Create readme.md

StackRduino · web-flow · commit 118029d1d596 · 2020-12-16T19:53:39.000+08:00
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+# StackRduino M0 PRO UF2 bootloader 
+## Repository for building Adafruit UF2 bootloader for the StackRduino M0 PRO .
+
+### Step 1 - Clone Repository and Set Up Environment
+```
+git clone https://github.com/adafruit/uf2-samdx1
+cd uf2-samdx1
+```
+
+### Step 2 Install ARM-Cross Compilers
+```
+sudo add-apt-repository ppa:team-gcc-arm-embedded/ppa
+sudo apt-get update
+sudo apt-get install gcc-arm-embedded
+```
+
+## Step 3 Compile Board
+```
+make BOARD=stackrduino_m0_pro
+```
+
+## Updating Firmware
+### Option 1
+Attach StackRduino M0 PRO to your computer via USB.
+Double Tap 'reset' button to put board into UF2 Bootloader mode
+Download the update-bootloader-M0-PRO uf2 file 
+Copy update-bootloader-M0-PRO.uf2 to the USB Drive called "StackRduino"
+Done.
+### Option 2
+Attach StackRduino M0 PRO to your computer via USB.
+Download the  update-bootloader-M0-PRO ino file 
+Open the file using the Arduino ide and select the board and port for the StackRduino M0 pro.
+Upload the bootloader via normall upload icon
+Done.
