Update README.md

Author: microbuilder

nRF51822/README.md

@@ -15,40 +15,47 @@ Mandatory Tools
 
 The following tools are required regardless of the toolchain you are using (GNU Tools or Keil uVision):
 
-- [Segger J-Link Drivers (v4.80 for example)](http://www.segger.com/jlink-software.html)
-- **S110 SoftDevice** (v5.2.1) (available after registering your nRF51822 board on [Nordic's website](http://www.nordicsemi.com/))
-
-Downloaded and install the J-Link drivers if you don't already have a recent copy installed, and then download the S110 SoftDevice, which will be placed in an appropriate folder in this codebase (see below for the exact location).
-  
-Optional Tools
---------------
-
+- [Segger J-Link Drivers](http://www.segger.com/jlink-software.html)
 - The **nRF51822 SDK** (available after registering your nRF51822 board on [Nordic's website](http://www.nordicsemi.com/))
+- **S110 SoftDevice** (v6.0.0) (available after registering your nRF51822 board on [Nordic's website](http://www.nordicsemi.com/))
 
-The nRF51822 SDK is only mandatory if you want to use Keil uVision, since it includes support files for Keil (v4.xx only, v5.xx is not yet supported).
-
-If you only plan on using GNU tool and the GNU/GCC toolchain this is an optional download since we have already included a copy of the SDK in the codebase.  The SDK also includes the **nrfjprog.exe** utility which allows you to program the flash from the command-line, but this utility has also been included in the codebase at '/tools/Windows/nordic'.
-
-If you do install the SDK, **be sure to use the Windows installer for this rather than the .zip file**, since there are several steps in the installation process that aren't handled by the .zip file!
+**be sure to use the Windows installer for the SDK rather than the .zip file**, since there are several steps in the installation process that aren't handled by the .zip file!
 
 Installation Order
 ------------------
 
 You **MUST** install the J-Link drivers **BEFORE** installing the nRF51822 SDK or you will have problems with path locations looking for the JLinkARM.dll when using the nrfjprog.exe utility!  This utility uses the J-Link .dll, and is required to program the flash from the command-line.  If you run into this problem, try uninstalling the SDK, reinstall the J-Link drivers and then re-install the Nordic SDK.
 
-Adding the SoftDevice to the Codebase
--------------------------------------
+Optional Tools
+--------------
+
+This codebase includes the **nrfjprog.exe** utility from Nordic (/tools/Windows/nordic) which allows you to program the flash from the command-line.
+
+Adding the SoftDevice and sDK to the Codebase
+---------------------------------------------
 
-The SoftDevice must be unzipped an placed in the /lib/softdevice/* folder, and shown below. This allows multiple versions of the SoftDevice to co-exist in the codebase, and each Makefile can point to the appropriate header files for the softdevice used by that project:
+The SoftDevice must be unzipped and placed in the /lib/softdevice/* folder, and shown below. This allows multiple versions of the SoftDevice to co-exist in the codebase, and each Makefile can point to the appropriate header files for the softdevice used by that project:
 
 ```
-  [projfolder]/lib/softdevice/s110_nrf51822_5.2.1/s110_nrf51822_5.2.1_softdevice.hex
+  [projfolder]/lib/softdevice/s110_nrf51822_6.0.0/s110_nrf51822_6.0.0_softdevice.hex
 ```
 
 Make sure that you also include the matching SoftDevice header files, which will normally go in the folder below:
 
 ```
-  [projfolder]/lib/softdevice/s110_nrf51822_5.2.1/s110_nrf51822_5.2.1/s110_nrf51822_5.2.1_API/include
+  [projfolder]/lib/softdevice/s110_nrf51822_6.0.0/s110_nrf51822_6.0.0/s110_nrf51822_6.0.0_API/include
+```
+
+Similarly, the SDK files must be placed in the following folder, which allows you to maintain several versions of the SDK across different projects if necessary:
+
+```
+  [projfolder]/lib/sdk/nRF51_SDK_v5.1.0.36092/s110_nrf51822_6.0.0_softdevice.hex
+```
+
+The makefiles are located in the following folder, and reference makefiles are included in the default codebase as a reference.  You will probably want to replace the default files in this folder from Nordic with the updated versions provided in this codbase:
+
+```
+  [projfolder]/lib/sdk/nRF51_SDK_v5.1.0.36092/Nordic/nrf51822/Source/templates/gcc
 ```
 
 GNU Build Tools
@@ -60,10 +67,12 @@ If you don't already have a valid GNU toolchain and/or supporting build tools in
 - [Coreutils for Windows 5.3.0](http://gnuwin32.sourceforge.net/packages/coreutils.htm)
 - [Make for Windows 3.81](http://gnuwin32.sourceforge.net/packages/make.htm)
 
+You can also try a package like [mingw](http://www.mingw.org/) to provide the required build tools on Windows.
+
 Adding GNU Build Tools to %PATH%
 --------------------------------
 
-To access the above tools once they are installed, you need to add the installation folder to the %PATH% environment variable.  
+To access the above tools once they are installed, you need to add the installation folder to the %PATH% environment variable.
 
 Depending on your system and installation folder, the location that you need to add to %PATH% should resemble the following: