1 /**
2 * @file xmc4_eru.c
3 * @date 2015-02-20
4 *
5 * @cond
6 *********************************************************************************************************************
7 * XMClib v2.1.24 - XMC Peripheral Driver Library
8 *
9 * Copyright (c) 2015-2019, Infineon Technologies AG
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without modification,are permitted provided that the
13 * following conditions are met:
14 *
15 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
19 * disclaimer in the documentation and/or other materials provided with the distribution.
20 *
21 * Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote
22 * products derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
25 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY,OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 * To improve the quality of the software, users are encouraged to share modifications, enhancements or bug fixes with
33 * Infineon Technologies AG dave@infineon.com).
34 *********************************************************************************************************************
35 *
36 * Change History
37 * --------------
38 *
39 * 2015-02-20:
40 * - Initial <br>
41 *
42 * @endcond
43 */
44 #include "xmc_eru.h"
45
46 #if UC_FAMILY == XMC4
47 #include "xmc_scu.h"
48
49 /*********************************************************************************************************************
50 * API IMPLEMENTATION
51 ********************************************************************************************************************/
52 /* Enable the clock and De-assert the ERU module from the reset state. */
XMC_ERU_Enable(XMC_ERU_t * const eru)53 void XMC_ERU_Enable(XMC_ERU_t *const eru)
54 {
55 #if defined(XMC_ERU1)
56 if (eru == XMC_ERU1)
57 {
58 #if defined(CLOCK_GATING_SUPPORTED)
59 XMC_SCU_CLOCK_UngatePeripheralClock(XMC_SCU_PERIPHERAL_CLOCK_ERU1);
60 #endif
61 XMC_SCU_RESET_DeassertPeripheralReset(XMC_SCU_PERIPHERAL_RESET_ERU1);
62 }
63 #else
64 XMC_UNUSED_ARG(eru);
65 #endif
66 }
67
68 /* Disable the clock and Reset the ERU module. */
XMC_ERU_Disable(XMC_ERU_t * const eru)69 void XMC_ERU_Disable(XMC_ERU_t *const eru)
70 {
71 #if defined(XMC_ERU1)
72 if (eru == XMC_ERU1)
73 {
74 XMC_SCU_RESET_AssertPeripheralReset(XMC_SCU_PERIPHERAL_RESET_ERU1);
75 #if defined(CLOCK_GATING_SUPPORTED)
76 XMC_SCU_CLOCK_GatePeripheralClock(XMC_SCU_PERIPHERAL_CLOCK_ERU1);
77 #endif
78 }
79 #else
80 XMC_UNUSED_ARG(eru);
81 #endif
82 }
83
84 #endif /* if( UC_FAMILY == XMC1 ) */
85