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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/serialization/connectivity/ser_conn_handlers.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/serialization/connectivity/ser_conn_handlers.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/serialization/connectivity/ser_conn_handlers.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/serialization/connectivity/ser_conn_handlers.c new file mode 100644 index 0000000..fbcf901 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/serialization/connectivity/ser_conn_handlers.c @@ -0,0 +1,207 @@ +/** + * Copyright (c) 2014 - 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 <string.h> +#include "app_error.h" +#include "app_scheduler.h" +#include "ser_config.h" +#include "ser_conn_handlers.h" +#include "ser_conn_event_encoder.h" +#include "ser_conn_pkt_decoder.h" +#include "ser_conn_dtm_cmd_decoder.h" +#include "nrf_sdh.h" +#ifdef BLE_STACK_SUPPORT_REQD +#include "conn_ble_gap_sec_keys.h" +#endif + +/** @file + * + * @defgroup ser_conn_handlers Events handlers for the Connectivity Chip. + * @{ + * @ingroup sdk_lib_serialization + * + * @brief A module to handle the Connectivity application events. + * + * @details There are two types of events in the Connectivity application: BLE events generated by + * the SoftDevice and events generated by the HAL Transport layer. + */ + +/** Parameters of a received packet. */ +static ser_hal_transport_evt_rx_pkt_received_params_t m_rx_pkt_received_params; + +/** Indicator of received packet that should be process. */ +static bool m_rx_pkt_to_process = false; + +static ser_conn_on_no_mem_t m_on_no_mem_handler; + +void ser_conn_on_no_mem_handler_set(ser_conn_on_no_mem_t handler) +{ + m_on_no_mem_handler = handler; +} + +void ser_conn_on_no_mem_handler(void) +{ + if (m_on_no_mem_handler) + { + m_on_no_mem_handler(); + } +} +void ser_conn_hal_transport_event_handle(ser_hal_transport_evt_t event) +{ + switch (event.evt_type) + { + case SER_HAL_TRANSP_EVT_TX_PKT_SENT: + { + /* SoftDevice event or response to received packet was sent, so unblock the application + * scheduler to process a next event. */ + app_sched_resume(); + + /* Check if chip is ready to enter DTM mode. */ + ser_conn_is_ready_to_enter_dtm(); + + break; + } + + case SER_HAL_TRANSP_EVT_RX_PKT_RECEIVING: + { + /* The connectivity side has started receiving a packet. Temporary block processing + * SoftDevice events. It is going to be unblocked when a response for the packet will + * be sent. This prevents communication block. */ + app_sched_pause(); + break; + } + + case SER_HAL_TRANSP_EVT_RX_PKT_RECEIVED: + { + /* We can NOT add received packets as events to the application scheduler queue because + * received packets have to be processed before SoftDevice events but the scheduler + * queue do not have priorities. */ + memcpy(&m_rx_pkt_received_params, &event.evt_params.rx_pkt_received, + sizeof (ser_hal_transport_evt_rx_pkt_received_params_t)); + m_rx_pkt_to_process = true; + break; + } + + case SER_HAL_TRANSP_EVT_RX_PKT_DROPPED: + { + APP_ERROR_CHECK(SER_WARNING_CODE); + break; + } + + case SER_HAL_TRANSP_EVT_PHY_ERROR: + { + APP_ERROR_CHECK(NRF_ERROR_FORBIDDEN); + break; + } + + default: + { + /* do nothing */ + break; + } + } +} + + +uint32_t ser_conn_rx_process(void) +{ + uint32_t err_code = NRF_SUCCESS; + + if (m_rx_pkt_to_process) + { + /* No critical section needed on m_rx_pkt_to_process parameter because it is not possible + * to get next packet before sending a response. */ + m_rx_pkt_to_process = false; + err_code = ser_conn_received_pkt_process(&m_rx_pkt_received_params); + } + + return err_code; +} + +#ifdef BLE_STACK_SUPPORT_REQD + +NRF_SDH_BLE_OBSERVER(m_ble_observer, 0, ser_conn_ble_event_handle, NULL); + +void ser_conn_ble_event_handle(ble_evt_t const * p_ble_evt, void * p_context) +{ + uint32_t err_code = NRF_SUCCESS; + + /* We can NOT encode and send BLE events here. SoftDevice handler implemented in + * softdevice_handler.c pull all available BLE events at once but we need to reschedule between + * encoding and sending every BLE event because sending a response on received packet has higher + * priority than sending a BLE event. Solution for that is to put BLE events into application + * scheduler queue to be processed at a later time. */ + err_code = app_sched_event_put(p_ble_evt, p_ble_evt->header.evt_len, + ser_conn_ble_event_encoder); + APP_ERROR_CHECK(err_code); + uint16_t free_space = app_sched_queue_space_get(); + if (!free_space) + { + // Queue is full. Do not pull new events. + nrf_sdh_suspend(); + } +} +#endif // BLE_STACK_SUPPORT_REQD + +#ifdef ANT_STACK_SUPPORT_REQD + +NRF_SDH_ANT_OBSERVER(m_ant_observer, 0, ser_conn_ant_event_handle, NULL); + +void ser_conn_ant_event_handle(ant_evt_t * p_ant_evt, void * p_context) +{ + uint32_t err_code = NRF_SUCCESS; + + /* We can NOT encode and send ANT events here. SoftDevice handler implemented in + * softdevice_handler.c pull all available ANT events at once but we need to reschedule between + * encoding and sending every ANT event because sending a response on received packet has higher + * priority than sending an ANT event. Solution for that is to put ANT events into application + * scheduler queue to be processed at a later time. */ + err_code = app_sched_event_put(p_ant_evt, sizeof (ant_evt_t), + ser_conn_ant_event_encoder); + APP_ERROR_CHECK(err_code); + uint16_t free_space = app_sched_queue_space_get(); + if (!free_space) + { + // Queue is full. Do not pull new events. + nrf_sdh_suspend(); + } +} +#endif // ANT_STACK_SUPPORT_REQD + +/** @} */ |