From 4eed6a080410c9b34337c63f1160f065e16baba7 Mon Sep 17 00:00:00 2001 From: root Date: Mon, 31 Aug 2015 14:31:16 +0100 Subject: fish --- main.c | 1504 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1504 insertions(+) create mode 100644 main.c (limited to 'main.c') diff --git a/main.c b/main.c new file mode 100644 index 0000000..2a1c05c --- /dev/null +++ b/main.c @@ -0,0 +1,1504 @@ +/* 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_keyboard_main main.c + * @{ + * @ingroup ble_sdk_app_hids_keyboard + * @brief HID Keyboard Sample Application main file. + * + * This file contains is the source code for a sample application using the HID, Battery and Device + * Information Services for implementing a simple keyboard functionality. + * Pressing Button 0 will send text 'hello' to the connected peer. On receiving output report, + * it toggles the state of LED 2 on the mother board based on whether or not Caps Lock is on. + * This application uses the @ref app_scheduler. + * + * Also it would accept pairing requests from any peer device. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "bsp/bsp.h" +#include +#include "bsp/bsp_btn_ble.h" +#include +#include +#include +#include +#include +#include +#include + +#if BUTTONS_NUMBER <2 +#error "Not enough resources on board" +#endif + +#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 UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */ +#define UART_RX_BUF_SIZE 1 /**< UART RX buffer size. */ + +#define KEY_PRESS_BUTTON_ID 0 /**< Button used as Keyboard key press. */ +#define SHIFT_BUTTON_ID 1 /**< Button used as 'SHIFT' Key. */ + +#define DEVICE_NAME "Nordic_Keyboard" /**< 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 (4+BSP_APP_TIMERS_NUMBER) /**< 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 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. */ + +#define APP_ADV_FAST_INTERVAL 0x0028 /**< Fast advertising interval (in units of 0.625 ms. This value corresponds to 25 ms.). */ +#define APP_ADV_SLOW_INTERVAL 0x0C80 /**< Slow advertising interval (in units of 0.625 ms. This value corrsponds to 2 seconds). */ +#define APP_ADV_FAST_TIMEOUT 30 /**< The duration of the fast advertising period (in seconds). */ +#define APP_ADV_SLOW_TIMEOUT 180 /**< The duration of the slow advertising period (in seconds). */ + +/*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(30, UNIT_1_25_MS) /**< Maximum connection interval (30 ms). */ +#define SLAVE_LATENCY 6 /**< Slave latency. */ +#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(430, UNIT_10_MS) /**< Connection supervisory timeout (430 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_PARAMS_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */ + +#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 OUTPUT_REPORT_INDEX 0 /**< Index of Output Report. */ +#define OUTPUT_REPORT_MAX_LEN 1 /**< Maximum length of Output Report. */ +#define INPUT_REPORT_KEYS_INDEX 0 /**< Index of Input Report. */ +#define OUTPUT_REPORT_BIT_MASK_CAPS_LOCK 0x02 /**< CAPS LOCK bit in Output Report (based on 'LED Page (0x08)' of the Universal Serial Bus HID Usage Tables). */ +#define INPUT_REP_REF_ID 0 /**< Id of reference to Keyboard Input Report. */ +#define OUTPUT_REP_REF_ID 0 /**< Id of reference to Keyboard Output Report. */ + +#define APP_FEATURE_NOT_SUPPORTED BLE_GATT_STATUS_ATTERR_APP_BEGIN + 2 /**< Reply when unsupported features are requested. */ + +#define MAX_BUFFER_ENTRIES 5 /**< Number of elements that can be enqueued */ + +#define BASE_USB_HID_SPEC_VERSION 0x0101 /**< Version number of base USB HID Specification implemented by this application. */ + +#define INPUT_REPORT_KEYS_MAX_LEN 8 /**< Maximum length of the Input Report characteristic. */ + +#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ + +#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 MODIFIER_KEY_POS 0 /**< Position of the modifier byte in the Input Report. */ +#define SCAN_CODE_POS 2 /**< This macro indicates the start position of the key scan code in a HID Report. As per the document titled 'Device Class Definition for Human Interface Devices (HID) V1.11, each report shall have one modifier byte followed by a reserved constant byte and then the key scan code. */ +#define SHIFT_KEY_CODE 0x02 /**< Key code indicating the press of the Shift Key. */ + +#define MAX_KEYS_IN_ONE_REPORT (INPUT_REPORT_KEYS_MAX_LEN - SCAN_CODE_POS) /**< Maximum number of key presses that can be sent in one Input Report. */ + + +/**Buffer queue access macros + * + * @{ */ +/** Initialization of buffer list */ +#define BUFFER_LIST_INIT() \ + do \ + { \ + buffer_list.rp = 0; \ + buffer_list.wp = 0; \ + buffer_list.count = 0; \ + } while (0) + +/** Provide status of data list is full or not */ +#define BUFFER_LIST_FULL()\ + ((MAX_BUFFER_ENTRIES == buffer_list.count - 1) ? true : false) + +/** Provides status of buffer list is empty or not */ +#define BUFFER_LIST_EMPTY()\ + ((0 == buffer_list.count) ? true : false) + +#define BUFFER_ELEMENT_INIT(i)\ + do \ + { \ + buffer_list.buffer[(i)].p_data = NULL; \ + } while (0) + +/** @} */ + +typedef enum +{ + BLE_NO_ADV, /**< No advertising running. */ + BLE_DIRECTED_ADV, /**< Direct advertising to the latest central. */ + BLE_FAST_ADV_WHITELIST, /**< Advertising with whitelist. */ + BLE_FAST_ADV, /**< Fast advertising running. */ + BLE_SLOW_ADV, /**< Slow advertising running. */ + BLE_SLEEP, /**< Go to system-off. */ +} ble_advertising_mode_t; + +/** Abstracts buffer element */ +typedef struct hid_key_buffer +{ + uint8_t data_offset; /**< Max Data that can be buffered for all entries */ + uint8_t data_len; /**< Total length of data */ + uint8_t * p_data; /**< Scanned key pattern */ + ble_hids_t * p_instance; /**< Identifies peer and service instance */ +}buffer_entry_t; + +STATIC_ASSERT(sizeof(buffer_entry_t) % 4 == 0); + +/** Circular buffer list */ +typedef struct +{ + buffer_entry_t buffer[MAX_BUFFER_ENTRIES]; /**< Maximum number of entries that can enqueued in the list */ + uint8_t rp; /**< Index to the read location */ + uint8_t wp; /**< Index to write location */ + uint8_t count; /**< Number of elements in the list */ +}buffer_list_t; + +STATIC_ASSERT(sizeof(buffer_list_t) % 4 == 0); + +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 uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */ + +static sensorsim_cfg_t m_battery_sim_cfg; /**< Battery Level sensor simulator configuration. */ +static sensorsim_state_t m_battery_sim_state; /**< Battery Level sensor simulator state. */ + +static app_timer_id_t m_battery_timer_id; /**< Battery timer. */ + +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 bonded central. */ +static bool m_caps_on = false; /**< Variable to indicate if Caps Lock is turned on. */ + +static ble_uuid_t m_adv_uuids[] = {{BLE_UUID_HUMAN_INTERFACE_DEVICE_SERVICE, BLE_UUID_TYPE_BLE}}; + +static uint8_t m_sample_key_press_scan_str[] = /**< Key pattern to be sent when the key press button has been pushed. */ +{ + 0x0b, /* Key h */ + 0x08, /* Key e */ + 0x0f, /* Key l */ + 0x0f, /* Key l */ + 0x12, /* Key o */ + 0x28 /* Key Return */ +}; + +static uint8_t m_caps_on_key_scan_str[] = /**< Key pattern to be sent when the output report has been written with the CAPS LOCK bit set. */ +{ + 0x06, /* Key C */ + 0x04, /* Key a */ + 0x13, /* Key p */ + 0x16, /* Key s */ + 0x12, /* Key o */ + 0x11, /* Key n */ +}; + +static uint8_t m_caps_off_key_scan_str[] = /**< Key pattern to be sent when the output report has been written with the CAPS LOCK bit cleared. */ +{ + 0x06, /* Key C */ + 0x04, /* Key a */ + 0x13, /* Key p */ + 0x16, /* Key s */ + 0x12, /* Key o */ + 0x09, /* Key f */ +}; + + +/** List to enqueue not just data to be sent, but also related information like the handle, connection handle etc */ +static buffer_list_t buffer_list; + +static void on_hids_evt(ble_hids_t * p_hids, ble_hids_evt_t * p_evt); + +/**@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 handling advertising errors. + * + * @param[in] nrf_error Error code containing information about what went wrong. + */ +static void ble_advertising_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)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 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_APPSH_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_KEYBOARD); + 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 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 input_report_array[1]; + ble_hids_inp_rep_init_t * p_input_report; + ble_hids_outp_rep_init_t output_report_array[1]; + ble_hids_outp_rep_init_t * p_output_report; + uint8_t hid_info_flags; + + memset((void *)input_report_array, 0, sizeof(ble_hids_inp_rep_init_t)); + memset((void *)output_report_array, 0, sizeof(ble_hids_outp_rep_init_t)); + + static uint8_t report_map_data[] = + { + 0x05, 0x01, // Usage Page (Generic Desktop) + 0x09, 0x06, // Usage (Keyboard) + 0xA1, 0x01, // Collection (Application) + 0x05, 0x07, // Usage Page (Key Codes) + 0x19, 0xe0, // Usage Minimum (224) + 0x29, 0xe7, // Usage Maximum (231) + 0x15, 0x00, // Logical Minimum (0) + 0x25, 0x01, // Logical Maximum (1) + 0x75, 0x01, // Report Size (1) + 0x95, 0x08, // Report Count (8) + 0x81, 0x02, // Input (Data, Variable, Absolute) + + 0x95, 0x01, // Report Count (1) + 0x75, 0x08, // Report Size (8) + 0x81, 0x01, // Input (Constant) reserved byte(1) + + 0x95, 0x05, // Report Count (5) + 0x75, 0x01, // Report Size (1) + 0x05, 0x08, // Usage Page (Page# for LEDs) + 0x19, 0x01, // Usage Minimum (1) + 0x29, 0x05, // Usage Maximum (5) + 0x91, 0x02, // Output (Data, Variable, Absolute), Led report + 0x95, 0x01, // Report Count (1) + 0x75, 0x03, // Report Size (3) + 0x91, 0x01, // Output (Data, Variable, Absolute), Led report padding + + 0x95, 0x06, // Report Count (6) + 0x75, 0x08, // Report Size (8) + 0x15, 0x00, // Logical Minimum (0) + 0x25, 0x65, // Logical Maximum (101) + 0x05, 0x07, // Usage Page (Key codes) + 0x19, 0x00, // Usage Minimum (0) + 0x29, 0x65, // Usage Maximum (101) + 0x81, 0x00, // Input (Data, Array) Key array(6 bytes) + + 0x09, 0x05, // Usage (Vendor Defined) + 0x15, 0x00, // Logical Minimum (0) + 0x26, 0xFF, 0x00, // Logical Maximum (255) + 0x75, 0x08, // Report Count (2) + 0x95, 0x02, // Report Size (8 bit) + 0xB1, 0x02, // Feature (Data, Variable, Absolute) + + 0xC0 // End Collection (Application) + }; + + // Initialize HID Service + p_input_report = &input_report_array[INPUT_REPORT_KEYS_INDEX]; + p_input_report->max_len = INPUT_REPORT_KEYS_MAX_LEN; + p_input_report->rep_ref.report_id = INPUT_REP_REF_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); + + p_output_report = &output_report_array[OUTPUT_REPORT_INDEX]; + p_output_report->max_len = OUTPUT_REPORT_MAX_LEN; + p_output_report->rep_ref.report_id = OUTPUT_REP_REF_ID; + p_output_report->rep_ref.report_type = BLE_HIDS_REP_TYPE_OUTPUT; + + BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&p_output_report->security_mode.read_perm); + BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&p_output_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 = true; + hids_init_obj.is_mouse = false; + hids_init_obj.inp_rep_count = 1; + hids_init_obj.p_inp_rep_array = input_report_array; + hids_init_obj.outp_rep_count = 1; + hids_init_obj.p_outp_rep_array = output_report_array; + hids_init_obj.feature_rep_count = 0; + hids_init_obj.p_feature_rep_array = NULL; + hids_init_obj.rep_map.data_len = sizeof(report_map_data); + hids_init_obj.rep_map.p_data = report_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_kb_inp_rep.cccd_write_perm); + BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&hids_init_obj.security_mode_boot_kb_inp_rep.read_perm); + BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&hids_init_obj.security_mode_boot_kb_inp_rep.write_perm); + BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&hids_init_obj.security_mode_boot_kb_outp_rep.read_perm); + BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&hids_init_obj.security_mode_boot_kb_outp_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_simulator_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; + + 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_PARAMS_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 checking if the Shift key is pressed. + * + * @returns true if the SHIFT_BUTTON is pressed. false otherwise. + */ +static bool is_shift_key_pressed(void) +{ + bool result; + uint32_t err_code = bsp_button_is_pressed(SHIFT_BUTTON_ID,&result); + APP_ERROR_CHECK(err_code); + return result; +} + + +/**@brief Function for transmitting a key scan Press & Release Notification. + * + * @warning This handler is an example only. You need to analyze how you wish to send the key + * release. + * + * @param[in] p_instance Identifies the service for which Key Notifications are requested. + * @param[in] p_key_pattern Pointer to key pattern. + * @param[in] pattern_len Length of key pattern. 0 < pattern_len < 7. + * @param[in] pattern_offset Offset applied to Key Pattern for transmission. + * @param[out] actual_len Provides actual length of Key Pattern transmitted, making buffering of + * rest possible if needed. + * @return NRF_SUCCESS on success, BLE_ERROR_NO_TX_BUFFERS in case transmission could not be + * completed due to lack of transmission buffer or other error codes indicating reason + * for failure. + * + * @note In case of BLE_ERROR_NO_TX_BUFFERS, remaining pattern that could not be transmitted + * can be enqueued \ref buffer_enqueue function. + * In case a pattern of 'cofFEe' is the p_key_pattern, with pattern_len as 6 and + * pattern_offset as 0, the notifications as observed on the peer side would be + * 1> 'c', 'o', 'f', 'F', 'E', 'e' + * 2> - , 'o', 'f', 'F', 'E', 'e' + * 3> - , -, 'f', 'F', 'E', 'e' + * 4> - , -, -, 'F', 'E', 'e' + * 5> - , -, -, -, 'E', 'e' + * 6> - , -, -, -, -, 'e' + * 7> - , -, -, -, -, - + * Here, '-' refers to release, 'c' refers to the key character being transmitted. + * Therefore 7 notifications will be sent. + * In case an offset of 4 was provided, the pattern notifications sent will be from 5-7 + * will be transmitted. + */ +static uint32_t send_key_scan_press_release(ble_hids_t * p_hids, + uint8_t * p_key_pattern, + uint16_t pattern_len, + uint16_t pattern_offset, + uint16_t * p_actual_len) +{ + uint32_t err_code; + uint16_t offset; + uint16_t data_len; + uint8_t data[INPUT_REPORT_KEYS_MAX_LEN]; + + // HID Report Descriptor enumerates an array of size 6, the pattern hence shall not be any + // longer than this. + STATIC_ASSERT((INPUT_REPORT_KEYS_MAX_LEN - 2) == 6); + + ASSERT(pattern_len <= (INPUT_REPORT_KEYS_MAX_LEN - 2)); + + offset = pattern_offset; + data_len = pattern_len; + + do + { + // Reset the data buffer. + memset(data, 0, sizeof(data)); + + // Copy the scan code. + memcpy(data + SCAN_CODE_POS + offset, p_key_pattern + offset, data_len - offset); + + if (is_shift_key_pressed()) + { + data[MODIFIER_KEY_POS] |= SHIFT_KEY_CODE; + } + + if (!m_in_boot_mode) + { + err_code = ble_hids_inp_rep_send(p_hids, + INPUT_REPORT_KEYS_INDEX, + INPUT_REPORT_KEYS_MAX_LEN, + data); + } + else + { + err_code = ble_hids_boot_kb_inp_rep_send(p_hids, + INPUT_REPORT_KEYS_MAX_LEN, + data); + } + + if (err_code != NRF_SUCCESS) + { + break; + } + + offset++; + } while (offset <= data_len); + + *p_actual_len = offset; + + return err_code; +} + + +/**@brief Function for initializing the buffer queue used to key events that could not be + * transmitted + * + * @warning This handler is an example only. You need to analyze how you wish to buffer or buffer at + * all. + * + * @note In case of HID keyboard, a temporary buffering could be employed to handle scenarios + * where encryption is not yet enabled or there was a momentary link loss or there were no + * Transmit buffers. + */ +static void buffer_init(void) +{ + uint32_t buffer_count; + + BUFFER_LIST_INIT(); + + for (buffer_count = 0; buffer_count < MAX_BUFFER_ENTRIES; buffer_count++) + { + BUFFER_ELEMENT_INIT(buffer_count); + } +} + + +/**@brief Function for enqueuing key scan patterns that could not be transmitted either completely + * or partially. + * + * @warning This handler is an example only. You need to analyze how you wish to send the key + * release. + * + * @param[in] p_hids Identifies the service for which Key Notifications are buffered. + * @param[in] p_key_pattern Pointer to key pattern. + * @param[in] pattern_len Length of key pattern. + * @param[in] offset Offset applied to Key Pattern when requesting a transmission on + * dequeue, @ref buffer_dequeue. + * @return NRF_SUCCESS on success, else an error code indicating reason for failure. + */ +static uint32_t buffer_enqueue(ble_hids_t * p_hids, + uint8_t * p_key_pattern, + uint16_t pattern_len, + uint16_t offset) +{ + buffer_entry_t * element; + uint32_t err_code = NRF_SUCCESS; + + if (BUFFER_LIST_FULL()) + { + // Element cannot be buffered. + err_code = NRF_ERROR_NO_MEM; + } + else + { + // Make entry of buffer element and copy data. + element = &buffer_list.buffer[(buffer_list.wp)]; + element->p_instance = p_hids; + element->p_data = p_key_pattern; + element->data_offset = offset; + element->data_len = pattern_len; + + buffer_list.count++; + buffer_list.wp++; + + if (buffer_list.wp == MAX_BUFFER_ENTRIES) + { + buffer_list.wp = 0; + } + } + + return err_code; +} + + +/**@brief Function to dequeue key scan patterns that could not be transmitted either completely of + * partially. + * + * @warning This handler is an example only. You need to analyze how you wish to send the key + * release. + * + * @param[in] tx_flag Indicative of whether the dequeue should result in transmission or not. + * @note A typical example when all keys are dequeued with transmission is when link is + * disconnected. + * + * @return NRF_SUCCESS on success, else an error code indicating reason for failure. + */ +static uint32_t buffer_dequeue(bool tx_flag) +{ + buffer_entry_t * p_element; + uint32_t err_code = NRF_SUCCESS; + uint16_t actual_len; + + if (BUFFER_LIST_EMPTY()) + { + err_code = NRF_ERROR_NOT_FOUND; + } + else + { + bool remove_element = true; + + p_element = &buffer_list.buffer[(buffer_list.rp)]; + + if (tx_flag) + { + err_code = send_key_scan_press_release(p_element->p_instance, + p_element->p_data, + p_element->data_len, + p_element->data_offset, + &actual_len); + // An additional notification is needed for release of all keys, therefore check + // is for actual_len <= element->data_len and not actual_len < element->data_len + if ((err_code == BLE_ERROR_NO_TX_BUFFERS) && (actual_len <= p_element->data_len)) + { + // Transmission could not be completed, do not remove the entry, adjust next data to + // be transmitted + p_element->data_offset = actual_len; + remove_element = false; + } + } + + if (remove_element) + { + BUFFER_ELEMENT_INIT(buffer_list.rp); + + buffer_list.rp++; + buffer_list.count--; + + if (buffer_list.rp == MAX_BUFFER_ENTRIES) + { + buffer_list.rp = 0; + } + } + } + + return err_code; +} + + +/**@brief Function for sending sample key presses to the peer. + * + * @param[in] key_pattern_len Pattern length. + * @param[in] p_key_pattern Pattern to be sent. + */ +static void keys_send(uint8_t key_pattern_len, uint8_t * p_key_pattern) +{ + uint32_t err_code; + uint16_t actual_len; + + err_code = send_key_scan_press_release(&m_hids, + p_key_pattern, + key_pattern_len, + 0, + &actual_len); + // An additional notification is needed for release of all keys, therefore check + // is for actual_len <= key_pattern_len and not actual_len < key_pattern_len. + if ((err_code == BLE_ERROR_NO_TX_BUFFERS) && (actual_len <= key_pattern_len)) + { + // Buffer enqueue routine return value is not intentionally checked. + // Rationale: Its better to have a a few keys missing than have a system + // reset. Recommendation is to work out most optimal value for + // MAX_BUFFER_ENTRIES to minimize chances of buffer queue full condition + UNUSED_VARIABLE(buffer_enqueue(&m_hids, p_key_pattern, key_pattern_len, actual_len)); + } + + + 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 HID Report Characteristic Write event. + * + * @param[in] p_evt HID service event. + */ +static void on_hid_rep_char_write(ble_hids_evt_t *p_evt) +{ + if (p_evt->params.char_write.char_id.rep_type == BLE_HIDS_REP_TYPE_OUTPUT) + { + uint32_t err_code; + uint8_t report_val; + uint8_t report_index = p_evt->params.char_write.char_id.rep_index; + + if (report_index == OUTPUT_REPORT_INDEX) + { + // This code assumes that the outptu report is one byte long. Hence the following + // static assert is made. + STATIC_ASSERT(OUTPUT_REPORT_MAX_LEN == 1); + + err_code = ble_hids_outp_rep_get(&m_hids, + report_index, + OUTPUT_REPORT_MAX_LEN, + 0, + &report_val); + APP_ERROR_CHECK(err_code); + + if (!m_caps_on && ((report_val & OUTPUT_REPORT_BIT_MASK_CAPS_LOCK) != 0)) + { + // Caps Lock is turned On. + err_code = bsp_indication_set(BSP_INDICATE_ALERT_3); + APP_ERROR_CHECK(err_code); + + keys_send(sizeof(m_caps_on_key_scan_str), m_caps_on_key_scan_str); + m_caps_on = true; + } + else if (m_caps_on && ((report_val & OUTPUT_REPORT_BIT_MASK_CAPS_LOCK) == 0)) + { + // Caps Lock is turned Off . + err_code = bsp_indication_set(BSP_INDICATE_ALERT_OFF); + APP_ERROR_CHECK(err_code); + + keys_send(sizeof(m_caps_off_key_scan_str), m_caps_off_key_scan_str); + m_caps_on = false; + } + else + { + // The report received is not supported by this application. Do nothing. + } + } + } +} + + +/**@brief Function for putting the chip into sleep mode. + * + * @note This function will not return. + */ +static void sleep_mode_enter(void) +{ + uint32_t err_code = bsp_indication_set(BSP_INDICATE_IDLE); + APP_ERROR_CHECK(err_code); + + // Prepare wakeup buttons. + err_code = bsp_btn_ble_sleep_mode_prepare(); + APP_ERROR_CHECK(err_code); + + // 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); +} + + +/**@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_REP_CHAR_WRITE: + on_hid_rep_char_write(p_evt); + 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_KEYBOARD_INPUT_REPORT_CHAR + ) + { + // The notification of boot keyboard 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 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 + { + // Do nothing. + } + } + else if (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 input report + // is changed. 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 advertising events. + * + * @details This function will be called for advertising events which are passed to the application. + * + * @param[in] ble_adv_evt Advertising event. + */ +static void on_adv_evt(ble_adv_evt_t ble_adv_evt) +{ + uint32_t err_code; + + switch (ble_adv_evt) + { + case BLE_ADV_EVT_DIRECTED: + err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING_DIRECTED); + APP_ERROR_CHECK(err_code); + break; + case BLE_ADV_EVT_FAST: + err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING); + APP_ERROR_CHECK(err_code); + break; + case BLE_ADV_EVT_SLOW: + err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING_SLOW); + APP_ERROR_CHECK(err_code); + break; + case BLE_ADV_EVT_FAST_WHITELIST: + err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING_WHITELIST); + APP_ERROR_CHECK(err_code); + break; + case BLE_ADV_EVT_SLOW_WHITELIST: + err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING_WHITELIST); + APP_ERROR_CHECK(err_code); + break; + case BLE_ADV_EVT_IDLE: + sleep_mode_enter(); + break; + + case BLE_ADV_EVT_WHITELIST_REQUEST: + { + ble_gap_whitelist_t 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); + + err_code = ble_advertising_whitelist_reply(&whitelist); + APP_ERROR_CHECK(err_code); + break; + } + case BLE_ADV_EVT_PEER_ADDR_REQUEST: + { + ble_gap_addr_t peer_address; + + // Only Give peer address if we have a handle to the bonded peer. + if(m_bonded_peer_handle.appl_id != DM_INVALID_ID) + { + + err_code = dm_peer_addr_get(&m_bonded_peer_handle, &peer_address); + APP_ERROR_CHECK(err_code); + + err_code = ble_advertising_peer_addr_reply(&peer_address); + APP_ERROR_CHECK(err_code); + + } + break; + } + default: + 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; + ble_gatts_rw_authorize_reply_params_t auth_reply; + + switch (p_ble_evt->header.evt_id) + { + case BLE_GAP_EVT_CONNECTED: + err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); + APP_ERROR_CHECK(err_code); + + m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle; + break; + + case BLE_EVT_TX_COMPLETE: + // Send next key event + (void) buffer_dequeue(true); + break; + + case BLE_GAP_EVT_DISCONNECTED: + // Dequeue all keys without transmission. + (void) buffer_dequeue(false); + + m_conn_handle = BLE_CONN_HANDLE_INVALID; + + // Reset m_caps_on variable. Upon reconnect, the HID host will re-send the Output + // report containing the Caps lock state. + m_caps_on = false; + // disabling alert 3. signal - used for capslock ON + err_code = bsp_indication_set(BSP_INDICATE_ALERT_OFF); + APP_ERROR_CHECK(err_code); + break; + + case BLE_EVT_USER_MEM_REQUEST: + err_code = sd_ble_user_mem_reply(m_conn_handle, NULL); + APP_ERROR_CHECK(err_code); + break; + + case BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST: + if(p_ble_evt->evt.gatts_evt.params.authorize_request.type + != BLE_GATTS_AUTHORIZE_TYPE_INVALID) + { + if ((p_ble_evt->evt.gatts_evt.params.authorize_request.request.write.op + == BLE_GATTS_OP_PREP_WRITE_REQ) + || (p_ble_evt->evt.gatts_evt.params.authorize_request.request.write.op + == BLE_GATTS_OP_EXEC_WRITE_REQ_NOW) + || (p_ble_evt->evt.gatts_evt.params.authorize_request.request.write.op + == BLE_GATTS_OP_EXEC_WRITE_REQ_CANCEL)) + { + if (p_ble_evt->evt.gatts_evt.params.authorize_request.type + == BLE_GATTS_AUTHORIZE_TYPE_WRITE) + { + auth_reply.type = BLE_GATTS_AUTHORIZE_TYPE_WRITE; + } + else + { + auth_reply.type = BLE_GATTS_AUTHORIZE_TYPE_READ; + } + auth_reply.params.write.gatt_status = APP_FEATURE_NOT_SUPPORTED; + err_code = sd_ble_gatts_rw_authorize_reply(m_conn_handle,&auth_reply); + APP_ERROR_CHECK(err_code); + } + } + 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 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); + bsp_btn_ble_on_ble_evt(p_ble_evt); + on_ble_evt(p_ble_evt); + ble_advertising_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); + ble_advertising_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_APPSH_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, true); + + // Enable BLE stack + ble_enable_params_t ble_enable_params; + memset(&ble_enable_params, 0, sizeof(ble_enable_params)); +#ifdef S130 + ble_enable_params.gatts_enable_params.attr_tab_size = BLE_GATTS_ATTR_TAB_SIZE_DEFAULT; +#endif + 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); +} + + +/**@brief Function for handling events from the BSP module. + * + * @param[in] event Event generated by button press. + */ +static void bsp_event_handler(bsp_event_t event) +{ + uint32_t err_code; + static uint8_t * p_key = m_sample_key_press_scan_str; + static uint8_t size = 0; + + switch (event) + { + case BSP_EVENT_SLEEP: + sleep_mode_enter(); + break; + + case BSP_EVENT_DISCONNECT: + err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); + if (err_code != NRF_ERROR_INVALID_STATE) + { + APP_ERROR_CHECK(err_code); + } + break; + + case BSP_EVENT_WHITELIST_OFF: + err_code = ble_advertising_restart_without_whitelist(); + if (err_code != NRF_ERROR_INVALID_STATE) + { + APP_ERROR_CHECK(err_code); + } + break; + + case BSP_EVENT_KEY_0: + if (m_conn_handle != BLE_CONN_HANDLE_INVALID) + { + keys_send(1, p_key); + p_key++; + size++; + if (size == MAX_KEYS_IN_ONE_REPORT) + { + p_key = m_sample_key_press_scan_str; + size = 0; + } + } + break; + + default: + break; + } +} + + +/**@brief Function for initializing the Advertising functionality. + */ +static void advertising_init(void) +{ + uint32_t err_code; + uint8_t adv_flags; + ble_advdata_t advdata; + + // Build and set advertising data + memset(&advdata, 0, sizeof(advdata)); + + adv_flags = BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE; + advdata.name_type = BLE_ADVDATA_FULL_NAME; + advdata.include_appearance = true; + advdata.flags = adv_flags; + advdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]); + advdata.uuids_complete.p_uuids = m_adv_uuids; + + ble_adv_modes_config_t options = + { + BLE_ADV_WHITELIST_ENABLED, + BLE_ADV_DIRECTED_ENABLED, + BLE_ADV_DIRECTED_SLOW_DISABLED, 0,0, + BLE_ADV_FAST_ENABLED, APP_ADV_FAST_INTERVAL, APP_ADV_FAST_TIMEOUT, + BLE_ADV_SLOW_ENABLED, APP_ADV_SLOW_INTERVAL, APP_ADV_SLOW_TIMEOUT + }; + + err_code = ble_advertising_init(&advdata, NULL, &options, on_adv_evt, ble_advertising_error_handler); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for handling the Device Manager events. + * + * @param[in] p_evt Data associated to the device manager event. + */ +static uint32_t device_manager_evt_handler(dm_handle_t const * p_handle, + dm_event_t const * p_event, + ret_code_t event_result) +{ + APP_ERROR_CHECK(event_result); + + switch(p_event->event_id) + { + case DM_EVT_DEVICE_CONTEXT_LOADED: // Fall through. + case DM_EVT_SECURITY_SETUP_COMPLETE: + m_bonded_peer_handle = (*p_handle); + break; + } + + return NRF_SUCCESS; +} + + +/**@brief Function for the Device Manager initialization. + * + * @param[in] erase_bonds Indicates whether bonding information should be cleared from + * persistent storage during initialization of the Device Manager. + */ +static void device_manager_init(bool erase_bonds) +{ + uint32_t err_code; + dm_init_param_t init_param = {.clear_persistent_data = erase_bonds}; + dm_application_param_t register_param; + + // Initialize peer device handle. + err_code = dm_handle_initialize(&m_bonded_peer_handle); + APP_ERROR_CHECK(err_code); + + // Initialize persistent storage module. + err_code = pstorage_init(); + APP_ERROR_CHECK(err_code); + + err_code = dm_init(&init_param); + APP_ERROR_CHECK(err_code); + + memset(®ister_param.sec_param, 0, sizeof(ble_gap_sec_params_t)); + + register_param.sec_param.bond = SEC_PARAM_BOND; + register_param.sec_param.mitm = SEC_PARAM_MITM; + register_param.sec_param.io_caps = SEC_PARAM_IO_CAPABILITIES; + register_param.sec_param.oob = SEC_PARAM_OOB; + register_param.sec_param.min_key_size = SEC_PARAM_MIN_KEY_SIZE; + register_param.sec_param.max_key_size = SEC_PARAM_MAX_KEY_SIZE; + register_param.evt_handler = device_manager_evt_handler; + register_param.service_type = DM_PROTOCOL_CNTXT_GATT_SRVR_ID; + + err_code = dm_register(&m_app_handle, ®ister_param); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for initializing buttons and leds. + * + * @param[out] p_erase_bonds Will be true if the clear bonding button was pressed to wake the application up. + */ +static void buttons_leds_init(bool * p_erase_bonds) +{ + bsp_event_t startup_event; + + uint32_t err_code = bsp_init(BSP_INIT_LED | BSP_INIT_BUTTONS, + APP_TIMER_TICKS(100, APP_TIMER_PRESCALER), + bsp_event_handler); + APP_ERROR_CHECK(err_code); + + err_code = bsp_btn_ble_init(NULL, &startup_event); + APP_ERROR_CHECK(err_code); + + *p_erase_bonds = (startup_event == BSP_EVENT_CLEAR_BONDING_DATA); +} + + +/**@brief Function for the Power manager. + */ +static void power_manage(void) +{ + uint32_t err_code = sd_app_evt_wait(); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for application main entry. + */ +int main(void) +{ + bool erase_bonds; + uint32_t err_code; + + // Initialize. + app_trace_init(); + timers_init(); + buttons_leds_init(&erase_bonds); + ble_stack_init(); + scheduler_init(); + device_manager_init(erase_bonds); + gap_params_init(); + advertising_init(); + services_init(); + sensor_simulator_init(); + conn_params_init(); + buffer_init(); + + // Start execution. + timers_start(); + err_code = ble_advertising_start(BLE_ADV_MODE_FAST); + APP_ERROR_CHECK(err_code); + + // Enter main loop. + for (;;) + { + app_sched_execute(); + power_manage(); + } +} + +/** + * @} + */ -- cgit v1.2.3