diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_flash.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_flash.c | 739 |
1 files changed, 739 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_flash.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_flash.c new file mode 100644 index 0000000..0efd5d8 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_flash.c @@ -0,0 +1,739 @@ +/** + * 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_LOG) && NRF_MODULE_ENABLED(NRF_LOG_BACKEND_FLASH) +#include "nrf_log_backend_flash.h" +#include "nrf_log_str_formatter.h" +#include "nrf_fstorage_nvmc.h" +#include "nrf_log.h" +#include "nrf_atomic.h" +#include "nrf_queue.h" +#include "app_error.h" +#include <stdbool.h> + +#if (NRF_LOG_BACKEND_FLASHLOG_ENABLED == 0) && (NRF_LOG_BACKEND_CRASHLOG_ENABLED == 0) +#error "No flash backend enabled." +#endif + +/** @brief Maximum logger message payload (arguments or data in hexdump) which can be stored. */ +#define FLASH_LOG_MAX_PAYLOAD_SIZE (NRF_LOG_BACKEND_FLASH_SER_BUFFER_SIZE - sizeof(nrf_log_header_t)) + +/** @brief Size of serialization buffer in words. */ +#define FLASH_LOG_SER_BUFFER_WORDS (NRF_LOG_BACKEND_FLASH_SER_BUFFER_SIZE/sizeof(uint32_t)) + +/** @brief Length of logger header. */ +#define LOG_HEADER_LEN (sizeof(nrf_log_header_t)) + +/** @brief Length of logger header given in 32 bit words. */ +#define LOG_HEADER_LEN_WORDS (LOG_HEADER_LEN/sizeof(uint32_t)) + +/** @brief Maximum possible length of standard log message. */ +#define STD_LOG_MSG_MAX_LEN (LOG_HEADER_LEN + NRF_LOG_MAX_NUM_OF_ARGS*sizeof(uint32_t)) + +/* Buffer must be multiple of 4. */ +STATIC_ASSERT((NRF_LOG_BACKEND_FLASH_SER_BUFFER_SIZE % sizeof(uint32_t)) == 0); + +/* Buffer must fit standard log message. */ +STATIC_ASSERT(NRF_LOG_BACKEND_FLASH_SER_BUFFER_SIZE >= STD_LOG_MSG_MAX_LEN); + +/** @brief Flash page size in bytes. */ +#define CODE_PAGE_SIZE 4096 + +/** @brief Start address of the area dedicated for flash log. */ +#define FLASH_LOG_START_ADDR (NRF_LOG_BACKEND_FLASH_START_PAGE * CODE_PAGE_SIZE) + +/** @brief End address of the area dedicated for flash log. */ +#define FLASH_LOG_END_ADDR (FLASH_LOG_START_ADDR + (NRF_LOG_BACKEND_PAGES * CODE_PAGE_SIZE) - 1) + +/** @brief Size of the area dedicated for flash log. */ +#define FLASH_LOG_SIZE (NRF_LOG_BACKEND_PAGES * CODE_PAGE_SIZE) + +/** @brief Start address determined in runtime. + * + * If configuration indicates that flash log should be placed after application. + * */ +#if defined ( __CC_ARM ) +#define RUNTIME_START_ADDR \ + _Pragma("diag_suppress 170") \ + ((NRF_LOG_BACKEND_FLASH_START_PAGE == 0) ? \ + (CODE_PAGE_SIZE*CEIL_DIV((uint32_t)CODE_END, CODE_PAGE_SIZE)) : FLASH_LOG_START_ADDR) \ + _Pragma("diag_default 170") +#else +#define RUNTIME_START_ADDR ((NRF_LOG_BACKEND_FLASH_START_PAGE == 0) ? \ + (CODE_PAGE_SIZE*CEIL_DIV((uint32_t)CODE_END, CODE_PAGE_SIZE)) : FLASH_LOG_START_ADDR) +#endif +static void fstorage_evt_handler(nrf_fstorage_evt_t * p_evt); + +/** @brief Message queue for run time flash log. */ +#if NRF_LOG_BACKEND_FLASHLOG_ENABLED +NRF_QUEUE_DEF(nrf_log_entry_t *, + m_flashlog_queue, + NRF_LOG_BACKEND_FLASHLOG_QUEUE_SIZE, + NRF_QUEUE_MODE_NO_OVERFLOW); +static const nrf_queue_t * mp_flashlog_queue = &m_flashlog_queue; +#else +static const nrf_queue_t * mp_flashlog_queue = NULL; +#endif + + +/** @brief Message FIFO for crash log. */ +#if NRF_LOG_BACKEND_CRASHLOG_ENABLED +NRF_QUEUE_DEF(nrf_log_entry_t *, + m_crashlog_queue, + NRF_LOG_BACKEND_CRASHLOG_FIFO_SIZE, + NRF_QUEUE_MODE_NO_OVERFLOW); +static const nrf_queue_t * mp_crashlog_queue = &m_crashlog_queue; +#else +static const nrf_queue_t * mp_crashlog_queue = NULL; +#endif + + +/** @brief Fstorage instance used for flash log. */ +NRF_FSTORAGE_DEF(nrf_fstorage_t m_log_flash_fstorage) = +{ + /* Set a handler for fstorage events. */ + .evt_handler = fstorage_evt_handler, + .start_addr = FLASH_LOG_START_ADDR, + .end_addr = FLASH_LOG_END_ADDR, +}; + +/** @brief Flash log state. */ +typedef enum +{ + LOG_BACKEND_FLASH_ACTIVE, /**< Flash backend is active. */ + LOG_BACKEND_FLASH_INACTIVE, /**< Flash backend is inactive. All incoming requests are skipped. */ + LOG_BACKEND_FLASH_IN_PANIC, /**< Flash backend is in panic mode. Incoming messages are written to flash in synchronous mode. */ +} log_backend_flash_state_t; + +static log_backend_flash_state_t m_state; /**< Flash logger backend state. */ +static nrf_atomic_flag_t m_busy_flag; /**< Flag indicating if module performs flash writing. */ +static uint32_t m_flash_buf[FLASH_LOG_SER_BUFFER_WORDS]; /**< Buffer used for serializing messages. */ +static uint32_t m_curr_addr; /**< Address of free spot in the storage area. */ +static size_t m_curr_len; /**< Length of current message being written. */ +static uint32_t m_dropped; /**< Number of dropped messages. */ + +/** @brief Log message string injected when entering panic mode. */ +static const char crashlog_str[] = "-----------CRASHLOG------------\r\n"; + +/** @brief Function saturates input to maximum possible length and rounds up value to be multiple + * of word size. + * + * @param length Length value. + * + * @return Modified input length. + */ +static uint32_t saturate_align_length(uint32_t length) +{ + length = (length > FLASH_LOG_MAX_PAYLOAD_SIZE) ? FLASH_LOG_MAX_PAYLOAD_SIZE : length; //saturate + length = CEIL_DIV(length, sizeof(uint32_t))*sizeof(uint32_t); + return length; +} + + +/** + * @brief Function for copying logger message to the buffer. + * + * @param[in] p_msg Logger message. + * @param[out] p_buf Output buffer where serialized message is placed. + * @param[in,out] p_len Buffer size as input, length of prepared data as output. + * + * @return True if message fits into the buffer, false otherwise + */ +static bool msg_to_buf(nrf_log_entry_t * p_msg, uint8_t * p_buf, size_t * p_len) +{ + uint32_t data_len; + nrf_log_header_t header = {0}; + uint32_t memobj_offset = HEADER_SIZE*sizeof(uint32_t); + + nrf_memobj_read(p_msg, &header, HEADER_SIZE*sizeof(uint32_t), 0); + + memcpy(p_buf, &header, sizeof(nrf_log_header_t)); + p_buf += sizeof(nrf_log_header_t); + + switch (header.base.generic.type) + { + case HEADER_TYPE_STD: + { + data_len = header.base.std.nargs * sizeof(uint32_t); + break; + } + case HEADER_TYPE_HEXDUMP: + { + data_len = saturate_align_length(header.base.hexdump.len); + break; + } + default: + *p_len = 0; + return false; + } + nrf_memobj_read(p_msg, p_buf, data_len, memobj_offset); + + if (*p_len >= sizeof(nrf_log_header_t) + data_len) + { + *p_len = sizeof(nrf_log_header_t) + data_len; + return true; + } + else + { + return false; + } +} + +/** + * @brief Function for getting logger message stored in flash. + * + * @param[in] p_buf Pointer to the location where message is stored. + * @param[out] pp_header Pointer to the log message header. + * @param[out] pp_data Pointer to the log message data (arguments or data in case of hexdump). + * + * @return True if message was successfully fetched, false otherwise. + */ +static bool msg_from_buf(uint32_t * p_buf, + nrf_log_header_t * * pp_header, + uint8_t * * pp_data, + uint32_t * p_len) +{ + *pp_header = (nrf_log_header_t *)p_buf; + *pp_data = (uint8_t *)&p_buf[LOG_HEADER_LEN_WORDS]; + + uint32_t data_len; + + switch ((*pp_header)->base.generic.type) + { + case HEADER_TYPE_STD: + { + data_len = ((*pp_header)->base.std.nargs)*sizeof(uint32_t); + break; + } + case HEADER_TYPE_HEXDUMP: + { + + data_len = saturate_align_length((*pp_header)->base.hexdump.len); + break; + } + default: + return false; + } + + *p_len = LOG_HEADER_LEN + data_len; + return true; +} + +/** + * @brief Function for processing log message queue. + * + * If writing to flash is synchronous then function drains the queue and writes all messages to flash. + * If writing to flash is asynchronous then function starts single write operation. In asynchronous mode + * function is called when new message is put into the queue from from flash operation callback. + * + * Function detects the situation that flash module reports attempt to write outside dedicated area. + * In that case flash backend stops writing any new messages. + * + * @param p_queue Queue will log messages + * @param fstorage_blocking If true it indicates that flash operations are blocking, event handler is not used. + */ +static void log_msg_queue_process(nrf_queue_t const * p_queue, bool fstorage_blocking) +{ + nrf_log_entry_t * p_msg; + bool busy = false; + while (nrf_queue_pop(p_queue, &p_msg) == NRF_SUCCESS) + { + ret_code_t err_code; + + m_curr_len = sizeof(m_flash_buf); + if (!msg_to_buf(p_msg, (uint8_t *)m_flash_buf, &m_curr_len)) + { + continue; + } + + err_code = nrf_fstorage_write(&m_log_flash_fstorage, m_curr_addr, m_flash_buf, m_curr_len, p_msg); + + if (err_code == NRF_SUCCESS) + { + if (fstorage_blocking) + { + m_curr_addr += m_curr_len; + + nrf_memobj_put(p_msg); + } + else + { + busy = true; + break; + } + } + else if (!fstorage_blocking && (err_code == NRF_ERROR_NO_MEM)) + { + // fstorage queue got full. Drop entry. + nrf_memobj_put(p_msg); + m_dropped++; + break; + } + else if (err_code == NRF_ERROR_INVALID_ADDR) + { + // Trying to write outside the area, flash log is full. Skip any new writes. + nrf_memobj_put(p_msg); + m_state = LOG_BACKEND_FLASH_INACTIVE; + } + else + { + ASSERT(false); + } + } + + if (!busy) + { + UNUSED_RETURN_VALUE(nrf_atomic_flag_clear(&m_busy_flag)); + } +} + +static void queue_element_drop(nrf_queue_t const * p_queue) +{ + nrf_log_entry_t * p_msg; + if (nrf_queue_pop(p_queue, &p_msg) == NRF_SUCCESS) + { + m_dropped++; + nrf_memobj_put(p_msg); + } +} + +static void fstorage_evt_handler(nrf_fstorage_evt_t * p_evt) +{ + if (m_state == LOG_BACKEND_FLASH_ACTIVE) + { + switch (p_evt->id) + { + case NRF_FSTORAGE_EVT_WRITE_RESULT: + { + if (p_evt->result == NRF_SUCCESS) + { + m_curr_addr += m_curr_len; + m_curr_len = 0; + log_msg_queue_process(mp_flashlog_queue, false); + } + else + { + m_dropped++; + } + + if (p_evt->p_param) + { + nrf_memobj_put((nrf_log_entry_t *)p_evt->p_param); + } + break; + } + default: + break; + } + } + else if ((m_state == LOG_BACKEND_FLASH_INACTIVE) && + (p_evt->id == NRF_FSTORAGE_EVT_ERASE_RESULT) && + (p_evt->addr == RUNTIME_START_ADDR)) + { + m_state = LOG_BACKEND_FLASH_ACTIVE; + } +} + +/** + * @brief Function for enqueueing new message. + * + * If queue is full then the oldest message is freed. + * + * @param p_queue Queue. + * @param p_msg Message. + * + * @return Number of dropped messages + */ +static uint32_t message_enqueue(nrf_queue_t const * p_queue, nrf_log_entry_t * p_msg) +{ + uint32_t dropped = 0; + + //flag was set, busy so enqueue message + while (nrf_queue_push(p_queue, &p_msg) != NRF_SUCCESS) + { + + nrf_log_entry_t * p_old_msg; + if (nrf_queue_pop(p_queue, &p_old_msg) == NRF_SUCCESS) + { + nrf_memobj_put(p_old_msg); + dropped++; + } + } + + return dropped; +} + + +void nrf_log_backend_flashlog_put(nrf_log_backend_t const * p_backend, + nrf_log_entry_t * p_msg) +{ + if (m_state == LOG_BACKEND_FLASH_ACTIVE) + { + nrf_memobj_get(p_msg); + + m_dropped += message_enqueue(mp_flashlog_queue, p_msg); + + if (nrf_atomic_flag_set_fetch(&m_busy_flag) == 0) + { + log_msg_queue_process(mp_flashlog_queue, false); + } + } +} + + +void nrf_log_backend_crashlog_put(nrf_log_backend_t const * p_backend, + nrf_log_entry_t * p_msg) +{ + if (m_state != LOG_BACKEND_FLASH_INACTIVE) + { + nrf_memobj_get(p_msg); + + UNUSED_RETURN_VALUE(message_enqueue(mp_crashlog_queue, p_msg)); + } + + if (m_state == LOG_BACKEND_FLASH_IN_PANIC) + { + log_msg_queue_process(mp_crashlog_queue, true); + } +} + +void nrf_log_backend_flashlog_flush(nrf_log_backend_t const * p_backend) +{ + queue_element_drop(mp_flashlog_queue); +} + +void nrf_log_backend_crashlog_flush(nrf_log_backend_t const * p_backend) +{ + queue_element_drop(mp_crashlog_queue); +} + +void nrf_log_backend_flashlog_panic_set(nrf_log_backend_t const * p_backend) +{ + /* Empty */ +} + +/** + * @brief Function for injecting log message which will indicate start of crash log. + */ +static void crashlog_marker_inject(void) +{ + nrf_log_header_t crashlog_marker_hdr = { + .base = { + .std = { + .type = HEADER_TYPE_STD, + .severity = NRF_LOG_SEVERITY_INFO_RAW, + .nargs = 0, + .addr = (uint32_t)crashlog_str & STD_ADDR_MASK + } + }, + .module_id = 0, + .timestamp = 0, + }; + m_flash_buf[0] = crashlog_marker_hdr.base.raw; + m_flash_buf[1] = crashlog_marker_hdr.module_id; + m_flash_buf[2] = crashlog_marker_hdr.timestamp; + (void)nrf_fstorage_write(&m_log_flash_fstorage, m_curr_addr, m_flash_buf, LOG_HEADER_LEN, NULL); + m_curr_addr += LOG_HEADER_LEN; +} + + +void nrf_log_backend_crashlog_panic_set(nrf_log_backend_t const * p_backend) +{ + if (nrf_fstorage_init(&m_log_flash_fstorage, &nrf_fstorage_nvmc, NULL) == NRF_SUCCESS) + { + m_state = LOG_BACKEND_FLASH_IN_PANIC; + + /* In case of Softdevice MWU may protect access to NVMC. */ + NVIC_DisableIRQ(MWU_IRQn); + + log_msg_queue_process(mp_flashlog_queue, true); + + crashlog_marker_inject(); + + log_msg_queue_process(mp_crashlog_queue, true); + } + else + { + m_state = LOG_BACKEND_FLASH_INACTIVE; + } +} + +/** + * @brief Function for determining first empty location in area dedicated for flash logger backend. + */ +static uint32_t empty_addr_get(void) +{ + uint32_t token = 0; + nrf_log_header_t * p_dummy_header; + uint8_t * p_dummy_data; + + while(nrf_log_backend_flash_next_entry_get(&token, &p_dummy_header, &p_dummy_data) == NRF_SUCCESS) + { + + } + + return token; +} + + +ret_code_t nrf_log_backend_flash_init(nrf_fstorage_api_t const * p_fs_api) +{ + ret_code_t err_code; + + + uint32_t start_addr = RUNTIME_START_ADDR; + uint32_t end_addr = start_addr + FLASH_LOG_SIZE - 1; + + m_log_flash_fstorage.start_addr = start_addr; + m_log_flash_fstorage.end_addr = end_addr; + + err_code = nrf_fstorage_init(&m_log_flash_fstorage, p_fs_api, NULL); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + m_curr_addr = empty_addr_get(); + m_state = LOG_BACKEND_FLASH_ACTIVE; + + return err_code; +} + + +ret_code_t nrf_log_backend_flash_next_entry_get(uint32_t * p_token, + nrf_log_header_t * * pp_header, + uint8_t * * pp_data) +{ + uint32_t * p_addr = p_token; + uint32_t len; + + *p_addr = (*p_addr == 0) ? RUNTIME_START_ADDR : *p_addr; + + if (nrf_fstorage_rmap(&m_log_flash_fstorage, *p_addr) == NULL) + { + //Supports only memories which can be mapped for reading. + return NRF_ERROR_NOT_SUPPORTED; + } + + if (msg_from_buf((uint32_t *)*p_addr, pp_header, pp_data, &len)) + { + *p_addr += len; + return NRF_SUCCESS; + } + else + { + return NRF_ERROR_NOT_FOUND; + } +} + + +ret_code_t nrf_log_backend_flash_erase(void) +{ + ret_code_t err_code; + + m_state = LOG_BACKEND_FLASH_INACTIVE; + err_code = nrf_fstorage_erase(&m_log_flash_fstorage, RUNTIME_START_ADDR, NRF_LOG_BACKEND_PAGES, NULL); + + m_curr_addr = RUNTIME_START_ADDR; + + return err_code; +} + +#if NRF_LOG_BACKEND_FLASHLOG_ENABLED +const nrf_log_backend_api_t nrf_log_backend_flashlog_api = { + .put = nrf_log_backend_flashlog_put, + .flush = nrf_log_backend_flashlog_flush, + .panic_set = nrf_log_backend_flashlog_panic_set, +}; +#endif + +#if NRF_LOG_BACKEND_CRASHLOG_ENABLED +const nrf_log_backend_api_t nrf_log_backend_crashlog_api = { + .put = nrf_log_backend_crashlog_put, + .flush = nrf_log_backend_crashlog_flush, + .panic_set = nrf_log_backend_crashlog_panic_set, +}; +#endif + +#if NRF_LOG_BACKEND_FLASH_CLI_CMDS +#include "nrf_cli.h" + +static uint8_t m_buffer[64]; +static nrf_cli_t const * mp_cli; + +static void cli_tx(void const * p_context, char const * p_buffer, size_t len); + +static nrf_fprintf_ctx_t m_fprintf_ctx = +{ + .p_io_buffer = (char *)m_buffer, + .io_buffer_size = sizeof(m_buffer)-1, + .io_buffer_cnt = 0, + .auto_flush = true, + .p_user_ctx = &mp_cli, + .fwrite = cli_tx +}; + + +static void flashlog_clear_cmd(nrf_cli_t const * p_cli, size_t argc, char ** argv) +{ + if (nrf_cli_help_requested(p_cli)) + { + nrf_cli_help_print(p_cli, NULL, 0); + } + + UNUSED_RETURN_VALUE(nrf_log_backend_flash_erase()); +} + +#include "nrf_delay.h" +static void cli_tx(void const * p_context, char const * p_buffer, size_t len) +{ + nrf_cli_t * * pp_cli = (nrf_cli_t * *)p_context; + char * p_strbuf = (char *)&p_buffer[len]; + *p_strbuf = '\0'; + nrf_cli_fprintf((nrf_cli_t const *)*pp_cli, NRF_CLI_DEFAULT, p_buffer); + // nrf_delay_ms(10); +} + + +static void entry_process(nrf_cli_t const * p_cli, nrf_log_header_t * p_header, uint8_t * p_data) +{ + mp_cli = p_cli; + + nrf_log_str_formatter_entry_params_t params = + { + .timestamp = p_header->timestamp, + .module_id = p_header->module_id, + .use_colors = 0, + }; + + switch (p_header->base.generic.type) + { + case HEADER_TYPE_STD: + { + params.severity = (nrf_log_severity_t)p_header->base.std.severity; + nrf_log_std_entry_process((const char *)((uint32_t)p_header->base.std.addr), + (uint32_t *)p_data, + p_header->base.std.nargs, + ¶ms, + &m_fprintf_ctx); + break; + } + case HEADER_TYPE_HEXDUMP: + { + params.severity = (nrf_log_severity_t)p_header->base.hexdump.severity; + + nrf_log_hexdump_entry_process(p_data, + p_header->base.hexdump.len, + ¶ms, + &m_fprintf_ctx); + break; + } + default: + ASSERT(0); + } + +} + + +static void flashlog_read_cmd(nrf_cli_t const * p_cli, size_t argc, char ** argv) +{ + if (nrf_cli_help_requested(p_cli)) + { + nrf_cli_help_print(p_cli, NULL, 0); + } + + uint32_t token = 0; + uint8_t * p_data = NULL; + bool empty = true; + nrf_log_header_t * p_header; + + while (1) + { + if (nrf_log_backend_flash_next_entry_get(&token, &p_header, &p_data) == NRF_SUCCESS) + { + entry_process(p_cli, p_header, p_data); + empty = false; + } + else + { + break; + } + } + + if (empty) + { + nrf_cli_fprintf(p_cli, NRF_CLI_ERROR, "Flash log empty\r\n"); + } +} + + +static void flashlog_status_cmd(nrf_cli_t const * p_cli, size_t argc, char ** argv) +{ + if (nrf_cli_help_requested(p_cli)) + { + nrf_cli_help_print(p_cli, NULL, 0); + } + + nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "Flash log status:\r\n"); + nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "\t\t- Location (address: 0x%08X, length: %d)\r\n", + RUNTIME_START_ADDR, FLASH_LOG_SIZE); + nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "\t\t- Current usage:%d%% (%d of %d bytes used)\r\n", + 100ul * (m_curr_addr - RUNTIME_START_ADDR)/FLASH_LOG_SIZE, + m_curr_addr - RUNTIME_START_ADDR, + FLASH_LOG_SIZE); + nrf_cli_fprintf(p_cli, NRF_CLI_NORMAL, "\t\t- Dropped logs: %d\r\n", m_dropped); + + +} + + +NRF_CLI_CREATE_STATIC_SUBCMD_SET(m_flashlog_cmd) +{ + NRF_CLI_CMD(clear, NULL, "Remove logs", flashlog_clear_cmd), + NRF_CLI_CMD(read, NULL, "Read stored logs", flashlog_read_cmd), + NRF_CLI_CMD(status, NULL, "Flash log status", flashlog_status_cmd), + NRF_CLI_SUBCMD_SET_END +}; + +NRF_CLI_CMD_REGISTER(flashlog, &m_flashlog_cmd, "Commands for reading logs stored in non-volatile memory", NULL); + +#endif //NRF_LOG_BACKEND_FLASH_CLI_CMDS + +#endif //NRF_MODULE_ENABLED(NRF_LOG) && NRF_MODULE_ENABLED(NRF_LOG_BACKEND_FLASH) |