| LPCOpen Platform v1.03 LPCOpen Platform for NXP LPC Microcontrollers

- Main Page
- Modules
- Data Structures
- Files
- Related Pages

- File List
- Globals

All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
dfuutil_programming_spiiflash_systeminit.c
Go to the documentation of this file.
1 /*
2 * @brief Basic startup code for DFU Utility examples
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
38 /*****************************************************************************
39 * Private types/enumerations/variables
40 ****************************************************************************/
41
42 /* SCR pin definitions for pin muxing */
43 typedef struct {
44 uint8_t pingrp; /* Pin group */
45 uint8_t pinnum; /* Pin number */
46 uint16_t modefunc; /* Pin mode and function for SCU */
47 } PINMUX_GRP_T;
48
49 /* SPIFI high speed pin mode setup */
50 STATIC const PINMUX_GRP_T spifipinmuxing[] = {
51 {0x3, 3, (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI CLK */
52 {0x3, 4, (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI D3 */
53 {0x3, 5, (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI D2 */
54 {0x3, 6, (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI D1 */
55 {0x3, 7, (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI D0 */
56 {0x3, 8, (SCU_PINIO_FAST | SCU_MODE_FUNC3)} /* SPIFI CS/SSEL */
57 };
58
59 /*****************************************************************************
60 * Public types/enumerations/variables
61 ****************************************************************************/
62
63 /*****************************************************************************
64 * Private functions
65 ****************************************************************************/
66
67 /*****************************************************************************
68 * Public functions
69 ****************************************************************************/
70
77 void dfuUtilSystemInit(void)
78 {
79 int i;
80 unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08;
81
82 #if defined(__IAR_SYSTEMS_ICC__)
83 extern void *__vector_table;
84
85 *pSCB_VTOR = (unsigned int) &__vector_table;
86 #elif defined(__CODE_RED)
87 extern void *g_pfnVectors;
88
89 *pSCB_VTOR = (unsigned int) &g_pfnVectors;
90 #elif defined(__ARMCC_VERSION)
91 extern void *__Vectors;
92
93 *pSCB_VTOR = (unsigned int) &__Vectors;
94 #endif
95
96 /* SPIFI pin setup is done prior to setting up system clocking */
97 for (i = 0; i < (sizeof(spifipinmuxing) / sizeof(spifipinmuxing[0])); i++) {
98 Chip_SCU_PinMuxSet(spifipinmuxing[i].pingrp, spifipinmuxing[i].pinnum,
99 spifipinmuxing[i].modefunc);
100 }
101 }
102