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ISO7816_Init with more parameters, slave/master clock

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This commit is contained in:
Christina Quast
2015-04-10 15:38:49 +02:00
parent 95d6616ba1
commit 3eab56e079
4 changed files with 22 additions and 17 deletions
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4
firmware/include_board/iso7816_4.h
View File

@@ -26,7 +26,7 @@
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ----------------------------------------------------------------------------
*/
#include <stdbool.h>
//------------------------------------------------------------------------------
/** \file
*
@@ -67,7 +67,7 @@
/*------------------------------------------------------------------------------
* Exported functions
*----------------------------------------------------------------------------*/
extern void ISO7816_Init( const Pin *pPinIso7816RstMC );
extern void ISO7816_Init( const Pin *pPinIso7816RstMC, Usart *base_usart, bool master_clock );
extern void ISO7816_IccPowerOff(void);
extern uint32_t ISO7816_XfrBlockTPDU_T0(const uint8_t *pAPDU,
uint8_t *pMessage,

30
firmware/src_board/iso7816_4.c
View File

@@ -57,11 +57,6 @@
#define USART_SEND 0
#define USART_RCV 1
#if !defined(BOARD_ISO7816_BASE_USART)
#define BOARD_ISO7816_BASE_USART USART1
#define BOARD_ISO7816_ID_USART ID_USART1
#endif
/*-----------------------------------------------------------------------------
* Internal variables
*-----------------------------------------------------------------------------*/
@@ -619,16 +614,23 @@ void ISO7816_Decode_ATR( uint8_t* pAtr )
/** Initializes a ISO driver
* \param pPinIso7816RstMC Pin ISO 7816 Rst MC
*/
void ISO7816_Init( const Pin *pPinIso7816RstMC )
void ISO7816_Init( const Pin *pPinIso7816RstMC, Usart *base_usart, bool master_clock )
{
uint32_t clk;
TRACE_DEBUG("ISO_Init\n\r");
/* Pin ISO7816 initialize */
st_pinIso7816RstMC = (Pin *)pPinIso7816RstMC;
USART_Configure( BOARD_ISO7816_BASE_USART,
if (master_clock == true) {
clk = US_MR_USCLKS_MCK;
} else {
clk = US_MR_USCLKS_SCK;
}
USART_Configure( base_usart,
US_MR_USART_MODE_IS07816_T_0
| US_MR_USCLKS_MCK
| clk
| US_MR_NBSTOP_1_BIT
| US_MR_PAR_EVEN
| US_MR_CHRL_8_BIT
@@ -640,21 +642,21 @@ void ISO7816_Init( const Pin *pPinIso7816RstMC )
/* Configure USART */
PMC_EnablePeripheral(BOARD_ISO7816_ID_USART);
/* Disable interrupts */
BOARD_ISO7816_BASE_USART->US_IDR = (uint32_t) -1;
base_usart->US_IDR = (uint32_t) -1;
BOARD_ISO7816_BASE_USART->US_FIDI = 372; /* by default */
base_usart->US_FIDI = 372; /* by default */
/* Define the baud rate divisor register */
/* CD = MCK / SCK */
/* SCK = FIDI x BAUD = 372 x 9600 */
/* BOARD_MCK */
/* CD = MCK/(FIDI x BAUD) = 48000000 / (372x9600) = 13 */
BOARD_ISO7816_BASE_USART->US_BRGR = BOARD_MCK / (372*9600);
base_usart->US_BRGR = BOARD_MCK / (372*9600);
/* Write the Timeguard Register */
BOARD_ISO7816_BASE_USART->US_TTGR = 5;
base_usart->US_TTGR = 5;
USART_SetTransmitterEnabled(BOARD_ISO7816_BASE_USART, 1);
USART_SetReceiverEnabled(BOARD_ISO7816_BASE_USART, 1);
USART_SetTransmitterEnabled(base_usart, 1);
USART_SetReceiverEnabled(base_usart, 1);
}

2
firmware/src_simtrace/ccid.c
View File

@@ -162,7 +162,7 @@ void CCID_init( void )
/* power up the card */
// PIO_Set(&pinsPower[0]);
ISO7816_Init( &pinIso7816RstMC ) ;
ISO7816_Init( &pinIso7816RstMC, USART_SIM, CLK_MASTER ) ;
/* Read ATR */
ISO7816_warm_reset() ;

3
firmware/src_simtrace/simtrace.h
View File

@@ -12,6 +12,9 @@
#define PHONE_DATAIN 5
#define PHONE_INT 6
#define CLK_MASTER 1
#define CLK_SLAVE 0
typedef struct ring_buffer
{
uint8_t buf[BUFLEN*2]; // data buffer