LED-Blink.md

-Prerequisites for this guide is having installed Git, Python3, the [Miosix toolchain](https://miosix.org/wiki/index.php?title=Quick_start) and the STM32 ST-Link software.
+Prerequisites for this guide is having installed Git, CMake, the [Miosix toolchain](https://miosix.org/wiki/index.php?title=Quick_start) and the STM32 ST-Link software.
 Also a compatible board is needed: all the examples are made with a STM32F407VG Discovery.
 
 This tutorial is a simple led blink test: it will teach you how to clone the boardcore repository, create your own entrypoint (_i.e. Main_) and flash the compiled binary in the target board.
@@ -8,9 +8,8 @@ This tutorial is a simple led blink test: it will teach you how to clone the boa
 Open the git console inside a folder and clone the boardcore repository:
 
 ```sh
-git clone --recurse-submodules https://git.skywarder.eu/scs/skyward-boardcore.git  
+git clone --recurse-submodules https://git.skywarder.eu/scs/skyward-boardcore.git
 cd skyward-boardcore
-./sbs -v  # build all the entrypoint (with verbose output)
 ```
 
 If all was built without errors you're good to start.  
@@ -23,7 +22,7 @@ git submodule update --init --recursive --remote
 
 ## Create your branch
 
-First of all, create a new working branch off from testing ( [why?](Git-Workflow) ):
+First of all, create a new working branch off from testing ([why?](Git-Workflow)):
 
 ```
 git checkout testing
@@ -43,7 +42,7 @@ using namespace miosix;
 
 int main()
 {
-    while(1) 
+    while (true) 
     {
         ledOn();
 	miosix::Thread::sleep(200);
@@ -55,40 +54,41 @@ int main()
 }
 ```
 
-By calling _ledOn()_ and _ledOff()_ Miosix automatically sets high or low the [GPIO](GPIO-Usage-&-Used-Pins.md) associated to the default board LED (called `_led` and specified in `libs/miosix-kernel/arch/<your-arch>/<your-board>/interfaces-impl/bsp_impl.h`).
+By calling `ledOn()` and `ledOff()` Miosix automatically sets high or low the [GPIO](GPIO-Usage-&-Used-Pins.md) associated to the default board LED (called `_led` and specified in `libs/miosix-kernel/arch/<your-arch>/<your-board>/interfaces-impl/bsp_impl.h`).
 
 ## Compile with SBS
 
-To compile your entrypoint you must add it to the build system (called [SBS](Skyward-Build-System-(SBS))): open `sbs.conf` (in the top folder), go to the end of the file and write:
+To compile your entrypoint you must add it to the build system (called [SBS](Skyward-Build-System-(SBS))): open `CMakeLists.txt` (in the top folder), go to the end of the file and write:
 
-```
-[led-blink]
-Type:       board
-BoardId:    stm32f407vg_stm32f4discovery
-BinName:    led-blink
-Include:    
-Defines:    
-Main:       led-blink
+```cmake
+add_executable(led-blink src/entrypoints/led-blink.cpp)
+sbs_target(led-blink stm32f407vg_stm32f4discovery)
 ```
 
 Now compile:
 
 ```
-./sbs -b led-blink -v
+./sbs -b led-blink
 ```
-> :warning: **WARNING: In this and the following examples we are assuming that you will run the code on an STM32F407VG Discovery board: if that is not the case, you should change the `BoardId` field in the `sbs.conf` file. The possible board IDs are defined at the beginning of the file.**
+> :warning: **WARNING: In this and the following examples we are assuming that you will run the code on an STM32F407VG Discovery board: if that is not the case, you should change the value of the argument of `sbs_target` in the `CMakeLists.txt` file. You can see a list of the possible board IDs using the SBS script: `./sbs -r`.**
 
 ## Flash on a board
 
-Now the program is ready to be executed on the target you chose. To do that, you need to: 
+Now the program is ready to be executed on the target you chose. To do that, you need to:
 
 * Plug the board to your PC (may need drivers to be recognized)
 * Open the STM32 utility software
 * Target > Connect
-* Target > Program and choose `bin/led-blink/led-blink.elf` 
+* Target > Program and choose `build/led-blink.elf`
 * Program 
 
-Restart the board and look at the led blinking.  
+Or using the SBS script:
+
+```sh
+./sbs -f led-blink
+```
+
+Restart the board and look at the led blinking.
   
 If something went wrong, try looking at [how to flash on a target board](Flashing-on-a-Target-Board).