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arygon: send ACK frame for ARYGON devices too.

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This commit is contained in:
Romuald Conty 2010-10-11 10:54:49 +00:00
parent 0bdef6cb2a
commit 6e932142f0
1 changed files with 20 additions and 13 deletions
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33
libnfc/drivers/arygon.c
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@ -69,6 +69,10 @@
#define SERIAL_DEFAULT_PORT_SPEED 9600
// TODO Move this one level up for libnfc-1.6
static const byte_t ack_frame[] = { 0x00, 0x00, 0xff, 0x00, 0xff, 0x00 };
void arygon_ack (const nfc_device_spec_t nds);
bool arygon_check_communication (const nfc_device_spec_t nds);
/**
@ -126,6 +130,10 @@ arygon_list_devices (nfc_device_desc_t pnddDevices[], size_t szDevices, size_t *
if ((sp != INVALID_SERIAL_PORT) && (sp != CLAIMED_SERIAL_PORT)) {
uart_set_speed (sp, SERIAL_DEFAULT_PORT_SPEED);
// Send ACK frame to cancel a previous command
arygon_ack ((nfc_device_spec_t) sp);
if (!arygon_check_communication ((nfc_device_spec_t) sp))
continue;
uart_close (sp);
@ -164,6 +172,9 @@ arygon_connect (const nfc_device_desc_t * pndd)
DBG ("Attempt to connect to: %s at %d bauds.", pndd->pcPort, pndd->uiSpeed);
sp = uart_open (pndd->pcPort);
// Send ACK frame to cancel a previous command
arygon_ack ((nfc_device_spec_t) sp);
if (sp == INVALID_SERIAL_PORT)
ERR ("Invalid serial port: %s", pndd->pcPort);
if (sp == CLAIMED_SERIAL_PORT)
@ -202,8 +213,6 @@ arygon_transceive (nfc_device_t * pnd, const byte_t * pbtTx, const size_t szTxLe
size_t szRxBufLen = BUFFER_LENGTH;
size_t szPos;
int res;
// TODO: Move this one level up for libnfc-1.6
uint8_t ack_frame[] = { 0x00, 0x00, 0xff, 0x00, 0xff, 0x00 };
// Packet length = data length (len) + checksum (1) + end of stream marker (1)
abtTxBuf[4] = szTxLen;
@ -261,17 +270,6 @@ arygon_transceive (nfc_device_t * pnd, const byte_t * pbtTx, const size_t szTxLe
#endif
}
/*
#ifdef DEBUG
PRINT_HEX("TX", ack_frame, sizeof(ack_frame));
#endif
res = uart_send((serial_port)pnd->nds, ack_frame, sizeof(ack_frame));
if (res != 0) {
ERR("%s", "Unable to transmit data. (TX)");
pnd->iLastError = res;
return false;
}
*/
if (!pn53x_transceive_check_error_frame_callback (pnd, abtRxBuf, szRxBufLen))
return false;
@ -290,6 +288,15 @@ arygon_transceive (nfc_device_t * pnd, const byte_t * pbtTx, const size_t szTxLe
return true;
}
void
arygon_ack (const nfc_device_spec_t nds)
{
#ifdef DEBUG
PRINT_HEX ("TX", ack_frame, sizeof (ack_frame));
#endif
uart_send ((serial_port) nds, ack_frame, sizeof (ack_frame));
}
bool
arygon_check_communication (const nfc_device_spec_t nds)
{