1# Copyright 2013 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15import its.device
16import its.caps
17
18def main():
19    """Basic test for bring-up of 3A.
20
21    To pass, 3A must converge. Check that the returned 3A values are legal.
22    """
23
24    with its.device.ItsSession() as cam:
25        props = cam.get_camera_properties()
26        its.caps.skip_unless(its.caps.read_3a(props))
27
28        sens, exp, gains, xform, focus = cam.do_3a(get_results=True)
29        print "AE: sensitivity %d, exposure %dms" % (sens, exp/1000000)
30        print "AWB: gains", gains, "transform", xform
31        print "AF: distance", focus
32        assert(sens > 0)
33        assert(exp > 0)
34        assert(len(gains) == 4)
35        assert(len(xform) == 9)
36        assert(focus >= 0)
37
38if __name__ == '__main__':
39    main()
40
41