Hello
With our application you can read memory.
Feature used is : when tag has been tapped, you use Memory content feature/menu to R/W/Dump memory
Source code is available here: https://www.st.com/en/embedded-software/stsw-st25001.html
Here an extract from the source code as example using our SDK and for different Tag type
Assuming : NFCTag mTag;
if (UIHelper.isAType4Tag(mTag)) {
// Tag type 4
int size = getMemoryAreaSizeInBytes(((Type4Tag) mTag), mArea);
mNumberOfBytes = size;
mStartAddress = 0;
int fileId = UIHelper.getType4FileIdFromArea(mArea);
// inform user that a read will be performed
snackBarUiThread();
if (mReadPassword != null && mTag instanceof STType4Tag) {
mBuffer = ((STType4Tag) mTag).readBytes(fileId, 0, size, mReadPassword);
} else {
mBuffer = ((Type4Tag) mTag).readBytes(fileId, 0, size);
}
mReadPassword = null;
int nbrOfBytesRead = 0;
if (mBuffer != null) {
nbrOfBytesRead = mBuffer.length;
}
if (nbrOfBytesRead != mNumberOfBytes) {
showToast(R.string.error_during_read_operation, nbrOfBytesRead);
}
} else if (UIHelper.isAType5Tag(mTag)){
if (mArea == -1) {
mAreaId = getAreaIdFromAddressInBytesForType5Tag(mStartAddress);
}
if (mAreaId == -1) {
// An issue occured retrieving AreaId from Address
// Address is probably invalid
showToast(R.string.invalid_value);
return false;
} else {
// Type 5
mBuffer = getTag().readBytes(mStartAddress, mNumberOfBytes);
// Warning: readBytes() may return less bytes than requested
int nbrOfBytesRead = 0;
if (mBuffer != null) {
nbrOfBytesRead = mBuffer.length;
}
if (nbrOfBytesRead != mNumberOfBytes) {
showToast(R.string.error_during_read_operation, nbrOfBytesRead);
}
}
} else if (UIHelper.isAType2Tag(mTag)){
if (mArea == -1) {
mAreaId = getAreaIdFromAddressInBytesForType2Tag(mStartAddress);
}
if (mAreaId == -1) {
// An issue occured retrieving AreaId from Address
// Address is probably invalid
showToast(R.string.invalid_value);
return false;
} else {
mBuffer = getTag().readBytes(mStartAddress, mNumberOfBytes);
// Warning: readBytes() may return less bytes than requested
int nbrOfBytesRead = 0;
if (mBuffer != null) {
nbrOfBytesRead = mBuffer.length;
}
if (nbrOfBytesRead != mNumberOfBytes) {
showToast(R.string.error_during_read_operation, nbrOfBytesRead);
}
}
Search file : ReadFragmentActivity in source code, and you will found way of doing memory read.
For write refers to WriteFragmentActivity
Rgds,FB
