#-------------------------------------------------
# Complement to Arduino.mk
# Include this ADD-ON BEFORE Arduino.mk
#-------------------------------------------------
# RTOS install: use the feilipu/Arduino_FreeRTOS_Library
# (rtos fork dedicated to arduino)
#
#-------------------------------------------------
# (obsolete)
# git clone https://github.com/feilipu/Arduino_FreeRTOS_Library.git
# version 10.0.0-10, used in 2018 for testing
# RTOS_TOP=/usr/local/tools/lustre/arduino/Arduino_FreeRTOS_Library/src

# Current install 
# Still feilipu fork, became 'official' arhuino/freertos implem
# can be download from arduino site
# https://www.arduino.cc/reference/en/libraries/freertos/

ifndef RTOS_TOP
$(error RTOS_TOP must point to a suitable FreeRTOS/src folder)
endif

# rtos sys tick is based on the Watchdog timer
# define RTOS_TICK before including this makefile to change default 15ms
# possible values are 15MS, 30MS, 60MS, 120MS, 250MS, 500MS, 1S, 2S 

OBJDIR=./objs

ifndef RTOS_TICK
RTOS_TICK=15MS
endif
RTOS_FLAGS=-DportUSE_WDTO=WDTO_${RTOS_TICK}

#-------------------------------------------------
# compilation, arduino rtos.a
# These are all the .o files for rtos.a
#-------------------------------------------------
RTOS_OBJS=\
  $(OBJDIR)/event_groups.o \
  $(OBJDIR)/heap_3.o \
  $(OBJDIR)/list.o \
  $(OBJDIR)/port.o \
  $(OBJDIR)/queue.o \
  $(OBJDIR)/stream_buffer.o \
  $(OBJDIR)/tasks.o \
  $(OBJDIR)/timers.o \
  $(OBJDIR)/variantHooks.o

#  $(OBJDIR)/croutine.o \

# Sources are either .c or .cpp, in RTOS_TOP
$(OBJDIR)/%.o: $(RTOS_TOP)/%.c
	$(CC) $(CC_FLAGS) $(RTOS_FLAGS) $(INCLS) $< -o $@ 

$(OBJDIR)/%.o: $(RTOS_TOP)/%.cpp
	$(CPP) $(CPP_FLAGS) $(RTOS_FLAGS) $(INCLS) $< -o $@ 

# build the library 

$(OBJDIR)/rtos.a: $(RTOS_OBJS)
	$(AR) rcs $@ $(RTOS_OBJS)

USR_LIBS+=$(OBJDIR)/rtos.a
USR_INCLS+=-I$(RTOS_TOP)