求助，编译问题！

宇之枫海云

Arduino:1.8.5 (Windows 7), 开发板："WeMos D1 R1, 80 MHz, Flash, Enabled, 4M (no SPIFFS), v2 Lower Memory, Disabled, None, Only Sketch, 921600"

c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT:HT(unsigned char, unsigned char, unsigned char)':

C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:13: multiple definition of `DHT:HT(unsigned char, unsigned char, unsigned char)'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:12: first defined here

c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT:HT(unsigned char, unsigned char, unsigned char)':

C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:13: multiple definition of `DHT:HT(unsigned char, unsigned char, unsigned char)'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:12: first defined here

c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT::begin()':

C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:25: multiple definition of `DHT::begin()'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:24: first defined here

c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT::convertCtoF(float)':

C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:68: multiple definition of `DHT::convertCtoF(float)'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:64: first defined here

c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT::convertFtoC(float)':

C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:73: multiple definition of `DHT::convertFtoC(float)'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:69: first defined here

c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT::computeHeatIndex(float, float, bool)':

"Blinker.h" 对应多个库
已使用： E:\arduino-1.8.5\libraries\Blinker
未使用：C:\Users\rain\Documents\Arduino\libraries\blinker-library-master
"DHT.h" 对应多个库
已使用： C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master
C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:103: multiple definition of `DHT::computeHeatIndex(float, float, bool)'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:92: first defined here

未使用：E:\arduino-1.8.5\libraries\DHT_sensor_library
"Hash.h" 对应多个库
已使用： C:\Users\rain\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.0-beta2\libraries\Hash
未使用：E:\arduino-1.8.5\libraries\Hash
c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT::expectPulse(bool)':

C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:255: multiple definition of `DHT::expectPulse(bool)'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:237: first defined here

c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT::read(bool)':

C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:134: multiple definition of `DHT::read(bool)'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:123: first defined here

c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT::readTemperature(bool, bool)':

C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:36: multiple definition of `DHT::readTemperature(bool, bool)'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:35: first defined here

c:/users/rain/appdata/local/arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/bin/../lib/gcc/xtensa-lx106-elf/4.8.2/../../../../xtensa-lx106-elf/bin/ld.exe: libraries\DHT-sensor-library-master\DHT.cpp.o: in function `DHT::readHumidity(bool)':

C:\Users\rain\Documents\Arduino\libraries\DHT-sensor-library-master/DHT.cpp:76: multiple definition of `DHT::readHumidity(bool)'; libraries\Blinker\modules\dht\DHT.cpp.o:E:\arduino-1.8.5\libraries\Blinker\src\modules\dht/DHT.cpp:72: first defined here

collect2.exe: error: ld returned 1 exit status

exit status 1
为开发板 WeMos D1 R1 编译时出错。

在文件 -> 首选项开启
“编译过程中显示详细输出”选项
这份报告会包含更多信息。
===================================================
collect2.exe: error: ld returned 1 exit status

exit status 1
为开发板 WeMos D1 R1 编译时出错。


这是什么错误？

宇之枫海云

/* *****************************************************************
*
* Download latest Blinker library here:
* https://github.com/blinker-iot/blinker-library/archive/master.zip
*
*
* Blinker is a cross-hardware, cross-platform solution for the IoT.
* It provides APP, device and server support,
* and uses public cloud services for data transmission and storage.
* It can be used in smart home, data monitoring and other fields
* to help users build Internet of Things projects better and faster.
*
* Make sure installed 2.5.0 or later ESP8266/Arduino package,
* if use ESP8266 with Blinker.
* https://github.com/esp8266/Arduino/releases
*
* Docs: https://doc.blinker.app/
*       https://github.com/blinker-iot/blinker-doc/wiki
*
* *****************************************************************
*
* Blinker 库下载地址:
* https://github.com/blinker-iot/blinker-library/archive/master.zip
*
* Blinker 是一套跨硬件、跨平台的物联网解决方案，提供APP端、设备端、
* 服务器端支持，使用公有云服务进行数据传输存储。可用于智能家居、
* 数据监测等领域，可以帮助用户更好更快地搭建物联网项目。
*
* 如果使用 ESP8266 接入 Blinker,
* 请确保安装了 2.5.0 或更新的 ESP8266/Arduino 支持包。
* https://github.com/esp8266/Arduino/releases
*
* 文档: https://doc.blinker.app/
*       https://github.com/blinker-iot/blinker-doc/wiki
*
* *****************************************************************/

#define BLINKER_WIFI

#include <Blinker.h>

char auth[] = "Your Device Secret Key";
char ssid[] = "Your WiFi network SSID or name";
char pswd[] = "Your WiFi network WPA password or WEP key";

BlinkerNumber HUMI("humi");
BlinkerNumber TEMP("temp");

// Download Adafruit DHT-sensor-library library here:
// https://github.com/adafruit/DHT-sensor-library
#include <DHT.h>

#define DHTPIN 2

//#define DHTTYPE DHT11   // DHT 11
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
//#define DHTTYPE DHT21   // DHT 21 (AM2301)

DHT dht(DHTPIN, DHTTYPE);

uint32_t read_time = 0;

float humi_read, temp_read;

void dataRead(const String & data)
{
    BLINKER_LOG("Blinker readString: ", data);

    Blinker.vibrate();

    uint32_t BlinkerTime = millis();
    Blinker.print(BlinkerTime);
    Blinker.print("millis", BlinkerTime);
}

void heartbeat()
{
    HUMI.print(humi_read);
    TEMP.print(temp_read);
}

void setup()
{
    Serial.begin(115200);
    BLINKER_DEBUG.stream(Serial);

    pinMode(LED_BUILTIN, OUTPUT);
    digitalWrite(LED_BUILTIN, LOW);

    Blinker.begin(auth, ssid, pswd);
    Blinker.attachData(dataRead);
    Blinker.attachHeartbeat(heartbeat);

    dht.begin();
}

void loop()
{
    Blinker.run();

    if (read_time == 0 || (millis() - read_time) >= 2000)
    {
        read_time = millis();

        float h = dht.readHumidity();
        float t = dht.readTemperature();        

        if (isnan(h) || isnan(t)) {
            BLINKER_LOG("Failed to read from DHT sensor!");
            return;
        }

        float hic = dht.computeHeatIndex(t, h, false);

        humi_read = h;
        temp_read = t;

        BLINKER_LOG("Humidity: ", h, " %");
        BLINKER_LOG("Temperature: ", t, " *C");
        BLINKER_LOG("Heat index: ", hic, " *C");
    }
}
=====================================、
这个DHT.WIFI的例子

三水

把blinker库完全删除后重新下载

宇之枫海云

跪谢三水大神啊！