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982ada9787559634b03d394a951cdec8f41da3f4
SC-F001/main/storage.c
Thaddeus Hughes 982ada9787 Refining logging
2026-01-13 18:35:31 -06:00

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#include <math.h>
#include <string.h>
#include <sys/param.h>
#include "esp_partition.h"
#include "esp_err.h"
#include "esp_log.h"
#include "esp_crc.h"
#include "esp_task_wdt.h"
#include "storage.h"
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "version.h"
#define TAG "STORAGE"
// Add these includes at the top
#include "freertos/queue.h"
#include "freertos/task.h"
// Add these defines near the top
#define LOG_QUEUE_SIZE 8 // Number of log entries that can be queued
#define LOG_TASK_STACK_SIZE 4096
#define LOG_TASK_PRIORITY 5
// Add these static variables after the existing log variables (around line 100)
static QueueHandle_t log_queue = NULL;
static TaskHandle_t log_task_handle = NULL;
static bool log_task_running = false;
// Log queue entry structure
typedef struct {
uint8_t data[LOG_MAX_PAYLOAD + 1]; // +1 for length byte
uint8_t len;
} log_queue_entry_t;
// ============================================================================
// LOG TYPE DEFINITIONS (Magic values 0xC0-0xCF)
// ============================================================================
#define LOG_TYPE_DATA 0xC0 // Generic data log
#define LOG_TYPE_EVENT 0xC1 // Event marker
#define LOG_TYPE_ERROR 0xC2 // Error log
#define LOG_TYPE_DEBUG 0xC3 // Debug message
#define LOG_TYPE_SENSOR 0xC4 // Sensor reading
#define LOG_TYPE_COMMAND 0xC5 // Command executed
#define LOG_TYPE_STATUS 0xC6 // Status update
#define LOG_TYPE_CUSTOM 0xCF // Custom/user-defined
// Helper macro to check if a byte is a valid log type
#define IS_VALID_LOG_TYPE(x) ((x) >= 0xC0 && (x) <= 0xCF)
// Maximum payload size per log entry (255 max due to 1-byte size field)
#define LOG_MAX_PAYLOAD 255
// ============================================================================
// PARAMETER TABLE GENERATION
// ============================================================================
// Helper macros to construct initializers
#define PARAM_VALUE_INIT(type, val) {.type = val}
#define PARAM_TYPE_ENUM(type) PARAM_TYPE_##type
#define PARAM_NAME_STR(name) #name
// Generate parameter table with live values (initialized to defaults)
#define PARAM_DEF(name, type, default_val, unit) PARAM_VALUE_INIT(type, default_val),
param_value_t parameter_table[NUM_PARAMS] = {
PARAM_LIST
};
#undef PARAM_DEF
// Generate default values array
#define PARAM_DEF(name, type, default_val, unit) PARAM_VALUE_INIT(type, default_val),
const param_value_t parameter_defaults[NUM_PARAMS] = {
PARAM_LIST
};
#undef PARAM_DEF
// Generate parameter types array
#define PARAM_DEF(name, type, default_val, unit) PARAM_TYPE_ENUM(type),
const param_type_e parameter_types[NUM_PARAMS] = {
PARAM_LIST
};
#undef PARAM_DEF
// Generate parameter names array
#define PARAM_DEF(name, type, default_val, unit) PARAM_NAME_STR(name),
const char* parameter_names[NUM_PARAMS] = {
PARAM_LIST
};
#undef PARAM_DEF
// Generate parameter units array (8 chars max per unit)
#define PARAM_DEF(name, type, default_val, unit) unit,
const char parameter_units[NUM_PARAMS][8] = {
PARAM_LIST
};
#undef PARAM_DEF
size_t param_type_size(param_type_e x) {
switch(x) {
case PARAM_TYPE_u16: return 2;
case PARAM_TYPE_i16: return 2;
case PARAM_TYPE_u32: return 4;
case PARAM_TYPE_i32: return 4;
case PARAM_TYPE_f32: return 4;
case PARAM_TYPE_f64: return 8;
case PARAM_TYPE_str: return PARAM_STR_SIZE;
}
return -1;
}
// Partition pointer
static const esp_partition_t *storage_partition = NULL;
// Log head/tail tracking with mutex protection
// These now track byte offsets within the log area, not entry indices
RTC_DATA_ATTR static uint32_t log_head_offset = 0;
RTC_DATA_ATTR static uint32_t log_tail_offset = 0;
RTC_DATA_ATTR static bool log_initialized = false;
static SemaphoreHandle_t log_mutex = NULL;
uint32_t log_get_head(void) {
uint32_t head;
if (log_mutex) xSemaphoreTake(log_mutex, portMAX_DELAY);
head = log_head_offset;
if (log_mutex) xSemaphoreGive(log_mutex);
return head;
}
uint32_t log_get_tail(void) {
uint32_t tail;
if (log_mutex) xSemaphoreTake(log_mutex, portMAX_DELAY);
tail = log_tail_offset;
if (log_mutex) xSemaphoreGive(log_mutex);
return tail;
}
uint32_t log_get_offset(void) {
return LOG_START_OFFSET;
}
// ============================================================================
// PARAMETER FUNCTIONS
// ============================================================================
param_value_t get_param_value_t(param_idx_t id) {
if (id >= NUM_PARAMS) {
ESP_LOGE(TAG, "Invalid parameter ID: %d", id);
param_value_t err = {0};
return err;
}
return parameter_table[id];
}
esp_err_t set_param_value_t(param_idx_t id, param_value_t val) {
if (id >= NUM_PARAMS) {
ESP_LOGE(TAG, "Invalid parameter ID: %d", id);
return ESP_ERR_INVALID_ARG;
}
parameter_table[id] = val;
ESP_LOGI(TAG, "Parameter %d (%s) set (not committed)", id, parameter_names[id]);
return ESP_OK;
}
esp_err_t set_param_string(param_idx_t id, const char* str) {
if (id >= NUM_PARAMS) {
ESP_LOGE(TAG, "Invalid parameter ID: %d", id);
return ESP_ERR_INVALID_ARG;
}
if (parameter_types[id] != PARAM_TYPE_str) {
ESP_LOGE(TAG, "Parameter %d (%s) is not a string type", id, parameter_names[id]);
return ESP_ERR_INVALID_ARG;
}
if (str == NULL) {
parameter_table[id].str[0] = '\0';
} else {
strncpy(parameter_table[id].str, str, 15);
parameter_table[id].str[15] = '\0'; // Ensure null termination
}
ESP_LOGI(TAG, "String parameter %d (%s) set to '%s' (not committed)",
id, parameter_names[id], parameter_table[id].str);
return ESP_OK;
}
char* get_param_string(param_idx_t id) {
if (id >= NUM_PARAMS) {
ESP_LOGE(TAG, "Invalid parameter ID: %d", id);
return "";
}
if (parameter_types[id] != PARAM_TYPE_str) {
ESP_LOGE(TAG, "Parameter %d (%s) is not a string type", id, parameter_names[id]);
return "";
}
return parameter_table[id].str;
}
param_type_e get_param_type(param_idx_t id) {
if (id >= NUM_PARAMS) {
return PARAM_TYPE_f64; // Default fallback
}
return parameter_types[id];
}
// ============================================================================
// JSON-FRIENDLY STRING CONVERSION
// ============================================================================
const char* get_param_json_string(param_idx_t id, char* buffer, size_t buf_size) {
if (id >= NUM_PARAMS || buffer == NULL || buf_size == 0) {
if (buffer && buf_size > 0) buffer[0] = '\0';
return "";
}
param_type_e type = parameter_types[id];
param_value_t val = parameter_table[id];
switch(type) {
case PARAM_TYPE_u16:
snprintf(buffer, buf_size, "%u", val.u16);
break;
case PARAM_TYPE_i16:
snprintf(buffer, buf_size, "%d", val.i16);
break;
case PARAM_TYPE_u32:
snprintf(buffer, buf_size, "%lu", (unsigned long)val.u32);
break;
case PARAM_TYPE_i32:
snprintf(buffer, buf_size, "%ld", (long)val.i32);
break;
case PARAM_TYPE_f32:
if (isnan(val.f32) || isinf(val.f32)) {
snprintf(buffer, buf_size, "null");
} else {
snprintf(buffer, buf_size, "%.6g", val.f32);
}
break;
case PARAM_TYPE_f64:
if (isnan(val.f64) || isinf(val.f64)) {
snprintf(buffer, buf_size, "null");
} else {
snprintf(buffer, buf_size, "%.15g", val.f64);
}
break;
case PARAM_TYPE_str:
// Escape quotes and backslashes for JSON string
snprintf(buffer, buf_size, "\"%s\"", val.str);
break;
default:
snprintf(buffer, buf_size, "null");
break;
}
return buffer;
}
const char* get_param_name(param_idx_t id) {
if (id >= NUM_PARAMS) {
return "INVALID";
}
return parameter_names[id];
}
param_value_t get_param_default(param_idx_t id) {
if (id >= NUM_PARAMS) {
param_value_t err = {0};
return err;
}
return parameter_defaults[id];
}
const char* get_param_unit(param_idx_t id) {
if (id >= NUM_PARAMS) {
return "";
}
return parameter_units[id];
}
// ============================================================================
// STORAGE HELPER: Pack parameter value into buffer
// ============================================================================
static void pack_param(uint8_t *dest, param_idx_t id) {
param_type_e type = parameter_types[id];
switch(type) {
case PARAM_TYPE_u16:
memcpy(dest, &parameter_table[id].u16, 2);
break;
case PARAM_TYPE_i16:
memcpy(dest, &parameter_table[id].i16, 2);
break;
case PARAM_TYPE_u32:
memcpy(dest, &parameter_table[id].u32, 4);
break;
case PARAM_TYPE_i32:
memcpy(dest, &parameter_table[id].i32, 4);
break;
case PARAM_TYPE_f32:
memcpy(dest, &parameter_table[id].f32, 4);
break;
case PARAM_TYPE_f64:
memcpy(dest, &parameter_table[id].f64, 8);
break;
case PARAM_TYPE_str:
memcpy(dest, parameter_table[id].str, 16);
break;
default:
memset(dest, 0, 16);
break;
}
}
// ============================================================================
// STORAGE HELPER: Unpack parameter value from buffer
// ============================================================================
static void unpack_param(const uint8_t *src, param_idx_t id) {
param_type_e type = parameter_types[id];
switch(type) {
case PARAM_TYPE_u16:
memcpy(&parameter_table[id].u16, src, 2);
break;
case PARAM_TYPE_i16:
memcpy(&parameter_table[id].i16, src, 2);
break;
case PARAM_TYPE_u32:
memcpy(&parameter_table[id].u32, src, 4);
break;
case PARAM_TYPE_i32:
memcpy(&parameter_table[id].i32, src, 4);
break;
case PARAM_TYPE_f32:
memcpy(&parameter_table[id].f32, src, 4);
break;
case PARAM_TYPE_f64:
memcpy(&parameter_table[id].f64, src, 8);
break;
case PARAM_TYPE_str:
memcpy(parameter_table[id].str, src, 16);
parameter_table[id].str[15] = '\0'; // Ensure null termination
break;
default:
break;
}
}
// ============================================================================
// COMMIT PARAMETERS TO FLASH
// ============================================================================
esp_err_t commit_params(void) {
if (storage_partition == NULL) {
ESP_LOGE(TAG, "Storage partition not initialized");
return ESP_ERR_INVALID_STATE;
}
ESP_LOGI(TAG, "Committing %d parameters to flash...", NUM_PARAMS);
// Erase parameter sectors first
esp_err_t err = esp_partition_erase_range(storage_partition, PARAMS_OFFSET,
PARAMETER_NUM_SECTORS * FLASH_SECTOR_SIZE);
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to erase parameter sectors: %s", esp_err_to_name(err));
return err;
}
// Write each parameter with CRC
uint32_t flash_offset = PARAMS_OFFSET;
for (int i = 0; i < NUM_PARAMS; i++) {
param_stored_t stored;
memset(&stored, 0, sizeof(param_stored_t));
// Pack parameter data
pack_param(stored.data, i);
// Calculate CRC over actual data size
uint8_t size = param_type_size(parameter_types[i]);
uint32_t crc_input = PARAM_CRC_SALT;
stored.crc = esp_crc32_le(crc_input, stored.data, size);
// Write to flash
err = esp_partition_write(storage_partition, flash_offset,
&stored, sizeof(param_stored_t));
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to write parameter %d (%s): %s",
i, parameter_names[i], esp_err_to_name(err));
return err;
}
flash_offset += sizeof(param_stored_t);
}
ESP_LOGI(TAG, "Successfully committed all parameters to flash");
return ESP_OK;
}
// ============================================================================
// FACTORY RESET
// ============================================================================
esp_err_t factory_reset(void) {
ESP_LOGI(TAG, "Performing factory reset...");
// Reset all parameters to defaults
for (int i = 0; i < NUM_PARAMS; i++) {
memcpy(&parameter_table[i], &parameter_defaults[i], sizeof(param_value_t));
}
// TODO: WIPE ENTIRE PARTITION
// Commit defaults to flash
esp_err_t err = commit_params();
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to commit defaults during factory reset");
return err;
}
ESP_LOGI(TAG, "Factory reset complete");
return ESP_OK;
}
// ============================================================================
// STORAGE INITIALIZATION
// ============================================================================
esp_err_t storage_init(void) {
ESP_LOGI(TAG, "Initializing storage system...");
log_mutex = xSemaphoreCreateMutex();
if (log_mutex == NULL) {
ESP_LOGE(TAG, "Failed to create log mutex");
return ESP_ERR_NO_MEM;
}
if (log_mutex) xSemaphoreTake(log_mutex, portMAX_DELAY);
storage_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA,
ESP_PARTITION_SUBTYPE_ANY,
"storage");
if (storage_partition == NULL) {
ESP_LOGE(TAG, "Storage partition not found");
if (log_mutex) xSemaphoreGive(log_mutex);
return ESP_ERR_NOT_FOUND;
}
ESP_LOGI(TAG, "Storage partition found: size=%lu bytes",
(unsigned long)storage_partition->size);
// Load parameters from flash
uint32_t flash_offset = PARAMS_OFFSET;
//bool all_valid = true;
for (int i = 0; i < NUM_PARAMS; i++) {
param_stored_t stored;
esp_err_t err = esp_partition_read(storage_partition, flash_offset,
&stored, sizeof(param_stored_t));
if (err != ESP_OK) {
ESP_LOGW(TAG, "Failed to read parameter %d (%s), using default",
i, parameter_names[i]);
memcpy(&parameter_table[i], &parameter_defaults[i], sizeof(param_value_t));
//all_valid = false;
flash_offset += sizeof(param_stored_t);
continue;
}
// Validate CRC over actual data size
uint8_t size = param_type_size(parameter_types[i]);
uint32_t crc_input = PARAM_CRC_SALT;
uint32_t calculated_crc = esp_crc32_le(crc_input, stored.data, size);
if (calculated_crc == stored.crc) {
unpack_param(stored.data, i);
} else {
ESP_LOGW(TAG, "Parameter %d (%s) failed CRC check, using default",
i, parameter_names[i]);
memcpy(&parameter_table[i], &parameter_defaults[i], sizeof(param_value_t));
//all_valid = false;
}
flash_offset += sizeof(param_stored_t);
}
/*if (all_valid) {
ESP_LOGI(TAG, "All parameters loaded successfully from flash");
} else {
ESP_LOGW(TAG, "Some parameters failed validation, using defaults");
}*/
if (log_mutex) xSemaphoreGive(log_mutex);
return ESP_OK;
}
static inline uint32_t log_sector_end(uint32_t x) {
return (x/FLASH_SECTOR_SIZE+1)*FLASH_SECTOR_SIZE;
}
// Helper function to check if a sector is erased (all 0xFF)
static bool is_sector_erased(uint32_t sector_offset) {
uint8_t buf[256];
esp_err_t err = esp_partition_read(storage_partition, sector_offset, buf, 256);
if (err != ESP_OK) return false;
for (int i = 0; i < 256; i++) {
if (buf[i] != 0xFF) return false;
}
return true;
}
// Helper function to check if a sector has data (contains non-0xFF, non-0x00 bytes)
static bool sector_has_data(uint32_t sector_offset) {
uint8_t buf[256];
esp_err_t err = esp_partition_read(storage_partition, sector_offset, buf, 256);
if (err != ESP_OK) return false;
for (int i = 0; i < 256; i++) {
if (buf[i] != 0xFF && buf[i] != 0x00) return true;
}
return false;
}
// Replace log_write with this non-blocking version:
esp_err_t log_write(uint8_t* buf, uint8_t len) {
if (!log_initialized || storage_partition == NULL) {
ESP_LOGE(TAG, "Logging not initialized");
return ESP_FAIL;
}
if (len > LOG_MAX_PAYLOAD) {
ESP_LOGE(TAG, "Log payload too large: %d bytes (max %d)", len, LOG_MAX_PAYLOAD);
return ESP_ERR_INVALID_SIZE;
}
if (log_queue == NULL) {
ESP_LOGE(TAG, "Log queue not initialized");
return ESP_FAIL;
}
// Create queue entry
log_queue_entry_t entry;
entry.len = len;
memcpy(entry.data, buf, len);
// Try to send to queue (non-blocking)
if (xQueueSend(log_queue, &entry, 0) != pdTRUE) {
ESP_LOGW(TAG, "Log queue full, dropping entry");
return ESP_ERR_NO_MEM;
}
return ESP_OK;
}
// The actual blocking write function (called by the task)
static esp_err_t log_write_blocking(uint8_t* buf, uint8_t len) {
if (!log_initialized || storage_partition == NULL) {
ESP_LOGE(TAG, "Logging not initialized");
return ESP_FAIL;
}
if (len > LOG_MAX_PAYLOAD) {
ESP_LOGE(TAG, "Log payload too large: %d bytes (max %d)", len, LOG_MAX_PAYLOAD);
return ESP_ERR_INVALID_SIZE;
}
if (log_mutex) xSemaphoreTake(log_mutex, portMAX_DELAY);
// check if we will overrun the sector
if (log_head_offset + len+1 >= log_sector_end(log_head_offset)) {
ESP_LOGI(TAG, "WILL OVERRUN (%ld >= %ld)", (long)log_head_offset + len+1, (long)log_sector_end(log_head_offset));
// zero the rest of sector
char zeros[256] = {0};
esp_partition_write(storage_partition,
log_head_offset, &zeros,
log_sector_end(log_head_offset)-log_head_offset);
// set head to next sector, and check for wrap
log_head_offset = log_sector_end(log_head_offset);
if (log_head_offset >= storage_partition->size)
log_head_offset = LOG_START_OFFSET;
// Next write will be in a new sector - check if it needs erasing
uint8_t check_byte;
esp_err_t err = esp_partition_read(storage_partition, log_head_offset,
&check_byte, 1);
// Erase the next sector
if (err == ESP_OK && check_byte != 0xFF) {
ESP_LOGI(TAG, "Erasing sector %lu for log", (unsigned long)log_head_offset);
err = esp_partition_erase_range(storage_partition,
log_head_offset,
FLASH_SECTOR_SIZE);
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to erase sector: %s", esp_err_to_name(err));
if (log_mutex) xSemaphoreGive(log_mutex);
return ESP_FAIL;
}
}
// update the tail, if needed
if (log_tail_offset >= log_head_offset + FLASH_SECTOR_SIZE) log_tail_offset = log_head_offset + FLASH_SECTOR_SIZE;
if (log_tail_offset >= storage_partition->size)
log_tail_offset = LOG_START_OFFSET;
ESP_LOGI(TAG, "Tail/Head are now %lu/%lu",
(unsigned long)log_tail_offset, (unsigned long)log_head_offset);
}
esp_partition_write(storage_partition, log_head_offset, &len, 1);
esp_partition_write(storage_partition, log_head_offset+1, buf, len);
log_head_offset+=len+1;
ESP_LOGI(TAG, "Wrote; Tail/Head are now %lu/%lu",
(unsigned long)log_tail_offset, (unsigned long)log_head_offset);
if (log_mutex) xSemaphoreGive(log_mutex);
return ESP_OK;
}
// Log writer task
static void log_writer_task(void *pvParameters) {
log_queue_entry_t entry;
ESP_LOGI(TAG, "Log writer task started");
while (log_task_running) {
// Wait for log entry (with timeout to check running flag)
if (xQueueReceive(log_queue, &entry, pdMS_TO_TICKS(100)) == pdTRUE) {
// Write the log entry (blocking)
esp_err_t err = log_write_blocking(entry.data, entry.len);
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to write log entry: %s", esp_err_to_name(err));
}
}
// Feed watchdog
esp_task_wdt_reset();
}
ESP_LOGI(TAG, "Log writer task stopping");
vTaskDelete(NULL);
}
// Modified log_init to create queue and task
esp_err_t log_init() {
if (storage_partition == NULL) {
ESP_LOGE(TAG, "Storage partition not initialized, call storage_init() first");
return ESP_ERR_INVALID_STATE;
}
if (log_mutex) xSemaphoreTake(log_mutex, portMAX_DELAY);
uint32_t log_area_size = storage_partition->size - LOG_START_OFFSET;
uint32_t num_sectors = log_area_size / FLASH_SECTOR_SIZE;
ESP_LOGI(TAG, "Log init: scanning %lu sectors with bisection", (unsigned long)num_sectors);
// Default to empty log
log_head_offset = LOG_START_OFFSET;
log_tail_offset = LOG_START_OFFSET;
// ... [INCLUDE THE BISECTION ALGORITHM FROM EARLIER HERE] ...
// Binary search to find the first erased sector
int32_t left = 0;
int32_t right = num_sectors - 1;
int32_t head_sector = -1;
while (left <= right) {
int32_t mid = left + (right - left) / 2;
uint32_t sector_offset = LOG_START_OFFSET + mid * FLASH_SECTOR_SIZE;
esp_task_wdt_reset();
bool erased = is_sector_erased(sector_offset);
bool prev_has_data = (mid > 0) ? sector_has_data(LOG_START_OFFSET + (mid-1) * FLASH_SECTOR_SIZE) : false;
if (erased && (mid == 0 || prev_has_data)) {
head_sector = mid;
break;
} else if (erased) {
right = mid - 1;
} else {
left = mid + 1;
}
}
if (head_sector == -1) {
if (is_sector_erased(LOG_START_OFFSET)) {
ESP_LOGI(TAG, "Log is empty");
log_head_offset = LOG_START_OFFSET;
log_tail_offset = LOG_START_OFFSET;
} else {
head_sector = 0;
ESP_LOGW(TAG, "Log appears full, searching from start");
}
}
// Walk the data structure to find exact head
uint32_t cursor;
if (head_sector > 0) {
cursor = LOG_START_OFFSET + (head_sector - 1) * FLASH_SECTOR_SIZE;
} else {
cursor = LOG_START_OFFSET;
}
uint32_t head_sector_start = LOG_START_OFFSET + head_sector * FLASH_SECTOR_SIZE;
bool found_head = false;
while (cursor < head_sector_start + FLASH_SECTOR_SIZE && cursor < storage_partition->size) {
uint8_t buf;
esp_err_t err = esp_partition_read(storage_partition, cursor, &buf, 1);
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to read during log init at offset %lu", (unsigned long)cursor);
if (log_mutex) xSemaphoreGive(log_mutex);
return err;
}
if (buf == 0xFF) {
log_head_offset = cursor;
found_head = true;
break;
} else if (buf == 0x00) {
cursor = log_sector_end(cursor);
} else {
cursor += buf + 1;
}
esp_task_wdt_reset();
}
if (!found_head) {
log_head_offset = cursor;
}
// Find tail
int32_t tail_sector = -1;
for (int32_t i = head_sector + 1; i < num_sectors; i++) {
uint32_t sector_offset = LOG_START_OFFSET + i * FLASH_SECTOR_SIZE;
esp_task_wdt_reset();
if (sector_has_data(sector_offset)) {
tail_sector = i;
break;
}
}
if (tail_sector == -1 && head_sector > 0) {
for (int32_t i = 0; i < head_sector; i++) {
uint32_t sector_offset = LOG_START_OFFSET + i * FLASH_SECTOR_SIZE;
esp_task_wdt_reset();
if (sector_has_data(sector_offset)) {
tail_sector = i;
break;
}
}
}
if (tail_sector >= 0) {
log_tail_offset = LOG_START_OFFSET + tail_sector * FLASH_SECTOR_SIZE;
} else {
log_tail_offset = LOG_START_OFFSET;
}
log_initialized = true;
ESP_LOGI(TAG, "Log system initialized (bisection). Head: %lu, Tail: %lu",
(unsigned long)log_head_offset, (unsigned long)log_tail_offset);
// Create the log queue
log_queue = xQueueCreate(LOG_QUEUE_SIZE, sizeof(log_queue_entry_t));
if (log_queue == NULL) {
ESP_LOGE(TAG, "Failed to create log queue");
if (log_mutex) xSemaphoreGive(log_mutex);
return ESP_ERR_NO_MEM;
}
// Create the log writer task
log_task_running = true;
BaseType_t task_created = xTaskCreate(
log_writer_task,
"log_writer",
LOG_TASK_STACK_SIZE,
NULL,
LOG_TASK_PRIORITY,
&log_task_handle
);
if (task_created != pdPASS) {
ESP_LOGE(TAG, "Failed to create log writer task");
vQueueDelete(log_queue);
log_queue = NULL;
if (log_mutex) xSemaphoreGive(log_mutex);
return ESP_ERR_NO_MEM;
}
// Add the task to watchdog
esp_task_wdt_add(log_task_handle);
ESP_LOGI(TAG, "Log writer task created successfully");
if (log_mutex) xSemaphoreGive(log_mutex);
return ESP_OK;
}
// Update storage_deinit to stop the task
void storage_deinit(void) {
// Stop the log writer task
if (log_task_running) {
log_task_running = false;
// Wait a bit for task to finish
vTaskDelay(pdMS_TO_TICKS(200));
if (log_task_handle != NULL) {
esp_task_wdt_delete(log_task_handle);
log_task_handle = NULL;
}
}
// Delete the queue
if (log_queue != NULL) {
vQueueDelete(log_queue);
log_queue = NULL;
}
storage_partition = NULL;
log_initialized = false;
if (log_mutex) {
vSemaphoreDelete(log_mutex);
log_mutex = NULL;
}
}
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