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Issue #18: Documentation of boot status flags

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This commit is contained in:
Mario Hüttel 2020-09-05 19:00:01 +02:00
parent e96a710576
commit e50602611c
2 changed files with 27 additions and 1 deletions
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5
doc/source/firmware/backup-ram.rst
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@ -57,6 +57,11 @@ The safety memory header magic is:
Boot Status Flag Entries Boot Status Flag Entries
~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~
The boot status flag entries are use to store system states over resets.
The flags are stored in memory using the follwoing structure:
.. doxygenstruct:: safety_memory_boot_status
Config Overrides Config Overrides
~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~

21
stm-firmware/include/reflow-controller/safety/safety-memory.h
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@ -55,8 +55,29 @@ struct safety_memory_header {
}; };
struct safety_memory_boot_status { struct safety_memory_boot_status {
/**
* @brief Reboot into the bootloader
*
* When this flag is set, the controller will load the bootloader to
* memory and execute it.
*/
uint32_t reboot_to_bootloader; uint32_t reboot_to_bootloader;
/**
* @brief Bootloader has updated the code
*
* This flag is set, if the firmware ahs been updated successfully
*/
uint32_t code_updated; uint32_t code_updated;
/**
* @brief reset_from_panic
*
* This flag is set, when entering the panic mode.
* Because the panic mode is reset by a watchdog reset,
* this flag is needed, in order to ensure, that the panic is handled correcly after
* the watchdog reset.
*/
uint32_t reset_from_panic; uint32_t reset_from_panic;
}; };