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.cpp

Branch:
branch
Revision:
2:97c314eae8b8
Parent:
0:39eb4d5b97df
--- a/src/SDStorage.cpp	Sun May 04 00:23:05 2014 +0000
+++ b/src/SDStorage.cpp	Tue May 06 15:42:30 2014 +0900
@@ -225,7 +225,7 @@
  
 /* virtual */ int SDStorage::storage_write(const uint8_t *buffer, uint32_t block_number) {
     SD_DBG2("W %d", block_number);
-    update();
+    report_write_count++;
     // set write address for single block (CMD24)
     if (_cmd(24, block_number * cdv) != 0) {
         return 1;
@@ -238,7 +238,7 @@
  
 /* virtual */ int SDStorage::storage_read(uint8_t *buffer, uint32_t block_number) {
     SD_DBG2("R %d", block_number);
-    update();
+    report_read_count++;
     // set read address for single block (CMD17)
     if (_cmd(17, block_number * cdv) != 0) {
         return 1;
@@ -251,7 +251,10 @@
  
 //int SDStorage::disk_status() { return 0; }
 //int SDStorage::disk_sync() { return 0; }
-/* virtual */ uint32_t SDStorage::storage_sectors() { return _sectors; }
+/* virtual */ uint32_t SDStorage::storage_sectors() { 
+    report_sectors_count++;
+    return _sectors;
+}
  
  
 // PRIVATE FUNCTIONS
@@ -479,6 +482,7 @@
 
 /* virtual */ uint32_t SDStorage::storage_size()
 {
+    report_size_count++;
     return _sectors * 512;
 }