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#!/usr/bin/python2
# Copyright 2016 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This file is a utility to quickly flash boards
import os
import subprocess as sp
import sys
import argparse
# example of call this method will make
# make BOARD=nucleo-f072rb CTS_MODULE=gpio -j
ocd_script_dir = '/usr/local/share/openocd/scripts'
th_board = 'stm32l476g-eval'
th_serial_filename = 'th_hla_serial'
def make(module, dut_board, ecDirectory):
sp.call(['make', '--directory=' + str(ecDirectory),
'BOARD=stm32l476g-eval', 'CTS_MODULE=' + module, '-j'])
sp.call(['make', '--directory=' + str(ecDirectory),
'BOARD=' + dut_board, 'CTS_MODULE=' + module, '-j'])
def openocd_cmd(command_list, board_cfg):
args = ['openocd', '-s', ocd_script_dir,
'-f', board_cfg]
for c in command_list:
args.append('-c')
args.append(c)
args.append('-c')
args.append('shutdown')
sp.call(args)
def get_stlink_serial_numbers():
usb_args = ['lsusb', '-v', '-d', '0x0483:0x374b']
usb_process = sp.Popen(usb_args, stdout=sp.PIPE, shell=False)
st_link_info = usb_process.communicate()[0]
st_serials = []
for line in st_link_info.split('\n'):
if 'iSerial' in line:
st_serials.append(line.split()[2])
return st_serials
# This function is necessary because the dut might be using an st-link debugger
# params: th_hla_serial is your personal th board's serial
def identify_dut(th_hla_serial):
stlink_serials = get_stlink_serial_numbers()
if len(stlink_serials) == 1:
return None
# If 2 st-link devices connected, find dut's serial number
elif len(stlink_serials) == 2:
dut = [s for s in stlink_serials if th_hla_serial not in s]
if len(dut) != 1:
print 'ERROR: Check your TH hla_serial'
return None
else:
return dut[0] # Found your other st-link device serial!
else:
print 'ERROR: Please connect TH and your DUT and remove all other st-link devices'
return None
def update_th_serial(dest_dir):
serial = get_stlink_serial_numbers()
if len(serial) != 1:
print 'Connect your TH and remove other st-link devices'
else:
ser = serial[0]
f = open(os.path.join(dest_dir, th_serial_filename), mode='w')
f.write(ser)
f.close()
return ser
def get_board_config_name(board):
board_config_locs = {
'stm32l476g-eval' : 'board/stm32l4discovery.cfg',
'nucleo-f072rb' : 'board/st_nucleo_f0.cfg'
}
return board_config_locs[board]
def flash_boards(dut_board, th_serial_loc):
th_hla = None
dut_hla = None
try:
th_hla = open(th_serial_loc).read()
except:
print 'Your th hla_serial may not have been saved.'
print 'Connect only your th and run ./cts --th, then try again.'
print sys.exc_info()[0]
return
dut_hla = identify_dut(th_hla)
th_cfg = get_board_config_name(th_board)
dut_cfg = get_board_config_name(dut_board)
if(th_cfg == None or dut_cfg == None):
print 'Board cfg files not found'
return
th_flash_cmds = ['hla_serial ' + th_hla,
'reset_config connect_assert_srst',
'init',
'reset init',
'flash write_image erase build/' + th_board + '/ec.bin 0x08000000',
'reset halt']
dut_flash_cmds = ['reset_config connect_assert_srst',
'init',
'reset init',
'flash write_image erase build/' + dut_board + '/ec.bin 0x08000000',
'reset halt']
if dut_hla != None:
dut_flash_cmds.insert(0, 'hla_serial ' + dut_hla)
openocd_cmd(th_flash_cmds, th_cfg)
openocd_cmd(dut_flash_cmds, dut_cfg)
openocd_cmd(['init', 'reset init', 'resume'], th_cfg)
openocd_cmd(['init', 'reset init', 'resume'], dut_cfg)
def main():
global ocd_script_dir
path = os.path.abspath(__file__)
ec_dir = os.path.join(os.path.dirname(path), '..')
os.chdir(ec_dir)
th_serial_dir = os.path.join(ec_dir, 'build', th_board)
dut_board = 'nucleo-f072rb' #nucleo by default
module = 'gpio' #gpio by default
parser = argparse.ArgumentParser(description='Used to build/flash boards')
parser.add_argument('-d',
'--dut',
help='Specify DUT you want to build/flash')
parser.add_argument('-m',
'--module',
help='Specify module you want to build/flash')
parser.add_argument('-t',
'--th',
action='store_true',
help='Connect only the th to save its serial')
parser.add_argument('-b',
'--build',
action='store_true',
help='Build test suite (no flashing)')
parser.add_argument('-f',
'--flash',
action='store_true',
help='Flash boards with last image built for them')
args = parser.parse_args()
args = parser.parse_args()
if args.th:
serial = update_th_serial(th_serial_dir)
if(serial != None):
print 'Your th hla_serial # has been saved as: ' + serial
return
if args.module:
module = args.module
if args.dut:
dut_board = args.dut
elif args.build:
make(module, dut_board, ec_dir)
elif args.flash:
flash_boards(dut_board, os.path.join(th_serial_dir, th_serial_filename))
else:
make(module, dut_board, ec_dir)
flash_boards(dut_board, os.path.join(th_serial_dir, th_serial_filename))
if __name__ == "__main__":
main()
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