void CCID_DispatchMessage(void)
{
uint8_t ErrorCode;
if(gu8IsBulkOutReady)
{
switch(UsbMessageBuffer[OFFSET_BMESSAGETYPE])
{
case PC_TO_RDR_ICCPOWERON:
ErrorCode = PC_to_RDR_IccPowerOn();
RDR_to_PC_DataBlock(ErrorCode);
break;
case PC_TO_RDR_ICCPOWEROFF:
ErrorCode = PC_to_RDR_IccPowerOff();
RDR_to_PC_SlotStatus(ErrorCode);
break;
case PC_TO_RDR_GETSLOTSTATUS:
ErrorCode = PC_to_RDR_GetSlotStatus();
RDR_to_PC_SlotStatus(ErrorCode);
break;
case PC_TO_RDR_XFRBLOCK:
ErrorCode = PC_to_RDR_XfrBlock();
RDR_to_PC_DataBlock(ErrorCode);
break;
case PC_TO_RDR_GETPARAMETERS:
ErrorCode = PC_to_RDR_GetParameters();
RDR_to_PC_Parameters(ErrorCode);
break;
case PC_TO_RDR_RESETPARAMETERS:
ErrorCode = PC_to_RDR_ResetParameters();
RDR_to_PC_Parameters(ErrorCode);
break;
case PC_TO_RDR_SETPARAMETERS:
ErrorCode = PC_to_RDR_SetParameters();
RDR_to_PC_Parameters(ErrorCode);
break;
case PC_TO_RDR_ESCAPE:
ErrorCode = PC_to_RDR_Escape();
RDR_to_PC_Escape(ErrorCode);
break;
case PC_TO_RDR_ICCCLOCK:
ErrorCode = PC_to_RDR_IccClock();
RDR_to_PC_SlotStatus(ErrorCode);
break;
case PC_TO_RDR_ABORT:
ErrorCode = PC_to_RDR_Abort();
RDR_to_PC_SlotStatus(ErrorCode);
break;
case PC_TO_RDR_SETDATARATEANDCLOCKFREQUENCY:
case PC_TO_RDR_SECURE:
case PC_TO_RDR_T0APDU:
case PC_TO_RDR_MECHANICAL:
default:
CmdNotSupported();
break;
}
CCID_BulkInMessage();
gu8IsBulkOutReady = 0;
}
}
/**
* Process a APDU using the CCID APDU transfer mode
*
* @param ctx Reader context
* @param lc Length of command APDU
* @param cmd Command APDU
* @param lr Length of response APDU
* @param rsp Response APDU
* @return 0 on success, -1 on error
*/
static int ccidAPDUProcess (struct scr *ctx,
unsigned int lc,
unsigned char *cmd,
unsigned int *lr,
unsigned char *rsp)
{
int rc,r,maxlr;
unsigned int len;
unsigned char buf[BUFFMAX],*po,status,error,chain;
unsigned short level = 0;
maxlr = *lr;
*lr = 0;
po = cmd;
while (lc > 0) {
len = lc;
if (lc > BUFFMAX) {
if (level)
level = 3; // Intermediate extended command
else
level = 1; // First extended command
len = BUFFMAX;
} else {
if (level)
level = 2; // Final extended command
}
rc = PC_to_RDR_XfrBlock(ctx, len, po, (unsigned char)level);
if (rc < 0)
return -1;
lc -= len;
po += len;
len = BUFFMAX;
rc = RDR_to_PC_DataBlock(ctx, &len, buf, &status, &error, &chain);
if (rc < 0)
return -1;
}
r = 0;
while (1) {
if (len > maxlr) {
len = maxlr;
r = ERR_MEMORY;
}
memcpy(rsp, buf, len);
rsp += len;
maxlr -= len;
*lr += len;
if ((chain == 1) || (chain == 3)) {
rc = PC_to_RDR_XfrBlock(ctx, 0, NULL, 0x10);
if (rc < 0)
return -1;
len = BUFFMAX;
rc = RDR_to_PC_DataBlock(ctx, &len, buf, &status, &error, &chain);
if (rc < 0)
return -1;
continue;
}
break;
}
return r;
}
/**
* @brief CCID_CmdDecode
* Parse the commands and Proccess command
* @param pdev: device instance
* @retval None
*/
void CCID_CmdDecode(USB_CORE_HANDLE *pdev)
{
uint8_t errorCode;
switch (Ccid_bulkout_data.bMessageType)
{
case PC_TO_RDR_ICCPOWERON:
errorCode = PC_to_RDR_IccPowerOn();
RDR_to_PC_DataBlock(errorCode);
break;
case PC_TO_RDR_ICCPOWEROFF:
errorCode = PC_to_RDR_IccPowerOff();
RDR_to_PC_SlotStatus(errorCode);
break;
case PC_TO_RDR_GETSLOTSTATUS:
errorCode = PC_to_RDR_GetSlotStatus();
RDR_to_PC_SlotStatus(errorCode);
break;
case PC_TO_RDR_XFRBLOCK:
errorCode = PC_to_RDR_XfrBlock();
RDR_to_PC_DataBlock(errorCode);
break;
case PC_TO_RDR_GETPARAMETERS:
errorCode = PC_to_RDR_GetParameters();
RDR_to_PC_Parameters(errorCode);
break;
case PC_TO_RDR_RESETPARAMETERS:
errorCode = PC_to_RDR_ResetParameters();
RDR_to_PC_Parameters(errorCode);
break;
case PC_TO_RDR_SETPARAMETERS:
errorCode = PC_to_RDR_SetParameters();
RDR_to_PC_Parameters(errorCode);
break;
case PC_TO_RDR_ESCAPE:
errorCode = PC_to_RDR_Escape();
RDR_to_PC_Escape(errorCode);
break;
case PC_TO_RDR_ICCCLOCK:
errorCode = PC_to_RDR_IccClock();
RDR_to_PC_SlotStatus(errorCode);
break;
case PC_TO_RDR_ABORT:
errorCode = PC_to_RDR_Abort();
RDR_to_PC_SlotStatus(errorCode);
break;
case PC_TO_RDR_T0APDU:
errorCode = PC_TO_RDR_T0Apdu();
RDR_to_PC_SlotStatus(errorCode);
break;
case PC_TO_RDR_MECHANICAL:
errorCode = PC_TO_RDR_Mechanical();
RDR_to_PC_SlotStatus(errorCode);
break;
case PC_TO_RDR_SETDATARATEANDCLOCKFREQUENCY:
errorCode = PC_TO_RDR_SetDataRateAndClockFrequency();
RDR_to_PC_DataRateAndClockFrequency(errorCode);
break;
case PC_TO_RDR_SECURE:
errorCode = PC_TO_RDR_Secure();
RDR_to_PC_DataBlock(errorCode);
break;
default:
RDR_to_PC_SlotStatus(SLOTERROR_CMD_NOT_SUPPORTED);
break;
}
/********** Decide for all commands ***************/
if (Ccid_BulkState == CCID_STATE_SEND_RESP)
{
CCID_Response_SendData(pdev, (uint8_t*)&Ccid_bulkin_data,
Ccid_bulkin_data.u16SizeToSend);
}
}
