| 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
ramdisk.h
Go to the documentation of this file.
1 /*
2 * @brief USB Mass Storage data RAM module
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
37 #ifndef __RAMDISK_H_
38 #define __RAMDISK_H_
39 /* Includes: */
40 #include "usbmsdev.h"
41 #include "Descriptors.h"
42 #include "USB.h"
43
51 /* Defines: */
53 #if defined(CHIP_LPC18XX) || defined(CHIP_LPC43XX)
54 #define DATA_RAM_START_ADDRESS RAMDISK_LOCATION
55 #define DATA_RAM_PHYSICAL_SIZE RAMDISK_SIZE
56 #define DATA_RAM_VIRTUAL_SIZE 0x2000
57 #define DATA_RAM_BLOCK_SIZE 0x200
58 #endif
59 #if defined(CHIP_LPC175X_6X)
60 #define DATA_RAM_START_ADDRESS 0x20080000
61 #define DATA_RAM_PHYSICAL_SIZE 0x4000
62 #define DATA_RAM_VIRTUAL_SIZE 0x4000
63 #endif
64 #if defined(CHIP_LPC177X_8X)
65 #define DATA_RAM_START_ADDRESS 0x20040000
66 #define DATA_RAM_PHYSICAL_SIZE 0x4000
67 #define DATA_RAM_VIRTUAL_SIZE 0x4000
68 #endif
69 #if defined(CHIP_LPC11UXX)
70 #define DATA_RAM_START_ADDRESS 0x20080000
71 #define DATA_RAM_PHYSICAL_SIZE 0xa00
72 #define DATA_RAM_VIRTUAL_SIZE 0x4000 /* fake capacity to trick windows */
73 #endif
74
75 #define VIRTUAL_MEMORY_BYTES DATA_RAM_VIRTUAL_SIZE
76
80 #define VIRTUAL_MEMORY_BLOCK_SIZE 512
81
85 #define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE)
86
97 void DataRam_WriteBlocks(USB_ClassInfo_MS_Device_t *const MSInterfaceInfo,
98 const uint32_t BlockAddress,
99 uint16_t TotalBlocks);
100
111 void DataRam_ReadBlocks(USB_ClassInfo_MS_Device_t *const MSInterfaceInfo,
112 const uint32_t BlockAddress,
113 uint16_t TotalBlocks);
114
120 void DataRam_Initialize(void);
121
130 uint32_t MassStorage_GetAddressInImage(uint32_t startblock, uint16_t requestblocks, uint16_t *availableblocks);
131
136 #endif