/** * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into a Nordic * Semiconductor ASA integrated circuit in a product or a software update for * such product, must reproduce the above copyright notice, this list of * conditions and the following disclaimer in the documentation and/or other * materials provided with the distribution. * * 3. Neither the name of Nordic Semiconductor ASA nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include "sdk_common.h" #if NRF_MODULE_ENABLED(NRF_SDH_BLE) #include "nrf_sdh_ble.h" #include "nrf_sdh.h" #include "app_error.h" #include "nrf_strerror.h" #define NRF_LOG_MODULE_NAME nrf_sdh_ble #if NRF_SDH_BLE_LOG_ENABLED #define NRF_LOG_LEVEL NRF_SDH_BLE_LOG_LEVEL #define NRF_LOG_INFO_COLOR NRF_SDH_BLE_INFO_COLOR #define NRF_LOG_DEBUG_COLOR NRF_SDH_BLE_DEBUG_COLOR #else #define NRF_LOG_LEVEL 0 #endif // NRF_SDH_BLE_LOG_ENABLED #include "nrf_log.h" NRF_LOG_MODULE_REGISTER(); // Create section set "sdh_ble_observers". NRF_SECTION_SET_DEF(sdh_ble_observers, nrf_sdh_ble_evt_observer_t, NRF_SDH_BLE_OBSERVER_PRIO_LEVELS); //lint -save -e10 -e19 -e40 -e27 Illegal character (0x24) #if defined(__CC_ARM) extern uint32_t Image$$RW_IRAM1$$Base; uint32_t const * const m_ram_start = &Image$$RW_IRAM1$$Base; #elif defined(__ICCARM__) extern uint32_t __ICFEDIT_region_RAM_start__; uint32_t const * const m_ram_start = &__ICFEDIT_region_RAM_start__; #elif defined(__SES_ARM) extern uint32_t __app_ram_start__; uint32_t const * const m_ram_start = &__app_ram_start__; #elif defined(__GNUC__) extern uint32_t __data_start__; uint32_t const * const m_ram_start = &__data_start__; #endif //lint -restore #define RAM_START 0x20000000 #define APP_RAM_START (uint32_t)m_ram_start static bool m_stack_is_enabled; ret_code_t nrf_sdh_ble_app_ram_start_get(uint32_t * p_app_ram_start) { if (p_app_ram_start == NULL) { return NRF_ERROR_NULL; } *p_app_ram_start = APP_RAM_START; return NRF_SUCCESS; } ret_code_t nrf_sdh_ble_default_cfg_set(uint8_t conn_cfg_tag, uint32_t * p_ram_start) { uint32_t ret_code; ret_code = nrf_sdh_ble_app_ram_start_get(p_ram_start); if (ret_code != NRF_SUCCESS) { return ret_code; } #ifdef S112 STATIC_ASSERT(NRF_SDH_BLE_CENTRAL_LINK_COUNT == 0, "When using s112, NRF_SDH_BLE_CENTRAL_LINK_COUNT must be 0."); #endif // Overwrite some of the default settings of the BLE stack. // If any of the calls to sd_ble_cfg_set() fail, log the error but carry on so that // wrong RAM settings can be caught by nrf_sdh_ble_enable() and a meaningful error // message will be printed to the user suggesting the correct value. ble_cfg_t ble_cfg; #if (NRF_SDH_BLE_TOTAL_LINK_COUNT != 0) // Configure the connection count. memset(&ble_cfg, 0, sizeof(ble_cfg)); ble_cfg.conn_cfg.conn_cfg_tag = conn_cfg_tag; ble_cfg.conn_cfg.params.gap_conn_cfg.conn_count = NRF_SDH_BLE_TOTAL_LINK_COUNT; ble_cfg.conn_cfg.params.gap_conn_cfg.event_length = NRF_SDH_BLE_GAP_EVENT_LENGTH; ret_code = sd_ble_cfg_set(BLE_CONN_CFG_GAP, &ble_cfg, *p_ram_start); if (ret_code != NRF_SUCCESS) { NRF_LOG_ERROR("sd_ble_cfg_set() returned %s when attempting to set BLE_CONN_CFG_GAP.", nrf_strerror_get(ret_code)); } // Configure the connection roles. memset(&ble_cfg, 0, sizeof(ble_cfg)); ble_cfg.gap_cfg.role_count_cfg.periph_role_count = NRF_SDH_BLE_PERIPHERAL_LINK_COUNT; #ifndef S112 ble_cfg.gap_cfg.role_count_cfg.central_role_count = NRF_SDH_BLE_CENTRAL_LINK_COUNT; ble_cfg.gap_cfg.role_count_cfg.central_sec_count = MIN(NRF_SDH_BLE_CENTRAL_LINK_COUNT, BLE_GAP_ROLE_COUNT_CENTRAL_SEC_DEFAULT); #endif ret_code = sd_ble_cfg_set(BLE_GAP_CFG_ROLE_COUNT, &ble_cfg, *p_ram_start); if (ret_code != NRF_SUCCESS) { NRF_LOG_ERROR("sd_ble_cfg_set() returned %s when attempting to set BLE_GAP_CFG_ROLE_COUNT.", nrf_strerror_get(ret_code)); } // Configure the maximum ATT MTU. #if (NRF_SDH_BLE_GATT_MAX_MTU_SIZE != 23) memset(&ble_cfg, 0x00, sizeof(ble_cfg)); ble_cfg.conn_cfg.conn_cfg_tag = conn_cfg_tag; ble_cfg.conn_cfg.params.gatt_conn_cfg.att_mtu = NRF_SDH_BLE_GATT_MAX_MTU_SIZE; ret_code = sd_ble_cfg_set(BLE_CONN_CFG_GATT, &ble_cfg, *p_ram_start); if (ret_code != NRF_SUCCESS) { NRF_LOG_ERROR("sd_ble_cfg_set() returned %s when attempting to set BLE_CONN_CFG_GATT.", nrf_strerror_get(ret_code)); } #endif // NRF_SDH_BLE_GATT_MAX_MTU_SIZE != 23 #endif // NRF_SDH_BLE_TOTAL_LINK_COUNT != 0 // Configure number of custom UUIDS. memset(&ble_cfg, 0, sizeof(ble_cfg)); ble_cfg.common_cfg.vs_uuid_cfg.vs_uuid_count = NRF_SDH_BLE_VS_UUID_COUNT; ret_code = sd_ble_cfg_set(BLE_COMMON_CFG_VS_UUID, &ble_cfg, *p_ram_start); if (ret_code != NRF_SUCCESS) { NRF_LOG_ERROR("sd_ble_cfg_set() returned %s when attempting to set BLE_COMMON_CFG_VS_UUID.", nrf_strerror_get(ret_code)); } // Configure the GATTS attribute table. memset(&ble_cfg, 0x00, sizeof(ble_cfg)); ble_cfg.gatts_cfg.attr_tab_size.attr_tab_size = NRF_SDH_BLE_GATTS_ATTR_TAB_SIZE; ret_code = sd_ble_cfg_set(BLE_GATTS_CFG_ATTR_TAB_SIZE, &ble_cfg, *p_ram_start); if (ret_code != NRF_SUCCESS) { NRF_LOG_ERROR("sd_ble_cfg_set() returned %s when attempting to set BLE_GATTS_CFG_ATTR_TAB_SIZE.", nrf_strerror_get(ret_code)); } // Configure Service Changed characteristic. memset(&ble_cfg, 0x00, sizeof(ble_cfg)); ble_cfg.gatts_cfg.service_changed.service_changed = NRF_SDH_BLE_SERVICE_CHANGED; ret_code = sd_ble_cfg_set(BLE_GATTS_CFG_SERVICE_CHANGED, &ble_cfg, *p_ram_start); if (ret_code != NRF_SUCCESS) { NRF_LOG_ERROR("sd_ble_cfg_set() returned %s when attempting to set BLE_GATTS_CFG_SERVICE_CHANGED.", nrf_strerror_get(ret_code)); } return NRF_SUCCESS; } /**@brief Function for finding the end address of the RAM. */ static uint32_t ram_end_address_get(void) { uint32_t ram_total_size; #ifdef NRF51 uint32_t block_size = NRF_FICR->SIZERAMBLOCKS; ram_total_size = block_size * NRF_FICR->NUMRAMBLOCK; #else ram_total_size = NRF_FICR->INFO.RAM * 1024; #endif return RAM_START + ram_total_size; } ret_code_t nrf_sdh_ble_enable(uint32_t * const p_app_ram_start) { // Start of RAM, obtained from linker symbol. uint32_t const app_ram_start_link = *p_app_ram_start; ret_code_t ret_code = sd_ble_enable(p_app_ram_start); if (*p_app_ram_start > app_ram_start_link) { NRF_LOG_WARNING("Insufficient RAM allocated for the SoftDevice."); NRF_LOG_WARNING("Change the RAM start location from 0x%x to 0x%x.", app_ram_start_link, *p_app_ram_start); NRF_LOG_WARNING("Maximum RAM size for application is 0x%x.", ram_end_address_get() - (*p_app_ram_start)); } else { NRF_LOG_DEBUG("RAM starts at 0x%x", app_ram_start_link); if (*p_app_ram_start != app_ram_start_link) { NRF_LOG_DEBUG("RAM start location can be adjusted to 0x%x.", *p_app_ram_start); NRF_LOG_DEBUG("RAM size for application can be adjusted to 0x%x.", ram_end_address_get() - (*p_app_ram_start)); } } if (ret_code == NRF_SUCCESS) { m_stack_is_enabled = true; } else { NRF_LOG_ERROR("sd_ble_enable() returned %s.", nrf_strerror_get(ret_code)); } return ret_code; } /**@brief Function for polling BLE events. * * @param[in] p_context Context of the observer. */ static void nrf_sdh_ble_evts_poll(void * p_context) { UNUSED_VARIABLE(p_context); ret_code_t ret_code; if (!m_stack_is_enabled) { return; } while (true) { /*lint -save -e(587) */ __ALIGN(4) uint8_t evt_buffer[NRF_SDH_BLE_EVT_BUF_SIZE]; /*lint -restore */ ble_evt_t * p_ble_evt; uint16_t evt_len = (uint16_t)sizeof(evt_buffer); ret_code = sd_ble_evt_get(evt_buffer, &evt_len); if (ret_code != NRF_SUCCESS) { break; } p_ble_evt = (ble_evt_t *)evt_buffer; NRF_LOG_DEBUG("BLE event: 0x%x.", p_ble_evt->header.evt_id); // Forward the event to BLE observers. nrf_section_iter_t iter; for (nrf_section_iter_init(&iter, &sdh_ble_observers); nrf_section_iter_get(&iter) != NULL; nrf_section_iter_next(&iter)) { nrf_sdh_ble_evt_observer_t * p_observer; nrf_sdh_ble_evt_handler_t handler; p_observer = (nrf_sdh_ble_evt_observer_t *)nrf_section_iter_get(&iter); handler = p_observer->handler; handler(p_ble_evt, p_observer->p_context); } } if (ret_code != NRF_ERROR_NOT_FOUND) { APP_ERROR_HANDLER(ret_code); } } NRF_SDH_STACK_OBSERVER(m_nrf_sdh_ble_evts_poll, NRF_SDH_BLE_STACK_OBSERVER_PRIO) = { .handler = nrf_sdh_ble_evts_poll, .p_context = NULL, }; #endif // NRF_MODULE_ENABLED(NRF_SDH_BLE)