diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_nrf_ble_ots_c/nrf_ble_ots_c_l2cap.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_nrf_ble_ots_c/nrf_ble_ots_c_l2cap.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_nrf_ble_ots_c/nrf_ble_ots_c_l2cap.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_nrf_ble_ots_c/nrf_ble_ots_c_l2cap.c new file mode 100644 index 0000000..8509329 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_nrf_ble_ots_c/nrf_ble_ots_c_l2cap.c @@ -0,0 +1,244 @@ +/** + * 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(BLE_OTS_C_L2CAP) +#include <stdlib.h> +#include "nrf_ble_ots_c.h" +#include "nrf_ble_ots_c_oacp.h" +#include "nrf_ble_ots_c_l2cap.h" +#include "ble.h" + +#define NRF_LOG_MODULE_NAME ble_ots_c_l2cap +#include "nrf_log.h" +NRF_LOG_MODULE_REGISTER(); + +#include "sdk_common.h" + +#define MODULE_INITIALIZED (p_ots_c->initialized) /**< Macro designating whether the module has been initialized properly. */ + + +static void on_l2cap_setup_complete(nrf_ble_ots_c_t * const p_ots_c, + ble_evt_t const * const p_ble_evt) +{ + p_ots_c->local_cid = p_ble_evt->evt.l2cap_evt.local_cid; + p_ots_c->ch_setup.tx_params.peer_mps = p_ble_evt->evt.l2cap_evt.params.ch_setup.tx_params.peer_mps; + p_ots_c->ch_setup.tx_params.tx_mps = p_ble_evt->evt.l2cap_evt.params.ch_setup.tx_params.tx_mps; + p_ots_c->ch_setup.tx_params.tx_mtu = p_ble_evt->evt.l2cap_evt.params.ch_setup.tx_params.tx_mtu; + p_ots_c->ch_setup.tx_params.credits = p_ble_evt->evt.l2cap_evt.params.ch_setup.tx_params.credits; + p_ots_c->current_credits = p_ots_c->ch_setup.tx_params.credits; +} + + +static void send_next_mtu(nrf_ble_ots_c_t * const p_ots_c) +{ + // Remaining bytes to transmit. + if(p_ots_c->transmitted_bytes < p_ots_c->current_obj->len) + { + ret_code_t err_code; + uint16_t tx_size; + + tx_size = MIN((p_ots_c->current_obj->len - p_ots_c->transmitted_bytes), + p_ots_c->ch_setup.tx_params.tx_mtu); + ble_data_t obj; + obj.len = tx_size; + obj.p_data = &p_ots_c->current_obj->p_data[p_ots_c->transmitted_bytes]; + err_code = sd_ble_l2cap_ch_tx(p_ots_c->conn_handle, p_ots_c->local_cid, &obj); + if (err_code == NRF_ERROR_RESOURCES) + { + return; // Too many SDUs queued for transmission, the transmission will be tried again on the next BLE_L2CAP_EVT_CH_TX event. + } + if(err_code != NRF_SUCCESS && p_ots_c->err_handler != NULL) + { + p_ots_c->err_handler(err_code); + } + } +} + + +static void on_l2cap_ch_tx(nrf_ble_ots_c_t * const p_ots_c, + ble_evt_t const * const p_ble_evt) +{ + NRF_LOG_INFO("Bytes sent: %i", p_ble_evt->evt.l2cap_evt.params.tx.sdu_buf.len); + NRF_LOG_HEXDUMP_INFO(p_ble_evt->evt.l2cap_evt.params.tx.sdu_buf.p_data, + p_ble_evt->evt.l2cap_evt.params.tx.sdu_buf.len); + + p_ots_c->transmitted_bytes += p_ble_evt->evt.l2cap_evt.params.tx.sdu_buf.len; + + NRF_LOG_INFO("\r\n Remaining bytes to send: %i", + (p_ots_c->current_obj->len - p_ots_c->transmitted_bytes)); + p_ots_c->current_credits --; + NRF_LOG_INFO("\r\n Remaining Credits: %i", + (p_ots_c->current_credits)); + if (p_ots_c->current_credits > 0) + { + send_next_mtu(p_ots_c); + } +} + + +static void on_l2cap_ch_rx(nrf_ble_ots_c_t * const p_ots_c, + ble_evt_t const * const p_ble_evt) +{ + NRF_LOG_INFO("Bytes received: %i", p_ble_evt->evt.l2cap_evt.params.rx.sdu_len); + NRF_LOG_HEXDUMP_INFO(p_ble_evt->evt.l2cap_evt.params.rx.sdu_buf.p_data, + p_ble_evt->evt.l2cap_evt.params.rx.sdu_len); + + memcpy(&p_ots_c->current_obj->p_data[p_ots_c->received_bytes], + p_ble_evt->evt.l2cap_evt.params.rx.sdu_buf.p_data, + p_ble_evt->evt.l2cap_evt.params.rx.sdu_len); + p_ots_c->received_bytes += p_ble_evt->evt.l2cap_evt.params.rx.sdu_len; + NRF_LOG_INFO("Remaining bytes to received: %i", (p_ots_c->current_obj->len - p_ots_c->received_bytes)); + + if(p_ots_c->received_bytes >= p_ots_c->current_obj->len) + { + nrf_ble_ots_c_evt_t evt; + + evt.evt_type = NRF_BLE_OTS_C_EVT_OBJ_READ; + evt.params.object.len = p_ots_c->current_obj->len; + evt.params.object.p_data = p_ots_c->current_obj->p_data; + p_ots_c->evt_handler(&evt); + } + else + { + ret_code_t err_code; + + ble_data_t sdu_buf; + sdu_buf.p_data = &p_ots_c->current_obj->p_data[p_ots_c->received_bytes]; + sdu_buf.len = p_ots_c->current_obj->len; + + err_code = sd_ble_l2cap_ch_rx(p_ots_c->conn_handle, + p_ots_c->local_cid, + &sdu_buf); + UNUSED_PARAMETER(err_code); + } + +} + + +static void on_l2cap_credit(nrf_ble_ots_c_t * const p_ots_c, + ble_evt_t const * const p_ble_evt) +{ + p_ots_c->current_credits = p_ble_evt->evt.l2cap_evt.params.credit.credits; + send_next_mtu(p_ots_c); +} + + +static void on_l2cap_released(nrf_ble_ots_c_t * const p_ots_c, + ble_evt_t const * const p_ble_evt) +{ + nrf_ble_ots_c_evt_t evt; + + evt.evt_type = NRF_BLE_OTS_C_EVT_CHANNEL_RELEASED; + p_ots_c->evt_handler(&evt); +} + + +void ots_c_l2cap_on_ble_evt(nrf_ble_ots_c_t * const p_ots_c, + ble_evt_t const * const p_ble_evt) +{ + + VERIFY_MODULE_INITIALIZED_VOID(); + VERIFY_PARAM_NOT_NULL_VOID(p_ots_c); + VERIFY_PARAM_NOT_NULL_VOID(p_ble_evt); + + if (p_ble_evt->evt.l2cap_evt.local_cid != p_ots_c->local_cid) + { + return; + } + switch (p_ble_evt->header.evt_id) + { + case BLE_L2CAP_EVT_CH_SETUP: + NRF_LOG_DEBUG("BLE_L2CAP_EVT_CH_SETUP"); + on_l2cap_setup_complete(p_ots_c, p_ble_evt); + break; + + case BLE_L2CAP_EVT_CH_TX: + NRF_LOG_DEBUG("BLE_L2CAP_EVT_CH_TX"); + on_l2cap_ch_tx(p_ots_c, p_ble_evt); + break; + + case BLE_L2CAP_EVT_CH_RX: + NRF_LOG_DEBUG("BLE_L2CAP_EVT_CH_RX"); + on_l2cap_ch_rx(p_ots_c, p_ble_evt); + break; + + case BLE_L2CAP_EVT_CH_CREDIT: + NRF_LOG_DEBUG("BLE_L2CAP_EVT_CH_CREDIT"); + on_l2cap_credit(p_ots_c, p_ble_evt); + break; + case BLE_L2CAP_EVT_CH_RELEASED: + NRF_LOG_DEBUG("BLE_L2CAP_EVT_CH_RELEASED"); + on_l2cap_released(p_ots_c, p_ble_evt); + break; + default: + break; + } +} + + +ret_code_t nrf_ble_ots_c_l2cap_obj_send(nrf_ble_ots_c_t * const p_ots_c, ble_data_t * p_obj) +{ + ret_code_t err_code; + uint16_t tx_size; + p_ots_c->transmitted_bytes = 0; + tx_size = MIN(p_obj->len, p_ots_c->ch_setup.tx_params.tx_mtu); + p_ots_c->current_obj = p_obj; + + ble_data_t obj; + obj.len = tx_size; + obj.p_data = p_obj->p_data; + err_code = sd_ble_l2cap_ch_tx(p_ots_c->conn_handle, p_ots_c->local_cid, &obj); + return err_code; +} + + +ret_code_t nrf_ble_ots_c_l2cap_obj_receive(nrf_ble_ots_c_t * const p_ots_c, ble_data_t * p_obj) +{ + uint32_t err_code; + p_ots_c->received_bytes = 0; + p_ots_c->current_obj = p_obj; + err_code = sd_ble_l2cap_ch_rx(p_ots_c->conn_handle, + p_ots_c->local_cid, + p_ots_c->current_obj); + return err_code; +} + +#endif // NRF_MODULE_ENABLED(BLE_OTS_C_L2CAP) |