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smart merge of r906 into trunk (Thanks to marko259 from libnfc forum).

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This commit is contained in:
Romuald Conty 2011-03-02 15:18:06 +00:00
parent 4b6ba0aa3c
commit 2608b3dc55
2 changed files with 22 additions and 7 deletions
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28
libnfc/chips/pn53x.c
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@ -62,6 +62,12 @@ pn53x_target_type_t pn53x_nm_to_ptt (const nfc_modulation_t nm);
bool
pn53x_init(nfc_device_t * pnd)
{
// GetFirmwareVersion command is used to set PN53x chips type (PN531, PN532 or PN533)
char abtFirmwareText[18];
if (!pn53x_get_firmware_version (pnd, abtFirmwareText)) {
return false;
}
// CRC handling is enabled by default
pnd->bCrc = true;
// Parity handling is enabled by default
@ -79,11 +85,6 @@ pn53x_init(nfc_device_t * pnd)
return false;
}
char abtFirmwareText[18];
if (!pn53x_get_firmware_version (pnd, abtFirmwareText)) {
return false;
}
// Add the firmware revision to the device name
char *pcName;
pcName = strdup (pnd->acName);
@ -762,7 +763,22 @@ pn53x_get_firmware_version (nfc_device_t * pnd, char abtFirmwareText[18])
if (!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), abtFw, &szFwLen, false)) {
// Failed to get firmware revision??, whatever...let's disconnect and clean up and return err
// FIXME: Wtf?
// pnd->pdc->disconnect (pnd);
return false;
}
// Determine which version of chip it is: PN531 will return only 2 bytes, while others return 4 bytes and have the first to tell the version IC
if (szFwLen == 2) {
((struct pn53x_data*)(pnd->chip_data))->type = PN531;
} else if (szFwLen == 4) {
if (abtFw[0] == 0x32) { // PN532 version IC
((struct pn53x_data*)(pnd->chip_data))->type = PN532;
} else if (abtFw[0] == 0x33) { // PN532 version IC
((struct pn53x_data*)(pnd->chip_data))->type = PN533;
} else {
// Unknown version IC
return false;
}
} else {
// Unknown chip
return false;
}
// Convert firmware info in text, PN531 gives 2 bytes info, but PN532 and PN533 gives 4