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main.c
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main.c
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/* Copyright (c) 2012 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 ble_sdk_app_hids_mouse_main main.c
* @{
* @ingroup ble_sdk_app_hids_mouse
* @brief HID Mouse Sample Application main file.
*
* This file contains is the source code for a sample application using the HID, Battery and Device
* Information Service for implementing a simple mouse functionality. This application uses the
* @ref app_scheduler.
*
* Also it would accept pairing requests from any peer device. This implementation of the
* application will not know whether a connected central is a known device or not.
*/
#include <stdint.h>
#include <string.h>
#include "nordic_common.h"
#include "nrf.h"
#include "nrf_soc.h"
#include "nrf_sdm.h"
#include "app_error.h"
#include "nrf_gpio.h"
#include "nrf51_bitfields.h"
#include "ble.h"
#include "ble_hci.h"
#include "ble_srv_common.h"
#include "ble_advdata.h"
#include "ble_hids.h"
#include "ble_bas.h"
#include "ble_dis.h"
#include "ble_conn_params.h"
#include "boards.h"
#include "ble_sensorsim.h"
#include "app_scheduler.h"
#include "softdevice_handler.h"
#include "app_timer.h"
#include "device_manager.h"
#include "ble_error_log.h"
#include "app_gpiote.h"
#include "app_button.h"
#include "ble_debug_assert_handler.h"
#include "pstorage.h"
#include "app_trace.h"
#define IS_SRVC_CHANGED_CHARACT_PRESENT 0 /**< Include or not the service_changed characteristic. if not enabled, the server's database cannot be changed for the lifetime of the device*/
#define LEFT_BUTTON_PIN_NO 9 /**< Button used for moving the mouse pointer to the left. */
#define RIGHT_BUTTON_PIN_NO 1 /**< Button used for moving the mouse pointer to the right. */
#define UP_BUTTON_PIN_NO 14 /**< Button used for moving the mouse pointer upwards. */
#define DOWN_BUTTON_PIN_NO 5 /**< Button used for moving the mouse pointer downwards. */
#define MIDDLE_BUTTON_PIN_NO 6 /**< Button used for left click. */
#define BOND_DELETE_ALL_BUTTON_ID 31 /**< Button used for deleting all bonded centrals during startup. */
#define ADVERTISING_LED_PIN_NO 31 /**< Is on when device is advertising. */
#define CONNECTED_LED_PIN_NO 31 /**< Is on when device has connected. */
#define ADV_DIRECTED_LED_PIN_NO 31 /**< Is on when we are doing directed advertisement. */
#define ADV_WHITELIST_LED_PIN_NO 31 /**< Is on when we are doing advertising with whitelist. */
#define ADV_INTERVAL_SLOW_LED_PIN_NO 31 /**< Is on when we are doing slow advertising. */
#define ASSERT_LED_PIN_NO 31 /**< Is on when application has asserted. */
#define DEVICE_NAME "Keyfob" /**< Name of device. Will be included in the advertising data. */
#define MANUFACTURER_NAME "NordicSemiconductor" /**< Manufacturer. Will be passed to Device Information Service. */
#define APP_TIMER_PRESCALER 0 /**< Value of the RTC1 PRESCALER register. */
#define APP_TIMER_MAX_TIMERS 3 /**< Maximum number of simultaneously created timers. */
#define APP_TIMER_OP_QUEUE_SIZE 4 /**< Size of timer operation queues. */
#define BATTERY_LEVEL_MEAS_INTERVAL APP_TIMER_TICKS(2000, APP_TIMER_PRESCALER) /**< Battery level measurement interval (ticks). */
#define MIN_BATTERY_LEVEL 81 /**< Minimum simulated battery level. */
#define MAX_BATTERY_LEVEL 100 /**< Maximum simulated battery level. */
#define BATTERY_LEVEL_INCREMENT 1 /**< Increment between each simulated battery level measurement. */
#define APP_ADV_INTERVAL_FAST 0x0028 /**< Fast advertising interval (in units of 0.625 ms. This value corresponds to 25 ms.). */
#define APP_ADV_INTERVAL_SLOW 0x0C80 /**< Slow advertising interval (in units of 0.625 ms. This value corrsponds to 2 seconds). */
#define APP_FAST_ADV_TIMEOUT 30 /**< The duration of the fast advertising period (in seconds). */
#define APP_SLOW_ADV_TIMEOUT 180 /**< The duration of the slow advertising period (in seconds). */
#define APP_DIRECTED_ADV_TIMEOUT 5 /**< Number of direct advertisement (each lasting 1.28seconds). */
#define PNP_ID_VENDOR_ID_SOURCE 0x02 /**< Vendor ID Source. */
#define PNP_ID_VENDOR_ID 0x1915 /**< Vendor ID. */
#define PNP_ID_PRODUCT_ID 0xEEEE /**< Product ID. */
#define PNP_ID_PRODUCT_VERSION 0x0001 /**< Product Version. */
/*lint -emacro(524, MIN_CONN_INTERVAL) // Loss of precision */
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(7.5, UNIT_1_25_MS) /**< Minimum connection interval (7.5 ms). */
#define MAX_CONN_INTERVAL MSEC_TO_UNITS(15, UNIT_1_25_MS) /**< Maximum connection interval (15 ms). */
#define SLAVE_LATENCY 25 /**< Slave latency. */
#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(3000, UNIT_10_MS) /**< Connection supervisory timeout (300 ms). */
#define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(5000, APP_TIMER_PRESCALER) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (5 seconds). */
#define NEXT_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(30000, APP_TIMER_PRESCALER) /**< Time between each call to sd_ble_gap_conn_param_update after the first call (30 seconds). */
#define MAX_CONN_PARAM_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */
#define APP_GPIOTE_MAX_USERS 1 /**< Maximum number of users of the GPIOTE handler. */
#define BUTTON_DETECTION_DELAY APP_TIMER_TICKS(50, APP_TIMER_PRESCALER) /**< Delay from a GPIOTE event until a button is reported as pushed (in number of timer ticks). */
#define SEC_PARAM_TIMEOUT 30 /**< Timeout for Pairing Request or Security Request (in seconds). */
#define SEC_PARAM_BOND 1 /**< Perform bonding. */
#define SEC_PARAM_MITM 0 /**< Man In The Middle protection not required. */
#define SEC_PARAM_IO_CAPABILITIES BLE_GAP_IO_CAPS_NONE /**< No I/O capabilities. */
#define SEC_PARAM_OOB 0 /**< Out Of Band data not available. */
#define SEC_PARAM_MIN_KEY_SIZE 7 /**< Minimum encryption key size. */
#define SEC_PARAM_MAX_KEY_SIZE 16 /**< Maximum encryption key size. */
#define MOVEMENT_SPEED 25 /**< Number of pixels by which the cursor is moved each time a button is pushed. */
#define INPUT_REPORT_COUNT 1 /**< Number of input reports in this application. */
#define INPUT_REP_MEDIA_PLAYER_LEN 1 /**< Length of Mouse Input Report containing media player data. */
#define INPUT_REP_MPLAYER_INDEX 0 /**< Index of Mouse Input Report containing media player data. */
#define INPUT_REP_REF_MPLAYER_ID 0 /**< Id of reference to Mouse Input Report containing media player data. */
#define MPLAYER_PLAYPAUSE 0
#define MPLAYER_NEXT 2
#define MPLAYER_PREV 3
#define MPLAYER_VOLDOWN 4
#define MPLAYER_VOLUP 5
#define BASE_USB_HID_SPEC_VERSION 0x0101 /**< Version number of base USB HID Specification implemented by this application. */
#define SCHED_MAX_EVENT_DATA_SIZE MAX(APP_TIMER_SCHED_EVT_SIZE,\
BLE_STACK_HANDLER_SCHED_EVT_SIZE) /**< Maximum size of scheduler events. */
#define SCHED_QUEUE_SIZE 10 /**< Maximum number of events in the scheduler queue. */
#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */
typedef enum
{
BLE_NO_ADV, /**< No advertising running. */
BLE_DIRECTED_ADV, /**< Direct advertising to the latest central. */
BLE_FAST_ADV_WHITELIST, /**< Advertising whith whitelist. */
BLE_FAST_ADV, /**< Fast advertising running. */
BLE_SLOW_ADV, /**< Slow advertising running. */
BLE_SLEEP /**< Go to system-off. */
} ble_advertising_mode_t;
static ble_hids_t m_hids; /**< Structure used to identify the HID service. */
static ble_bas_t m_bas; /**< Structure used to identify the battery service. */
static bool m_in_boot_mode = false; /**< Current protocol mode. */
static ble_sensorsim_cfg_t m_battery_sim_cfg; /**< Battery Level sensor simulator configuration. */
static ble_sensorsim_state_t m_battery_sim_state; /**< Battery Level sensor simulator state. */
static app_timer_id_t m_battery_timer_id; /**< Battery timer. */
static uint8_t m_advertising_mode; /**< Variable to keep track of when we are advertising. */
static uint8_t m_direct_adv_cnt; /**< Counter of direct advertisements. */
static dm_application_instance_t m_app_handle; /**< Application identifier allocated by device manager. */
static dm_handle_t m_bonded_peer_handle; /**< Device reference handle to the current connected peer. */
static ble_gap_addr_t m_ble_addr; /**< Variable for getting and setting of BLE device address. */
static bool m_memory_access_in_progress = false; /**< Flag to keep track of ongoing operations on persistent memory. */
static void on_hids_evt(ble_hids_t * p_hids, ble_hids_evt_t * p_evt);
/**@brief Function for error handling, which is called when an error has occurred.
*
* @warning This handler is an example only and does not fit a final product. You need to analyze
* how your product is supposed to react in case of error.
*
* @param[in] error_code Error code supplied to the handler.
* @param[in] line_num Line number where the handler is called.
* @param[in] p_file_name Pointer to the file name.
*/
void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name)
{
nrf_gpio_pin_set(ASSERT_LED_PIN_NO);
// This call can be used for debug purposes during application development.
// @note CAUTION: Activating this code will write the stack to flash on an error.
// This function should NOT be used in a final product.
// It is intended STRICTLY for development/debugging purposes.
// The flash write will happen EVEN if the radio is active, thus interrupting
// any communication.
// Use with care. Uncomment the line below to use.
// ble_debug_assert_handler(error_code, line_num, p_file_name);
// On assert, the system can only recover with a reset.
NVIC_SystemReset();
}
/**@brief Callback function for asserts in the SoftDevice.
*
* @details This function will be called in case of an assert in the SoftDevice.
*
* @warning This handler is an example only and does not fit a final product. You need to analyze
* how your product is supposed to react in case of Assert.
* @warning On assert from the SoftDevice, the system can only recover on reset.
*
* @param[in] line_num Line number of the failing ASSERT call.
* @param[in] file_name File name of the failing ASSERT call.
*/
void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name)
{
app_error_handler(DEAD_BEEF, line_num, p_file_name);
}
/**@brief Function for handling Service errors.
*
* @details A pointer to this function will be passed to each service which may need to inform the
* application about an error.
*
* @param[in] nrf_error Error code containing information about what went wrong.
*/
static void service_error_handler(uint32_t nrf_error)
{
APP_ERROR_HANDLER(nrf_error);
}
/**@brief Function for performing a battery measurement, and update the Battery Level characteristic in the Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
uint8_t battery_level;
battery_level = (uint8_t)ble_sensorsim_measure(&m_battery_sim_state, &m_battery_sim_cfg);
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_BUFFERS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
/**@brief Function for handling the Battery measurement timer timeout.
*
* @details This function will be called each time the battery level measurement timer expires.
*
* @param[in] p_context Pointer used for passing some arbitrary information (context) from the
* app_start_timer() call to the timeout handler.
*/
static void battery_level_meas_timeout_handler(void * p_context)
{
UNUSED_PARAMETER(p_context);
battery_level_update();
}
/**@brief Function for the LEDs initialization.
*
* @details Initializes all LEDs used by the application.
*/
static void leds_init(void)
{
nrf_gpio_cfg_output(ADV_WHITELIST_LED_PIN_NO);
nrf_gpio_cfg_output(ADV_DIRECTED_LED_PIN_NO);
nrf_gpio_cfg_output(ADV_INTERVAL_SLOW_LED_PIN_NO);
nrf_gpio_cfg_output(ADVERTISING_LED_PIN_NO);
nrf_gpio_cfg_output(CONNECTED_LED_PIN_NO);
nrf_gpio_cfg_output(ASSERT_LED_PIN_NO);
}
/**@brief Function for the Timer initialization.
*
* @details Initializes the timer module.
*/
static void timers_init(void)
{
uint32_t err_code;
// Initialize timer module, making it use the scheduler.
APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_MAX_TIMERS, APP_TIMER_OP_QUEUE_SIZE, true);
// Create battery timer.
err_code = app_timer_create(&m_battery_timer_id,
APP_TIMER_MODE_REPEATED,
battery_level_meas_timeout_handler);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for the GAP initialization.
*
* @details This function sets up all the necessary GAP (Generic Access Profile) parameters of the
* device including the device name, appearance, and the preferred connection parameters.
*/
static void gap_params_init(void)
{
uint32_t err_code;
ble_gap_conn_params_t gap_conn_params;
ble_gap_conn_sec_mode_t sec_mode;
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
err_code = sd_ble_gap_device_name_set(&sec_mode,
(const uint8_t *)DEVICE_NAME,
strlen(DEVICE_NAME));
APP_ERROR_CHECK(err_code);
err_code = sd_ble_gap_appearance_set(BLE_APPEARANCE_HID_MOUSE);
APP_ERROR_CHECK(err_code);
memset(&gap_conn_params, 0, sizeof(gap_conn_params));
gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL;
gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL;
gap_conn_params.slave_latency = SLAVE_LATENCY;
gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT;
err_code = sd_ble_gap_ppcp_set(&gap_conn_params);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing the Advertising functionality.
*
* @details Encodes the required advertising data and passes it to the stack.
* Also builds a structure to be passed to the stack when starting advertising.
*
* @param[in] adv_flags Indicates which type of advertisement to use, see @ref BLE_GAP_DISC_MODES.
*/
static void advertising_init(uint8_t adv_flags)
{
uint32_t err_code;
ble_advdata_t advdata;
ble_uuid_t adv_uuids[] = {{BLE_UUID_HUMAN_INTERFACE_DEVICE_SERVICE, BLE_UUID_TYPE_BLE}};
err_code = sd_ble_gap_address_get(&m_ble_addr);
APP_ERROR_CHECK(err_code);
err_code = sd_ble_gap_address_set(BLE_GAP_ADDR_CYCLE_MODE_NONE, &m_ble_addr);
APP_ERROR_CHECK(err_code);
m_advertising_mode = BLE_NO_ADV;
// Build and set advertising data
memset(&advdata, 0, sizeof(advdata));
advdata.name_type = BLE_ADVDATA_FULL_NAME;
advdata.include_appearance = true;
advdata.flags.size = sizeof(adv_flags);
advdata.flags.p_data = &adv_flags;
advdata.uuids_complete.uuid_cnt = sizeof(adv_uuids) / sizeof(adv_uuids[0]);
advdata.uuids_complete.p_uuids = adv_uuids;
err_code = ble_advdata_set(&advdata, NULL);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing Device Information Service.
*/
static void dis_init(void)
{
uint32_t err_code;
ble_dis_init_t dis_init_obj;
ble_dis_pnp_id_t pnp_id;
pnp_id.vendor_id_source = PNP_ID_VENDOR_ID_SOURCE;
pnp_id.vendor_id = PNP_ID_VENDOR_ID;
pnp_id.product_id = PNP_ID_PRODUCT_ID;
pnp_id.product_version = PNP_ID_PRODUCT_VERSION;
memset(&dis_init_obj, 0, sizeof(dis_init_obj));
ble_srv_ascii_to_utf8(&dis_init_obj.manufact_name_str, MANUFACTURER_NAME);
dis_init_obj.p_pnp_id = &pnp_id;
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&dis_init_obj.dis_attr_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&dis_init_obj.dis_attr_md.write_perm);
err_code = ble_dis_init(&dis_init_obj);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing Battery Service.
*/
static void bas_init(void)
{
uint32_t err_code;
ble_bas_init_t bas_init_obj;
memset(&bas_init_obj, 0, sizeof(bas_init_obj));
bas_init_obj.evt_handler = NULL;
bas_init_obj.support_notification = true;
bas_init_obj.p_report_ref = NULL;
bas_init_obj.initial_batt_level = 100;
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&bas_init_obj.battery_level_char_attr_md.cccd_write_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&bas_init_obj.battery_level_char_attr_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&bas_init_obj.battery_level_char_attr_md.write_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&bas_init_obj.battery_level_report_read_perm);
err_code = ble_bas_init(&m_bas, &bas_init_obj);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing HID Service.
*/
static void hids_init(void)
{
uint32_t err_code;
ble_hids_init_t hids_init_obj;
ble_hids_inp_rep_init_t inp_rep_array[INPUT_REPORT_COUNT];
ble_hids_inp_rep_init_t * p_input_report;
uint8_t hid_info_flags;
static uint8_t rep_map_data[] =
{
// Report ID 1: Advanced buttons
0x05, 0x0C, // Usage Page (Consumer)
0x09, 0x01, // Usage (Consumer Control)
0xA1, 0x01, // Collection (Application)
//0x85, 0x01, // Report Id (1)
0x15, 0x00, // Logical minimum (0)
0x25, 0x01, // Logical maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x09, 0xCD, // Usage (Play/Pause)
0x81, 0x06, // Input (Data,Value,Relative,Bit Field)
0x0A, 0x83, 0x01, // Usage (AL Consumer Control Configuration)
0x81, 0x06, // Input (Data,Value,Relative,Bit Field)
0x09, 0xB5, // Usage (Scan Next Track)
0x81, 0x06, // Input (Data,Value,Relative,Bit Field)
0x09, 0xB6, // Usage (Scan Previous Track)
0x81, 0x06, // Input (Data,Value,Relative,Bit Field)
0x09, 0xEA, // Usage (Volume Down)
0x81, 0x06, // Input (Data,Value,Relative,Bit Field)
0x09, 0xE9, // Usage (Volume Up)
0x81, 0x06, // Input (Data,Value,Relative,Bit Field)
0x0A, 0x25, 0x02, // Usage (AC Forward)
0x81, 0x06, // Input (Data,Value,Relative,Bit Field)
0x0A, 0x24, 0x02, // Usage (AC Back)
0x81, 0x06, // Input (Data,Value,Relative,Bit Field)
0xC0 // End Collection
};
memset(inp_rep_array, 0, sizeof(inp_rep_array));
// Initialize HID Service.
p_input_report = &inp_rep_array[INPUT_REP_MPLAYER_INDEX];
p_input_report->max_len = INPUT_REP_MEDIA_PLAYER_LEN;
p_input_report->rep_ref.report_id = INPUT_REP_REF_MPLAYER_ID;
p_input_report->rep_ref.report_type = BLE_HIDS_REP_TYPE_INPUT;
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&p_input_report->security_mode.cccd_write_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&p_input_report->security_mode.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&p_input_report->security_mode.write_perm);
hid_info_flags = HID_INFO_FLAG_REMOTE_WAKE_MSK | HID_INFO_FLAG_NORMALLY_CONNECTABLE_MSK;
memset(&hids_init_obj, 0, sizeof(hids_init_obj));
hids_init_obj.evt_handler = on_hids_evt;
hids_init_obj.error_handler = service_error_handler;
hids_init_obj.is_kb = false;
hids_init_obj.is_mouse = true;
hids_init_obj.inp_rep_count = INPUT_REPORT_COUNT;
hids_init_obj.p_inp_rep_array = inp_rep_array;
hids_init_obj.outp_rep_count = 0;
hids_init_obj.p_outp_rep_array = NULL;
hids_init_obj.feature_rep_count = 0;
hids_init_obj.p_feature_rep_array = NULL;
hids_init_obj.rep_map.data_len = sizeof(rep_map_data);
hids_init_obj.rep_map.p_data = rep_map_data;
hids_init_obj.hid_information.bcd_hid = BASE_USB_HID_SPEC_VERSION;
hids_init_obj.hid_information.b_country_code = 0;
hids_init_obj.hid_information.flags = hid_info_flags;
hids_init_obj.included_services_count = 0;
hids_init_obj.p_included_services_array = NULL;
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&hids_init_obj.rep_map.security_mode.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&hids_init_obj.rep_map.security_mode.write_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&hids_init_obj.hid_information.security_mode.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&hids_init_obj.hid_information.security_mode.write_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(
&hids_init_obj.security_mode_boot_mouse_inp_rep.cccd_write_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(
&hids_init_obj.security_mode_boot_mouse_inp_rep.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(
&hids_init_obj.security_mode_boot_mouse_inp_rep.write_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&hids_init_obj.security_mode_protocol.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&hids_init_obj.security_mode_protocol.write_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&hids_init_obj.security_mode_ctrl_point.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&hids_init_obj.security_mode_ctrl_point.write_perm);
err_code = ble_hids_init(&m_hids, &hids_init_obj);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing services that will be used by the application.
*/
static void services_init(void)
{
dis_init();
bas_init();
hids_init();
}
/**@brief Function for initializing the battery sensor simulator.
*/
static void sensor_sim_init(void)
{
m_battery_sim_cfg.min = MIN_BATTERY_LEVEL;
m_battery_sim_cfg.max = MAX_BATTERY_LEVEL;
m_battery_sim_cfg.incr = BATTERY_LEVEL_INCREMENT;
m_battery_sim_cfg.start_at_max = true;
ble_sensorsim_init(&m_battery_sim_state, &m_battery_sim_cfg);
}
/**@brief Function for handling a Connection Parameters error.
*
* @param[in] nrf_error Error code containing information about what went wrong.
*/
static void conn_params_error_handler(uint32_t nrf_error)
{
APP_ERROR_HANDLER(nrf_error);
}
/**@brief Function for initializing the Connection Parameters module.
*/
static void conn_params_init(void)
{
uint32_t err_code;
ble_conn_params_init_t cp_init;
memset(&cp_init, 0, sizeof(cp_init));
cp_init.p_conn_params = NULL;
cp_init.first_conn_params_update_delay = FIRST_CONN_PARAMS_UPDATE_DELAY;
cp_init.next_conn_params_update_delay = NEXT_CONN_PARAMS_UPDATE_DELAY;
cp_init.max_conn_params_update_count = MAX_CONN_PARAM_UPDATE_COUNT;
cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID;
cp_init.disconnect_on_fail = false;
cp_init.evt_handler = NULL;
cp_init.error_handler = conn_params_error_handler;
err_code = ble_conn_params_init(&cp_init);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for starting timers.
*/
static void timers_start(void)
{
uint32_t err_code;
err_code = app_timer_start(m_battery_timer_id, BATTERY_LEVEL_MEAS_INTERVAL, NULL);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for starting advertising.
*/
static void advertising_start(void)
{
uint32_t err_code;
ble_gap_adv_params_t adv_params;
ble_gap_whitelist_t whitelist;
ble_gap_addr_t peer_address;
uint32_t count;
// Clear all advertising LEDs
nrf_gpio_pin_clear(ADVERTISING_LED_PIN_NO);
nrf_gpio_pin_clear(ADV_DIRECTED_LED_PIN_NO);
nrf_gpio_pin_clear(ADV_WHITELIST_LED_PIN_NO);
nrf_gpio_pin_clear(ADV_INTERVAL_SLOW_LED_PIN_NO);
// Verify if there is any flash access pending, if yes delay starting advertising until
// it's complete.
err_code = pstorage_access_status_get(&count);
APP_ERROR_CHECK(err_code);
if (count != 0)
{
m_memory_access_in_progress = true;
return;
}
// Initialize advertising parameters with defaults values
memset(&adv_params, 0, sizeof(adv_params));
adv_params.type = BLE_GAP_ADV_TYPE_ADV_IND;
adv_params.p_peer_addr = NULL;
adv_params.fp = BLE_GAP_ADV_FP_ANY;
adv_params.p_whitelist = NULL;
// Configure advertisement according to current advertising state
if (m_advertising_mode == BLE_DIRECTED_ADV)
{
err_code = dm_peer_addr_get(&m_bonded_peer_handle, &peer_address);
if (err_code != NRF_SUCCESS)
{
m_advertising_mode = BLE_FAST_ADV_WHITELIST;
}
}
switch (m_advertising_mode)
{
case BLE_NO_ADV:
m_advertising_mode = BLE_FAST_ADV_WHITELIST;
// fall through.
case BLE_FAST_ADV_WHITELIST:
{
ble_gap_addr_t * p_whitelist_addr[BLE_GAP_WHITELIST_ADDR_MAX_COUNT];
ble_gap_irk_t * p_whitelist_irk[BLE_GAP_WHITELIST_IRK_MAX_COUNT];
whitelist.addr_count = BLE_GAP_WHITELIST_ADDR_MAX_COUNT;
whitelist.irk_count = BLE_GAP_WHITELIST_IRK_MAX_COUNT;
whitelist.pp_addrs = p_whitelist_addr;
whitelist.pp_irks = p_whitelist_irk;
err_code = dm_whitelist_create(&m_app_handle, &whitelist);
APP_ERROR_CHECK(err_code);
if ((whitelist.addr_count != 0) || (whitelist.irk_count != 0))
{
adv_params.fp = BLE_GAP_ADV_FP_FILTER_CONNREQ;
adv_params.p_whitelist = &whitelist;
advertising_init(BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED);
m_advertising_mode = BLE_FAST_ADV;
nrf_gpio_pin_set(ADV_WHITELIST_LED_PIN_NO);
}
else
{
m_advertising_mode = BLE_SLOW_ADV;
}
adv_params.interval = APP_ADV_INTERVAL_FAST;
adv_params.timeout = APP_FAST_ADV_TIMEOUT;
break;
}
case BLE_DIRECTED_ADV:
adv_params.p_peer_addr = &peer_address;
adv_params.type = BLE_GAP_ADV_TYPE_ADV_DIRECT_IND;
adv_params.timeout = 0;
m_direct_adv_cnt--;
if (m_direct_adv_cnt == 0)
{
m_advertising_mode = BLE_FAST_ADV_WHITELIST;
}
nrf_gpio_pin_set(ADV_DIRECTED_LED_PIN_NO);
break;
case BLE_FAST_ADV:
advertising_init(BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE);
adv_params.interval = APP_ADV_INTERVAL_FAST;
adv_params.timeout = APP_FAST_ADV_TIMEOUT;
m_advertising_mode = BLE_SLOW_ADV;
break;
case BLE_SLOW_ADV:
advertising_init(BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE);
adv_params.interval = APP_ADV_INTERVAL_SLOW;
adv_params.timeout = APP_SLOW_ADV_TIMEOUT;
m_advertising_mode = BLE_SLEEP;
nrf_gpio_pin_set(ADV_INTERVAL_SLOW_LED_PIN_NO);
break;
default:
// No implementation needed.
break;
}
// Start advertising.
err_code = sd_ble_gap_adv_start(&adv_params);
APP_ERROR_CHECK(err_code);
nrf_gpio_pin_set(ADVERTISING_LED_PIN_NO);
}
/**@brief Function for handling HID events.
*
* @details This function will be called for all HID events which are passed to the application.
*
* @param[in] p_hids HID service structure.
* @param[in] p_evt Event received from the HID service.
*/
static void on_hids_evt(ble_hids_t * p_hids, ble_hids_evt_t *p_evt)
{
switch (p_evt->evt_type)
{
case BLE_HIDS_EVT_BOOT_MODE_ENTERED:
m_in_boot_mode = true;
break;
case BLE_HIDS_EVT_REPORT_MODE_ENTERED:
m_in_boot_mode = false;
break;
case BLE_HIDS_EVT_NOTIF_ENABLED:
{
dm_service_context_t service_context;
service_context.service_type = DM_PROTOCOL_CNTXT_GATT_SRVR_ID;
service_context.context_data.len = 0;
service_context.context_data.p_data = NULL;
if (m_in_boot_mode)
{
// Protocol mode is Boot Protocol mode.
if (
p_evt->params.notification.char_id.uuid == BLE_UUID_BOOT_MOUSE_INPUT_REPORT_CHAR
)
{
// The notification of boot mouse input report has been enabled.
// Save the system attribute (CCCD) information into the flash.
uint32_t err_code;
err_code = dm_service_context_set(&m_bonded_peer_handle, &service_context);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
else
{
// The bondmanager did not write the system attributes to the flash because
// the connected central is not a new central. The system attributes
// will only be written to flash only when disconnected from this central.
// Do nothing now.
}
}
else
{
// Do nothing.
}
}
else if (
(p_evt->params.notification.char_id.rep_index == INPUT_REP_MPLAYER_INDEX)
&&
(p_evt->params.notification.char_id.rep_type == BLE_HIDS_REP_TYPE_INPUT)
)
{
// The protocol mode is Report Protocol mode. And the CCCD for the report ID
// INPUT_REP_MOVEMENT_INDEX is changed. Since this application uses this report to
// send mouse movements, it is now time to store all the CCCD information (system
// attributes) into the flash.
uint32_t err_code;
err_code = dm_service_context_set(&m_bonded_peer_handle, &service_context);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
else
{
// The system attributes could not be written to the flash because
// the connected central is not a new central. The system attributes
// will only be written to flash only when disconnected from this central.
// Do nothing now.
}
}
else
{
// The notification of the report that was enabled by the central is not interesting
// to this application. So do nothing.
}
break;
}
default:
// No implementation needed.
break;
}
}
/**@brief Function for handling the Application's BLE Stack events.
*
* @param[in] p_ble_evt Bluetooth stack event.
*/
static void on_ble_evt(ble_evt_t * p_ble_evt)
{
uint32_t err_code;
static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
nrf_gpio_pin_set(CONNECTED_LED_PIN_NO);
nrf_gpio_pin_clear(ADVERTISING_LED_PIN_NO);
nrf_gpio_pin_clear(ADV_DIRECTED_LED_PIN_NO);
nrf_gpio_pin_clear(ADV_WHITELIST_LED_PIN_NO);
nrf_gpio_pin_clear(ADV_INTERVAL_SLOW_LED_PIN_NO);
// Start handling button presses.
err_code = app_button_enable();
APP_ERROR_CHECK(err_code);
m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
m_advertising_mode = BLE_NO_ADV;
break;
case BLE_GAP_EVT_DISCONNECTED:
nrf_gpio_pin_clear(CONNECTED_LED_PIN_NO);
m_conn_handle = BLE_CONN_HANDLE_INVALID;
// Stop detecting button presses when not connected.
err_code = app_button_disable();
APP_ERROR_CHECK(err_code);
m_advertising_mode = BLE_DIRECTED_ADV;
m_direct_adv_cnt = APP_DIRECTED_ADV_TIMEOUT;
advertising_start();
break;
case BLE_GAP_EVT_TIMEOUT:
if (p_ble_evt->evt.gap_evt.params.timeout.src == BLE_GAP_TIMEOUT_SRC_ADVERTISEMENT)
{
if (m_advertising_mode == BLE_SLEEP)
{
m_advertising_mode = BLE_NO_ADV;
nrf_gpio_pin_clear(ADVERTISING_LED_PIN_NO);
nrf_gpio_pin_clear(ADV_DIRECTED_LED_PIN_NO);
nrf_gpio_pin_clear(ADV_WHITELIST_LED_PIN_NO);
nrf_gpio_pin_clear(ADV_INTERVAL_SLOW_LED_PIN_NO);
// Configure buttons with sense level low as wakeup source.
nrf_gpio_cfg_sense_input(LEFT_BUTTON_PIN_NO,
BUTTON_PULL,
NRF_GPIO_PIN_SENSE_LOW);
nrf_gpio_cfg_sense_input(BOND_DELETE_ALL_BUTTON_ID,
BUTTON_PULL,
NRF_GPIO_PIN_SENSE_LOW);
// Go to system-off mode.
// (this function will not return; wakeup will cause a reset).
err_code = sd_power_system_off();
APP_ERROR_CHECK(err_code);
}
else
{
advertising_start();
}
}
break;
case BLE_GATTC_EVT_TIMEOUT:
case BLE_GATTS_EVT_TIMEOUT:
// Disconnect on GATT Server and Client timeout events.
err_code = sd_ble_gap_disconnect(m_conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
break;
default:
// No implementation needed.
break;
}
}
/**@brief Function for handling the Application's system events.
*
* @param[in] sys_evt system event.
*/
static void on_sys_evt(uint32_t sys_evt)
{
switch(sys_evt)
{
case NRF_EVT_FLASH_OPERATION_SUCCESS:
case NRF_EVT_FLASH_OPERATION_ERROR:
if (m_memory_access_in_progress)
{
m_memory_access_in_progress = false;
advertising_start();
}
break;
default:
// No implementation needed.
break;
}
}
/**@brief Function for dispatching a BLE stack event to all modules with a BLE stack event handler.
*
* @details This function is called from the scheduler in the main loop after a BLE stack
* event has been received.
*
* @param[in] p_ble_evt Bluetooth stack event.
*/
static void ble_evt_dispatch(ble_evt_t * p_ble_evt)
{
dm_ble_evt_handler(p_ble_evt);
on_ble_evt(p_ble_evt);
ble_conn_params_on_ble_evt(p_ble_evt);
ble_hids_on_ble_evt(&m_hids, p_ble_evt);
ble_bas_on_ble_evt(&m_bas, p_ble_evt);
}
/**@brief Function for dispatching a system event to interested modules.
*
* @details This function is called from the System event interrupt handler after a system
* event has been received.
*
* @param[in] sys_evt System stack event.
*/
static void sys_evt_dispatch(uint32_t sys_evt)
{
pstorage_sys_event_handler(sys_evt);
on_sys_evt(sys_evt);
}
/**@brief Function for initializing the BLE stack.
*
* @details Initializes the SoftDevice and the BLE event interrupt.
*/
static void ble_stack_init(void)
{
uint32_t err_code;
// Initialize the SoftDevice handler module.
SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_RC_250_PPM_8000MS_CALIBRATION, true);
// Enable BLE stack
ble_enable_params_t ble_enable_params;
memset(&ble_enable_params, 0, sizeof(ble_enable_params));
ble_enable_params.gatts_enable_params.service_changed = IS_SRVC_CHANGED_CHARACT_PRESENT;
err_code = sd_ble_enable(&ble_enable_params);
APP_ERROR_CHECK(err_code);
// Register with the SoftDevice handler module for BLE events.
err_code = softdevice_ble_evt_handler_set(ble_evt_dispatch);
APP_ERROR_CHECK(err_code);
// Register with the SoftDevice handler module for BLE events.
err_code = softdevice_sys_evt_handler_set(sys_evt_dispatch);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for the Event Scheduler initialization.
*/
static void scheduler_init(void)
{
APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE, SCHED_QUEUE_SIZE);
}
uint8_t mplayer_buffer = 0;
/**@brief Function for handling button events.
*
* @param[in] pin_no The pin number of the button pressed.
*/
static void button_event_handler(uint8_t pin_no, uint8_t button_action)
{
#define HANDLE_BUTTON(btn) \
do { \
if (press) mplayer_buffer |= 1 << btn; \
else mplayer_buffer &= ~(1 << btn); \
} while (0);
bool press = (button_action == APP_BUTTON_PUSH);
switch (pin_no)
{
case LEFT_BUTTON_PIN_NO:
HANDLE_BUTTON(MPLAYER_PREV);
break;