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major USB update

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This commit is contained in:
roel@libnfc.org 2012-12-04 23:39:18 +00:00
commit 902cb3c00b
44 changed files with 649 additions and 513 deletions
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44
armsrc/epa.c
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@ -12,8 +12,8 @@
//-----------------------------------------------------------------------------
#include "iso14443a.h"
#include "epa.h"
#include "cmd.h"
// Protocol and Parameter Selection Request
// use regular (1x) speed in both directions
@ -211,24 +211,25 @@ int EPA_Read_CardAccess(uint8_t *buffer, size_t max_length)
// Abort helper function for EPA_PACE_Collect_Nonce
// sets relevant data in ack, sends the response
//-----------------------------------------------------------------------------
static void EPA_PACE_Collect_Nonce_Abort(UsbCommand *ack, uint8_t step, int func_return)
static void EPA_PACE_Collect_Nonce_Abort(uint8_t step, int func_return)
{
// step in which the failure occured
ack->arg[0] = step;
// last return code
ack->arg[1] = func_return;
// // step in which the failure occured
// ack->arg[0] = step;
// // last return code
// ack->arg[1] = func_return;
// power down the field
EPA_Finish();
// send the USB packet
UsbSendPacket((void *)ack, sizeof(UsbCommand));
cmd_send(CMD_ACK,step,func_return,0,0,0);
//UsbSendPacket((void *)ack, sizeof(UsbCommand));
}
//-----------------------------------------------------------------------------
// Acquire one encrypted PACE nonce
//-----------------------------------------------------------------------------
void EPA_PACE_Collect_Nonce(UsbCommand *c, UsbCommand *ack)
void EPA_PACE_Collect_Nonce(UsbCommand *c)
{
/*
* ack layout:
@ -244,14 +245,14 @@ void EPA_PACE_Collect_Nonce(UsbCommand *c, UsbCommand *ack)
// return value of a function
int func_return;
// initialize ack with 0s
memset(ack->arg, 0, 12);
memset(ack->d.asBytes, 0, 48);
// // initialize ack with 0s
// memset(ack->arg, 0, 12);
// memset(ack->d.asBytes, 0, 48);
// set up communication
func_return = EPA_Setup();
if (func_return != 0) {
EPA_PACE_Collect_Nonce_Abort(ack, 1, func_return);
EPA_PACE_Collect_Nonce_Abort(1, func_return);
return;
}
@ -264,7 +265,7 @@ void EPA_PACE_Collect_Nonce(UsbCommand *c, UsbCommand *ack)
int card_access_length = EPA_Read_CardAccess(card_access, 256);
// the response has to be at least this big to hold the OID
if (card_access_length < 18) {
EPA_PACE_Collect_Nonce_Abort(ack, 2, card_access_length);
EPA_PACE_Collect_Nonce_Abort(2, card_access_length);
return;
}
@ -275,7 +276,7 @@ void EPA_PACE_Collect_Nonce(UsbCommand *c, UsbCommand *ack)
card_access_length,
&pace_version_info);
if (func_return != 0 || pace_version_info.version == 0) {
EPA_PACE_Collect_Nonce_Abort(ack, 3, func_return);
EPA_PACE_Collect_Nonce_Abort(3, func_return);
return;
}
@ -290,17 +291,18 @@ void EPA_PACE_Collect_Nonce(UsbCommand *c, UsbCommand *ack)
// check if the command succeeded
if (func_return < 0)
{
EPA_PACE_Collect_Nonce_Abort(ack, 4, func_return);
EPA_PACE_Collect_Nonce_Abort(4, func_return);
return;
}
// all done, return
EPA_Finish();
// save received information
ack->arg[1] = func_return;
memcpy(ack->d.asBytes, nonce, func_return);
// all done, return
EPA_Finish();
UsbSendPacket((void *)ack, sizeof(UsbCommand));
// ack->arg[1] = func_return;
// memcpy(ack->d.asBytes, nonce, func_return);
// UsbSendPacket((void *)ack, sizeof(UsbCommand));
cmd_send(CMD_ACK,0,func_return,0,nonce,func_return);
}
//-----------------------------------------------------------------------------