Norimasa Okamoto / USBLocalFileSystem

Emulation of LocalFileSystem with virtual COM.

Dependencies:   USBDevice

Dependents:   KL46Z-lpc81isp lpcterm2 

#include "USBLocalFileSystem.h"

int main() {
    USBLocalFileSystem* usb_local = new USBLocalFileSystem(); // RamDisk(64KB)

    while(1) {
        usb_local->lock(true);
        usb_local->remount();
        char filename[32];
        if (usb_local->find(filename, sizeof(filename), "*.TXT")) {
            FILE* fp = fopen(filename, "r");
            if (fp) {
                int c;
                while((c = fgetc(fp)) != EOF) {
                    usb_local->putc(c);
                }
                fclose(fp);
            }
        }    
        usb_local->lock(false);

        wait_ms(1000*5);
    }
}



Sample application：

Import programKL46Z-lpc81isp

ISP example program.

Last commit 04 May 2014 by Norimasa Okamoto

Import programlpcterm2

semihost server example program

Last commit 22 Jun 2014 by Norimasa Okamoto

Diff: src/SDStorage.h

Revision:
0:39eb4d5b97df
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/SDStorage.h	Sat May 03 11:21:37 2014 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+#include "StorageInterface.h"
+#include "SWSPI.h"
+
+class SDStorage : public StorageInterface {
+public:
+    SDStorage(PinName mosi, PinName miso, PinName sclk, PinName cs);
+
+    virtual int storage_read(uint8_t* data, uint32_t block);
+    virtual int storage_write(const uint8_t* data, uint32_t block);
+    virtual uint32_t storage_sectors();
+    virtual uint32_t storage_size();
+
+    int storage_initialize();
+
+protected:
+    int _cmd(int cmd, int arg);
+    int _cmdx(int cmd, int arg);
+    int _cmd8();
+    int _cmd58();
+    int initialise_card();
+    int initialise_card_v1();
+    int initialise_card_v2();
+    
+    int _read(uint8_t * buffer, uint32_t length);
+    int _write(const uint8_t *buffer, uint32_t length);
+    uint64_t _sd_sectors();
+    uint64_t _sectors;
+    SWSPI _spi;
+    DigitalOut _cs;
+    int cdv;
+};