mirror of
https://github.com/drasko/open-ameba.git
synced 2024-11-21 13:34:17 +00:00
53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: cp1251 -*-
|
|
import jlinkarm as jl
|
|
import os, sys, time, struct
|
|
|
|
dllfilename = 'D:/MCU/SEGGER/JLink_V612i/JLinkARM.dll'
|
|
|
|
if __name__ == '__main__':
|
|
if len(sys.argv) >= 2:
|
|
if sys.argv[1] == '-h':
|
|
print 'Usage: ldram.py ram_all.bin'
|
|
exit(0)
|
|
imgfilename = 'build/bin/ram_all.bin'
|
|
|
|
if len(sys.argv) > 1:
|
|
if sys.argv[1]:
|
|
imgfilename = sys.argv[1]
|
|
try:
|
|
ff = open(imgfilename, "rb")
|
|
except:
|
|
print "Error file open " + imgfilename
|
|
exit(1)
|
|
jl.loadJLinkARMdll(dllfilename)
|
|
jl.open()
|
|
if jl.is_connected == 0:
|
|
raise RuntimeError('Jlink not connected')
|
|
jl.exec_command('device Cortex-M3', 0, 0)
|
|
jl.exec_command('endian little', 0, 0)
|
|
jl.tif_select(1)
|
|
jl.set_speed(1000)
|
|
jl.clear_RESET()
|
|
jl.clear_TRST()
|
|
time.sleep(0.01)
|
|
jl.set_RESET()
|
|
jl.set_TRST()
|
|
jl.reset()
|
|
jl.halt()
|
|
jl.set_speed(3500)
|
|
bin = ff.read()
|
|
get_dword = lambda address: struct.unpack('<L', bin[address:address + 4])[0]
|
|
i1_address = 0x0
|
|
i1_length = get_dword(0x10)
|
|
jl.write_mem(0x10000bc8, bin[i1_address + 0x20: i1_address + 0x20 + i1_length])
|
|
i2_address = (get_dword(0x18) & 0xffff) * 1024
|
|
i2_length = get_dword(i2_address) + 0x10
|
|
jl.write_mem(0x10006000, bin[i2_address + 0x10: i2_address + 0x10 + i2_length])
|
|
jl.reset()
|
|
jl.write_u32(0x40000210, 0x20111113)
|
|
jl.go()
|
|
jl.close()
|
|
|
|
ff.close()
|
|
exit(0)
|