LPCOpen Platform for LPC18XX/43XX microcontrollers: C:/w/lpcopen_docs/software/lpc_core/lpc_chip/chip_common/iap.c Source File

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iap.c
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1 /*
2 * @brief Common FLASH support functions
3 *
4 * @note
5 * Copyright(C) NXP Semiconductors, 2013
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 "chip.h"
33
34 /*****************************************************************************
35 * Private types/enumerations/variables
36 ****************************************************************************/
37
38 /*****************************************************************************
39 * Public types/enumerations/variables
40 ****************************************************************************/
41
42 /*****************************************************************************
43 * Private functions
44 ****************************************************************************/
45
46 /*****************************************************************************
47 * Public functions
48 ****************************************************************************/
49
50 /* Prepare sector for write operation */
51 uint8_t Chip_IAP_PreSectorForReadWrite(uint32_t strSector, uint32_t endSector)
52 {
53 uint32_t command[5], result[5];
54
55 command[0] = IAP_PREWRRITE_CMD;
56 command[1] = strSector;
57 command[2] = endSector;
58 iap_entry(command, result);
59
60 return result[0];
61 }
62
63 /* Copy RAM to flash */
64 uint8_t Chip_IAP_CopyRamToFlash(uint32_t dstAdd, uint32_t *srcAdd, uint32_t byteswrt)
65 {
66 uint32_t command[5], result[5];
67
68 command[0] = IAP_WRISECTOR_CMD;
69 command[1] = dstAdd;
70 command[2] = (uint32_t) srcAdd;
71 command[3] = byteswrt;
72 command[4] = SystemCoreClock / 1000;
73 iap_entry(command, result);
74
75 return result[0];
76 }
77
78 /* Erase sector */
79 uint8_t Chip_IAP_EraseSector(uint32_t strSector, uint32_t endSector)
80 {
81 uint32_t command[5], result[5];
82
83 command[0] = IAP_ERSSECTOR_CMD;
84 command[1] = strSector;
85 command[2] = endSector;
86 command[3] = SystemCoreClock / 1000;
87 iap_entry(command, result);
88
89 return result[0];
90 }
91
92 /* Blank check sector */
93 uint8_t Chip_IAP_BlankCheckSector(uint32_t strSector, uint32_t endSector)
94 {
95 uint32_t command[5], result[5];
96
97 command[0] = IAP_BLANK_CHECK_SECTOR_CMD;
98 command[1] = strSector;
99 command[2] = endSector;
100 iap_entry(command, result);
101
102 return result[0];
103 }
104
105 /* Read part identification number */
106 uint32_t Chip_IAP_ReadPID(void)
107 {
108 uint32_t command[5], result[5];
109
110 command[0] = IAP_REPID_CMD;
111 iap_entry(command, result);
112
113 return result[1];
114 }
115
116 /* Read boot code version number */
117 uint32_t Chip_IAP_ReadBootCode(void)
118 {
119 uint32_t command[5], result[5];
120
121 command[0] = IAP_READ_BOOT_CODE_CMD;
122 iap_entry(command, result);
123
124 return result[1] & 0xffff;
125 }
126
127 /* IAP compare */
128 uint8_t Chip_IAP_Compare(uint32_t dstAdd, uint32_t srcAdd, uint32_t bytescmp)
129 {
130 uint32_t command[5], result[5];
131
132 command[0] = IAP_COMPARE_CMD;
133 command[1] = dstAdd;
134 command[2] = srcAdd;
135 command[3] = bytescmp;
136 iap_entry(command, result);
137
138 return result[0];
139 }
140
141 /* Reinvoke ISP */
142 uint8_t Chip_IAP_ReinvokeISP(void)
143 {
144 uint32_t command[5], result[5];
145
146 command[0] = IAP_REINVOKE_ISP_CMD;
147 iap_entry(command, result);
148
149 return result[0];
150 }
151
152 /* Read the unique ID */
153 uint32_t Chip_IAP_ReadUID(uint32_t* uid)
154 {
155 uint32_t command[5], result[5];
156 uint32_t i;
157
158 command[0] = IAP_READ_UID_CMD;
159 iap_entry(command, result);
160
161 for (i=0; i<4; i++)
162 *(uid+i) = result[i+1];
163
164 return result[0];
165 }
166
167 /* Erase page */
168 uint8_t Chip_IAP_ErasePage(uint32_t strPage, uint32_t endPage)
169 {
170 uint32_t command[5], result[5];
171
172 command[0] = IAP_ERASE_PAGE_CMD;
173 command[1] = strPage;
174 command[2] = endPage;
175 command[3] = SystemCoreClock / 1000;
176 iap_entry(command, result);
177
178 return result[0];
179 }