| /* ---------------------------------------------------------------------------- |
| * 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. |
| * ---------------------------------------------------------------------------- |
| */ |
| |
| #ifdef HAVE_CCID |
| |
| /*------------------------------------------------------------------------------ |
| * 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; |
| |
| static struct Usart_info usart_info = { |
| .base = USART_SIM, |
| .id = ID_USART_SIM, |
| .state = USART_RCV |
| }; |
| |
| /*------------------------------------------------------------------------------ |
| * Optional smartcard detection |
| *------------------------------------------------------------------------------*/ |
| |
| /** 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); |
| PIO_EnableIt(&pinSmartCard); |
| } |
| |
| /*----------------------------------------------------------------------------- |
| * Initialization and run |
| *-----------------------------------------------------------------------------*/ |
| extern CCIDDriverConfigurationDescriptors configurationDescriptorCCID; |
| |
| void CCID_configure(void) |
| { |
| CCIDDriver_Initialize(); |
| // FIXME: Do we need to set priority?: NVIC_SetPriority( PIOA_IRQn, 10); |
| PIO_ConfigureIt(&pinSmartCard, ISR_PioSmartCard); |
| } |
| |
| void CCID_exit(void) |
| { |
| PIO_DisableIt(&pinSmartCard); |
| USART_SetTransmitterEnabled(usart_info.base, 0); |
| USART_SetReceiverEnabled(usart_info.base, 0); |
| } |
| |
| void CCID_init(void) |
| { |
| uint8_t pAtr[MAX_ATR_SIZE]; |
| uint8_t ucSize; |
| |
| // FIXME: do we want to print ATR? |
| /* Initialize Atr buffer */ |
| memset(pAtr, 0, sizeof(pAtr)); |
| |
| 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(&usart_info, CLK_MASTER); |
| USART_SetTransmitterEnabled(usart_info.base, 1); |
| USART_SetReceiverEnabled(usart_info.base, 1); |
| |
| ISO7816_Set_Reset_Pin(&pinIso7816RstMC); |
| /* 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(); |
| } |
| #endif |