Simplified the structure by moving to the mapping mode 2 from mapping mode 3

2020-07-30 18:19:09 +03:00
parent ebf30a9c96
commit 2e8dc8e810
2 changed files with 3 additions and 4 deletions
@@ -65,13 +65,12 @@ class MTreader:
        self.write16(0xa0030000, 0x2200) # disable system watchdog
        self.write16(0xa0700a28, 0x8000) # enable USB download mode
        self.write16(0xa0700a24, 2) # disable battery watchdog
-        self.write32(0xa0510000, 3) # enter memory map mode 3
-        # now all flash is mapped as little-endian 32-bit chunks at 0x10000000
+        self.write32(0xa0510000, 2) # enter memory map mode 2 to map ROM from the start of RAM

    def read_flash(self, outfile, start, size, blk_size=1024):
        outf = open(outfile, 'wb')
        offset = 0
-        addr = 0x10000000 + start
+        addr = start
        while size > 0:
            rsize = min(size, blk_size)
            chunk = self.read32(addr, rsize>>2, '<')