1 /**************************************************************************//**
2  * @file
3  * @brief EFR32BG22 DMA descriptor bit field definitions
4  ******************************************************************************
5  * # License
6  * <b>Copyright 2022 Silicon Laboratories, Inc. www.silabs.com</b>
7  ******************************************************************************
8  *
9  * SPDX-License-Identifier: Zlib
10  *
11  * The licensor of this software is Silicon Laboratories Inc.
12  *
13  * This software is provided 'as-is', without any express or implied
14  * warranty. In no event will the authors be held liable for any damages
15  * arising from the use of this software.
16  *
17  * Permission is granted to anyone to use this software for any purpose,
18  * including commercial applications, and to alter it and redistribute it
19  * freely, subject to the following restrictions:
20  *
21  * 1. The origin of this software must not be misrepresented; you must not
22  *    claim that you wrote the original software. If you use this software
23  *    in a product, an acknowledgment in the product documentation would be
24  *    appreciated but is not required.
25  * 2. Altered source versions must be plainly marked as such, and must not be
26  *    misrepresented as being the original software.
27  * 3. This notice may not be removed or altered from any source distribution.
28  *
29  *****************************************************************************/
30 #ifndef EFR32BG22_DMA_DESCRIPTOR_H
31 #define EFR32BG22_DMA_DESCRIPTOR_H
32 
33 #if defined(__ICCARM__)
34 #pragma system_include       /* Treat file as system include file. */
35 #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
36 #pragma clang system_header  /* Treat file as system include file. */
37 #endif
38 
39 /**************************************************************************//**
40 * @addtogroup Parts
41 * @{
42 ******************************************************************************/
43 /**************************************************************************//**
44  * @defgroup DMA_DESCRIPTOR DMA Descriptor
45  * @{
46  *****************************************************************************/
47 /** DMA_DESCRIPTOR Register Declaration */
48 typedef struct {
49   /* Note! Use of double __IOM (volatile) qualifier to ensure that both */
50   /* pointer and referenced memory are declared volatile. */
51   __IOM uint32_t     CTRL;     /**< DMA control register */
52   __IOM void * __IOM SRC;      /**< DMA source address */
53   __IOM void * __IOM DST;      /**< DMA destination address */
54   __IOM void * __IOM LINK;     /**< DMA link address */
55 } DMA_DESCRIPTOR_TypeDef;      /**< @} */
56 
57 /** @} End of group Parts */
58 
59 #endif /* EFR32BG22_DMA_DESCRIPTOR_H */
60