Add blobify script

141383cb · Theodor-Adrian Stana · a2ec2372 · 141383cb · 141383cb
Commit 141383cb authored Oct 05, 2014 by Theodor-Adrian Stana
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README sw/blobify/README +8 -0

blobify.py sw/blobify/blobify.py +30 -0

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--- a/sw/blobify/README
+++ b/sw/blobify/README
+Make a binary blob (bootloader + application) for direct download to EFM32
+flash. The script asks for the binary and the application bitstreams and
+produces a blob with the following memory map:
+
+0x0000  bootloader
+0x8000  application
+
+NOTE: only supports .bin files for now.
--- a/sw/blobify/blobify.py
+++ b/sw/blobify/blobify.py
+#!/usr/bin/python
+
+if __name__ == "__main__":
+	fn1 = raw_input("bootloader  (.bin): ")
+	fn2 = raw_input("application (.bin): ")
+	fn3 = raw_input("blob output (.bin): ")
+
+	f1 = open(fn1,'rb')
+	f2 = open(fn2,'rb')
+	f3 = open(fn3,'wb')
+	a1 = []
+	a2 = []
+
+	# read contents
+	a1 = f1.read()
+	a2 = f2.read()
+
+	# Pad with zeroes up to bootloader start
+	lt = 0x8000 - (len(a1) % 0x8000)
+	for i in range(0, lt):
+		a1 += '\0'
+
+	# write output files
+	f3.write(a1+a2)
+
+	print("SUCCESS -- Output written to " + fn3)
+	f1.close()
+	f2.close()
+	f3.close()
+