Embedded Artists / Mbed OS DMSupport

A board support package for the LPC4088 Display Module.

Dependencies:   DM_HttpServer DM_USBHost

Dependents:   lpc4088_displaymodule_emwin lpc4088_displaymodule_demo_sphere sampleGUI sampleEmptyGUI ... more

Fork of DMSupport by EmbeddedArtists AB

FileSystems/RAMFileSystem.h@0:6b68dac0d986, 2014-11-21 (annotated)

Committer:
embeddedartists
Date:
Fri Nov 21 11:42:51 2014 +0000
Revision:
0:6b68dac0d986
Child:
9:a33326afd686
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:6b68dac0d986 1 #ifndef RAMFILESYSTEM_H
embeddedartists 0:6b68dac0d986 2 #define RAMFILESYSTEM_H
embeddedartists 0:6b68dac0d986 3
embeddedartists 0:6b68dac0d986 4 #include "mbed.h"
embeddedartists 0:6b68dac0d986 5 #include "FATFileSystem.h"
embeddedartists 0:6b68dac0d986 6 #include "sdram.h"
embeddedartists 0:6b68dac0d986 7 #include <stdint.h>
embeddedartists 0:6b68dac0d986 8
embeddedartists 0:6b68dac0d986 9 /** Creates a FAT file system in SDRAM
embeddedartists 0:6b68dac0d986 10 *
embeddedartists 0:6b68dac0d986 11 * @code
embeddedartists 0:6b68dac0d986 12 * #include "mbed.h"
embeddedartists 0:6b68dac0d986 13 * #include "RAMFileSystem.h"
embeddedartists 0:6b68dac0d986 14 *
embeddedartists 0:6b68dac0d986 15 * RAMFileSystem ramfs(0xA0000000, 4*1024*1024, "ram"); // 4MB of ram starting at 0xA...
embeddedartists 0:6b68dac0d986 16 *
embeddedartists 0:6b68dac0d986 17 * int main() {
embeddedartists 0:6b68dac0d986 18 * sdram_init();
embeddedartists 0:6b68dac0d986 19 *
embeddedartists 0:6b68dac0d986 20 * FILE *fp = fopen("/ram/myfile.txt", "w");
embeddedartists 0:6b68dac0d986 21 * fprintf(fp, "Hello World!\n");
embeddedartists 0:6b68dac0d986 22 * fclose(fp);
embeddedartists 0:6b68dac0d986 23 * }
embeddedartists 0:6b68dac0d986 24 * @endcode
embeddedartists 0:6b68dac0d986 25 */
embeddedartists 0:6b68dac0d986 26 class RAMFileSystem : public FATFileSystem {
embeddedartists 0:6b68dac0d986 27 public:
embeddedartists 0:6b68dac0d986 28
embeddedartists 0:6b68dac0d986 29 /** Create the File System in RAM
embeddedartists 0:6b68dac0d986 30 *
embeddedartists 0:6b68dac0d986 31 * @param addr Start of memory to use for file system
embeddedartists 0:6b68dac0d986 32 * @param size Number of bytes to use for file system
embeddedartists 0:6b68dac0d986 33 * @param name The name used to access the virtual filesystem
embeddedartists 0:6b68dac0d986 34 */
embeddedartists 0:6b68dac0d986 35 RAMFileSystem(uint32_t addr, uint32_t size, const char* name);
embeddedartists 0:6b68dac0d986 36 virtual int disk_initialize();
embeddedartists 0:6b68dac0d986 37 virtual int disk_status();
embeddedartists 0:6b68dac0d986 38 virtual int disk_read(uint8_t * buffer, uint64_t sector, uint8_t count);
embeddedartists 0:6b68dac0d986 39 virtual int disk_write(const uint8_t * buffer, uint64_t sector, uint8_t count);
embeddedartists 0:6b68dac0d986 40 virtual int disk_sync();
embeddedartists 0:6b68dac0d986 41 virtual uint64_t disk_sectors();
embeddedartists 0:6b68dac0d986 42
embeddedartists 0:6b68dac0d986 43 uint64_t disk_size();
embeddedartists 0:6b68dac0d986 44
embeddedartists 0:6b68dac0d986 45 protected:
embeddedartists 0:6b68dac0d986 46
embeddedartists 0:6b68dac0d986 47 uint32_t memStart;
embeddedartists 0:6b68dac0d986 48 uint32_t memSize;
embeddedartists 0:6b68dac0d986 49 int status;
embeddedartists 0:6b68dac0d986 50 };
embeddedartists 0:6b68dac0d986 51
embeddedartists 0:6b68dac0d986 52 #endif
embeddedartists 0:6b68dac0d986 53