iLLD_TC29x  1.0
IfxEbu.c
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1 /**
2  * \file IfxEbu.c
3  * \brief EBU basic functionality
4  *
5  * \version iLLD_1_0_0_11_0
6  * \copyright Copyright (c) 2013 Infineon Technologies AG. All rights reserved.
7  *
8  *
9  * IMPORTANT NOTICE
10  *
11  *
12  * Infineon Technologies AG (Infineon) is supplying this file for use
13  * exclusively with Infineon's microcontroller products. This file can be freely
14  * distributed within development tools that are supporting such microcontroller
15  * products.
16  *
17  * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
18  * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
20  * INFINEON SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL,
21  * OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
22  *
23  */
24 
25 /******************************************************************************/
26 /*----------------------------------Includes----------------------------------*/
27 /******************************************************************************/
28 
29 #include "IfxEbu.h"
30 
31 /******************************************************************************/
32 /*-------------------------Function Implementations---------------------------*/
33 /******************************************************************************/
34 
35 void IfxEbu_setExternalClockRatio(Ifx_EBU *ebu, IfxEbu_ExternalClockRatio ratio)
36 {
37  Ifx_EBU_CLC clc;
38  clc.U = ebu->CLC.U;
39 
40  switch (ratio)
41  {
42  case IfxEbu_ExternalClockRatio_1:
43  clc.B.EBUDIV = 0;
44  clc.B.DIV2 = 0;
45  break;
46  case IfxEbu_ExternalClockRatio_2:
47  clc.B.EBUDIV = 1;
48  clc.B.DIV2 = 0;
49  break;
50  case IfxEbu_ExternalClockRatio_3:
51  clc.B.EBUDIV = 2;
52  clc.B.DIV2 = 0;
53  break;
54  case IfxEbu_ExternalClockRatio_4:
55  clc.B.EBUDIV = 3;
56  clc.B.DIV2 = 0;
57  break;
58  case IfxEbu_ExternalClockRatio_6:
59  clc.B.EBUDIV = 2;
60  clc.B.DIV2 = 1;
61  break;
62  case IfxEbu_ExternalClockRatio_8:
63  clc.B.EBUDIV = 3;
64  clc.B.DIV2 = 1;
65  break;
66  }
67 
68  ebu->CLC.U = clc.U;
69 }
70 
71 
72 void IfxEbu_setByteControlEnable(Ifx_EBU *ebu, IfxEbu_ByteControlEnable byteControlEnable)
73 {
74  ebu->USERCON.B.RES = byteControlEnable;
75 }