RAPacker: data package can aso start with 0x81

[renesas-ra-flasher] / src / RAFlasher.py

diff --git a/src/RAFlasher.py b/src/RAFlasher.py
index 2e573ef..b77268e 100644 (file)
--- a/src/RAFlasher.py
+++ b/src/RAFlasher.py
@@ -1,14 +1,113 @@
 import os
 import math
+import time
 import argparse
+from tqdm import tqdm
 from RAConnect import *
 from RAPacker import *
 
 SECTOR_SIZE = 2048
 
+def int_to_hex_list(num):
+    hex_string = hex(num)[2:].upper()  # convert to hex string
+    hex_string = hex_string.zfill(8) # pad for 8 char's long
+    hex_list = [f'0x{hex_string[c:c+2]}' for c in range(0, 8, 2)]
+    return hex_list
+
+def inquire_connection(dev):
+    packed = pack_pkt(INQ_CMD, "")
+    dev.send_data(packed)
+    info = dev.recv_data(7)
+    #print(info)
+    if info == bytearray(b'\x00') or info == bytearray(b''):
+        return False
+    msg = unpack_pkt(info)
+    print("Connection already established")
+    #print(msg)
+    return True
+
+def get_area_info(dev):
+    for i in [0,1,2]:
+        print("===================")
+        packed = pack_pkt(ARE_CMD, [str(i)])
+        dev.send_data(packed)
+        info = dev.recv_data(23)
+        msg = unpack_pkt(info)
+        fmt = '>BIIII'
+        KOA, SAD, EAD, EAU, WAU = struct.unpack(fmt, bytes(int(x, 16) for x in msg))
+        print(f'Area {KOA} - {hex(SAD)}:{hex(EAD)}')
+        print(f'Erase {hex(EAU)} bytes - write {hex(WAU)} bytes')
+
+def get_dev_info(dev):
+
+    packed = pack_pkt(SIG_CMD, "")
+    dev.send_data(packed)
+    print(packed)
+    info = dev.recv_data(18)
+    print(info, len(info))
+    #info = b'\x81\x00\x0D\x3A\x01\x31\x2d\x00\x00\x1e\x84\x80\x04\x02\x0a\x08' # test
+    fmt = '>IIIBBHH'
+    _HEADER, SCI, RMB, NOA, TYP, BFV, _FOOTER = struct.unpack(fmt, info)
+    print('Chip info:')
+    print('====================')
+    print(f'Serial interface speed: {SCI} Hz')
+    print(f'Recommend max UART baud rate {RMB} bps')
+    print(f'User area in Code flash [{NOA & 0x1}|{NOA & 0x02 >> 1}]')
+    print(f'User area in Data flash [{NOA & 0x03 >> 2}]')
+    print(f'Config area [{NOA & 0x04 >> 3}]')
+    if TYP == 0x02:
+        print('RA MCU + RA2/RA4 Series')
+    elif TYP == 0x03:
+        print('RA MCU + RA6 Series')
+    else:
+        print('Unknown MCU type')
+    print(f'Boot firmware version {BFV >> 8}.{BFV & 0xFF}')
+    print('====================')
+
+
 def verify_img(dev, img, start_addr, end_addr):
     raise Exception("Not implemented")
 
+def read_img(dev, img, start_addr, end_addr):
+    
+    # calculate / check start and end address 
+    if start_addr == None or end_addr == None:
+        if start_addr == None:
+            start_addr = 0
+        # align start addr
+        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)
+    
+    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)
+    packed = pack_pkt(REA_CMD, SAD + EAD)
+    dev.send_data(packed)
+
+    # calculate how many packets are have to be received
+    nr_packet = (end_addr - start_addr) // 1024 # TODO: set other than just 1024
+    print(f'Sending {nr_packet} packets to MCU')
+
+    with open('output.bin', 'wb') as f:
+        for i in tqdm(range(0, nr_packet+1), desc="Reading progess"):
+            ret = dev.recv_data(1024 + 6)
+            #print(f'Packet nr: {i}')
+            chunk = unpack_pkt(ret)
+            chunky = bytes(int(x, 16) for x in chunk)
+            f.write(chunky)
+            #print(ret)
+            packed = pack_pkt(REA_CMD, ['0x00'], ack=True)
+            dev.send_data(packed)
+
+
 def write_img(dev, img, start_addr, end_addr, verify=False):
 
     if os.path.exists(img):
@@ -32,6 +131,14 @@ def write_img(dev, img, start_addr, end_addr, verify=False):
         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)
+    packed = pack_pkt(WRI_CMD, SAD + EAD)
+    dev.send_data(packed)
+    ret = dev.recv_data(7)
+
     with open(img, 'rb') as f:
         chunk = f.read(chunk_size)
         while chunk:
@@ -70,13 +177,20 @@ def main():
     args = parser.parse_args()
 
     if args.command == "write":
-        dev = RAConnect(vendor_id=0x1a86, product_id=0x7523)
+        dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
         print(args)
         write_img(dev, args.file_name, args.start_address, args.end_address, args.verify)
     elif args.command == "read":
         print('read command')
     elif args.command == "info":
-        print('info command')
+        dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
+        status_con = inquire_connection(dev)
+        if not status_con:
+            #dev.establish_connection()
+            dev.confirm_connection()
+        get_dev_info(dev)
+        get_area_info(dev)
+        read_img(dev, "save.bin", 0x0000, 0x3FFFF)
     else:
         parser.print_help()