2m Flash - Use Fmuv3 Firmware Guide

// Smart erase: remove oldest 25% of logs when full static void smart_erase_oldest(void) { if (!adaptive_bb_config.auto_erase) return;

// Main feature: auto-configure blackbox on boot void adaptive_blackbox_init(void) { // Get flash geometry flash_status.total_bytes = flash_getSize(); flash_status.free_bytes = flash_getFreeSpace(); flash_status.used_bytes = flash_status.total_bytes - flash_status.free_bytes; flash_status.percent_used = (flash_status.used_bytes * 100) / flash_status.total_bytes;

blackbox_log_header *log = blackbox_get_log(0); if(log) { blackbox_erase_log(log); } }

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

static adaptive_bb_t adaptive_bb_config = { .resolution = 1, .auto_erase = 1, .priority_mode = 0, .max_log_seconds = 180, // 3 minutes max by default .dynamic_rate = 1 };