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

USBMSD2/USB_CDC.h@6:528036abfb02, 2014-06-21 (annotated)

Committer:
va009039
Date:
Sat Jun 21 22:39:59 2014 +0000
Revision:
6:528036abfb02
Parent:
4:8f6857784854 
add LPC11U68

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:39eb4d5b97df 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
va009039 0:39eb4d5b97df 2 *
va009039 0:39eb4d5b97df 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
va009039 0:39eb4d5b97df 4 * and associated documentation files (the "Software"), to deal in the Software without
va009039 0:39eb4d5b97df 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
va009039 0:39eb4d5b97df 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
va009039 0:39eb4d5b97df 7 * Software is furnished to do so, subject to the following conditions:
va009039 0:39eb4d5b97df 8 *
va009039 0:39eb4d5b97df 9 * The above copyright notice and this permission notice shall be included in all copies or
va009039 0:39eb4d5b97df 10 * substantial portions of the Software.
va009039 0:39eb4d5b97df 11 *
va009039 0:39eb4d5b97df 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
va009039 0:39eb4d5b97df 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
va009039 0:39eb4d5b97df 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
va009039 0:39eb4d5b97df 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
va009039 0:39eb4d5b97df 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
va009039 0:39eb4d5b97df 17 */
va009039 0:39eb4d5b97df 18
va009039 0:39eb4d5b97df 19 #pragma once
va009039 0:39eb4d5b97df 20
va009039 0:39eb4d5b97df 21 #include "USBDevice.h"
va009039 0:39eb4d5b97df 22 #include "CircBuffer.h"
va009039 0:39eb4d5b97df 23
va009039 0:39eb4d5b97df 24 #if defined(TARGET_LPC1768)||defined(TARGET_LPC4088)
va009039 0:39eb4d5b97df 25 #define CDC_EPINT_IN EP1IN
va009039 0:39eb4d5b97df 26 #define CDC_EPBULK_IN EP5IN
va009039 0:39eb4d5b97df 27 #define CDC_EPBULK_OUT EP5OUT
va009039 6:528036abfb02 28 #elif defined(TARGET_LPC1347)||defined(TARGET_LPC11U24)||defined(TARGET_LPC11U35_401)||defined(TARGET_LPC11U35_501)||defined(TARGET_LPC1549)||defined(TARGET_LPC11U68)
va009039 0:39eb4d5b97df 29 #define CDC_EPINT_IN EP1IN
va009039 0:39eb4d5b97df 30 #define CDC_EPBULK_IN EP3IN
va009039 0:39eb4d5b97df 31 #define CDC_EPBULK_OUT EP3OUT
va009039 0:39eb4d5b97df 32 #elif defined(TARGET_KL25Z)||defined(TARGET_KL46Z)
va009039 0:39eb4d5b97df 33 #define CDC_EPINT_IN EP1IN
va009039 0:39eb4d5b97df 34 #define CDC_EPBULK_IN EP5IN
va009039 0:39eb4d5b97df 35 #define CDC_EPBULK_OUT EP5OUT
va009039 0:39eb4d5b97df 36 #else
va009039 0:39eb4d5b97df 37 #error "target type error"
va009039 0:39eb4d5b97df 38 #endif
va009039 0:39eb4d5b97df 39
va009039 0:39eb4d5b97df 40 class USB_CDC {
va009039 0:39eb4d5b97df 41 public:
va009039 0:39eb4d5b97df 42 USB_CDC(USBDevice* device);
va009039 0:39eb4d5b97df 43
va009039 0:39eb4d5b97df 44 /** target to virtual COM
va009039 0:39eb4d5b97df 45 */
va009039 0:39eb4d5b97df 46 void putc(int c);
va009039 0:39eb4d5b97df 47
va009039 0:39eb4d5b97df 48 /** virtial COM to target
va009039 0:39eb4d5b97df 49 */
va009039 0:39eb4d5b97df 50 int getc();
va009039 0:39eb4d5b97df 51
va009039 0:39eb4d5b97df 52 int readable();
va009039 0:39eb4d5b97df 53
va009039 0:39eb4d5b97df 54 int writeable();
va009039 0:39eb4d5b97df 55
va009039 0:39eb4d5b97df 56 /*
va009039 0:39eb4d5b97df 57 * Send a buffer
va009039 0:39eb4d5b97df 58 *
va009039 0:39eb4d5b97df 59 * @param endpoint endpoint which will be sent the buffer
va009039 0:39eb4d5b97df 60 * @param buffer buffer to be sent
va009039 0:39eb4d5b97df 61 * @param size length of the buffer
va009039 0:39eb4d5b97df 62 * @returns true if successful
va009039 0:39eb4d5b97df 63 */
va009039 0:39eb4d5b97df 64 bool send(uint8_t * buffer, uint32_t size);
va009039 0:39eb4d5b97df 65
va009039 0:39eb4d5b97df 66 /*
va009039 0:39eb4d5b97df 67 * Read a buffer from a certain endpoint. Warning: blocking
va009039 0:39eb4d5b97df 68 *
va009039 0:39eb4d5b97df 69 * @param endpoint endpoint to read
va009039 0:39eb4d5b97df 70 * @param buffer buffer where will be stored bytes
va009039 0:39eb4d5b97df 71 * @param size the number of bytes read will be stored in *size
va009039 0:39eb4d5b97df 72 * @param maxSize the maximum length that can be read
va009039 0:39eb4d5b97df 73 * @returns true if successful
va009039 0:39eb4d5b97df 74 */
va009039 0:39eb4d5b97df 75 bool readEP(uint8_t * buffer, uint32_t * size);
va009039 0:39eb4d5b97df 76
va009039 0:39eb4d5b97df 77 /*
va009039 0:39eb4d5b97df 78 * Read a buffer from a certain endpoint. Warning: non blocking
va009039 0:39eb4d5b97df 79 *
va009039 0:39eb4d5b97df 80 * @param endpoint endpoint to read
va009039 0:39eb4d5b97df 81 * @param buffer buffer where will be stored bytes
va009039 0:39eb4d5b97df 82 * @param size the number of bytes read will be stored in *size
va009039 0:39eb4d5b97df 83 * @param maxSize the maximum length that can be read
va009039 0:39eb4d5b97df 84 * @returns true if successful
va009039 0:39eb4d5b97df 85 */
va009039 0:39eb4d5b97df 86 bool readEP_NB(uint8_t * buffer, uint32_t * size);
va009039 0:39eb4d5b97df 87
va009039 0:39eb4d5b97df 88 bool Request_callback(CONTROL_TRANSFER* transfer);
va009039 0:39eb4d5b97df 89 bool RequestCompleted_callback(CONTROL_TRANSFER* transfer, uint8_t* buf, int length);
va009039 0:39eb4d5b97df 90 bool EPBULK_OUT_callback();
va009039 4:8f6857784854 91
va009039 4:8f6857784854 92 /**
va009039 4:8f6857784854 93 * Attach a callback to call when serial's settings are changed.
va009039 4:8f6857784854 94 *
va009039 4:8f6857784854 95 * @param fptr function pointer
va009039 4:8f6857784854 96 */
va009039 4:8f6857784854 97 void attach(void (*fptr)(int baud, int bits, int parity, int stop)) {
va009039 4:8f6857784854 98 settingsChangedCallback = fptr;
va009039 4:8f6857784854 99 }
va009039 4:8f6857784854 100
va009039 4:8f6857784854 101 void attachControlLineStateChanged(void (*fptr)(int rts, int dtr)) {
va009039 4:8f6857784854 102 controlLineStateChangedCallback = fptr;
va009039 4:8f6857784854 103 }
va009039 4:8f6857784854 104
va009039 4:8f6857784854 105 void attachSendBreak(void (*fptr)(uint16_t duration)) {
va009039 4:8f6857784854 106 sendBreakCallback = fptr;
va009039 4:8f6857784854 107 }
va009039 0:39eb4d5b97df 108
va009039 4:8f6857784854 109 protected:
va009039 4:8f6857784854 110 void lineCodingChanged(int baud, int bits, int parity, int stop);
va009039 4:8f6857784854 111 void controlLineStateChanged(int rts, int dtr);
va009039 4:8f6857784854 112 void sendBreak(uint16_t duration);
va009039 4:8f6857784854 113
va009039 0:39eb4d5b97df 114 private:
va009039 0:39eb4d5b97df 115 USBDevice* _device;
va009039 0:39eb4d5b97df 116 CircBuffer<uint8_t> _rx_buf;
va009039 4:8f6857784854 117 void (*settingsChangedCallback)(int baud, int bits, int parity, int stop);
va009039 4:8f6857784854 118 void (*controlLineStateChangedCallback)(int rts, int dtr);
va009039 4:8f6857784854 119 void (*sendBreakCallback)(uint16_t duration);
va009039 0:39eb4d5b97df 120 volatile bool terminal_connected;
va009039 0:39eb4d5b97df 121 };
va009039 4:8f6857784854 122