Comment, clean up some PlatformIO scripts

This commit is contained in:
Scott Lahteine 2021-03-22 23:58:03 -05:00
parent 30e7e2c276
commit 832059967c
4 changed files with 23 additions and 10 deletions

View file

@ -40,7 +40,7 @@ _Min_Stack_Size = 0x400;; /* required amount of stack */
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x8000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
FLASH (rx) : ORIGIN = 0x08000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = LD_MAX_DATA_SIZE
CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 64K
}

View file

@ -1,5 +1,6 @@
# Generate the firmware as OpenBLT needs
#
# Convert the ELF to an SREC file suitable for some bootloaders
#
import os,sys
from os.path import join

View file

@ -7,18 +7,28 @@ Import("env")
from SCons.Script import DefaultEnvironment
board = DefaultEnvironment().BoardConfig()
#
# Copy the firmware.bin file to build.firmware, no encryption
#
def noencrypt(source, target, env):
firmware = os.path.join(target[0].dir.path, board.get("build.firmware"))
shutil.copy(target[0].path, firmware)
#
# For build.offset define LD_FLASH_OFFSET, used by ldscript.ld
#
if 'offset' in board.get("build").keys():
LD_FLASH_OFFSET = board.get("build.offset")
# Remove an existing VECT_TAB_OFFSET from CPPDEFINES
for define in env['CPPDEFINES']:
if define[0] == "VECT_TAB_OFFSET":
env['CPPDEFINES'].remove(define)
# Replace VECT_TAB_OFFSET with our LD_FLASH_OFFSET
env['CPPDEFINES'].append(("VECT_TAB_OFFSET", LD_FLASH_OFFSET))
# Get upload.maximum_ram_size (defined by /buildroot/share/PlatformIO/boards/VARIOUS.json)
maximum_ram_size = board.get("upload.maximum_ram_size")
for i, flag in enumerate(env["LINKFLAGS"]):
@ -27,7 +37,9 @@ if 'offset' in board.get("build").keys():
if "-Wl,--defsym=LD_MAX_DATA_SIZE" in flag:
env["LINKFLAGS"][i] = "-Wl,--defsym=LD_MAX_DATA_SIZE=" + str(maximum_ram_size - 40)
#
# Only copy the file if there's no encrypt
#
board_keys = board.get("build").keys()
# Only copy file if there's no encryptation
if 'firmware' in board_keys and not 'encrypt' in board_keys:
env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", noencrypt)

View file

@ -60,7 +60,7 @@ MEMORY
{
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = LD_MAX_DATA_SIZE
CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 64K
FLASH (rx) : ORIGIN = 0x8000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
FLASH (rx) : ORIGIN = 0x08000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
}
/* Define output sections */