1 /*
2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * o Redistributions of source code must retain the above copyright notice, this list
9 * of conditions and the following disclaimer.
10 *
11 * o Redistributions in binary form must reproduce the above copyright notice, this
12 * list of conditions and the following disclaimer in the documentation and/or
13 * other materials provided with the distribution.
14 *
15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "epit.h"
32
33 /*******************************************************************************
34 * Code
35 ******************************************************************************/
36
37 /*FUNCTION**********************************************************************
38 *
39 * Function Name : EPIT_Init
40 * Description : Initializes the EPIT module according to the specified
41 * parameters in the initConfig.
42 *
43 *END**************************************************************************/
EPIT_Init(EPIT_Type * base,const epit_init_config_t * initConfig)44 void EPIT_Init(EPIT_Type* base, const epit_init_config_t* initConfig)
45 {
46 assert(initConfig);
47
48 EPIT_CR_REG(base) = 0;
49
50 EPIT_SoftReset(base);
51
52 EPIT_CR_REG(base) = (initConfig->freeRun ? EPIT_CR_RLD_MASK : 0) |
53 (initConfig->waitEnable ? EPIT_CR_WAITEN_MASK : 0) |
54 (initConfig->stopEnable ? EPIT_CR_STOPEN_MASK : 0) |
55 (initConfig->dbgEnable ? EPIT_CR_DBGEN_MASK : 0) |
56 (initConfig->enableMode ? EPIT_CR_ENMOD_MASK : 0);
57 }
58
59 /*FUNCTION**********************************************************************
60 *
61 * Function Name : EPIT_SetOverwriteCounter
62 * Description : Enable or disable EPIT overwrite counter immediately.
63 *
64 *END**************************************************************************/
EPIT_SetOverwriteCounter(EPIT_Type * base,bool enable)65 void EPIT_SetOverwriteCounter(EPIT_Type* base, bool enable)
66 {
67 if(enable)
68 EPIT_CR_REG(base) |= EPIT_CR_IOVW_MASK;
69 else
70 EPIT_CR_REG(base) &= ~EPIT_CR_IOVW_MASK;
71 }
72
73 /*FUNCTION**********************************************************************
74 *
75 * Function Name : EPIT_SetIntCmd
76 * Description : Enable or disable EPIT interrupt.
77 *
78 *END**************************************************************************/
EPIT_SetIntCmd(EPIT_Type * base,bool enable)79 void EPIT_SetIntCmd(EPIT_Type* base, bool enable)
80 {
81 if (enable)
82 EPIT_CR_REG(base) |= EPIT_CR_OCIEN_MASK;
83 else
84 EPIT_CR_REG(base) &= ~EPIT_CR_OCIEN_MASK;
85 }
86
87 /*******************************************************************************
88 * EOF
89 ******************************************************************************/
90
