Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 1 | /* ---------------------------------------------------------------------------- |
| 2 | * ATMEL Microcontroller Software Support |
| 3 | * ---------------------------------------------------------------------------- |
| 4 | * Copyright (c) 2009, Atmel Corporation |
| 5 | * |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions are met: |
| 10 | * |
| 11 | * - Redistributions of source code must retain the above copyright notice, |
| 12 | * this list of conditions and the disclaimer below. |
| 13 | * |
| 14 | * Atmel's name may not be used to endorse or promote products derived from |
| 15 | * this software without specific prior written permission. |
| 16 | * |
| 17 | * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| 20 | * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| 23 | * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 24 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 25 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| 26 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * ---------------------------------------------------------------------------- |
| 28 | */ |
| 29 | |
Harald Welte | 2fb5996 | 2016-02-28 12:34:26 +0100 | [diff] [blame] | 30 | #ifdef HAVE_SNIFFER |
| 31 | |
Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 32 | /*------------------------------------------------------------------------------ |
| 33 | * Headers |
| 34 | *------------------------------------------------------------------------------*/ |
| 35 | |
| 36 | #include "board.h" |
| 37 | |
| 38 | #include <string.h> |
| 39 | |
| 40 | /*------------------------------------------------------------------------------ |
| 41 | * Internal definitions |
| 42 | *------------------------------------------------------------------------------*/ |
| 43 | |
| 44 | /** Maximum ucSize in bytes of the smartcard answer to a command.*/ |
| 45 | #define MAX_ANSWER_SIZE 10 |
| 46 | |
| 47 | /** Maximum ATR ucSize in bytes.*/ |
| 48 | #define MAX_ATR_SIZE 55 |
Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 49 | /*------------------------------------------------------------------------------ |
| 50 | * Internal variables |
| 51 | *------------------------------------------------------------------------------*/ |
| 52 | /** ISO7816 pins */ |
Harald Welte | 7dd3dfd | 2016-03-03 12:32:04 +0100 | [diff] [blame] | 53 | static const Pin pinsISO7816_sniff[] = { PINS_SIM_SNIFF_SIM }; |
| 54 | static const Pin pins_bus[] = { PINS_BUS_SNIFF }; |
| 55 | |
Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 56 | static const Pin pPwr[] = { |
Harald Welte | 7dd3dfd | 2016-03-03 12:32:04 +0100 | [diff] [blame] | 57 | /* Enable power converter 4.5-6V to 3.3V; low: off */ |
| 58 | {SIM_PWEN, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT}, |
| 59 | |
| 60 | /* Enable second power converter: VCC_PHONE to VCC_SIM; high: on */ |
| 61 | {VCC_FWD, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT} |
Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 62 | }; |
| 63 | |
Harald Welte | 7dd3dfd | 2016-03-03 12:32:04 +0100 | [diff] [blame] | 64 | static struct Usart_info usart_info = { |
| 65 | .base = USART_PHONE, |
| 66 | .id = ID_USART_PHONE, |
| 67 | .state = USART_RCV, |
| 68 | }; |
Christina Quast | e24b9ac | 2015-04-10 17:44:49 +0200 | [diff] [blame] | 69 | |
Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 70 | /*----------------------------------------------------------------------------- |
Christina Quast | d2b05f0 | 2015-02-25 18:44:24 +0100 | [diff] [blame] | 71 | * Initialization routine |
Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 72 | *-----------------------------------------------------------------------------*/ |
Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 73 | |
Harald Welte | 7dd3dfd | 2016-03-03 12:32:04 +0100 | [diff] [blame] | 74 | void Sniffer_configure(void) |
Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 75 | { |
Harald Welte | 7dd3dfd | 2016-03-03 12:32:04 +0100 | [diff] [blame] | 76 | TRACE_INFO("Sniffer config\n"); |
Christina Quast | a90eefa | 2015-02-24 17:52:29 +0100 | [diff] [blame] | 77 | } |
Christina Quast | fb524b9 | 2015-02-27 13:39:45 +0100 | [diff] [blame] | 78 | |
Harald Welte | 7dd3dfd | 2016-03-03 12:32:04 +0100 | [diff] [blame] | 79 | void Sniffer_exit(void) |
Christina Quast | fb524b9 | 2015-02-27 13:39:45 +0100 | [diff] [blame] | 80 | { |
Harald Welte | 7dd3dfd | 2016-03-03 12:32:04 +0100 | [diff] [blame] | 81 | TRACE_INFO("Sniffer exit\n"); |
| 82 | USART_DisableIt(USART_PHONE, US_IER_RXRDY); |
| 83 | NVIC_DisableIRQ(USART1_IRQn); |
| 84 | USART_SetReceiverEnabled(USART_PHONE, 0); |
| 85 | } |
| 86 | |
| 87 | void Sniffer_init(void) |
| 88 | { |
| 89 | TRACE_INFO("Sniffer Init\n"); |
| 90 | /* Configure ISO7816 driver */ |
| 91 | PIO_Configure(pinsISO7816_sniff, PIO_LISTSIZE(pinsISO7816_sniff)); |
| 92 | PIO_Configure(pins_bus, PIO_LISTSIZE(pins_bus)); |
| 93 | |
| 94 | PIO_Configure(pPwr, PIO_LISTSIZE(pPwr)); |
| 95 | |
| 96 | ISO7816_Init(&usart_info, CLK_SLAVE); |
| 97 | |
| 98 | USART_SetReceiverEnabled(USART_PHONE, 1); |
| 99 | USART_EnableIt(USART_PHONE, US_IER_RXRDY); |
| 100 | NVIC_EnableIRQ(USART1_IRQn); |
| 101 | } |
| 102 | |
| 103 | void Sniffer_run(void) |
| 104 | { |
| 105 | check_data_from_phone(); |
Christina Quast | fb524b9 | 2015-02-27 13:39:45 +0100 | [diff] [blame] | 106 | } |
Harald Welte | 2fb5996 | 2016-02-28 12:34:26 +0100 | [diff] [blame] | 107 | #endif /* HAVE_SNIFFER */ |