PIN_NUMBER)
 */
static void uart_loopback_test()
{
    uint8_t * tx_data = (uint8_t *)("\n\rLOOPBACK_TEST\n\r");
    uint8_t   rx_data;

    // Start sending one byte and see if you get the same
    for (uint32_t i = 0; i < MAX_TEST_DATA_BYTES; i++)
    {
        uint32_t err_code;
        while(app_uart_put(tx_data[i]) != NRF_SUCCESS);

        nrf_delay_ms(10);
        err_code = app_uart_get(&rx_data);

        if ((rx_data != tx_data[i]) || (err_code != NRF_SUCCESS))
        {
            show_error();
        }
    }
    return;
}


#endif

void uart_event_handle(app_uart_evt_t * p_event)
{
    static uint8_t data_array[16];
    static uint8_t index = 0;
    uint32_t       err_code;

    switch (p_event->evt_type)
    {
        case APP_UART_DATA_READY:
            UNUSED_VARIABLE(app_uart_get(&data_array[index]));
            index++;
            break;

        case APP_UART_COMMUNICATION_ERROR:
            APP_ERROR_HANDLER(p_event->data.error_communication);
            break;

        case APP_UART_FIFO_ERROR:
            APP_ERROR_HANDLER(p_event->data.error_code);
            break;

        default:
            break;
    }
}


/** @brief main function */
int main(void)
{   
    
    NRF_POWER->RESET = 1;
    /* init leds and pins */
    gpio_init();
    NRF_GPIO->OUTSET = (1 << 4);
    /* Enable Softdevice (including sd_ble before framework */
    SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_75_PPM, sd_evt_handler);
    
#ifdef RBC_MESH_SERIAL

    /* only want to enable serial interface, and let external host setup the framework */
    mesh_aci_init();

#else
    rbc_mesh_init_params_t init_params;

    init_params.access_addr = MESH_ACCESS_ADDR;
    init_params.interval_min_ms = MESH_INTERVAL_MIN_MS;
    init_params.channel = MESH_CHANNEL;
    init_params.handle_count = MESH_HANDLE_COUNT;
    init_params.packet_format = RBC_MESH_PACKET_FORMAT_ORIGINAL;
    init_params.radio_mode = RBC_MESH_RADIO_MODE_BLE_1MBIT;
    
    uint32_t error_code = rbc_mesh_init(init_params);
    APP_ERROR_CHECK(error_code);
   
    nrf_gpio_cfg_output(15);
    uint32_t err_code;
     led_config(3, 1);
    const app_uart_comm_params_t comm_params =
      {
          RX_PIN_NUMBER,
          TX_PIN_NUMBER,
          RTS_PIN_NUMBER,
          CTS_PIN_NUMBER,
          APP_UART_FLOW_CONTROL_DISABLED,
          false,
          UART_BAUDRATE_BAUDRATE_Baud9600
      };

    APP_UART_FIFO_INIT(&comm_params,
                         UART_RX_BUF_SIZE,
                         UART_TX_BUF_SIZE,
                         uart_error_handle,
                         APP_IRQ_PRIORITY_LOW,
                         err_code);

     APP_ERROR_CHECK(err_code);

    /* request values for both LEDs on the mesh */
    for (uint32_t i = 0; i < MESH_HANDLE_COUNT; ++i)
    {
        error_code = rbc_mesh_value_enable(i + 1);
        APP_ERROR_CHECK(error_code);
    }

    /* init BLE gateway softdevice application: */
    nrf_adv_conn_init();

#endif
    NRF_GPIO->OUTCLR = (1 << 4);

#if !(defined(BUTTONS))
    /* sleep */
    while (true)
    {
        sd_app_evt_wait();
    }
    
#else
    uint8_t mesh_data[16] = {0,0};
    while (true)
    {
        // red off
        if(nrf_gpio_pin_read(BUTTON_1) == 0)
        {
            while(nrf_gpio_pin_read(BUTTON_1) == 0);
            mesh_data[0] = 0;
            rbc_mesh_value_set(1, mesh_data, 1);
            led_config(1, 0);
        }
        // red on
        if(nrf_gpio_pin_read(BUTTON_2) == 0)
        {
            while(nrf_gpio_pin_read(BUTTON_2) == 0);
            mesh_data[0] = 1;
            rbc_mesh_value_set(1, mesh_data, 1);
            led_config(1, 1);
        }
        // green off 
        if(nrf_gpio_pin_read(BUTTON_3) == 0)
        {
            while(nrf_gpio_pin_read(BUTTON_3) == 0);
            mesh_data[0] = 0;
            rbc_mesh_value_set(2, mesh_data, 1);
            led_config(2, 0);
        }
        // green on
         if(nrf_gpio_pin_read(BUTTON_4) == 0)
        {
            while(nrf_gpio_pin_read(BUTTON_4) == 0);
            mesh_data[0] = 1;
            rbc_mesh_value_set(2, mesh_data, 1);
            led_config(2, 1);
        }
    }
#endif

}