## NEEDS: LIBRARY, SKETCH, ROOT, SOURCEDIR
## Should be included when the current directory is the dir of the Sketch.

case "$0" in
    */settings.sh)
        echo "This file must be included, never run directly!" >&2
        exit 1
        ;;
esac

SKETCH="${SKETCH:-${DEFAULT_SKETCH}}"
LIBRARY="${LIBRARY:-${SKETCH}}"

if [ -z "${SKETCH}" ] || [ -z "${LIBRARY}" ] || [ -z "${ROOT}" ] || [ -z "${SOURCEDIR}" ]; then
    echo "SKETCH, LIBRARY, SOURCEDIR, and ROOT need to be set before including this file!" >&2
    exit 1
fi


########
######## Keyboard hardware definitions
########



BOARD="${BOARD:-model01}"
MCU="${MCU:-atmega32u4}"
FQBN="${FQBN:-keyboardio:avr:${BOARD}}"



########
######## Host OS specific commands
########


## Platform-specific overrides
# Shamelessly stolen from git's Makefile
uname_S=$(uname -s 2>/dev/null || echo not)



DEVICE_PORT="$(ls /dev/ttyACM* 2>/dev/null || echo '')"
DEVICE_PORT_BOOTLOADER="$(ls /dev/ttyACM* 2>/dev/null || echo '')"
RESET_DEVICE="stty -F ${DEVICE_PORT} 1200 hupcl"
MD5="md5sum"


if [ "${uname_S}" = "Darwin" ]; then
    DEVICE_PORT="$(ls /dev/cu.usbmodemHID?? /dev/cu.usbmodem14* 2> /dev/null || echo '')"
    DEVICE_PORT_BOOTLOADER="$(ls /dev/cu.usbmodem14* 2> /dev/null || echo '')"
    RESET_DEVICE="stty -f ${DEVICE_PORT} 1200"


    ARDUINO_PATH="${ARDUINO_PATH:-/Applications/Arduino.app/Contents/Java/}"
    ARDUINO_LOCAL_LIB_PATH="${ARDUINO_LOCAL_LIB_PATH:-${HOME}/Documents/Arduino}"

    MD5="md5"

fi



######
###### Arduino tools configuration
######

ARDUINO_PATH="${ARDUINO_PATH:-/usr/local/arduino}"
ARDUINO_LOCAL_LIB_PATH="${ARDUINO_LOCAL_LIB_PATH:-${HOME}/Arduino}"
ARDUINO_TOOLS_PATH="${ARDUINO_TOOLS_PATH:-${ARDUINO_PATH}/hardware/tools}"
ARDUINO_BUILDER="${ARDUINO_BUILDER:-${ARDUINO_PATH}/arduino-builder}"
ARDUINO_IDE_VERSION="100607"

######
###### Executable paths
######

AVR_SIZE="${AVR_SIZE:-${ARDUINO_TOOLS_PATH}/avr/bin/avr-size}"
AVR_NM="${AVR_NM:-${ARDUINO_TOOLS_PATH}/avr/bin/avr-nm}"
AVR_OBJDUMP="${AVR_OBJDUMP:-${ARDUINO_TOOLS_PATH}/avr/bin/avr-objdump}"


######
###### Source files and dependencies
######


BOARD_HARDWARE_PATH="${BOARD_HARDWARE_PATH:-${ARDUINO_LOCAL_LIB_PATH}/hardware}"
BOOTLOADER_PATH="${BOOTLOADER_PATH:-${BOARD_HARDWARE_PATH}/keyboardio/avr/bootloaders/caterina/Caterina.hex}"


######
###### Build and output configuration
######

build_version () {
	GIT_VERSION="$(cd $(find_sketch); git describe --abbrev=4 --dirty --always)"
	LIB_VERSION="$(cd $(find_sketch); (grep version= ../../library.properties 2>/dev/null || echo version=0.0.0) | cut -d= -f2)-g${GIT_VERSION}"
	
	BUILD_PATH="${BUILD_PATH:-$(mktemp -d 2>/dev/null || mktemp -d -t 'build')}"
	OUTPUT_DIR="${OUTPUT_DIR:-output/${LIBRARY}}"
	OUTPUT_PATH="${OUTPUT_PATH:-${SOURCEDIR}/${OUTPUT_DIR}}"
}

build_filenames () {
	OUTPUT_FILE_PREFIX="${SKETCH}-${LIB_VERSION}"
	HEX_FILE_PATH="${OUTPUT_PATH}/${OUTPUT_FILE_PREFIX}.hex"
	HEX_FILE_WITH_BOOTLOADER_PATH="${OUTPUT_PATH}/${OUTPUT_FILE_PREFIX}-with-bootloader.hex"
	ELF_FILE_PATH="${OUTPUT_PATH}/${OUTPUT_FILE_PREFIX}.elf"
}





ARDUINO_TOOLS_PARAM="-tools ${ARDUINO_TOOLS_PATH}"
if [ -z "${ARDUINO_TOOLS_PATH}" ]; then
    ARDUINO_TOOLS_PARAM=""
fi

if [ ! -z "${AVR_GCC_PREFIX}" ]; then
    ARDUINO_AVR_GCC_PREFIX_PARAM="-prefs \"runtime.tools.avr-gcc.path=${AVR_GCC_PREFIX}\""
fi

if [ ! -z "${VERBOSE}" ] && [ "${VERBOSE}" -gt 0 ]; then
    ARDUINO_VERBOSE="-verbose"
else
    ARDUINO_VERBOSE="-quiet"
fi