Arduino错误：没有命名类型？

Question

我已经编写了一个库，但是有错误的问题没有命名类型。我已经尝试了一切，搜索了几个小时，没有运气。库位于arduino sketch文件夹的“libraries”文件夹中。请帮忙！！！我使用的是OSX，但Windows上也会出现同样的问题。

这是库的头文件：

#ifndef OpticalSensor_h
#define OpticalSensor_h

#include <Arduino.h>
#include <SD.h>
#include <Wire.h>
#include <Adafruit_MCP23017.h>
#include <Adafruit_RGBLCDShield.h>
#include <String.h>

class OpticalSensor
{
    public:
        OpticalSensor(int analogPort);
        void LCDInit(int columns, int rows);
        void SerialInit(int bitRate);
        void SDInit();
        double& ReadFromAnalogPort();
        void SDCreateFile(String fileName);
        void SDDeleteFile(String fileName);
        void SDWriteToFile(String fileName);
        void SDStreamToFile(String Text);
        void SDOpenFileToStream(String fileName);
    private:
        int _analogPort;
        bool _displayFlag;
        Adafruit_RGBLCDShield _lcd;
        File _MainRecFile;
        double _voltage;
        void _LCDClearAll();
        void _LCDWriteInTwoRows(String row1, String row2);
        void _DelayAndClearLCD(bool returnStatus);
};

#endif

这是库的.cpp文件：

#include <OpticalSensor.h>

Adafruit_RGBLCDShield _lcd;
File _MainRecFile;
double _voltage;

OpticalSensor::OpticalSensor(int analogPort)
{
    _analogPort = analogPort;
}

void OpticalSensor::LCDInit(int columns, int rows)
{

    _lcd = Adafruit_RGBLCDShield();
    _lcd.begin(columns,rows);
}

void OpticalSensor::SerialInit(int bitRate)
{
    Serial.begin(bitRate);
    _bitRate = bitRate;
    while(!Serial) {
        //wait until serial is not open
    }
}

void OpticalSensor::SDInit()
{
    // On the Ethernet Shield, CS is pin 4. It's set as an output by default.
    // Note that even if it's not used as the CS pin, the hardware SS pin
    // (10 on most Arduino boards, 53 on the Mega) must be left as an output
    // or the SD library functions will not work.
    pinMode(10, OUTPUT);

    //check if SD can be found and initialized. Print also message to
    //Serial if initialized and to _lcd if initialized.
   if(!SD.begin(4)) {
     if(Serial){
         Serial.println("Initialization failed!");
     }
     if(_lcd){
         _lcd.print("Init failed!");
     }
     _DelayAndClearLCD(true);
   }
   else {
       if(Serial) {
           Serial.println("Initialization done!");
       }
       if(_lcd) {
           lcd.print("Init done!");
       }
       _DelayAndClearLCD(false);
   }
}

void OpticalSensor::SDCreateFile(String fileName)
{
    //check if file allready exists, if not it creates one
    //and writes apropriate response to
    //lcd and Serial if they are initialized.
    if(SD.exists(fileName)) {
        if(Serial) {
            Serial.println(fileName + " already exists!");
        }
        if(_lcd) {
            _LCDWriteInTwoLines(fileName,"already exists!");
        }
        _DelayAndClearLCD(false);
    }
    else
    {
        if(Serial) {
            Serial.println(fileName + "Creating file " + fileName + "...");
        }
        if(_lcd) {
            _LCDWriteInTwoLines("Creating file", fileName);
        }
        _MainRecFile = SD.open(fileName + ".txt", FILE_WRITE);
        _MainRecFile.close();
        _DelayAndClearLCD(false);


        //check if file was created successffully and print apropriate response
        //to lcd and Serial if they are initialized
        if(SD.exists(fileName + ".txt")) {
            if(Serial) {
                Serial.println(fileName + ".txt" + " created successffully!");
            }
            if(_lcd) {
                _LCDWriteInTwoLines(fileName + ".txt", "created!");
            }
            _DelayAndClearLCD(false);
        }
        else {
            if(Serial) {
                Serial.println("error: failed to create file!");
            }
            if(_lcd) {
                _LCDWriteInTwoLines("error: failed to","create file!");
            }
            _DelayAndClearLCD(false);
        }
    }
}

//delete file from SD card
void OpticalSensor::SDDeleteFile(String fileName)
{

}

//open file, write data to it, and close file after.
void OpticalSensor::SDWriteToFile(String fileName, String Text)
{
    _MainRecFile = SD.open(fileName + ".txt", FILE_WRITE);
    _MainRecFile.println(Text);
    _MainRecFile.close();
}

//Open file to stream data to it.
void OpticalSensor::SDOpenFileToStream(String fileName)
{
    _MainRecFile = SD.open(fileName + ".txt", FILE_WRITE);
}

//Write data to file while file is open.
//Notice that you can stream data only to one file at a time!!!
//For instance, if you have two sensors that you want to
//write data to two different files, you have to use SDWriteToFile
//function!!!
void OpticalSensor::SDStreamToFile(String Text)
{
    if(_MainRecFile) {
        _MainRecFile.println(Text);
    }
}

//close file that you streamed data too.
void OpticalSensor::SDCloseStreaming(String fileName)
{
    _MainRecFile.close();
}

//clear entire LCD
void OpticalSensor::_LCDClearAll()
{
    _lcd.clear();
    _lcd.setCursor(0,0);
}

void OpticalSensor::_LCDWriteInTwoRows(String row1, String row2)
{
    //write first String in row1
    _lcd.print(row1);
    //set cursor to the beginning of row 2
    _lcd.setCursor(0,1);
    //write second String to row 2
    _lcd.print(row2);
}

void OpticalSensor::_DelayAndClearLCD(bool returnStatus)
{
    //if Serial or _lcd are initialized, delay for 2 seconds
    //and clear LCD
    if(Serial || _lcd) {
        delay(2000);
        if(_lcd)
            _LCDClearAll();
    }
    //terminate
    if(bool == true) {
        return;
    }
}

double& ReadFromAnalogPort()
{
    _voltage = analogRead(_analogPort);
    return _voltage;
}

这是包含库的.ino文件：

#include <OpticalSensor.h>

OpticalSensor sensor(0);

void setup() {
  sensor.LCDInit(16,2);
  sensor.SerialInit(9600);
  sensor.SDInit();
  sensor.SDCreateFile("test1");
  sensor.SDOpenFileToStream("test1");
}

void loop() {

}

这是错误：

  

Test_OpticalSensorLib.ino中包含的文件：1：   /Users/gaspersladic/Documents/Arduino/libraries/OpticalSensor/OpticalSensor.h:34：   错误：'Adafruit_RGBLCDShield'未命名类型   /Users/gaspersladic/Documents/Arduino/libraries/OpticalSensor/OpticalSensor.h:35：   错误：'文件'未命名类型

Answer 1

这两个包括你在评论中提到的必不可少的。 '不命名类型'只是意味着编译器看不到该标识符的定义。如果您提到的LCD库中存在错误，那么需要解决这些问题 - 省略#include肯定无法修复它！

经验中的两个注释可能会有所帮助：

1. 您需要将所有#include添加到主草图中 - 无论它们是否包含在另一个#include中。

2. 如果您将文件添加到库文件夹，则必须重新启动Arduino IDE才能看到这些新文件。

Answer 2

安装NeoMatrix库时出现does not name a type错误。

解决方案：复制时，.cpp和.h文件必须位于顶层文件夹中，例如：

myArduinoFolder/libraries/Adafruit_NeoMatrix/Adafruit_NeoMatrix.cpp

当我使用默认的Windows解压缩程序时，它将内容嵌套在另一个文件夹中：

myArduinoFolder/libraries/Adafruit_NeoMatrix/Adafruit_NeoMatrix/Adafruit_NeoMatrix.cpp

我移动了文件，所以它是：

myArduinoFolder/libraries/Adafruit_NeoMatrix/Adafruit_NeoMatrix.cpp

这解决了does not name a type问题。

Answer 3

不知道这是你的问题，但它是我的。

Void setup（）未命名类型

BUT

void setup（）没问题。

我发现我为另一个项目复制的草图充满了“错误的案例”字母。 Onc efixed，它运行顺利。强调文本

Answer 4

您唯一需要做的就是添加此行  你的草图

#include <SPI.h>

在#include <Adafruit_MAX31855.h>之前

。

Answer 5

最近，我发现其他因素也会导致此错误。我有一个AES.h，AES.cpp包含一个AES类，它给出了同样无益的错误。只有当我重命名为Encryption.h，Encryption.cpp和Encryption作为类名时才突然开始工作。没有其他代码更改。

Answer 6

我的代码在Arduino中超出了void setup（）或void loop（）的限制。

Answer 7

我在“}”中找到了解决此问题的方法。我对草图进行了一些更改，但忘记了检查“}”，因此又多了一个。我删除并编译后，一切都很好。

Answer 8

通常Header文件语法以大写字母开头。我发现代码全部用小写字母写成

#ifndef DIAG_H
#define DIAG_H

#endif