AN2646 datasheet(33/43 Pages) STMICROELECTRONICS

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AN2646 - Application note

Smartcard interface library: description

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SC_ADPU.Body.Data[i++] = 0;

}

SC_ADPU.Body.LE = SC_Responce.SW2;

SC_Handler(&SCState, &SC_ADPU, &SC_Responce);

●

SCState: It stores the current smartcard state.

●

SC_Response->SW1 and SC_Response->SW2: they return the smartcard response

to the SC_GET_RESPONSE command.

●

SC_Response->Data: It returns the smartcard data response to the

SC_GET_RESPONSE command.

6.3.4

SC_READ_BINARY

SC_ADPU.Header.CLA = SC_CLA;

SC_ADPU.Header.INS = SC_READ_BINARY;

SC_ADPU.Header.P1 = OFFSET_MSB;

SC_ADPU.Header.P2 = OFFSET_LSB;

SC_ADPU.Body.LC = 0x00;

while(i < LCmax)

{

SC_ADPU.Body.Data[i++] = 0;

}

SC_ADPU.Body.LE = LENGTH;

SC_Handler(&SCState, &SC_ADPU, &SC_Responce);

●

SCState: It stores the current smartcard state.

●

OFFSET_MSB: Most significant byte of offset for reading data.

●

OFFSET_LSB: Least significant byte of offset for reading data.

●

LENGTH: It contains size (in byte) of the area to read (valid only for the elementary

file).

●

SC_Response->Data: It returns the smartcard data to read.

●

SC_Response->SW1 and SC_Response->SW2: they return the smartcard response

to the SC_READ_BINARY command.

6.3.5

SC_CREATE_FILE

SC_ADPU.Header.CLA = SC_CLA;

SC_ADPU.Header.INS = SC_CREATE_FILE;

SC_ADPU.Header.P1 = 0x00;

SC_ADPU.Header.P2 = 0x00;

SC_ADPU.Body.LC = 0x10;

for(i = 0; i < SC_ADPU.Body.LC; i++)

{

SC_ADPU.Body.Data[i] = FileParameters[i];

}

while(i < LCmax)

{

SC_ADPU.Body.Data[i++] = 0;

}

SC_ADPU.Body.LE = 0;

SC_Handler(&SCState, &SC_ADPU, &SC_Responce);

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