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83 lines
2.0 KiB
Diff
83 lines
2.0 KiB
Diff
From c87a500c45f36ad248b1298d63e590d1d7e74f12 Mon Sep 17 00:00:00 2001
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From: Yangbo Lu <yangbo.lu@nxp.com>
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Date: Tue, 3 Jul 2018 11:06:47 +0800
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Subject: [PATCH] rcw: support byte swapping without tclsh tool
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Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
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---
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Makefile | 4 ----
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byte_swap.py | 32 ++++++++++++++++++++++++++++++++
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qspi_swap.sh | 2 +-
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3 files changed, 33 insertions(+), 5 deletions(-)
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create mode 100755 byte_swap.py
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diff --git a/Makefile b/Makefile
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index 9f0587e..393bb2c 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -13,10 +13,6 @@ TCLSH := $(shell command -v tclsh 2> /dev/null)
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VER = $(shell git describe --tags)
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all install clean:
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-ifndef TCLSH
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- $(error "tclsh is not available. please install it.")
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- exit 1
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-endif
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@for board in $(BOARDS); do \
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$(MAKE) -C $$board $@ DESTDIR=$(DESTDIR)/$$board; \
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done
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diff --git a/byte_swap.py b/byte_swap.py
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new file mode 100755
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index 0000000..386310e
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--- /dev/null
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+++ b/byte_swap.py
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@@ -0,0 +1,32 @@
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+#!/usr/bin/env python
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+"""
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+Swap the 4/8 bytes endian except for PBI CRC
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+2016-10-9: Initial version
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+
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+Usage:
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+ ./byte_swap.py <file_name> <byte>
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+"""
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+import sys
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+
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+try:
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+ file_name = sys.argv[1]
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+ byte = int(sys.argv[2])
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+except:
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+ print("Usage: ./byte_swap.py <file_name> <byte>")
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+ print("E.g.: ./byte_swap.py rcw_1600.bin 8\n")
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+ exit
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+
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+with open(file_name,'rb') as file:
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+ tmp = file.read()
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+file.close()
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+
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+with open(file_name + '.swapped','wb') as file:
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+ for i in range(0, len(tmp) - 1, byte):
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+ if(tmp[i:i+4].encode('hex')) == "08610040":
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+ #print("PBI CRC command")
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+ file.write(tmp[i:i+8])
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+ break
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+ file.write(tmp[i:i+byte][::-1])
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+file.close()
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+
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+print("Swapped file: " + file_name + '.swapped')
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diff --git a/qspi_swap.sh b/qspi_swap.sh
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index 0b58e44..d23fd8b 100755
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--- a/qspi_swap.sh
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+++ b/qspi_swap.sh
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@@ -9,7 +9,7 @@ do
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if [ "$board_name" = "$current_dir" ]; then
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if [ -e $filename ]; then
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swapped_file="$filename.swapped"
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- tclsh ../tools/byte_swap.tcl $filename $swapped_file 8
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+ ../byte_swap.py $filename 8
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fi
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fi
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done < $1
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--
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1.7.1
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