backup_ram.cpp File Reference

Detailed Description

Date

Dec 19, 2017

Definition in file backup_ram.cpp.

Functions
uint32_t	backupRamLoad (backup_ram_e idx)
void	backupRamSave (backup_ram_e idx, uint32_t value)
void	backupRamFlush (void)
BackupSramData *	getBackupSram ()

Variables
static BKUP_RAM_NOINIT BackupSramData	backupSramData

Function Documentation

backupRamFlush()

void backupRamFlush

(

void

)

Definition at line 43 of file backup_ram.cpp.

                          {
    // nothing to do here, in STM32 all data is saved instantaneously
}

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backupRamLoad()

uint32_t backupRamLoad

(

backup_ram_e

idx

)

Definition at line 9 of file backup_ram.cpp.

                                         {
#if HAL_USE_RTC
    switch (idx) {
    case backup_ram_e::StepperPosition:
        return RTCD1.rtc->BKP0R & 0xffff;
    case backup_ram_e::IgnCounter:
        return (RTCD1.rtc->BKP0R >> 16) & 0xff;
    default:
        criticalError("Invalid backup ram idx %d", (int)idx);
        return 0;
    }
#else
    return 0;
#endif /* HAL_USE_RTC */
}

Referenced by PrimeController::getKeyCycleCounter(), and StepperMotorBase::loadStepperPos().

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backupRamSave()

void backupRamSave	(	backup_ram_e	idx,
		uint32_t	value
	)

Definition at line 25 of file backup_ram.cpp.

                                                     {
#if HAL_USE_RTC
    switch (idx) {
    case backup_ram_e::StepperPosition:
        RTCD1.rtc->BKP0R = (RTCD1.rtc->BKP0R & ~0x0000ffff) | (value & 0xffff);
        break;
    case backup_ram_e::IgnCounter:
        RTCD1.rtc->BKP0R = (RTCD1.rtc->BKP0R & ~0x00ff0000) | ((value & 0xff) << 16);
        break;
    default:
        criticalError("Invalid backup ram idx %d, value %lx", (int)idx, value);
        break;
    }
#endif /* HAL_USE_RTC */
}

Referenced by PrimeController::onSlowCallback(), StepperMotorBase::saveStepperPos(), and PrimeController::setKeyCycleCounter().

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getBackupSram()

BackupSramData * getBackupSram

(

)

Definition at line 52 of file backup_ram.cpp.

                                {
    return &backupSramData;
}

Referenced by chDbgPanic3(), errorHandlerInit(), firmwareErrorV(), and logHardFault().

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Variable Documentation

backupSramData

BKUP_RAM_NOINIT BackupSramData backupSramData

static

Definition at line 50 of file backup_ram.cpp.

Referenced by getBackupSram().

Go to the source code of this file.