AS3955-ASWF-S2 datasheet(89/111 Pages) AMSCO

номер детали	AS3955-ASWF-S2

подробное описание детали	NFC Forum Compliant Dynamic Tag

PDF	111 Pages

Scroll/Zoom	100%

производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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89 / 111 page

ams Datasheet

Page 89

[v1-01] 2015-Apr-29

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AS3955 − Application Information

dllHeaderSize = 2;

txBuffer.data[1] = l4Config.cid;

}

else

{

if (l4Config.cid)

{

return ERR_NONE;

}

else

{

/* Reply without CID */

dllHeaderSize = 1;

}

pcb = rxBuffer.data[0];

err = handleL4Block(pcb);

return err;

}

s8 handleL4Block(u8 pcb)

{

s8 err = ERR_NONE;

/* Look at the different commands and decide on further action */

if (ISO14443_4_PCB_I == (pcb & ISO14443_4_PCB_I_MASK))

{

if ((pcb & 1) != isoDepCnt)

{

l4FwtStartUs = stopWatchMeasure();

l4FwtTemp = l4Config.fwt_us;

txBuffer.size = 0;

isoDepCnt = !isoDepCnt; /* 7.5.3.2 Rule D, standard has a "may" on check-ing

the current block number.... */

if (ISO14443_4_PCB_I_CHAINING & pcb)

{

/* I(1) received */

memcpy(chainInBuffer + chainInSize, rxBuffer.data + dllHeader-Size,

rxBuffer.size - dllHeaderSize);

chainInSize += (rxBuffer.size - dllHeaderSize);

txBuffer.data[0] = ISO14443_4_PCB_RACK | isoDepCnt | CURR_CID_BIT;

txBuffer.size = dllHeaderSize;

err = as3955TxNBytes(txBuffer.data, txBuffer.size, 0,

AS3955_TX_FLAG_NONE);

}

else

{

/* I(0) received */

txBuffer.data[0] = ISO14443_4_PCB_I | isoDepCnt | CURR_CID_BIT;

if (chainInSize > 0)

{

memcpy(chainInBuffer + chainInSize, rxBuffer.data +

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