第一篇：RFID的使用与说明
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大家都不喜欢我了吗 我喜欢你 knijht 发表于 2022-4-10 20:29
我喜欢你
感谢支持 下载来学学习学习 最近在接触rfid 大佬，报错了 Arduino:1.7.8 (Windows 8.1), 板："Arduino Uno"
In file included from MFRC522.h:78:0,
from MFRC522.cpp:8:
require_cpp11.h:9:2: error: #error "This library needs at least a C++11 compliant compiler, maybe compiler argument for C++11 support is missing or if you use Arduino IDE upgrade to version >=1.6.6"
#error "This library needs at least a C++11 compliant compiler, maybe compiler argument for C++11 support is missing or if you use Arduino IDE upgrade to version >=1.6.6"
^
In file included from MFRC522.cpp:8:0:
MFRC522.h:146:9: error: 'constexpr' does not name a type
static constexpr byte FIFO_SIZE = 64;// The FIFO is 64 bytes.
^
MFRC522.h:146:9: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
MFRC522.h:148:9: error: 'constexpr' does not name a type
static constexpr uint8_t UNUSED_PIN = UINT8_MAX;
^
MFRC522.h:148:9: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
In file included from MFRC522.cpp:8:0:
MFRC522.h:376:111: error: 'nullptr' was not declared in this scope
StatusCode PCD_TransceiveData(byte *sendData, byte sendLen, byte *backData, byte *backLen, byte *validBits = nullptr, byte rxAlign = 0, bool checkCRC = false);
^
MFRC522.h:377:112: error: 'nullptr' was not declared in this scope
StatusCode PCD_CommunicateWithPICC(byte command, byte waitIRq, byte *sendData, byte sendLen, byte *backData = nullptr, byte *backLen = nullptr, byte *validBits = nullptr, byte rxAlign = 0, bool checkCRC = false);
^
MFRC522.h:377:137: error: 'nullptr' was not declared in this scope
StatusCode PCD_CommunicateWithPICC(byte command, byte waitIRq, byte *sendData, byte sendLen, byte *backData = nullptr, byte *backLen = nullptr, byte *validBits = nullptr, byte rxAlign = 0, bool checkCRC = false);
^
MFRC522.h:377:164: error: 'nullptr' was not declared in this scope
StatusCode PCD_CommunicateWithPICC(byte command, byte waitIRq, byte *sendData, byte sendLen, byte *backData = nullptr, byte *backLen = nullptr, byte *validBits = nullptr, byte rxAlign = 0, bool checkCRC = false);
^
MFRC522.cpp: In constructor 'MFRC522::MFRC522()':
MFRC522.cpp:16:33: error: 'UINT8_MAX' was not declared in this scope
MFRC522::MFRC522(): MFRC522(SS, UINT8_MAX) { // SS is defined in pins_arduino.h, UINT8_MAX means there is no connection from Arduino to MFRC522's reset and power down input
^
MFRC522.cpp: In member function 'void MFRC522::PCD_Init()':
MFRC522.cpp:201:28: error: 'UNUSED_PIN' was not declared in this scope
if (_resetPowerDownPin != UNUSED_PIN) {
^
MFRC522.cpp: In member function 'MFRC522::StatusCode MFRC522::PICC_REQA_or_WUPA(byte, byte*, byte*)':
MFRC522.cpp:587:20: error: 'nullptr' was not declared in this scope
if (bufferATQA == nullptr || *bufferSize < 2) { // The ATQA response is 2 bytes long.
^
MFRC522.cpp: In member function 'MFRC522::StatusCode MFRC522::PICC_HaltA()':
MFRC522.cpp:854:54: error: 'nullptr' was not declared in this scope
result = PCD_TransceiveData(buffer, sizeof(buffer), nullptr, 0);
^
MFRC522.cpp: In member function 'MFRC522::StatusCode MFRC522::PCD_Authenticate(byte, byte, MFRC522::MIFARE_Key*, MFRC522::Uid*)':
MFRC522.cpp:903:87: error: call to 'MFRC522::StatusCode MFRC522::PCD_CommunicateWithPICC(byte, byte, byte*, byte, byte*, byte*, byte*, byte, bool)' uses the default argument for parameter 5, which is not yet defined
return PCD_CommunicateWithPICC(PCD_MFAuthent, waitIRq, &sendData, sizeof(sendData));
^
MFRC522.cpp:903:87: error: call to 'MFRC522::StatusCode MFRC522::PCD_CommunicateWithPICC(byte, byte, byte*, byte, byte*, byte*, byte*, byte, bool)' uses the default argument for parameter 6, which is not yet defined
MFRC522.cpp:903:87: error: call to 'MFRC522::StatusCode MFRC522::PCD_CommunicateWithPICC(byte, byte, byte*, byte, byte*, byte*, byte*, byte, bool)' uses the default argument for parameter 7, which is not yet defined
MFRC522.cpp: In member function 'MFRC522::StatusCode MFRC522::MIFARE_Read(byte, byte*, byte*)':
MFRC522.cpp:938:16: error: 'nullptr' was not declared in this scope
if (buffer == nullptr || *bufferSize < 18) {
^
MFRC522.cpp:952:59: error: 'nullptr' was not declared in this scope
return PCD_TransceiveData(buffer, 4, buffer, bufferSize, nullptr, 0, true);
^
MFRC522.cpp: In member function 'MFRC522::StatusCode MFRC522::MIFARE_Write(byte, byte*, byte)':
MFRC522.cpp:973:16: error: 'nullptr' was not declared in this scope
if (buffer == nullptr || bufferSize < 16) {
^
MFRC522.cpp: In member function 'MFRC522::StatusCode MFRC522::MIFARE_Ultralight_Write(byte, byte*, byte)':
MFRC522.cpp:1008:16: error: 'nullptr' was not declared in this scope
if (buffer == nullptr || bufferSize < 4) {
^
MFRC522.cpp: In member function 'MFRC522::StatusCode MFRC522::PCD_MIFARE_Transceive(byte*, byte, bool)':
MFRC522.cpp:1241:18: error: 'nullptr' was not declared in this scope
if (sendData == nullptr || sendLen > 16) {
^
编译有误。
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Rakin 发表于 2022-8-24 19:56
Arduino:1.7.8 (Windows 8.1), 板："Arduino Uno"
In file included from MFRC522.h:78:0,
ok,thankyou
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