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acmp_11xx.c
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1 /*
2 * @brief LPC11xx Analog comparator driver
3 *
4 * Copyright(C) NXP Semiconductors, 2012
5 * All rights reserved.
6 *
7 * Software that is described herein is for illustrative purposes only
8 * which provides customers with programming information regarding the
9 * LPC products. This software is supplied "AS IS" without any warranties of
10 * any kind, and NXP Semiconductors and its licensor disclaim any and
11 * all warranties, express or implied, including all implied warranties of
12 * merchantability, fitness for a particular purpose and non-infringement of
13 * intellectual property rights. NXP Semiconductors assumes no responsibility
14 * or liability for the use of the software, conveys no license or rights under any
15 * patent, copyright, mask work right, or any other intellectual property rights in
16 * or to any products. NXP Semiconductors reserves the right to make changes
17 * in the software without notification. NXP Semiconductors also makes no
18 * representation or warranty that such application will be suitable for the
19 * specified use without further testing or modification.
20 *
21 * Permission to use, copy, modify, and distribute this software and its
22 * documentation is hereby granted, under NXP Semiconductors' and its
23 * licensor's relevant copyrights in the software, without fee, provided that it
24 * is used in conjunction with NXP Semiconductors microcontrollers. This
25 * copyright, permission, and disclaimer notice must appear in all copies of
26 * this code.
27 */
28
29 #include "chip.h"
30
31 /*****************************************************************************
32 * Private types/enumerations/variables
33 ****************************************************************************/
34
35 /*****************************************************************************
36 * Public types/enumerations/variables
37 ****************************************************************************/
38
39 /*****************************************************************************
40 * Private functions
41 ****************************************************************************/
42
43 /*****************************************************************************
44 * Public functions
45 ****************************************************************************/
46
47 #if defined(CHIP_LPC11AXX)
48 /* Initializes the ACMP */
49 void Chip_ACMP_Init(LPC_CMP_T *pACMP)
50 {
51 /* Enable the power to the analog comparator */
52 Chip_SYSCTL_PowerUp(SYSCTL_POWERDOWN_ACOMP_PD);
53
54 /* Enable ACMP clock */
55 Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_ACOMP);
56
57 IP_ACMP_Init(pACMP);
58 }
59
60 /* De-initializes the ACMP */
61 void Chip_ACMP_Deinit(LPC_CMP_T *pACMP)
62 {
63 IP_ACMP_Deinit(pACMP);
64
65 /* Disable ACMP clock */
66 Chip_Clock_DisablePeriphClock(SYSCTL_CLOCK_ACOMP);
67
68 /* Enable the power to the analog comparator */
69 Chip_SYSCTL_PowerDown(SYSCTL_POWERDOWN_ACOMP_PD);
70 }
71
72 #endif