From 70af01e8de04f743f69c97048285c23e5234aa6f Mon Sep 17 00:00:00 2001
From: root <root@lamia.panaceas.james.local>
Date: Mon, 7 Sep 2015 13:14:46 +0100
Subject: working_bracelet

---
 bsp/ble400.h      | 112 +++++++++
 bsp/boards.h      |  62 +++++
 bsp/bracelet.h    | 101 +++++++++
 bsp/bsp.c         | 665 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 bsp/bsp.h         | 330 +++++++++++++++++++++++++++
 bsp/bsp_btn_ble.c | 240 ++++++++++++++++++++
 bsp/bsp_btn_ble.h |  72 ++++++
 bsp/pca10028.h    | 113 ++++++++++
 8 files changed, 1695 insertions(+)
 create mode 100644 bsp/ble400.h
 create mode 100644 bsp/boards.h
 create mode 100644 bsp/bracelet.h
 create mode 100644 bsp/bsp.c
 create mode 100644 bsp/bsp.h
 create mode 100644 bsp/bsp_btn_ble.c
 create mode 100644 bsp/bsp_btn_ble.h
 create mode 100644 bsp/pca10028.h

(limited to 'bsp')

diff --git a/bsp/ble400.h b/bsp/ble400.h
new file mode 100644
index 0000000..4c8866b
--- /dev/null
+++ b/bsp/ble400.h
@@ -0,0 +1,112 @@
+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+#ifndef BLE400_H
+#define BLE400_H
+
+// LEDs definitions for BLE400
+#define LEDS_NUMBER    4
+
+#define LED_START      18
+#define LED_0          18
+#define LED_1          19
+#define LED_2          20
+#define LED_3          21
+#define LED_4          22
+#define LED_STOP       22
+
+#define LEDS_LIST { LED_0, LED_1, LED_2, LED_3, LED_4 }
+
+#define BSP_LED_0      LED_0
+#define BSP_LED_1      LED_1
+#define BSP_LED_2      LED_2
+#define BSP_LED_3      LED_3
+#define BSP_LED_4      LED_4
+
+#define BSP_LED_0_MASK (1<<BSP_LED_0)
+#define BSP_LED_1_MASK (1<<BSP_LED_1)
+#define BSP_LED_2_MASK (1<<BSP_LED_2)
+#define BSP_LED_3_MASK (1<<BSP_LED_3)
+#define BSP_LED_4_MASK (1<<BSP_LED_4)
+
+#define LEDS_MASK      (BSP_LED_0_MASK | BSP_LED_1_MASK | BSP_LED_2_MASK | BSP_LED_3_MASK | BSP_LED_4_MASK )
+/* all LEDs are lit when GPIO is low */
+#define LEDS_INV_MASK  LEDS_MASK
+
+#define BUTTONS_NUMBER 2
+
+#define BUTTON_START   16
+#define BUTTON_1       16
+#define BUTTON_2       17
+#define BUTTON_STOP    17
+#define BUTTON_PULL    NRF_GPIO_PIN_PULLUP
+
+#define BUTTONS_LIST { BUTTON_1, BUTTON_2 }
+
+#define BSP_BUTTON_0   BUTTON_1
+#define BSP_BUTTON_1   BUTTON_2
+
+#define BSP_BUTTON_0_MASK (1<<BSP_BUTTON_0)
+#define BSP_BUTTON_1_MASK (1<<BSP_BUTTON_1)
+
+#define BUTTONS_MASK   (BSP_BUTTON_0_MASK|BSP_BUTTON_1_MASK)
+
+#define RX_PIN_NUMBER  11
+#define TX_PIN_NUMBER  9
+#define CTS_PIN_NUMBER 10
+#define RTS_PIN_NUMBER 8
+#define HWFC           true
+
+#if 0
+#define SPIS_MISO_PIN  28    // SPI MISO signal. 
+#define SPIS_CSN_PIN   12    // SPI CSN signal. 
+#define SPIS_MOSI_PIN  25    // SPI MOSI signal. 
+#define SPIS_SCK_PIN   29    // SPI SCK signal. 
+
+#define SPIM0_SCK_PIN       4     /**< SPI clock GPIO pin number. */
+#define SPIM0_MOSI_PIN      1     /**< SPI Master Out Slave In GPIO pin number. */
+#define SPIM0_MISO_PIN      3     /**< SPI Master In Slave Out GPIO pin number. */
+#define SPIM0_SS_PIN        2     /**< SPI Slave Select GPIO pin number. */
+
+#define SPIM1_SCK_PIN       15     /**< SPI clock GPIO pin number. */
+#define SPIM1_MOSI_PIN      12     /**< SPI Master Out Slave In GPIO pin number. */
+#define SPIM1_MISO_PIN      14     /**< SPI Master In Slave Out GPIO pin number. */
+#define SPIM1_SS_PIN        13     /**< SPI Slave Select GPIO pin number. */
+
+// serialization APPLICATION board
+#define SER_APP_RX_PIN              12    // UART RX pin number.
+#define SER_APP_TX_PIN              13    // UART TX pin number.
+#define SER_APP_CTS_PIN             15    // UART Clear To Send pin number.
+#define SER_APP_RTS_PIN             14    // UART Request To Send pin number.
+
+#define SER_APP_SPIM0_SCK_PIN       29     // SPI clock GPIO pin number.
+#define SER_APP_SPIM0_MOSI_PIN      25     // SPI Master Out Slave In GPIO pin number
+#define SER_APP_SPIM0_MISO_PIN      28     // SPI Master In Slave Out GPIO pin number
+#define SER_APP_SPIM0_SS_PIN        12     // SPI Slave Select GPIO pin number
+#define SER_APP_SPIM0_RDY_PIN       14     // SPI READY GPIO pin number
+#define SER_APP_SPIM0_REQ_PIN       13     // SPI REQUEST GPIO pin number
+
+// serialization CONNECTIVITY board
+#define SER_CON_RX_PIN              13    // UART RX pin number.
+#define SER_CON_TX_PIN              12    // UART TX pin number.
+#define SER_CON_CTS_PIN             14    // UART Clear To Send pin number. Not used if HWFC is set to false.
+#define SER_CON_RTS_PIN             15    // UART Request To Send pin number. Not used if HWFC is set to false.
+
+
+#define SER_CON_SPIS_SCK_PIN        29    // SPI SCK signal.
+#define SER_CON_SPIS_MOSI_PIN       25    // SPI MOSI signal.
+#define SER_CON_SPIS_MISO_PIN       28    // SPI MISO signal.
+#define SER_CON_SPIS_CSN_PIN        12    // SPI CSN signal.
+#define SER_CON_SPIS_RDY_PIN        14    // SPI READY GPIO pin number.
+#define SER_CON_SPIS_REQ_PIN        13    // SPI REQUEST GPIO pin number.
+#endif
+
+#endif // BLE400_H
diff --git a/bsp/boards.h b/bsp/boards.h
new file mode 100644
index 0000000..1470007
--- /dev/null
+++ b/bsp/boards.h
@@ -0,0 +1,62 @@
+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+#ifndef BOARDS_H
+#define BOARDS_H
+
+#include <sdk/drivers_nrf/hal/nrf_gpio.h>
+
+#if defined(BOARD_NRF6310)
+  #include "nrf6310.h"
+#elif defined(BOARD_PCA10000)
+  #include "pca10000.h"
+#elif defined(BOARD_PCA10001)
+  #include "pca10001.h"
+#elif defined(BOARD_PCA10002)
+  #include "pca10000.h"
+#elif defined(BOARD_PCA10003)
+  #include "pca10003.h"
+#elif defined(BOARD_PCA20006)
+  #include "pca20006.h"
+#elif defined(BOARD_PCA10028)
+  #include "pca10028.h"
+#elif defined(BOARD_PCA10031)
+  #include "pca10031.h"
+#elif defined(BOARD_WT51822)
+  #include "wt51822.h"
+#elif defined(BOARD_BLE400)
+  #include "ble400.h"
+#elif defined(BOARD_BRACELET)
+  #include "bracelet.h"
+#elif defined(BOARD_CUSTOM)
+  #include "custom_board.h"
+#else
+#error "Board is not defined"
+#endif
+
+#define LEDS_OFF(leds_mask) do {  NRF_GPIO->OUTSET = (leds_mask) & (LEDS_MASK & LEDS_INV_MASK); \
+                            NRF_GPIO->OUTCLR = (leds_mask) & (LEDS_MASK & ~LEDS_INV_MASK); } while (0)
+
+#define LEDS_ON(leds_mask) do {  NRF_GPIO->OUTCLR = (leds_mask) & (LEDS_MASK & LEDS_INV_MASK); \
+                           NRF_GPIO->OUTSET = (leds_mask) & (LEDS_MASK & ~LEDS_INV_MASK); } while (0)
+
+#define LED_IS_ON(leds_mask) ((leds_mask) & (NRF_GPIO->OUT ^ LEDS_INV_MASK) )
+
+#define LEDS_INVERT(leds_mask) do { uint32_t gpio_state = NRF_GPIO->OUT;      \
+                              NRF_GPIO->OUTSET = ((leds_mask) & ~gpio_state); \
+                              NRF_GPIO->OUTCLR = ((leds_mask) & gpio_state); } while (0)
+
+#define LEDS_CONFIGURE(leds_mask) do { uint32_t pin;                  \
+                                  for (pin = 0; pin < 32; pin++) \
+                                      if ( (leds_mask) & (1 << pin) )   \
+                                          nrf_gpio_cfg_output(pin); } while (0)
+
+#endif
diff --git a/bsp/bracelet.h b/bsp/bracelet.h
new file mode 100644
index 0000000..dc1e7d0
--- /dev/null
+++ b/bsp/bracelet.h
@@ -0,0 +1,101 @@
+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+#ifndef BLE400_H
+#define BLE400_H
+
+// LEDs definitions for BLE400
+#define LEDS_NUMBER    1
+
+#define LED_START      22
+#define LED_0          22
+#define LED_STOP       22
+
+#define LEDS_LIST { LED_0 }
+
+#define BSP_LED_0      LED_0
+
+#define BSP_LED_0_MASK (1<<BSP_LED_0)
+
+#define LEDS_MASK      (BSP_LED_0_MASK)
+
+/* all LEDs are lit when GPIO is low */
+#define LEDS_INV_MASK  LEDS_MASK
+
+#define BUTTONS_NUMBER 2
+
+#define BUTTON_START   3
+#define BUTTON_1       3
+#define BUTTON_2       4
+#define BUTTON_STOP    4
+#define BUTTON_PULL    NRF_GPIO_PIN_NOPULL
+
+#define BUTTONS_LIST { BUTTON_1, BUTTON_2 }
+
+#define BSP_BUTTON_0   BUTTON_1
+#define BSP_BUTTON_1   BUTTON_2
+
+#define BSP_BUTTON_0_MASK (1<<BSP_BUTTON_0)
+#define BSP_BUTTON_1_MASK (1<<BSP_BUTTON_1)
+
+#define BUTTONS_MASK   (BSP_BUTTON_0_MASK|BSP_BUTTON_1_MASK)
+
+#define RX_PIN_NUMBER  18
+#define TX_PIN_NUMBER  19
+//#define CTS_PIN_NUMBER 10
+//#define RTS_PIN_NUMBER 8
+#define HWFC           false
+
+#if 0
+#define SPIS_MISO_PIN  28    // SPI MISO signal. 
+#define SPIS_CSN_PIN   12    // SPI CSN signal. 
+#define SPIS_MOSI_PIN  25    // SPI MOSI signal. 
+#define SPIS_SCK_PIN   29    // SPI SCK signal. 
+
+#define SPIM0_SCK_PIN       4     /**< SPI clock GPIO pin number. */
+#define SPIM0_MOSI_PIN      1     /**< SPI Master Out Slave In GPIO pin number. */
+#define SPIM0_MISO_PIN      3     /**< SPI Master In Slave Out GPIO pin number. */
+#define SPIM0_SS_PIN        2     /**< SPI Slave Select GPIO pin number. */
+
+#define SPIM1_SCK_PIN       15     /**< SPI clock GPIO pin number. */
+#define SPIM1_MOSI_PIN      12     /**< SPI Master Out Slave In GPIO pin number. */
+#define SPIM1_MISO_PIN      14     /**< SPI Master In Slave Out GPIO pin number. */
+#define SPIM1_SS_PIN        13     /**< SPI Slave Select GPIO pin number. */
+
+// serialization APPLICATION board
+#define SER_APP_RX_PIN              12    // UART RX pin number.
+#define SER_APP_TX_PIN              13    // UART TX pin number.
+#define SER_APP_CTS_PIN             15    // UART Clear To Send pin number.
+#define SER_APP_RTS_PIN             14    // UART Request To Send pin number.
+
+#define SER_APP_SPIM0_SCK_PIN       29     // SPI clock GPIO pin number.
+#define SER_APP_SPIM0_MOSI_PIN      25     // SPI Master Out Slave In GPIO pin number
+#define SER_APP_SPIM0_MISO_PIN      28     // SPI Master In Slave Out GPIO pin number
+#define SER_APP_SPIM0_SS_PIN        12     // SPI Slave Select GPIO pin number
+#define SER_APP_SPIM0_RDY_PIN       14     // SPI READY GPIO pin number
+#define SER_APP_SPIM0_REQ_PIN       13     // SPI REQUEST GPIO pin number
+
+// serialization CONNECTIVITY board
+#define SER_CON_RX_PIN              13    // UART RX pin number.
+#define SER_CON_TX_PIN              12    // UART TX pin number.
+#define SER_CON_CTS_PIN             14    // UART Clear To Send pin number. Not used if HWFC is set to false.
+#define SER_CON_RTS_PIN             15    // UART Request To Send pin number. Not used if HWFC is set to false.
+
+
+#define SER_CON_SPIS_SCK_PIN        29    // SPI SCK signal.
+#define SER_CON_SPIS_MOSI_PIN       25    // SPI MOSI signal.
+#define SER_CON_SPIS_MISO_PIN       28    // SPI MISO signal.
+#define SER_CON_SPIS_CSN_PIN        12    // SPI CSN signal.
+#define SER_CON_SPIS_RDY_PIN        14    // SPI READY GPIO pin number.
+#define SER_CON_SPIS_REQ_PIN        13    // SPI REQUEST GPIO pin number.
+#endif
+
+#endif // BLE400_H
diff --git a/bsp/bsp.c b/bsp/bsp.c
new file mode 100644
index 0000000..5eb45b0
--- /dev/null
+++ b/bsp/bsp.c
@@ -0,0 +1,665 @@
+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+
+#include "bsp.h"
+#include <stddef.h>
+#include <stdio.h>
+#include <sdk/libraries/util/nordic_common.h>
+#include <sdk/device/nrf.h>
+#include <sdk/drivers_nrf/hal/nrf_gpio.h>
+#include <sdk/softdevice/s130/headers/nrf_error.h>
+
+#ifndef BSP_SIMPLE
+#include <sdk/libraries/timer/app_timer.h>
+#include <sdk/libraries/button/app_button.h>
+#endif // BSP_SIMPLE
+
+#define ADVERTISING_LED_ON_INTERVAL            200
+#define ADVERTISING_LED_OFF_INTERVAL           1800
+
+#define ADVERTISING_DIRECTED_LED_ON_INTERVAL   200
+#define ADVERTISING_DIRECTED_LED_OFF_INTERVAL  200
+
+#define ADVERTISING_WHITELIST_LED_ON_INTERVAL  200
+#define ADVERTISING_WHITELIST_LED_OFF_INTERVAL 800
+
+#define ADVERTISING_SLOW_LED_ON_INTERVAL       400
+#define ADVERTISING_SLOW_LED_OFF_INTERVAL      4000
+
+#define BONDING_INTERVAL                       100
+
+#define SENT_OK_INTERVAL                       100
+#define SEND_ERROR_INTERVAL                    500
+
+#define RCV_OK_INTERVAL                        100
+#define RCV_ERROR_INTERVAL                     500
+
+#define ALERT_INTERVAL                         200
+
+#if LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+static bsp_indication_t m_stable_state        = BSP_INDICATE_IDLE;
+static uint32_t         m_app_ticks_per_100ms = 0;
+static uint32_t         m_indication_type     = 0;
+static app_timer_id_t   m_leds_timer_id;
+static app_timer_id_t   m_alert_timer_id;
+#endif // LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+
+#if BUTTONS_NUMBER > 0
+#ifndef BSP_SIMPLE
+static bsp_event_callback_t   m_registered_callback         = NULL;
+static bsp_button_event_cfg_t m_events_list[BUTTONS_NUMBER] = {{BSP_EVENT_NOTHING, BSP_EVENT_NOTHING}};
+
+static app_timer_id_t   m_button_timer_id;
+static void bsp_button_event_handler(uint8_t pin_no, uint8_t button_action);
+#endif // BSP_SIMPLE
+
+static const uint32_t m_buttons_list[BUTTONS_NUMBER] = BUTTONS_LIST;
+
+#ifndef BSP_SIMPLE
+static const app_button_cfg_t app_buttons[BUTTONS_NUMBER] =
+{
+    #ifdef BSP_BUTTON_0
+    {BSP_BUTTON_0, false, BUTTON_PULL, bsp_button_event_handler},
+    #endif // BUTTON_0
+
+    #ifdef BSP_BUTTON_1
+    {BSP_BUTTON_1, false, BUTTON_PULL, bsp_button_event_handler},
+    #endif // BUTTON_1
+
+    #ifdef BSP_BUTTON_2
+    {BSP_BUTTON_2, false, BUTTON_PULL, bsp_button_event_handler},
+    #endif // BUTTON_2
+
+    #ifdef BSP_BUTTON_3
+    {BSP_BUTTON_3, false, BUTTON_PULL, bsp_button_event_handler},
+    #endif // BUTTON_3
+
+    #ifdef BSP_BUTTON_4
+    {BSP_BUTTON_4, false, BUTTON_PULL, bsp_button_event_handler},
+    #endif // BUTTON_4
+
+    #ifdef BSP_BUTTON_5
+    {BSP_BUTTON_5, false, BUTTON_PULL, bsp_button_event_handler},
+    #endif // BUTTON_5
+
+    #ifdef BSP_BUTTON_6
+    {BSP_BUTTON_6, false, BUTTON_PULL, bsp_button_event_handler},
+    #endif // BUTTON_6
+
+    #ifdef BSP_BUTTON_7
+    {BSP_BUTTON_7, false, BUTTON_PULL, bsp_button_event_handler},
+    #endif // BUTTON_7
+};
+#endif // BSP_SIMPLE
+#endif // BUTTONS_NUMBER > 0
+
+#define BSP_MS_TO_TICK(MS) (m_app_ticks_per_100ms * (MS / 100))
+
+#ifdef BSP_LED_0_MASK
+#define ALERT_LED_MASK BSP_LED_0_MASK
+#else
+#define ALERT_LED_MASK BSP_LED_0_MASK
+#endif // LED_2_MASK
+
+uint32_t bsp_buttons_state_get(uint32_t * p_buttons_state)
+{
+    uint32_t result = NRF_SUCCESS;
+
+    *p_buttons_state = 0;
+#if BUTTONS_NUMBER > 0
+    uint32_t buttons = ~NRF_GPIO->IN;
+    uint32_t cnt;
+
+    for (cnt = 0; cnt < BUTTONS_NUMBER; cnt++)
+    {
+        if (buttons & (1 << m_buttons_list[cnt]))
+        {
+            *p_buttons_state |= 1 << cnt;
+        }
+    }
+#endif // BUTTONS_NUMBER > 0
+
+    return result;
+}
+
+
+uint32_t bsp_button_is_pressed(uint32_t button, bool * p_state)
+{
+#if BUTTONS_NUMBER > 0
+    if(button < BUTTONS_NUMBER)
+    {
+        uint32_t buttons = ~NRF_GPIO->IN;
+        *p_state = (buttons & (1 << m_buttons_list[button])) ? true : false;
+    }
+    else
+    {
+        *p_state = false;
+    }
+#else
+    *p_state = false;
+#endif // BUTTONS_NUMBER > 0
+    return NRF_SUCCESS;
+}
+
+
+#if (BUTTONS_NUMBER > 0) && !(defined BSP_SIMPLE)
+/**@brief Function for handling button events.
+ *
+ * @param[in]   pin_no          The pin number of the button pressed.
+ * @param[in]   button_action   Action button.
+ */
+static void bsp_button_event_handler(uint8_t pin_no, uint8_t button_action)
+{
+    bsp_event_t        event  = BSP_EVENT_NOTHING;
+    uint32_t           button = 0;
+    uint32_t           err_code;
+    static uint8_t     current_long_push_pin_no;              /**< Pin number of a currently pushed button, that could become a long push if held long enough. */
+    static bsp_event_t release_event_at_push[BUTTONS_NUMBER]; /**< Array of what the release event of each button was last time it was pushed, so that no release event is sent if the event was bound after the push of the button. */
+
+    while ((button < BUTTONS_NUMBER) && (m_buttons_list[button] != pin_no))
+    {
+        button++;
+    }
+
+    if (button < BUTTONS_NUMBER)
+    {
+        switch(button_action)
+        {
+            case APP_BUTTON_PUSH:
+                event = m_events_list[button].push_event;
+                if (m_events_list[button].long_push_event != BSP_EVENT_NOTHING)
+                {
+                    err_code = app_timer_start(m_button_timer_id, BSP_MS_TO_TICK(BSP_LONG_PUSH_TIMEOUT_MS), (void*)&current_long_push_pin_no);
+                    if (err_code == NRF_SUCCESS)
+                    {
+                        current_long_push_pin_no = pin_no;
+                    }
+                }
+                release_event_at_push[button] = m_events_list[button].release_event;
+                break;
+            case APP_BUTTON_RELEASE:
+                (void)app_timer_stop(m_button_timer_id);
+                if (release_event_at_push[button] == m_events_list[button].release_event)
+                {
+                    event = m_events_list[button].release_event;
+                }
+                break;
+            case BSP_BUTTON_ACTION_LONG_PUSH:
+                event = m_events_list[button].long_push_event;
+        }
+    }
+
+    if ((event != BSP_EVENT_NOTHING) && (m_registered_callback != NULL))
+    {
+        m_registered_callback(event);
+    }
+}
+
+/**@brief Handle events from button timer.
+ *
+ * @param[in]   p_context   parameter registered in timer start function.
+ */
+static void button_timer_handler(void * p_context)
+{
+    bsp_button_event_handler(*(uint8_t *)p_context, BSP_BUTTON_ACTION_LONG_PUSH);
+}
+
+
+#endif // (BUTTONS_NUMBER > 0) && !(defined BSP_SIMPLE)
+
+#if LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+/**@brief       Configure leds to indicate required state.
+ * @param[in]   indicate   State to be indicated.
+ */
+static uint32_t bsp_led_indication(bsp_indication_t indicate)
+{
+    uint32_t err_code   = NRF_SUCCESS;
+    uint32_t next_delay = 0;
+
+    switch (indicate)
+    {
+        case BSP_INDICATE_IDLE:
+            LEDS_OFF(LEDS_MASK & ~ALERT_LED_MASK);
+            m_stable_state = indicate;
+            break;
+
+        case BSP_INDICATE_SCANNING:
+        case BSP_INDICATE_ADVERTISING:
+            LEDS_OFF(LEDS_MASK & ~BSP_LED_0_MASK & ~ALERT_LED_MASK);
+
+            // in advertising blink LED_0
+            if (LED_IS_ON(BSP_LED_0_MASK))
+            {
+                LEDS_OFF(BSP_LED_0_MASK);
+                next_delay = indicate ==
+                             BSP_INDICATE_ADVERTISING ? ADVERTISING_LED_OFF_INTERVAL :
+                             ADVERTISING_SLOW_LED_OFF_INTERVAL;
+            }
+            else
+            {
+                LEDS_ON(BSP_LED_0_MASK);
+                next_delay = indicate ==
+                             BSP_INDICATE_ADVERTISING ? ADVERTISING_LED_ON_INTERVAL :
+                             ADVERTISING_SLOW_LED_ON_INTERVAL;
+            }
+
+            m_stable_state = indicate;
+            err_code       = app_timer_start(m_leds_timer_id, BSP_MS_TO_TICK(next_delay), NULL);
+            break;
+
+        case BSP_INDICATE_ADVERTISING_WHITELIST:
+            LEDS_OFF(LEDS_MASK & ~BSP_LED_0_MASK & ~ALERT_LED_MASK);
+
+            // in advertising quickly blink LED_0
+            if (LED_IS_ON(BSP_LED_0_MASK))
+            {
+                LEDS_OFF(BSP_LED_0_MASK);
+                next_delay = indicate ==
+                             BSP_INDICATE_ADVERTISING_WHITELIST ?
+                             ADVERTISING_WHITELIST_LED_OFF_INTERVAL :
+                             ADVERTISING_SLOW_LED_OFF_INTERVAL;
+            }
+            else
+            {
+                LEDS_ON(BSP_LED_0_MASK);
+                next_delay = indicate ==
+                             BSP_INDICATE_ADVERTISING_WHITELIST ?
+                             ADVERTISING_WHITELIST_LED_ON_INTERVAL :
+                             ADVERTISING_SLOW_LED_ON_INTERVAL;
+            }
+            m_stable_state = indicate;
+            err_code       = app_timer_start(m_leds_timer_id, BSP_MS_TO_TICK(next_delay), NULL);
+            break;
+
+        case BSP_INDICATE_ADVERTISING_SLOW:
+            LEDS_OFF(LEDS_MASK & ~BSP_LED_0_MASK & ~ALERT_LED_MASK);
+
+            // in advertising slowly blink LED_0
+            if (LED_IS_ON(BSP_LED_0_MASK))
+            {
+                LEDS_OFF(BSP_LED_0_MASK);
+                next_delay = indicate ==
+                             BSP_INDICATE_ADVERTISING_SLOW ? ADVERTISING_SLOW_LED_OFF_INTERVAL :
+                             ADVERTISING_SLOW_LED_OFF_INTERVAL;
+            }
+            else
+            {
+                LEDS_ON(BSP_LED_0_MASK);
+                next_delay = indicate ==
+                             BSP_INDICATE_ADVERTISING_SLOW ? ADVERTISING_SLOW_LED_ON_INTERVAL :
+                             ADVERTISING_SLOW_LED_ON_INTERVAL;
+            }
+            m_stable_state = indicate;
+            err_code       = app_timer_start(m_leds_timer_id, BSP_MS_TO_TICK(next_delay), NULL);
+            break;
+
+        case BSP_INDICATE_ADVERTISING_DIRECTED:
+            LEDS_OFF(LEDS_MASK & ~BSP_LED_0_MASK & ~ALERT_LED_MASK);
+
+            // in advertising very quickly blink LED_0
+            if (LED_IS_ON(BSP_LED_0_MASK))
+            {
+                LEDS_OFF(BSP_LED_0_MASK);
+                next_delay = indicate ==
+                             BSP_INDICATE_ADVERTISING_DIRECTED ?
+                             ADVERTISING_DIRECTED_LED_OFF_INTERVAL :
+                             ADVERTISING_SLOW_LED_OFF_INTERVAL;
+            }
+            else
+            {
+                LEDS_ON(BSP_LED_0_MASK);
+                next_delay = indicate ==
+                             BSP_INDICATE_ADVERTISING_DIRECTED ?
+                             ADVERTISING_DIRECTED_LED_ON_INTERVAL :
+                             ADVERTISING_SLOW_LED_ON_INTERVAL;
+            }
+            m_stable_state = indicate;
+            err_code       = app_timer_start(m_leds_timer_id, BSP_MS_TO_TICK(next_delay), NULL);
+            break;
+
+        case BSP_INDICATE_BONDING:
+            LEDS_OFF(LEDS_MASK & ~BSP_LED_0_MASK & ~ALERT_LED_MASK);
+
+            // in bonding fast blink LED_0
+            if (LED_IS_ON(BSP_LED_0_MASK))
+            {
+                LEDS_OFF(BSP_LED_0_MASK);
+            }
+            else
+            {
+                LEDS_ON(BSP_LED_0_MASK);
+            }
+
+            m_stable_state = indicate;
+            err_code       =
+                app_timer_start(m_leds_timer_id, BSP_MS_TO_TICK(BONDING_INTERVAL), NULL);
+            break;
+
+        case BSP_INDICATE_CONNECTED:
+            LEDS_OFF(LEDS_MASK & ~BSP_LED_0_MASK & ~ALERT_LED_MASK);
+            LEDS_ON(BSP_LED_0_MASK);
+            m_stable_state = indicate;
+            break;
+
+        case BSP_INDICATE_SENT_OK:
+            // when sending shortly invert LED_0
+            LEDS_INVERT(BSP_LED_0_MASK);
+            err_code = app_timer_start(m_leds_timer_id, BSP_MS_TO_TICK(SENT_OK_INTERVAL), NULL);
+            break;
+
+        case BSP_INDICATE_SEND_ERROR:
+            // on receving error invert LED_0 for long time
+            LEDS_INVERT(BSP_LED_0_MASK);
+            err_code = app_timer_start(m_leds_timer_id, BSP_MS_TO_TICK(SEND_ERROR_INTERVAL), NULL);
+            break;
+
+        case BSP_INDICATE_RCV_OK:
+            // when receving shortly invert LED_0
+            LEDS_INVERT(BSP_LED_0_MASK);
+            err_code = app_timer_start(m_leds_timer_id, BSP_MS_TO_TICK(RCV_OK_INTERVAL), NULL);
+            break;
+
+        case BSP_INDICATE_RCV_ERROR:
+            // on receving error invert LED_0 for long time
+            LEDS_INVERT(BSP_LED_0_MASK);
+            err_code = app_timer_start(m_leds_timer_id, BSP_MS_TO_TICK(RCV_ERROR_INTERVAL), NULL);
+            break;
+
+        case BSP_INDICATE_FATAL_ERROR:
+            // on fatal error turn on all leds
+            LEDS_ON(LEDS_MASK);
+            break;
+
+        case BSP_INDICATE_ALERT_0:
+        case BSP_INDICATE_ALERT_1:
+        case BSP_INDICATE_ALERT_2:
+        case BSP_INDICATE_ALERT_3:
+        case BSP_INDICATE_ALERT_OFF:
+            err_code   = app_timer_stop(m_alert_timer_id);
+            next_delay = (uint32_t)BSP_INDICATE_ALERT_OFF - (uint32_t)indicate;
+
+            // a little trick to find out that if it did not fall through ALERT_OFF
+            if (next_delay && (err_code == NRF_SUCCESS))
+            {
+                if (next_delay > 1)
+                {
+                    err_code = app_timer_start(m_alert_timer_id, BSP_MS_TO_TICK(
+                                                   (next_delay * ALERT_INTERVAL)), NULL);
+                }
+                LEDS_ON(ALERT_LED_MASK);
+            }
+            else
+            {
+                LEDS_OFF(ALERT_LED_MASK);
+            }
+            break;
+
+        case BSP_INDICATE_USER_STATE_OFF:
+            LEDS_OFF(LEDS_MASK);
+            m_stable_state = indicate;
+            break;
+
+        case BSP_INDICATE_USER_STATE_0:
+            LEDS_OFF(LEDS_MASK & ~BSP_LED_0_MASK);
+            LEDS_ON(BSP_LED_0_MASK);
+            m_stable_state = indicate;
+            break;
+
+        case BSP_INDICATE_USER_STATE_1:
+            LEDS_OFF(LEDS_MASK & ~BSP_LED_0_MASK);
+            LEDS_ON(BSP_LED_0_MASK);
+            m_stable_state = indicate;
+            break;
+
+        case BSP_INDICATE_USER_STATE_2:
+            LEDS_OFF(LEDS_MASK & ~(BSP_LED_0_MASK | BSP_LED_0_MASK));
+            LEDS_ON(BSP_LED_0_MASK | BSP_LED_0_MASK);
+            m_stable_state = indicate;
+            break;
+
+        case BSP_INDICATE_USER_STATE_3:
+
+        case BSP_INDICATE_USER_STATE_ON:
+            LEDS_ON(LEDS_MASK);
+            m_stable_state = indicate;
+            break;
+
+        default:
+            break;
+    }
+
+    return err_code;
+}
+
+
+/**@brief Handle events from leds timer.
+ *
+ * @note Timer handler does not support returning an error code.
+ * Errors from bsp_led_indication() are not propagated.
+ *
+ * @param[in]   p_context   parameter registered in timer start function.
+ */
+static void leds_timer_handler(void * p_context)
+{
+    UNUSED_PARAMETER(p_context);
+
+    if (m_indication_type & BSP_INIT_LED)
+    {
+        UNUSED_VARIABLE(bsp_led_indication(m_stable_state));
+    }
+}
+
+
+/**@brief Handle events from alert timer.
+ *
+ * @param[in]   p_context   parameter registered in timer start function.
+ */
+static void alert_timer_handler(void * p_context)
+{
+    UNUSED_PARAMETER(p_context);
+    LEDS_INVERT(ALERT_LED_MASK);
+}
+#endif // #if LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+
+
+/**@brief Configure indicators to required state.
+ */
+uint32_t bsp_indication_set(bsp_indication_t indicate)
+{
+    uint32_t err_code = NRF_SUCCESS;
+
+#if LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+
+    if (m_indication_type & BSP_INIT_LED)
+    {
+        err_code = bsp_led_indication(indicate);
+    }
+
+#endif // LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+    return err_code;
+}
+
+
+uint32_t bsp_indication_text_set(bsp_indication_t indicate, char const * p_text)
+{
+    uint32_t err_code = bsp_indication_set(indicate);
+
+#ifdef BSP_UART_SUPPORT
+    printf("%s", p_text);
+#endif // BSP_UART_SUPPORT
+
+    return err_code;
+}
+
+
+uint32_t bsp_init(uint32_t type, uint32_t ticks_per_100ms, bsp_event_callback_t callback)
+{
+    uint32_t err_code = NRF_SUCCESS;
+
+#if LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+    m_app_ticks_per_100ms = ticks_per_100ms;
+    m_indication_type     = type;
+#else
+    UNUSED_VARIABLE(ticks_per_100ms);
+#endif // LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+
+#if (BUTTONS_NUMBER > 0) && !(defined BSP_SIMPLE)
+    m_registered_callback = callback;
+
+    // BSP will support buttons and generate events
+    if (type & BSP_INIT_BUTTONS)
+    {
+        uint32_t num;
+
+        for (num = 0; ((num < BUTTONS_NUMBER) && (err_code == NRF_SUCCESS)); num++)
+        {
+            err_code = bsp_event_to_button_action_assign(num, BSP_BUTTON_ACTION_PUSH, BSP_EVENT_DEFAULT);
+        }
+
+        if (err_code == NRF_SUCCESS)
+        {
+            err_code = app_button_init((app_button_cfg_t *)app_buttons,
+                                       BUTTONS_NUMBER,
+                                       ticks_per_100ms / 2);
+        }
+
+        if (err_code == NRF_SUCCESS)
+        {
+            err_code = app_button_enable();
+        }
+
+        if (err_code == NRF_SUCCESS)
+        {
+            err_code = app_timer_create(&m_button_timer_id,
+                                        APP_TIMER_MODE_SINGLE_SHOT,
+                                        button_timer_handler);
+        }
+    }
+#elif (BUTTONS_NUMBER > 0) && (defined BSP_SIMPLE)
+
+    if (type & BSP_INIT_BUTTONS)
+    {
+        uint32_t cnt;
+        uint32_t buttons[] = BUTTONS_LIST;
+
+        for (cnt = 0; cnt < BUTTONS_NUMBER; cnt++)
+        {
+            nrf_gpio_cfg_input(buttons[cnt], BUTTON_PULL);
+        }
+    }
+#endif // (BUTTONS_NUMBER > 0) && !(defined BSP_SIMPLE)
+
+#if LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+
+    if (type & BSP_INIT_LED)
+    {
+        LEDS_OFF(LEDS_MASK);
+        NRF_GPIO->DIRSET = LEDS_MASK;
+    }
+
+    // timers module must be already initialized!
+    if (err_code == NRF_SUCCESS)
+    {
+        err_code =
+            app_timer_create(&m_leds_timer_id, APP_TIMER_MODE_SINGLE_SHOT, leds_timer_handler);
+    }
+
+    if (err_code == NRF_SUCCESS)
+    {
+        err_code =
+            app_timer_create(&m_alert_timer_id, APP_TIMER_MODE_REPEATED, alert_timer_handler);
+    }
+#endif // LEDS_NUMBER > 0 && !(defined BSP_SIMPLE)
+
+    return err_code;
+}
+
+
+#ifndef BSP_SIMPLE
+/**@brief Assign specific event to button.
+ */
+uint32_t bsp_event_to_button_action_assign(uint32_t button, bsp_button_action_t action, bsp_event_t event)
+{
+    uint32_t err_code = NRF_SUCCESS;
+
+#if BUTTONS_NUMBER > 0
+    if (button < BUTTONS_NUMBER)
+    {
+        if (event == BSP_EVENT_DEFAULT)
+        {
+            // Setting default action: BSP_EVENT_KEY_x for PUSH actions, BSP_EVENT_NOTHING for RELEASE and LONG_PUSH actions.
+            event = (action == BSP_BUTTON_ACTION_PUSH) ? (bsp_event_t)(BSP_EVENT_KEY_0 + button) : BSP_EVENT_NOTHING;
+        }
+        switch (action)
+        {
+            case BSP_BUTTON_ACTION_PUSH:
+                m_events_list[button].push_event = event;
+                break;
+            case BSP_BUTTON_ACTION_LONG_PUSH:
+                m_events_list[button].long_push_event = event;
+                break;
+            case BSP_BUTTON_ACTION_RELEASE:
+                m_events_list[button].release_event = event;
+                break;
+            default:
+                err_code = NRF_ERROR_INVALID_PARAM;
+                break;
+        }
+    }
+    else
+    {
+        err_code = NRF_ERROR_INVALID_PARAM;
+    }
+#else
+    err_code = NRF_ERROR_INVALID_PARAM;
+#endif // BUTTONS_NUMBER > 0
+
+    return err_code;
+}
+
+#endif // BSP_SIMPLE
+
+
+uint32_t bsp_buttons_enable()
+{
+#if (BUTTONS_NUMBER > 0) && !defined(BSP_SIMPLE)
+    return app_button_enable();
+#else
+    return NRF_ERROR_NOT_SUPPORTED;
+#endif
+}
+
+uint32_t bsp_buttons_disable()
+{
+#if (BUTTONS_NUMBER > 0) && !defined(BSP_SIMPLE)
+    return app_button_disable();
+#else
+    return NRF_ERROR_NOT_SUPPORTED;
+#endif
+}
+
+uint32_t bsp_wakeup_buttons_set(uint32_t wakeup_buttons)
+{
+#if (BUTTONS_NUMBER > 0) && !defined(BSP_SIMPLE)
+    for (uint32_t i = 0; i < BUTTONS_NUMBER; i++)
+    {
+        uint32_t new_cnf = NRF_GPIO->PIN_CNF[m_buttons_list[i]];
+        uint32_t new_sense = ((1 << i) & wakeup_buttons) ? GPIO_PIN_CNF_SENSE_Low : GPIO_PIN_CNF_SENSE_Disabled;
+        new_cnf &= ~GPIO_PIN_CNF_SENSE_Msk;
+        new_cnf |= (new_sense << GPIO_PIN_CNF_SENSE_Pos);
+        NRF_GPIO->PIN_CNF[m_buttons_list[i]] = new_cnf;
+    }
+    return NRF_SUCCESS;
+#else
+    return NRF_ERROR_NOT_SUPPORTED;
+#endif
+}
diff --git a/bsp/bsp.h b/bsp/bsp.h
new file mode 100644
index 0000000..d2e61e8
--- /dev/null
+++ b/bsp/bsp.h
@@ -0,0 +1,330 @@
+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+
+/**@file
+ *
+ * @defgroup bsp Board Support Package
+ * @{
+ * @ingroup app_common
+ *
+ * @brief BSP module.
+ * @details This module provides a layer of abstraction from the board.
+ *          It allows the user to indicate certain states on LEDs in a simple way.
+ *          Module functionality can be modified by additional defines:
+ *          - BSP_SIMPLE reduces functionality of this module to enable 
+ *            and read state of the buttons
+ *          - BSP_UART_SUPPORT enables support for UART
+ */
+
+#ifndef BSP_H__
+#define BSP_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "boards.h"
+
+#if !defined(BSP_DEFINES_ONLY) && !defined(BSP_SIMPLE)
+#include <sdk/libraries/button/app_button.h>
+
+#define BSP_BUTTON_ACTION_PUSH      (APP_BUTTON_PUSH)    /**< Represents pushing a button. See @ref bsp_button_action_t. */
+#define BSP_BUTTON_ACTION_RELEASE   (APP_BUTTON_RELEASE) /**< Represents releasing a button. See @ref bsp_button_action_t. */
+#define BSP_BUTTON_ACTION_LONG_PUSH (2)                  /**< Represents pushing and holding a button for @ref BSP_LONG_PUSH_TIMEOUT_MS milliseconds. See also @ref bsp_button_action_t. */
+#endif
+
+/* BSP_UART_SUPPORT
+ * This define enables UART support module.
+ */
+#ifdef BSP_UART_SUPPORT
+#include <sdk/drivers_nrf/uart/app_uart.h>
+#endif // BSP_UART_SUPPORT
+
+#define BUTTON_ERASE_BONDING BSP_BUTTON_0_MASK
+#define BUTTON_ERASE_ALL     BSP_BUTTON_1_MASK
+#define BUTTON_ADVERTISE     BSP_BUTTON_0_MASK
+#define BUTTON_CLEAR_EVT     BSP_BUTTON_1_MASK
+#define BUTTON_CAPSLOCK      BSP_BUTTON_2_MASK
+#define BSP_BUTTONS_ALL      0xFFFFFFFF
+#define BSP_BUTTONS_NONE     0
+
+#if (LEDS_NUMBER > 0) && !defined(BSP_SIMPLE)
+    #define BSP_LED_APP_TIMERS_NUMBER 2
+#else
+    #define BSP_APP_APP_TIMERS_NUMBER 0
+#endif // LEDS_NUMBER > 0
+
+#if (BUTTONS_NUMBER > 0) && !defined(BSP_SIMPLE)
+    #define BSP_BUTTONS_APP_TIMERS_NUMBER 1
+#else
+    #define BSP_BUTTONS_APP_TIMERS_NUMBER 0
+#endif // LEDS_NUMBER > 0
+
+/**@def BSP_APP_TIMERS_NUMBER
+ * Number of @ref app_timer instances required by the BSP module.
+ */
+#define BSP_APP_TIMERS_NUMBER (BSP_LED_APP_TIMERS_NUMBER + BSP_BUTTONS_APP_TIMERS_NUMBER)
+
+/**@brief Types of BSP initialization.
+ */
+#define BSP_INIT_NONE    0        /**< This define specifies the type of initialization without support for LEDs and buttons (@ref bsp_init).*/
+#define BSP_INIT_LED     (1 << 0) /**< This bit enables LEDs during initialization (@ref bsp_init).*/
+#define BSP_INIT_BUTTONS (1 << 1) /**< This bit enables buttons during initialization (@ref bsp_init).*/
+#define BSP_INIT_UART    (1 << 2) /**< This bit enables UART during initialization (@ref bsp_init).*/
+
+#define BSP_LONG_PUSH_TIMEOUT_MS (1000) /**< The time to hold for a long push (in milliseconds). */
+
+typedef uint8_t bsp_button_action_t; /**< The different actions that can be performed on a button. */
+
+#define BSP_INDICATIONS_LIST {                    \
+        "BSP_INDICATE_IDLE\n\r",                  \
+        "BSP_INDICATE_SCANNING\n\r",              \
+        "BSP_INDICATE_ADVERTISING\n\r",           \
+        "BSP_INDICATE_ADVERTISING_WHITELIST\n\r", \
+        "BSP_INDICATE_ADVERTISING_SLOW\n\r",      \
+        "BSP_INDICATE_ADVERTISING_DIRECTED\n\r",  \
+        "BSP_INDICATE_BONDING\n\r",               \
+        "BSP_INDICATE_CONNECTED\n\r",             \
+        "BSP_INDICATE_SENT_OK\n\r",               \
+        "BSP_INDICATE_SEND_ERROR\n\r",            \
+        "BSP_INDICATE_RCV_OK\n\r",                \
+        "BSP_INDICATE_RCV_ERROR\n\r",             \
+        "BSP_INDICATE_FATAL_ERROR\n\r",           \
+        "BSP_INDICATE_ALERT_0\n\r",               \
+        "BSP_INDICATE_ALERT_1\n\r",               \
+        "BSP_INDICATE_ALERT_2\n\r",               \
+        "BSP_INDICATE_ALERT_3\n\r",               \
+        "BSP_INDICATE_ALERT_OFF\n\r",             \
+        "BSP_INDICATE_USER_STATE_OFF\n\r",        \
+        "BSP_INDICATE_USER_STATE_0\n\r",          \
+        "BSP_INDICATE_USER_STATE_1\n\r",          \
+        "BSP_INDICATE_USER_STATE_2\n\r",          \
+        "BSP_INDICATE_USER_STATE_3\n\r",          \
+        "BSP_INDICATE_USER_STATE_ON\n\r"          \
+} /**< See @ref examples_bsp_states for a list of how these states are indicated for the PCA10028 board and the PCA10031 dongle.*/
+
+
+/**@brief BSP indication states.
+ *
+ * @details See @ref examples_bsp_states for a list of how these states are indicated for the PCA10028 board and the PCA10031 dongle.
+ */
+typedef enum
+{
+    BSP_INDICATE_FIRST = 0,
+    BSP_INDICATE_IDLE  = BSP_INDICATE_FIRST, /**< See \ref BSP_INDICATE_IDLE.*/
+    BSP_INDICATE_SCANNING,                   /**< See \ref BSP_INDICATE_SCANNING.*/
+    BSP_INDICATE_ADVERTISING,                /**< See \ref BSP_INDICATE_ADVERTISING.*/
+    BSP_INDICATE_ADVERTISING_WHITELIST,      /**< See \ref BSP_INDICATE_ADVERTISING_WHITELIST.*/
+    BSP_INDICATE_ADVERTISING_SLOW,           /**< See \ref BSP_INDICATE_ADVERTISING_SLOW.*/
+    BSP_INDICATE_ADVERTISING_DIRECTED,       /**< See \ref BSP_INDICATE_ADVERTISING_DIRECTED.*/
+    BSP_INDICATE_BONDING,                    /**< See \ref BSP_INDICATE_BONDING.*/
+    BSP_INDICATE_CONNECTED,                  /**< See \ref BSP_INDICATE_CONNECTED.*/
+    BSP_INDICATE_SENT_OK,                    /**< See \ref BSP_INDICATE_SENT_OK.*/
+    BSP_INDICATE_SEND_ERROR,                 /**< See \ref BSP_INDICATE_SEND_ERROR.*/
+    BSP_INDICATE_RCV_OK,                     /**< See \ref BSP_INDICATE_RCV_OK.*/
+    BSP_INDICATE_RCV_ERROR,                  /**< See \ref BSP_INDICATE_RCV_ERROR.*/
+    BSP_INDICATE_FATAL_ERROR,                /**< See \ref BSP_INDICATE_FATAL_ERROR.*/
+    BSP_INDICATE_ALERT_0,                    /**< See \ref BSP_INDICATE_ALERT_0.*/
+    BSP_INDICATE_ALERT_1,                    /**< See \ref BSP_INDICATE_ALERT_1.*/
+    BSP_INDICATE_ALERT_2,                    /**< See \ref BSP_INDICATE_ALERT_2.*/
+    BSP_INDICATE_ALERT_3,                    /**< See \ref BSP_INDICATE_ALERT_3.*/
+    BSP_INDICATE_ALERT_OFF,                  /**< See \ref BSP_INDICATE_ALERT_OFF.*/
+    BSP_INDICATE_USER_STATE_OFF,             /**< See \ref BSP_INDICATE_USER_STATE_OFF.*/
+    BSP_INDICATE_USER_STATE_0,               /**< See \ref BSP_INDICATE_USER_STATE_0.*/
+    BSP_INDICATE_USER_STATE_1,               /**< See \ref BSP_INDICATE_USER_STATE_1.*/
+    BSP_INDICATE_USER_STATE_2,               /**< See \ref BSP_INDICATE_USER_STATE_2.*/
+    BSP_INDICATE_USER_STATE_3,               /**< See \ref BSP_INDICATE_USER_STATE_3.*/
+    BSP_INDICATE_USER_STATE_ON,              /**< See \ref BSP_INDICATE_USER_STATE_ON.*/
+    BSP_INDICATE_LAST = BSP_INDICATE_USER_STATE_ON
+} bsp_indication_t;
+
+/**@brief BSP events.
+ *
+ * @note Events from BSP_EVENT_KEY_0 to BSP_EVENT_KEY_LAST are by default assigned to buttons.
+ */
+typedef enum
+{
+    BSP_EVENT_NOTHING = 0,                  /**< Assign this event to an action to prevent the action from generating an event (disable the action). */
+    BSP_EVENT_DEFAULT,                      /**< Assign this event to an action to assign the default event to the action. */
+    BSP_EVENT_CLEAR_BONDING_DATA,           /**< Persistent bonding data should be erased. */
+    BSP_EVENT_CLEAR_ALERT,                  /**< An alert should be cleared. */
+    BSP_EVENT_DISCONNECT,                   /**< A link should be disconnected. */
+    BSP_EVENT_ADVERTISING_START,            /**< The device should start advertising. */
+    BSP_EVENT_ADVERTISING_STOP,             /**< The device should stop advertising. */
+    BSP_EVENT_WHITELIST_OFF,                /**< The device should remove its advertising whitelist. */
+    BSP_EVENT_BOND,                         /**< The device should bond to the currently connected peer. */
+    BSP_EVENT_RESET,                        /**< The device should reset. */
+    BSP_EVENT_SLEEP,                        /**< The device should enter sleep mode. */
+    BSP_EVENT_WAKEUP,                       /**< The device should wake up from sleep mode. */
+    BSP_EVENT_DFU,                          /**< The device should enter DFU mode. */
+    BSP_EVENT_KEY_0,                        /**< Default event of the push action of BSP_BUTTON_0 (only if this button is present). */
+    BSP_EVENT_KEY_1,                        /**< Default event of the push action of BSP_BUTTON_1 (only if this button is present). */
+    BSP_EVENT_KEY_2,                        /**< Default event of the push action of BSP_BUTTON_2 (only if this button is present). */
+    BSP_EVENT_KEY_3,                        /**< Default event of the push action of BSP_BUTTON_3 (only if this button is present). */
+    BSP_EVENT_KEY_4,                        /**< Default event of the push action of BSP_BUTTON_4 (only if this button is present). */
+    BSP_EVENT_KEY_5,                        /**< Default event of the push action of BSP_BUTTON_5 (only if this button is present). */
+    BSP_EVENT_KEY_6,                        /**< Default event of the push action of BSP_BUTTON_6 (only if this button is present). */
+    BSP_EVENT_KEY_7,                        /**< Default event of the push action of BSP_BUTTON_7 (only if this button is present). */
+    BSP_EVENT_KEY_LAST = BSP_EVENT_KEY_7,
+} bsp_event_t;
+
+
+typedef struct
+{
+    bsp_event_t push_event;      /**< The event to fire on regular button press. */
+    bsp_event_t long_push_event; /**< The event to fire on long button press. */
+    bsp_event_t release_event;   /**< The event to fire on button release. */
+} bsp_button_event_cfg_t;
+
+/**@brief BSP module event callback function type.
+ *
+ * @details     Upon an event in the BSP module, this callback function will be called to notify
+ *              the application about the event.
+ *
+ * @param[in]   bsp_event_t BSP event type.
+ */
+typedef void (* bsp_event_callback_t)(bsp_event_t);
+
+/**@brief       Function for initializing BSP.
+ *
+ * @details     The function initializes the board support package to allow state indication and
+ *              button reaction. Default events are assigned to buttons.
+ * @note        Before calling this function, you must initiate the following required modules:
+ *              - @ref app_timer for LED support
+ *              - @ref app_gpiote for button support
+ *              - @ref app_uart for UART support
+ *
+ * @param[in]   type               Type of peripherals used.
+ * @param[in]   ticks_per_100ms    Number of RTC ticks for 100 ms.
+ * @param[in]   callback           Function to be called when button press/event is detected.
+ *
+ * @retval      NRF_SUCCESS               If the BSP module was successfully initialized.
+ * @retval      NRF_ERROR_INVALID_STATE   If the application timer module has not been initialized.
+ * @retval      NRF_ERROR_NO_MEM          If the maximum number of timers has already been reached.
+ * @retval      NRF_ERROR_INVALID_PARAM   If GPIOTE has too many users.
+ * @retval      NRF_ERROR_INVALID_STATE   If button or GPIOTE has not been initialized.
+ */
+uint32_t bsp_init(uint32_t type, uint32_t ticks_per_100ms, bsp_event_callback_t callback);
+
+/**@brief       Function for getting buttons states.
+ *
+ * @details     This function allows to get the state of all buttons.
+ *
+ * @param[in]   p_buttons_state          This variable will store buttons state. Button 0 state is
+ *                                       represented by bit 0 (1=pressed), Button 1 state by bit 1,
+ *                                       and so on.
+ *
+ * @retval      NRF_SUCCESS              If buttons state was successfully read.
+ */
+uint32_t bsp_buttons_state_get(uint32_t * p_buttons_state);
+
+/**@brief       Function for checking buttons states.
+ *
+ * @details     This function checks if the button is pressed. If the button ID iss out of range,
+ *              the function returns false.
+ *
+ * @param[in]   button                   Button ID to check.
+ * @param[in]   p_state                  This variable will store the information whether the
+ *                                       specified button is pressed (true) or not.
+ *
+ * @retval      NRF_SUCCESS              If the button state was successfully read.
+ */
+uint32_t bsp_button_is_pressed(uint32_t button, bool * p_state);
+
+/**@brief       Function for assigning a specific event to a button.
+ *
+ * @details     This function allows redefinition of standard events assigned to buttons.
+ *              To unassign events, provide the event @ ref BSP_EVENT_NOTHING.
+ *
+ * @param[in]   button                   Button ID to be redefined.
+ * @param[in]   action                   Button action to assign event to.
+ * @param[in]   event                    Event to be assigned to button.
+ *
+ * @retval      NRF_SUCCESS              If the event was successfully assigned to button.
+ * @retval      NRF_ERROR_INVALID_PARAM  If the button ID or button action was invalid.
+ */
+uint32_t bsp_event_to_button_action_assign(uint32_t button, bsp_button_action_t action, bsp_event_t event);
+
+/**@brief       Function for configuring indicators to required state.
+ *
+ * @details     This function indicates the required state by means of LEDs (if enabled).
+ *
+ * @note        Alerts are indicated independently.
+ *
+ * @param[in]   indicate   State to be indicated.
+ *
+ * @retval      NRF_SUCCESS               If the state was successfully indicated.
+ * @retval      NRF_ERROR_NO_MEM          If the internal timer operations queue was full.
+ * @retval      NRF_ERROR_INVALID_STATE   If the application timer module has not been initialized,
+ *                                        or internal timer has not been created.
+ */
+uint32_t bsp_indication_set(bsp_indication_t indicate);
+
+/**@brief       Function for configuring indicators to required state.
+ *
+ * @details     This function indicates the required state by means of LEDs (if enabled)
+ *              and UART (if enabled).
+ *
+ * @note        Alerts are indicated independently.
+ *
+ * @param[in]   indicate   State to be indicated.
+ * @param[in]   p_text     Text to be output on UART.
+ *
+ * @retval      NRF_SUCCESS               If the state was successfully indicated.
+ * @retval      NRF_ERROR_NO_MEM          If the internal timer operations queue was full.
+ * @retval      NRF_ERROR_INVALID_STATE   If the application timer module has not been initialized,
+ *                                        or timer has not been created.
+ */
+uint32_t bsp_indication_text_set(bsp_indication_t indicate, const char * p_text);
+
+
+/**@brief       Function for enabling all buttons.
+ *
+ * @details     After calling this function, all buttons will generate events when pressed, and
+ *              all buttons will be able to wake the system up from sleep mode.
+ *
+ * @retval      NRF_SUCCESS              If the buttons were successfully enabled.
+ * @retval      NRF_ERROR_NOT_SUPPORTED  If the board has no buttons or BSP_SIMPLE is defined.
+ * @return      A propagated error.
+ */
+uint32_t bsp_buttons_enable(void);
+
+
+/**@brief       Function for disabling all buttons.
+ *
+ * @details     After calling this function, no buttons will generate events when pressed, and
+ *              no buttons will be able to wake the system up from sleep mode.
+ *
+ * @retval      NRF_SUCCESS              If the buttons were successfully disabled.
+ * @retval      NRF_ERROR_NOT_SUPPORTED  If the board has no buttons or BSP_SIMPLE is defined.
+ * @return      A propagated error.
+ */
+uint32_t bsp_buttons_disable(void);
+
+
+/**@brief       Function for configuring wakeup buttons before going into sleep mode.
+ *
+ * @details     After calling this function, only the buttons that are set to 1 in wakeup_buttons
+ *              can be used to wake up the chip. If this function is not called before going to,
+ *              sleep either all or no buttons can wake up the chip.
+ *
+ * This function should only be called immediately before going into sleep.
+ *
+ * @param[in]   wakeup_buttons  Mask describing which buttons should be able to wake up the chip.
+ *
+ * @retval      NRF_SUCCESS              If the buttons were successfully enabled.
+ * @retval      NRF_ERROR_NOT_SUPPORTED  If the board has no buttons or BSP_SIMPLE is defined.
+ */
+uint32_t bsp_wakeup_buttons_set(uint32_t wakeup_buttons);
+
+
+#endif // BSP_H__
+
+/** @} */
diff --git a/bsp/bsp_btn_ble.c b/bsp/bsp_btn_ble.c
new file mode 100644
index 0000000..6eb01fe
--- /dev/null
+++ b/bsp/bsp_btn_ble.c
@@ -0,0 +1,240 @@
+
+
+#include "bsp_btn_ble.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <sdk/softdevice/s130/headers/ble.h>
+#include "bsp.h"
+
+
+#define BTN_ID_WAKEUP             0  /**< ID of button used to wake up the application. */
+#define BTN_ID_SLEEP              0  /**< ID of button used to put the application into sleep mode. */
+#define BTN_ID_DISCONNECT         0  /**< ID of button used to gracefully terminate a connection on long press. */
+#define BTN_ID_WAKEUP_BOND_DELETE 1  /**< ID of button used to wake up the application and delete all bonding information. */
+#define BTN_ID_WHITELIST_OFF      1  /**< ID of button used to turn off usage of the whitelist. */
+
+#define BTN_ACTION_SLEEP          BSP_BUTTON_ACTION_RELEASE    /**< Button action used to put the application into sleep mode. */
+#define BTN_ACTION_DISCONNECT     BSP_BUTTON_ACTION_LONG_PUSH  /**< Button action used to gracefully terminate a connection on long press. */
+#define BTN_ACTION_WHITELIST_OFF  BSP_BUTTON_ACTION_LONG_PUSH  /**< Button action used to turn off usage of the whitelist. */
+
+
+
+/**@brief This macro will return from the current function if err_code
+ *        is not NRF_SUCCESS.
+ */
+#define RETURN_ON_ERROR(err_code)  \
+do                                 \
+{                                  \
+    if ((err_code) != NRF_SUCCESS) \
+    {                              \
+        return err_code;           \
+    }                              \
+}                                  \
+while(0)
+
+
+/**@brief This macro will return from the current function if err_code
+ *        is not NRF_SUCCESS or NRF_ERROR_INVALID_PARAM.
+ */
+#define RETURN_ON_ERROR_NOT_INVALID_PARAM(err_code)                             \
+do                                                                              \
+{                                                                               \
+    if (((err_code) != NRF_SUCCESS) && ((err_code) != NRF_ERROR_INVALID_PARAM)) \
+    {                                                                           \
+        return err_code;                                                        \
+    }                                                                           \
+}                                                                               \
+while(0)
+
+
+/**@brief This macro will return from the current function if err_code
+ *        is not NRF_SUCCESS or NRF_ERROR_NOT_SUPPORTED.
+ */
+#define RETURN_ON_ERROR_NOT_NOT_SUPPORTED(err_code)                             \
+do                                                                              \
+{                                                                               \
+    if (((err_code) != NRF_SUCCESS) && ((err_code) != NRF_ERROR_NOT_SUPPORTED)) \
+    {                                                                           \
+        return err_code;                                                        \
+    }                                                                           \
+}                                                                               \
+while(0)
+
+
+/**@brief This macro will call the registered error handler if err_code
+ *        is not NRF_SUCCESS and the error handler is not NULL.
+ */
+#define CALL_HANDLER_ON_ERROR(err_code)                           \
+do                                                                \
+{                                                                 \
+    if (((err_code) != NRF_SUCCESS) && (m_error_handler != NULL)) \
+    {                                                             \
+        m_error_handler(err_code);                                \
+    }                                                             \
+}                                                                 \
+while(0)
+
+
+static bsp_btn_ble_error_handler_t m_error_handler = NULL; /**< Error handler registered by the user. */
+static uint32_t                    m_num_connections = 0;  /**< Number of connections the device is currently in. */
+
+
+/**@brief Function for configuring the buttons for connection.
+ *
+ * @retval NRF_SUCCESS  Configured successfully.
+ * @return A propagated error code.
+ */
+static uint32_t connection_buttons_configure()
+{
+    uint32_t err_code;
+
+    err_code = bsp_event_to_button_action_assign(BTN_ID_SLEEP,
+                                                 BTN_ACTION_SLEEP,
+                                                 BSP_EVENT_DEFAULT);
+    RETURN_ON_ERROR_NOT_INVALID_PARAM(err_code);
+
+    err_code = bsp_event_to_button_action_assign(BTN_ID_WHITELIST_OFF,
+                                                 BTN_ACTION_WHITELIST_OFF,
+                                                 BSP_EVENT_WHITELIST_OFF);
+    RETURN_ON_ERROR_NOT_INVALID_PARAM(err_code);
+
+    err_code = bsp_event_to_button_action_assign(BTN_ID_DISCONNECT,
+                                                 BTN_ACTION_DISCONNECT,
+                                                 BSP_EVENT_DISCONNECT);
+    RETURN_ON_ERROR_NOT_INVALID_PARAM(err_code);
+
+    return NRF_SUCCESS;
+}
+
+
+/**@brief Function for configuring the buttons for advertisement.
+ *
+ * @retval NRF_SUCCESS  Configured successfully.
+ * @return A propagated error code.
+ */
+static uint32_t advertising_buttons_configure()
+{
+    uint32_t err_code;
+
+    err_code = bsp_event_to_button_action_assign(BTN_ID_DISCONNECT,
+                                                 BTN_ACTION_DISCONNECT,
+                                                 BSP_EVENT_DEFAULT);
+    RETURN_ON_ERROR_NOT_INVALID_PARAM(err_code);
+
+    err_code = bsp_event_to_button_action_assign(BTN_ID_WHITELIST_OFF,
+                                                 BTN_ACTION_WHITELIST_OFF,
+                                                 BSP_EVENT_WHITELIST_OFF);
+    RETURN_ON_ERROR_NOT_INVALID_PARAM(err_code);
+
+    err_code = bsp_event_to_button_action_assign(BTN_ID_SLEEP,
+                                                 BTN_ACTION_SLEEP,
+                                                 BSP_EVENT_SLEEP);
+    RETURN_ON_ERROR_NOT_INVALID_PARAM(err_code);
+
+    return NRF_SUCCESS;
+}
+
+
+/**@brief Function for extracting the BSP event valid at startup.
+ *
+ * @details When a button was used to wake up the device, the button press will not generate an
+ *          interrupt. This function reads which button was pressed at startup, and returns the
+ *          appropriate BSP event.
+ *
+ * @param[out] p_startup_event  Where to put the extracted BSP event.
+ *
+ * @retval NRF_SUCCESS  Extraction was successful.
+ * @return A propagated error code.
+ */
+static uint32_t startup_event_extract(bsp_event_t * p_startup_event)
+{
+    uint32_t err_code;
+    bool wakeup_button_is_pressed, bond_erase_button_is_pressed;
+
+    // Read buttons
+    err_code = bsp_button_is_pressed(BTN_ID_WAKEUP, &wakeup_button_is_pressed);
+    RETURN_ON_ERROR(err_code);
+
+    err_code = bsp_button_is_pressed(BTN_ID_WAKEUP_BOND_DELETE, &bond_erase_button_is_pressed);
+    RETURN_ON_ERROR(err_code);
+
+    // React to button states
+    if (bond_erase_button_is_pressed)
+    {
+        *p_startup_event = BSP_EVENT_CLEAR_BONDING_DATA;
+    }
+    else if (wakeup_button_is_pressed)
+    {
+        *p_startup_event = BSP_EVENT_WAKEUP;
+    }
+    else
+    {
+        *p_startup_event = BSP_EVENT_NOTHING;
+    }
+
+    return NRF_SUCCESS;
+}
+
+
+uint32_t bsp_btn_ble_sleep_mode_prepare(void)
+{
+    uint32_t err_code = bsp_wakeup_buttons_set((1 << BTN_ID_WAKEUP) | (1 << BTN_ID_WAKEUP_BOND_DELETE));
+
+    RETURN_ON_ERROR_NOT_NOT_SUPPORTED(err_code);
+
+    return NRF_SUCCESS;
+}
+
+
+void bsp_btn_ble_on_ble_evt(ble_evt_t * p_ble_evt)
+{
+    uint32_t err_code;
+
+    switch (p_ble_evt->header.evt_id)
+    {
+        case BLE_GAP_EVT_CONNECTED:
+            if (m_num_connections == 0)
+            {
+                err_code = connection_buttons_configure();
+                CALL_HANDLER_ON_ERROR(err_code);
+            }
+
+            m_num_connections++;
+            break;
+
+        case BLE_GAP_EVT_DISCONNECTED:
+            m_num_connections--;
+
+            if (m_num_connections == 0)
+            {
+                err_code = advertising_buttons_configure();
+                CALL_HANDLER_ON_ERROR(err_code);
+            }
+            break;
+
+        default:
+            break;
+    }
+}
+
+
+uint32_t bsp_btn_ble_init(bsp_btn_ble_error_handler_t error_handler, bsp_event_t * p_startup_bsp_evt)
+{
+    uint32_t err_code = NRF_SUCCESS;
+
+    m_error_handler = error_handler;
+
+    if (p_startup_bsp_evt != NULL)
+    {
+        err_code = startup_event_extract(p_startup_bsp_evt);
+        RETURN_ON_ERROR(err_code);
+    }
+
+    if (m_num_connections == 0)
+    {
+        err_code = advertising_buttons_configure();
+    }
+
+    return err_code;
+}
diff --git a/bsp/bsp_btn_ble.h b/bsp/bsp_btn_ble.h
new file mode 100644
index 0000000..833e120
--- /dev/null
+++ b/bsp/bsp_btn_ble.h
@@ -0,0 +1,72 @@
+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+
+/**@file
+ *
+ * @defgroup bsp_btn_ble Board Support Package: BLE Button Module
+ * @{
+ * @ingroup app_common
+ *
+ * @brief Module for controlling BLE behavior through button actions.
+ *
+ * @details The application must propagate BLE events to the BLE Button Module.
+ * Based on these events, the BLE Button Module configures the Board Support Package
+ * to generate BSP events for certain button actions. These BSP events should then be
+ * handled by the application's BSP event handler.
+ *
+ */
+
+#ifndef BSP_BTN_BLE_H__
+#define BSP_BTN_BLE_H__
+
+#include <stdint.h>
+#include <sdk/softdevice/s130/headers/ble.h>
+#include "bsp.h"
+
+/**@brief BLE Button Module error handler type. */
+typedef void (*bsp_btn_ble_error_handler_t) (uint32_t nrf_error);
+
+/**@brief Function for initializing the BLE Button Module.
+ *
+ * Before calling this function, the BSP module must be initialized with buttons.
+ *
+ * @param[out] error_handler      Error handler to call in case of internal errors in BLE Button
+ *                                Module.
+ * @param[out] p_startup_bsp_evt  If not a NULL pointer, the value is filled with an event
+ *                                (or BSP_EVENT_NOTHING) derived from the buttons pressed on
+ *                                startup. For example, if the bond delete wakeup button was pressed
+ *                                to wake up the device, *p_startup_bsp_evt is set to
+ *                                @ref BSP_EVENT_CLEAR_BONDING_DATA.
+ *
+ * @retval NRF_SUCCESS  If initialization was successful. Otherwise, a propagated error code is
+ *                      returned.
+ */
+uint32_t bsp_btn_ble_init(bsp_btn_ble_error_handler_t error_handler, bsp_event_t * p_startup_bsp_evt);
+
+/**@brief Function for setting up wakeup buttons before going into sleep mode.
+ *
+ * @retval NRF_SUCCESS  If the buttons were prepared successfully. Otherwise, a propagated error
+ *                      code is returned.
+ */
+uint32_t bsp_btn_ble_sleep_mode_prepare(void);
+
+/**@brief Function for handling the application's BLE stack events.
+ *
+ * @details This function handles all events from the BLE stack that are of interest to this module.
+ *
+ * @param[in] p_ble_evt BLE stack event.
+ */
+void bsp_btn_ble_on_ble_evt(ble_evt_t * p_ble_evt);
+
+#endif /* BSP_BTN_BLE_H__ */
+
+/** @} */
diff --git a/bsp/pca10028.h b/bsp/pca10028.h
new file mode 100644
index 0000000..bb2fa52
--- /dev/null
+++ b/bsp/pca10028.h
@@ -0,0 +1,113 @@
+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+#ifndef PCA10028_H
+#define PCA10028_H
+
+// LEDs definitions for PCA10028
+#define LEDS_NUMBER    4
+
+#define LED_START      21
+#define LED_1          21
+#define LED_2          22
+#define LED_3          23
+#define LED_4          24
+#define LED_STOP       24
+
+#define LEDS_LIST { LED_1, LED_2, LED_3, LED_4 }
+
+#define BSP_LED_0      LED_1
+#define BSP_LED_1      LED_2
+#define BSP_LED_2      LED_3
+#define BSP_LED_3      LED_4
+
+#define BSP_LED_0_MASK (1<<BSP_LED_0)
+#define BSP_LED_1_MASK (1<<BSP_LED_1)
+#define BSP_LED_2_MASK (1<<BSP_LED_2)
+#define BSP_LED_3_MASK (1<<BSP_LED_3)
+
+#define LEDS_MASK      (BSP_LED_0_MASK | BSP_LED_1_MASK | BSP_LED_2_MASK | BSP_LED_3_MASK)
+/* all LEDs are lit when GPIO is low */
+#define LEDS_INV_MASK  LEDS_MASK
+
+#define BUTTONS_NUMBER 4
+
+#define BUTTON_START   17
+#define BUTTON_1       17
+#define BUTTON_2       18
+#define BUTTON_3       19
+#define BUTTON_4       20
+#define BUTTON_STOP    20
+#define BUTTON_PULL    NRF_GPIO_PIN_PULLUP
+
+#define BUTTONS_LIST { BUTTON_1, BUTTON_2, BUTTON_3, BUTTON_4 }
+
+#define BSP_BUTTON_0   BUTTON_1
+#define BSP_BUTTON_1   BUTTON_2
+#define BSP_BUTTON_2   BUTTON_3
+#define BSP_BUTTON_3   BUTTON_4
+
+#define BSP_BUTTON_0_MASK (1<<BSP_BUTTON_0)
+#define BSP_BUTTON_1_MASK (1<<BSP_BUTTON_1)
+#define BSP_BUTTON_2_MASK (1<<BSP_BUTTON_2)
+#define BSP_BUTTON_3_MASK (1<<BSP_BUTTON_3)
+
+#define BUTTONS_MASK   0x001E0000
+
+#define RX_PIN_NUMBER  11
+#define TX_PIN_NUMBER  9
+#define CTS_PIN_NUMBER 10
+#define RTS_PIN_NUMBER 8
+#define HWFC           true
+
+#define SPIS_MISO_PIN  28    // SPI MISO signal. 
+#define SPIS_CSN_PIN   12    // SPI CSN signal. 
+#define SPIS_MOSI_PIN  25    // SPI MOSI signal. 
+#define SPIS_SCK_PIN   29    // SPI SCK signal. 
+
+#define SPIM0_SCK_PIN       4     /**< SPI clock GPIO pin number. */
+#define SPIM0_MOSI_PIN      1     /**< SPI Master Out Slave In GPIO pin number. */
+#define SPIM0_MISO_PIN      3     /**< SPI Master In Slave Out GPIO pin number. */
+#define SPIM0_SS_PIN        2     /**< SPI Slave Select GPIO pin number. */
+
+#define SPIM1_SCK_PIN       15     /**< SPI clock GPIO pin number. */
+#define SPIM1_MOSI_PIN      12     /**< SPI Master Out Slave In GPIO pin number. */
+#define SPIM1_MISO_PIN      14     /**< SPI Master In Slave Out GPIO pin number. */
+#define SPIM1_SS_PIN        13     /**< SPI Slave Select GPIO pin number. */
+
+// serialization APPLICATION board
+#define SER_APP_RX_PIN              12    // UART RX pin number.
+#define SER_APP_TX_PIN              13    // UART TX pin number.
+#define SER_APP_CTS_PIN             15    // UART Clear To Send pin number.
+#define SER_APP_RTS_PIN             14    // UART Request To Send pin number.
+
+#define SER_APP_SPIM0_SCK_PIN       29     // SPI clock GPIO pin number.
+#define SER_APP_SPIM0_MOSI_PIN      25     // SPI Master Out Slave In GPIO pin number
+#define SER_APP_SPIM0_MISO_PIN      28     // SPI Master In Slave Out GPIO pin number
+#define SER_APP_SPIM0_SS_PIN        12     // SPI Slave Select GPIO pin number
+#define SER_APP_SPIM0_RDY_PIN       14     // SPI READY GPIO pin number
+#define SER_APP_SPIM0_REQ_PIN       13     // SPI REQUEST GPIO pin number
+
+// serialization CONNECTIVITY board
+#define SER_CON_RX_PIN              13    // UART RX pin number.
+#define SER_CON_TX_PIN              12    // UART TX pin number.
+#define SER_CON_CTS_PIN             14    // UART Clear To Send pin number. Not used if HWFC is set to false.
+#define SER_CON_RTS_PIN             15    // UART Request To Send pin number. Not used if HWFC is set to false.
+
+
+#define SER_CON_SPIS_SCK_PIN        29    // SPI SCK signal.
+#define SER_CON_SPIS_MOSI_PIN       25    // SPI MOSI signal.
+#define SER_CON_SPIS_MISO_PIN       28    // SPI MISO signal.
+#define SER_CON_SPIS_CSN_PIN        12    // SPI CSN signal.
+#define SER_CON_SPIS_RDY_PIN        14    // SPI READY GPIO pin number.
+#define SER_CON_SPIS_REQ_PIN        13    // SPI REQUEST GPIO pin number.
+
+#endif // PCA10028_H
-- 
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