C++ set_range函数代码示例

void Tile::set_air(int air){
    airID = air;
    if(air==2){
        set_range(150);
        towerCost+=50;
        chargeRate = 40;
        upgradeCost = 100;
        damage = 20;
    }
    if(air==3){
        set_range(100);
        towerCost+=150;
        chargeRate = 20;
        upgradeCost = 150;
        damage = 30;
    }
    if(air==4){
        set_range(125
                  );
        towerCost+=100;
        chargeRate = 20;
        upgradeCost = 100;

    }
    if(air==5){
        set_range(200);
        towerCost+=200;
        chargeRate = 20;
        upgradeCost = 150;
        damage = 100;
    }
}

static int init(const struct motion_sensor_t *s)
{
	int ret = 0, tmp;

	ret = raw_read8(s->addr, LSM6DS0_WHO_AM_I_REG, &tmp);
	if (ret)
		return EC_ERROR_UNKNOWN;

	if (tmp != LSM6DS0_WHO_AM_I)
		return EC_ERROR_ACCESS_DENIED;

	/*
	 * This sensor can be powered through an EC reboot, so the state of
	 * the sensor is unknown here. Initiate software reset to restore
	 * sensor to default.
	 * [6] BDU Enable Block Data Update.
	 * [0] SW_RESET software reset
	 *
	 * lsm6ds0 supports both accel & gyro features
	 * Board will see two virtual sensor devices: accel & gyro.
	 * Requirement: Accel need be init before gyro.
	 * SW_RESET is down for accel only!
	 */
	if (MOTIONSENSE_TYPE_ACCEL == s->type) {

		mutex_lock(s->mutex);
		ret = raw_read8(s->addr, LSM6DS0_CTRL_REG8, &tmp);
		if (ret) {
			mutex_unlock(s->mutex);
			return EC_ERROR_UNKNOWN;
		}
		tmp |= (1 | LSM6DS0_BDU_ENABLE);
		ret = raw_write8(s->addr, LSM6DS0_CTRL_REG8, tmp);
		mutex_unlock(s->mutex);

		if (ret)
			return EC_ERROR_UNKNOWN;

		/* Power Down Gyro */
		ret = raw_write8(s->addr,
			LSM6DS0_CTRL_REG1_G, 0x0);
		if (ret)
			return EC_ERROR_UNKNOWN;

		ret = set_range(s, s->default_range, 1);
		if (ret)
			return EC_ERROR_UNKNOWN;
	}

	if (MOTIONSENSE_TYPE_GYRO == s->type) {
		/* Config GYRO Range */
		ret = set_range(s, s->default_range, 1);
		if (ret)
			return EC_ERROR_UNKNOWN;
	}

	CPRINTF("[%T %s: MS Done Init type:0x%X range:%d]\n",
			s->name, s->type, get_range(s));
	return ret;
}

void
SliderControl::port_property_changed(const URI& key, const Atom& value)
{
	_enable_signal = false;

	const Shared::LV2URIMap& uris = App::instance().uris();
	if (key == uris.lv2_minimum && value.type() == Atom::FLOAT)
		set_range(value.get_float(), _slider->get_adjustment()->get_upper());
	else if (key == uris.lv2_maximum && value.type() == Atom::FLOAT)
		set_range(_slider->get_adjustment()->get_lower(), value.get_float());

	_enable_signal = true;
}

void *gen_class(char *inf)
{
    if(*inf == '[')
    { inf++;
      if(inf[strlen(inf) - 1] == ']') inf[strlen(inf) - 1] = 0;
      else return NULL; }

    int state;
    void *ret = malloc(32);
    if(*inf == '^') { memset(ret, 0xFF, 32); state = 0; inf++; }
    else            { memset(ret, 0x00, 32); state = 1; }
    if(*inf == '-')
        { flp_item(ret, '-'); inf++; }
    else if(inf[strlen(inf) - 1] == '-')
        { flp_item(ret, '-'); inf[strlen(inf) - 1] = 0; }

    while(*inf)
    {
        if(*inf == '-')
        {
            set_range(ret, inf[-1], inf[1], state);
        }
        else set_item(ret, inf[0], state);
        inf++;
    }

    return ret;
}

void
SliderControl::set_value(const Atom& atom)
{
	if (_enabled) {
		_enable_signal = false;
		float val = atom.get_float();

		if (_port_model->is_integer())
			val = lrintf(val);

		if (_slider->get_value() != val) {
			const Gtk::Adjustment* range = _slider->get_adjustment();
			const float lower = range->get_lower();
			const float upper = range->get_upper();
			if (val < lower || val > upper)
				set_range(min(lower, val), max(lower, val));
			_slider->set_value(val);
		}

		if (_value_spinner->get_value() != val)
			_value_spinner->set_value(val);

		_enable_signal = true;
	}
}

/*programe main entry*/
int main(const int argc, const char *argv[]) {
    char option[BUFSIZE];
    int to_print[BUFSIZE];
    int negate = 0;
    int fpos;
    int type;
    int i;
    FILE *fp;
    type = get_valid_com(argc, argv, option, &negate, &fpos);
    if (type == 0)
        return 1;
    if (!set_range(option, to_print, negate))
        return 2;
    for (i = fpos; i < argc; i++) {
        if ((fp = fopen(argv[i], "r+b")) == 0) {
            perror("fopen");
            return 3;
        }
        if (type == 1)
            display_c(fp, to_print);
        else
            display_f(fp, to_print);
        if (fclose(fp) != 0) {
            perror("fclose");
            return 4;
        }
    }
    return 0;
}

int
lis331_attach(struct spi_dev_s *spi, int spi_id)
{
	int	result = ERROR;
	
	lis331_dev.spi = spi;

	SPI_LOCK(lis331_dev.spi, true);

	/* verify that the device is attached and functioning */
	if (read_reg(ADDR_WHO_AM_I) == WHO_I_AM) {

		/* set default configuration */
		write_reg(ADDR_CTRL_REG2, 0);	/* disable interrupt-generating high-pass filters */
		write_reg(ADDR_CTRL_REG3, 0);	/* no interrupts - we don't use them */
		write_reg(ADDR_CTRL_REG5, 0);	/* disable wake-on-interrupt */

		set_range(LIS331_RANGE_4G);
		set_rate(LIS331_RATE_400Hz);	/* takes device out of low-power mode */

		/* make ourselves available */
		register_driver("/dev/lis331", &lis331_fops, 0666, NULL);

		result = 0;
	} else {
		errno = EIO;
	}

	SPI_LOCK(lis331_dev.spi, false);

	return result;
}

  void cGtkmmScrollBar::SetRange(int64_t _min, int64_t _max)
  {
    min = _min;
    max = _max;

    set_range(min, max);
  }

int
HMC5883::init()
{
	int ret = ERROR;

	/* do I2C init (and probe) first */
	if (I2C::init() != OK)
		goto out;

	/* allocate basic report buffers */
	_num_reports = 2;
	_reports = new struct mag_report[_num_reports];

	if (_reports == nullptr)
		goto out;

	_oldest_report = _next_report = 0;

	/* get a publish handle on the mag topic */
	memset(&_reports[0], 0, sizeof(_reports[0]));
	_mag_topic = orb_advertise(ORB_ID(sensor_mag), &_reports[0]);

	if (_mag_topic < 0)
		debug("failed to create sensor_mag object");

	/* set range */
	set_range(_range_ga);

	ret = OK;
	/* sensor is ok, but not calibrated */
	_sensor_ok = true;
out:
	return ret;
}

int set_localiprange (char *word, char *value, int context, void *item)
{
    struct lns *lns = (struct lns *) item;
    switch (context & ~CONTEXT_DEFAULT)
    {
    case CONTEXT_LNS:
        break;
    default:
        snprintf (filerr, sizeof (filerr), "'%s' not valid in this context\n",
                  word);
        return -1;
    }

    if (lns->localaddr) {
        snprintf (filerr, sizeof (filerr), "'local ip range' and 'local ip' are mutually exclusive\n");
	return -1;
    }

    lns->localrange = set_range (word, value, lns->localrange);
    if (!lns->localrange)
        return -1;
#ifdef DEBUG_FILE
    l2tp_log (LOG_DEBUG, "range start = %x, end = %x, sense=%ud\n",
         ntohl (lns->range->start), ntohl (lns->range->end), lns->range->sense);
#endif
    return 0;
}

void
FXAS21002C::reset()
{
	/* write 0 0 0 000 00 = 0x00 to CTRL_REG1 to place FXOS21002 in Standby
	 * [6]: RST=0
	 * [5]: ST=0 self test disabled
	 * [4-2]: DR[2-0]=000 for 200Hz ODR
	 * [1-0]: Active=0, Ready=0 for Standby mode
	 */

	write_reg(FXAS21002C_CTRL_REG1, 0);

	/* write 0000 0000 = 0x00 to CTRL_REG0 to configure range and filters
	 * [7-6]: BW[1-0]=00, LPF 64 @ 800Hz ODR
	 *  [5]: SPIW=0 4 wire SPI
	 * [4-3]: SEL[1-0]=00 for 10Hz HPF at 200Hz ODR
	 *  [2]: HPF_EN=0 disable HPF
	 * [1-0]: FS[1-0]=00 for 1600dps (TBD CHANGE TO 2000dps when final trimmed parts available)
	 */

	write_checked_reg(FXAS21002C_CTRL_REG0, CTRL_REG0_BW_LOW | CTRL_REG0_FS_2000_DPS);

	/* write CTRL_REG1 to configure 800Hz ODR and enter Active mode */

	write_checked_reg(FXAS21002C_CTRL_REG1, CTRL_REG1_DR_800HZ | CTRL_REG1_ACTIVE);

	/* Set the default */

	set_samplerate(0);
	set_range(FXAS21002C_DEFAULT_RANGE_DPS);
	set_onchip_lowpass_filter(FXAS21002C_DEFAULT_ONCHIP_FILTER_FREQ);
	_read = 0;
}

void
L3GD20::reset()
{
	// ensure the chip doesn't interpret any other bus traffic as I2C
	disable_i2c();

	/* set default configuration */
	write_reg(ADDR_CTRL_REG1, REG1_POWER_NORMAL | REG1_Z_ENABLE | REG1_Y_ENABLE | REG1_X_ENABLE);
	write_reg(ADDR_CTRL_REG2, 0);		/* disable high-pass filters */
	write_reg(ADDR_CTRL_REG3, 0);		/* no interrupts - we don't use them */
	write_reg(ADDR_CTRL_REG4, REG4_BDU);
	write_reg(ADDR_CTRL_REG5, 0);

	write_reg(ADDR_CTRL_REG5, REG5_FIFO_ENABLE);		/* disable wake-on-interrupt */

	/* disable FIFO. This makes things simpler and ensures we
	 * aren't getting stale data. It means we must run the hrt
	 * callback fast enough to not miss data. */
	write_reg(ADDR_FIFO_CTRL_REG, FIFO_CTRL_BYPASS_MODE);

	set_samplerate(0); // 760Hz
	set_range(L3GD20_DEFAULT_RANGE_DPS);
	set_driver_lowpass_filter(L3GD20_DEFAULT_RATE, L3GD20_DEFAULT_FILTER_FREQ);

	_read = 0;
}

static int
lis331_ioctl(struct file *filp, int cmd, unsigned long arg)
{
	int	result = ERROR;

	switch (cmd) {
	case LIS331_SETRATE:
		if ((arg & REG1_RATE_MASK) == arg) {
			set_rate(arg);
			result = 0;
			lis331_dev.rate = arg;
		}
		break;

	case LIS331_SETRANGE:
		if ((arg & REG4_RANGE_MASK) == arg) {
			set_range(arg);
			result = 0;
		}
		break;

	case LIS331_SETBUFFER:
		lis331_dev.buffer = (struct lis331_buffer *)arg;
		result = 0;
		break;
	}

	if (result)
		errno = EINVAL;
	return result;
}

static int init(const struct motion_sensor_t *s)
{
	int ret, resol;
	struct si114x_drv_data_t *data = SI114X_GET_DATA(s);

	/* initialize only once: light must be declared first. */
	if (s->type == MOTIONSENSE_TYPE_LIGHT) {
#ifdef CONFIG_ALS_SI114X_CHECK_REVISION
		ret = si114x_revisions(s);
		if (ret != EC_SUCCESS)
			return ret;
#endif
		ret = si114x_initialize(s);
		if (ret != EC_SUCCESS)
			return ret;

		data->state = SI114X_IDLE;
		resol = 7;
	} else {
		if (data->state == SI114X_NOT_READY)
			return EC_ERROR_ACCESS_DENIED;
		resol = 5;
	}

	set_range(s, s->default_range, 0);
	/*
	 * Sensor is most likely behind a glass.
	 * Max out the gain to get correct measurement
	 */
	set_resolution(s, resol, 0);

	CPRINTF("[%T %s: MS Done Init type:0x%X range:%d]\n",
			s->name, s->type, get_range(s));
	return EC_SUCCESS;
}

int16_t
RC_Channel_aux::closest_limit(int16_t angle)
{
	// Change scaling to 0.1 degrees in order to avoid overflows in the angle arithmetic
	int16_t min = angle_min / 10;
	int16_t max = angle_max / 10;

	// Make sure the angle lies in the interval [-180 .. 180[ degrees
	while (angle < -1800) angle += 3600;
	while (angle >= 1800) angle -= 3600;

	// Make sure the angle limits lie in the interval [-180 .. 180[ degrees
	while (min < -1800) min += 3600;
	while (min >= 1800) min -= 3600;
	while (max < -1800) max += 3600;
	while (max >= 1800) max -= 3600;
	// This is done every time because the user might change the min, max values on the fly
	set_range(min, max);

	// If the angle is outside servo limits, saturate the angle to the closest limit
	// On a circle the closest angular position must be carefully calculated to account for wrap-around
	if ((angle < min) && (angle > max)){
		// angle error if min limit is used
		int16_t err_min = min - angle + (angle<min?0:3600); // add 360 degrees if on the "wrong side"
		// angle error if max limit is used
		int16_t err_max = angle - max + (angle>max?0:3600); // add 360 degrees if on the "wrong side"
		angle = err_min<err_max?min:max;
	}

	servo_out = angle;
	// convert angle to PWM using a linear transformation (ignores trimming because the camera limits might not be symmetric)
	calc_pwm();

	return angle;
}