mhu/reflow-oven-control-sw
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Implement automatic resotre of error mem corrupt flag

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This commit is contained in:
Mario Hüttel
2020-09-21 21:10:26 +02:00
parent d91a1b1da0
commit e8f59b6dc6
1 changed files with 53 additions and 7 deletions
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60
stm-firmware/safety/safety-controller.c
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@@ -313,12 +313,7 @@ static enum safety_flag flag_no_to_flag_enum(uint8_t no)
return (1U << no);
}
int safety_controller_report_error(enum safety_flag flag)
{
return safety_controller_report_error_with_key(flag, 0x0UL);
}
int safety_controller_report_error_with_key(enum safety_flag flag, uint32_t key)
static int report_error(enum safety_flag flag, uint32_t key, bool prevent_error_mem_enty)
{
uint32_t i;
int ret = -1;
@@ -333,7 +328,7 @@ int safety_controller_report_error_with_key(enum safety_flag flag, uint32_t key)
flags[i].error_state_inv = !flags[i].error_state;
flags[i].key = key;
if (check_flag_persistent(&flags[i]) && !old_state) {
if (check_flag_persistent(&flags[i]) && !old_state && !prevent_error_mem_enty) {
err_mem_entry.counter = 1;
err_mem_entry.flag_num = flag_enum_to_flag_no(flags[i].flag);
err_mem_entry.type = SAFETY_MEMORY_ERR_ENTRY_FLAG;
@@ -349,6 +344,16 @@ int safety_controller_report_error_with_key(enum safety_flag flag, uint32_t key)
return ret;
}
int safety_controller_report_error(enum safety_flag flag)
{
return safety_controller_report_error_with_key(flag, 0x0UL);
}
int safety_controller_report_error_with_key(enum safety_flag flag, uint32_t key)
{
return report_error(flag, key, false);
}
void safety_controller_report_timing(enum timing_monitor monitor)
{
volatile struct timing_mon *tim;
@@ -387,9 +392,42 @@ void safety_controller_report_analog_value(enum analog_value_monitor monitor, fl
}
/**
* @brief Return the flags, which are set in the error memory
* @param flags Flags read from error memory
* @return 0 if ok, != 0 if error
*/
static enum safety_flag get_safety_flags_from_error_mem(enum safety_flag *flags)
{
uint32_t count;
uint32_t idx;
int res;
enum safety_flag return_flags = 0;
struct error_memory_entry entry;
if (!flags)
return -1001;
res = safety_memory_get_error_entry_count(&count);
if (res)
return -1;
for (idx = 0; idx < count; idx++) {
res = safety_memory_get_error_entry(idx, &entry);
if (entry.type == SAFETY_MEMORY_ERR_ENTRY_FLAG) {
return_flags |= flag_no_to_flag_enum(entry.flag_num);
}
}
*flags = return_flags;
return 0;
}
void safety_controller_init()
{
enum safety_memory_state found_memory_state;
enum safety_flag flags_in_err_mem = ERR_FLAG_NO_FLAG;
int res;
/* Init the safety memory */
if (safety_memory_init(&found_memory_state)) {
@@ -407,6 +445,14 @@ void safety_controller_init()
if (found_memory_state == SAFETY_MEMORY_INIT_CORRUPTED)
safety_controller_report_error(ERR_FLAG_SAFETY_MEM_CORRUPT);
else if (found_memory_state == SAFETY_MEMORY_INIT_VALID_MEMORY) {
/* restore the corrupt flag flag */
res = get_safety_flags_from_error_mem(&flags_in_err_mem);
if (res)
panic_mode();
if (flags_in_err_mem & ERR_FLAG_SAFETY_MEM_CORRUPT)
report_error(ERR_FLAG_SAFETY_MEM_CORRUPT, 0, true);
}
/* Init default flag states */
safety_controller_report_error_with_key(ERR_FLAG_MEAS_ADC_OFF | ERR_FLAG_MEAS_ADC_UNSTABLE,