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 15 import its.device 16 import its.caps 17 18 def 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 38 if __name__ == '__main__': 39 main() 40 41
