Merge pull request #310 from 3d-gussner/Main_PR-SIZE

Update PR size to show

.github/workflows/pr-size.sh

@@ -10,7 +10,7 @@ test -x "$AVR_SIZE" || exit 2
 
 avr_size()
 {
-    "$AVR_SIZE" --mcu=atmega2560 -C "$@"
+    "$AVR_SIZE" --mcu=atmel32u4 -C "$@"
 }
 
 avr_flash()
@@ -24,10 +24,15 @@ avr_ram()
 }
 
 cat <<EOF > "$MESSAGE"
-| ΔFlash (bytes) | ΔSRAM (bytes) |
-| -------------- | ------------- |
+All values in bytes. Δ Delta to base
+
+| ΔFlash | ΔSRAM | Used Flash | Used SRAM | Free Flash | Free SRAM |
+| ------ | ----- | -----------| --------- | ---------- | --------- |
 EOF
 
+atmel32u4_max_upload_size=$(grep "prusa_mm_control.upload.maximum_size=" .dependencies/prusa3dboards-*/boards.txt | cut -d "=" -f2)
+atmel32u4_max_upload_data_size=$(grep "prusa_mm_control.upload.maximum_data_size=" .dependencies/prusa3dboards-*/boards.txt | cut -d "=" -f2)
+
 base_bin=$(echo ${BASE_DIR}/firmware)
 base_flash=$(avr_flash "$base_bin")
 base_ram=$(avr_ram "$base_bin")
@@ -39,4 +44,7 @@ pr_ram=$(avr_ram "$pr_bin")
 flash_d=$(($pr_flash - $base_flash))
 ram_d=$(($pr_ram - $base_ram))
 
-echo "| $flash_d | $ram_d |" >> "$MESSAGE"
+flash_free=$(($atmel32u4_max_upload_size - $pr_flash))
+ram_free=$(($atmel32u4_max_upload_data_size - $pr_ram))
+
+echo "| $flash_d | $ram_d | $pr_flash | $pr_ram | $flash_free | $ram_free |" >> "$MESSAGE"