// This function starts a new log file in the DataFlash void DataFlash_Block::start_new_log(void) { uint16_t last_page = find_last_page(); StartRead(last_page); //Serial.print("last page: "); Serial.println(last_page); //Serial.print("file #: "); Serial.println(GetFileNumber()); //Serial.print("file page: "); Serial.println(GetFilePage()); if(find_last_log() == 0 || GetFileNumber() == 0xFFFF) { SetFileNumber(1); StartWrite(1); //Serial.println("start log from 0"); return; } // Check for log of length 1 page and suppress if(GetFilePage() <= 1) { SetFileNumber(GetFileNumber()); // Last log too short, reuse its number StartWrite(last_page); // and overwrite it //Serial.println("start log from short"); } else { if(last_page == 0xFFFF) last_page=0; SetFileNumber(GetFileNumber()+1); StartWrite(last_page + 1); //Serial.println("start log normal"); } }
// This function starts a new log file in the DataFlash uint16_t DataFlash_Block::start_new_log(void) { uint16_t last_page = find_last_page(); StartRead(last_page); //Serial.print("last page: "); Serial.println(last_page); //Serial.print("file #: "); Serial.println(GetFileNumber()); //Serial.print("file page: "); Serial.println(GetFilePage()); if(find_last_log() == 0 || GetFileNumber() == 0xFFFF) { SetFileNumber(1); StartWrite(1); //Serial.println("start log from 0"); log_write_started = true; return 1; } uint16_t new_log_num; // Check for log of length 1 page and suppress if(GetFilePage() <= 1) { new_log_num = GetFileNumber(); // Last log too short, reuse its number // and overwrite it SetFileNumber(new_log_num); StartWrite(last_page); } else { new_log_num = GetFileNumber()+1; if (last_page == 0xFFFF) { last_page=0; } SetFileNumber(new_log_num); StartWrite(last_page + 1); } log_write_started = true; return new_log_num; }