C++ eeprom_write_byte函数代码示例

/********************************************//**
 * @brief Funkcja kalibrujaca offset DAC
 * @param speed : wartosc zmiany (-128 - 127)
 * @return uint8_t : aktualna wartosc (0 - 255)
 ***********************************************/
uint8_t DACOffsetCalib(int8_t val)
{
	uint8_t offset = eeprom_read_byte(&e_offset);
	if((uint16_t)offset + val < 256 && offset + val >= 0)
		offset+= val;
	eeprom_write_byte(&e_offset, offset);
	DACB.OFFSETCAL=offset;
	return offset;
}

/********************************************//**
 * @brief Funkcja kalibrujaca wzmocnienie DAC
 * @param speed : wartosc zmiany (-128 - 127)
 * @return uint8_t : aktualna wartosc (0 - 255)
 ***********************************************/
uint8_t DACGainCalib(int8_t val)
{
	uint8_t gain = eeprom_read_byte(&e_gain);
	if((uint16_t)gain + val < 256 && gain + val >= 0)
		gain+= val;
	eeprom_write_byte(&e_gain, gain);
	DACB.GAINCAL=gain;
	return gain;
}

void _EEPROM_writeData(int &pos, uint8_t* value, uint8_t size)
{
    do
    {
        eeprom_write_byte((unsigned char*)pos, *value);
        pos++;
        value++;
    }while(--size);
}

int 
EEPROM::Device::write(void* dest, const void* src, size_t size)
{
  uint8_t* dp = (uint8_t*) dest;
  const uint8_t* sp = (const uint8_t*) src;
  size_t res = size;
  while (size--) eeprom_write_byte(dp++, *sp++);
  return (res);
}

uint8_t eeprom_del_rule (uint8_t pos)
{
/*  del_rule
*   
*/  
  uint8_t count,i;
  uint16_t target_adress;
  RULES_STRUCTUR hilf;
  
  RULE_DEBUG("Del Rule:%i\r\n",pos);
  
  
  //aktuelle Anzahl auslesen
	count = get_rule_count();
  

  if(pos>=0 && pos<=count)
  {
    //folgende Regeln nachr�ckenen lassen
    for(i=pos;i<count;i++)
    {
      
      if(eeprom_get_rule(i+1,&hilf))
      {
          
        // Zieladresse berechnen
        target_adress=RULES_EEPROM_STORE+1+(i*sizeof(RULES_STRUCTUR));
        RULE_DEBUG("EEPROM write adress:%i\r\n",target_adress);
    
  
        // Regel in den EEPROM schreiben
        eeprom_busy_wait ();
        eeprom_write_block((unsigned char *)&hilf,(unsigned char *)target_adress,sizeof(RULES_STRUCTUR));
      }
      else
      {
        return 0;
      }
      
  
    }
  
    //bisher alles OK -> neuen Wert ins EEPROM schreiben
		eeprom_busy_wait ();
		eeprom_write_byte((unsigned char *)(RULES_EEPROM_STORE),--count);
  
    return 1;
  }
  else
  {
    RULE_DEBUG("Failure: Out of Range\r\n");
    return 0;
  }
  
return 0;
  
}

void writeColor(uint8_t color, uint8_t* base){
  uint8_t i = RING_BUFFER_LEN;
  uint8_t* loc = base;
  while(i-->1){// Not going to bother to check if we can skip writing.
    if(0 != eeprom_read_byte(loc)){
      eeprom_write_byte(loc++,0);
      if(color != 0)
	eeprom_write_byte(loc,color);
      return;
    }
    loc++;
  }
  // Otherwise, nuke the last byte with 0, and write the new value to the beginning
  if(0 != eeprom_read_byte(loc))
    eeprom_write_byte(loc,0);
  if(color != 0)
    eeprom_write_byte(base,color);
}

void initializeDelays()
{
	detectorOnDelay = eeprom_read_byte((uint8_t*)(CHANNEL0_ON_DELAY));
	if (0xFF == detectorOnDelay || 0x00 == detectorOnDelay)
	{
		eeprom_write_byte((uint8_t*)(CHANNEL0_ON_DELAY), 4);
		detectorOnDelay = eeprom_read_byte((uint8_t*)(CHANNEL0_ON_DELAY));
	}	


	detectorOffDelay = eeprom_read_byte((uint8_t*)(CHANNEL0_OFF_DELAY));
	if (0xFF == detectorOffDelay || 0x00 == detectorOffDelay)
	{
		eeprom_write_byte((uint8_t*)(CHANNEL0_OFF_DELAY), 25);
		detectorOffDelay = eeprom_read_byte((uint8_t*)(CHANNEL0_OFF_DELAY));
	}	


}

void try_reset_eeprom() {
  const char* symbol = "C_Quencer 0.4";
  char id_str[13];
  for (int i=0; i<13; ++i) {
    eeprom_busy_wait();
    id_str[i] = eeprom_read_byte((uint8_t*)(i+1000));
  }
  if (strncmp(id_str, symbol, sizeof(id_str)) != 0) {
    for (int i=0; i<1000; ++i) {
      eeprom_busy_wait();
      eeprom_write_byte((uint8_t*)i, 0);
    }
    eeprom_write_block(symbol, (uint8_t*)1000, sizeof(symbol));
    for (int i=0; i<13; ++i) {
      eeprom_busy_wait();
      eeprom_write_byte((uint8_t*)(i+1000), symbol[i]);
    }
  }
}

void lcd_material_store_material(uint8_t nr)
{
    eeprom_write_word(EEPROM_MATERIAL_TEMPERATURE_OFFSET(nr), material[active_extruder].temperature);
    eeprom_write_word(EEPROM_MATERIAL_BED_TEMPERATURE_OFFSET(nr), material[active_extruder].bed_temperature);
    eeprom_write_word(EEPROM_MATERIAL_FLOW_OFFSET(nr), material[active_extruder].flow);

    eeprom_write_byte(EEPROM_MATERIAL_FAN_SPEED_OFFSET(nr), material[active_extruder].fan_speed);
    eeprom_write_float(EEPROM_MATERIAL_DIAMETER_OFFSET(nr), material[active_extruder].diameter);
    //eeprom_write_block(card.longFilename, EEPROM_MATERIAL_NAME_OFFSET(nr), 8);
}

/**
 * @fn void main(void)
 * @brief eeprom emulation main function entry
 *
 */
void main (void) 
{
	U16 i;
	U8 tmp;
    SFRPAGE_SWITCH()
    ENABLE_VDDMON()
    DISABLE_WDT()
    SFRPAGE_RESTORE()
    eeprom_init();
    for(i = 0;i< EE_SIZE ;i++) {
    	if(eeprom_read_byte(i,&test_buf[i]) == ERROR)
    		goto error;
    }
    for(i = 0;i < 2;i++) {
    	test_buf[i] = i + 0x55;
    	if(eeprom_write_byte(i, test_buf[i]) == ERROR)
    		goto error;
    }
    tmp = 0;
    while(tmp < 50){
        for(i = 2;i< EE_SIZE; i++) {
        	test_buf[i] = i + 1;
        	if(eeprom_write_byte(i, test_buf[i] + tmp) == ERROR)
        		goto error;
        }
        tmp++;
    }
    for(i = 0; i< EE_SIZE; i++) {
    	if(eeprom_read_byte(i,&test_buf[i]) == ERROR)
    		goto error;
    	if((i == 0) || (i == 1)){
    	    if ((test_buf[0] != 0x55) || (test_buf[1] != 0x56))
    	    	goto error;
    	}else{
    		if (test_buf[i] != (i + tmp))
    			goto error;
    	}
    }
    while(1);
error:
	i = 0xDEAD;
	while(1);
}

void Preset::save(uint8_t index){
  uint8_t buf[MIDI_ZONE_PRESET_SIZE];
  uint8_t* offset = getAddress(index);
  eeprom_write_byte(offset++, size);
  for(uint8_t i=0; i<size; ++i){
    uint8_t bts = writeZone(buf, i);
    eeprom_write_block(buf, offset, bts);
    offset += bts;
  }
}

void pgm_set_program_state( u8 slot, u8 state )
{
  u8 newstate = state ? ( pgm_mask | ( 1 << slot ) ) : ( pgm_mask & ( u8 )~( 1 << slot ) );

  if( newstate == pgm_mask )
    return;
  pgm_mask = newstate;
  eeprom_write_byte( PGMADDR, pgm_mask );
  eeprom_busy_wait();
}

int write_to_eeprom(struct eeprom *e, FILE *fp, int addr, char* pBuffer, int size)
{
	int ret = -1;
	int i;

	if ( e != (struct eeprom *) NULL && pBuffer != NULL )
	{
		if( strlen(pBuffer) >= size )
		{
			for( i = 0, ret = 0; ret == 0 && i < size; i++ )
			{
				if( (ret=eeprom_write_byte(e, addr++, pBuffer[i])) )
				{
					fprintf(stderr, "write error at addr %0x\n", addr);
				}
			}
		}
		else
		{
			for( i = 0, ret = 0; ret == 0 && i < size; i++ )
			{
				if( (ret=eeprom_write_byte(e, addr++, pBuffer[0])) )
				{
					fprintf(stderr, "write error at addr %0x\n", addr);
				}
			}
		}
	}

#ifdef _OLD_STYLE_MODE
	int c;
	while((c = fgetc(fp)) != EOF)
	{
		fflush(stdout);
		if(eeprom_write_byte(e, addr++, c))
		{
			fprintf(stderr, "write error at addr %0x\n", addr);
		}

	}
#endif // _OLD_STYLE_MODE
	return( ret );
}

bool lcd_material_verify_material_settings()
{
    bool hasUPET = false;
    
    uint8_t cnt = eeprom_read_byte(EEPROM_MATERIAL_COUNT_OFFSET());
    if (cnt < 2 || cnt > EEPROM_MATERIAL_SETTINGS_MAX_COUNT)
        return false;
    while(cnt > 0)
    {
        cnt --;
        if (eeprom_read_word(EEPROM_MATERIAL_TEMPERATURE_OFFSET(cnt)) > HEATER_0_MAXTEMP)
            return false;
//        if (eeprom_read_word(EEPROM_MATERIAL_BED_TEMPERATURE_OFFSET(cnt)) > BED_MAXTEMP)
//            return false;
        if (eeprom_read_byte(EEPROM_MATERIAL_FAN_SPEED_OFFSET(cnt)) > 100)
            return false;
        if (eeprom_read_word(EEPROM_MATERIAL_FLOW_OFFSET(cnt)) > 1000)
            return false;
        if (eeprom_read_float(EEPROM_MATERIAL_DIAMETER_OFFSET(cnt)) > 10.0)
            return false;
        if (eeprom_read_float(EEPROM_MATERIAL_DIAMETER_OFFSET(cnt)) < 0.1)
            return false;

        eeprom_read_block(card.longFilename, EEPROM_MATERIAL_NAME_OFFSET(cnt), 8);
        if (strcmp_P(card.longFilename, PSTR("UPET")) == 0)
            hasUPET = true;
    }
    cnt = eeprom_read_byte(EEPROM_MATERIAL_COUNT_OFFSET());
    if (!hasUPET && cnt < EEPROM_MATERIAL_SETTINGS_MAX_COUNT)
    {
        strcpy_P(card.longFilename, PSTR("UPET"));
        eeprom_write_block(card.longFilename, EEPROM_MATERIAL_NAME_OFFSET(cnt), 5);
        eeprom_write_word(EEPROM_MATERIAL_TEMPERATURE_OFFSET(cnt), 250);
//        eeprom_write_word(EEPROM_MATERIAL_BED_TEMPERATURE_OFFSET(cnt), 60);
        eeprom_write_byte(EEPROM_MATERIAL_FAN_SPEED_OFFSET(cnt), 50);
        eeprom_write_word(EEPROM_MATERIAL_FLOW_OFFSET(cnt), 100);
        eeprom_write_float(EEPROM_MATERIAL_DIAMETER_OFFSET(cnt), 2.85);
        
        eeprom_write_byte(EEPROM_MATERIAL_COUNT_OFFSET(), cnt + 1);
    }
    return true;
}

void PrintCounter::initStats() {
  #if ENABLED(DEBUG_PRINTCOUNTER)
    PrintCounter::debug(PSTR("initStats"));
  #endif

  this->loaded = true;
  this->data = { 0, 0, 0, 0, 0.0 };

  this->saveStats();
  eeprom_write_byte((uint8_t *) this->address, 0x16);
}