1import os
2
3# toolchains options
4ARCH='arm'
5CPU='cortex-m0'
6CROSS_TOOL='gcc'
7
8if os.getenv('RTT_CC'):
9    CROSS_TOOL = os.getenv('RTT_CC')
10if os.getenv('RTT_ROOT'):
11    RTT_ROOT = os.getenv('RTT_ROOT')
12
13DEVICE_SERIES = 'SAMC21'
14#DEVICE_SERIES = 'SAMC20'
15DEVICE_TYPE = '__SAMC21J18A__'
16#DEVICE_TYPE = '__SAMC21G18A__'
17DEVICE_PART = 'samc21'
18
19# cross_tool provides the cross compiler
20# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
21if  CROSS_TOOL == 'gcc':
22    PLATFORM    = 'gcc'
23    EXEC_PATH   = r'C:/workspace/tools/embedcpp/xpack-arm-none-eabi-gcc-10.2.1-1.1/bin'
24elif CROSS_TOOL == 'keil':
25    PLATFORM    = 'armcc'
26    EXEC_PATH   = r'C:/Keil_v5'
27elif CROSS_TOOL == 'iar':
28    PLATFORM    = 'iccarm'
29    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
30
31if os.getenv('RTT_EXEC_PATH'):
32    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
33
34BUILD = 'debug'
35
36if PLATFORM == 'gcc':
37    # toolchains
38    PREFIX = 'arm-none-eabi-'
39    CC = PREFIX + 'gcc'
40    AS = PREFIX + 'gcc'
41    AR = PREFIX + 'ar'
42    CXX = PREFIX + 'g++'
43    LINK = PREFIX + 'gcc'
44    TARGET_EXT = 'elf'
45    SIZE = PREFIX + 'size'
46    OBJDUMP = PREFIX + 'objdump'
47    OBJCPY = PREFIX + 'objcopy'
48
49    DEVICE = ' -mcpu=cortex-m0plus -mthumb -ffunction-sections -fdata-sections -mlong-calls'
50    CFLAGS = DEVICE + ' -Dgcc'
51    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
52    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread-' + DEVICE_PART + '.map,-cref,-u,Reset_Handler -T bsp/samc21/gcc/gcc/samc21j18a_flash.ld'
53
54    CPATH = ''
55    LPATH = ''
56
57    if BUILD == 'debug':
58        CFLAGS += ' -O0 -gdwarf-2 -g'
59        AFLAGS += ' -gdwarf-2'
60    else:
61        CFLAGS += ' -O2'
62
63    CXXFLAGS = CFLAGS
64    CFLAGS += ' -std=c99'
65
66    POST_ACTION = OBJCPY + ' -O binary $TARGET rt-thread-' + DEVICE_PART + '.bin\n' + SIZE + ' $TARGET \n'
67
68