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Diff: btle/btle_gap.cpp
- Revision:
- 22:c6ee8136847e
- Parent:
- 17:c3e11bb6cb72
- Child:
- 42:120a96d10f90
diff -r 84599842b5fb -r c6ee8136847e btle/btle_gap.cpp --- a/btle/btle_gap.cpp Fri Jun 06 14:13:32 2014 +0100 +++ b/btle/btle_gap.cpp Mon Jun 09 09:12:10 2014 +0100 @@ -1,96 +1,96 @@ -/* 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 "app_timer.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; -static void error_callback(uint32_t nrf_error); - -/**************************************************************************/ -/*! - @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)); - - /* 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)); - - 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; -} - -static void error_callback(uint32_t nrf_error) -{ - ASSERT_STATUS_RET_VOID( nrf_error ); -} +/* 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 "app_timer.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; +static void error_callback(uint32_t nrf_error); + +/**************************************************************************/ +/*! + @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)); + + /* 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)); + + 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; +} + +static void error_callback(uint32_t nrf_error) +{ + ASSERT_STATUS_RET_VOID( nrf_error ); +}