mirror of
https://github.com/Proxmark/proxmark3.git
synced 2024-11-11 18:17:46 +08:00
516 lines
13 KiB
C
516 lines
13 KiB
C
//-----------------------------------------------------------------------------
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// Jonathan Westhues, split Aug 14 2005
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// The common USB driver used for both the bootloader and the application.
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//-----------------------------------------------------------------------------
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#include "proxmark3.h"
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#define min(a, b) (((a) > (b)) ? (b) : (a))
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#define USB_REPORT_PACKET_SIZE 64
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typedef struct PACKED {
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uint8_t bmRequestType;
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uint8_t bRequest;
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uint16_t wValue;
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uint16_t wIndex;
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uint16_t wLength;
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} UsbSetupData;
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#define USB_REQUEST_GET_STATUS 0
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#define USB_REQUEST_CLEAR_FEATURE 1
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#define USB_REQUEST_SET_FEATURE 3
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#define USB_REQUEST_SET_ADDRESS 5
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#define USB_REQUEST_GET_DESCRIPTOR 6
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#define USB_REQUEST_SET_DESCRIPTOR 7
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#define USB_REQUEST_GET_CONFIGURATION 8
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#define USB_REQUEST_SET_CONFIGURATION 9
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#define USB_REQUEST_GET_INTERFACE 10
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#define USB_REQUEST_SET_INTERFACE 11
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#define USB_REQUEST_SYNC_FRAME 12
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#define USB_DESCRIPTOR_TYPE_DEVICE 1
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#define USB_DESCRIPTOR_TYPE_CONFIGURATION 2
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#define USB_DESCRIPTOR_TYPE_STRING 3
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#define USB_DESCRIPTOR_TYPE_INTERFACE 4
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#define USB_DESCRIPTOR_TYPE_ENDPOINT 5
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#define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 6
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#define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONF 7
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#define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 8
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#define USB_DESCRIPTOR_TYPE_HID 0x21
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#define USB_DESCRIPTOR_TYPE_HID_REPORT 0x22
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#define USB_DEVICE_CLASS_HID 0x03
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static const uint8_t HidReportDescriptor[] = {
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0x06,0xA0,0xFF, // Usage Page (vendor defined) FFA0
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0x09,0x01, // Usage (vendor defined)
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0xA1,0x01, // Collection (Application)
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0x09,0x02, // Usage (vendor defined)
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0xA1,0x00, // Collection (Physical)
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0x06,0xA1,0xFF, // Usage Page (vendor defined)
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//The,input report
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0x09,0x03, // usage - vendor defined
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0x09,0x04, // usage - vendor defined
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0x15,0x80, // Logical Minimum (-128)
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0x25,0x7F, // Logical Maximum (127)
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0x35,0x00, // Physical Minimum (0)
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0x45,0xFF, // Physical Maximum (255)
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0x75,0x08, // Report Size (8) (bits)
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0x95,0x40, // Report Count (64) (fields)
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0x81,0x02, // Input (Data,Variable,Absolute)
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//The,output report
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0x09,0x05, // usage - vendor defined
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0x09,0x06, // usage - vendor defined
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0x15,0x80, // Logical Minimum (-128)
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0x25,0x7F, // Logical Maximum (127)
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0x35,0x00, // Physical Minimum (0)
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0x45,0xFF, // Physical Maximum (255)
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0x75,0x08, // Report Size (8) (bits)
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0x95,0x40, // Report Count (64) (fields)
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0x91,0x02, // Output (Data,Variable,Absolute)
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0xC0, // End Collection
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0xC0, // End Collection
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};
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static const uint8_t DeviceDescriptor[] = {
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0x12, // Descriptor length (18 bytes)
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0x01, // Descriptor type (Device)
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0x10,0x01, // Complies with USB Spec. Release (0110h = release 1.10)
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0x00, // Class code (0)
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0x00, // Subclass code (0)
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0x00, // Protocol (No specific protocol)
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0x08, // Maximum packet size for Endpoint 0 (8 bytes)
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0xc4,0x9a, // Vendor ID (random numbers)
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0x8f,0x4b, // Product ID (random numbers)
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0x01,0x00, // Device release number (0001)
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0x01, // Manufacturer string descriptor index
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0x02, // Product string descriptor index
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0x03, // Serial Number string descriptor index
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0x01, // Number of possible configurations (1)
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};
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static const uint8_t ConfigurationDescriptor[] = {
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0x09, // Descriptor length (9 bytes)
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0x02, // Descriptor type (Configuration)
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0x29,0x00, // Total data length (41 bytes)
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0x01, // Interface supported (1)
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0x01, // Configuration value (1)
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0x00, // Index of string descriptor (None)
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0x80, // Configuration (Bus powered)
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250, // Maximum power consumption (500mA)
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//interface
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0x09, // Descriptor length (9 bytes)
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0x04, // Descriptor type (Interface)
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0x00, // Number of interface (0)
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0x00, // Alternate setting (0)
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0x02, // Number of interface endpoint (2)
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0x03, // Class code (HID)
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0x00, // Subclass code ()
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0x00, // Protocol code ()
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0x00, // Index of string()
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// class
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0x09, // Descriptor length (9 bytes)
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0x21, // Descriptor type (HID)
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0x00,0x01, // HID class release number (1.00)
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0x00, // Localized country code (None)
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0x01, // # of HID class dscrptr to follow (1)
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0x22, // Report descriptor type (HID)
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// Total length of report descriptor
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sizeof(HidReportDescriptor),0x00,
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// endpoint 1
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0x07, // Descriptor length (7 bytes)
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0x05, // Descriptor type (Endpoint)
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0x01, // Encoded address (Respond to OUT)
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0x03, // Endpoint attribute (Interrupt transfer)
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0x08,0x00, // Maximum packet size (8 bytes)
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0x01, // Polling interval (1 ms)
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// endpoint 2
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0x07, // Descriptor length (7 bytes)
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0x05, // Descriptor type (Endpoint)
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0x82, // Encoded address (Respond to IN)
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0x03, // Endpoint attribute (Interrupt transfer)
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0x08,0x00, // Maximum packet size (8 bytes)
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0x01, // Polling interval (1 ms)
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};
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static const uint8_t StringDescriptor0[] = {
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0x04, // Length
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0x03, // Type is string
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0x09, // English
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0x04, // US
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};
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static const uint8_t StringDescriptor1[] = {
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24, // Length
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0x03, // Type is string
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'J', 0x00,
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'.', 0x00,
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' ', 0x00,
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'W', 0x00,
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'e', 0x00,
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's', 0x00,
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't', 0x00,
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'h', 0x00,
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'u', 0x00,
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'e', 0x00,
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's', 0x00,
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};
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static const uint8_t StringDescriptor2[] = {
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54, // Length
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0x03, // Type is string
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'P', 0x00,
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'r', 0x00,
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'o', 0x00,
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'x', 0x00,
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'M', 0x00,
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'a', 0x00,
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'r', 0x00,
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'k', 0x00,
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'-', 0x00,
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'3', 0x00,
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' ', 0x00,
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'R', 0x00,
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'F', 0x00,
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'I', 0x00,
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'D', 0x00,
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' ', 0x00,
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'I', 0x00,
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'n', 0x00,
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's', 0x00,
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't', 0x00,
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'r', 0x00,
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'u', 0x00,
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'm', 0x00,
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'e', 0x00,
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'n', 0x00,
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't', 0x00,
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};
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// Serial Number
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// TODO: Pick yours! Don't forget to modify the length, if needed.
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static const uint8_t StringDescriptor3[] = {
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18, // Length
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0x03, // Type is string
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'C', 0x00,
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'h', 0x00,
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'a', 0x00,
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'n', 0x00,
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'g', 0x00,
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'e', 0x00,
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'M', 0x00,
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'e', 0x00,
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};
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static const uint8_t * const StringDescriptors[] = {
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StringDescriptor0,
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StringDescriptor1,
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StringDescriptor2,
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StringDescriptor3,
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};
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static uint8_t UsbBuffer[64];
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static int UsbSoFarCount;
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static uint8_t CurrentConfiguration;
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static void UsbSendEp0(const uint8_t *data, int len)
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{
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int thisTime, i;
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do {
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thisTime = min(len, 8);
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len -= thisTime;
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for(i = 0; i < thisTime; i++) {
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AT91C_BASE_UDP->UDP_FDR[0] = *data;
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data++;
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}
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if(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_TXCOMP) {
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AT91C_BASE_UDP->UDP_CSR[0] &= ~AT91C_UDP_TXCOMP;
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while(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_TXCOMP)
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;
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}
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AT91C_BASE_UDP->UDP_CSR[0] |= AT91C_UDP_TXPKTRDY;
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do {
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if(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_RX_DATA_BK0) {
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// This means that the host is trying to write to us, so
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// abandon our write to them.
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AT91C_BASE_UDP->UDP_CSR[0] &= ~AT91C_UDP_RX_DATA_BK0;
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return;
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}
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} while(!(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_TXCOMP));
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} while(len > 0);
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if(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_TXCOMP) {
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AT91C_BASE_UDP->UDP_CSR[0] &= ~AT91C_UDP_TXCOMP;
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while(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_TXCOMP)
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;
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}
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}
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static void UsbSendZeroLength(void)
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{
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AT91C_BASE_UDP->UDP_CSR[0] |= AT91C_UDP_TXPKTRDY;
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while(!(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_TXCOMP))
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;
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AT91C_BASE_UDP->UDP_CSR[0] &= ~AT91C_UDP_TXCOMP;
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while(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_TXCOMP)
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;
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}
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static void UsbSendStall(void)
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{
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AT91C_BASE_UDP->UDP_CSR[0] |= AT91C_UDP_FORCESTALL;
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while(!(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_STALLSENT))
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;
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AT91C_BASE_UDP->UDP_CSR[0] &= ~AT91C_UDP_STALLSENT;
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while(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_STALLSENT)
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;
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}
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static void HandleRxdSetupData(void)
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{
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int i;
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UsbSetupData usd;
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for(i = 0; i < sizeof(usd); i++) {
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((uint8_t *)&usd)[i] = AT91C_BASE_UDP->UDP_FDR[0];
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}
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if(usd.bmRequestType & 0x80) {
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AT91C_BASE_UDP->UDP_CSR[0] |= AT91C_UDP_DIR;
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while(!(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_DIR))
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;
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}
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AT91C_BASE_UDP->UDP_CSR[0] &= ~AT91C_UDP_RXSETUP;
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while(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_RXSETUP)
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;
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switch(usd.bRequest) {
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case USB_REQUEST_GET_DESCRIPTOR:
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if((usd.wValue >> 8) == USB_DESCRIPTOR_TYPE_DEVICE) {
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UsbSendEp0((uint8_t *)&DeviceDescriptor,
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min(sizeof(DeviceDescriptor), usd.wLength));
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} else if((usd.wValue >> 8) == USB_DESCRIPTOR_TYPE_CONFIGURATION) {
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UsbSendEp0((uint8_t *)&ConfigurationDescriptor,
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min(sizeof(ConfigurationDescriptor), usd.wLength));
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} else if((usd.wValue >> 8) == USB_DESCRIPTOR_TYPE_STRING) {
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const uint8_t *s = StringDescriptors[usd.wValue & 0xff];
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UsbSendEp0(s, min(s[0], usd.wLength));
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} else if((usd.wValue >> 8) == USB_DESCRIPTOR_TYPE_HID_REPORT) {
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UsbSendEp0((uint8_t *)&HidReportDescriptor,
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min(sizeof(HidReportDescriptor), usd.wLength));
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} else {
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*((uint32_t *)0x00200000) = usd.wValue;
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}
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break;
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case USB_REQUEST_SET_ADDRESS:
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UsbSendZeroLength();
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AT91C_BASE_UDP->UDP_FADDR = AT91C_UDP_FEN | usd.wValue ;
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if(usd.wValue != 0) {
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AT91C_BASE_UDP->UDP_GLBSTATE = AT91C_UDP_FADDEN;
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} else {
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AT91C_BASE_UDP->UDP_GLBSTATE = 0;
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}
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break;
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case USB_REQUEST_GET_CONFIGURATION:
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UsbSendEp0(&CurrentConfiguration, sizeof(CurrentConfiguration));
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break;
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case USB_REQUEST_GET_STATUS: {
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if(usd.bmRequestType & 0x80) {
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uint16_t w = 0;
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UsbSendEp0((uint8_t *)&w, sizeof(w));
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}
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break;
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}
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case USB_REQUEST_SET_CONFIGURATION:
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CurrentConfiguration = usd.wValue;
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if(CurrentConfiguration) {
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AT91C_BASE_UDP->UDP_GLBSTATE = AT91C_UDP_CONFG;
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AT91C_BASE_UDP->UDP_CSR[1] = AT91C_UDP_EPEDS |
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AT91C_UDP_EPTYPE_INT_OUT;
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AT91C_BASE_UDP->UDP_CSR[2] = AT91C_UDP_EPEDS |
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AT91C_UDP_EPTYPE_INT_IN;
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} else {
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AT91C_BASE_UDP->UDP_GLBSTATE = AT91C_UDP_FADDEN;
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AT91C_BASE_UDP->UDP_CSR[1] = 0;
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AT91C_BASE_UDP->UDP_CSR[2] = 0;
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}
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UsbSendZeroLength();
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break;
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case USB_REQUEST_GET_INTERFACE: {
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uint8_t b = 0;
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UsbSendEp0(&b, sizeof(b));
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break;
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}
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case USB_REQUEST_SET_INTERFACE:
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UsbSendZeroLength();
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break;
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case USB_REQUEST_CLEAR_FEATURE:
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case USB_REQUEST_SET_FEATURE:
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UsbSendStall();
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break;
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case USB_REQUEST_SET_DESCRIPTOR:
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case USB_REQUEST_SYNC_FRAME:
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default:
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break;
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}
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}
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void UsbSendPacket(uint8_t *packet, int len)
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{
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int i, thisTime;
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while(len > 0) {
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thisTime = min(len, 8);
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for(i = 0; i < thisTime; i++) {
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AT91C_BASE_UDP->UDP_FDR[2] = packet[i];
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}
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AT91C_BASE_UDP->UDP_CSR[2] |= AT91C_UDP_TXPKTRDY;
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while(!(AT91C_BASE_UDP->UDP_CSR[2] & AT91C_UDP_TXCOMP))
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;
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AT91C_BASE_UDP->UDP_CSR[2] &= ~AT91C_UDP_TXCOMP;
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while(AT91C_BASE_UDP->UDP_CSR[2] & AT91C_UDP_TXCOMP)
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;
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len -= thisTime;
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packet += thisTime;
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}
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}
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static void HandleRxdData(void)
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{
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int i, len;
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if(AT91C_BASE_UDP->UDP_CSR[1] & AT91C_UDP_RX_DATA_BK0) {
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len = UDP_CSR_BYTES_RECEIVED(AT91C_BASE_UDP->UDP_CSR[1]);
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for(i = 0; i < len; i++) {
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UsbBuffer[UsbSoFarCount] = AT91C_BASE_UDP->UDP_FDR[1];
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UsbSoFarCount++;
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}
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AT91C_BASE_UDP->UDP_CSR[1] &= ~AT91C_UDP_RX_DATA_BK0;
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while(AT91C_BASE_UDP->UDP_CSR[1] & AT91C_UDP_RX_DATA_BK0)
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;
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if(UsbSoFarCount >= 64) {
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UsbPacketReceived(UsbBuffer, UsbSoFarCount);
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UsbSoFarCount = 0;
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}
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}
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if(AT91C_BASE_UDP->UDP_CSR[1] & AT91C_UDP_RX_DATA_BK1) {
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len = UDP_CSR_BYTES_RECEIVED(AT91C_BASE_UDP->UDP_CSR[1]);
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for(i = 0; i < len; i++) {
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UsbBuffer[UsbSoFarCount] = AT91C_BASE_UDP->UDP_FDR[1];
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UsbSoFarCount++;
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}
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AT91C_BASE_UDP->UDP_CSR[1] &= ~AT91C_UDP_RX_DATA_BK1;
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while(AT91C_BASE_UDP->UDP_CSR[1] & AT91C_UDP_RX_DATA_BK1)
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;
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if(UsbSoFarCount >= 64) {
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UsbPacketReceived(UsbBuffer, UsbSoFarCount);
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UsbSoFarCount = 0;
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}
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}
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}
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void UsbStart(void)
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{
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volatile int i;
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UsbSoFarCount = 0;
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USB_D_PLUS_PULLUP_OFF();
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for(i = 0; i < 1000000; i++)
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;
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USB_D_PLUS_PULLUP_ON();
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if(AT91C_BASE_UDP->UDP_ISR & AT91C_UDP_ENDBUSRES) {
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AT91C_BASE_UDP->UDP_ICR = AT91C_UDP_ENDBUSRES;
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}
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}
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|
|
|
int UsbConnected()
|
|
{
|
|
if (AT91C_BASE_UDP->UDP_GLBSTATE & AT91C_UDP_CONFG)
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
int UsbPoll(int blinkLeds)
|
|
{
|
|
int ret = FALSE;
|
|
|
|
if(AT91C_BASE_UDP->UDP_ISR & AT91C_UDP_ENDBUSRES) {
|
|
AT91C_BASE_UDP->UDP_ICR = AT91C_UDP_ENDBUSRES;
|
|
|
|
// following a reset we should be ready to receive a setup packet
|
|
AT91C_BASE_UDP->UDP_RSTEP = 0xf;
|
|
AT91C_BASE_UDP->UDP_RSTEP = 0;
|
|
|
|
AT91C_BASE_UDP->UDP_FADDR = AT91C_UDP_FEN;
|
|
|
|
AT91C_BASE_UDP->UDP_CSR[0] = AT91C_UDP_EPTYPE_CTRL | AT91C_UDP_EPEDS;
|
|
|
|
CurrentConfiguration = 0;
|
|
|
|
ret = TRUE;
|
|
}
|
|
|
|
if(AT91C_BASE_UDP->UDP_ISR & UDP_INTERRUPT_ENDPOINT(0)) {
|
|
if(AT91C_BASE_UDP->UDP_CSR[0] & AT91C_UDP_RXSETUP) {
|
|
HandleRxdSetupData();
|
|
ret = TRUE;
|
|
}
|
|
}
|
|
|
|
if(AT91C_BASE_UDP->UDP_ISR & UDP_INTERRUPT_ENDPOINT(1)) {
|
|
HandleRxdData();
|
|
ret = TRUE;
|
|
}
|
|
|
|
return ret;
|
|
}
|