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=head1 NAME
TPMLIB_ChooseTPMVersion - Choose the version of the TPM
=head1 SYNOPSIS
B<#include <libtpms/tpm_types.h>>
B<#include <libtpms/tpm_library.h>>
B<TPM_RESULT TPMLIB_ChooseTPMVersion(TPMLIB_TPMVersion> I<ver>B<);>
typedef enum TPMLIB_TPMVersion {
TPMLIB_TPM_VERSION_1_2,
TPMLIB_TPM_VERSION_2,
} TPMLIB_TPMVersion;
=head1 DESCRIPTION
The B<TPMLIB_ChooseTPMVersion()> function is used to choose the version
of the TPM, either a TPM 1.2 or TPM 2.
This function must be called before B<TPMLIB_MainInit()> is called and
will otherwise return an error. This function may be called again once
B<TPMLIB_Terminate()> has been called.
If this function is not called, the last chosen TPM version will be
started with B<TPMLIB_MainInit()>. If this function is not called,
a TPM 1.2 will be used.
=head1 ERRORS
=over 4
=item B<TPM_SUCCESS>
The version of the TPM was chosen successfully.
=item B<TPM_FAIL>
The choice of the TPM was wrong, or TPMLIB_MainInit() has already been called.
=back
For a complete list of TPM error codes please consult the include file
B<libtpms/tpm_error.h>
=head1 SEE ALSO
B<TPMLIB_MainInit>(3), B<TPMLIB_Terminate>(3)
=cut
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