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Qinghao Shi
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Merge pull request #87 from mprse/NFC_examples
Add NFC examples
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‎.circleci/config.yml

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mbed config root .
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mbed update
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mbed add https://github.com/c1728p9/AudioPlayer
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mbed add https://github.com/ARMmbed/mbed-nfc-m24sr
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mbed test --compile -m K64F -t GCC_ARM -n sinppet-* --app-config=sinppet/TESTS/test.json -v

‎APIs_NFC/MessageBuilder/README.md

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## MessageBuilder Example
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This MessageBuilder example shows how to build an NDEF message into a user-provided buffer. `URI`, `Text` and `Mime` types can be serialized in the builder with the help of the member function `append_as_record`.

‎APIs_NFC/MessageBuilder/main.cpp

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/*
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* Copyright (c) 2006-2020 Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "mbed.h"
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#include "nfc/ndef/MessageBuilder.h"
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#include "nfc/ndef/common/URI.h"
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#include "nfc/ndef/common/Text.h"
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#include "nfc/ndef/common/util.h"
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using mbed::nfc::ndef::MessageBuilder;
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using mbed::nfc::ndef::common::Text;
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using mbed::nfc::ndef::common::URI;
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using mbed::nfc::ndef::common::span_from_cstr;
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int main()
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{
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uint8_t message_data[128];
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const Span<uint8_t, 128> buffer(message_data, sizeof(message_data));
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MessageBuilder builder(buffer);
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URI uri(URI::HTTPS_WWW, span_from_cstr("mbed.com"));
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Text text(Text::UTF8, span_from_cstr("en-US"), span_from_cstr("Mbed website"));
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uri.append_as_record(builder);
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text.append_as_record(builder, /* last record */ true);
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printf("Message size: %d bytes\r\n", builder.get_message().size());
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}

‎APIs_NFC/NFCController/README.md

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# NFCController example
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This example shows how to use an NFC controller.

‎APIs_NFC/NFCController/main.cpp

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/*
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* Copyright (c) 2006-2020 Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "stdint.h"
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#include "NFC.h"
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#include "events/EventQueue.h"
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#include "nfc/controllers/PN512Driver.h"
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#include "nfc/controllers/PN512SPITransportDriver.h"
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static uint8_t ndef_buffer[1024] = {0};
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int main()
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{
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mbed::nfc::PN512SPITransportDriver pn512_transport(D11, D12, D13, D10, A1, A0);
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mbed::nfc::PN512Driver pn512_driver(&pn512_transport);
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events::EventQueue queue;
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mbed::nfc::NFCController nfc(&pn512_driver, &queue, ndef_buffer);
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// ...
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}

‎APIs_NFC/NFC_EEPROM/README.md

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# NFCEEPROM example
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This example shows how to use an NFCEEPROM class.

‎APIs_NFC/NFC_EEPROM/main.cpp

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/*
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* Copyright (c) 2006-2020 Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "stdint.h"
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#include "NFC.h"
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#include "events/EventQueue.h"
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#include "m24sr_driver.h"
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static uint8_t ndef_buffer[1024] = {0};
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int main()
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{
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mbed::nfc::vendor::ST::M24srDriver m24sr_driver(D14, D15);
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events::EventQueue queue;
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mbed::nfc::NFCEEPROM nfc(&m24sr_driver, &queue, ndef_buffer);
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// ...
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nfc.write_ndef_message();
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}

‎APIs_NFC/SimpleMessageParser/README.md

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## SimpleMessageParser Example
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This SimpleMessageParser example shows how to parse NDEF messages.

‎APIs_NFC/SimpleMessageParser/main.cpp

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/*
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* Copyright (c) 2006-2020 Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "mbed.h"
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#include "nfc/ndef/MessageBuilder.h"
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#include "nfc/ndef/common/URI.h"
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#include "nfc/ndef/common/Text.h"
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#include "nfc/ndef/common/util.h"
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#include "nfc/ndef/common/SimpleMessageParser.h"
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using mbed::nfc::ndef::Record;
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using mbed::nfc::ndef::RecordType;
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using mbed::nfc::ndef::RecordID;
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using mbed::nfc::ndef::MessageParser;
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using mbed::nfc::ndef::common::Text;
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using mbed::nfc::ndef::common::URI;
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using mbed::nfc::ndef::common::Mime;
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using mbed::nfc::ndef::MessageBuilder;
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using mbed::nfc::ndef::common::span_from_cstr;
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using mbed::nfc::ndef::common::SimpleMessageParser;
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int main()
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{
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uint8_t message_data[512];
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const Span<uint8_t, 512> buffer(message_data, sizeof(message_data));
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MessageBuilder builder(buffer);
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Text text(Text::UTF8, span_from_cstr("en-US"), span_from_cstr("Mbed website"));
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URI uri(URI::HTTPS_WWW, span_from_cstr("mbed.com"));
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uri.append_as_record(builder);
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text.append_as_record(builder, /* last record */ true);
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SimpleMessageParser parser;
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struct : SimpleMessageParser::Delegate {
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virtual void on_parsing_started()
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{
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printf("parsing started\r\n");
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}
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virtual void on_text_parsed(const Text &text, const RecordID &)
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{
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printf("Text record parsed.\r\n");
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printf(
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"\tlanguage: %.*s\r\n",
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text.get_language_code().size(), text.get_language_code().data()
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);
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printf("\ttext: %.*s\r\n", text.get_text().size(), text.get_text().data());
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}
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virtual void on_uri_parsed(const URI &uri, const RecordID &)
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{
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printf("URI parsed.\r\n");
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printf("\tid: %d\r\n", uri.get_id());
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printf("\tvalue: %.*s\r\n", uri.get_uri_field().size(), uri.get_uri_field().data());
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}
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virtual void on_mime_parsed(const Mime &mime, const RecordID &)
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{
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printf("Mime object parsed.\r\n");
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printf("\ttype: %.*s\r\n", mime.get_mime_type().size(), mime.get_mime_type().data());
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printf("\tcontent size: %d\r\n", mime.get_mime_content().size());
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}
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virtual void on_unknown_record_parsed(const Record &record)
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{
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printf("Unknown record parsed.\r\n");
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printf(
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"\ttype: %d, type_value: %.*s\r\n",
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record.type.tnf, record.type.value.size(), record.type.value.data()
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);
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printf(
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"\tpayload size: %d, payload: %.*s\r\n",
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record.payload.size(), record.payload.size(), record.payload.data()
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);
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}
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virtual void on_parsing_terminated()
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{
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printf("parsing terminated\r\n");
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}
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virtual void on_parsing_error(MessageParser::error_t error)
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{
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printf("Parsing error: %d\r\n", error);
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}
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} delegate;
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parser.set_delegate(&delegate);
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parser.parse(buffer);
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}

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