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Diffstat (limited to 'cts/cts.py')
| -rwxr-xr-x | cts/cts.py | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/cts/cts.py b/cts/cts.py new file mode 100755 index 0000000000..9c4940b6ff --- /dev/null +++ b/cts/cts.py @@ -0,0 +1,178 @@ +#!/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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