Create README.md

Author: camilleherrmann

README.md

@@ -0,0 +1,21 @@
+# HERO-MDH-Internship_Summer2022_SW_HW_Accel
+
+In this branch we'll extend the AXI data width.
+
+The AXI data width can be change directly in the configuration of the matmul_kernel.prj
+
+![image](https://user-images.githubusercontent.com/107047264/176856378-cdc29b24-d837-425c-bafe-82ed94ece6a2.png)
+
+
+Then build the project and it should change the size in the project configuration, here the matmul-compile.cfg:
+
+![image](https://user-images.githubusercontent.com/107047264/176856544-405e517d-e926-4441-8ef3-f2dc42ce9a23.png)
+
+
+In the case where the file isn't modify the project need to be rebuild. 
+
+In our case datas are in 16 bits, with an AXI data width of 32 bits we can see 2 datas (first ones between 0 to 15 below the red line and the second ones above the line) 
+in the same bus while checking with Vivado waveform.
+
+![image](https://user-images.githubusercontent.com/107047264/176856269-e06688bd-00c7-4d0a-82d5-8e976ea44088.png)
+