mirror of https://github.com/rusefi/rusefi-1.git
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/**
|
|
* @file backup_ram.cpp
|
|
* @brief Non-volatile backup-RAM registers support
|
|
*
|
|
* @date Dec 19, 2017
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "global.h"
|
|
#include "efi_gpio.h"
|
|
|
|
typedef enum {
|
|
/**
|
|
* IAC Stepper motor position, 16-bit (stored in BKP0R 0..15)
|
|
* Used in stepper.cpp
|
|
*/
|
|
BACKUP_STEPPER_POS,
|
|
/**
|
|
* Ignition switch counter, 8-bit (stored in BKP0R 16..23)
|
|
* The counter stores the number of times the ignition switch is turned on. Used for prime injection pulse.
|
|
* We need a protection against 'fake' ignition switch on and off (i.e. no engine started), to avoid repeated prime pulses.
|
|
* So we check and update the ignition switch counter in non-volatile backup-RAM.
|
|
* See startPrimeInjectionPulse() in controllers/trigger/main_trigger_callback.cpp
|
|
*/
|
|
BACKUP_IGNITION_SWITCH_COUNTER,
|
|
/**
|
|
* CJ125 Calibration data (16bit)
|
|
*/
|
|
BACKUP_CJ125_CALIBRATION_LAMBDA,
|
|
/**
|
|
* CJ125 Calibration data (16bit)
|
|
*/
|
|
BACKUP_CJ125_CALIBRATION_HEATER,
|
|
|
|
DFU_JUMP_REQUESTED,
|
|
} backup_ram_e;
|
|
|
|
|
|
// load data from backup-power RTC registers (non-volatile memory)
|
|
uint32_t backupRamLoad(backup_ram_e idx);
|
|
// use backup-power RTC registers (non-volatile memory) to store the data
|
|
void backupRamSave(backup_ram_e idx, uint32_t value);
|
|
|