To get started with Seeed Tiny BLE, include detecting motion, button and battery level.
Dependencies: BLE_API eMPL_MPU6050 mbed nRF51822
nRF51822/btle/btle_gap.cpp@1:fc2f9d636751, 2015-04-22 (annotated)
- Committer:
- yihui
- Date:
- Wed Apr 22 07:47:17 2015 +0000
- Revision:
- 1:fc2f9d636751
update libraries; ; delete nRF51822/nordic-sdk/components/gpiote/app_gpiote.c to solve GPIOTE_IRQHandler multiply defined issue. temperarily change nRF51822 library to folder
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
yihui | 1:fc2f9d636751 | 1 | /* mbed Microcontroller Library |
yihui | 1:fc2f9d636751 | 2 | * Copyright (c) 2006-2013 ARM Limited |
yihui | 1:fc2f9d636751 | 3 | * |
yihui | 1:fc2f9d636751 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
yihui | 1:fc2f9d636751 | 5 | * you may not use this file except in compliance with the License. |
yihui | 1:fc2f9d636751 | 6 | * You may obtain a copy of the License at |
yihui | 1:fc2f9d636751 | 7 | * |
yihui | 1:fc2f9d636751 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
yihui | 1:fc2f9d636751 | 9 | * |
yihui | 1:fc2f9d636751 | 10 | * Unless required by applicable law or agreed to in writing, software |
yihui | 1:fc2f9d636751 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
yihui | 1:fc2f9d636751 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
yihui | 1:fc2f9d636751 | 13 | * See the License for the specific language governing permissions and |
yihui | 1:fc2f9d636751 | 14 | * limitations under the License. |
yihui | 1:fc2f9d636751 | 15 | */ |
yihui | 1:fc2f9d636751 | 16 | #include "common/common.h" |
yihui | 1:fc2f9d636751 | 17 | |
yihui | 1:fc2f9d636751 | 18 | #include "ble_gap.h" |
yihui | 1:fc2f9d636751 | 19 | #include "ble_conn_params.h" |
yihui | 1:fc2f9d636751 | 20 | |
yihui | 1:fc2f9d636751 | 21 | static inline uint32_t msec_to_1_25msec(uint32_t interval_ms) ATTR_ALWAYS_INLINE ATTR_CONST; |
yihui | 1:fc2f9d636751 | 22 | #if SDK_CONN_PARAMS_MODULE_ENABLE |
yihui | 1:fc2f9d636751 | 23 | static void error_callback(uint32_t nrf_error); |
yihui | 1:fc2f9d636751 | 24 | #endif // SDK_CONN_PARAMS_MODULE_ENABLE |
yihui | 1:fc2f9d636751 | 25 | |
yihui | 1:fc2f9d636751 | 26 | /**************************************************************************/ |
yihui | 1:fc2f9d636751 | 27 | /*! |
yihui | 1:fc2f9d636751 | 28 | @brief Initialise GAP in the underlying SoftDevice |
yihui | 1:fc2f9d636751 | 29 | |
yihui | 1:fc2f9d636751 | 30 | @returns |
yihui | 1:fc2f9d636751 | 31 | */ |
yihui | 1:fc2f9d636751 | 32 | /**************************************************************************/ |
yihui | 1:fc2f9d636751 | 33 | error_t btle_gap_init(void) |
yihui | 1:fc2f9d636751 | 34 | { |
yihui | 1:fc2f9d636751 | 35 | ble_gap_conn_params_t gap_conn_params = {0}; |
yihui | 1:fc2f9d636751 | 36 | |
yihui | 1:fc2f9d636751 | 37 | gap_conn_params.min_conn_interval = msec_to_1_25msec(CFG_GAP_CONNECTION_MIN_INTERVAL_MS); // in 1.25ms units |
yihui | 1:fc2f9d636751 | 38 | gap_conn_params.max_conn_interval = msec_to_1_25msec(CFG_GAP_CONNECTION_MAX_INTERVAL_MS); // in 1.25ms unit |
yihui | 1:fc2f9d636751 | 39 | gap_conn_params.slave_latency = CFG_GAP_CONNECTION_SLAVE_LATENCY; |
yihui | 1:fc2f9d636751 | 40 | gap_conn_params.conn_sup_timeout = CFG_GAP_CONNECTION_SUPERVISION_TIMEOUT_MS / 10; // in 10ms unit |
yihui | 1:fc2f9d636751 | 41 | |
yihui | 1:fc2f9d636751 | 42 | ble_gap_conn_sec_mode_t sec_mode; |
yihui | 1:fc2f9d636751 | 43 | BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode); // no security is needed |
yihui | 1:fc2f9d636751 | 44 | |
yihui | 1:fc2f9d636751 | 45 | ASSERT_STATUS( sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *) CFG_GAP_LOCAL_NAME, strlen(CFG_GAP_LOCAL_NAME))); |
yihui | 1:fc2f9d636751 | 46 | ASSERT_STATUS( sd_ble_gap_appearance_set(CFG_GAP_APPEARANCE)); |
yihui | 1:fc2f9d636751 | 47 | ASSERT_STATUS( sd_ble_gap_ppcp_set(&gap_conn_params)); |
yihui | 1:fc2f9d636751 | 48 | ASSERT_STATUS( sd_ble_gap_tx_power_set(CFG_BLE_TX_POWER_LEVEL)); |
yihui | 1:fc2f9d636751 | 49 | |
yihui | 1:fc2f9d636751 | 50 | /** |
yihui | 1:fc2f9d636751 | 51 | * Call to conn_params_init() is not necessary; and so is disabled by default. |
yihui | 1:fc2f9d636751 | 52 | * This API should be exposed to the user to be invoked when necessary. |
yihui | 1:fc2f9d636751 | 53 | */ |
yihui | 1:fc2f9d636751 | 54 | #if SDK_CONN_PARAMS_MODULE_ENABLE |
yihui | 1:fc2f9d636751 | 55 | /* Connection Parameters */ |
yihui | 1:fc2f9d636751 | 56 | enum { |
yihui | 1:fc2f9d636751 | 57 | FIRST_UPDATE_DELAY = APP_TIMER_TICKS(5000, CFG_TIMER_PRESCALER), |
yihui | 1:fc2f9d636751 | 58 | NEXT_UPDATE_DELAY = APP_TIMER_TICKS(5000, CFG_TIMER_PRESCALER), |
yihui | 1:fc2f9d636751 | 59 | MAX_UPDATE_COUNT = 3 |
yihui | 1:fc2f9d636751 | 60 | }; |
yihui | 1:fc2f9d636751 | 61 | |
yihui | 1:fc2f9d636751 | 62 | ble_conn_params_init_t cp_init = {0}; |
yihui | 1:fc2f9d636751 | 63 | |
yihui | 1:fc2f9d636751 | 64 | cp_init.p_conn_params = NULL; |
yihui | 1:fc2f9d636751 | 65 | cp_init.first_conn_params_update_delay = FIRST_UPDATE_DELAY; |
yihui | 1:fc2f9d636751 | 66 | cp_init.next_conn_params_update_delay = NEXT_UPDATE_DELAY; |
yihui | 1:fc2f9d636751 | 67 | cp_init.max_conn_params_update_count = MAX_UPDATE_COUNT; |
yihui | 1:fc2f9d636751 | 68 | cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID; |
yihui | 1:fc2f9d636751 | 69 | cp_init.disconnect_on_fail = true; |
yihui | 1:fc2f9d636751 | 70 | cp_init.evt_handler = NULL; |
yihui | 1:fc2f9d636751 | 71 | cp_init.error_handler = error_callback; |
yihui | 1:fc2f9d636751 | 72 | |
yihui | 1:fc2f9d636751 | 73 | ASSERT_STATUS ( ble_conn_params_init(&cp_init)); |
yihui | 1:fc2f9d636751 | 74 | #endif // SDK_CONN_PARAMS_MODULE_ENABLE |
yihui | 1:fc2f9d636751 | 75 | |
yihui | 1:fc2f9d636751 | 76 | return ERROR_NONE; |
yihui | 1:fc2f9d636751 | 77 | } |
yihui | 1:fc2f9d636751 | 78 | |
yihui | 1:fc2f9d636751 | 79 | /**************************************************************************/ |
yihui | 1:fc2f9d636751 | 80 | /*! |
yihui | 1:fc2f9d636751 | 81 | @brief Converts msecs to an integer representing 1.25ms units |
yihui | 1:fc2f9d636751 | 82 | |
yihui | 1:fc2f9d636751 | 83 | @param[in] ms |
yihui | 1:fc2f9d636751 | 84 | The number of milliseconds to conver to 1.25ms units |
yihui | 1:fc2f9d636751 | 85 | |
yihui | 1:fc2f9d636751 | 86 | @returns The number of 1.25ms units in the supplied number of ms |
yihui | 1:fc2f9d636751 | 87 | */ |
yihui | 1:fc2f9d636751 | 88 | /**************************************************************************/ |
yihui | 1:fc2f9d636751 | 89 | static inline uint32_t msec_to_1_25msec(uint32_t interval_ms) |
yihui | 1:fc2f9d636751 | 90 | { |
yihui | 1:fc2f9d636751 | 91 | return (interval_ms * 4) / 5; |
yihui | 1:fc2f9d636751 | 92 | } |
yihui | 1:fc2f9d636751 | 93 | |
yihui | 1:fc2f9d636751 | 94 | #if SDK_CONN_PARAMS_MODULE_ENABLE |
yihui | 1:fc2f9d636751 | 95 | static void error_callback(uint32_t nrf_error) |
yihui | 1:fc2f9d636751 | 96 | { |
yihui | 1:fc2f9d636751 | 97 | ASSERT_STATUS_RET_VOID( nrf_error ); |
yihui | 1:fc2f9d636751 | 98 | } |
yihui | 1:fc2f9d636751 | 99 | #endif // SDK_CONN_PARAMS_MODULE_ENABLE |