LPCOpen Platform for LPC18XX/43XX microcontrollers: C:/w/lpcopen_docs/software/lpc_core/lpc_chip/chip_18xx_43xx/fmc_18xx_43xx.h Source File

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fmc_18xx_43xx.h
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1 /*
2 * @brief LPC18xx/43xx FLASH Memory Controller (FMC) driver
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 #ifndef __FMC_18XX_43XX_H_
33 #define __FMC_18XX_43XX_H_
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
47 typedef struct {
48 __I uint32_t RESERVED1[8];
49 __IO uint32_t FMSSTART;
50 __IO uint32_t FMSSTOP;
51 __I uint32_t RESERVED2;
52 __I uint32_t FMSW[4];
53 __I uint32_t RESERVED3[1001];
54 __I uint32_t FMSTAT;
55 __I uint32_t RESERVED5;
56 __O uint32_t FMSTATCLR;
57 __I uint32_t RESERVED4[5];
58 } LPC_FMC_T;
59
60 /* Flash signature start and busy status bit */
61 #define FMC_FLASHSIG_BUSY (1UL << 17)
62
63 /* Flash signature clear status bit */
64 #define FMC_FLASHSIG_STAT (1 << 2)
65
77 STATIC INLINE void Chip_FMC_ComputeSignature(uint8_t bank, uint32_t start, uint32_t stop)
78 {
79 LPC_FMC[bank]->FMSSTART = (start >> 4);
80 LPC_FMC[bank]->FMSTATCLR = FMC_FLASHSIG_STAT;
81 LPC_FMC[bank]->FMSSTOP = (stop >> 4) | FMC_FLASHSIG_BUSY;
82 }
83
95 STATIC INLINE void Chip_FMC_ComputeSignatureBlocks(uint8_t bank, uint32_t start, uint32_t blocks)
96 {
97 Chip_FMC_ComputeSignature(bank, start, (start + (blocks * 16)));
98 }
99
105 STATIC INLINE void Chip_FMC_ClearSignatureBusy(uint8_t bank)
106 {
107 LPC_FMC[bank]->FMSTATCLR = FMC_FLASHSIG_STAT;
108 }
109
115 STATIC INLINE bool Chip_FMC_IsSignatureBusy(uint8_t bank)
116 {
117 return (bool) ((LPC_FMC[bank]->FMSTAT & FMC_FLASHSIG_STAT) == 0);
118 }
119
126 STATIC INLINE uint32_t Chip_FMC_GetSignature(uint8_t bank, int index)
127 {
128 return LPC_FMC[bank]->FMSW[index];
129 }
130
135 #ifdef __cplusplus
136 }
137 #endif
138
139 #endif /* __FMC_18XX_43XX_H_ */