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(feat) Add basic mimxrt support. #402

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(feat) Add basic mimxrt support. #402

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4 changes: 4 additions & 0 deletions lv_conf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -228,7 +228,9 @@
#endif

/** Use NXP's VG-Lite GPU on iMX RTxxx platforms. */
#ifndef LV_USE_DRAW_VGLITE
#define LV_USE_DRAW_VGLITE 0
#endif

#if LV_USE_DRAW_VGLITE
/** Enable blit quality degradation workaround recommended for screen's dimension > 352 pixels. */
Expand All @@ -249,7 +251,9 @@
#endif

/** Use NXP's PXP on iMX RTxxx platforms. */
#ifndef LV_USE_PXP
#define LV_USE_PXP 0
#endif

#if LV_USE_PXP
/** Use PXP for drawing.*/
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26 changes: 22 additions & 4 deletions micropython.mk
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Original file line number Diff line number Diff line change
@@ -1,9 +1,12 @@
################################################################################
# LVGL port Support
MICROPY_PORT = $(notdir $(CURDIR))

ifeq ($(MICROPY_PORT),unix)
################################################################################
# LVGL unix optional libraries
# Update CFLAGS_USERMOD and LDFLAGS_USERMOD for LVGL extenral library,
# but do that only on the unix port, for unix specific dependencies
ifeq ($(notdir $(CURDIR)),unix)
ifneq ($(UNAME_S),Darwin)
CFLAGS_USERMOD += -DMICROPY_FB=1
endif
Expand All @@ -15,7 +18,7 @@ CFLAGS_USERMOD += $(SDL_CFLAGS_USERMOD) -DMICROPY_SDL=1
LDFLAGS_USERMOD += $(SDL_LDFLAGS_USERMOD)
endif

# Avoid including unwanted local headers other than sdl2
# Avoid including unwanted local headers other than sdl2
ifeq ($(UNAME_S),Darwin)
CFLAGS_USERMOD:=$(filter-out -I/usr/local/include,$(CFLAGS_USERMOD))
endif
Expand Down Expand Up @@ -43,7 +46,22 @@ endif
# LDFLAGS_USERMOD += $(FFMPEG_LDFLAGS_USERMOD)
# endif

endif
endif # unix support

ifeq ($(MICROPY_PORT),mimxrt)
CFLAGS_USERMOD += -DLV_USE_PXP=1 -DLV_USE_DRAW_PXP=1 -DLV_USE_GPU_NXP_PXP=1 -DLV_USE_GPU_NXP_PXP_AUTO_INIT=1

# Depending on how the USER_C_MODULE is declared the object files inside build can be based on
# absolute or relative paths under this directory.
MOD_ABSPATH := $(abspath $(USERMOD_DIR))
MOD_DIRNAME := $(notdir $(MOD_ABSPATH))
$(BUILD)/$(MOD_ABSPATH)/lvgl/src/draw/nxp/pxp/lv_draw_pxp.o: CFLAGS_USERMOD += -Wno-error=unused-variable
$(BUILD)/$(MOD_DIRNAME)/lvgl/src/draw/nxp/pxp/lv_draw_pxp.o: CFLAGS_USERMOD += -Wno-error=unused-variable
$(BUILD)/$(MOD_ABSPATH)/lvgl/src/draw/nxp/pxp/lv_draw_pxp_img.o: CFLAGS_USERMOD += -Wno-error=float-conversion
$(BUILD)/$(MOD_DIRNAME)/lvgl/src/draw/nxp/pxp/lv_draw_pxp_img.o: CFLAGS_USERMOD += -Wno-error=float-conversion

endif # mimxrt support


################################################################################

Expand Down Expand Up @@ -76,7 +94,7 @@ CFLAGS_USERMOD += -DLV_CONF_PATH='"$(LV_CONF_PATH)"'
# CFLAGS DEBUG
$(info CFLAGS_USERMOD is $(CFLAGS_USERMOD))

$(LVGL_MPY): $(ALL_LVGL_SRC) $(LVGL_BINDING_DIR)/gen/gen_mpy.py
$(LVGL_MPY): $(ALL_LVGL_SRC) $(LVGL_BINDING_DIR)/gen/gen_mpy.py
$(ECHO) "LVGL-GEN $@"
$(Q)mkdir -p $(dir $@)
$(Q)$(CPP) $(CFLAGS_USERMOD) -DPYCPARSER -x c -I $(LVGL_BINDING_DIR)/pycparser/utils/fake_libc_include $(INC) $(LVGL_DIR)/lvgl.h > $(LVGL_PP)
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