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DataRam.h
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1 /*
2 * Copyright(C) NXP Semiconductors, 2012
3 * All rights reserved.
4 *
5 * Software that is described herein is for illustrative purposes only
6 * which provides customers with programming information regarding the
7 * LPC products. This software is supplied "AS IS" without any warranties of
8 * any kind, and NXP Semiconductors and its licensor disclaim any and
9 * all warranties, express or implied, including all implied warranties of
10 * merchantability, fitness for a particular purpose and non-infringement of
11 * intellectual property rights. NXP Semiconductors assumes no responsibility
12 * or liability for the use of the software, conveys no license or rights under any
13 * patent, copyright, mask work right, or any other intellectual property rights in
14 * or to any products. NXP Semiconductors reserves the right to make changes
15 * in the software without notification. NXP Semiconductors also makes no
16 * representation or warranty that such application will be suitable for the
17 * specified use without further testing or modification.
18 *
19 * Permission to use, copy, modify, and distribute this software and its
20 * documentation is hereby granted, under NXP Semiconductors' and its
21 * licensor's relevant copyrights in the software, without fee, provided that it
22 * is used in conjunction with NXP Semiconductors microcontrollers. This
23 * copyright, permission, and disclaimer notice must appear in all copies of
24 * this code.
25 */
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28 
34 #ifndef _DATARAM_H_
35 #define _DATARAM_H_
36  /* Includes: */
37  #include "../MassStorage.h"
38  #include "../Descriptors.h"
39  #include "USB.h"
40 
41  /* Defines: */
43  #if defined(CHIP_LPC18XX) || defined(CHIP_LPC43XX)
44  #define DATA_RAM_START_ADDRESS 0x20000000
45  #define DATA_RAM_PHYSICAL_SIZE 0x2000
46  #define DATA_RAM_VIRTUAL_SIZE 0x2000
47  #endif
48  #if defined(CHIP_LPC175X_6X)
49  #define DATA_RAM_START_ADDRESS 0x20080000
50  #define DATA_RAM_PHYSICAL_SIZE 0x4000
51  #define DATA_RAM_VIRTUAL_SIZE 0x4000
52  #endif
53  #if defined(CHIP_LPC177X_8X)
54  #define DATA_RAM_START_ADDRESS 0x20040000
55  #define DATA_RAM_PHYSICAL_SIZE 0x4000
56  #define DATA_RAM_VIRTUAL_SIZE 0x4000
57  #endif
58  #if defined(CHIP_LPC11UXX)
59  #define DATA_RAM_START_ADDRESS 0x20080000
60  #define DATA_RAM_PHYSICAL_SIZE 0xa00
61  #define DATA_RAM_VIRTUAL_SIZE 0x4000 /* fake capacity to trick windows */
62  #endif
63 
64  #define VIRTUAL_MEMORY_BYTES DATA_RAM_VIRTUAL_SIZE
65  #define DATA_RAM_BLOCK_SIZE 0x200
66 
70  #define VIRTUAL_MEMORY_BLOCK_SIZE 512
71 
75  #define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE)
76 
77  /* Function Prototypes: */
78  void DataRam_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
79  const uint32_t BlockAddress,
80  uint16_t TotalBlocks);
81  void DataRam_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
82  const uint32_t BlockAddress,
83  uint16_t TotalBlocks);
84  uint32_t MassStorage_GetAddressInImage(uint32_t startblock, uint16_t requestblocks, uint16_t *availableblocks);
85  void DataRam_Initialize(void);
86 #endif
87