error_handler_actions.c

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// Standard Library Includes
#include <stdbool.h>
#include <stdint.h>
 
// Framework Includes
#include <define_tasks_config.h>
#include <error_handler_actions.h>
#include <error_handler_config.h>
#include <midware_error_manager.h>
#include <midware_interrupt_manager.h>
#include <midware_memory_manager.h>
#include <midware_reset_manager.h>
 
static errId_t errorIdStack[NOTIFICATION_LOG_SIZE];
static uint8_t errorIdStackIndex = 0U;
 
void EH_InitiateSafeState(errId_t id)
{
    // Convert ID to a value for storing the reset reason in persistent memory
    const uint8_t idVal = (uint8_t)id;
 
    MW_DisableGlobalInterrupts();
    MW_EnableForceFloat(); // Force float (tri-state) all I/O pins
    MW_StorePersistentVal(PVAL_ERRID_REASON, idVal);
 
    // Try to issue a software reset until successful or the watchdog expires
    while (FOREVER)
    {
        MW_ResetDevice();
        // If reset failed, try stopping the heartbeat signal to get an external system reset
        MW_StopHeartbeat();
        MW_EnableForceFloat(); // In case the previous attempt failed
    }
}
 
void EH_PushNotificationLog(errId_t id)
{
    // Ignore push if stack is full or Error ID is ERRID_NONE
    if ((errorIdStackIndex < NOTIFICATION_LOG_SIZE) && (id != ERRID_NONE))
    {
        errorIdStack[errorIdStackIndex] = id;
        errorIdStackIndex++;
    }
}
 
errId_t EH_PopNotificationLog(void)
{
    errId_t id = ERRID_NONE;
 
    // Ensure stack is not empty
    if (errorIdStackIndex > 0U)
    {
        errorIdStackIndex--;
        // Get last Error ID from stack
        id = errorIdStack[errorIdStackIndex];
    }
 
    // Ensure Error ID is valid
    if (id >= ERRID_MAX)
    {
        id = ERRID_ERRID_VAL;
    }
    return id;
}