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(feat) Add basic mimxrt support. #402

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(feat) Add basic mimxrt support. #402

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8 changes: 8 additions & 0 deletions lv_conf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -114,7 +114,9 @@
#define LV_DRAW_BUF_STRIDE_ALIGN 1

/** Align start address of draw_buf addresses to this bytes*/
#ifndef LV_DRAW_BUF_ALIGN
#define LV_DRAW_BUF_ALIGN 4
#endif

/** Using matrix for transformations.
* Requirements:
Expand Down Expand Up @@ -249,14 +251,20 @@
#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.*/
#ifndef LV_USE_DRAW_PXP
#define LV_USE_DRAW_PXP 1
#endif

/** Use PXP to rotate display.*/
#ifndef LV_USE_ROTATE_PXP
#define LV_USE_ROTATE_PXP 0
#endif

#if LV_USE_DRAW_PXP && LV_USE_OS
/** Use additional draw thread for PXP processing.*/
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22 changes: 20 additions & 2 deletions micropython.mk
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Original file line number Diff line number Diff line change
@@ -1,9 +1,13 @@

################################################################################
# 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 Down Expand Up @@ -43,7 +47,21 @@ 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

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

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