test_3a.py revision 87df78b48064a9bd31083968476e10242807985f 
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
16
17def main():
18    """Basic test for bring-up of 3A.
19
20    To pass, 3A must converge. Check that the returned 3A values are legal.
21    """
22
23    with its.device.ItsSession() as cam:
24        rect = [0,0,1,1]
25        sens, exp, gains, xform, focus = cam.do_3a(rect, rect, rect)
26        print "AE: sensitivity %d, exposure %dms" % (sens, exp/1000000)
27        print "AWB: gains", gains, "transform", xform
28        print "AF: distance", focus
29        assert(sens > 0)
30        assert(exp > 0)
31        assert(len(gains) == 4)
32        assert(len(xform) == 9)
33        assert(focus > 0)
34
35if __name__ == '__main__':
36    main()
37
38