aboutsummaryrefslogtreecommitdiff
path: root/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue')
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue/nrf_queue.c547
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue/nrf_queue.h429
2 files changed, 976 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue/nrf_queue.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue/nrf_queue.c
new file mode 100644
index 0000000..9afc16c
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue/nrf_queue.c
@@ -0,0 +1,547 @@
+/**
+ * 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_QUEUE)
+#include "nrf_queue.h"
+#include "app_util_platform.h"
+
+#if NRF_QUEUE_CONFIG_LOG_ENABLED
+ #define NRF_LOG_LEVEL NRF_QUEUE_CONFIG_LOG_LEVEL
+ #define NRF_LOG_INIT_FILTER_LEVEL NRF_QUEUE_CONFIG_LOG_INIT_FILTER_LEVEL
+ #define NRF_LOG_INFO_COLOR NRF_QUEUE_CONFIG_INFO_COLOR
+ #define NRF_LOG_DEBUG_COLOR NRF_QUEUE_CONFIG_DEBUG_COLOR
+#else
+ #define NRF_LOG_LEVEL 0
+#endif // NRF_QUEUE_CONFIG_LOG_ENABLED
+#include "nrf_log.h"
+
+NRF_SECTION_DEF(nrf_queue, nrf_queue_t);
+
+#if NRF_QUEUE_CLI_CMDS
+#include "nrf_cli.h"
+
+static void nrf_queue_status(nrf_cli_t const * p_cli, size_t argc, char **argv)
+{
+ UNUSED_PARAMETER(argv);
+
+ if (nrf_cli_help_requested(p_cli))
+ {
+ nrf_cli_help_print(p_cli, NULL, 0);
+ return;
+ }
+
+ if (argc > 1)
+ {
+ nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "Bad argument count");
+ return;
+ }
+
+ uint32_t num_of_instances = NRF_SECTION_ITEM_COUNT(nrf_queue, nrf_queue_t);
+ uint32_t i;
+
+ for (i = 0; i < num_of_instances; i++)
+ {
+ const nrf_queue_t * p_instance = NRF_SECTION_ITEM_GET(nrf_queue, nrf_queue_t, i);
+
+ uint32_t element_size = p_instance->element_size;
+ uint32_t size = p_instance->size;
+ uint32_t max_util = nrf_queue_max_utilization_get(p_instance);
+ uint32_t util = nrf_queue_utilization_get(p_instance);
+ const char * p_name = p_instance->p_name;
+ nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL,
+ "%s\r\n\t- Element size:\t%d\r\n"
+ "\t- Usage:\t%u%% (%u out of %u elements)\r\n"
+ "\t- Maximum:\t%u%% (%u out of %u elements)\r\n"
+ "\t- Mode:\t\t%s\r\n\r\n",
+ p_name, element_size,
+ 100ul * util/size, util,size,
+ 100ul * max_util/size, max_util,size,
+ (p_instance->mode == NRF_QUEUE_MODE_OVERFLOW) ? "Overflow" : "No overflow");
+
+ }
+}
+// Register "queue" command and its subcommands in CLI.
+NRF_CLI_CREATE_STATIC_SUBCMD_SET(nrf_queue_commands)
+{
+ NRF_CLI_CMD(status, NULL, "Print status of queue instances.", nrf_queue_status),
+ NRF_CLI_SUBCMD_SET_END
+};
+
+NRF_CLI_CMD_REGISTER(queue, &nrf_queue_commands, "Commands for BALLOC management", nrf_queue_status);
+#endif //NRF_QUEUE_CLI_CMDS
+
+/**@brief Get next element index.
+ *
+ * @param[in] p_queue Pointer to the queue instance.
+ * @param[in] idx Current index.
+ *
+ * @return Next element index.
+ */
+__STATIC_INLINE size_t nrf_queue_next_idx(nrf_queue_t const * p_queue, size_t idx)
+{
+ ASSERT(p_queue != NULL);
+ return (idx < p_queue->size) ? (idx + 1) : 0;
+}
+
+/**@brief Get current queue utilization. This function assumes that this process will not be interrupted.
+ *
+ * @param[in] p_queue Pointer to the queue instance.
+ *
+ * @return Current queue utilization.
+ */
+__STATIC_INLINE size_t queue_utilization_get(nrf_queue_t const * p_queue)
+{
+ size_t front = p_queue->p_cb->front;
+ size_t back = p_queue->p_cb->back;
+ return (back >= front) ? (back - front) : (p_queue->size + 1 - front + back);
+}
+
+bool nrf_queue_is_full(nrf_queue_t const * p_queue)
+{
+ ASSERT(p_queue != NULL);
+ size_t front = p_queue->p_cb->front;
+ size_t back = p_queue->p_cb->back;
+
+ return (nrf_queue_next_idx(p_queue, back) == front);
+}
+
+ret_code_t nrf_queue_push(nrf_queue_t const * p_queue, void const * p_element)
+{
+ ret_code_t status = NRF_SUCCESS;
+
+ ASSERT(p_queue != NULL);
+ ASSERT(p_element != NULL);
+
+ CRITICAL_REGION_ENTER();
+ bool is_full = nrf_queue_is_full(p_queue);
+
+ if (!is_full || (p_queue->mode == NRF_QUEUE_MODE_OVERFLOW))
+ {
+ // Get write position.
+ size_t write_pos = p_queue->p_cb->back;
+ p_queue->p_cb->back = nrf_queue_next_idx(p_queue, p_queue->p_cb->back);
+ if (is_full)
+ {
+ // Overwrite the oldest element.
+ NRF_LOG_INST_WARNING(p_queue->p_log, "Queue full. Overwriting oldest element.");
+ p_queue->p_cb->front = nrf_queue_next_idx(p_queue, p_queue->p_cb->front);
+ }
+
+ // Write a new element.
+ switch (p_queue->element_size)
+ {
+ case sizeof(uint8_t):
+ ((uint8_t *)p_queue->p_buffer)[write_pos] = *((uint8_t *)p_element);
+ break;
+
+ case sizeof(uint16_t):
+ ((uint16_t *)p_queue->p_buffer)[write_pos] = *((uint16_t *)p_element);
+ break;
+
+ case sizeof(uint32_t):
+ ((uint32_t *)p_queue->p_buffer)[write_pos] = *((uint32_t *)p_element);
+ break;
+
+ case sizeof(uint64_t):
+ ((uint64_t *)p_queue->p_buffer)[write_pos] = *((uint64_t *)p_element);
+ break;
+
+ default:
+ memcpy((void *)((size_t)p_queue->p_buffer + write_pos * p_queue->element_size),
+ p_element,
+ p_queue->element_size);
+ break;
+ }
+
+ // Update utilization.
+ size_t utilization = queue_utilization_get(p_queue);
+ if (p_queue->p_cb->max_utilization < utilization)
+ {
+ p_queue->p_cb->max_utilization = utilization;
+ }
+ }
+ else
+ {
+ status = NRF_ERROR_NO_MEM;
+ }
+
+ CRITICAL_REGION_EXIT();
+
+ NRF_LOG_INST_DEBUG(p_queue->p_log, "pushed element 0x%08X, status:%d", p_element, status);
+ return status;
+}
+
+ret_code_t nrf_queue_generic_pop(nrf_queue_t const * p_queue,
+ void * p_element,
+ bool just_peek)
+{
+ ret_code_t status = NRF_SUCCESS;
+
+ ASSERT(p_queue != NULL);
+ ASSERT(p_element != NULL);
+
+ CRITICAL_REGION_ENTER();
+
+ if (!nrf_queue_is_empty(p_queue))
+ {
+ // Get read position.
+ size_t read_pos = p_queue->p_cb->front;
+
+ // Update next read position.
+ if (!just_peek)
+ {
+ p_queue->p_cb->front = nrf_queue_next_idx(p_queue, p_queue->p_cb->front);
+ }
+
+ // Read element.
+ switch (p_queue->element_size)
+ {
+ case sizeof(uint8_t):
+ *((uint8_t *)p_element) = ((uint8_t *)p_queue->p_buffer)[read_pos];
+ break;
+
+ case sizeof(uint16_t):
+ *((uint16_t *)p_element) = ((uint16_t *)p_queue->p_buffer)[read_pos];
+ break;
+
+ case sizeof(uint32_t):
+ *((uint32_t *)p_element) = ((uint32_t *)p_queue->p_buffer)[read_pos];
+ break;
+
+ case sizeof(uint64_t):
+ *((uint64_t *)p_element) = ((uint64_t *)p_queue->p_buffer)[read_pos];
+ break;
+
+ default:
+ memcpy(p_element,
+ (void const *)((size_t)p_queue->p_buffer + read_pos * p_queue->element_size),
+ p_queue->element_size);
+ break;
+ }
+ }
+ else
+ {
+ status = NRF_ERROR_NOT_FOUND;
+ }
+
+ CRITICAL_REGION_EXIT();
+ NRF_LOG_INST_DEBUG(p_queue->p_log, "%s element 0x%08X, status:%d",
+ just_peek ? "peeked" : "popped", p_element, status);
+ return status;
+}
+
+/**@brief Write elements to the queue. This function assumes that there is enough room in the queue
+ * to write the requested number of elements and that this process will not be interrupted.
+ *
+ * @param[in] p_queue Pointer to the nrf_queue_t instance.
+ * @param[in] p_data Pointer to the buffer with elements to write.
+ * @param[in] element_count Number of elements to write.
+ */
+static void queue_write(nrf_queue_t const * p_queue, void const * p_data, uint32_t element_count)
+{
+ size_t prev_available = nrf_queue_available_get(p_queue);
+ size_t continuous = p_queue->size + 1 - p_queue->p_cb->back;
+ void * p_write_ptr = (void *)((size_t)p_queue->p_buffer
+ + p_queue->p_cb->back * p_queue->element_size);
+ if (element_count <= continuous)
+ {
+ memcpy(p_write_ptr,
+ p_data,
+ element_count * p_queue->element_size);
+
+ p_queue->p_cb->back = ((p_queue->p_cb->back + element_count) <= p_queue->size)
+ ? (p_queue->p_cb->back + element_count)
+ : 0;
+ }
+ else
+ {
+ size_t first_write_length = continuous * p_queue->element_size;
+ memcpy(p_write_ptr,
+ p_data,
+ first_write_length);
+
+ size_t elements_left = element_count - continuous;
+ memcpy(p_queue->p_buffer,
+ (void const *)((size_t)p_data + first_write_length),
+ elements_left * p_queue->element_size);
+
+ p_queue->p_cb->back = elements_left;
+ if (prev_available < element_count)
+ {
+ // Overwrite the oldest elements.
+ p_queue->p_cb->front = nrf_queue_next_idx(p_queue, p_queue->p_cb->back);
+ }
+ }
+
+ // Update utilization.
+ size_t utilization = queue_utilization_get(p_queue);
+ if (p_queue->p_cb->max_utilization < utilization)
+ {
+ p_queue->p_cb->max_utilization = utilization;
+ }
+}
+
+ret_code_t nrf_queue_write(nrf_queue_t const * p_queue,
+ void const * p_data,
+ size_t element_count)
+{
+ ret_code_t status = NRF_SUCCESS;
+
+ ASSERT(p_queue != NULL);
+ ASSERT(p_data != NULL);
+ ASSERT(element_count <= p_queue->size);
+
+ if (element_count == 0)
+ {
+ return NRF_SUCCESS;
+ }
+
+ CRITICAL_REGION_ENTER();
+
+ if ((nrf_queue_available_get(p_queue) >= element_count)
+ || (p_queue->mode == NRF_QUEUE_MODE_OVERFLOW))
+ {
+ queue_write(p_queue, p_data, element_count);
+ }
+ else
+ {
+ status = NRF_ERROR_NO_MEM;
+ }
+
+ CRITICAL_REGION_EXIT();
+
+ NRF_LOG_INST_DEBUG(p_queue->p_log, "Write %d elements (start address: 0x%08X), status:%d",
+ element_count, p_data, status);
+ return status;
+}
+
+
+size_t nrf_queue_in(nrf_queue_t const * p_queue,
+ void const * p_data,
+ size_t element_count)
+{
+ ASSERT(p_queue != NULL);
+ ASSERT(p_data != NULL);
+
+ size_t req_element_count = element_count;
+
+ if (element_count == 0)
+ {
+ return 0;
+ }
+
+ CRITICAL_REGION_ENTER();
+
+ if (p_queue->mode == NRF_QUEUE_MODE_OVERFLOW)
+ {
+ element_count = MIN(element_count, p_queue->size);
+ }
+ else
+ {
+ size_t available = nrf_queue_available_get(p_queue);
+ element_count = MIN(element_count, available);
+ }
+
+ queue_write(p_queue, p_data, element_count);
+
+ CRITICAL_REGION_EXIT();
+
+ NRF_LOG_INST_DEBUG(p_queue->p_log, "Put in %d elements (start address: 0x%08X), requested :%d",
+ element_count, p_data, req_element_count);
+
+ return element_count;
+}
+
+/**@brief Read elements from the queue. This function assumes that there are enough elements
+ * in the queue to read and that this process will not be interrupted.
+ *
+ * @param[in] p_queue Pointer to the nrf_queue_t instance.
+ * @param[out] p_data Pointer to the buffer where elements will be copied.
+ * @param[in] element_count Number of elements to read.
+ */
+static void queue_read(nrf_queue_t const * p_queue, void * p_data, uint32_t element_count)
+{
+ size_t front = p_queue->p_cb->front;
+ size_t back = p_queue->p_cb->back;
+ size_t continuous = (front <= back) ? (back - front) : (p_queue->size + 1 - front);
+ void const * p_read_ptr = (void const *)((size_t)p_queue->p_buffer
+ + front * p_queue->element_size);
+
+ if (element_count <= continuous)
+ {
+ memcpy(p_data,
+ p_read_ptr,
+ element_count * p_queue->element_size);
+
+ p_queue->p_cb->front = ((front + element_count) <= p_queue->size)
+ ? (front + element_count)
+ : 0;
+ }
+ else
+ {
+ size_t first_read_length = continuous * p_queue->element_size;
+ memcpy(p_data,
+ p_read_ptr,
+ first_read_length);
+
+ size_t elements_left = element_count - continuous;
+ memcpy((void *)((size_t)p_data + first_read_length),
+ p_queue->p_buffer,
+ elements_left * p_queue->element_size);
+
+ p_queue->p_cb->front = elements_left;
+ }
+}
+
+ret_code_t nrf_queue_read(nrf_queue_t const * p_queue,
+ void * p_data,
+ size_t element_count)
+{
+ ret_code_t status = NRF_SUCCESS;
+
+ ASSERT(p_queue != NULL);
+ ASSERT(p_data != NULL);
+
+ if (element_count == 0)
+ {
+ return NRF_SUCCESS;
+ }
+
+ CRITICAL_REGION_ENTER();
+
+ if (element_count <= queue_utilization_get(p_queue))
+ {
+ queue_read(p_queue, p_data, element_count);
+ }
+ else
+ {
+ status = NRF_ERROR_NOT_FOUND;
+ }
+
+ CRITICAL_REGION_EXIT();
+
+ NRF_LOG_INST_DEBUG(p_queue->p_log, "Read %d elements (start address: 0x%08X), status :%d",
+ element_count, p_data, status);
+ return status;
+}
+
+size_t nrf_queue_out(nrf_queue_t const * p_queue,
+ void * p_data,
+ size_t element_count)
+{
+ ASSERT(p_queue != NULL);
+ ASSERT(p_data != NULL);
+
+ size_t req_element_count = element_count;
+
+ if (element_count == 0)
+ {
+ return 0;
+ }
+
+ CRITICAL_REGION_ENTER();
+
+ size_t utilization = queue_utilization_get(p_queue);
+ element_count = MIN(element_count, utilization);
+
+ queue_read(p_queue, p_data, element_count);
+
+ CRITICAL_REGION_EXIT();
+
+ NRF_LOG_INST_DEBUG(p_queue->p_log, "Out %d elements (start address: 0x%08X), requested :%d",
+ element_count, p_data, req_element_count);
+ return element_count;
+}
+
+void nrf_queue_reset(nrf_queue_t const * p_queue)
+{
+ ASSERT(p_queue != NULL);
+
+ CRITICAL_REGION_ENTER();
+
+ memset(p_queue->p_cb, 0, sizeof(nrf_queue_cb_t));
+
+ CRITICAL_REGION_EXIT();
+
+ NRF_LOG_INST_DEBUG(p_queue->p_log, "Reset");
+}
+
+size_t nrf_queue_utilization_get(nrf_queue_t const * p_queue)
+{
+ size_t utilization;
+ ASSERT(p_queue != NULL);
+
+ CRITICAL_REGION_ENTER();
+
+ utilization = queue_utilization_get(p_queue);
+
+ CRITICAL_REGION_EXIT();
+
+ return utilization;
+}
+
+bool nrf_queue_is_empty(nrf_queue_t const * p_queue)
+{
+ ASSERT(p_queue != NULL);
+ size_t front = p_queue->p_cb->front;
+ size_t back = p_queue->p_cb->back;
+ return (front == back);
+}
+
+size_t nrf_queue_available_get(nrf_queue_t const * p_queue)
+{
+ ASSERT(p_queue != NULL);
+ return p_queue->size - nrf_queue_utilization_get(p_queue);
+}
+
+size_t nrf_queue_max_utilization_get(nrf_queue_t const * p_queue)
+{
+ ASSERT(p_queue != NULL);
+ return p_queue->p_cb->max_utilization;
+}
+
+void nrf_queue_max_utilization_reset(nrf_queue_t const * p_queue)
+{
+ ASSERT(p_queue != NULL);
+ p_queue->p_cb->max_utilization = 0;
+}
+
+
+#endif // NRF_MODULE_ENABLED(NRF_QUEUE)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue/nrf_queue.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue/nrf_queue.h
new file mode 100644
index 0000000..1ba2a92
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/queue/nrf_queue.h
@@ -0,0 +1,429 @@
+/**
+ * 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.
+ *
+ */
+/**
+* @defgroup nrf_queue Queue module
+* @{
+* @ingroup app_common
+* @brief Functions that handle the queue instances.
+*/
+
+#ifndef NRF_QUEUE_H__
+#define NRF_QUEUE_H__
+
+#include <stdint.h>
+#include <stdint.h>
+#include <string.h>
+#include "nrf_assert.h"
+#include "sdk_errors.h"
+#include "app_util.h"
+#include "app_util_platform.h"
+#include "nrf_log_instance.h"
+#include "nrf_section.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @brief Name of the module used for logger messaging.
+ */
+#define NRF_QUEUE_LOG_NAME queue
+
+/**@brief Queue control block. */
+typedef struct
+{
+ volatile size_t front; //!< Queue front index.
+ volatile size_t back; //!< Queue back index.
+ size_t max_utilization; //!< Maximum utilization of the queue.
+} nrf_queue_cb_t;
+
+/**@brief Supported queue modes. */
+typedef enum
+{
+ NRF_QUEUE_MODE_OVERFLOW, //!< If the queue is full, new element will overwrite the oldest.
+ NRF_QUEUE_MODE_NO_OVERFLOW, //!< If the queue is full, new element will not be accepted.
+} nrf_queue_mode_t;
+
+/**@brief Instance of the queue. */
+typedef struct
+{
+ nrf_queue_cb_t * p_cb; //!< Pointer to the instance control block.
+ void * p_buffer; //!< Pointer to the memory that is used as storage.
+ size_t size; //!< Size of the queue.
+ size_t element_size; //!< Size of one element.
+ nrf_queue_mode_t mode; //!< Mode of the queue.
+#if NRF_QUEUE_CLI_CMDS
+ const char * p_name; //!< Pointer to string with queue name.
+#endif
+ NRF_LOG_INSTANCE_PTR_DECLARE(p_log) //!< Pointer to instance of the logger object (Conditionally compiled).
+} nrf_queue_t;
+
+#if NRF_QUEUE_CLI_CMDS
+#define __NRF_QUEUE_ASSIGN_POOL_NAME(_name) .p_name = STRINGIFY(_name),
+#else
+#define __NRF_QUEUE_ASSIGN_POOL_NAME(_name)
+#endif
+/**@brief Create a queue instance.
+ *
+ * @note This macro reserves memory for the given queue instance.
+ *
+ * @param[in] _type Type which is stored.
+ * @param[in] _name Name of the queue.
+ * @param[in] _size Size of the queue.
+ * @param[in] _mode Mode of the queue.
+ */
+#define NRF_QUEUE_DEF(_type, _name, _size, _mode) \
+ static _type CONCAT_2(_name, _nrf_queue_buffer[(_size) + 1]); \
+ static nrf_queue_cb_t CONCAT_2(_name, _nrf_queue_cb); \
+ NRF_LOG_INSTANCE_REGISTER(NRF_QUEUE_LOG_NAME, _name, \
+ NRF_QUEUE_CONFIG_INFO_COLOR, \
+ NRF_QUEUE_CONFIG_DEBUG_COLOR, \
+ NRF_QUEUE_CONFIG_LOG_INIT_FILTER_LEVEL, \
+ NRF_QUEUE_CONFIG_LOG_ENABLED ? \
+ NRF_QUEUE_CONFIG_LOG_LEVEL : NRF_LOG_SEVERITY_NONE); \
+ NRF_SECTION_ITEM_REGISTER(nrf_queue, const nrf_queue_t _name) = \
+ { \
+ .p_cb = &CONCAT_2(_name, _nrf_queue_cb), \
+ .p_buffer = CONCAT_2(_name,_nrf_queue_buffer), \
+ .size = (_size), \
+ .element_size = sizeof(_type), \
+ .mode = _mode, \
+ __NRF_QUEUE_ASSIGN_POOL_NAME(_name) \
+ NRF_LOG_INSTANCE_PTR_INIT(p_log, NRF_QUEUE_LOG_NAME, _name) \
+ }
+
+/**@brief Declare a queue interface.
+ *
+ * @param[in] _type Type which is stored.
+ * @param[in] _name Name of the queue.
+ */
+#define NRF_QUEUE_INTERFACE_DEC(_type, _name) \
+ ret_code_t _name##_push(_type const * p_element); \
+ ret_code_t _name##_pop(_type * p_element); \
+ ret_code_t _name##_peek(_type * p_element); \
+ ret_code_t _name##_write(_type const * p_data, \
+ size_t element_count); \
+ ret_code_t _name##_read(_type * p_data, \
+ size_t element_count); \
+ size_t _name##_out(_type * p_data, \
+ size_t element_count); \
+ size_t _name##_in(_type const * p_data, \
+ size_t element_count); \
+ bool _name##_is_full(void); \
+ bool _name##_is_empty(void); \
+ size_t _name##_utilization_get(void); \
+ size_t _name##_available_get(void); \
+ size_t _name##_max_utilization_get(void); \
+ void _name##_reset(void)
+
+/**@brief Define a queue interface.
+ *
+ * @param[in] _type Type which is stored.
+ * @param[in] _name Name of the queue.
+ * @param[in] _p_queue Queue instance.
+ */
+#define NRF_QUEUE_INTERFACE_DEF(_type, _name, _p_queue) \
+ ret_code_t _name##_push(_type const * p_element) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ ASSERT((_p_queue)->element_size == sizeof(_type)); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_push((_p_queue), p_element); \
+ } \
+ ret_code_t _name##_pop(_type * p_element) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ ASSERT((_p_queue)->element_size == sizeof(_type)); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_pop((_p_queue), p_element); \
+ } \
+ ret_code_t _name##_peek(_type * p_element) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ ASSERT((_p_queue)->element_size == sizeof(_type)); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_peek((_p_queue), p_element); \
+ } \
+ ret_code_t _name##_write(_type const * p_data, \
+ size_t element_count) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ ASSERT((_p_queue)->element_size == sizeof(_type)); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_write((_p_queue), p_data, element_count); \
+ } \
+ ret_code_t _name##_read(_type * p_data, \
+ size_t element_count) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ ASSERT((_p_queue)->element_size == sizeof(_type)); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_read((_p_queue), p_data, element_count); \
+ } \
+ size_t _name##_in(_type const * p_data, \
+ size_t element_count) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ ASSERT((_p_queue)->element_size == sizeof(_type)); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_in((_p_queue), p_data, element_count); \
+ } \
+ size_t _name##_out(_type * p_data, \
+ size_t element_count) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ ASSERT((_p_queue)->element_size == sizeof(_type)); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_out((_p_queue), p_data, element_count); \
+ } \
+ bool _name##_is_full(void) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ return nrf_queue_is_full(_p_queue); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ } \
+ bool _name##_is_empty(void) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_is_empty(_p_queue); \
+ } \
+ size_t _name##_utilization_get(void) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_utilization_get(_p_queue); \
+ } \
+ size_t _name##_available_get(void) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_available_get(_p_queue); \
+ } \
+ size_t _name##_max_utilization_get(void) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ return nrf_queue_max_utilization_get(_p_queue); \
+ } \
+ void _name##_reset(void) \
+ { \
+ GCC_PRAGMA("GCC diagnostic push") \
+ GCC_PRAGMA("GCC diagnostic ignored \"-Waddress\"") \
+ ASSERT((_p_queue) != NULL); \
+ GCC_PRAGMA("GCC diagnostic pop") \
+ nrf_queue_reset(_p_queue); \
+ }
+
+/**@brief Function for pushing an element to the end of queue.
+ *
+ * @param[in] p_queue Pointer to the nrf_queue_t instance.
+ * @param[in] p_element Pointer to the element that will be stored in the queue.
+ *
+ * @return NRF_SUCCESS If an element has been successfully added.
+ * @return NRF_ERROR_NO_MEM If the queue is full (only in @ref NRF_QUEUE_MODE_NO_OVERFLOW).
+ */
+ret_code_t nrf_queue_push(nrf_queue_t const * p_queue, void const * p_element);
+
+/**@brief Generic pop implementation.
+ *
+ * @param[in] p_queue Pointer to the nrf_queue_t instance.
+ * @param[out] p_element Pointer where the element will be copied.
+ * @param[out] just_peek If true, the returned element will not be removed from queue.
+ *
+ * @return NRF_SUCCESS If an element was returned.
+ * @return NRF_ERROR_NOT_FOUND If there are no more elements in the queue.
+ */
+ret_code_t nrf_queue_generic_pop(nrf_queue_t const * p_queue,
+ void * p_element,
+ bool just_peek);
+
+/**@brief Pop element from the front of the queue.
+ *
+ * @param[in] _p_queue Pointer to the nrf_queue_t instance.
+ * @param[out] _p_element Pointer where the element will be copied.
+ *
+ * @return NRF_SUCCESS If an element was returned.
+ * @return NRF_ERROR_NOT_FOUND If there are no more elements in the queue.
+ */
+#define nrf_queue_pop(_p_queue, _p_element) nrf_queue_generic_pop((_p_queue), (_p_element), false)
+
+/**@brief Peek element from the front of the queue.
+ *
+ * @param[in] _p_queue Pointer to the nrf_queue_t instance.
+ * @param[out] _p_element Pointer where the element will be copied.
+ *
+ * @return NRF_SUCCESS If an element was returned.
+ * @return NRF_ERROR_NOT_FOUND If there are no more elements in the queue.
+ */
+#define nrf_queue_peek(_p_queue, _p_element) nrf_queue_generic_pop((_p_queue), (_p_element), true)
+
+/**@brief Function for writing elements to the queue.
+ *
+ * @param[in] p_queue Pointer to the nrf_queue_t instance.
+ * @param[in] p_data Pointer to the buffer with elements to write.
+ * @param[in] element_count Number of elements to write.
+ *
+ * @return NRF_SUCCESS If an element was written.
+ * @return NRF_ERROR_NO_MEM There is not enough space in the queue. No element was written.
+ */
+ret_code_t nrf_queue_write(nrf_queue_t const * p_queue,
+ void const * p_data,
+ size_t element_count);
+
+/**@brief Function for writing a portion of elements to the queue.
+ *
+ * @param[in] p_queue Pointer to the nrf_queue_t instance.
+ * @param[in] p_data Pointer to the buffer with elements to write.
+ * @param[in] element_count Number of elements to write.
+ *
+ * @return The number of added elements.
+ */
+size_t nrf_queue_in(nrf_queue_t const * p_queue,
+ void const * p_data,
+ size_t element_count);
+
+/**@brief Function for reading elements from the queue.
+ *
+ * @param[in] p_queue Pointer to the nrf_queue_t instance.
+ * @param[out] p_data Pointer to the buffer where elements will be copied.
+ * @param[in] element_count Number of elements to read.
+ *
+ * @return NRF_SUCCESS If an element was returned.
+ * @return NRF_ERROR_NOT_FOUND There is not enough elements in the queue.
+ */
+ret_code_t nrf_queue_read(nrf_queue_t const * p_queue,
+ void * p_data,
+ size_t element_count);
+
+/**@brief Function for reading a portion of elements from the queue.
+ *
+ * @param[in] p_queue Pointer to the nrf_queue_t instance.
+ * @param[out] p_data Pointer to the buffer where elements will be copied.
+ * @param[in] element_count Number of elements to read.
+ *
+ * @return The number of read elements.
+ */
+size_t nrf_queue_out(nrf_queue_t const * p_queue,
+ void * p_data,
+ size_t element_count);
+
+/**@brief Function for checking if the queue is full.
+ *
+ * @param[in] p_queue Pointer to the queue instance.
+ *
+ * @return True if the queue is full.
+ */
+bool nrf_queue_is_full(nrf_queue_t const * p_queue);
+
+/**@brief Function for checking if the queue is empty.
+ *
+ * @param[in] p_queue Pointer to the queue instance.
+ *
+ * @return True if the queue is empty.
+ */
+bool nrf_queue_is_empty(nrf_queue_t const * p_queue);
+
+/**@brief Function for getting the current queue utilization.
+ *
+ * @param[in] p_queue Pointer to the queue instance.
+ *
+ * @return Current queue utilization.
+ */
+size_t nrf_queue_utilization_get(nrf_queue_t const * p_queue);
+
+/**@brief Function for getting the size of available space.
+ *
+ * @param[in] p_queue Pointer to the queue instance.
+ *
+ * @return Size of available space.
+ */
+size_t nrf_queue_available_get(nrf_queue_t const * p_queue);
+
+/**@brief Function for getting the maximal queue utilization.
+ *
+ * @param[in] p_queue Pointer to the queue instance.
+ *
+ * @return Maximal queue utilization.
+ */
+size_t nrf_queue_max_utilization_get(nrf_queue_t const * p_queue);
+
+/**@brief Function for resetting the maximal queue utilization.
+ *
+ * @param[in] p_queue Pointer to the queue instance.
+ *
+ */
+void nrf_queue_max_utilization_reset(nrf_queue_t const * p_queue);
+
+/**@brief Function for resetting the queue state.
+ *
+ * @param[in] p_queue Pointer to the queue instance.
+ */
+void nrf_queue_reset(nrf_queue_t const * p_queue);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // NRF_QUEUE_H__
+/** @} */