compute free flash

Author: mean

Platform/Core/Targets/ArduinoFirmwareTargetCreatorStm32.cmake

@@ -136,6 +136,11 @@ function(create_arduino_firmware_target TARGET_NAME BOARD_ID ALL_SRCS ALL_LIBS
             ${TARGET_NAME}.bin
             COMMENT "Generating BIN image"
             VERBATIM)
+    add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
+            COMMAND bash ${CMAKE_SOURCE_DIR}/cmake/freeFrash.bash
+            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+            COMMENT "Computing free flash "
+            VERBATIM)
 #_get_board_property(${BOARD_ID} build.mcu MCU)
     # Display target size
     #add_custom_command(TARGET ${TARGET_NAME} POST_BUILD

freeFrash.bash

@@ -0,0 +1,5 @@
+export EEPROM=` grep "\.eeprom" *.map | sed 's/.eeprom *//g' | sed 's/ [ \t]*0x.*$//g' `
+export TAIL=` grep 0x0000000008 *.map | sed 's/^.*0x0000000008/0x0000000008/g' | sed 's/ .*//g' | sort  | grep -v ${EEPROM} | tail -1`
+export FREE=$(($EEPROM-$TAIL))
+echo "Tail : [$TAIL] EEPROM [$EEPROM] FREE ${FREE}"
+printf "Free Flash = %d kB\n" $(($FREE/1024))