internals/src/Tizen.Peripheral/Interop/I2c.cs

   1 /*
   2 * Copyright (c) 2020 Samsung Electronics Co., Ltd All Rights Reserved
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the License);
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 * http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an AS IS BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17 using System;
  18 using System.Runtime.InteropServices;
  19 using Tizen.Internals.Errors;
  20 internal static partial class Interop
  21 {
  22     internal static partial class Peripheral
  23     {
  24         internal static partial class I2c
  25         {
  26             [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_i2c_open")]
  27             internal static extern ErrorCode Open(int bus, int address, out IntPtr handle);
  28
  29             [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_i2c_close")]
  30             internal static extern ErrorCode Close(IntPtr handle);
  31
  32             [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_i2c_read")]
  33             internal static extern ErrorCode Read(IntPtr handle, byte[] value, uint size);
  34
  35             [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_i2c_write")]
  36             internal static extern ErrorCode Write(IntPtr handle, byte[] value, uint size);
  37
  38             [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_i2c_read_register_byte")]
  39             internal static extern ErrorCode ReadRegisterByte(IntPtr handle, byte register, out byte data);
  40
  41             [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_i2c_write_register_byte")]
  42             internal static extern ErrorCode WriteRegisterByte(IntPtr handle, byte register, byte data);
  43
  44             [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_i2c_read_register_word")]
  45             internal static extern ErrorCode ReadRegisterWord(IntPtr handle, byte register, out ushort data);
  46
  47             [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_i2c_write_register_word")]
  48             internal static extern ErrorCode WriteRegisterWord(IntPtr handle, byte register, ushort data);
  49         }
  50     }
  51 }