from SCons.Script import *
import os
from tools.optionbyte import OptionByte

env_options = {
  'CC' : 'sdcc',
  'CXX': 'sdcpp',
  'LD' : 'sdld',
  'AR' : 'sdar',
  'RANLIB':'sdranlib',
  'OBJCOPY': 'sdobjcopy',
  'OBJSUFFIX':'.rel',
  'LIBSUFFIX':'.lib',
  'LIBPREFIX':'',
  'ARFLAGS':'rcs',
}

lib_build_path = 'build/library/'
app_build_path = 'build/app/'
out_build_path = 'build/out/'
app_path     = 'src'
lib_src_path = 'library/Libraries/STM8S_StdPeriph_Driver/src'
lib_inc_path = 'library/Libraries/STM8S_StdPeriph_Driver/inc'

lib_srcs     = []
for dirName, subDirs, fileList in os.walk(lib_src_path):
    if (dirName != lib_src_path):
        VariantDir(lib_build_path+os.path.basename(dirName), dirName, duplicate=0)
    for fn in fileList:
        if '.c' in fn and 'stm8s' not in fn:
            lib_srcs.append(lib_build_path+os.path.basename(dirName)+'/'+fn)

#lib_srcs     = [lib_build_path + i for i in os.listdir(lib_src_path) if '.c' in i]
app_srcs     = [app_build_path+i for i in os.listdir(app_path) if '.c' in i]

sdcc_base_path = os.path.dirname(os.popen('which sdcc').read())+'/../share/sdcc'
sdcc_inc_path  = sdcc_base_path+'/include'
sdcc_lib_path  = sdcc_base_path+'/lib/stm8'

defines      = ['STM8S103', 'SKIP_TRAPS=1']

#VariantDir(lib_build_path, lib_src_path, duplicate=0)
VariantDir(app_build_path, app_path, duplicate=0)

env = Environment(**env_options)
env.Append(ENV = {'PATH': os.environ['PATH']})
env.Append(CPPPATH=[lib_inc_path, app_path, sdcc_inc_path])
env.Append(CPPDEFINES=defines)
env.Append(CPPFLAGS=['-mstm8', '-ps103', '--out-fmt-ihx', '--opt-code-size']) 
env.Append(LINKFLAGS=['-mstm8','-ps103', '--out-fmt-ihx', '--opt-code-size'])
env.Append(LIBPATH=[sdcc_lib_path, lib_build_path])

libperi = env.Library(target=lib_build_path+'stm8stdlib.lib', source=lib_srcs)
app     = env.Program(target=out_build_path+'qumi.ihx', source=app_srcs, LIBS=[libperi, 'stm8'])


#clean operation
if GetOption("clean"):
    import shutil
    print "rm ", app_build_path
    if (os.path.exists(app_build_path)):
        shutil.rmtree(app_build_path)
    print 'rm ', lib_build_path
    if (os.path.exists(lib_build_path)):
        shutil.rmtree(lib_build_path)
    print 'rm ', out_build_path
    if (os.path.exists(out_build_path)):
        shutil.rmtree(out_build_path)
else:
    #make option binary file
    opt = OptionByte()
    opt.mkoption()