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