| /* ---------------------------------------------------------------------------- |
| * 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 |
| |
| /** USB states */ |
| /// Use for power management |
| #define STATE_IDLE 0 |
| /// The USB device is in suspend state |
| #define STATE_SUSPEND 4 |
| /// The USB device is in resume state |
| #define STATE_RESUME 5 |
| |
| extern volatile uint8_t timeout_occured; |
| |
| /*------------------------------------------------------------------------------ |
| * Internal variables |
| *------------------------------------------------------------------------------*/ |
| /** USB state: suspend, resume, idle */ |
| unsigned char USBState = STATE_IDLE; |
| |
| /** ISO7816 pins */ |
| static const Pin pinsISO7816_PHONE[] = { PINS_ISO7816_PHONE }; |
| |
| /** Bus switch pins */ |
| |
| #if DEBUG_PHONE_SNIFF |
| #warning "Debug phone sniff via logic analyzer is enabled" |
| // Logic analyzer probes are easier to attach to the SIM card slot |
| static const Pin pins_bus[] = { PINS_BUS_SNIFF }; |
| #else |
| static const Pin pins_bus[] = { PINS_BUS_DEFAULT }; |
| #endif |
| |
| /** ISO7816 RST pin */ |
| static uint8_t sim_inserted = 0; |
| |
| static const Pin pPwr[] = { |
| /* Enable power converter 4.5-6V to 3.3V; low: off */ |
| {SIM_PWEN, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT}, |
| |
| /* Enable second power converter: VCC_PHONE to VCC_SIM; high: off */ |
| {VCC_FWD, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT} |
| }; |
| |
| const Pin pinPhoneRST = PIN_ISO7816_RST_PHONE; |
| |
| static struct Usart_info usart_info = { |
| .base = USART_PHONE, |
| .id = ID_USART_PHONE, |
| .state = USART_RCV, |
| }; |
| |
| /* ===================================================*/ |
| /* Taken from iso7816_4.c */ |
| /* ===================================================*/ |
| /** Flip flop for send and receive char */ |
| #define USART_SEND 0 |
| #define USART_RCV 1 |
| |
| /*----------------------------------------------------------------------------- |
| * Internal variables |
| *-----------------------------------------------------------------------------*/ |
| static uint8_t host_to_sim_buf[BUFLEN]; |
| static bool change_fidi = false; |
| |
| static void receive_from_host(void); |
| static void sendResponse_to_phone(uint8_t * pArg, uint8_t status, |
| uint32_t transferred, uint32_t remaining) |
| { |
| if (status != USBD_STATUS_SUCCESS) { |
| TRACE_ERROR("USB err status: %d (%s)\n", __FUNCTION__, status); |
| return; |
| } |
| TRACE_DEBUG("sendResp, stat: %X, trnsf: %x, rem: %x\n\r", status, |
| transferred, remaining); |
| TRACE_DEBUG("Resp: %x %x %x .. %x\n", host_to_sim_buf[0], |
| host_to_sim_buf[1], host_to_sim_buf[2], |
| host_to_sim_buf[transferred - 1]); |
| |
| USART_SetReceiverEnabled(USART_PHONE, 0); |
| USART_SetTransmitterEnabled(USART_PHONE, 1); |
| uint32_t i = 0; |
| if (host_to_sim_buf[0] == 0xff) { |
| printf("Change FIDI detected\n"); |
| // PTS command, change FIDI after command |
| i = 2; |
| change_fidi = true; |
| } |
| for (; i < transferred; i++) { |
| ISO7816_SendChar(host_to_sim_buf[i], &usart_info); |
| } |
| USART_SetTransmitterEnabled(USART_PHONE, 0); |
| USART_SetReceiverEnabled(USART_PHONE, 1); |
| |
| if (change_fidi == true) { |
| printf("Change FIDI: %x\n", host_to_sim_buf[2]); |
| update_fidi(host_to_sim_buf[2]); |
| change_fidi = false; |
| } |
| |
| receive_from_host(); |
| } |
| |
| static void receive_from_host() |
| { |
| int ret; |
| if ((ret = USBD_Read(PHONE_DATAOUT, &host_to_sim_buf, |
| sizeof(host_to_sim_buf), |
| (TransferCallback) &sendResponse_to_phone, |
| 0)) == USBD_STATUS_SUCCESS) { |
| } else { |
| TRACE_ERROR("USB Err: %X\n", ret); |
| } |
| } |
| |
| void Phone_configure(void) |
| { |
| PIO_ConfigureIt(&pinPhoneRST, ISR_PhoneRST); |
| NVIC_EnableIRQ(PIOA_IRQn); |
| } |
| |
| void Phone_exit(void) |
| { |
| PIO_DisableIt(&pinPhoneRST); |
| NVIC_DisableIRQ(USART1_IRQn); |
| USART_DisableIt(USART_PHONE, US_IER_RXRDY); |
| USART_SetTransmitterEnabled(USART_PHONE, 0); |
| USART_SetReceiverEnabled(USART_PHONE, 0); |
| } |
| |
| void Phone_init(void) |
| { |
| PIO_Configure(pinsISO7816_PHONE, PIO_LISTSIZE(pinsISO7816_PHONE)); |
| PIO_Configure(pins_bus, PIO_LISTSIZE(pins_bus)); |
| |
| PIO_Configure(&pinPhoneRST, 1); |
| |
| PIO_EnableIt(&pinPhoneRST); |
| ISO7816_Init(&usart_info, CLK_SLAVE); |
| |
| USART_SetTransmitterEnabled(USART_PHONE, 0); |
| USART_SetReceiverEnabled(USART_PHONE, 1); |
| |
| USART_EnableIt(USART_PHONE, US_IER_RXRDY); |
| NVIC_EnableIRQ(USART1_IRQn); |
| |
| receive_from_host(); |
| } |
| |
| void Phone_run(void) |
| { |
| check_data_from_phone(); |
| } |