Updated firmware images

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Rob Moran
2018-01-08 00:26:30 +00:00
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## Example Firmware Packages
These images were copied from the Nordic [nRF5 SDK version 14.2.0](http://www.nordicsemi.com/eng/nordic/Products/nRF52-DK/nRF5-SDK-zip/59014).
An entire device firmware can be broken down into three images, each of which can be update separately:
- Soft Device
- Bootloader
- Application
Each package can have up to two images in it, the first of which is _one_ of the following:
- Soft Device
- Bootloader
- Soft Device and Bootloader
The second image can then be an `application` image.
## bootloader_secure_ble_s132.zip
This package contains a single `bootloader` image which allows further updates from boot.
## softdevice_bootloader_secure_ble_s132.zip
This package contains a single image contaning both a `soft device` and a `bootloader`.
## ble_app_buttonless_dfu_s132.zip
This package contains a `buttonless application` image which allows futher updates without the need to physically touch the device.
## bootloader_secure_ble_app_buttonless_dfu_s132.zip
This package contains _two_ images; a `bootloader` and a `buttonless application` image which allows futher updates.
## ble_app_hrs_s140.zip
This package contains a heart rate monitor `application` which allows further updates. To activate the update mode, hold `button 4` while the device boots.