4.10. System Module

4.10.1. Module Files

4.10.1.1. Driver

  • src/app/engine/sys/reset.c

  • src/app/engine/sys/reset.h

  • src/app/engine/sys/sys.c

  • src/app/engine/sys/sys.h

4.10.1.2. Configuration

  • src/app/engine/config/sys_cfg.c

  • src/app/engine/config/sys_cfg.h

4.10.1.3. Unit Test

  • tests/unit/app/engine/config/test_sys_cfg.c

  • tests/unit/app/engine/sys/test_sys.c

4.10.2. Detailed Description

After all initialization steps are successfully run, the system driver is in initialization operation mode.

The top level state diagram of the system state machine is shown in Fig. 4.4.

The detailed state diagram of the system state machine is shown in Fig. 4.5.

# Copyright (c) 2010 - 2025, Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. # All rights reserved. # # SPDX-License-Identifier: BSD-3-Clause # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # 1. Redistributions of source code must retain the above copyright notice, this # list of conditions and the following disclaimer. # # 2. Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # 3. Neither the name of the copyright holder nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # We kindly request you to use one or more of the following phrases to refer to # foxBMS in your hardware, software, documentation or advertising materials: # # - "This product uses parts of foxBMS®" # - "This product includes parts of foxBMS®" # - "This product is derived from foxBMS®" digraph sys_fsm_states_top_view { rankdir=LR; size="8,5" node [shape = doublecircle] nd_uninitialized nd_running nd_error; node [shape = circle] nd_initialization; nd_uninitialized [label=<<B>Uninitialized</B>>]; nd_error [label=<<B>Error</B>>]; nd_initialization [label=<<B>Initialization</B>>]; nd_running [label=<<B>Running</B>>]; nd_uninitialized ->nd_initialization [label = "Initialize"]; nd_initialization -> nd_running [label = ""]; nd_running -> nd_running [label = "Operational mode"]; nd_initialization -> nd_error [label = "Initialization error"]; }

Fig. 4.4 Top level view of the system state machine

# Copyright (c) 2010 - 2025, Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. # All rights reserved. # # SPDX-License-Identifier: BSD-3-Clause # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # 1. Redistributions of source code must retain the above copyright notice, this # list of conditions and the following disclaimer. # # 2. Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # 3. Neither the name of the copyright holder nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # We kindly request you to use one or more of the following phrases to refer to # foxBMS in your hardware, software, documentation or advertising materials: # # - "This product uses parts of foxBMS®" # - "This product includes parts of foxBMS®" # - "This product is derived from foxBMS®" digraph sys_fsm_states_detailed { rankdir=TB; node [shape = doublecircle] nd_uninitialized nd_running nd_error; node [shape = circle] nd_initialization_check_deep_discharge nd_initialization_sbc nd_initialization_can nd_initialization_send_boot_message nd_initialization_interlock nd_initialization_contactors nd_initialization_balancing nd_initialization_insulation_guard ; nd_uninitialized [label=<<B>Uninitialized</B>>]; nd_initialization_check_deep_discharge [label=<<B>I</B><SUB>CDDC</SUB>>]; nd_initialization_sbc [label=<<B>I</B><SUB>SBC</SUB>>]; nd_initialization_can [label=<<B>I</B><SUB>CAN</SUB>>]; nd_initialization_send_boot_message [label=<<B>I</B><SUB>BOOT</SUB>>]; nd_initialization_interlock [label=<<B>I</B><SUB>ILCK</SUB>>]; nd_initialization_contactors [label=<<B>I</B><SUB>CONT</SUB>>]; nd_initialization_balancing [label=<<B>I</B><SUB>BAL</SUB>>]; nd_initialization_insulation_guard [label=<<B>I</B><SUB>ISO</SUB>>]; nd_initialization_check_current_sensor [label=<<B>I</B><SUB>CCS</SUB>>]; nd_initialization_misc [label=<<B>I</B><SUB>MISC</SUB>>]; nd_initialization_bms [label=<<B>I</B><SUB>BMS</SUB>>]; nd_running [label=<<B>Running</B>>]; nd_error [label=<<B>Error</B>>]; nd_uninitialized -> nd_initialization_check_deep_discharge [label = "Initialize"] nd_initialization_check_deep_discharge -> nd_initialization_sbc nd_initialization_sbc -> nd_initialization_can nd_initialization_can -> nd_initialization_send_boot_message nd_initialization_send_boot_message -> nd_initialization_interlock nd_initialization_interlock -> nd_initialization_contactors nd_initialization_contactors -> nd_initialization_balancing nd_initialization_balancing -> nd_initialization_insulation_guard nd_initialization_insulation_guard -> nd_initialization_check_current_sensor nd_initialization_check_current_sensor -> nd_initialization_misc nd_initialization_misc -> nd_initialization_bms nd_initialization_bms -> nd_running nd_running -> nd_running [label = "Operational mode"]; nd_initialization_sbc -> nd_error nd_initialization_send_boot_message -> nd_error }

Fig. 4.5 Detailed view of the system state machine