I am using DM355 EVM board for AE and AWB study ,
using device driver dm355_aew.c and dm355_aew_hw.c suppling fuctions for
setting 3A engine registers.
My frame size is 1280 x 720.
Now i wanna do AE and AWB statistic ,
parameters for 3A engine is as following:
window_width = 100,
window_height = 100,
window_hz_line_incr = 20,
window_vt_line_incr = 20,
window_hz_cnt = 12,
window_vt_cnt = 6,
window_hz_start = 240,
window_vt_start = 280,
blackwindow_height = 10,
blackwindow_vt_start = 10,
alaw_enable = DISABLE,
saturation_limit = 1023
3A engine related registers of DM355 are set correctly.
But...
(1)it seems the statistic zone is NOT what i set.
( I wanna it in the middle of the whole frame , now it seems located in
center left small zone of frame )
(2)And sometimes the bayer window sampling is with one bit shifting...
Could someone tell me what i do wrong?
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