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ritimer.c
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1 /*
2  * @brief RITimer example
3  *
4  * @note
5  * Copyright(C) NXP Semiconductors, 2012
6  * All rights reserved.
7  *
8  * @par
9  * Software that is described herein is for illustrative purposes only
10  * which provides customers with programming information regarding the
11  * LPC products. This software is supplied "AS IS" without any warranties of
12  * any kind, and NXP Semiconductors and its licensor disclaim any and
13  * all warranties, express or implied, including all implied warranties of
14  * merchantability, fitness for a particular purpose and non-infringement of
15  * intellectual property rights. NXP Semiconductors assumes no responsibility
16  * or liability for the use of the software, conveys no license or rights under any
17  * patent, copyright, mask work right, or any other intellectual property rights in
18  * or to any products. NXP Semiconductors reserves the right to make changes
19  * in the software without notification. NXP Semiconductors also makes no
20  * representation or warranty that such application will be suitable for the
21  * specified use without further testing or modification.
22  *
23  * @par
24  * Permission to use, copy, modify, and distribute this software and its
25  * documentation is hereby granted, under NXP Semiconductors' and its
26  * licensor's relevant copyrights in the software, without fee, provided that it
27  * is used in conjunction with NXP Semiconductors microcontrollers. This
28  * copyright, permission, and disclaimer notice must appear in all copies of
29  * this code.
30  */
31 
32 #include "board.h"
33 
54 /*****************************************************************************
55  * Private types/enumerations/variables
56  ****************************************************************************/
57 
58 /*****************************************************************************
59  * Public types/enumerations/variables
60  ****************************************************************************/
61 
62 /*****************************************************************************
63  * Private functions
64  ****************************************************************************/
65 
66 #define TIME_INTERVAL 1000
67 static volatile bool On;
68 
69 /*****************************************************************************
70  * Public functions
71  ****************************************************************************/
72 
77 void RIT_IRQHandler(void)
78 {
79  /* Clearn interrupt */
81 
82  /* Toggle LED */
83  On = (bool) !On;
84  Board_LED_Set(0, On);
85 }
86 
91 int main(void)
92 {
93  Board_Init();
95 
96  On = true;
97  Board_LED_Set(0, On);
98 
99  /* Initialize RITimer */
100  Chip_RIT_Init();
101 
102  /* Configure RIT for a 1s interrupt tick rate */
104 
105  NVIC_EnableIRQ(RITIMER_IRQn);
106 
107  /* LED is toggled in interrupt handler */
108  while (1) {}
109 }
110