From 38f5e041adbe1cd790a2cb29ae4cf3d0f1219587 Mon Sep 17 00:00:00 2001
From: Benjamin Koch <bbbsnowball@gmail.com>
Date: Fri, 9 Jun 2023 22:14:09 +0200
Subject: [PATCH] add option to download flash to Python script
---
.../rust1/download_firmware_via_modbus.py | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/firmware/rust1/download_firmware_via_modbus.py b/firmware/rust1/download_firmware_via_modbus.py
index f858e1e..56b3d86 100644
--- a/firmware/rust1/download_firmware_via_modbus.py
+++ b/firmware/rust1/download_firmware_via_modbus.py
@@ -87,6 +87,27 @@ def main():
if x.registers != [0, 1, 0, 1]:
raise Exception("We haven't implemented re-sending blocks, yet.")
+ if False:
+ with open("flash-read.bin", "wb") as f:
+ block_size = 32768
+ for offset in range(0, 2*1024*1024, block_size):
+ x = client.write_registers(3, offset//512, slave=DEVICE_ADDR)
+ logger.info("set offset: %r" % x)
+
+ read_size = 200
+ for offset2 in range(0, block_size, read_size):
+ r = FileRecord(file_number=1, record_number=offset2//2, record_length=min(read_size, block_size-offset2)//2)
+ x = client.read_file_record([
+ r
+ ], slave=DEVICE_ADDR)
+ #logger.info("read: %r" % x)
+ #logger.info("read: %r, %r" % (x.records[0], r))
+ #logger.info("read: %r" % x.records[0].record_data)
+ data = x.records[0].record_data
+ assert(len(data) == r.record_length*2)
+ assert(f.tell() == offset+offset2)
+ f.write(data)
+
x = client.write_registers(1, struct.unpack(">H", b"UP")[0], slave=DEVICE_ADDR)
logger.info("write to mark for update: %s", x)
--
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