Maiko Matsumoto / Mbed 2 deprecated BLE_WallbotBLE_Challenge_byYUTAKA3

6/18 wallbot

Dependencies:   mbed

Fork of BLE_WallbotBLE_Challenge_byYUTAKA by Yutaka Yoshida

nRF51822/btle/btle_gap.cpp@0:76dfa9657d9d, 2014-11-12 (annotated)

Committer:
jksoft
Date:
Wed Nov 12 02:40:34 2014 +0000
Revision:
0:76dfa9657d9d
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:76dfa9657d9d 1 /* mbed Microcontroller Library
jksoft 0:76dfa9657d9d 2 * Copyright (c) 2006-2013 ARM Limited
jksoft 0:76dfa9657d9d 3 *
jksoft 0:76dfa9657d9d 4 * Licensed under the Apache License, Version 2.0 (the "License");
jksoft 0:76dfa9657d9d 5 * you may not use this file except in compliance with the License.
jksoft 0:76dfa9657d9d 6 * You may obtain a copy of the License at
jksoft 0:76dfa9657d9d 7 *
jksoft 0:76dfa9657d9d 8 * http://www.apache.org/licenses/LICENSE-2.0
jksoft 0:76dfa9657d9d 9 *
jksoft 0:76dfa9657d9d 10 * Unless required by applicable law or agreed to in writing, software
jksoft 0:76dfa9657d9d 11 * distributed under the License is distributed on an "AS IS" BASIS,
jksoft 0:76dfa9657d9d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jksoft 0:76dfa9657d9d 13 * See the License for the specific language governing permissions and
jksoft 0:76dfa9657d9d 14 * limitations under the License.
jksoft 0:76dfa9657d9d 15 */
jksoft 0:76dfa9657d9d 16 #include "common/common.h"
jksoft 0:76dfa9657d9d 17
jksoft 0:76dfa9657d9d 18 #include "app_timer.h"
jksoft 0:76dfa9657d9d 19 #include "ble_gap.h"
jksoft 0:76dfa9657d9d 20 #include "ble_conn_params.h"
jksoft 0:76dfa9657d9d 21
jksoft 0:76dfa9657d9d 22 static inline uint32_t msec_to_1_25msec(uint32_t interval_ms) ATTR_ALWAYS_INLINE ATTR_CONST;
jksoft 0:76dfa9657d9d 23 #if SDK_CONN_PARAMS_MODULE_ENABLE
jksoft 0:76dfa9657d9d 24 static void error_callback(uint32_t nrf_error);
jksoft 0:76dfa9657d9d 25 #endif // SDK_CONN_PARAMS_MODULE_ENABLE
jksoft 0:76dfa9657d9d 26
jksoft 0:76dfa9657d9d 27 /**************************************************************************/
jksoft 0:76dfa9657d9d 28 /*!
jksoft 0:76dfa9657d9d 29 @brief Initialise GAP in the underlying SoftDevice
jksoft 0:76dfa9657d9d 30
jksoft 0:76dfa9657d9d 31 @returns
jksoft 0:76dfa9657d9d 32 */
jksoft 0:76dfa9657d9d 33 /**************************************************************************/
jksoft 0:76dfa9657d9d 34 error_t btle_gap_init(void)
jksoft 0:76dfa9657d9d 35 {
jksoft 0:76dfa9657d9d 36 ble_gap_conn_params_t gap_conn_params = {0};
jksoft 0:76dfa9657d9d 37
jksoft 0:76dfa9657d9d 38 gap_conn_params.min_conn_interval = msec_to_1_25msec(CFG_GAP_CONNECTION_MIN_INTERVAL_MS); // in 1.25ms units
jksoft 0:76dfa9657d9d 39 gap_conn_params.max_conn_interval = msec_to_1_25msec(CFG_GAP_CONNECTION_MAX_INTERVAL_MS); // in 1.25ms unit
jksoft 0:76dfa9657d9d 40 gap_conn_params.slave_latency = CFG_GAP_CONNECTION_SLAVE_LATENCY;
jksoft 0:76dfa9657d9d 41 gap_conn_params.conn_sup_timeout = CFG_GAP_CONNECTION_SUPERVISION_TIMEOUT_MS / 10; // in 10ms unit
jksoft 0:76dfa9657d9d 42
jksoft 0:76dfa9657d9d 43 ble_gap_conn_sec_mode_t sec_mode;
jksoft 0:76dfa9657d9d 44 BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode); // no security is needed
jksoft 0:76dfa9657d9d 45
jksoft 0:76dfa9657d9d 46 ASSERT_STATUS( sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *) CFG_GAP_LOCAL_NAME, strlen(CFG_GAP_LOCAL_NAME)));
jksoft 0:76dfa9657d9d 47 ASSERT_STATUS( sd_ble_gap_appearance_set(CFG_GAP_APPEARANCE));
jksoft 0:76dfa9657d9d 48 ASSERT_STATUS( sd_ble_gap_ppcp_set(&gap_conn_params));
jksoft 0:76dfa9657d9d 49 ASSERT_STATUS( sd_ble_gap_tx_power_set(CFG_BLE_TX_POWER_LEVEL));
jksoft 0:76dfa9657d9d 50
jksoft 0:76dfa9657d9d 51 /**
jksoft 0:76dfa9657d9d 52 * Call to conn_params_init() is not necessary; and so is disabled by default.
jksoft 0:76dfa9657d9d 53 * This API should be exposed to the user to be invoked when necessary.
jksoft 0:76dfa9657d9d 54 */
jksoft 0:76dfa9657d9d 55 #if SDK_CONN_PARAMS_MODULE_ENABLE
jksoft 0:76dfa9657d9d 56 /* Connection Parameters */
jksoft 0:76dfa9657d9d 57 enum {
jksoft 0:76dfa9657d9d 58 FIRST_UPDATE_DELAY = APP_TIMER_TICKS(5000, CFG_TIMER_PRESCALER),
jksoft 0:76dfa9657d9d 59 NEXT_UPDATE_DELAY = APP_TIMER_TICKS(5000, CFG_TIMER_PRESCALER),
jksoft 0:76dfa9657d9d 60 MAX_UPDATE_COUNT = 3
jksoft 0:76dfa9657d9d 61 };
jksoft 0:76dfa9657d9d 62
jksoft 0:76dfa9657d9d 63 ble_conn_params_init_t cp_init = {0};
jksoft 0:76dfa9657d9d 64
jksoft 0:76dfa9657d9d 65 cp_init.p_conn_params = NULL;
jksoft 0:76dfa9657d9d 66 cp_init.first_conn_params_update_delay = FIRST_UPDATE_DELAY;
jksoft 0:76dfa9657d9d 67 cp_init.next_conn_params_update_delay = NEXT_UPDATE_DELAY;
jksoft 0:76dfa9657d9d 68 cp_init.max_conn_params_update_count = MAX_UPDATE_COUNT;
jksoft 0:76dfa9657d9d 69 cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID;
jksoft 0:76dfa9657d9d 70 cp_init.disconnect_on_fail = true;
jksoft 0:76dfa9657d9d 71 cp_init.evt_handler = NULL;
jksoft 0:76dfa9657d9d 72 cp_init.error_handler = error_callback;
jksoft 0:76dfa9657d9d 73
jksoft 0:76dfa9657d9d 74 ASSERT_STATUS ( ble_conn_params_init(&cp_init));
jksoft 0:76dfa9657d9d 75 #endif // SDK_CONN_PARAMS_MODULE_ENABLE
jksoft 0:76dfa9657d9d 76
jksoft 0:76dfa9657d9d 77 return ERROR_NONE;
jksoft 0:76dfa9657d9d 78 }
jksoft 0:76dfa9657d9d 79
jksoft 0:76dfa9657d9d 80 /**************************************************************************/
jksoft 0:76dfa9657d9d 81 /*!
jksoft 0:76dfa9657d9d 82 @brief Converts msecs to an integer representing 1.25ms units
jksoft 0:76dfa9657d9d 83
jksoft 0:76dfa9657d9d 84 @param[in] ms
jksoft 0:76dfa9657d9d 85 The number of milliseconds to conver to 1.25ms units
jksoft 0:76dfa9657d9d 86
jksoft 0:76dfa9657d9d 87 @returns The number of 1.25ms units in the supplied number of ms
jksoft 0:76dfa9657d9d 88 */
jksoft 0:76dfa9657d9d 89 /**************************************************************************/
jksoft 0:76dfa9657d9d 90 static inline uint32_t msec_to_1_25msec(uint32_t interval_ms)
jksoft 0:76dfa9657d9d 91 {
jksoft 0:76dfa9657d9d 92 return (interval_ms * 4) / 5;
jksoft 0:76dfa9657d9d 93 }
jksoft 0:76dfa9657d9d 94
jksoft 0:76dfa9657d9d 95 #if SDK_CONN_PARAMS_MODULE_ENABLE
jksoft 0:76dfa9657d9d 96 static void error_callback(uint32_t nrf_error)
jksoft 0:76dfa9657d9d 97 {
jksoft 0:76dfa9657d9d 98 ASSERT_STATUS_RET_VOID( nrf_error );
jksoft 0:76dfa9657d9d 99 }
jksoft 0:76dfa9657d9d 100 #endif // SDK_CONN_PARAMS_MODULE_ENABLE