1import os
2
3# toolchains options
4ARCH='arm'
5CPU='cortex-m4'
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 = 'SAMD51'
14# DEVICE_TYPE = '__SAMD51J19A__'
15DEVICE_TYPE = '__SAMD51P19A__'
16DEVICE_PART = 'samd51'
17
18# cross_tool provides the cross compiler
19# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
20if  CROSS_TOOL == 'gcc':
21    PLATFORM    = 'gcc'
22    EXEC_PATH   = r'C:/workspace/tools/embedcpp/xpack-arm-none-eabi-gcc-10.2.1-1.1/bin'
23elif CROSS_TOOL == 'keil':
24    PLATFORM    = 'armcc'
25    EXEC_PATH   = r'C:/Keil_v5'
26elif CROSS_TOOL == 'iar':
27    PLATFORM    = 'iccarm'
28    EXEC_PATH   = r'C:/Program Files (x86)/IAR Systems/Embedded Workbench 8.3'
29
30if os.getenv('RTT_EXEC_PATH'):
31    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
32
33BUILD = 'debug'
34
35if PLATFORM == 'gcc':
36    # toolchains
37    PREFIX = 'arm-none-eabi-'
38    CC = PREFIX + 'gcc'
39    AS = PREFIX + 'gcc'
40    AR = PREFIX + 'ar'
41    CXX = PREFIX + 'g++'
42    LINK = PREFIX + 'gcc'
43    TARGET_EXT = 'elf'
44    SIZE = PREFIX + 'size'
45    OBJDUMP = PREFIX + 'objdump'
46    OBJCPY = PREFIX + 'objcopy'
47
48    DEVICE = ' -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -mlong-calls'
49    CFLAGS = DEVICE + ' -Dgcc'
50    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
51    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread-' + DEVICE_PART + '.map,-cref,-u,Reset_Handler -T bsp/samd51a/gcc/gcc/samd51p19a_flash.ld'
52
53    CPATH = ''
54    LPATH = ''
55
56    if BUILD == 'debug':
57        CFLAGS += ' -O0 -gdwarf-2 -g'
58        AFLAGS += ' -gdwarf-2'
59    else:
60        CFLAGS += ' -O2'
61
62    CXXFLAGS = CFLAGS
63    CFLAGS += ' -std=c99'
64
65    POST_ACTION = OBJCPY + ' -O binary $TARGET rt-thread-' + DEVICE_PART + '.bin\n' + SIZE + ' $TARGET \n'
66
67