Ivan Jajčević / Mbed OS projekt

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README.md@2:4379fe6ea43b, 2021-03-02 (annotated)

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ijajcevic
Date:
Tue Mar 02 22:39:08 2021 +0000
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2:4379fe6ea43b
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ijajcevic 0:8c4ff7ea7eb9 1 ![](./resources/official_armmbed_example_badge.png)
ijajcevic 0:8c4ff7ea7eb9 2 # Blinky Mbed OS example
ijajcevic 0:8c4ff7ea7eb9 3
ijajcevic 0:8c4ff7ea7eb9 4 The example project is part of the [Arm Mbed OS Official Examples](https://os.mbed.com/code/) and is the [getting started example for Mbed OS](https://os.mbed.com/docs/mbed-os/v5.14/quick-start/index.html). It contains an application that repeatedly blinks an LED on supported [Mbed boards](https://os.mbed.com/platforms/).
ijajcevic 0:8c4ff7ea7eb9 5
ijajcevic 0:8c4ff7ea7eb9 6 You can build the project with all supported [Mbed OS build tools](https://os.mbed.com/docs/mbed-os/latest/tools/index.html). However, this example project specifically refers to the command-line interface tool [Arm Mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli).
ijajcevic 0:8c4ff7ea7eb9 7 (Note: To see a rendered example you can import into the Arm Online Compiler, please see our [import quick start](https://os.mbed.com/docs/mbed-os/latest/quick-start/online-with-the-online-compiler.html#importing-the-code).)
ijajcevic 0:8c4ff7ea7eb9 8
ijajcevic 0:8c4ff7ea7eb9 9 1. [Install Mbed CLI](https://os.mbed.com/docs/mbed-os/latest/quick-start/offline-with-mbed-cli.html).
ijajcevic 0:8c4ff7ea7eb9 10
ijajcevic 0:8c4ff7ea7eb9 11 1. Clone this repository on your system, and change the current directory to where the project was cloned:
ijajcevic 0:8c4ff7ea7eb9 12
ijajcevic 0:8c4ff7ea7eb9 13 ```bash
ijajcevic 0:8c4ff7ea7eb9 14 $ git clone git@github.com:armmbed/mbed-os-example-blinky && cd mbed-os-example-blinky
ijajcevic 0:8c4ff7ea7eb9 15 ```
ijajcevic 0:8c4ff7ea7eb9 16
ijajcevic 0:8c4ff7ea7eb9 17 Alternatively, you can download the example project with Arm Mbed CLI using the `import` subcommand:
ijajcevic 0:8c4ff7ea7eb9 18
ijajcevic 0:8c4ff7ea7eb9 19 ```bash
ijajcevic 0:8c4ff7ea7eb9 20 $ mbed import mbed-os-example-blinky && cd mbed-os-example-blinky
ijajcevic 0:8c4ff7ea7eb9 21 ```
ijajcevic 0:8c4ff7ea7eb9 22
ijajcevic 0:8c4ff7ea7eb9 23
ijajcevic 0:8c4ff7ea7eb9 24 ## Application functionality
ijajcevic 0:8c4ff7ea7eb9 25
ijajcevic 0:8c4ff7ea7eb9 26 The `main()` function is the single thread in the application. It toggles the state of a digital output connected to an LED on the board.
ijajcevic 0:8c4ff7ea7eb9 27
ijajcevic 0:8c4ff7ea7eb9 28 ## Building and running
ijajcevic 0:8c4ff7ea7eb9 29
ijajcevic 0:8c4ff7ea7eb9 30 1. Connect a USB cable between the USB port on the board and the host computer.
ijajcevic 0:8c4ff7ea7eb9 31 2. <a name="build_cmd"></a> Run the following command to build the example project and program the microcontroller flash memory:
ijajcevic 0:8c4ff7ea7eb9 32 ```bash
ijajcevic 0:8c4ff7ea7eb9 33 $ mbed compile -m <TARGET> -t <TOOLCHAIN> --flash
ijajcevic 0:8c4ff7ea7eb9 34 ```
ijajcevic 0:8c4ff7ea7eb9 35 The binary is located at `./BUILD/<TARGET>/<TOOLCHAIN>/mbed-os-example-blinky.bin`.
ijajcevic 0:8c4ff7ea7eb9 36
ijajcevic 0:8c4ff7ea7eb9 37 Alternatively, you can manually copy the binary to the board, which you mount on the host computer over USB.
ijajcevic 0:8c4ff7ea7eb9 38
ijajcevic 0:8c4ff7ea7eb9 39 Depending on the target, you can build the example project with the `GCC_ARM`, `ARM` or `IAR` toolchain. After installing Arm Mbed CLI, run the command below to determine which toolchain supports your target:
ijajcevic 0:8c4ff7ea7eb9 40
ijajcevic 0:8c4ff7ea7eb9 41 ```bash
ijajcevic 0:8c4ff7ea7eb9 42 $ mbed compile -S
ijajcevic 0:8c4ff7ea7eb9 43 ```
ijajcevic 0:8c4ff7ea7eb9 44
ijajcevic 0:8c4ff7ea7eb9 45 ## Expected output
ijajcevic 0:8c4ff7ea7eb9 46 The LED on your target turns on and off every 500 milliseconds.
ijajcevic 0:8c4ff7ea7eb9 47
ijajcevic 0:8c4ff7ea7eb9 48
ijajcevic 0:8c4ff7ea7eb9 49 ## Troubleshooting
ijajcevic 0:8c4ff7ea7eb9 50 If you have problems, you can review the [documentation](https://os.mbed.com/docs/latest/tutorials/debugging.html) for suggestions on what could be wrong and how to fix it.
ijajcevic 0:8c4ff7ea7eb9 51
ijajcevic 0:8c4ff7ea7eb9 52 ## Related Links
ijajcevic 0:8c4ff7ea7eb9 53
ijajcevic 0:8c4ff7ea7eb9 54 * [Mbed OS Stats API](https://os.mbed.com/docs/latest/apis/mbed-statistics.html).
ijajcevic 0:8c4ff7ea7eb9 55 * [Mbed OS Configuration](https://os.mbed.com/docs/latest/reference/configuration.html).
ijajcevic 0:8c4ff7ea7eb9 56 * [Mbed OS Serial Communication](https://os.mbed.com/docs/latest/tutorials/serial-communication.html).
ijajcevic 0:8c4ff7ea7eb9 57 * [Mbed OS bare metal](https://os.mbed.com/docs/mbed-os/latest/reference/mbed-os-bare-metal.html).
ijajcevic 0:8c4ff7ea7eb9 58 * [Mbed boards](https://os.mbed.com/platforms/).
ijajcevic 0:8c4ff7ea7eb9 59
ijajcevic 0:8c4ff7ea7eb9 60 ### License and contributions
ijajcevic 0:8c4ff7ea7eb9 61
ijajcevic 0:8c4ff7ea7eb9 62 The software is provided under Apache-2.0 license. Contributions to this project are accepted under the same license. Please see contributing.md for more info.
ijajcevic 0:8c4ff7ea7eb9 63
ijajcevic 0:8c4ff7ea7eb9 64 This project contains code from other projects. The original license text is included in those source files. They must comply with our license guide.