Updated to latest online libraries (See also mbed Apps: HelloBlue, FOTA4)
Dependencies: BLE_API mbed nRF51822
Fork of BLE_Default_APP by
Diff: nRF51822/nordic/softdevice_handler.cpp
- Revision:
- 2:97f1622aef50
- Parent:
- 1:a607cd9655d7
--- a/nRF51822/nordic/softdevice_handler.cpp Fri Oct 10 03:36:28 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,313 +0,0 @@ -/* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved. - * - * The information contained herein is property of Nordic Semiconductor ASA. - * Terms and conditions of usage are described in detail in NORDIC - * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. - * - * Licensees are granted free, non-transferable use of the information. NO - * WARRANTY of ANY KIND is provided. This heading must NOT be removed from - * the file. - * - */ - -#include "softdevice_handler.h" -#include <stdlib.h> -#include "nordic_common.h" -#include "app_error.h" -#include "app_util.h" -#include "nrf_assert.h" -#include "nrf_soc.h" - -#if defined(ANT_STACK_SUPPORT_REQD) && defined(BLE_STACK_SUPPORT_REQD) - #include "ant_interface.h" -#elif defined(ANT_STACK_SUPPORT_REQD) - #include "ant_interface.h" -#elif defined(BLE_STACK_SUPPORT_REQD) - #include "ble.h" -#endif - - -static softdevice_evt_schedule_func_t m_evt_schedule_func; /**< Pointer to function for propagating SoftDevice events to the scheduler. */ - -#if defined (BLE_STACK_SUPPORT_REQD) || defined (ANT_STACK_SUPPORT_REQD) -// The following two definition is needed only if ANT or BLE events are needed to be pulled from the stack. -static uint8_t * m_evt_buffer; /**< Buffer for receiving events from the SoftDevice. */ -#endif - -#ifdef BLE_STACK_SUPPORT_REQD -static uint16_t m_ble_evt_buffer_size; /**< Size of BLE event buffer. */ -#endif - -static volatile bool m_softdevice_enabled = false; /**< Variable to indicate whether the SoftDevice is enabled. */ - -#ifdef BLE_STACK_SUPPORT_REQD -static ble_evt_handler_t m_ble_evt_handler; /**< Application event handler for handling BLE events. */ -#endif - -#ifdef ANT_STACK_SUPPORT_REQD -static ant_evt_handler_t m_ant_evt_handler; /**< Application event handler for handling ANT events. */ -#endif - -static sys_evt_handler_t m_sys_evt_handler; /**< Application event handler for handling System (SOC) events. */ - - -/**@brief Callback function for asserts in the SoftDevice. - * - * @details A pointer to this function will be passed to the SoftDevice. This function will be - * called if an ASSERT statement in the SoftDevice fails. - * - * @param[in] pc The value of the program counter when the ASSERT call failed. - * @param[in] line_num Line number of the failing ASSERT call. - * @param[in] file_name File name of the failing ASSERT call. - */ -void softdevice_assertion_handler(uint32_t pc, uint16_t line_num, const uint8_t * file_name) -{ - UNUSED_PARAMETER(pc); - assert_nrf_callback(line_num, file_name); -} - - -void intern_softdevice_events_execute(void) -{ - if (!m_softdevice_enabled) - { - // SoftDevice not enabled. This can be possible if the SoftDevice was enabled by the - // application without using this module's API (i.e softdevice_handler_init) - - return; - } - - bool no_more_soc_evts = (m_sys_evt_handler == NULL); -#ifdef BLE_STACK_SUPPORT_REQD - bool no_more_ble_evts = (m_ble_evt_handler == NULL); -#endif -#ifdef ANT_STACK_SUPPORT_REQD - bool no_more_ant_evts = (m_ant_evt_handler == NULL); -#endif - - for (;;) - { - uint32_t err_code; - - if (!no_more_soc_evts) - { - uint32_t evt_id; - - // Pull event from SOC. - err_code = sd_evt_get(&evt_id); - - if (err_code == NRF_ERROR_NOT_FOUND) - { - no_more_soc_evts = true; - } - else if (err_code != NRF_SUCCESS) - { - APP_ERROR_HANDLER(err_code); - } - else - { - // Call application's SOC event handler. - m_sys_evt_handler(evt_id); - } - } - -#ifdef BLE_STACK_SUPPORT_REQD - // Fetch BLE Events. - if (!no_more_ble_evts) - { - // Pull event from stack - uint16_t evt_len = m_ble_evt_buffer_size; - - err_code = sd_ble_evt_get(m_evt_buffer, &evt_len); - if (err_code == NRF_ERROR_NOT_FOUND) - { - no_more_ble_evts = true; - } - else if (err_code != NRF_SUCCESS) - { - APP_ERROR_HANDLER(err_code); - } - else - { - // Call application's BLE stack event handler. - m_ble_evt_handler((ble_evt_t *)m_evt_buffer); - } - } -#endif - -#ifdef ANT_STACK_SUPPORT_REQD - // Fetch ANT Events. - if (!no_more_ant_evts) - { - // Pull event from stack - err_code = sd_ant_event_get(&((ant_evt_t *)m_evt_buffer)->channel, - &((ant_evt_t *)m_evt_buffer)->event, - ((ant_evt_t *)m_evt_buffer)->evt_buffer); - if (err_code == NRF_ERROR_NOT_FOUND) - { - no_more_ant_evts = true; - } - else if (err_code != NRF_SUCCESS) - { - APP_ERROR_HANDLER(err_code); - } - else - { - // Call application's ANT stack event handler. - m_ant_evt_handler((ant_evt_t *)m_evt_buffer); - } - } -#endif - - if (no_more_soc_evts) - { - // There are no remaining System (SOC) events to be fetched from the SoftDevice. -#if defined(ANT_STACK_SUPPORT_REQD) && defined(BLE_STACK_SUPPORT_REQD) - // Check if there are any remaining BLE and ANT events. - if (no_more_ble_evts && no_more_ant_evts) - { - break; - } -#elif defined(BLE_STACK_SUPPORT_REQD) - // Check if there are any remaining BLE events. - if (no_more_ble_evts) - { - break; - } -#elif defined(ANT_STACK_SUPPORT_REQD) - // Check if there are any remaining ANT events. - if (no_more_ant_evts) - { - break; - } -#else - // No need to check for BLE or ANT events since there is no support for BLE and ANT - // required. - break; -#endif - } - } -} - - -uint32_t softdevice_handler_init(nrf_clock_lfclksrc_t clock_source, - void * p_evt_buffer, - uint16_t evt_buffer_size, - softdevice_evt_schedule_func_t evt_schedule_func) -{ - uint32_t err_code; - - // Save configuration. -#if defined (BLE_STACK_SUPPORT_REQD) || defined (ANT_STACK_SUPPORT_REQD) - // Check that buffer is not NULL. - if (p_evt_buffer == NULL) - { - return NRF_ERROR_INVALID_PARAM; - } - - // Check that buffer is correctly aligned. - if (!is_word_aligned(p_evt_buffer)) - { - return NRF_ERROR_INVALID_PARAM; - } - - m_evt_buffer = (uint8_t *)p_evt_buffer; -#else - // The variable p_evt_buffer is not needed if neither BLE Stack nor ANT stack support is - // required. - UNUSED_PARAMETER(p_evt_buffer); -#endif - -#if defined (BLE_STACK_SUPPORT_REQD) - m_ble_evt_buffer_size = evt_buffer_size; -#else - // The variable evt_buffer_size is not needed if BLE Stack support is NOT required. - UNUSED_PARAMETER(evt_buffer_size); -#endif - - m_evt_schedule_func = evt_schedule_func; - - // Initialize SoftDevice. - - err_code = sd_softdevice_enable(clock_source, softdevice_assertion_handler); - if (err_code != NRF_SUCCESS) - { - return err_code; - } - - m_softdevice_enabled = true; - - // Enable BLE event interrupt (interrupt priority has already been set by the stack). - return sd_nvic_EnableIRQ(SWI2_IRQn); -} - - -uint32_t softdevice_handler_sd_disable(void) -{ - uint32_t err_code = sd_softdevice_disable(); - - m_softdevice_enabled = !(err_code == NRF_SUCCESS); - - return err_code; -} - - -#ifdef BLE_STACK_SUPPORT_REQD -uint32_t softdevice_ble_evt_handler_set(ble_evt_handler_t ble_evt_handler) -{ - if (ble_evt_handler == NULL) - { - return NRF_ERROR_NULL; - } - - m_ble_evt_handler = ble_evt_handler; - - return NRF_SUCCESS; -} -#endif - - -#ifdef ANT_STACK_SUPPORT_REQD -uint32_t softdevice_ant_evt_handler_set(ant_evt_handler_t ant_evt_handler) -{ - if (ant_evt_handler == NULL) - { - return NRF_ERROR_NULL; - } - - m_ant_evt_handler = ant_evt_handler; - - return NRF_SUCCESS; -} -#endif - - -uint32_t softdevice_sys_evt_handler_set(sys_evt_handler_t sys_evt_handler) -{ - if (sys_evt_handler == NULL) - { - return NRF_ERROR_NULL; - } - - m_sys_evt_handler = sys_evt_handler; - - return NRF_SUCCESS; -} - - -/**@brief Function for handling the Application's BLE Stack events interrupt. - * - * @details This function is called whenever an event is ready to be pulled. - */ -extern "C" void SWI2_IRQHandler(void) -{ - if (m_evt_schedule_func != NULL) - { - uint32_t err_code = m_evt_schedule_func(); - APP_ERROR_CHECK(err_code); - } - else - { - intern_softdevice_events_execute(); - } -}