projects
/
renesas-ra-flasher
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
RAFlasher.py: initial working write
[renesas-ra-flasher]
/
src
/
RAFlasher.py
diff --git
a/src/RAFlasher.py
b/src/RAFlasher.py
index
b77268e
..
66b0dc1
100644
(file)
--- a/
src/RAFlasher.py
+++ b/
src/RAFlasher.py
@@
-123,36
+123,44
@@
def write_img(dev, img, start_addr, end_addr, verify=False):
if start_addr % SECTOR_SIZE:
raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
blocks = (file_size + SECTOR_SIZE - 1) // SECTOR_SIZE
if start_addr % SECTOR_SIZE:
raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
blocks = (file_size + SECTOR_SIZE - 1) // SECTOR_SIZE
- end_addr = blocks * SECTOR_SIZE + start_addr
- print(end_addr)
+ end_addr = blocks * SECTOR_SIZE + start_addr - 1
chunk_size = 64 # max is 1024
chunk_size = 64 # max is 1024
- if (start_addr > 0xFF800): # for RA4 series
- raise ValueError("start address value error")
- if (end_addr <= start_addr or end_addr > 0xFF800):
- raise ValueError("end address value error")
+
#
if (start_addr > 0xFF800): # for RA4 series
+
#
raise ValueError("start address value error")
+
#
if (end_addr <= start_addr or end_addr > 0xFF800):
+
#
raise ValueError("end address value error")
# setup initial communication
SAD = int_to_hex_list(start_addr)
EAD = int_to_hex_list(end_addr)
# setup initial communication
SAD = int_to_hex_list(start_addr)
EAD = int_to_hex_list(end_addr)
+ print(SAD, EAD)
+ #packed = pack_pkt(ERA_CMD, SAD + EAD) # actually works
packed = pack_pkt(WRI_CMD, SAD + EAD)
packed = pack_pkt(WRI_CMD, SAD + EAD)
+ print(packed)
dev.send_data(packed)
ret = dev.recv_data(7)
dev.send_data(packed)
ret = dev.recv_data(7)
+ unpack_pkt(ret)
with open(img, 'rb') as f:
chunk = f.read(chunk_size)
while chunk:
with open(img, 'rb') as f:
chunk = f.read(chunk_size)
while chunk:
- packed = pack_pkt(WRI_CMD, chunk)
+ if len(chunk) != chunk_size:
+ padding_length = chunk_size - len(chunk)
+ chunk += b'\0' * padding_length
+ packed = pack_pkt(WRI_CMD, chunk, ack=True)
print(f'Sending {len(chunk)} bytes')
dev.send_data(packed)
reply_len = 7
reply = dev.recv_data(reply_len)
#reply = b'\x81\x00\x02\x00\x00\xFE\x03' # test reply
print(f'Sending {len(chunk)} bytes')
dev.send_data(packed)
reply_len = 7
reply = dev.recv_data(reply_len)
#reply = b'\x81\x00\x02\x00\x00\xFE\x03' # test reply
- if not reply == False:
- msg = unpack_pkt(reply)
- print(msg)
+ #if not reply == False:
+ #print(reply)
+ msg = unpack_pkt(reply)
+ #print(msg)
chunk = f.read(chunk_size)
chunk = f.read(chunk_size)
+
def main():
parser = argparse.ArgumentParser(description="RA Flasher Tool")
def main():
parser = argparse.ArgumentParser(description="RA Flasher Tool")
@@
-191,6
+199,7
@@
def main():
get_dev_info(dev)
get_area_info(dev)
read_img(dev, "save.bin", 0x0000, 0x3FFFF)
get_dev_info(dev)
get_area_info(dev)
read_img(dev, "save.bin", 0x0000, 0x3FFFF)
+ #write_img(dev, "src/sample.bin", 0x8000, None)
else:
parser.print_help()
else:
parser.print_help()