C++ (Cpp) find_by_header Beispiele

Beispiel #1

Datei: AP_Param.cpp Projekt: CptMacHammer/au_uav_pkg

// Load all variables from EEPROM
//
bool AP_Param::load_all(void)
{
    struct Param_header phdr;
    uint16_t ofs = sizeof(AP_Param::EEPROM_header);

    while (ofs < _eeprom_size) {
        hal.storage->read_block(&phdr, ofs, sizeof(phdr));
        // note that this is an || not an && for robustness
        // against power off while adding a variable
        if (phdr.type == _sentinal_type ||
            phdr.key == _sentinal_key ||
            phdr.group_element == _sentinal_group) {
            // we've reached the sentinal
            return true;
        }

        const struct AP_Param::Info *info;
        void *ptr;

        info = find_by_header(phdr, &ptr);
        if (info != NULL) {
            hal.storage->read_block(ptr, ofs+sizeof(phdr), type_size((enum ap_var_type)phdr.type));
        }

        ofs += type_size((enum ap_var_type)phdr.type) + sizeof(phdr);
    }

    // we didn't find the sentinal
    serialDebug("no sentinal in load_all");
    return false;
}

Beispiel #2

Datei: AP_Param.cpp Projekt: rioth/ardupilot-1

// Load all variables from EEPROM
//
bool AP_Param::load_all(void)
{
    struct Param_header phdr;
    uint16_t ofs = sizeof(AP_Param::EEPROM_header);

    /*
      if the HAL specifies a defaults parameter file then override
      defaults using that file
     */
#ifdef HAL_PARAM_DEFAULTS_PATH
    load_defaults_file(HAL_PARAM_DEFAULTS_PATH);
#endif

    while (ofs < _storage.size()) {
        _storage.read_block(&phdr, ofs, sizeof(phdr));
        // note that this is an || not an && for robustness
        // against power off while adding a variable
        if (phdr.type == _sentinal_type ||
            phdr.key == _sentinal_key ||
            phdr.group_element == _sentinal_group) {
            // we've reached the sentinal
            return true;
        }

        const struct AP_Param::Info *info;
        void *ptr;

        info = find_by_header(phdr, &ptr);
        if (info != NULL) {
            _storage.read_block(ptr, ofs+sizeof(phdr), type_size((enum ap_var_type)phdr.type));
        }

        ofs += type_size((enum ap_var_type)phdr.type) + sizeof(phdr);
    }

    // we didn't find the sentinal
    Debug("no sentinal in load_all");
    return false;
}