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Issue #18: Implement writing and reading boot status structure from backup RAM

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This commit is contained in:
Mario Hüttel 2020-09-05 16:32:31 +02:00
parent 7434554319
commit 3df0631ffc
3 changed files with 59 additions and 5 deletions
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9
stm-firmware/include/reflow-controller/safety/safety-memory.h
View File

@ -52,6 +52,7 @@ struct safety_memory_header {
struct safety_memory_boot_status {
uint32_t reboot_to_bootloader;
uint32_t code_updated;
uint32_t reset_from_panic;
};
enum safety_memory_state {
@ -67,7 +68,7 @@ enum safety_memory_error_entry_type {
struct error_memory_entry {
enum safety_memory_error_entry_type type;
uint16_t flag_num;
uint8_t flag_num;
};
enum config_override_entry_type {
@ -79,11 +80,11 @@ struct config_override {
enum config_override_entry_type type;
union {
struct {
uint16_t flag;
uint8_t flag;
uint8_t weight;
} weight_override;
struct {
uint16_t flag;
uint8_t flag;
uint8_t persistance;
} persistance_override;
} entry;
@ -95,6 +96,8 @@ int safety_memory_reinit(enum safety_memory_state *found_state);
int safety_memory_get_boot_status(struct safety_memory_boot_status *status);
int safety_memory_set_boot_status(const struct safety_memory_boot_status *status);
int safety_memory_get_error_entry_count(uint32_t *count);
int safety_memory_check(void);

9
stm-firmware/safety/fault.c
View File

@ -21,6 +21,8 @@
#include <reflow-controller/oven-driver.h>
#include <reflow-controller/digio.h>
#include <reflow-controller/safety/fault.h>
#include <reflow-controller/safety/safety-memory.h>
#include <helper-macros/helper-macros.h>
void HardFault_Handler(void)
{
@ -36,6 +38,8 @@ void HardFault_Handler(void)
void panic_mode(void)
{
static struct safety_memory_boot_status IN_SECTION(.ccm.bss) boot_status;
/* Panic mode is esentially the same as a hardfault,
* but it can be expected, that more functionality is still usable
*/
@ -44,6 +48,11 @@ void panic_mode(void)
oven_driver_apply_power_level();
/* TODO: implement panic mode */
if (!safety_memory_get_boot_status(&boot_status)) {
boot_status.reset_from_panic = 0xFFFFFFFF;
(void)safety_memory_set_boot_status(&boot_status);
}
while (1);
}

44
stm-firmware/safety/safety-memory.c
View File

@ -195,7 +195,49 @@ int safety_memory_init(enum safety_memory_state *found_state)
return safety_memory_reinit(found_state);
}
int safety_memory_get_boot_status(struct safety_memory_boot_status *status);
int safety_memory_get_boot_status(struct safety_memory_boot_status *status)
{
struct safety_memory_header header;
int res;
if (!status)
return -1001;
if (safety_memory_get_header(&header) != SAFETY_MEMORY_INIT_VALID_MEMORY) {
return -2000;
}
if (safety_memory_check_crc())
return -2001;
res = backup_ram_get_data(header.boot_status_offset, (uint32_t *)status, wordsize_of(*status));
if (res)
return -3000;
return 0;
}
int safety_memory_set_boot_status(const struct safety_memory_boot_status *status)
{
struct safety_memory_header header;
int res;
if (!status)
return -1001;
if (safety_memory_get_header(&header) != SAFETY_MEMORY_INIT_VALID_MEMORY) {
return -2000;
}
if (safety_memory_check_crc())
return -2001;
res = backup_ram_write_data(header.boot_status_offset, (uint32_t *)status, wordsize_of(*status));
res |= safety_memory_gen_crc();
if (res)
return -3000;
return 0;
}
int safety_memory_get_error_entry_count(uint32_t *count);