From ed174f7617c14d6424bbf8799e57daace5494b33 Mon Sep 17 00:00:00 2001 From: "Hans P. Reiser" Date: Sun, 28 Apr 2019 18:17:27 +0200 Subject: [PATCH] +skript for image generation --- scripts/makeimage.py | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100755 scripts/makeimage.py diff --git a/scripts/makeimage.py b/scripts/makeimage.py new file mode 100755 index 0000000..b291d75 --- /dev/null +++ b/scripts/makeimage.py @@ -0,0 +1,33 @@ +#!/usr/bin/python +import sys + +OFFSET_BOOTLOADER = 0x1000 +OFFSET_PARTITIONS = 0x8000 +OFFSET_BOOTAPP0 = 0xE000 +OFFSET_APPLICATION = 0x10000 +OFFSET_SPIFFS = 0x291000 + +esp32tools = sys.argv[1] +file_in = sys.argv[2] +file_out = sys.argv[3] + +files_in = [ + ('bootloader', OFFSET_BOOTLOADER, esp32tools+"/sdk/bin/bootloader_dio_80m.bin"), + ('partitions', OFFSET_PARTITIONS, esp32tools+"/partitions/default.bin"), + ('bootapp0', OFFSET_BOOTAPP0, esp32tools+"/partitions/boot_app0.bin"), + ('application', OFFSET_APPLICATION, file_in), + ('spiffs', OFFSET_SPIFFS, "/dev/null"), +] + +cur_offset = OFFSET_BOOTLOADER +with open(file_out, 'wb') as fout: + for name, offset, file_in in files_in: + assert offset >= cur_offset + fout.write(b'\xff' * (offset - cur_offset)) + cur_offset = offset + with open(file_in, 'rb') as fin: + data = fin.read() + fout.write(data) + cur_offset += len(data) + print('%-12s% 8d' % (name, len(data))) + print('%-12s% 8d' % ('total', cur_offset))