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Dependents:   BLE_iBeacon_Exercise

Fork of BLE_API_Native by Kevin Townsend

hw/nRF51822n/btle/btle_gap.cpp@3:cb37056dbcc6, 2014-02-06 (annotated)

Committer:
ktownsend
Date:
Thu Feb 06 13:05:36 2014 +0000
Revision:
3:cb37056dbcc6
Parent:
hw/nRF51822n/btle/btle_gap.c@0:4c3097c65247 
Renamed files to cpp and removed extra IRQ handlers

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ktownsend 0:4c3097c65247 1 /* mbed Microcontroller Library
ktownsend 0:4c3097c65247 2 * Copyright (c) 2006-2013 ARM Limited
ktownsend 0:4c3097c65247 3 *
ktownsend 0:4c3097c65247 4 * Licensed under the Apache License, Version 2.0 (the "License");
ktownsend 0:4c3097c65247 5 * you may not use this file except in compliance with the License.
ktownsend 0:4c3097c65247 6 * You may obtain a copy of the License at
ktownsend 0:4c3097c65247 7 *
ktownsend 0:4c3097c65247 8 * http://www.apache.org/licenses/LICENSE-2.0
ktownsend 0:4c3097c65247 9 *
ktownsend 0:4c3097c65247 10 * Unless required by applicable law or agreed to in writing, software
ktownsend 0:4c3097c65247 11 * distributed under the License is distributed on an "AS IS" BASIS,
ktownsend 0:4c3097c65247 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ktownsend 0:4c3097c65247 13 * See the License for the specific language governing permissions and
ktownsend 0:4c3097c65247 14 * limitations under the License.
ktownsend 0:4c3097c65247 15 */
ktownsend 0:4c3097c65247 16 #include "common/common.h"
ktownsend 0:4c3097c65247 17
ktownsend 0:4c3097c65247 18 #include "app_timer.h"
ktownsend 0:4c3097c65247 19 #include "ble_gap.h"
ktownsend 0:4c3097c65247 20 #include "ble_conn_params.h"
ktownsend 0:4c3097c65247 21
ktownsend 0:4c3097c65247 22 static inline uint32_t msec_to_1_25msec(uint32_t interval_ms) ATTR_ALWAYS_INLINE ATTR_CONST;
ktownsend 0:4c3097c65247 23 static void error_callback(uint32_t nrf_error);
ktownsend 0:4c3097c65247 24
ktownsend 0:4c3097c65247 25 /**************************************************************************/
ktownsend 0:4c3097c65247 26 /*!
ktownsend 0:4c3097c65247 27 @brief Initialise GAP in the underlying SoftDevice
ktownsend 0:4c3097c65247 28
ktownsend 0:4c3097c65247 29 @returns
ktownsend 0:4c3097c65247 30 */
ktownsend 0:4c3097c65247 31 /**************************************************************************/
ktownsend 0:4c3097c65247 32 error_t btle_gap_init(void)
ktownsend 0:4c3097c65247 33 {
ktownsend 0:4c3097c65247 34 ble_gap_conn_params_t gap_conn_params = { 0 };
ktownsend 0:4c3097c65247 35
ktownsend 0:4c3097c65247 36 gap_conn_params.min_conn_interval = msec_to_1_25msec(CFG_GAP_CONNECTION_MIN_INTERVAL_MS) ; // in 1.25ms unit
ktownsend 0:4c3097c65247 37 gap_conn_params.max_conn_interval = msec_to_1_25msec(CFG_GAP_CONNECTION_MAX_INTERVAL_MS) ; // in 1.25ms unit
ktownsend 0:4c3097c65247 38 gap_conn_params.slave_latency = CFG_GAP_CONNECTION_SLAVE_LATENCY ;
ktownsend 0:4c3097c65247 39 gap_conn_params.conn_sup_timeout = CFG_GAP_CONNECTION_SUPERVISION_TIMEOUT_MS / 10 ; // in 10ms unit
ktownsend 0:4c3097c65247 40
ktownsend 0:4c3097c65247 41 ble_gap_conn_sec_mode_t sec_mode;
ktownsend 0:4c3097c65247 42 BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode); // no security is needed
ktownsend 0:4c3097c65247 43
ktownsend 0:4c3097c65247 44 ASSERT_STATUS( sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *) CFG_GAP_LOCAL_NAME, strlen(CFG_GAP_LOCAL_NAME)) );
ktownsend 0:4c3097c65247 45 ASSERT_STATUS( sd_ble_gap_appearance_set(CFG_GAP_APPEARANCE) );
ktownsend 0:4c3097c65247 46 ASSERT_STATUS( sd_ble_gap_ppcp_set(&gap_conn_params) );
ktownsend 0:4c3097c65247 47 ASSERT_STATUS( sd_ble_gap_tx_power_set(CFG_BLE_TX_POWER_LEVEL) );
ktownsend 0:4c3097c65247 48
ktownsend 0:4c3097c65247 49 /* Connection Parameters */
ktownsend 0:4c3097c65247 50 enum {
ktownsend 0:4c3097c65247 51 FIRST_UPDATE_DELAY = APP_TIMER_TICKS(5000, CFG_TIMER_PRESCALER),
ktownsend 0:4c3097c65247 52 NEXT_UPDATE_DELAY = APP_TIMER_TICKS(5000, CFG_TIMER_PRESCALER),
ktownsend 0:4c3097c65247 53 MAX_UPDATE_COUNT = 3
ktownsend 0:4c3097c65247 54 };
ktownsend 0:4c3097c65247 55
ktownsend 0:4c3097c65247 56 ble_conn_params_init_t cp_init = { 0 };
ktownsend 0:4c3097c65247 57
ktownsend 0:4c3097c65247 58 cp_init.p_conn_params = NULL ;
ktownsend 0:4c3097c65247 59 cp_init.first_conn_params_update_delay = FIRST_UPDATE_DELAY ;
ktownsend 0:4c3097c65247 60 cp_init.next_conn_params_update_delay = NEXT_UPDATE_DELAY ;
ktownsend 0:4c3097c65247 61 cp_init.max_conn_params_update_count = MAX_UPDATE_COUNT ;
ktownsend 0:4c3097c65247 62 cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID ;
ktownsend 0:4c3097c65247 63 cp_init.disconnect_on_fail = true ;
ktownsend 0:4c3097c65247 64 cp_init.evt_handler = NULL ;
ktownsend 0:4c3097c65247 65 cp_init.error_handler = error_callback;
ktownsend 0:4c3097c65247 66
ktownsend 0:4c3097c65247 67 ASSERT_STATUS ( ble_conn_params_init(&cp_init) );
ktownsend 0:4c3097c65247 68
ktownsend 0:4c3097c65247 69 return ERROR_NONE;
ktownsend 0:4c3097c65247 70 }
ktownsend 0:4c3097c65247 71
ktownsend 0:4c3097c65247 72 /**************************************************************************/
ktownsend 0:4c3097c65247 73 /*!
ktownsend 0:4c3097c65247 74 @brief Converts msecs to an integer representing 1.25ms units
ktownsend 0:4c3097c65247 75
ktownsend 0:4c3097c65247 76 @param[in] ms
ktownsend 0:4c3097c65247 77 The number of milliseconds to conver to 1.25ms units
ktownsend 0:4c3097c65247 78
ktownsend 0:4c3097c65247 79 @returns The number of 1.25ms units in the supplied number of ms
ktownsend 0:4c3097c65247 80 */
ktownsend 0:4c3097c65247 81 /**************************************************************************/
ktownsend 0:4c3097c65247 82 static inline uint32_t msec_to_1_25msec(uint32_t interval_ms)
ktownsend 0:4c3097c65247 83 {
ktownsend 0:4c3097c65247 84 return (interval_ms * 4) / 5 ;
ktownsend 0:4c3097c65247 85 }
ktownsend 0:4c3097c65247 86
ktownsend 0:4c3097c65247 87 static void error_callback(uint32_t nrf_error)
ktownsend 0:4c3097c65247 88 {
ktownsend 0:4c3097c65247 89 ASSERT_STATUS_RET_VOID( nrf_error );
ktownsend 0:4c3097c65247 90 }