From 566c3031083f05b59f3f86bc1de79f247c941bd4 Mon Sep 17 00:00:00 2001 From: Johan Euphrosine Date: Tue, 3 Nov 2015 14:40:20 -0800 Subject: [PATCH 1/2] initial import --- button.ino | 27 +++++++++++++ firebase.ino | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 131 insertions(+) create mode 100644 button.ino create mode 100644 firebase.ino diff --git a/button.ino b/button.ino new file mode 100644 index 00000000..8182a5f4 --- /dev/null +++ b/button.ino @@ -0,0 +1,27 @@ + #include + +SoftwareSerial mySerial(1, 0); // RX, TX +int pushButton = 2; + +// the setup routine runs once when you press reset: +void setup() { + mySerial.begin(115200); + mySerial.println("hello"); + pinMode(pushButton, INPUT); + digitalWrite(pushButton, HIGH); +} + +int previousState = 1; + + +void loop() { + int buttonState = digitalRead(pushButton); + if (buttonState == 0 && buttonState != previousState) { + mySerial.println("POST /hits.json"); + mySerial.println("{\".sv\": \"timestamp\"}"); + } + previousState = buttonState; +} + + + diff --git a/firebase.ino b/firebase.ino new file mode 100644 index 00000000..b7cb240e --- /dev/null +++ b/firebase.ino @@ -0,0 +1,104 @@ +#include +#include +#include + +const char* ssid = "GoogleGuest"; +const char* password = ""; + +const char* host = "burning-heat-7044.firebaseio.com"; +const int httpsPort = 443; +const char* fingerprint = "C1 56 CD D8 49 A3 7D D2 1D 49 60 7E 0D 59 A7 7C C1 0E 58 D2"; +struct Credential { + char token[148]; +} cred; + +String buffer; + +void setup() { + Serial.begin(115200); + + EEPROM.begin(512); + EEPROM.get(0, cred); + Serial.println(); + Serial.println("!I #!/dev/chiplet"); + Serial.print("!I token: "); + Serial.println(cred.token); + Serial.print("!I connecting to wifi"); + WiFi.begin(ssid, password); + while (WiFi.status() != WL_CONNECTED) { + delay(500); + Serial.print("."); + } + Serial.println(""); + Serial.print("!I wifi connected: "); + Serial.println(WiFi.localIP()); +} + +String buildRequest(String data) { + return data + "?auth=" + cred.token + " HTTP/1.1\r\n" + + "Host: " + host + "\r\n" + + "User-Agent: Chiplet\r\n" + + "Connection: close\r\n"; +} + +void loop() { + String request; + + if (Serial.available() > 0) { + String data = Serial.readStringUntil('\n'); + data.trim(); + + if (data.startsWith("GET")) { + Serial.println(String("!I request: ") + data); + request = buildRequest(data) + "\r\n"; + } else if (data.startsWith("POST")) { + Serial.println(String("!I request: ") + data); + Serial.println("!I waiting for payload"); + buffer = buildRequest(data); + } else if (buffer.startsWith("POST")) { + // send POST request when complete + Serial.println(String("!I payload: ") + data); + Serial.println(String("!I content-length: ") + data.length()); + request = buffer + "Content-Length: " + data.length() + "\r\n\r\n" + data; + buffer = ""; + } else if (data.startsWith("TOKEN")) { + data.substring(6).toCharArray(cred.token, sizeof(cred.token)); + EEPROM.put(0, cred); + EEPROM.commit(); + Serial.println(String("!I token updated: ") + cred.token); + } else { + Serial.println("!E usage:"); + Serial.println("!E GET /path"); + Serial.println("!E POST /path"); + Serial.println("!E payload"); + Serial.println("!E TOKEN token"); + } + } + + if (request.length() > 0) { + WiFiClientSecure client; + if (!client.connect(host, httpsPort)) { + Serial.println("!E connection failed"); + return; + } + if (!client.verify(fingerprint, host)) { + Serial.println("!E certificate doesn't match"); + return; + } + Serial.println("!I connected"); + client.print(request); + request.trim(); + request.replace("\r\n", "\r\n!> "); + Serial.println(String("!> ") + request); + Serial.println("!I headers"); + while (client.connected()) { + String data = client.readStringUntil('\n'); + Serial.println("!< " + data); + } + Serial.println("!I body"); + while(client.available() > 0) { + String data = client.readStringUntil('\n'); + Serial.println(data); + } + } +} From e3911b1f997609152c7ad9853e7690e91c9cc192 Mon Sep 17 00:00:00 2001 From: Johan Euphrosine Date: Tue, 3 Nov 2015 14:55:25 -0800 Subject: [PATCH 2/2] update headers, add README --- CONTRIBUTING.md | 33 ++++++++ LICENSE | 202 ++++++++++++++++++++++++++++++++++++++++++++++++ README.md | 30 +++++++ button.ino | 22 ++++-- firebase.ino | 16 ++++ 5 files changed, 298 insertions(+), 5 deletions(-) create mode 100644 CONTRIBUTING.md create mode 100644 LICENSE diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 00000000..22ff42ec --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,33 @@ +# How to become a contributor and submit your own code + +## Contributor License Agreements + +We'd love to accept your sample apps and patches! Before we can take them, we +have to jump a couple of legal hurdles. + +Please fill out either the individual or corporate Contributor License Agreement +(CLA). + + * If you are an individual writing original source code and you're sure you + own the intellectual property, then you'll need to sign an [individual CLA] + (http://code.google.com/legal/individual-cla-v1.0.html). + * If you work for a company that wants to allow you to contribute your work, + then you'll need to sign a [corporate CLA] + (http://code.google.com/legal/corporate-cla-v1.0.html). + +Follow either of the two links above to access the appropriate CLA and +instructions for how to sign and return it. Once we receive it, we'll be able to +accept your pull requests. + +## Contributing a Patch + +1. Sign a Contributor License Agreement, if you have not yet done so (see + details above). +1. Create your change to the repo in question. + * Fork the desired repo, develop and test your code changes. + * Ensure that your code is clear and comprehensible. + * Ensure that your code has an appropriate set of unit tests which all pass. +1. Submit a pull request. +1. The repo owner will review your request. If it is approved, the change will + be merged. If it needs additional work, the repo owner will respond with + useful comments. diff --git a/LICENSE b/LICENSE new file mode 100644 index 00000000..d6456956 --- /dev/null +++ b/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/README.md b/README.md index b18dafd2..c1ab6f1a 100644 --- a/README.md +++ b/README.md @@ -1 +1,31 @@ # firebase-iot-button + +This sample show how to call firebase from an arduino sketch. + +*This is not an official Google product*. + +## Requirements + +- 1 esp8266 +- 1 attiny85 +- 1 push button +- Arduino 1.6.x + +## Setup + +- Update `ssid` and `host` variable in `firebase.ino`. +- Flash `firebase.ino` on the esp8266. +- Flash `button.ino` on the attiny85. +- Connect attiny softserial(0,1) on esp8266 rx/tx. + +## Provision +- Generate a firebase token. +- Send the following command over serial port on the esp8266: +``` +TOKEN +``` + +## Run +- Open firebase dashboard on `/hits.json`. +- Press the button. +- Notice the new entry. diff --git a/button.ino b/button.ino index 8182a5f4..74402878 100644 --- a/button.ino +++ b/button.ino @@ -1,9 +1,24 @@ - #include +// +// Copyright 2015 Google Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// + +#include SoftwareSerial mySerial(1, 0); // RX, TX int pushButton = 2; -// the setup routine runs once when you press reset: void setup() { mySerial.begin(115200); mySerial.println("hello"); @@ -22,6 +37,3 @@ void loop() { } previousState = buttonState; } - - - diff --git a/firebase.ino b/firebase.ino index b7cb240e..ab450e5a 100644 --- a/firebase.ino +++ b/firebase.ino @@ -1,3 +1,19 @@ +// +// Copyright 2015 Google Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// + #include #include #include