mirror of
https://github.com/KevinMidboe/TinyGSM.git
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159 lines
8.1 KiB
Markdown
159 lines
8.1 KiB
Markdown
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A small Arduino library for GSM modules, that just works.
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<!---
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[](https://github.com/vshymanskyy/TinyGSM/releases/latest)--->
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[](https://github.com/vshymanskyy/TinyGSM/releases/latest)
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[](https://travis-ci.org/vshymanskyy/TinyGSM)
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[](https://github.com/vshymanskyy/TinyGSM/issues)
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[](https://github.com/vshymanskyy/TinyGSM/wiki)
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[](https://github.com/vshymanskyy/TinyGSM/stargazers)
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[](https://github.com/vshymanskyy/TinyGSM/blob/master/LICENSE)
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If you like **TinyGSM** - give it a star, or fork it and contribute!
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[](https://github.com/vshymanskyy/TinyGSM/stargazers)
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[](https://github.com/vshymanskyy/TinyGSM/network)
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You can also join our chat:
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[](https://gitter.im/tinygsm)
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### Arduino Client interface support
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This library is easy to integrate with lots of sketches, which use Ethernet or WiFi.
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**PubSubClient ([MQTT](http://mqtt.org/))**, **[Blynk](http://blynk.cc)**, **HTTP Client** and **File Download** examples are provided.
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### TinyGSM is tiny
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The complete WebClient example for Arduino Uno (via Software Serial) takes little resources:
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```
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Sketch uses 14094 bytes (43%) of program storage space. Maximum is 32256 bytes.
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Global variables use 625 bytes (30%) of dynamic memory, leaving 1423 bytes for local variables. Maximum is 2048 bytes.
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```
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Arduino GSM library uses 15868 bytes (49%) of Flash and 1113 bytes (54%) of RAM in a similar scenario.
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TinyGSM also pulls data gently from the modem (whenever possible), so it can operate on very little RAM.
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**Now, you have more space for your experiments.**
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## Features
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Feature \ Modem | SIM8xx | U201 | A6/A7/A20 | M590 | ESP8266 | XBee
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--- | --- | --- | --- | --- | --- | ---
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**Data connections**
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TCP (HTTP, MQTT, Blynk, ...) | ✔ | ✔ | ✔ | ✔ | ✔ | ✔
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UDP | ◌ | ◌ | | | | ◌
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SSL/TLS (HTTPS) | ✔¹ | ✔ | 🅧 | 🅧 | ◌ |
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**USSD**
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Sending USSD requests | ✔ | ◌ | ✔ | ✔ | |
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Decoding 7,8,16-bit response | ✔ | ◌ | ✔ | ✔ | |
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**SMS**
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Sending | ✔ | ? | ✔ | ✔ | | ✔
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Sending Unicode | ✔ | ? | ◌ | 🅧 | |
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Reading | | ? | | | |
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Incoming message event | | ? | | ? | |
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**Calls**
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Dial, hangup | ✔ | ? | ✔ | 🅧 | | 🅧
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Receiving calls | ✔ | ? | ✔ | 🅧 | | 🅧
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Incoming event (RING) | ◌ | ? | ◌ | 🅧 | | 🅧
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DTMF sending | ◌ | ? | ◌ | 🅧 | | 🅧
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DTMF decoding | ◌ | ? | 🅧 | 🅧 | | 🅧
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**Location**
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GSM location service | ✔ | ✔ | 🅧 | 🅧 | | ✔
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GPS/GNSS | ✔¹ | 🅧 | ◌¹ | 🅧 | 🅧 | 🅧
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✔ - implemented ◌ - planned 🅧 - not available for this modem
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¹ - only some device models or firmware revisions have this feature (SIM8xx R14.18, A7, etc.)
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## Supported modems
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- [x] SIMCom SIM800 series (SIM800A, SIM800C, SIM800L, SIM800H, SIM808, SIM868)
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- [x] SIMCom SIM900 series (SIM900A, SIM900D, SIM908, SIM968)
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- [x] AI-Thinker A6, A6C, A7, A20
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- [x] U-blox SARA U201 (*alpha*)
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- [x] ESP8266 (AT commands interface, similar to GSM modems)
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- [x] Digi XBee WiFi and Cellular (using XBee command mode)
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- [x] Neoway M590
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### Supported boards/modules
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- [x] Arduino MKR GSM 1400 (*alpha*)
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- [x] GPRSbee
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- [x] Microduino GSM
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- [x] Adafruit FONA (Mini Cellular GSM Breakout)
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- [x] Adafruit FONA 800/808 Shield
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- [x] ... other modules based on supported modems
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More modems may be supported later:
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- [ ] Quectel M10, M95, UG95
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- [ ] SIMCom SIM5320, SIM5216
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- [ ] Telit GL865
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- [ ] ZTE MG2639
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- [ ] Hi-Link HLK-RM04
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Watch this repo for new updates! And of course, contributions are welcome ;)
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## Donation
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[](https://salt.bountysource.com/checkout/amount?team=tinygsm-dev)
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[](http://tny.im/aen)
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If you have found TinyGSM to be useful in your work, research or company, please consider making a donation to the project commensurate with your resources. Any amount helps!
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**All donations will be used strictly to fund the development of TinyGSM:**
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- Covering cellular network expences
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- Buying new hardware and modems for integration
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- Bounty Budget (to reward other developers for their contributions)
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- Implementing new features
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- Quality Assurance
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## Getting Started
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1. Using your phone:
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- Disable PIN code on the SIM card
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- Check your ballance
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- Check that APN,User,Pass are correct and you have internet
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2. Ensure the SIM card is correctly inserted into the module
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3. Provide a good, [stable power supply](https://github.com/vshymanskyy/TinyGSM/wiki/Powering-GSM-module) (up to 2A and specific voltage according to your module documentation)
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4. Check if serial connection is working (Hardware Serial is recommended)
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Send an ```AT``` command using [this sketch](tools/AT_Debug/AT_Debug.ino)
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5. Check if GSM antenna is attached
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## How does it work?
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Many GSM modems, WiFi and radio modules can be controlled by sending AT commands over Serial.
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TinyGSM knows which commands to send, and how to handle AT responses, and wraps that into standard Arduino Client interface.
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## API Reference
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For GPRS data streams, this library provides the standard [Arduino Client](https://www.arduino.cc/en/Reference/ClientConstructor) interface.
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For additional functions, please refer to [this example sketch](examples/AllFunctions/AllFunctions.ino)
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## Troubleshooting
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### SoftwareSerial problems
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When using ```SoftwareSerial``` (on Uno, Nano, etc), the speed **115200** may not work.
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Try selecting **57600**, **38400**, or even lower - the one that works best for you.
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Be sure to set correct TX/RX pins in the sketch. Please note that not every Arduino pin can serve as TX or RX pin.
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**Read more about SoftSerial options and configuration [here](https://www.pjrc.com/teensy/td_libs_AltSoftSerial.html) and [here](https://www.arduino.cc/en/Reference/SoftwareSerial).**
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### Diagnostics sketch
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Use this sketch to diagnose your SIM card and GPRS connection:
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File -> Examples -> TynyGSM -> tools -> [Diagnostics](https://github.com/vshymanskyy/TinyGSM/blob/master/tools/Diagnostics/Diagnostics.ino)
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### Broken initial configuration
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Sometimes (especially if you played with AT comands), your module configuration may become invalid.
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This may result in problems such as:
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* Can't connect to the GPRS network
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* Can't connect to the server
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* Sent/recieved data contains invalid bytes
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* etc.
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To return module to **Factory Defaults**, use this sketch:
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File -> Examples -> TynyGSM -> tools -> [FactoryReset](https://github.com/vshymanskyy/TinyGSM/blob/master/tools/FactoryReset/FactoryReset.ino)
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__________
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### License
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This project is released under
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The GNU Lesser General Public License (LGPL-3.0)
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