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xiaozhengsheng
2025-08-19 09:49:41 +08:00
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commit 6df0f7d96e
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317
components/libraries/cli/ble_uart/nrf_cli_ble_uart.c Normal file
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/**
* Copyright (c) 2016 - 2020, 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)

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components/libraries/cli/ble_uart/nrf_cli_ble_uart.h Normal file
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/**
* Copyright (c) 2017 - 2020, 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.
*
*/
#ifndef NRF_CLI_BLE_UART_H__
#define NRF_CLI_BLE_UART_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "nrf_cli.h"
#include "ble.h"
#include "app_timer.h"
#include "nrf_ringbuf.h"
#include "nordic_common.h"
#include "nrf_ble_gatt.h"
/**@file
*
* @defgroup nrf_cli_ble_uart BLE UART command line interface transport layer
* @ingroup nrf_cli
*
* @{
*
*/
/**
* @brief Command line interface transport.
*/
ret_code_t nrf_cli_ble_uart_service_init(void);
extern const nrf_cli_transport_api_t nrf_cli_ble_uart_transport_api;
typedef struct nrf_cli_ble_uart_internal_s nrf_cli_ble_uart_internal_t;
typedef struct {
nrf_cli_transport_handler_t handler;
void * p_context;
uint16_t conn_handle;
bool timer_created;
bool service_started;
} nrf_cli_ble_uart_internal_cb_t;
struct nrf_cli_ble_uart_internal_s {
nrf_cli_transport_t transport;
nrf_cli_ble_uart_internal_cb_t * p_cb;
app_timer_id_t const * p_timer;
nrf_ringbuf_t const * p_rx_ringbuf;
nrf_ringbuf_t const * p_tx_ringbuf;
nrf_ble_gatt_t const * p_gatt;
};
typedef struct {
uint16_t conn_handle;
} nrf_cli_ble_uart_config_t;
/**@brief CLI Bluetooth transport definition.
*
* @param _name Name of the instance.
* @param _p_gatt Pointer to the nrf_ble_gatt module.
* @param _tx_buf_sz Size of TX ring buffer.
* @param _rx_buf_sz Size of RX ring buffer.
*/
#define NRF_CLI_BLE_UART_DEF(_name, _p_gatt, _tx_buf_sz, _rx_buf_sz) \
APP_TIMER_DEF(CONCAT_2(_name, _timer)); \
NRF_RINGBUF_DEF(CONCAT_2(_name,_tx_ringbuf), _tx_buf_sz); \
NRF_RINGBUF_DEF(CONCAT_2(_name,_rx_ringbuf), _rx_buf_sz); \
static nrf_cli_ble_uart_internal_cb_t CONCAT_2(_name, _cb); \
static const nrf_cli_ble_uart_internal_t _name = { \
.transport = {.p_api = &nrf_cli_ble_uart_transport_api}, \
.p_cb = &CONCAT_2(_name, _cb), \
.p_timer = &CONCAT_2(_name, _timer), \
.p_rx_ringbuf = &CONCAT_2(_name,_rx_ringbuf), \
.p_tx_ringbuf = &CONCAT_2(_name,_tx_ringbuf), \
.p_gatt = _p_gatt, \
}
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* NRF_CLI_BLE_UART_H__ */