import os
import rtconfig

RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')

if rtconfig.CC == 'armcc':
	device = '--device DARMSTM'
	device_type = 'STM32F10X_HD'

	# assemble flag for ARCC(Keil)
	aflags = '--dwarf2 ' + device
	cc_path = 'C:/Keil'
	cc_exec_path = cc_path + '/arm/bin40/'
	cc_cpath = cc_path + '/ARM/RV31/INC'
	# compiler flag for ARMCC(Keil)
	cc_cflags = '-g -O0 --apcs=interwork ' + device + ' -DUSE_STDPERIPH_DRIVER -DSTM32F10X_HD'
	cc_lflags = ' --keep __fsym_* --keep __vsym_* --info sizes --info totals --info unused --info veneers --list rtthread-stm32.map --scatter stm32_rom.sct --libpath ' + cc_path + '/ARM/RV31/LIB'
	cc_target = 'rtthread-stm32.axf'
elif rtconfig.CC == 'gcc':
	device = '-mcpu=cortex-m3'
	device_type = 'STM32F10X_HD'

	aflags = device + ' -c -gdwarf-2 -mthumb -x assembler-with-cpp'
	cc_path = ''
	cc_cpath = ''
	cc_exec_path = 'd:/codesourcery/bin'
	cc_cflags = device + ' -mthumb -gdwarf-2 -DUSE_STDPERIPH_DRIVER -DSTM32F10X_HD -D__thumb__ -Wall -nostdinc -fno-builtin'
	cc_lflags = cc_cflags + ' -MMD -MP -MF -static -nostdlib -Wl,--gc-sections,-Map=main.elf.map,-cref,-u,Reset_Handler -T stm32_rom.ld --output rtthread-stm32.elf'
	cc_target = 'rtthread-stm32.elf'
elif rtconfig.CC == 'iar':
	device = ''
	device_type = 'STM32F10X_HD'

	aflags = ''
	cc_path = ''
	cc_cpath = ''
	cc_exec_path = ''
	cc_cflags = device + ''
	cc_lflags = ''
	cc_target = 'rtthread-stm32.elf'

aflags = aflags
cflags = cc_cflags

# search path for C compiler 
cpath  = [RTT_ROOT + '/bsp/stm3210']

# link flag
lflags = device + cc_lflags

if rtconfig.CC == 'armcc':
	env = Environment(tools = ['mingw'], 
	    AS='armasm', ASFLAGS = aflags,
	    CC='armcc', CCFLAGS = cflags, CPPPATH = cpath,
	    AR='armar', ARFLAGS = '-rc',
	    LINK='armlink', LINKFLAGS=lflags)
	env.PrependENVPath('PATH', cc_exec_path)

if rtconfig.CC == 'gcc':
	env = Environment(tools = ['mingw'], 
	    AS='arm-none-eabi-gcc', ASFLAGS = aflags,
	    CC='arm-none-eabi-gcc', CCFLAGS = cflags, CPPPATH = cpath,
	    AR='arm-none-eabi-ar', ARFLAGS = '-rc',
	    LINK='arm-none-eabi-gcc', LINKFLAGS=lflags)
	env.PrependENVPath('PATH', cc_exec_path)

Export('env')
Export('RTT_ROOT')
Export('rtconfig')

objs = SConscript(RTT_ROOT + '/src/SConscript', variant_dir='build/src', duplicate=0)
objs = objs + SConscript(RTT_ROOT + '/libcpu/SConscript', variant_dir='build/libcpu', duplicate=0)
objs = objs + SConscript(RTT_ROOT + '/bsp/stm3210/Libraries/SConscript', variant_dir='build/Libraries', duplicate=0)

if rtconfig.RT_USING_MINILIBC:
	objs = objs + SConscript(RTT_ROOT + '/libc/minilibc/SConscript', variant_dir='build/minilibc', duplicate=0)

if rtconfig.RT_USING_FINSH:
	objs = objs + SConscript(RTT_ROOT + '/finsh/SConscript', variant_dir='build/finsh', duplicate=0)

if rtconfig.RT_USING_DFS:
	objs = objs + SConscript(RTT_ROOT + '/filesystem/dfs/SConscript', variant_dir='build/filesystem', duplicate=0)

if rtconfig.RT_USING_LWIP:
	objs = objs + SConscript(RTT_ROOT + '/net/lwip/SConscript', variant_dir='build/net/lwip', duplicate=0)

source_bsp = ['application.c', 'startup.c', 'board.c', 'stm32f10x_it.c']
source_drv = ['rtc.c', 'usart.c']

if rtconfig.RT_USING_DFS:
	if device_type == 'STM32F10X_HD':
		source_drv = source_drv + ['sdcard.c']
	else:
		source_drv = source_drv + ['msd.c']

if rtconfig.RT_USING_LWIP:
	if device_type == 'STM32F10X_CL':
		source_drv = source_drv + ['stm32_eth.c']
	else:
		source_drv = source_drv + ['enc28j60.c']

objs = objs + env.Object(source_bsp + source_drv)

env.Program(cc_target, objs)