| # Copyright 2017 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import its.caps |
| import its.device |
| import its.target |
| |
| import numpy |
| |
| GAIN_LENGTH = 4 |
| TRANSFORM_LENGTH = 9 |
| GREEN_GAIN = 1.0 |
| GREEN_GAIN_TOL = 0.05 |
| SINGLE_A = {'ae': [True, False, True], 'af': [False, True, True], |
| 'full_3a': [True, True, True]} # note no AWB solo |
| |
| |
| def main(): |
| """Basic test for bring-up of 3A. |
| |
| To pass, 3A must converge. Check that the returned 3A values are legal. |
| """ |
| |
| with its.device.ItsSession() as cam: |
| props = cam.get_camera_properties() |
| its.caps.skip_unless(its.caps.read_3a(props)) |
| |
| for k, v in sorted(SINGLE_A.items()): |
| print k |
| try: |
| s, e, g, xform, fd = cam.do_3a(get_results=True, |
| do_ae=v[0], |
| do_af=v[1], |
| do_awb=v[2]) |
| print ' sensitivity', s, 'exposure', e |
| print ' gains', g, 'transform', xform |
| print ' fd', fd |
| print '' |
| except its.error.Error: |
| print ' FAIL\n' |
| if k == 'full_3a': |
| assert s > 0 |
| assert e > 0 |
| assert len(g) == 4 |
| assert len(xform) == 9 |
| assert fd >= 0 |
| assert numpy.isclose(g[2], GREEN_GAIN, GREEN_GAIN_TOL) |
| |
| if __name__ == '__main__': |
| main() |
| |