Revision 0:bc3d724e2ea5, committed 2014-01-21

Comitter:

yihui

Date:

Tue Jan 21 08:38:35 2014 +0000

Commit message:

initial

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DiskImage.c	Tue Jan 21 08:38:35 2014 +0000
@@ -0,0 +1,130 @@
+const unsigned char DiskImage[] = {
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+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+};
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBTinyDisk.cpp	Tue Jan 21 08:38:35 2014 +0000
@@ -0,0 +1,71 @@
+
+#include <stdint.h>
+#include "USBTinyDisk.h"
+
+#include "DiskImage.c"  // include DiskImage[]
+
+// Min size of a disk recognized by windows is 8192 bytes
+#define DISK_SIZE_MIN           8192
+#define DISK_SIZE()             ((sizeof(DiskImage) > DISK_SIZE_MIN) ? sizeof(DiskImage) : DISK_SIZE_MIN)
+
+USBTinyDisk::USBTinyDisk(uint16_t vendor_id, uint16_t product_id, uint16_t product_release) : USBMSD(vendor_id, product_id, product_release) {
+    
+}
+
+int USBTinyDisk::disk_read(uint8_t * data, uint64_t block) {
+    int offset = 512 * block;
+    if (offset < sizeof(DiskImage)) {
+        memcpy(data, DiskImage + offset, 512);
+    } else {
+        memset(data, 0, 512);
+    }
+    return 0;
+}
+
+int USBTinyDisk::disk_write(const uint8_t * data, uint64_t block) {
+    return 1;
+}
+
+int USBTinyDisk::disk_initialize() {
+    return 0;
+}
+
+uint64_t USBTinyDisk::disk_sectors() {
+    
+    return DISK_SIZE() / 512;
+}
+
+uint64_t USBTinyDisk::disk_size() {
+    return DISK_SIZE();
+}
+
+int USBTinyDisk::disk_status() {
+    return 4;
+}
+
+uint8_t * USBTinyDisk::stringImanufacturerDesc() {
+    static uint8_t stringImanufacturerDescriptor[] = {
+        0x0C,                                           //bLength
+        STRING_DESCRIPTOR,                              //bDescriptorType 0x03
+        'S',0,'E',0,'E',0,'E',0,'D',0                   //bString iVendor- Seeed
+    };
+    return stringImanufacturerDescriptor;
+}
+
+uint8_t * USBTinyDisk::stringIproductDesc() {
+    static uint8_t stringIproductDescriptor[] = {
+        0x12,                                           //bLength
+        STRING_DESCRIPTOR,                              //bDescriptorType 0x03
+        'A',0,'r',0,'c',0,'h',0,' ',0,'P',0,'r',0,'o',0 //bString iProduct - Arch
+    };
+    return stringIproductDescriptor;
+}
+
+uint8_t * USBTinyDisk::stringIserialDesc() {
+    static uint8_t stringIserialDescriptor[] = {
+        0x12,                                           //bLength
+        STRING_DESCRIPTOR,                              //bDescriptorType 0x03
+        '2',0,'0',0,'1',0,'3',0,'0',0,'9',0,'2',0,'2',0,'A',0      //bString iSerial - 20130620A
+    };
+    return stringIserialDescriptor;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBTinyDisk.h	Tue Jan 21 08:38:35 2014 +0000
@@ -0,0 +1,82 @@
+/*
+ * Implements a tiny USB disk
+ */
+
+#ifndef __USB_TINY_DISK_H__
+#define __USB_TINY_DISK_H__
+
+#include "USBMSD.h"
+
+class USBTinyDisk: public USBMSD {
+public:
+    USBTinyDisk(uint16_t vendor_id = 0x2886, uint16_t product_id = 0x0070, uint16_t product_release = 0x0001);
+
+protected:
+    /*
+    * read a block on a storage chip
+    *
+    * @param data pointer where will be stored read data
+    * @param block block number
+    * @returns 0 if successful
+    */
+    virtual int disk_read(uint8_t * data, uint64_t block);
+
+    /*
+    * write a block on a storage chip
+    *
+    * @param data data to write
+    * @param block block number
+    * @returns 0 if successful
+    */
+    virtual int disk_write(const uint8_t * data, uint64_t block);
+
+    /*
+    * Disk initilization
+    */
+    virtual int disk_initialize();
+
+    /*
+    * Return the number of blocks
+    *
+    * @returns number of blocks
+    */
+    virtual uint64_t disk_sectors();
+
+    /*
+    * Return memory size
+    *
+    * @returns memory size
+    */
+    virtual uint64_t disk_size();
+
+
+    /*
+    * To check the status of the storage chip
+    *
+    * @returns status: 0: OK, 1: disk not initialized, 2: no medium in the drive, 4: write protected
+    */
+    virtual int disk_status();
+    
+    /*
+    * Get string manufacturer descriptor
+    *
+    * @returns pointer to the string manufacturer descriptor
+    */
+    virtual uint8_t * stringImanufacturerDesc();
+    
+    /*
+    * Get string product descriptor
+    *
+    * @returns pointer to the string product descriptor
+    */
+    virtual uint8_t * stringIproductDesc();
+    
+    /*
+    * Get string serial descriptor
+    *
+    * @returns pointer to the string serial descriptor
+    */
+    virtual uint8_t * stringIserialDesc();
+};
+
+#endif