// generic capt_seq fuctions

#define RAWDATA_AVAILABLE (1)
#define RAWDATA_SAVED (2)

// some cams use different values
// note: many cams ROM also accepts a value of 3, meaning unknown
#ifndef NR_ON
#define NR_ON (2)
#endif
#ifndef NR_OFF
#define NR_OFF (1)
#endif

static long raw_save_stage;
volatile long shutter_open_time=0; // for DNG EXIF creation

void __attribute__((naked,noinline)) capt_seq_hook_raw_here()
{
 asm volatile("STMFD   SP!, {R0-R12,LR}\n");

#ifdef PAUSE_FOR_FILE_COUNTER
    // Some cameras need a slight delay for the file counter to be updated correctly
    // before raw_savefile tries to get the file name & directory.
    // Add '#define PAUSE_FOR_FILE_COUNTER 100' in the camera firmware capt_seq.c file.
    // The value can be adjusted as needed for different cameras.
    _SleepTask(PAUSE_FOR_FILE_COUNTER);
#endif

    raw_save_stage = RAWDATA_AVAILABLE;
    core_rawdata_available();
    while (raw_save_stage != RAWDATA_SAVED){
	_SleepTask(10);
    }

 asm volatile("LDMFD   SP!, {R0-R12,PC}\n");
}


void hook_raw_save_complete()
{
    raw_save_stage = RAWDATA_SAVED;
}

void __attribute__((naked,noinline)) capt_seq_hook_set_nr()
{
 asm volatile("STMFD   SP!, {R0-R12,LR}\n");
    switch (core_get_noise_reduction_value()){
    case NOISE_REDUCTION_AUTO_CANON:
        // leave it alone
#if defined(NR_AUTO)			// If value defined store it (e.g. for G12 & SX30 need to reset back to 0 to enable auto)
        *nrflag = NR_AUTO;
#endif
        break;
    case NOISE_REDUCTION_OFF:
        *nrflag = NR_OFF;
        break;
    case NOISE_REDUCTION_ON:
        *nrflag = NR_ON;
        break;
    };

 shutter_open_time=_time((void*)0); 

 asm volatile("LDMFD   SP!, {R0-R12,PC}\n");
}