/* ---------------------------------------------------------------------------- * 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 /*------------------------------------------------------------------------------ * 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 /*------------------------------------------------------------------------------ * Internal variables *------------------------------------------------------------------------------*/ /** USB state: suspend, resume, idle */ unsigned char USBState = STATE_IDLE; /** ISO7816 pins */ static const Pin pinsISO7816_PHONE[] = {PINS_ISO7816_PHONE}; /** ISO7816 RST pin */ static const Pin pinIso7816RstMC = PIN_ISO7816_RST_PHONE; 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} }; #ifdef BOARD_ISO7816_BASE_USART #undef BOARD_ISO7816_BASE_USART #define BOARD_ISO7816_BASE_USART USART1 #endif #ifdef BOARD_ISO7816_ID_USART #undef BOARD_ISO7816_ID_USART #define BOARD_ISO7816_ID_USART ID_USART1 #endif #define ISO7816_PHONE_RST {PIO_PA24, PIOA, ID_PIOA, PIO_INPUT, PIO_PULLUP | PIO_DEBOUNCE | PIO_DEGLITCH | PIO_IT_EDGE } static const Pin pinPhoneRST = ISO7816_PHONE_RST; #define ISO7816_PHONE_CLK {PIO_PA23A_SCK1, PIOA, ID_PIOA, PIO_INPUT, PIO_PULLUP | PIO_DEBOUNCE | PIO_DEGLITCH | PIO_IT_EDGE } static const Pin pinPhoneClk = ISO7816_PHONE_CLK; /* ===================================================*/ /* Taken from iso7816_4.c */ /* ===================================================*/ /** Flip flop for send and receive char */ #define USART_SEND 0 #define USART_RCV 1 /*----------------------------------------------------------------------------- * Internal variables *-----------------------------------------------------------------------------*/ /** Variable for state of send and receive froom USART */ static uint8_t StateUsartGlobal = USART_RCV; /** Pin reset master card */ static Pin st_pinIso7816RstMC; static uint8_t char_avail = 0; /*----------------------------------------------------------------------------- * Interrupt routines *-----------------------------------------------------------------------------*/ void USART1_IrqHandler( void ) { uint32_t stat; stat = BOARD_USART_BASE->US_CSR; TRACE_DEBUG("stat: 0x%x, imask: 0x%x", stat, USART1->US_IMR); // Rcv buf full /* if((stat & US_CSR_RXBUFF) == US_CSR_RXBUFF) { TRACE_DEBUG("Rcv buf full"); USART_DisableIt(USART1, US_IDR_RXBUFF); } */ char_avail = 1; } static void ISR_PhoneRST( const Pin *pPin) { printf("+++++++++ Interrupt!! %x\n\r", pinPhoneRST.pio->PIO_ISR); } static void Config_PhoneRST_IrqHandler() { PIO_Configure( &pinPhoneRST, 1); // PIO_Configure( &pinPhoneClk, 1); NVIC_EnableIRQ( PIOA_IRQn ); PIO_ConfigureIt( &pinPhoneRST, ISR_PhoneRST ) ; // PIO_ConfigureIt( &pinPhoneClk, ISR_PhoneRST ) ; PIO_EnableIt( &pinPhoneRST ) ; // PIO_EnableIt( &pinPhoneClk ) ; } /** * Get a character from ISO7816 * \param pCharToReceive Pointer for store the received char * \return 0: if timeout else status of US_CSR */ static uint32_t ISO7816_GetChar( uint8_t *pCharToReceive ) { uint32_t status; uint32_t timeout=0; if( StateUsartGlobal == USART_SEND ) { while((BOARD_ISO7816_BASE_USART->US_CSR & US_CSR_TXEMPTY) == 0) {} BOARD_ISO7816_BASE_USART->US_CR = US_CR_RSTSTA | US_CR_RSTIT | US_CR_RSTNACK; StateUsartGlobal = USART_RCV; } /* Wait USART ready for reception */ while( ((BOARD_ISO7816_BASE_USART->US_CSR & US_CSR_RXRDY) == 0) ) { if(timeout++ > 12000 * (BOARD_MCK/1000000)) { TRACE_DEBUG("TimeOut\n\r"); return( 0 ); } } /* At least one complete character has been received and US_RHR has not yet been read. */ /* Get a char */ *pCharToReceive = ((BOARD_ISO7816_BASE_USART->US_RHR) & 0xFF); status = (BOARD_ISO7816_BASE_USART->US_CSR&(US_CSR_OVRE|US_CSR_FRAME| US_CSR_PARE|US_CSR_TIMEOUT|US_CSR_NACK| (1<<10))); if (status != 0 ) { TRACE_DEBUG("R:0x%X\n\r", status); TRACE_DEBUG("R:0x%X\n\r", BOARD_ISO7816_BASE_USART->US_CSR); TRACE_DEBUG("Nb:0x%X\n\r", BOARD_ISO7816_BASE_USART->US_NER ); BOARD_ISO7816_BASE_USART->US_CR = US_CR_RSTSTA; } /* Return status */ return( status ); } /** Initializes a ISO driver * \param pPinIso7816RstMC Pin ISO 7816 Rst MC */ void _ISO7816_Init( const Pin pPinIso7816RstMC ) { TRACE_DEBUG("ISO_Init\n\r"); /* Pin ISO7816 initialize */ st_pinIso7816RstMC = pPinIso7816RstMC; USART_Configure( BOARD_ISO7816_BASE_USART, US_MR_USART_MODE_IS07816_T_0 // Nope, we aren't master: | US_MR_USCLKS_MCK | US_MR_USCLKS_SCK | US_MR_NBSTOP_1_BIT // | US_MR_PAR_EVEN | US_MR_CHRL_8_BIT | US_MR_CLKO, /** TODO: This field was set in the original simtrace firmware..why? */ // | (3<<24), /* MAX_ITERATION */ 1, 0); /* SYNC = 0 (async mode) OVER = 0 (oversampling by 8?) FIDI = 372 (default val on startup before other value is negotiated) USCLKS = 3 (Select SCK as input clock) --> US_MR_USCLKS_SCK CD = 1 ? --> US_BRGR_CD(1) */ BOARD_ISO7816_BASE_USART->US_FIDI = 372; BOARD_ISO7816_BASE_USART->US_BRGR = US_BRGR_CD(1); /* Configure USART */ PMC_EnablePeripheral(BOARD_ISO7816_ID_USART); /* enable USART1 interrupt */ NVIC_EnableIRQ( USART1_IRQn ) ; USART_SetTransmitterEnabled(BOARD_ISO7816_BASE_USART, 1); USART_SetReceiverEnabled(BOARD_ISO7816_BASE_USART, 1); } /*------------------------------------------------------------------------------ * USB *------------------------------------------------------------------------------*/ // FIXME: Implement those two functions //------------------------------------------------------------------------------ /// Put the CPU in 32kHz, disable PLL, main oscillator /// Put voltage regulator in standby mode //------------------------------------------------------------------------------ void LowPowerMode(void) { // FIXME: Implement low power consumption mode? // PMC_CPUInIdleMode(); } //------------------------------------------------------------------------------ /// Put voltage regulator in normal mode /// Return the CPU to normal speed 48MHz, enable PLL, main oscillator //------------------------------------------------------------------------------ void NormalPowerMode(void) { } /*------------------------------------------------------------------------------ * Main *------------------------------------------------------------------------------*/ /** * Initializes the DBGU and ISO7816 driver, and starts some tests. * \return Unused (ANSI-C compatibility) */ extern int main( void ) { uint8_t pAtr[MAX_ATR_SIZE] ; uint8_t ucSize ; static uint8_t buff[100]; LED_Configure(LED_NUM_GREEN); LED_Set(LED_NUM_GREEN); /* Disable watchdog*/ WDT_Disable( WDT ) ; PIO_InitializeInterrupts(0); /* Configure ISO7816 driver */ PIO_Configure( pinsISO7816_PHONE, PIO_LISTSIZE( &pinsISO7816_PHONE ) ) ; PIO_Configure(pPwr, PIO_LISTSIZE(pPwr)); // FIXME: RST seems to be allways high TRACE_DEBUG("******* Reset State4 (1 if the Pin RstMC is high): 0x%X", ISO7816_StatusReset()); //SendReceiveCommands() ; _ISO7816_Init(pinIso7816RstMC); // FIXME: Or do I need to call VBUS_CONFIGURE() here instead, which will call USBD_Connect() later? // USBD_Connect(); // FIXME: USB clock? USB PMC? NVIC_EnableIRQ( UDP_IRQn ); Config_PhoneRST_IrqHandler(); // USART_EnableIt( USART1, US_IER_RXRDY) ; //USART_EnableIt( USART1, 0xffff) ; // FIXME: At some point USBD_IrqHandler() should get called and set USBD_STATE_CONFIGURED /* while (USBD_GetState() < USBD_STATE_CONFIGURED) { int i = 1; if ((i%10000) == 0) { TRACE_DEBUG("%d: USB State: %x\n\r", i, USBD_GetState()); } i++; } */ // Infinite loop while (1) { /* if( USBState == STATE_SUSPEND ) { TRACE_DEBUG("suspend !\n\r"); LowPowerMode(); USBState = STATE_IDLE; } if( USBState == STATE_RESUME ) { // Return in normal MODE TRACE_DEBUG("resume !\n\r"); NormalPowerMode(); USBState = STATE_IDLE; } CCID_SmartCardRequest(); */ int j; for( j=0; j < 100; j++ ) { // ISO7816_GetChar(&buff[j++]); } // printf("1 "); for( j=0; j < 100; j++ ) { /* printf("0x%x ", buff[j++]); if ((j % 40)==0) { printf("\n\r"); } */ } // printf("2\n\r"); //ISO7816_GetChar(&buff[0]); //printf("buf: 0x%x\n\r", buff[0]); /*if (char_avail == 1) { ISO7816_GetChar(&buff[0]); char_avail = 0; }*/ } return 0 ; }