2m Flash - Use Fmuv3 Firmware -

static flash_status_t flash_status;

return flash_status.free_bytes / bytes_per_second; } 2m flash - use fmuv3 firmware

// CLI command handler void adaptive_blackbox_cli(char *cmdline) { char *arg = strtok(cmdline, " "); static flash_status_t flash_status; return flash_status

// Configuration structure typedef struct adaptive_bb_s { uint8_t resolution; // 0=low, 1=normal, 2=high uint8_t auto_erase; // auto-erase oldest logs uint8_t priority_mode; // 0=quality, 1=duration uint16_t max_log_seconds; uint8_t dynamic_rate; // adjust rate based on flash remaining } adaptive_bb_t; static flash_status_t flash_status

// Estimate recording time flash_status.estimated_log_seconds = estimate_remaining_time(); }

// Dynamic rate adjustment based on remaining space static uint8_t calculate_dynamic_rate(void) { if(!adaptive_bb_config.dynamic_rate) return 1;

// Check if flash is 2MB (typical FMUV3 boards) if(flash_status.total_bytes == 2 * 1024 * 1024) { // Configure for 2M flash blackboxConfig()->rate_num = 1; blackboxConfig()->rate_denom = 1; // Auto-admit settings if(flash_status.percent_used > 90) { smart_erase_oldest(); } // Set max log size uint16_t max_seconds = adaptive_bb_config.max_log_seconds; if(max_seconds > 0) { uint32_t max_bytes = max_seconds * 2000; // 2KB/sec estimate if(max_bytes < flash_status.free_bytes) { blackboxConfig()->max_log_size_kb = max_bytes / 1024; } } // Apply dynamic rate uint8_t dyn_rate = calculate_dynamic_rate(); if(dyn_rate == 0) { blackboxConfig()->rate_num = 1; blackboxConfig()->rate_denom = 2; // 500Hz } else if(dyn_rate == 1) { blackboxConfig()->rate_num = 1; blackboxConfig()->rate_denom = 1; // 1kHz } else { blackboxConfig()->rate_num = 2; blackboxConfig()->rate_denom = 1; // 2kHz } }