[ FORK ] USBSDFileSystem; fork from karelv/USBSDFilesystem
Dependents: USBMSD_CDC_11U35test
Fork of USBSDFileSystem by
USBSDFileSystem.h@2:b2034ad4951b, 2015-04-21 (annotated)
- Committer:
- k4zuki
- Date:
- Tue Apr 21 09:08:46 2015 +0000
- Revision:
- 2:b2034ad4951b
- Parent:
- 0:c3d2e89ca30d
[ FIX ] matching latest USBMSD library(2015-Apr)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
karelv | 0:c3d2e89ca30d | 1 | #ifndef MBED_SDFILESYSTEM_H |
karelv | 0:c3d2e89ca30d | 2 | #define MBED_SDFILESYSTEM_H |
karelv | 0:c3d2e89ca30d | 3 | |
karelv | 0:c3d2e89ca30d | 4 | #include "mbed.h" |
karelv | 0:c3d2e89ca30d | 5 | #include "USBFileSystem.h" |
karelv | 0:c3d2e89ca30d | 6 | #include <stdint.h> |
karelv | 0:c3d2e89ca30d | 7 | |
karelv | 0:c3d2e89ca30d | 8 | /** Access the filesystem on an SD Card using SPI |
karelv | 0:c3d2e89ca30d | 9 | * |
karelv | 0:c3d2e89ca30d | 10 | * @code |
karelv | 0:c3d2e89ca30d | 11 | * #include "mbed.h" |
karelv | 0:c3d2e89ca30d | 12 | * #include "SDFileSystem.h" |
karelv | 0:c3d2e89ca30d | 13 | * |
karelv | 0:c3d2e89ca30d | 14 | * USBSDFileSystem sd("sd", p5, p6, p7, p12); // mosi, miso, sclk, cs |
karelv | 0:c3d2e89ca30d | 15 | * |
karelv | 0:c3d2e89ca30d | 16 | * int main() { |
karelv | 0:c3d2e89ca30d | 17 | * FILE *fp = fopen("/sd/myfile.txt", "w"); |
karelv | 0:c3d2e89ca30d | 18 | * fprintf(fp, "Hello World!\n"); |
karelv | 0:c3d2e89ca30d | 19 | * fclose(fp); |
karelv | 0:c3d2e89ca30d | 20 | * } |
karelv | 0:c3d2e89ca30d | 21 | */ |
karelv | 0:c3d2e89ca30d | 22 | class USBSDFileSystem : public USBFileSystem { |
karelv | 0:c3d2e89ca30d | 23 | public: |
karelv | 0:c3d2e89ca30d | 24 | |
karelv | 0:c3d2e89ca30d | 25 | /** Create the File System for accessing an SD Card using SPI |
karelv | 0:c3d2e89ca30d | 26 | * |
karelv | 0:c3d2e89ca30d | 27 | * @param mosi SPI mosi pin connected to SD Card |
karelv | 0:c3d2e89ca30d | 28 | * @param miso SPI miso pin conencted to SD Card |
karelv | 0:c3d2e89ca30d | 29 | * @param sclk SPI sclk pin connected to SD Card |
karelv | 0:c3d2e89ca30d | 30 | * @param cs DigitalOut pin used as SD Card chip select |
karelv | 0:c3d2e89ca30d | 31 | * @param name The name used to access the virtual filesystem |
karelv | 0:c3d2e89ca30d | 32 | */ |
karelv | 0:c3d2e89ca30d | 33 | USBSDFileSystem(const char *name, PinName mosi, PinName miso, PinName sclk, PinName cs); |
karelv | 0:c3d2e89ca30d | 34 | virtual int disk_initialize(); |
karelv | 0:c3d2e89ca30d | 35 | virtual int _disk_status(); |
k4zuki | 2:b2034ad4951b | 36 | virtual int disk_read(uint8_t * buffer, uint64_t sector, uint8_t count); |
k4zuki | 2:b2034ad4951b | 37 | virtual int _disk_write(const uint8_t * buffer, uint64_t sector, uint8_t count); |
karelv | 0:c3d2e89ca30d | 38 | virtual int disk_sync(); |
karelv | 0:c3d2e89ca30d | 39 | virtual uint64_t disk_sectors(); |
karelv | 0:c3d2e89ca30d | 40 | |
karelv | 0:c3d2e89ca30d | 41 | protected: |
karelv | 0:c3d2e89ca30d | 42 | |
karelv | 0:c3d2e89ca30d | 43 | int _cmd(int cmd, int arg); |
karelv | 0:c3d2e89ca30d | 44 | int _cmdx(int cmd, int arg); |
karelv | 0:c3d2e89ca30d | 45 | int _cmd8(); |
karelv | 0:c3d2e89ca30d | 46 | int _cmd58(); |
karelv | 0:c3d2e89ca30d | 47 | int initialise_card(); |
karelv | 0:c3d2e89ca30d | 48 | int initialise_card_v1(); |
karelv | 0:c3d2e89ca30d | 49 | int initialise_card_v2(); |
karelv | 0:c3d2e89ca30d | 50 | |
karelv | 0:c3d2e89ca30d | 51 | int _read(uint8_t * buffer, uint32_t length); |
karelv | 0:c3d2e89ca30d | 52 | int _write(const uint8_t *buffer, uint32_t length); |
karelv | 0:c3d2e89ca30d | 53 | uint64_t _sd_sectors(); |
karelv | 0:c3d2e89ca30d | 54 | uint64_t _sectors; |
karelv | 0:c3d2e89ca30d | 55 | |
karelv | 0:c3d2e89ca30d | 56 | uint8_t _status; |
karelv | 0:c3d2e89ca30d | 57 | |
karelv | 0:c3d2e89ca30d | 58 | SPI _spi; |
karelv | 0:c3d2e89ca30d | 59 | DigitalOut _cs; |
karelv | 0:c3d2e89ca30d | 60 | int cdv; |
karelv | 0:c3d2e89ca30d | 61 | }; |
karelv | 0:c3d2e89ca30d | 62 | |
karelv | 0:c3d2e89ca30d | 63 | #endif |