io.mapsmessaging.devices.i2c.devices.output.lcd.lcd1602.commands.SetCgramAddress Maven / Gradle / Ivy

/*
 *      Copyright [ 2020 - 2023 ] [Matthew Buckton]
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 */

package io.mapsmessaging.devices.i2c.devices.output.lcd.lcd1602.commands;

import static io.mapsmessaging.devices.i2c.devices.output.lcd.lcd1602.commands.Constants.CONTROL;

public class SetCgramAddress extends Command {

  private static final byte SET_CGRAM_ADDR = 0x40;

  public SetCgramAddress() {
    super(CONTROL, SET_CGRAM_ADDR);
  }

  public void setLocation(byte location) {
    buffer[1] = (byte) ((SET_CGRAM_ADDR & 0xff) | (location & 0x7) << 3);
  }
}