mydir=$(readlink -f "$0")

mydir=$(dirname "$mydir")

codebasedir=$(readlink -f "$mydir"/..) # build process needs absolute paths

target="$1"

buildtype="$2"

subtarget="$3"

if [ -z "$target" ]; then

echo "Usage: $0 target"

echo "Usage: $0 <esp32 or unix or macOS>"

echo "Example: $0 unix"

echo "Example: $0 macOS"

echo "Example: $0 esp32"

echo

exit 1

echo "Fetch tags for lib/SDL, otherwise lvgl_micropython's make.py script can't checkout a specific tag..."

pushd "$codebasedir"/lvgl_micropython/lib/SDL

git fetch --unshallow origin 2>/dev/null # will give error if already done

git fetch origin 'refs/tags/*:refs/tags/*'

idfile="$codebasedir"/lvgl_micropython/lib/micropython/ports/esp32/main/idf_component.yml

echo "Patching $idfile"...

echo "Check need to add esp32-camera..."

if ! grep esp32-camera "$idfile"; then

echo "Adding esp32-camera to $idfile"

echo " mpos/esp32-camera:

git: https://github.com/MicroPythonOS/esp32-camera" >> "$idfile"

echo "No need to add esp32-camera to $idfile"

echo "Resulting file:"

cat "$idfile"

echo "Check need to add esp_rlottie"

if false; then

echo "Adding esp_rlottie to $idfile"

echo " esp_rlottie:

git: https://github.com/MicroPythonOS/esp_rlottie" >> "$idfile"

echo "Resulting file:"

cat "$idfile"

echo "No need to add esp_rlottie to $idfile"

echo "Check need to add lvgl_micropython manifest to micropython-camera-API's manifest..."

camani="$codebasedir"/micropython-camera-API/src/manifest.py

rellvglmani=lvgl_micropython/build/manifest.py

abslvglmani="$codebasedir"/"$rellvglmani"

if ! grep "$rellvglmani" "$camani"; then

echo "Adding include(\"$abslvglmani\") to $camani"

echo >> "$camani" # needs newline because file doesn't have newline at the end

echo "include(\"$abslvglmani\") # workaround to prevent micropython-camera-API from overriding the lvgl_micropython manifest..." >> "$camani"

echo "Resulting file:"

cat "$camani"

echo "No need to add include(\"$abslvglmani\") to $camani"

echo "Check need to add asyncio..."

manifile="$codebasedir"/lvgl_micropython/lib/micropython/ports/unix/variants/manifest.py

if ! grep asyncio "$manifile"; then

echo "Adding asyncio to $manifile"

echo 'include("$(MPY_DIR)/extmod/asyncio") # needed to have asyncio, which is used by aiohttp, which has used by websockets' >> "$manifile"

echo "Resulting file:"

cat "$manifile"

echo "No need to add asyncio to $manifile"

echo "Symlinking secp256k1-embedded-ecdh for unix and macOS builds..."

ln -sf ../../secp256k1-embedded-ecdh "$codebasedir"/lvgl_micropython/ext_mod/secp256k1-embedded-ecdh

echo "Symlinking c_mpos for unix and macOS builds..."

ln -sf ../../c_mpos "$codebasedir"/lvgl_micropython/ext_mod/c_mpos

echo "Refreshing freezefs..."

"$codebasedir"/scripts/freezefs_mount_builtin.sh

manifest=""

if [ "$target" == "esp32" ]; then

manifest=$(readlink -f "$codebasedir"/manifests/manifest.py)

frozenmanifest="FROZEN_MANIFEST=$manifest"

echo "Note that you can also prevent the builtin filesystem from being mounted by umounting it and creating a builtin/ folder."

# Build for https://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-2.

# See https://github.com/lvgl-micropython/lvgl_micropython

# --ota: support Over-The-Air updates

# --partition size: both OTA partitions are 4MB

# --flash-size: total flash size is 16MB

# --debug: enable debugging from ESP-IDF but makes copying files to it very slow

# --dual-core-threads: disabled GIL, run code on both CPUs

# --task-stack-size={stack size in bytes}

# CONFIG_* sets ESP-IDF options

# listing processes on the esp32 still doesn't work because no esp32.vtask_list_threads() or something

# CONFIG_FREERTOS_USE_TRACE_FACILITY=y

# CONFIG_FREERTOS_VTASKLIST_INCLUDE_COREID=y

# CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y

pushd "$codebasedir"/lvgl_micropython/

rm -rf lib/micropython/ports/esp32/build-ESP32_GENERIC_S3-SPIRAM_OCT/

python3 make.py --ota --partition-size=4194304 --flash-size=16 esp32 BOARD=ESP32_GENERIC_S3 BOARD_VARIANT=SPIRAM_OCT DISPLAY=st7789 INDEV=cst816s USER_C_MODULE="$codebasedir"/micropython-camera-API/src/micropython.cmake USER_C_MODULE="$codebasedir"/secp256k1-embedded-ecdh/micropython.cmake USER_C_MODULE="$codebasedir"/c_mpos/micropython.cmake CONFIG_FREERTOS_USE_TRACE_FACILITY=y CONFIG_FREERTOS_VTASKLIST_INCLUDE_COREID=y CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y "$frozenmanifest"

popd

echo "Grepping..."

pwd

grep FrameSize.R480X480 -nril .

elif [ "$target" == "unix" -o "$target" == "macOS" ]; then

manifest=$(readlink -f "$codebasedir"/manifests/manifest.py)

frozenmanifest="FROZEN_MANIFEST=$manifest"

# Comment out @micropython.viper decorator for Unix/macOS builds

# (cross-compiler doesn't support Viper native code emitter)

echo "Temporarily commenting out @micropython.viper decorator for Unix/macOS build..."

stream_wav_file="$codebasedir"/internal_filesystem/lib/mpos/audio/stream_wav.py

sed -i.backup 's/^@micropython\.viper$/#@micropython.viper/' "$stream_wav_file"

#if [ "$target" == "unix" ]; then

if false; then

# only on unix, because on macos, homebrew install rlottie fails so the compilation runs into: fatal error: 'rlottie_capi.h' file not found on macos"

# and on esp32, rlottie_create_from_raw() crashes the system

sed -i.backup 's/#define MICROPY_RLOTTIE 0/#define MICROPY_RLOTTIE 1/' "$codebasedir"/lvgl_micropython/lib/lv_conf.h

echo "After enabling MICROPY_RLOTTIE:"

cat "$codebasedir"/lvgl_micropython/lib/lv_conf.h

fi

# If it's still running, kill it, otherwise "text file busy"

pkill -9 -f /lvgl_micropy_unix

# LV_CFLAGS are passed to USER_C_MODULES (compiler flags only, no linker flags)

# STRIP= makes it so that debug symbols are kept

pushd "$codebasedir"/lvgl_micropython/

# USER_C_MODULE doesn't seem to work properly so there are symlinks in lvgl_micropython/extmod/

python3 make.py "$target" LV_CFLAGS="-g -O0 -ggdb" STRIP= DISPLAY=sdl_display INDEV=sdl_pointer INDEV=sdl_keyboard "$frozenmanifest"

popd

# Restore RLOTTIE:

if [ "$target" == "unix" ]; then

sed -i.backup 's/#define MICROPY_RLOTTIE 1/#define MICROPY_RLOTTIE 0/' "$codebasedir"/lvgl_micropython/lib/lv_conf.h

#echo "After disabling MICROPY_RLOTTIE:"

#cat "$codebasedir"/lvgl_micropython/lib/lv_conf.h

fi

# Restore @micropython.viper decorator after build

echo "Restoring @micropython.viper decorator..."

sed -i.backup 's/^#@micropython\.viper$/@micropython.viper/' "$stream_wav_file"

echo "invalid target $target"