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-rw-r--r--firmware/makehex.py9
1 files changed, 6 insertions, 3 deletions
diff --git a/firmware/makehex.py b/firmware/makehex.py
index 1735d86..70282c2 100644
--- a/firmware/makehex.py
+++ b/firmware/makehex.py
@@ -9,13 +9,16 @@
from sys import argv
-with open(argv[1], "rb") as f:
+binfile = argv[1]
+nwords = int(argv[2])
+
+with open(binfile, "rb") as f:
bindata = f.read()
-assert len(bindata) < 60*1024
+assert len(bindata) < 4*nwords
assert len(bindata) % 4 == 0
-for i in range(64*1024//4):
+for i in range(nwords):
if i < len(bindata) // 4:
w = bindata[4*i : 4*i+4]
print("%02x%02x%02x%02x" % (w[3], w[2], w[1], w[0]))