LPCOpen Platform  v1.03
LPCOpen Platform for NXP LPC Microcontrollers
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app_otp_funcs.c
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1 /*
2  * @brief OTP Controller 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 #include "chip.h"
34 
61 /*****************************************************************************
62  * Private types/enumerations/variables
63  ****************************************************************************/
64 
65 /*****************************************************************************
66  * Public types/enumerations/variables
67  ****************************************************************************/
68 
69 /*****************************************************************************
70  * Private functions
71  ****************************************************************************/
72 
73 static void OTP_fix(volatile uint32_t dummy0, volatile uint32_t dummy1,
74  volatile uint32_t dummy2, volatile uint32_t dummy3)
75 {
76  return;
77 }
78 
79 
80 /*****************************************************************************
81  * Public functions
82  ****************************************************************************/
83 
88 int main(void)
89 {
90  volatile uint32_t status;
91 
92  Board_Init();
93 
94  /* Initialize the OTP Controller */
95  status = Chip_OTP_Init();
96 
97  /* Fix as per Errata, required for some LPC43xx parts */
98  OTP_fix(0, 0, 0, 0);
99 
100  /* Set Boot Source */
101  /* Please note that this function is commented to avoid accidental
102  * programming of OTP values (which can result in not booting of boards).
103  * Make sure that you understand the OTP programming before you
104  * try this example
105  */
106 #ifdef BOARD_KEIL_MCB_18574357
107  //status = Chip_OTP_ProgBootSrc(CHIP_OTP_BOOTSRC_PINS);
108 #else
109  //status = Chip_OTP_ProgBootSrc(CHIP_OTP_BOOTSRC_SPIFI);
110 #endif
111 
112  while (1);
113 }
114