2 * Copyright (c) 2020 Samsung Electronics Co., Ltd All Rights Reserved
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 using System.Runtime.InteropServices;
19 using Tizen.Internals.Errors;
20 internal static partial class Interop
22 internal static partial class Peripheral
24 internal static partial class Spi
40 [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_spi_open")]
41 internal static extern ErrorCode Open(int bus, int chipSelectNumber, out IntPtr handle);
43 [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_spi_close")]
44 internal static extern ErrorCode Close(IntPtr handle);
46 [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_spi_set_mode")]
47 internal static extern ErrorCode SetMode(IntPtr handle, Mode mode);
49 [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_spi_set_bit_order")]
50 internal static extern ErrorCode SetBitOrder(IntPtr handle, BitOrder order);
52 [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_spi_set_bits_per_word")]
53 internal static extern ErrorCode SetBitsPerWord(IntPtr handle, byte bits);
55 [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_spi_set_frequency")]
56 internal static extern ErrorCode SetFrequency(IntPtr handle, uint frequency);
58 [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_spi_read")]
59 internal static extern ErrorCode Read(IntPtr handle, byte[] data, uint size);
61 [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_spi_write")]
62 internal static extern ErrorCode Write(IntPtr handle, byte[] data, uint size);
64 [DllImport(Libraries.Peripherial, EntryPoint = "peripheral_spi_transfer", CallingConvention = CallingConvention.Cdecl)]
65 internal static extern ErrorCode Transfer(IntPtr handle, byte[] txdata, byte[] rxdata, uint size);