mirror of https://gerrit.osmocom.org/simtrace2
351 lines
12 KiB
C
351 lines
12 KiB
C
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2009, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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/**
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* \page usart_iso7816 USART ISO7816 Example
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*
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* \section Purpose
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* This example sends ISO 7816 commands to a smartcard connected to the
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* evaluation kits on sam3s.
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*
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* \section Requirements
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* This example can be used on sam3s evaluation kit. Please connect the
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* smartcard contacts with following pins which could be easily wired from
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* the board.
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* - <b>SAM3S-EK -- SMARTCARD</b>
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* - PA11 -- RST
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* - TXD1(PA22) -- I/O
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* - SCK1(PA23) -- CLK
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*
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* \section Description
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* The iso7816 software provide in this examples is use to transform APDU
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* commands to TPDU commands for the smart card.
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* The iso7816 provide here is for the protocol T=0 only.
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* The send and the receive of a character is made under polling.
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* In the file ISO7816_Init is defined all pins of the card. User must have to
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* change this pins according to his environment.
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* The driver is compliant with CASE 1, 2, 3 of the ISO7816-4 specification.
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*
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* \section Usage
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* -# Build the program and download it inside the evaluation board. Please
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* refer to the <a href="http://www.atmel.com/dyn/resources/prod_documents/doc6224.pdf">SAM-BA User Guide</a>,
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* the <a href="http://www.atmel.com/dyn/resources/prod_documents/doc6310.pdf">GNU-Based Software Development</a>
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* application note or to the <a href="ftp://ftp.iar.se/WWWfiles/arm/Guides/EWARM_UserGuide.ENU.pdf">IAR EWARM User Guide</a>,
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* depending on your chosen solution.
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* -# On the computer, open and configure a terminal application (e.g.
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* HyperTerminal on Microsoft Windows) with these settings:
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* - 115200 bauds
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* - 8 data bits
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* - No parity
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* - 1 stop bit
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* - No flow control
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* -# Connect the card reader to sam3s-ek board:
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* <table border="1" cellpadding="2" cellspacing="0">
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* <tr><td>C1: Vcc: 7816_3V5V </td><td> C5: Gnd</td> <td> C4: RFU</td></tr>
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* <tr><td> C2: Reset: 7816_RST</td> <td> C6: Vpp</td> <td> C8: RFU</td></tr>
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* <tr><td> C3: Clock: 7816_CLK</td> <td> C7: 7816_IO</td> </tr>
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* </table>
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* If necessary,another pin must be connected on the card reader for detecting the
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* insertion and removal: 7816_IRQ.
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* On Atmel boards, all this pins can be easily connecting with jumpers.
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* -# Start the application. The following traces shall appear on the terminal:
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* \code
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* -- USART ISO7816 Example xxx --
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* -- xxxxxx-xx
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* -- Compiled: xxx xx xxxx xx:xx:xx --
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* Display the ATR
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* \endcode
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*
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* \section References
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* - usart_iso7816/main.c
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* - iso7816_4.c
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* - pio.h
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* - usart.h
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*
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*/
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/** \file
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*
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* This file contains all the specific code for the usart_iso7816 example.
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*
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*/
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/*------------------------------------------------------------------------------
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* Headers
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*------------------------------------------------------------------------------*/
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#include "board.h"
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#include <string.h>
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/*------------------------------------------------------------------------------
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* Internal definitions
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*------------------------------------------------------------------------------*/
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/** Maximum ucSize in bytes of the smartcard answer to a command.*/
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#define MAX_ANSWER_SIZE 10
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/** Maximum ATR ucSize in bytes.*/
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#define MAX_ATR_SIZE 55
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/** USB states */
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/// Use for power management
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#define STATE_IDLE 0
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/// The USB device is in suspend state
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#define STATE_SUSPEND 4
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/// The USB device is in resume state
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#define STATE_RESUME 5
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/*------------------------------------------------------------------------------
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* Internal variables
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*------------------------------------------------------------------------------*/
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/** USB state: suspend, resume, idle */
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unsigned char USBState = STATE_IDLE;
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/** Test command #1.*/
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static const uint8_t testCommand1[] = {0x00, 0x10, 0x00, 0x00};
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/** Test command #2.*/
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static const uint8_t testCommand2[] = {0x00, 0x20, 0x00, 0x00, 0x02};
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/** Test command #3.*/
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static const uint8_t testCommand3[] = {0x00, 0x30, 0x00, 0x00, 0x02, 0x0A, 0x0B};
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/* Select MF */
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static const uint8_t testCommand4[] = {0x00, 0xa4, 0x00, 0x00, 0x02, 0x3f, 0x00};
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/** ISO7816 pins */
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static const Pin pinsISO7816[] = {PINS_ISO7816};
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/** ISO7816 RST pin */
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static const Pin pinIso7816RstMC = PIN_ISO7816_RSTMC;
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static uint8_t sim_inserted = 0;
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static const Pin pPwr[] = {
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/* Enable power converter 4.5-6V to 3.3V; low: off */
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{SIM_PWEN, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT},
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/* Enable second power converter: VCC_PHONE to VCC_SIM; high: off */
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{VCC_FWD, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT}
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};
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/*------------------------------------------------------------------------------
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* Optional smartcard detection
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*------------------------------------------------------------------------------*/
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#ifdef SMARTCARD_CONNECT_PIN
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/** Smartcard detection pin.*/
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static const Pin pinSmartCard = SMARTCARD_CONNECT_PIN;
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/**
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* PIO interrupt service routine. Checks if the smartcard has been connected
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* or disconnected.
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*/
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static void ISR_PioSmartCard( const Pin *pPin )
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{
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/* FIXME: why is pinSmartCard.pio->PIO_ISR the wrong number?
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printf("+++++ Trying to check for pending interrupts (PIO ISR: 0x%X)\n\r", pinSmartCard.pio->PIO_ISR);
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printf("+++++ Mask: 0x%X\n\r", pinSmartCard.mask);
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Output:
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+++++ Trying to check for pending interrupts (PIO ISR: 0x400)) = 1<<10
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+++++ Mask: 0x100 = 1<<8
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*/
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// PA10 is DTXD, which is the debug uart transmit pin
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printf("Interrupt!!\n\r");
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/* Check all pending interrupts */
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// FIXME: this if condition is not always true...
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if ( (pinSmartCard.pio->PIO_ISR & pinSmartCard.mask) != 0 )
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{
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/* Check current level on pin */
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if ( PIO_Get( &pinSmartCard ) == 0 )
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{
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sim_inserted = 1;
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printf( "-I- Smartcard inserted\n\r" ) ;
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CCID_Insertion();
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}
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else
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{
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sim_inserted = 0;
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printf( "-I- Smartcard removed\n\r" ) ;
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CCID_Removal();
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}
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}
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}
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/**
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* Configures the smartcard detection pin to trigger an interrupt.
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*/
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static void ConfigureCardDetection( void )
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{
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printf("+++++ Configure PIOs\n\r");
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PIO_Configure( &pinSmartCard, 1 ) ;
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NVIC_EnableIRQ( PIOA_IRQn );
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// FIXME: Do we need to set priority?: NVIC_SetPriority( PIOA_IRQn, 10);
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PIO_ConfigureIt( &pinSmartCard, ISR_PioSmartCard ) ;
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PIO_EnableIt( &pinSmartCard ) ;
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}
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#else
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/**
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* Dummy implementation.
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*/
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static void ConfigureCardDetection( void )
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{
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printf( "-I- Smartcard detection not supported.\n\r" ) ;
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}
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#endif
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/*------------------------------------------------------------------------------
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* USB
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*------------------------------------------------------------------------------*/
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// FIXME: Implement those two functions
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//------------------------------------------------------------------------------
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/// Put the CPU in 32kHz, disable PLL, main oscillator
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/// Put voltage regulator in standby mode
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//------------------------------------------------------------------------------
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void LowPowerMode(void)
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{
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// FIXME: Implement low power consumption mode?
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// PMC_CPUInIdleMode();
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}
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//------------------------------------------------------------------------------
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/// Put voltage regulator in normal mode
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/// Return the CPU to normal speed 48MHz, enable PLL, main oscillator
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//------------------------------------------------------------------------------
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void NormalPowerMode(void)
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{
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}
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/*------------------------------------------------------------------------------
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* Main
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*------------------------------------------------------------------------------*/
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/**
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* Initializes the DBGU and ISO7816 driver, and starts some tests.
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* \return Unused (ANSI-C compatibility)
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*/
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extern int main( void )
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{
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uint8_t pAtr[MAX_ATR_SIZE] ;
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uint8_t ucSize ;
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LED_Configure(LED_NUM_GREEN);
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LED_Set(LED_NUM_GREEN);
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/* Disable watchdog*/
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WDT_Disable( WDT ) ;
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/* Initialize Atr buffer */
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memset( pAtr, 0, sizeof( pAtr ) ) ;
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printf("%s", "=====================================================\n\r");
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printf( "-- USART ISO7816 Example %s --\n\r", SOFTPACK_VERSION ) ;
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printf( "-- %s\n\r", BOARD_NAME ) ;
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printf( "-- Compiled: %s %s --\n\r", __DATE__, __TIME__ ) ;
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printf("%s", "=====================================================\n\r");
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PIO_InitializeInterrupts(0);
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/* Configure IT on Smart Card */
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ConfigureCardDetection() ;
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/* Configure ISO7816 driver */
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PIO_Configure( pinsISO7816, PIO_LISTSIZE( pinsISO7816 ) ) ;
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PIO_Configure(pPwr, PIO_LISTSIZE(pPwr));
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// Card has no power until now
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PIO_Set(&pPwr[0]);
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// FIXME: RST seems to be allways low here
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TRACE_DEBUG("******* Reset State1 (1 if the Pin RstMC is high): 0x%X", ISO7816_StatusReset());
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ISO7816_Init( pinIso7816RstMC ) ;
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TRACE_DEBUG("******* Reset State2 (1 if the Pin RstMC is high): 0x%X", ISO7816_StatusReset());
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/* Read ATR */
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ISO7816_warm_reset() ;
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ISO7816_Datablock_ATR( pAtr, &ucSize ) ;
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TRACE_DEBUG("******* Reset State3 (1 if the Pin RstMC is high): 0x%X", ISO7816_StatusReset());
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/* Decode ATR */
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ISO7816_Decode_ATR( pAtr ) ;
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// FIXME: RST seems to be allways high
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TRACE_DEBUG("******* Reset State4 (1 if the Pin RstMC is high): 0x%X", ISO7816_StatusReset());
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//SendReceiveCommands() ;
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CCIDDriver_Initialize();
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// FIXME: Or do I need to call VBUS_CONFIGURE() here instead, which will call USBD_Connect() later?
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USBD_Connect();
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// FIXME: USB clock? USB PMC?
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NVIC_EnableIRQ( UDP_IRQn );
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// FIXME: At some point USBD_IrqHandler() should get called and set USBD_STATE_CONFIGURED
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while (USBD_GetState() < USBD_STATE_CONFIGURED) {
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int i = 1;
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if ((i%10000) == 0) {
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TRACE_DEBUG("%d: USB State: %x\n\r", i, USBD_GetState());
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}
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i++;
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}
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// FIXME. what if smcard is not inserted?
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if(PIO_Get(&pinSmartCard) == 0) {
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printf("SIM card inserted\n\r");
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CCID_Insertion();
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}
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// Infinite loop
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while (1) {
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if( USBState == STATE_SUSPEND ) {
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TRACE_DEBUG("suspend !\n\r");
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LowPowerMode();
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USBState = STATE_IDLE;
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}
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if( USBState == STATE_RESUME ) {
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// Return in normal MODE
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TRACE_DEBUG("resume !\n\r");
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NormalPowerMode();
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USBState = STATE_IDLE;
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}
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CCID_SmartCardRequest();
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}
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return 0 ;
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}
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