Merge pull request #239 from Microsoft/usb-docs-update

.hex file download and USB transfer docs update
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Peli de Halleux 2016-09-06 09:10:06 -07:00 committed by GitHub
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# Run Scripts on your micro:bit # Running programs on your micro:bit
How to compile, transfer, and run a script on your micro:bit. How to compile, transfer, and run a program on your micro:bit.
While you're writing and testing your scripts, you'll mostly be running scripts in your browser by clicking the `PLay` button While you're writing and testing your programs, you'll mostly be [running them
(see [run code in your browser](/device/simulator) for info about this). in the simulator](/device/simulator), but once you've finished your program you
can **compile** it and run it on your micro:bit.
Once your masterpiece is complete, you can compile your script and run it on your micro:bit. The basic steps are:
1. Connect your micro:bit to your computer via USB
2. Click **Download** and download the `.hex` file
3. Copy the `.hex` file from your computer onto the micro:bit drive
## Requirements ## Requirements
You need the following things to transfer and run a script on your micro:bit: You need the following things to transfer and run a script on your micro:bit:
* A-Male to Micro USB cable to connect your computer to your micro:bit. This is the same cable that is commonly used to connect a smart phone to a computer. * A-Male to Micro USB cable to connect your computer to your micro:bit. This is
* a PC running Windows 7 of later, or a Mac running OS X 10.6 or later the same cable that is commonly used to connect a smart phone to a computer.
* access to the Internet * A PC running Windows 7 or later, or a Mac running OS X 10.6 or later
## Step 1: Connect your micro:bit to your computer ## Step 1: Connect your micro:bit to your computer
@ -23,108 +28,151 @@ First, connect the micro:bit:
2. Connect the other end of the USB cable to a USB port on your computer. 2. Connect the other end of the USB cable to a USB port on your computer.
Your computer should recognise your micro:bit as a new drive. On computers running Windows, MICROBIT appears as a drive under Devices and drives. On a Mac it appears as a new drive under Devices. Your computer should recognise your micro:bit as a new drive. On computers
running Windows, `MICROBIT` appears as a drive under Devices and drives. On a Mac
it appears as a new drive under Devices.
Windows **Windows**
![](/static/mb/device/usb-0.jpg) ![](/static/mb/device/usb-windows-device.jpg)
Mac (picture bvabdbco) **Mac**
WARN: unknown picture: bvabdbco:5x3
## Step 2: Compile your script ![](/static/mb/device/usb-osx-device.png)
Next, compile your script: ## Step 2: Download your program
1. Sign in to Touch Develop on your computer. 1. Open your project on [codethemicrobit.com](https://codethemicrobit.com)
2. Click **Download**
2. Open your script (find the script in **My Scripts** and click `Edit`). 3. When prompted, choose to **save** the compiled file onto your computer. The
prompt will be different depending on which browser you are using, or
3. Click **Download**. Your script is converted into a hex file that you can transfer and run on your micro:bit. whether you are using a Windows computer or a Mac
4. When prompted, choose to save the compiled file on your computer (or anywhere other than the micro:bit). Depending on which browser you are using, the download will adopt the download behaviour of that particular browser.
### Windows ### Windows
** Chrome** #### Chrome
Your .hex file appears as a download at the bottom of the browser. Open up your windows file explorer. Your micro:bit appears as a drive called MICROBIT. Your `.hex` file appears as a download at the bottom of the browser. Click on
the arrow next to the name of the file and then click **Show in folder**.
**Right click** on the download and select **show in folder**. Drag and drop the hex file from the download folder onto the MICROBIT drive. ![](/static/mb/device/usb-windows-chrome.png)
Alternatively, you can drag and drop the downloaded hex file from the bottom of the browser onto the file explorer and onto the MICROBIT drive. Drag and drop the `.hex` file from the download folder onto the `MICROBIT` drive.
![](/static/mb/device/usb-1.jpg) #### Firefox
**Firefox** A window will appear asking whether you want to save or open the `.hex` file.
Select **Save File** and then select **OK**.
A dialogue box will appear, asking whether you would like to open or save your hex file. Select **Save**, then **OK** and the file will appear in your downloads in the top right of your browser. Select the **blue arrow**, select the relevant file and drag and drop it onto your Windows Explorer and onto your MICROBIT drive. ![](/static/mb/device/usb-windows-firefox-1.png)
![](/static/mb/device/usb-2.jpg) The file will then appear in your downloads in the top right of your browser.
Click the **folder icon** next to the filename to open it in Windows Explorer.
![](/static/mb/device/usb-3.jpg) ![](/static/mb/device/usb-windows-firefox-2.png)
**IE10** Drag and drop the `.hex` file from the download folder onto the `MICROBIT` drive.
Click on **Download**. You will see a message “Do you want to save this .hex file.” Select **Save**. #### Microsoft Edge
A message will appear at the bottom of the browser asking what you want to do
with the file. Click **Save**:
![](/static/mb/device/usb-windows-edge-1.png)
Then click **Open folder** and drag and drop the file from your Downloads to
your `MICROBIT` drive.
![](/static/mb/device/usb-windows-edge-2.png)
#### Internet Explorer
A message will appear at the bottom of the browser asking what you want to do
with the file. Click **Save**:
![](/static/mb/device/usb-windows-ie11-1.png)
Then click **Open folder** and drag and drop the file from your Downloads to
your `MICROBIT` drive.
![](/static/mb/device/usb-windows-ie11-2.png)
### Mac ### Mac
** Safari** #### Safari
When you select **Download** in Safari on Mac, your file will be downloaded to your downloads folder. Go to your downloads folder and open the file. In Safari the file will appear as unknown.txt rather than a named .hex file. Drag and drop it onto your MICROBIT drive. When you select **Download** in Safari a file called `Unknown` will be
downloaded into your Downloads folder. Open your Downloads folder and drag and
drop the file onto your `MICROBIT` drive, under Devices:
![](/static/mb/device/usb-4.jpg) ![](/static/mb/device/usb-osx-dnd.png)
**Firefox** #### Firefox
A dialogue box will appear, asking whether you would like to open or save your hex file. Select **Save** and **OK** and the file will then appear in your downloads in the top right of your browser. Click on **Show in Finder** and the file will appear in your downloads folder. Select the file and drag and drop it onto your MICROBIT drive. A dialogue box will appear, asking whether you would like to open or save your
hex file. Select **Save file** and click **OK** and the file will then appear in
your downloads in the top right of your browser. Right click on the file and
click on **Show in Finder** and the file will appear in your downloads folder.
Select the file and drag and drop it onto your `MICROBIT` drive.
![](/static/mb/device/usb-5.jpg) ![](/static/mb/device/usb-osx-firefox-1.png)
![](/static/mb/device/usb-6.jpg) ![](/static/mb/device/usb-osx-firefox-2.png)
**Chrome** #### Chrome
When you select **Download** in Chrome, the file will be downloaded to the bottom of the browser in .hex format. Click on the small arrow and select **Show in Finder**. This will show the file in your download folder. Drag and drop the file onto your MICROBIT drive. When you select **Download** in Chrome, the file will appear at the bottom of
the browser. Click on the small arrow and select **Show in Finder**. This will
show the file in your download folder. Drag and drop the file onto your
`MICROBIT` drive.
![](/static/mb/device/usb-7.jpg) ![](/static/mb/device/usb-osx-chrome.png)
## Step 3: Transfer the file to your micro:bit ## Step 3: Transfer the file to your micro:bit
1. The file will transfer onto your micro:bit. * Once you've found the folder containing your `.hex` file, drag and drop it
onto your `MICROBIT` drive
2. If you're using Windows, you can use **Send to** as described below. * If you're using Windows, you can use **Send to** as described below
* The LED on the back of your micro:bit flashes during the transfer (which
3. The LED on the back of your micro:bit flashes during the transfer (which should only take a few seconds). should only take a few seconds).
* Once transferred, the code will run automatically on your micro:bit. To rerun
4. Once transferred, the code will run automatically on your micro:bit. To rerun your program, press the reset button on the back of your micro:bit. The reset button automatically runs the newest file on the micro:bit. your program, press the reset button on the back of your micro:bit. The reset
button automatically runs the newest file on the micro:bit.
**Send to**: If you're using Windows you use *Send to* in File Explorer: **Send to**: If you're using Windows you use *Send to* in File Explorer:
- In File Explorer, right-click on the hex file (created in Step 2 above), choose **Send to**, and then **MICROBIT**. - In File Explorer, right-click on the hex file (created in Step 2 above), choose **Send to**, and then **MICROBIT**.
![](/static/mb/device/usb-8.jpg) ![](/static/mb/device/usb-windows-sendto.jpg)
By copying the script onto the 'MICROBIT' drive, you have programmed it into the flash memory on the micro:bit, which means even after you unplug the micro:bit, your script will still run if the micro:bit is powered by battery. By copying the script onto the `MICROBIT` drive, you have programmed it into the
flash memory on the micro:bit, which means even after you unplug the micro:bit,
your program will still run if the micro:bit is powered by battery.
## Troubleshooting ## Troubleshooting
You cant drag and drop more than one hex file at once onto your micro:bit. If you try to drag and drop a second hex file onto your micro:bit before the first file has finished downloading, then the second file may fail in different ways. You cant drag and drop more than one hex file at once onto your micro:bit. If
you try to drag and drop a second hex file onto your micro:bit before the first
file has finished downloading, then the second file may fail in different ways.
When the first program has been written to the micro:bit, the drive will disengage. If you drag and drop a second file at this point it may not find the drive and the second write will fail. When the first program has been written to the micro:bit, the drive will
disengage. If you drag and drop a second file at this point it may not find the
drive and the second write will fail.
The errors may look like this: The errors may look like this:
**Windows** **Windows**
![](/static/mb/device/usb-9.jpg) ![](/static/mb/device/usb-windows-copy-file-error.jpg)
**Mac** **Mac**
![](/static/mb/device/usb-10.png) ![](/static/mb/device/usb-osx-copy-file-error.png)
Or it may appear that there are two hex files on your micro:bit so the micro:bit wont be able to run multiple files. To rectify this, unplug your micro:bit and plug it in again. Make sure that your micro:bit appears as MICROBIT and not MAINTENANCE. Or it may appear that there are two hex files on your micro:bit so the micro:bit
wont be able to run multiple files. To rectify this, unplug your micro:bit and
plug it in again. Make sure that your micro:bit appears as `MICROBIT` and not
`MAINTENANCE`.
### See also ### See also

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