diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/ble_uart/nrf_cli_ble_uart.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/ble_uart/nrf_cli_ble_uart.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/ble_uart/nrf_cli_ble_uart.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/ble_uart/nrf_cli_ble_uart.c new file mode 100644 index 0000000..e469853 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/ble_uart/nrf_cli_ble_uart.c @@ -0,0 +1,317 @@ +/** + * Copyright (c) 2016 - 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_CLI_BLE_UART) +#include "nrf_cli_ble_uart.h" +#include "ble_nus.h" +#include "nrf_ringbuf.h" +#include "app_timer.h" +#include "nrf_assert.h" +#include "nrf_ble_gatt.h" +#define NRF_LOG_MODULE_NAME cli_ble + +#if NRF_CLI_BLE_UART_CONFIG_LOG_ENABLED +#define NRF_LOG_LEVEL NRF_CLI_BLE_UART_CONFIG_LOG_LEVEL +#define NRF_LOG_INFO_COLOR NRF_CLI_BLE_UART_CONFIG_INFO_COLOR +#define NRF_LOG_DEBUG_COLOR NRF_CLI_BLE_UART_CONFIG_DEBUG_COLOR + +#else //NRF_CLI_BLE_UART_CONFIG_LOG_ENABLED +#define NRF_LOG_LEVEL 0 +#endif //NRF_CLI_BLE_UART_CONFIG_LOG_ENABLED +#include "nrf_log.h" +NRF_LOG_MODULE_REGISTER(); + +#if NRF_CLI_BLE_UART_MAX_CLIENTS > NRF_SDH_BLE_TOTAL_LINK_COUNT + #error "Too few BLE peripheral links are supported by the BLE SDH module for the maximal number \ + of BLE transport instances" +#endif + +#define NRF_CLI_BLE_UART_TIMEOUT_MS 50 +#define OVERHEAD_LENGTH (OPCODE_LENGTH + HANDLE_LENGTH) + +BLE_NUS_DEF(m_nus, NRF_CLI_BLE_UART_MAX_CLIENTS); +BLE_LINK_CTX_MANAGER_DEF(m_link_ctx_storage, + NRF_CLI_BLE_UART_MAX_CLIENTS, + sizeof(nrf_cli_ble_uart_internal_t *)); + +static void tx_try(nrf_cli_ble_uart_internal_t * p_instance, uint32_t threshold) +{ + uint8_t * p_out_data; + size_t out_data_len = + nrf_ble_gatt_eff_mtu_get(p_instance->p_gatt, p_instance->p_cb->conn_handle) - + OVERHEAD_LENGTH; + + ret_code_t err_code = nrf_ringbuf_get(p_instance->p_tx_ringbuf, + &p_out_data, + &out_data_len, + true); + + if (err_code == NRF_SUCCESS) + { + if (out_data_len >= threshold) + { + size_t req_data_len = out_data_len; + err_code = ble_nus_data_send(&m_nus, + p_out_data, + (uint16_t*)&out_data_len, + p_instance->p_cb->conn_handle); + + if ((err_code == NRF_ERROR_BUSY) || (err_code == NRF_ERROR_RESOURCES)) + { + out_data_len = 0; + } + NRF_LOG_INFO("Conn_handle:%d TX req_len: %d, len: %d", + p_instance->p_cb->conn_handle, req_data_len, out_data_len); + NRF_LOG_HEXDUMP_DEBUG(p_out_data, out_data_len); + err_code = nrf_ringbuf_free(p_instance->p_tx_ringbuf, out_data_len); + ASSERT(err_code == NRF_SUCCESS); + } + else + { + err_code = nrf_ringbuf_free(p_instance->p_tx_ringbuf, 0); + ASSERT(err_code == NRF_SUCCESS); + } + } +} + +static void nus_data_handler(ble_nus_evt_t * p_nus_evt) +{ + ret_code_t err_code = NRF_SUCCESS; + nrf_cli_ble_uart_internal_t * p_instance; + nrf_cli_ble_uart_internal_t ** pp_instance; + + err_code = blcm_link_ctx_get(&m_link_ctx_storage, p_nus_evt->conn_handle, (void *) &pp_instance); + ASSERT(err_code == NRF_SUCCESS); + + p_instance = *pp_instance; + + switch (p_nus_evt->type) + { + case BLE_NUS_EVT_RX_DATA: + { + NRF_LOG_INFO("Conn_handle:%d, Received: %d", + p_instance->p_cb->conn_handle, p_nus_evt->params.rx_data.length); + NRF_LOG_HEXDUMP_DEBUG(p_nus_evt->params.rx_data.p_data, p_nus_evt->params.rx_data.length); + size_t len = ((size_t) p_nus_evt->params.rx_data.length) & 0x0000FFFF; + err_code = nrf_ringbuf_cpy_put(p_instance->p_rx_ringbuf, + p_nus_evt->params.rx_data.p_data, + (size_t *)&len); + ASSERT(err_code == NRF_SUCCESS); + + p_instance->p_cb->handler(NRF_CLI_TRANSPORT_EVT_RX_RDY, p_instance->p_cb->p_context); + break; + } + case BLE_NUS_EVT_TX_RDY: + { + //TX_Complete + uint32_t max_tx_len = nrf_ble_gatt_eff_mtu_get(p_instance->p_gatt, + p_instance->p_cb->conn_handle) - + OVERHEAD_LENGTH; + tx_try(p_instance, max_tx_len); + p_instance->p_cb->handler(NRF_CLI_TRANSPORT_EVT_TX_RDY, p_instance->p_cb->p_context); + break; + } + case BLE_NUS_EVT_COMM_STARTED: + p_instance->p_cb->service_started = true; + err_code = app_timer_start(*p_instance->p_timer, + APP_TIMER_TICKS(NRF_CLI_BLE_UART_TIMEOUT_MS), + p_instance); + ASSERT(err_code == NRF_SUCCESS); + NRF_LOG_INFO("Conn_handle:%d, communication started", p_instance->p_cb->conn_handle); + break; + case BLE_NUS_EVT_COMM_STOPPED: + (void)app_timer_stop(*p_instance->p_timer); + p_instance->p_cb->service_started = false; + NRF_LOG_INFO("Conn_handle:%d, communication stopped", p_instance->p_cb->conn_handle); + break; + default: + break; + } +} + +static void timer_handler(void * p_context) +{ + nrf_cli_ble_uart_internal_t * p_instance = (nrf_cli_ble_uart_internal_t *) p_context; + tx_try(p_instance, 1); + + ret_code_t err_code = app_timer_start(*p_instance->p_timer, + APP_TIMER_TICKS(NRF_CLI_BLE_UART_TIMEOUT_MS), (void *)p_instance); + ASSERT(err_code == NRF_SUCCESS); + UNUSED_VARIABLE(err_code); + UNUSED_PARAMETER(p_context); +} + +ret_code_t nrf_cli_ble_uart_service_init(void) +{ + ble_nus_init_t nus_init; + + memset(&nus_init, 0, sizeof(nus_init)); + nus_init.data_handler = nus_data_handler; + + return ble_nus_init(&m_nus, &nus_init); +} + +static ret_code_t cli_ble_uart_init(nrf_cli_transport_t const * p_transport, + void const * p_config, + nrf_cli_transport_handler_t evt_handler, + void * p_context) +{ + ret_code_t err_code; + nrf_cli_ble_uart_internal_t ** pp_instance; + nrf_cli_ble_uart_internal_t * p_instance = + CONTAINER_OF(p_transport, nrf_cli_ble_uart_internal_t, transport); + nrf_cli_ble_uart_config_t * p_ble_uart_config = (nrf_cli_ble_uart_config_t *)p_config; + + p_instance->p_cb->handler = evt_handler; + p_instance->p_cb->p_context = p_context; + p_instance->p_cb->service_started = false; + p_instance->p_cb->conn_handle = p_ble_uart_config->conn_handle; + + NRF_LOG_INFO("Conn_handle:%d init.", p_ble_uart_config->conn_handle); + nrf_ringbuf_init(p_instance->p_rx_ringbuf); + nrf_ringbuf_init(p_instance->p_tx_ringbuf); + + err_code = blcm_link_ctx_get(&m_link_ctx_storage, + p_ble_uart_config->conn_handle, + (void *) &pp_instance); + VERIFY_SUCCESS(err_code); + + *pp_instance = p_instance; + + return NRF_SUCCESS; +} + +static ret_code_t cli_ble_uart_uninit(nrf_cli_transport_t const * p_transport) +{ + nrf_cli_ble_uart_internal_t * p_instance = + CONTAINER_OF(p_transport, nrf_cli_ble_uart_internal_t, transport); + + NRF_LOG_INFO("Conn_handle:%d uninit.", p_instance->p_cb->conn_handle); + ret_code_t ret = app_timer_stop(*p_instance->p_timer); + + return ret; +} + +static ret_code_t cli_ble_uart_enable(nrf_cli_transport_t const * p_transport, bool blocking) +{ + nrf_cli_ble_uart_internal_t * p_instance = + CONTAINER_OF(p_transport, nrf_cli_ble_uart_internal_t, transport); + + + NRF_LOG_INFO("Conn_handle:%d, enable blocking:%d", blocking, p_instance->p_cb->conn_handle); + if (blocking) + { + return NRF_ERROR_NOT_SUPPORTED; + } + else + { + ret_code_t err_code = NRF_SUCCESS; + if (!p_instance->p_cb->timer_created) + { + err_code = app_timer_create(p_instance->p_timer, + APP_TIMER_MODE_SINGLE_SHOT, + timer_handler); + p_instance->p_cb->timer_created = true; + } + return err_code; + } +} + +static ret_code_t cli_ble_uart_read(nrf_cli_transport_t const * p_transport, + void * p_data, + size_t length, + size_t * p_cnt) +{ + ASSERT(p_cnt); + nrf_cli_ble_uart_internal_t * p_instance = + CONTAINER_OF(p_transport, nrf_cli_ble_uart_internal_t, transport); + *p_cnt = length; + ret_code_t err_code = nrf_ringbuf_cpy_get(p_instance->p_rx_ringbuf, p_data, p_cnt); + + if (*p_cnt) + { + NRF_LOG_INFO("Conn_handle:%d, read req_len:%d read_len: %d", + p_instance->p_cb->conn_handle, + length, + *p_cnt); + NRF_LOG_HEXDUMP_DEBUG(p_data, *p_cnt); + } + + return err_code; +} + +static ret_code_t cli_ble_uart_write(nrf_cli_transport_t const * p_transport, + const void * p_data, + size_t length, + size_t * p_cnt) +{ + ASSERT(p_cnt); + nrf_cli_ble_uart_internal_t * p_instance = + CONTAINER_OF(p_transport, nrf_cli_ble_uart_internal_t, transport); + ret_code_t err_code = NRF_SUCCESS; + if (p_instance->p_cb->service_started) + { + *p_cnt = length; + err_code = nrf_ringbuf_cpy_put(p_instance->p_tx_ringbuf, p_data, p_cnt); + + NRF_LOG_INFO("Conn_handle:%d, write req:%d, buffered:%d", + p_instance->p_cb->conn_handle, length, *p_cnt); + NRF_LOG_HEXDUMP_DEBUG(p_data, *p_cnt); + } + else + { + NRF_LOG_INFO("Conn_handle:%d, write req:%d. Notifications not enabled", + p_instance->p_cb->conn_handle, length); + *p_cnt = length; + p_instance->p_cb->handler(NRF_CLI_TRANSPORT_EVT_TX_RDY, p_instance->p_cb->p_context); + } + return err_code; +} + +const nrf_cli_transport_api_t nrf_cli_ble_uart_transport_api = { + .init = cli_ble_uart_init, + .uninit = cli_ble_uart_uninit, + .enable = cli_ble_uart_enable, + .read = cli_ble_uart_read, + .write = cli_ble_uart_write, +}; + +#endif //NRF_MODULE_ENABLED(NRF_CLI_BLE_UART) |