Verbose lsusb of device
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README.md
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README.md
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@ -8,6 +8,106 @@
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* WiFi: `Atheros AR6103G-BM2D, P0BV68.2BE5, P0BV68.2B, 1441`
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* Flash: `ATO, 1440N, MST5F08G16G, NH-2106, 5FGHG46V17W`
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**USB Details**
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```
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Bus 005 Device 017: ID 4255:1000 GoPro 9FF2 [Digital Photo Display]
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Device Descriptor:
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bLength 18
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bDescriptorType 1
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bcdUSB 2.00
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bDeviceClass 0
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bDeviceSubClass 0
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bDeviceProtocol 0
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bMaxPacketSize0 64
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idVendor 0x4255 GoPro
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idProduct 0x1000 9FF2 [Digital Photo Display]
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bcdDevice 0.00
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iManufacturer 1 AMON
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iProduct 2 MST-X7
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iSerial 3 123456789ABC
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bNumConfigurations 2
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Configuration Descriptor:
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bLength 9
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bDescriptorType 2
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wTotalLength 0x0020
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bNumInterfaces 1
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bConfigurationValue 1
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iConfiguration 0
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bmAttributes 0x80
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(Bus Powered)
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MaxPower 500mA
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Interface Descriptor:
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bLength 9
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bDescriptorType 4
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bInterfaceNumber 0
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bAlternateSetting 0
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bNumEndpoints 2
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bInterfaceClass 8 Mass Storage
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bInterfaceSubClass 6 SCSI
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bInterfaceProtocol 80 Bulk-Only
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iInterface 0
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Endpoint Descriptor:
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bLength 7
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bDescriptorType 5
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bEndpointAddress 0x01 EP 1 OUT
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bmAttributes 2
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Transfer Type Bulk
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Synch Type None
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Usage Type Data
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wMaxPacketSize 0x0200 1x 512 bytes
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bInterval 0
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Endpoint Descriptor:
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bLength 7
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bDescriptorType 5
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bEndpointAddress 0x81 EP 1 IN
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bmAttributes 2
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Transfer Type Bulk
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Synch Type None
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Usage Type Data
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wMaxPacketSize 0x0200 1x 512 bytes
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bInterval 0
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Configuration Descriptor:
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bLength 9
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bDescriptorType 2
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wTotalLength 0x0020
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bNumInterfaces 1
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bConfigurationValue 2
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iConfiguration 0
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bmAttributes 0xc0
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Self Powered
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MaxPower 2mA
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Interface Descriptor:
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bLength 9
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bDescriptorType 4
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bInterfaceNumber 0
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bAlternateSetting 0
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bNumEndpoints 2
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bInterfaceClass 8 Mass Storage
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bInterfaceSubClass 6 SCSI
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bInterfaceProtocol 80 Bulk-Only
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iInterface 0
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Endpoint Descriptor:
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bLength 7
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bDescriptorType 5
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bEndpointAddress 0x01 EP 1 OUT
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bmAttributes 2
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Transfer Type Bulk
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Synch Type None
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Usage Type Data
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wMaxPacketSize 0x0200 1x 512 bytes
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bInterval 0
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Endpoint Descriptor:
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bLength 7
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bDescriptorType 5
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bEndpointAddress 0x81 EP 1 IN
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bmAttributes 2
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Transfer Type Bulk
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Synch Type None
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Usage Type Data
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wMaxPacketSize 0x0200 1x 512 bytes
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bInterval 0
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```
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### Research: File/Drive Access by Action Manager 1.3
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@ -164,81 +264,7 @@ wlan0 AR6000 802.11ng ESSID:"X7APP" Nickname:""
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Trying to reproduce `IOCTL_SCSI_PASS_THROUGH` with Linux.
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Code example #1:
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```
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#define DEF_TIMEOUT 5000 // 5 seconds
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char cDiskName[] = "/dev/sg3";
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int fd = open(cDiskName, O_RDWR);
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if (fd < 0)
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{
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printf("Open error: %s, errno=%d (%s)\n", cDiskName, errno, strerror(errno));
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return 1;
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}
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unsigned char turCmbBlk[] = {0x00, 0, 0, 0, 0, 0};
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struct sg_io_hdr io_hdr;
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unsigned char cIOBuffer[100];
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// buffer initialization code omitted
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memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
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io_hdr.interface_id = 'S';
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io_hdr.cmd_len = sizeof(turCmbBlk);
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io_hdr.mx_sb_len = sizeof(cIOBuffer);
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io_hdr.dxfer_direction = SG_DXFER_NONE;
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io_hdr.cmdp = turCmbBlk;
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io_hdr.sbp = cIOBuffer;
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io_hdr.timeout = DEF_TIMEOUT;
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if (ioctl(fd, SG_IO, &io_hdr) < 0)
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{
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printf("ioctl error: errno=%d (%s)\n", errno, strerror(errno));
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}
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// Code returned here without any errors but cIOBuffer remains unchanged.
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```
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```
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#define BUFF_SIZE 100 // - Buffersize
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#define DEF_TIMEOUT 5000 // 5 seconds
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char cDiskName[] = "/dev/sg3";
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int fd = open(cDiskName, O_RDWR);
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if (fd < 0)
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{
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printf("Open error: %s, errno=%d (%s)\n", cDiskName, errno, strerror(errno));
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return 1;
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}
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unsigned char turCmbBlk[] = {0x00, 0, 0, 0, 0, 0};
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struct sg_io_hdr *p = (struct sg_io_hdr *) malloc(sizeof(struct sg_io_hdr)); // - dynamic memory allocation - free() required somewhere
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unsigned char cIOBuffer[BUFF_SIZE];
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unsigned char replyBuffer[BUFF_SIZE]; // - dxfer buffer
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// buffer initialization code omitted
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memset(p, 0, sizeof(struct sg_io_hdr));
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p->interface_id = 'S';
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p->cmd_len = sizeof(turCmbBlk);
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p->mx_sb_len = BUFF_SIZE;
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p->dxfer_direction = SG_DXFER_NONE;
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p->cmdp = turCmbBlk;
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p->sbp = cIOBuffer;
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p->timeout = DEF_TIMEOUT;
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p->flags = SG_FLAG_DIRECT_IO; // - Does this help?
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p->dxferp = replyBuffer; // - Set dxferp buffer - (A)
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p->dxfer_len = BUFF_SIZE; // - buffersize
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if (ioctl(fd, SG_IO, p) < 0)
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{
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printf("ioctl error: errno=%d (%s)\n", errno, strerror(errno));
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}
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// Code returned here without any errors but cIOBuffer remains unchanged.
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```
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Use for `scsi/sg.h` and `ioctl`.
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Cancled, way to complicated, the USB massstorage interface is an easier target.
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### Research: USB data transfer
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