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Renamed main folder to firmware

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Christina Quast
2015-04-07 18:24:06 +02:00
parent f5cd7efede
commit 5a67c0fef3
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firmware/simtrace/ccid.c Normal file
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/* ----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support
* ----------------------------------------------------------------------------
* Copyright (c) 2009, Atmel Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
*
* Atmel's name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ----------------------------------------------------------------------------
*/
/*------------------------------------------------------------------------------
* Headers
*------------------------------------------------------------------------------*/
#include "board.h"
#include <string.h>
/*------------------------------------------------------------------------------
* Internal definitions
*------------------------------------------------------------------------------*/
/** Maximum ucSize in bytes of the smartcard answer to a command.*/
#define MAX_ANSWER_SIZE 10
/** Maximum ATR ucSize in bytes.*/
#define MAX_ATR_SIZE 55
/*------------------------------------------------------------------------------
* Internal variables
*------------------------------------------------------------------------------*/
/** ISO7816 pins */
static const Pin pinsISO7816[] = {PINS_ISO7816};
/** Bus switch pins */
static const Pin pinsBus[] = {PINS_BUS_DEFAULT};
/* SIMcard power pin */
static const Pin pinsPower[] = {PWR_PINS};
/** ISO7816 RST pin */
static const Pin pinIso7816RstMC = PIN_ISO7816_RSTMC;
static uint8_t sim_inserted = 0;
/*------------------------------------------------------------------------------
* Optional smartcard detection
*------------------------------------------------------------------------------*/
#ifdef SMARTCARD_CONNECT_PIN
/** Smartcard detection pin.*/
static const Pin pinSmartCard = SMARTCARD_CONNECT_PIN;
/**
* PIO interrupt service routine. Checks if the smartcard has been connected
* or disconnected.
*/
static void ISR_PioSmartCard( const Pin *pPin )
{
/* FIXME: why is pinSmartCard.pio->PIO_ISR the wrong number?
printf("+++++ Trying to check for pending interrupts (PIO ISR: 0x%X)\n\r", pinSmartCard.pio->PIO_ISR);
printf("+++++ Mask: 0x%X\n\r", pinSmartCard.mask);
Output:
+++++ Trying to check for pending interrupts (PIO ISR: 0x400)) = 1<<10
+++++ Mask: 0x100 = 1<<8
*/
// PA10 is DTXD, which is the debug uart transmit pin
printf("Interrupt!!\n\r");
/* Check all pending interrupts */
// FIXME: this if condition is not always true...
// if ( (pinSmartCard.pio->PIO_ISR & pinSmartCard.mask) != 0 )
{
/* Check current level on pin */
if ( PIO_Get( &pinSmartCard ) == 0 )
{
sim_inserted = 1;
printf( "-I- Smartcard inserted\n\r" ) ;
CCID_Insertion();
}
else
{
sim_inserted = 0;
printf( "-I- Smartcard removed\n\r" ) ;
CCID_Removal();
}
}
}
/**
* Configures the smartcard detection pin to trigger an interrupt.
*/
static void ConfigureCardDetection( void )
{
printf("+++++ Configure PIOs\n\r");
PIO_Configure( &pinSmartCard, 1 ) ;
NVIC_EnableIRQ( PIOA_IRQn );
// FIXME: Do we need to set priority?: NVIC_SetPriority( PIOA_IRQn, 10);
PIO_ConfigureIt( &pinSmartCard, ISR_PioSmartCard ) ;
PIO_EnableIt( &pinSmartCard ) ;
}
#else
/**
* Dummy implementation.
*/
static void ConfigureCardDetection( void )
{
printf( "-I- Smartcard detection not supported.\n\r" ) ;
}
#endif
/*-----------------------------------------------------------------------------
* Initialization and run
*-----------------------------------------------------------------------------*/
static const CCIDDriverConfigurationDescriptors *configDescCCID;
extern CCIDDriverConfigurationDescriptors configurationDescriptorCCID;
void CCID_init( void )
{
uint8_t pAtr[MAX_ATR_SIZE];
uint8_t ucSize ;
configDescCCID = &configurationDescriptorCCID;
// FIXME: do we want to print ATR?
/* Initialize Atr buffer */
memset( pAtr, 0, sizeof( pAtr ) ) ;
/* Configure IT on Smart Card */
ConfigureCardDetection() ;
// Configure ISO7816 driver
PIO_Configure(pinsISO7816, PIO_LISTSIZE(pinsISO7816));
PIO_Configure(pinsBus, PIO_LISTSIZE(pinsBus));
PIO_Configure(pinsPower, PIO_LISTSIZE(pinsPower));
/* power up the card */
// PIO_Set(&pinsPower[0]);
ISO7816_Init( &pinIso7816RstMC ) ;
CCIDDriver_Initialize();
/* Read ATR */
ISO7816_warm_reset() ;
ISO7816_Datablock_ATR( pAtr, &ucSize ) ;
/* Decode ATR and print it */
ISO7816_Decode_ATR( pAtr ) ;
// FIXME. what if smcard is not inserted?
if(PIO_Get(&pinSmartCard) == 0) {
printf("SIM card inserted\n\r");
CCID_Insertion();
}
}
void CCID_run( void )
{
//if (USBD_Read(INT, pBuffer, dLength, fCallback, pArgument);
CCID_SmartCardRequest();
}