내 상황에 적용 가능한 해결책을 찾지 못한 채 몇 시간 동안이 문제에 대해 읽었습니다. 포함 된 파일 및 라이브러리와 관련된 문제가있을 수 있음을 이해하지만 실제로 무엇이 잘못되었는지를 알 수는 없습니다.오류 : '인수'의 유형에 .cpp 및 .h 파일의 문제가 있다고 가정하지 않았습니다.
MQTT 클라이언트 라이브러리를 사용하는 Arduino 스크립트입니다. 그것은 오래된 PubSubClient.h lib와 아름답게 작동합니다.
이제 lib를 최근 버전으로 업데이트하고 싶습니다. 함수 정의가 변경되어 스케치를 변경하고 Arduino/라이브러리 디렉토리의 lib를 전환 한 다음 Arduino IDE를 다시 시작했습니다. 나는 "error : '인자가'타입을 지정하지 않는다 '라는 많은 것을 얻었고, 나는 무엇을 고칠 지 정말로 모른다.
여기에서 .h 및 .cpp 파일 조직을 찾아서 어떤 일이 일어나고 있는지 이해할 수 있습니다.
파일 //device.ino
#include "device.h"
//device.h 파일
#ifndef DEVICE_H
#define DEVICE_H
#include <WiFiClient.h>
#include <WiFiClientSecure.h>
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#include <ESP8266HTTPUpdateServer.h>
#include <PubSubClient.h>
#include <ArduinoJson.h>
#include <jsmn.h>
#include <Arduino.h>
#include <pgmspace.h>
#include "mqtt.h"
#endif
mqtt.h 파일
#ifndef MQTT_H
#define MQTT_H
#include "device.h"
#endif
mqtt.cpp 파일
#include "mqtt.h"
WiFiClient wifi_client;
PubSubClient mqtt_client(wifi_client);
mqtt_client.setServer(mqtt_server, MQTT_BROKER_PORT);
mqtt_client.setCallback(mqtt_callback);
마지막으로 오류 컴파일러는 밖으로 던져 : mqtt.cpp를 : 19 : 오류 : 'mqtt_client'는 유형
mqtt_client.setServer(mqtt_server, MQTT_BROKER_PORT);
^
mqtt.cpp:20: error: 'mqtt_client' does not name a type
mqtt_client.setCallback(mqtt_callback);
^
sketch\mqtt.cpp: In function 'void mqtt_publish_mex(String, String, bool)':
mqtt.cpp:27: error: no matching function for call to 'PubSubClient::publish(String&, String&, bool&)'
if (mqtt_client.publish(topic, jmex, retained)) {
^
sketch\mqtt.cpp:27:54: note: candidates are:
In file included from sketch\Walvola.h:25:0,
from sketch\mqtt.h:4,
from sketch\mqtt.cpp:1:
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:130:12: note: boolean PubSubClient::publish(const char*, const char*)
boolean publish(const char* topic, const char* payload);
^
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:130:12: note: candidate expects 2 arguments, 3 provided
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:131:12: note: boolean PubSubClient::publish(const char*, const char*, boolean)
boolean publish(const char* topic, const char* payload, boolean retained);
^
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:131:12: note: no known conversion for argument 1 from 'String' to 'const char*'
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:132:12: note: boolean PubSubClient::publish(const char*, const uint8_t*, unsigned int)
boolean publish(const char* topic, const uint8_t * payload, unsigned int plength);
^
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:132:12: note: no known conversion for argument 1 from 'String' to 'const char*'
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:133:12: note: boolean PubSubClient::publish(const char*, const uint8_t*, unsigned int, boolean)
boolean publish(const char* topic, const uint8_t * payload, unsigned int plength, boolean retained);
^
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:133:12: note: candidate expects 4 arguments, 3 provided
sketch\mqtt.cpp: In function 'void mqtt_log(String)':
mqtt.cpp:347: error: no matching function for call to 'PubSubClient::publish(const String&, String&)'
mqtt_client.publish(mqtt_controllers_topic_debug, json_string);
^
sketch\mqtt.cpp:347:70: note: candidates are:
In file included from sketch\Walvola.h:25:0,
from sketch\mqtt.h:4,
from sketch\mqtt.cpp:1:
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:130:12: note: boolean PubSubClient::publish(const char*, const char*)
boolean publish(const char* topic, const char* payload);
^
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:130:12: note: no known conversion for argument 1 from 'const String' to 'const char*'
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:131:12: note: boolean PubSubClient::publish(const char*, const char*, boolean)
boolean publish(const char* topic, const char* payload, boolean retained);
^
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:131:12: note: candidate expects 3 arguments, 2 provided
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:132:12: note: boolean PubSubClient::publish(const char*, const uint8_t*, unsigned int)
boolean publish(const char* topic, const uint8_t * payload, unsigned int plength);
^
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:132:12: note: candidate expects 3 arguments, 2 provided
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:133:12: note: boolean PubSubClient::publish(const char*, const uint8_t*, unsigned int, boolean)
boolean publish(const char* topic, const uint8_t * payload, unsigned int plength, boolean retained);
^
C:\Users\Fabrizio & Dario\Documents\Arduino\libraries\pubsubclient\src/PubSubClient.h:133:12: note: candidate expects 4 arguments, 2 provided
In file included from sketch\mqtt.h:4:0,
from sketch\mqtt.cpp:1:
sketch\mqtt.cpp: In function 'void mqtt_callback(char*, byte*, unsigned int)':
mqtt.cpp:375: error: request for member 'payload_string' in 'payload', which is of non-class type 'byte* {aka unsigned char*}'
log(payload.payload_string());
^
sketch\Walvola.h:89:67: note: in definition of macro 'log'
#define log(mex) if (DEBUG) {Serial.println(walvola_time + "::" + mex);Serial.flush(); if(MQTT_DEBUG) {mqtt_log(walvola_time + "::" + mex);}}
^
mqtt.cpp:375: error: request for member 'payload_string' in 'payload', which is of non-class type 'byte* {aka unsigned char*}'
log(payload.payload_string());
^
sketch\Walvola.h:89:135: note: in definition of macro 'log'
#define log(mex) if (DEBUG) {Serial.println(walvola_time + "::" + mex);Serial.flush(); if(MQTT_DEBUG) {mqtt_log(walvola_time + "::" + mex);}}
^
mqtt.cpp:379: error: request for member 'payload_string' in 'payload', which is of non-class type 'byte* {aka unsigned char*}'
if (mqtt2JSONkvs(payload.payload_string())) {
^
mqtt.cpp:404: error: a function-definition is not allowed here before '{' token
{
^
mqtt.cpp:512: error: expected '}' at end of input
}
^
Più di una libreria trovata per "WiFiClient.h"
Usata: C:\Users\Fabrizio & Dario\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.3.0\libraries\ESP8266WiFi
Non usata: C:\Program Files (x86)\Arduino\libraries\WiFi
Non usata: C:\Program Files (x86)\Arduino\libraries\WiFi
Non usata: C:\Program Files (x86)\Arduino\libraries\WiFi
Non usata: C:\Program Files (x86)\Arduino\libraries\WiFi
exit status 1
'mqtt_client' does not name a type
도움을
감사 이름을하지 않습니다!
덕분 I 대신이 같은 멤버 함수의 매개 변수를 사용 funciton : PubSubClient의 mqtt_client (mqtt_server, MQTT_BROKER_PORT, mqtt_callback, wifi_client)를; 하지만 뭔가가 여전히 잘못 호출에 대해 동일한을 사용할 수 없습니다 생각 : mqtt_client.publish 내가 전화를 사용 또한 exemple를 확인하고 있다는 점에서 (주제, jmex은 유지) 링크 ] (https://github.com/knolleary/pubsubclient/blob/master/examples/mqtt_esp8266/mqtt_esp8266.ino) 행 112, 130 .. –
실제로는 아니지만 이전에 내가 사용한 시간이었습니다. 필자는 pubsubclient 객체를 선언하고 public 함수를 호출하는 것보다 예제와 같은 방법으로 작업을 수행했습니다. 코드를 옮길 곳을 더 명확하게 할 수 있습니까 (이전 답)? 어쩌면 당신을 위해 간단하지만 나는 미쳐 갈거야, 고마워! –
내 수정 참조 – OznOg