mirror of
https://github.com/Proxmark/proxmark3.git
synced 2025-08-20 21:33:19 -07:00
Iceman
GitHub
commit
a8bd358225
1 changed files with 108 additions and 49 deletions
157
common/usb_cdc.c
157
common/usb_cdc.c
|
|
@ -33,34 +33,35 @@
|
|||
*/
|
||||
|
||||
#include "usb_cdc.h"
|
||||
#include "at91sam7s512.h"
|
||||
#include "config_gpio.h"
|
||||
|
||||
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
|
||||
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
|
||||
|
||||
#define AT91C_EP_CONTROL 0
|
||||
#define AT91C_EP_IN_SIZE 0x40
|
||||
#define AT91C_EP_OUT 1
|
||||
#define AT91C_EP_OUT_SIZE 0x40
|
||||
#define AT91C_EP_IN 2
|
||||
|
||||
const char devDescriptor[] = {
|
||||
static const char devDescriptor[] = {
|
||||
/* Device descriptor */
|
||||
0x12, // bLength
|
||||
0x01, // bDescriptorType
|
||||
0x10,0x01, // Complies with USB Spec. Release (0110h = release 1.10)
|
||||
0x00,0x02, // Complies with USB Spec. Release (0200h = release 2.0)
|
||||
0x02, // bDeviceClass: CDC class code
|
||||
0x00, // bDeviceSubclass: CDC class sub code
|
||||
0x00, // bDeviceProtocol: CDC Device protocol
|
||||
0x08, // bMaxPacketSize0
|
||||
0x2d,0x2d, // Vendor ID (--)
|
||||
0x4d,0x50, // Product ID (PM), transmitted in reverse
|
||||
0xc4,0x9a, // Vendor ID (0x9ac4 = J. Westhues)
|
||||
0x8f,0x4b, // Product ID (0x4b8f = Proxmark-3 RFID Instrument)
|
||||
0x01,0x00, // Device release number (0001)
|
||||
0x01, // iManufacturer // 0x01
|
||||
0x00, // iProduct
|
||||
0x00, // SerialNumber
|
||||
0x01, // iManufacturer
|
||||
0x02, // iProduct
|
||||
0x00, // iSerialNumber
|
||||
0x01 // bNumConfigs
|
||||
};
|
||||
|
||||
const char cfgDescriptor[] = {
|
||||
static const char cfgDescriptor[] = {
|
||||
/* ============== CONFIGURATION 1 =========== */
|
||||
/* Configuration 1 descriptor */
|
||||
0x09, // CbLength
|
||||
|
|
@ -71,7 +72,7 @@ const char cfgDescriptor[] = {
|
|||
0x01, // CbConfigurationValue
|
||||
0x00, // CiConfiguration
|
||||
0xC0, // CbmAttributes 0xA0
|
||||
0x00, // CMaxPower
|
||||
0xFA, // CMaxPower
|
||||
|
||||
/* Communication Class Interface Descriptor Requirement */
|
||||
0x09, // bLength
|
||||
|
|
@ -81,7 +82,7 @@ const char cfgDescriptor[] = {
|
|||
0x01, // bNumEndpoints
|
||||
0x02, // bInterfaceClass
|
||||
0x02, // bInterfaceSubclass
|
||||
0x00, // bInterfaceProtocol
|
||||
0x01, // bInterfaceProtocol
|
||||
0x00, // iInterface
|
||||
|
||||
/* Header Functional Descriptor */
|
||||
|
|
@ -95,7 +96,7 @@ const char cfgDescriptor[] = {
|
|||
0x04, // bFunctionLength
|
||||
0x24, // bDescriptor Type: CS_INTERFACE
|
||||
0x02, // bDescriptor Subtype: ACM Func Desc
|
||||
0x00, // bmCapabilities
|
||||
0x02, // bmCapabilities
|
||||
|
||||
/* Union Functional Descriptor */
|
||||
0x05, // bFunctionLength
|
||||
|
|
@ -151,8 +152,14 @@ const char cfgDescriptor[] = {
|
|||
0x00 // bInterval
|
||||
};
|
||||
|
||||
const char strDescriptor[] = {
|
||||
26, // Length
|
||||
static const char StrDescLanguageCodes[] = {
|
||||
4, // Length
|
||||
0x03, // Type is string
|
||||
0x09, 0x04 // supported language Code 0 = 0x0409 (English)
|
||||
};
|
||||
|
||||
static const char StrDescManufacturer[] = {
|
||||
26, // Length
|
||||
0x03, // Type is string
|
||||
'p', 0x00,
|
||||
'r', 0x00,
|
||||
|
|
@ -165,11 +172,57 @@ const char strDescriptor[] = {
|
|||
'.', 0x00,
|
||||
'o', 0x00,
|
||||
'r', 0x00,
|
||||
'g', 0x00,
|
||||
'g', 0x00
|
||||
};
|
||||
|
||||
static const char StrDescProduct[] = {
|
||||
8, // Length
|
||||
0x03, // Type is string
|
||||
'P', 0x00,
|
||||
'M', 0x00,
|
||||
'3', 0x00
|
||||
};
|
||||
|
||||
/* USB standard request code */
|
||||
static const char* const pStrings[] =
|
||||
{
|
||||
StrDescLanguageCodes,
|
||||
StrDescManufacturer,
|
||||
StrDescProduct
|
||||
};
|
||||
|
||||
const char* getStringDescriptor(uint8_t idx)
|
||||
{
|
||||
if(idx >= (sizeof(pStrings) / sizeof(pStrings[0]))) {
|
||||
return(NULL);
|
||||
} else {
|
||||
return(pStrings[idx]);
|
||||
}
|
||||
}
|
||||
|
||||
// Bitmap for all status bits in CSR which must be written as 1 to cause no effect
|
||||
#define REG_NO_EFFECT_1_ALL AT91C_UDP_RX_DATA_BK0 | AT91C_UDP_RX_DATA_BK1 \
|
||||
|AT91C_UDP_STALLSENT | AT91C_UDP_RXSETUP \
|
||||
|AT91C_UDP_TXCOMP
|
||||
|
||||
// Clear flags in the UDP_CSR register
|
||||
#define UDP_CLEAR_EP_FLAGS(endpoint, flags) { \
|
||||
volatile unsigned int reg; \
|
||||
reg = pUdp->UDP_CSR[(endpoint)]; \
|
||||
reg |= REG_NO_EFFECT_1_ALL; \
|
||||
reg &= ~(flags); \
|
||||
pUdp->UDP_CSR[(endpoint)] = reg; \
|
||||
}
|
||||
|
||||
// Set flags in the UDP_CSR register
|
||||
#define UDP_SET_EP_FLAGS(endpoint, flags) { \
|
||||
volatile unsigned int reg; \
|
||||
reg = pUdp->UDP_CSR[(endpoint)]; \
|
||||
reg |= REG_NO_EFFECT_1_ALL; \
|
||||
reg |= (flags); \
|
||||
pUdp->UDP_CSR[(endpoint)] = reg; \
|
||||
}
|
||||
|
||||
/* USB standard request codes */
|
||||
#define STD_GET_STATUS_ZERO 0x0080
|
||||
#define STD_GET_STATUS_INTERFACE 0x0081
|
||||
#define STD_GET_STATUS_ENDPOINT 0x0082
|
||||
|
|
@ -277,7 +330,7 @@ bool usb_check() {
|
|||
// Enable the function
|
||||
pUdp->UDP_FADDR = AT91C_UDP_FEN;
|
||||
// Configure endpoint 0
|
||||
pUdp->UDP_CSR[0] = (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_CTRL);
|
||||
pUdp->UDP_CSR[AT91C_EP_CONTROL] = (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_CTRL);
|
||||
}
|
||||
else if (isr & AT91C_UDP_EPINT0) {
|
||||
pUdp->UDP_ICR = AT91C_UDP_EPINT0;
|
||||
|
|
@ -326,7 +379,7 @@ uint32_t usb_read(byte_t* data, size_t len) {
|
|||
len -= packetSize;
|
||||
while(packetSize--)
|
||||
data[nbBytesRcv++] = pUdp->UDP_FDR[AT91C_EP_OUT];
|
||||
pUdp->UDP_CSR[AT91C_EP_OUT] &= ~(bank);
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_OUT, bank);
|
||||
if (bank == AT91C_UDP_RX_DATA_BK0) {
|
||||
bank = AT91C_UDP_RX_DATA_BK1;
|
||||
} else {
|
||||
|
|
@ -355,7 +408,7 @@ uint32_t usb_write(const byte_t* data, const size_t len) {
|
|||
cpt = MIN(length, AT91C_EP_IN_SIZE-1);
|
||||
length -= cpt;
|
||||
while (cpt--) pUdp->UDP_FDR[AT91C_EP_IN] = *data++;
|
||||
pUdp->UDP_CSR[AT91C_EP_IN] |= AT91C_UDP_TXPKTRDY;
|
||||
UDP_SET_EP_FLAGS(AT91C_EP_IN, AT91C_UDP_TXPKTRDY);
|
||||
|
||||
while (length) {
|
||||
// Fill the second bank
|
||||
|
|
@ -366,9 +419,9 @@ uint32_t usb_write(const byte_t* data, const size_t len) {
|
|||
while (!(pUdp->UDP_CSR[AT91C_EP_IN] & AT91C_UDP_TXCOMP)) {
|
||||
if (!usb_check()) return length;
|
||||
}
|
||||
pUdp->UDP_CSR[AT91C_EP_IN] &= ~(AT91C_UDP_TXCOMP);
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_IN, AT91C_UDP_TXCOMP);
|
||||
while (pUdp->UDP_CSR[AT91C_EP_IN] & AT91C_UDP_TXCOMP);
|
||||
pUdp->UDP_CSR[AT91C_EP_IN] |= AT91C_UDP_TXPKTRDY;
|
||||
UDP_SET_EP_FLAGS(AT91C_EP_IN, AT91C_UDP_TXPKTRDY);
|
||||
}
|
||||
|
||||
// Wait for the end of transfer
|
||||
|
|
@ -376,7 +429,7 @@ uint32_t usb_write(const byte_t* data, const size_t len) {
|
|||
if (!usb_check()) return length;
|
||||
}
|
||||
|
||||
pUdp->UDP_CSR[AT91C_EP_IN] &= ~(AT91C_UDP_TXCOMP);
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_IN, AT91C_UDP_TXCOMP);
|
||||
while (pUdp->UDP_CSR[AT91C_EP_IN] & AT91C_UDP_TXCOMP);
|
||||
|
||||
return length;
|
||||
|
|
@ -400,27 +453,27 @@ static void AT91F_USB_SendData(AT91PS_UDP pUdp, const char *pData, uint32_t leng
|
|||
while (cpt--)
|
||||
pUdp->UDP_FDR[0] = *pData++;
|
||||
|
||||
if (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) {
|
||||
pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP);
|
||||
while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP);
|
||||
if (pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_TXCOMP) {
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_TXCOMP);
|
||||
while (pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_TXCOMP);
|
||||
}
|
||||
|
||||
pUdp->UDP_CSR[0] |= AT91C_UDP_TXPKTRDY;
|
||||
UDP_SET_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_TXPKTRDY);
|
||||
do {
|
||||
csr = pUdp->UDP_CSR[0];
|
||||
csr = pUdp->UDP_CSR[AT91C_EP_CONTROL];
|
||||
|
||||
// Data IN stage has been stopped by a status OUT
|
||||
if (csr & AT91C_UDP_RX_DATA_BK0) {
|
||||
pUdp->UDP_CSR[0] &= ~(AT91C_UDP_RX_DATA_BK0);
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_RX_DATA_BK0);
|
||||
return;
|
||||
}
|
||||
} while ( !(csr & AT91C_UDP_TXCOMP) );
|
||||
|
||||
} while (length);
|
||||
|
||||
if (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) {
|
||||
pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP);
|
||||
while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP);
|
||||
if (pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_TXCOMP) {
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_TXCOMP);
|
||||
while (pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_TXCOMP);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -429,10 +482,10 @@ static void AT91F_USB_SendData(AT91PS_UDP pUdp, const char *pData, uint32_t leng
|
|||
//* \brief Send zero length packet through the control endpoint
|
||||
//*----------------------------------------------------------------------------
|
||||
void AT91F_USB_SendZlp(AT91PS_UDP pUdp) {
|
||||
pUdp->UDP_CSR[0] |= AT91C_UDP_TXPKTRDY;
|
||||
while ( !(pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) );
|
||||
pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP);
|
||||
while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP);
|
||||
UDP_SET_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_TXPKTRDY);
|
||||
while ( !(pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_TXCOMP) );
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_TXCOMP);
|
||||
while (pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_TXCOMP);
|
||||
}
|
||||
|
||||
//*----------------------------------------------------------------------------
|
||||
|
|
@ -440,10 +493,10 @@ void AT91F_USB_SendZlp(AT91PS_UDP pUdp) {
|
|||
//* \brief Stall the control endpoint
|
||||
//*----------------------------------------------------------------------------
|
||||
void AT91F_USB_SendStall(AT91PS_UDP pUdp) {
|
||||
pUdp->UDP_CSR[0] |= AT91C_UDP_FORCESTALL;
|
||||
while ( !(pUdp->UDP_CSR[0] & AT91C_UDP_ISOERROR) );
|
||||
pUdp->UDP_CSR[0] &= ~(AT91C_UDP_FORCESTALL | AT91C_UDP_ISOERROR);
|
||||
while (pUdp->UDP_CSR[0] & (AT91C_UDP_FORCESTALL | AT91C_UDP_ISOERROR));
|
||||
UDP_SET_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_FORCESTALL);
|
||||
while ( !(pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_ISOERROR) );
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_FORCESTALL | AT91C_UDP_ISOERROR);
|
||||
while (pUdp->UDP_CSR[AT91C_EP_CONTROL] & (AT91C_UDP_FORCESTALL | AT91C_UDP_ISOERROR));
|
||||
}
|
||||
|
||||
//*----------------------------------------------------------------------------
|
||||
|
|
@ -454,7 +507,7 @@ void AT91F_CDC_Enumerate() {
|
|||
byte_t bmRequestType, bRequest;
|
||||
uint16_t wValue, wIndex, wLength, wStatus;
|
||||
|
||||
if ( !(pUdp->UDP_CSR[0] & AT91C_UDP_RXSETUP) )
|
||||
if ( !(pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_RXSETUP) )
|
||||
return;
|
||||
|
||||
bmRequestType = pUdp->UDP_FDR[0];
|
||||
|
|
@ -467,11 +520,11 @@ void AT91F_CDC_Enumerate() {
|
|||
wLength |= (pUdp->UDP_FDR[0] << 8);
|
||||
|
||||
if (bmRequestType & 0x80) {
|
||||
pUdp->UDP_CSR[0] |= AT91C_UDP_DIR;
|
||||
while ( !(pUdp->UDP_CSR[0] & AT91C_UDP_DIR) );
|
||||
UDP_SET_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_DIR);
|
||||
while ( !(pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_DIR) );
|
||||
}
|
||||
pUdp->UDP_CSR[0] &= ~AT91C_UDP_RXSETUP;
|
||||
while ( (pUdp->UDP_CSR[0] & AT91C_UDP_RXSETUP) );
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_RXSETUP);
|
||||
while ( (pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_RXSETUP) );
|
||||
|
||||
// Handle supported standard device request Cf Table 9-3 in USB specification Rev 1.1
|
||||
switch ((bRequest << 8) | bmRequestType) {
|
||||
|
|
@ -480,8 +533,14 @@ void AT91F_CDC_Enumerate() {
|
|||
AT91F_USB_SendData(pUdp, devDescriptor, MIN(sizeof(devDescriptor), wLength));
|
||||
else if (wValue == 0x200) // Return Configuration Descriptor
|
||||
AT91F_USB_SendData(pUdp, cfgDescriptor, MIN(sizeof(cfgDescriptor), wLength));
|
||||
else if ((wValue & 0x300) == 0x300) // Return String Descriptor
|
||||
AT91F_USB_SendData(pUdp, strDescriptor, MIN(sizeof(strDescriptor), wLength));
|
||||
else if ((wValue & 0xF00) == 0x300) { // Return String Descriptor
|
||||
const char *strDescriptor = getStringDescriptor(wValue & 0xff);
|
||||
if (strDescriptor != NULL) {
|
||||
AT91F_USB_SendData(pUdp, strDescriptor, MIN(strDescriptor[0], wLength));
|
||||
} else {
|
||||
AT91F_USB_SendStall(pUdp);
|
||||
}
|
||||
}
|
||||
else
|
||||
AT91F_USB_SendStall(pUdp);
|
||||
break;
|
||||
|
|
@ -561,8 +620,8 @@ void AT91F_CDC_Enumerate() {
|
|||
|
||||
// handle CDC class requests
|
||||
case SET_LINE_CODING:
|
||||
while ( !(pUdp->UDP_CSR[0] & AT91C_UDP_RX_DATA_BK0) );
|
||||
pUdp->UDP_CSR[0] &= ~(AT91C_UDP_RX_DATA_BK0);
|
||||
while ( !(pUdp->UDP_CSR[AT91C_EP_CONTROL] & AT91C_UDP_RX_DATA_BK0) );
|
||||
UDP_CLEAR_EP_FLAGS(AT91C_EP_CONTROL, AT91C_UDP_RX_DATA_BK0);
|
||||
AT91F_USB_SendZlp(pUdp);
|
||||
break;
|
||||
case GET_LINE_CODING:
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue