https://developer.mbed.org/users/TheoHavercroft/code/nrf51-sdk/
Fork of nRF51822 by
btle/btle_gap.cpp
- Committer:
- rgrover1
- Date:
- 2015-05-13
- Revision:
- 165:67fcad70785a
- Parent:
- 103:138bdc859cc9
- Child:
- 176:03a9fc49c21e
File content as of revision 165:67fcad70785a:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "common/common.h" #include "ble_gap.h" #include "ble_conn_params.h" static inline uint32_t msec_to_1_25msec(uint32_t interval_ms) ATTR_ALWAYS_INLINE ATTR_CONST; #if SDK_CONN_PARAMS_MODULE_ENABLE static void error_callback(uint32_t nrf_error); #endif // SDK_CONN_PARAMS_MODULE_ENABLE /**************************************************************************/ /*! @brief Initialise GAP in the underlying SoftDevice @returns */ /**************************************************************************/ error_t btle_gap_init(void) { ble_gap_conn_params_t gap_conn_params = {0}; gap_conn_params.min_conn_interval = msec_to_1_25msec(CFG_GAP_CONNECTION_MIN_INTERVAL_MS); // in 1.25ms units gap_conn_params.max_conn_interval = msec_to_1_25msec(CFG_GAP_CONNECTION_MAX_INTERVAL_MS); // in 1.25ms unit gap_conn_params.slave_latency = CFG_GAP_CONNECTION_SLAVE_LATENCY; gap_conn_params.conn_sup_timeout = CFG_GAP_CONNECTION_SUPERVISION_TIMEOUT_MS / 10; // in 10ms unit ble_gap_conn_sec_mode_t sec_mode; BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode); // no security is needed ASSERT_STATUS( sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *) CFG_GAP_LOCAL_NAME, strlen(CFG_GAP_LOCAL_NAME))); ASSERT_STATUS( sd_ble_gap_appearance_set(CFG_GAP_APPEARANCE)); ASSERT_STATUS( sd_ble_gap_ppcp_set(&gap_conn_params)); ASSERT_STATUS( sd_ble_gap_tx_power_set(CFG_BLE_TX_POWER_LEVEL)); /** * Call to conn_params_init() is not necessary; and so is disabled by default. * This API should be exposed to the user to be invoked when necessary. */ #if SDK_CONN_PARAMS_MODULE_ENABLE /* Connection Parameters */ enum { FIRST_UPDATE_DELAY = APP_TIMER_TICKS(5000, CFG_TIMER_PRESCALER), NEXT_UPDATE_DELAY = APP_TIMER_TICKS(5000, CFG_TIMER_PRESCALER), MAX_UPDATE_COUNT = 3 }; ble_conn_params_init_t cp_init = {0}; cp_init.p_conn_params = NULL; cp_init.first_conn_params_update_delay = FIRST_UPDATE_DELAY; cp_init.next_conn_params_update_delay = NEXT_UPDATE_DELAY; cp_init.max_conn_params_update_count = MAX_UPDATE_COUNT; cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID; cp_init.disconnect_on_fail = true; cp_init.evt_handler = NULL; cp_init.error_handler = error_callback; ASSERT_STATUS ( ble_conn_params_init(&cp_init)); #endif // SDK_CONN_PARAMS_MODULE_ENABLE return ERROR_NONE; } /**************************************************************************/ /*! @brief Converts msecs to an integer representing 1.25ms units @param[in] ms The number of milliseconds to conver to 1.25ms units @returns The number of 1.25ms units in the supplied number of ms */ /**************************************************************************/ static inline uint32_t msec_to_1_25msec(uint32_t interval_ms) { return (interval_ms * 4) / 5; } #if SDK_CONN_PARAMS_MODULE_ENABLE static void error_callback(uint32_t nrf_error) { ASSERT_STATUS_RET_VOID( nrf_error ); } #endif // SDK_CONN_PARAMS_MODULE_ENABLE void btle_gapStartScanning(void) { ble_gap_scan_params_t scanParams = { .active = 0, /**< If 1, perform active scanning (scan requests). */ .selective = 0, /**< If 1, ignore unknown devices (non whitelisted). */ .p_whitelist = NULL, /**< Pointer to whitelist, NULL if none is given. */ .interval = 1000, /**< Scan interval between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */ .window = 500, /**< Scan window between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */ .timeout = 0, /**< Scan timeout between 0x0001 and 0xFFFF in seconds, 0x0000 disables timeout. */ }; sd_ble_gap_scan_start(&scanParams); }