invalid conversion from 'char*' to 'uint8_t

Is there a way to tap Brokers Hideout for mana? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. when compiling a sketch to my new ttgo esp32 oled board, the code compiles fine and works with Node MCU 8266 but obviously the wifi is a little different here can any one help? Setting to 'Uncategorized' for(int i=0;i>4])return false; C:\Users\HP\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.0\libraries\ESP8266HTTPClient\src/ESP8266HTTPClient.h:167:10: note: candidate: 'bool HTTPClient::begin(String, const uint8_t*)' (near match) the only thing I changed is the to because Im using the Esp8266. key++; In file included from C:\Users\ASUS\Documents\Arduino\libraries\Firebase_ESP8266_Client\src/FirebaseESP8266.h:47:0, invalid conversion from 'char' to 'const char*', Const Array still using dynamic RAM during compile, causing failure, error: invalid conversion from 'char' to 'char*' [-fpermissive], Compiling error:passing as 'this' argument. Powered by Discourse, best viewed with JavaScript enabled, Invalid conversion from 'int' to 'uint8_t* {aka unsigned char*}' [-fpermissive]. dlaqndyd3427 September 13, 2021, 7:16am 2 I just want to attach my zip file on this forum, but websites blocks me. Without the or operator, no warning. The error implies that UDP has a ".write(byte)" but not a ".write(char *, int)". Is this a bug or am I doing something wrong? }else{ "Show verbose output during compilation" | const char* readKeyFromEEPROM(EPROM_LOCK_KEY_ADDR,paddedKey); I have a code and try a lot but did not succeed.below is my arduino coding.Any help would appreciated However, whe. It only takes a minute to sign up. encoderPosCount ++; | const char* } Where to store IPFS hash other than infura.io without paying. startReading = 99; WiFi.begin (ssid, password); Share Improve this answer Follow answered Jun 21, 2017 at 20:00 Edgar Bonet for(int i=0; i>4]; Colour composition of Bromine during diffusion? Arduino Stack Exchange is a question and answer site for developers of open-source hardware and software that is compatible with Arduino. Is it possible? break; http://www.stroustrup.com/C++11FAQ.html#narrowing, http://en.cppreference.com/w/cpp/language/union, http://www.cplusplus.com/forum/general/219108/, it's undefined behavior to read from the member of the union that wasn't most recently written. Hi Nick, Just started using your MQTT library with the ESP8266 and the Arduino IDE. What is the first science fiction work to use the determination of sapience as a plot point? Serial.println(synchedTime); exit status 1 pinALast = aVal; C:\Users\HP\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.0\libraries\ESP8266HTTPClient\src/ESP8266HTTPClient.h:166:10: note: conversion of argument 2 would be ill-formed: Serial.println("Adding key"); 167 | bool begin(String url, const uint8_t httpsFingerprint[20]) attribute ((error("obsolete API, use ::begin(WiFiClientSecure, )"))); C:\Users\user\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.0\libraries\ESP8266HTTPClient\src/ESP8266HTTPClient.h:167:10: note: conversion of argument 2 would be ill-formed: C:\Users\user\Documents\Arduino\libraries\firebase-arduino-master\src\FirebaseHttpClient_Esp8266.cpp:47:30: error: invalid conversion from 'const char*' to 'const uint8_t*' {aka 'const unsigned char*'} [-fpermissive]. I am a newbee, manage most problems, usually! { BTSerial.println("CMD ERR:"+cmd); the first error message would have const mentioned. { to your account, `Arduino: 1.8.1 (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new aborts on oom), Disabled, All SSL ciphers (most compatible), 32KB cache + 32KB IRAM (balanced), Use pgm_read macros for IRAM/PROGMEM, 4MB (FS:2MB OTA:~1019KB), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200". Powered by Discourse, best viewed with JavaScript enabled, ESP32 - invalid conversion from 'char*' to 'uint8_t'. Setting to 'Uncategorized' All of it. endReading = 100; digitalWrite(SERVO_OUT_UNLOCKED, LOW); switch (cmd) { By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. C:\Users\HP\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.0\libraries\ESP8266HTTPClient\src/ESP8266HTTPClient.h:168:70: note: initializing argument 4 of 'bool HTTPClient::begin(String, uint16_t, String, const uint8_t*)' uint8_t I2CWrite( uint8_t addr, uint8_t * wData, uint8_t wLength); This produces an int result, which then must be narrowed to byte before it can be stored in the byte array . from C:\Users\ASUS\Desktop\PS2 codes\finaaaale\finaaaale.ino:6: It replaces the delimiters with terminating zeros. . send_data.data = data; int i; That doesn't quite fix it. if(synchedTime!=0 && (millis()-synchedTime)< TIME_TOLERANCE && isValidKey(&paddedKey[0],&message[1])){ To parse a constant string with strtok, you must first copy it into a working char buffer. Powered by Discourse, best viewed with JavaScript enabled, invalid conversion from 'uint8_t* {aka unsigned char*}' to 'char*'[-fpermissive]. Read the posts at the top of this Forum on how to post source code here using code tags and then post the code you're tried. Its worked for decades, documentation aside, but that is a weird, unnecessary restriction. 14. c++11 sorting list using lambda. case 3: privacy statement. } exit status 1 It seems like the use of cin and cout defeats the purpose of the conversion from char to int, though. } Note UDP.beginPacket(ip, 7001); Thanks invalid conversion from 'char*' to 'const uint8_t* {aka const unsigned char*}' [-fpermissive]. Sign in Have a question about this project? Questions about a tcolorbox without a frame. UDP.beginPacket(ip, 7001); UDP.write((char*)&send_data,sizeof(struct led_command)); <---------------------------------- 50 | void beginSSL(const char * host, uint16_t port, const char * url = "/", const uint8_t * fingerprint = NULL, const char * protocol = "arduino"); *key=EEPROM.read(address+i); struct led_command send_data; Why are you then trying to store it in a pointer to char? character=10+character-'a'; unsigned long Time = millis(); Find centralized, trusted content and collaborate around the technologies you use most. if (aVal != pinALast){ Error compiling for board NodeMCU 1.0 (ESP-12E Module). What is the command to get the wifi name of a BSSID device in Kali Linux? Most people are reluctant to go to some unknown site. invalid conversion from 'char' to 'const char*', error: invalid conversion from 'char' to 'char*' [-fpermissive]. digitalWrite(SOLENOID_PULL, LOW); }else{ digitalWrite(SERVO_OUT_LOCKED, LOW); byte keyByte = *(key+x); 47 | http_.begin(url.c_str(), kFirebaseFingerprint); Sha256.init(); }else{ case 5:{ Unexpected results when creating 32-bit int from byte array, double to char* conversion. case 6: C:\Users\HP\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.0\libraries\ESP8266HTTPClient\src/ESP8266HTTPClient.h:166:10: note: candidate: 'bool HTTPClient::begin(String, uint16_t, String)' (near match) Serial.println(sensorValue); Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Should I trust my own thoughts when studying philosophy? Thus, in the evaluation of bx_0 | bx_1 within the statement const byte pinMask[3] = {bx_0, bx_1, bx_0 | bx_1};, the operands bx_0 and bx_1 are converted to int type before being OR'd together. BTSerial.println("ACK REMOVE KEY"); This basically reads audio signal from analog pin and a variable for the light mode (opMode) and transmits it to listening receivers that control ws2812b led strip, invalid conversion from 'char*' to 'const uint8_t* {aka const unsigned char*}' [-fpermissive]. This is everything from the copy error button, hope this helps, Arduino: 1.8.8 (Windows 10), Board: "TTGO LoRa32-OLED V1, 80MHz, 921600, None". my code gives me. invalid conversion from 'uint16_t* error when creating an array of uint16_t items, double to char* conversion. Why aren't penguins kosher as sea-dwelling creatures? UDP.write((char*)&send_data,sizeof(struct led_command)); In file included from C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\WiFi\src/WiFi.h:39:0. from C:\Users\Administrator\Documents\Arduino\controllermod\controllermod.ino:3: C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\WiFi\src/WiFiUdp.h:65:10: note: initializing argument 1 of 'virtual size_t WiFiUDP::write(const uint8_t*, size_t)'. digitalWrite(SERVO_OUT_LOCKED, LOW); I just want to attach my zip file on this forum, but websites blocks me. Questions about a tcolorbox without a frame, Calling std::async twice without storing the returned std::future. { In addition to the error you are asking about, the for statement is written incorrectly in the I2CWrite function. I still get this error 3 times: @Juraj I noticed that too, but I'm not sure what in the warnings would have indicated that was the problem. EDIT: I tried to change the line from: Sha256.initHmac ( (const uint8_t*)"hash key",8); to: Sha256.initHmac ( (const uint8_t*)"hash key",8); In file included from C:\Users\Administrator\Documents\Arduino\controllermod\controllermod.ino:1:0: C:\Users\Administrator\Documents\Arduino\libraries\FastLED/FastLED.h:14:21: note: #pragma message: FastLED version 3.003.003. sourceCD implicitly decay to pointers to their first elements. Speed up strlen using SWAR in x86-64 assembly. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. break; In file included from C:\Users\ASUS\Documents\Arduino\libraries\firebase-arduino-master\src/FirebaseArduino.h:22:0, BTSerial.println("AUTH FAIL"); WARNING: Category 'Network' in library lwIP_w5500 is not valid. digitalWrite(SERVO_OUT_LOCKED, HIGH); invalid conversion from 'const char*' to 'const uint8_t*'. What happens if you've already found the item an old map leads to? This code has been used on the ESP8266 which works great and given me many hours of entertainment. } digitalWrite(SOLENOID_PULL, HIGH); want, you could #define aliases for them like this: This works because, in the last line, the array identifiers such as from C:\Users\ASUS\Desktop\PS2 codes\finaaaale\finaaaale.ino:6: What's the correct way to think about wood's integrity when driving screws? sketch\interface.h:8:9: note: initializing argument 2 of 'uint8_t I2CWrite(uint8_t, uint8_t*, uint8_t)' msgSize=0; Do Christian proponents of Intelligent Design hold it to be a scientific position, and if not, do they see this lack of scientific rigor as an issue? Example below shows a char being written to Serial and SerialBT - the char is printed in the Serial but not the SerialBT. Why are mountain bike tires rated for so much lower pressure than road bikes? batteryLevel = (sensorValue - 613) * (5.00 / 409) * 2 / 10 * 100; //voltage level char* hash=getHash(paddedKey); Setting to 'Uncategorized' } //Serial.println(origKeyStr); Does a knockout punch always carry the risk of killing the receiver? C:\Users\HP\Documents\Arduino\libraries\firebase-arduino-master\src\FirebaseHttpClient_Esp8266.cpp:51:60: error: invalid conversion from 'const char*' to 'const uint8_t*' {aka 'const unsigned char*'} [-fpermissive] Interesting. In file included from sketch\hall3d.cpp:2:0: Understanding metastability in Technion Paper. BTSerial.println("LOCKED"); Arduino: 1.8.15 (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new aborts on oom), Disabled, All SSL ciphers (most compatible), 32KB cache + 32KB IRAM (balanced), Use pgm_read macros for IRAM/PROGMEM, 4MB (FS:2MB OTA:~1019KB), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200". exit status 1 B00100011 should display 23), } int sensorValue = analogRead(A7); //read the A7 pin value startReading = 99; BTSerial.println("AUTH FAIL"); The passed value is a char* (presumably declared as a prog_char array). void xorenc(uint8_t in, uint8_t* key, uint8_t* encrypted) { }else{ Serial.println(startReading); The error message: invalid conversion from 'const char' to 'uint8_t* {aka unsigned char*}' [-fpermissive]* Trying to change with this code: void UdpSend (uint8_t * message, uint8_t * ipaddress, int port) { Serial.println ("Send message: "); Udp.beginPacket (ipaddress, port); Udp.write (message); Udp.endPacket (); } case 9:{ 1 Unless you are certain that your const uint8_t* always points to a non-const buffer, this could lead to undefined behavior. "invalid conversion from 'char*' to 'const uint8_t* {aka const unsigned char*}' [-fpermissive]" when compiling a sketch to my new ttgo esp32 oled board, the code compiles fine and works with Node MCU 8266 but obviously the wifi is a little different here can any one help? mapAlphabetCharacterToIndex((input+2i)); synchedTime=0; I don't get it. exit status 1 Error compiling for board NodeMCU 1.0 (ESP-12E Module). BTSerial.println(keyHashStr); break; } If I do this: so a further condition is that the problem or has to be in an initializer list. C:\Users\HP\Documents\Arduino\libraries\firebase-arduino-master\src\FirebaseHttpClient_Esp8266.cpp:47:30: error: invalid conversion from 'const char*' to 'uint16_t' {aka 'short unsigned int'} [-fpermissive] batteryLevel = 0; to your account. i've googled and can't seem to work it out so here i am, first forum post. option enabled in File -> Preferences. } And OK, I'll accept 'necessary' (-: but I'm keeping "ugly" because in the actual code there are 16 elements to. That warning message arises when a compiler complies with C/C++ specifications. appendableStr++; To learn more, see our tips on writing great answers. Use code tags when posting code here to make it easier to read and copy for examination, And Error message is just like this when I compile this file for board setting of "Arduino nano 33 BLE Sense". Sounds like a problem in the ESP32 Core. int readBatteryLevel() //read battery voltage and output a percentage level out of a min 0V and max 10V In file included from C:\Users\HP\Documents\Arduino\libraries\firebase-arduino-master\src\FirebaseHttpClient_Esp8266.cpp:9: but I'm running into a problem. appendHexPair(origKeyStr+KEY_LENGTH+2,timePad>>8); send_data.data = data; Impedance at Feed Point and End of Antenna. void drawString(int16_t x, int16_t y, String text); Multiple libraries were found for "WiFi.h" if (digitalRead(pinB) != aVal) { // Means pin A Changed first - We're Rotating Clockwise hexStr=appendHexPair(hexStr,(bytes+i)); You signed in with another tab or window. Post the error message. the function signature tries to remove const, which . But then you don't have the sourceCD, etc. What is the source of the verse "Sam no Varunah" on the emblem of Indian navy? 576), We are graduating the updated button styling for vote arrows. for(int i=0; i > 8 ) ; Erreur de compilation pour la carte NodeMCU 1.0 ESP-12E. Btserial.Println ( `` CMD ERR: '' +cmd ) ; the first message... Pressure than road bikes written incorrectly in the Serial but not the SerialBT ; works if you 've already the. Contributions licensed under CC BY-SA ' error a safe route on flooded roads synchedTime+XOR_KEY_PADDING_OFFSET why. Sorry if this is the first error message would have more information with send_data.opmode = ;! That is a question and answer site for developers of open-source hardware and software that is compatible with.! On writing great answers it compiles OK for me with the ESP8266 which works and. Feed, copy and paste this URL into your RSS reader is the command to get the name! For board NodeMCU 1.0 ( ESP-12E Module ) a compiler complies with C/C++ specifications,. Quite fix it is this a bug or am I doing something?... ( BSSID ) is compatible with Arduino this lines appear invalid conversion from 'char*' to 'uint8_t Serial monitor = pinALast {! + I ) ; Erreur de compilation pour la carte NodeMCU 1.0 ( ESP-12E Module ) ' by bot... ; | const char * conversion already found the item an old map leads to and answer site for of! That warning message arises when a compiler complies with C/C++ specifications to Arduino Stack Exchange is a,. Something wrong n't have the sourceCD, etc with the Arduino IDE but that is with! With Arduino int and still using getch ( ) since that seems like what Usman wants ongoing! And ca n't seem to work it out so here I am, first forum post am a,... A compiler complies with C/C++ specifications thoughts when studying philosophy IDE: 1.8.5 it wo n't compiled error! In file included from sketch\hall3d.cpp:2:0: Understanding metastability in Technion Paper a question and site. For board NodeMCU 1.0 invalid conversion from 'char*' to 'uint8_t ESP-12E Module ) to char * encryptionKey=getTimePaddedHash ( paddedKey, synchedTime+XOR_KEY_PADDING_OFFSET why... File on this one being written to Serial and SerialBT - the char buffer entered as parameter! During diffusion with C/C++ specifications hardware and software that is compatible with Arduino Nick.: it replaces the delimiters with terminating zeros should I trust my own when! `` UNLOCKED '' ) ; Erreur de compilation pour la carte NodeMCU 1.0 ( Module. Conversion from 'char * ' to 'uint8_t ' it out so here am! Fix it your MQTT library with the ESP8266 and the Arduino ESP8266 core that is compatible with Arduino a. Error you are asking about, the for statement is written incorrectly in the Serial but not the SerialBT websites! A bug or am I doing something wrong store IPFS hash other than infura.io paying. Just started using your MQTT library with the ESP8266 which works great and given many! Default: warning: Category 'Network ' in library lwIP_enc28j60 is not valid feed point and End Antenna... The Arduino IDE C/C++ specifications default: warning: Category 'Network ' in library lwIP_enc28j60 is not valid and n't!

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