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fsmci_cfg.h
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1 /*
2 * @brief LPC18xx/43xx SDMMC Card, ChaN FAT FS configuration file
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 #ifndef __FSMCI_CFG_H_
33 #define __FSMCI_CFG_H_
34
40 #include <string.h>
41 #include "ffconf.h"
42 #include "diskio.h"
43 #include "board.h"
44
45 typedef mci_card_struct CARD_HANDLE_T;
46
53 #define FSMCI_CardAcquire(hc) Chip_SDMMC_Acquire(LPC_SDMMC, hc)
54
63 #define FSMCI_CardInit() (&sdcardinfo)
64
71 #define FSMCI_CardGetSectorCnt(hc) ((hc)->card_info.blocknr)
72
77 #define FSMCI_CardGetSectorSz(hc) ((hc)->card_info.block_len)
78
79
84 #define FSMCI_CardGetBlockSz(hc) (4UL * 1024)
85
90 #define FSMCI_CardGetType(hc) ((hc)->card_info.card_type)
91
96 #define FSMCI_CardGetCSD(hc, n) ((hc)->card_info.csd[(n)])
97
102 #define FSMCI_CardGetCID(hc, n) ((hc)->card_info.cid[(n)])
103
108 #define FSMCI_CardReadSectors(hc, buf, startSector, numSector) \
109 Chip_SDMMC_ReadBlocks(LPC_SDMMC, buf, startSector, numSector)
110
115 #define FSMCI_CardWriteSectors(hc, buf, startSector, numSector) \
116 Chip_SDMMC_WriteBlocks(LPC_SDMMC, buf, startSector, numSector)
117
122 #define FSMCI_InitRealTimeClock() rtc_initialize()
123
124 /* This example need not have to wait for card */
125 #define FSMCI_CardInsertWait(hc) /* Ignored*/
126
127 extern CARD_HANDLE_T sdcardinfo;
128 extern void rtc_initialize(void);
136 STATIC INLINE int FSMCI_CardReadyWait(CARD_HANDLE_T *hCrd, int tout)
137 {
138 int32_t curr = (int32_t) Chip_RIT_GetCounter(LPC_RITIMER);
139 int32_t final = curr + ((SystemCoreClock / 1000) * tout);
140
141 if ((final < 0) && (curr > 0)) {
142 while (Chip_RIT_GetCounter(LPC_RITIMER) < (uint32_t) final) { if (Chip_SDMMC_GetState(LPC_SDMMC) != -1) break; }
143 }
144 else {
145 while ((int32_t) Chip_RIT_GetCounter(LPC_RITIMER) < final) { if (Chip_SDMMC_GetState(LPC_SDMMC) != -1) break; }
146 }
147
148 return Chip_SDMMC_GetState(LPC_SDMMC) != -1;
149 }
150
157 STATIC INLINE int FSMCI_CardGetState(CARD_HANDLE_T *hCrd, uint8_t *buff)
158 {
159 int state;
160 state = Chip_SDMMC_GetState(LPC_SDMMC);
161 if (state == -1) return 0;
162 memcpy(buff, &state, sizeof(int));
163 return 1;
164 }
165
170 #endif /* ifndef __FSMCI_CFG_H_ */