全志A64平台调通OV5640摄像头
大文实验室出品
2017/5/25 15:48
版本：V1.0
开发板：BPI-M64开发板
1、
R:\wyb\ov5640_bpi_a64_android\android\device\softwinner\bpi-m64-lcd\configs\camera.cfg
used_preview_size = 1
key_support_preview_size = 1280x720,640x480
key_default_preview_size = 1280x720
used_picture_size = 1
key_support_picture_size = 1280x720,640x480
key_default_picture_size = 1280x720
修改为：
used_preview_size = 1
key_support_preview_size = 2592x1936, 2048x1536, 1600x1200, 1280x960, 1280x960, 1024x768, 1920x1080 ,1280x720, 800x600, 640x480
key_default_preview_size = 640x480
used_picture_size = 1
key_support_picture_size = 2592x1936, 2048x1536, 1600x1200, 1280x960, 1280x960, 1024x768, 1920x1080 ,1280x720, 800x600, 640x480
key_default_picture_size = 640x480
分辨率来源：
R:\wyb\ov5640_bpi_a64_android\lichee\linux-3.10\drivers\media\platform\sunxi-vfe\device\ov5640.c
关键词搜索：_regs]
取前几项就可以得知驱动中配置好的分辨率：
static struct regval_list sensor_default_regs] = {
static struct regval_list sensor_qsxga_regs] = { //qsxga: 2592*1936
static struct regval_list sensor_qxga_regs] = { //qxga: 2048*1536
static struct regval_list sensor_uxga_regs] = { //UXGA: 1600*1200
static struct regval_list sensor_sxga_regs] = { //SXGA: 1280*960
static struct regval_list sensor_xga_regs] = { //XGA: 1024*768
static struct regval_list sensor_1080p_regs] = { //1080: 1920*1080
static struct regval_list sensor_720p_regs] = { //1280*720
static struct regval_list sensor_svga_regs] = { //SVGA: 800*600
static struct regval_list sensor_vga_regs] = { //VGA: 640*480
最终版本为：
;-------------------------------------------------------------------------------
; 用于camera的配置
;
; 采用格式:
; key = key_value
; 注意: 每个key需要顶格写;
; key_value紧跟着key后面的等号后面, 位于同一行中;
; key_value限制大小为256字节以内;
;
;-------------------------------------------------------------------------------
;-------------------------------------------------------------------------------
; exif information of “make” and “model”
;-------------------------------------------------------------------------------
key_camera_exif_make = MAKE_A64
key_camera_exif_model = MODEL_A64
;-------------------------------------------------------------------------------
; 1 for single camera, 2 for double camera
;-------------------------------------------------------------------------------
number_of_camera = 1
;-------------------------------------------------------------------------------
; CAMERA_FACING_BACK
; ov5640
;-------------------------------------------------------------------------------
camera_id = 0
;-------------------------------------------------------------------------------
; 1 for CAMERA_FACING_FRONT
; 0 for CAMERA_FACING_BACK
;-------------------------------------------------------------------------------
camera_facing = 0
;-------------------------------------------------------------------------------
; 1 for camera without isp(using built-in isp of Axx)
; 0 for camera with isp
;-------------------------------------------------------------------------------
use_builtin_isp = 0
;-------------------------------------------------------------------------------
; camera orientation (0, 90, 180, 270)
;-------------------------------------------------------------------------------
camera_orientation = 180
;-------------------------------------------------------------------------------
; driver device name
;-------------------------------------------------------------------------------
camera_device = /dev/video0
;-------------------------------------------------------------------------------
; device id
; for two camera devices with one CSI
;-------------------------------------------------------------------------------
device_id = 0
used_preview_size = 1
key_support_preview_size = 2592x1936, 2048x1536, 1600x1200, 1280x960, 1280x960, 1024x768, 1920x1080 ,1280x720, 800x600, 640x480
key_default_preview_size = 640x480
used_picture_size = 1
key_support_picture_size = 2592x1936, 2048x1536, 1600x1200, 1280x960, 1280x960, 1024x768, 1920x1080 ,1280x720, 800x600, 640x480
key_default_picture_size = 640x480
used_flash_mode = 0
key_support_flash_mode = on,off,auto
key_default_flash_mode = on
used_color_effect = 1
key_support_color_effect = none,mono,negative,sepia,aqua
key_default_color_effect = none
used_frame_rate = 1
key_support_frame_rate = 30
key_default_frame_rate = 30
used_focus_mode = 1
key_support_focus_mode = auto,infinity,macro,fixed,continuous-video,continuous-picture
key_default_focus_mode = auto
used_scene_mode = 0
key_support_scene_mode = auto,portrait,landscape,night,night-portrait,theatre,beach,snow,sunset,steadyphoto,fireworks,sports,party,candlelight,barcode
key_default_scene_mode = auto
used_white_balance = 1
key_support_white_balance = auto,incandescent,fluorescent,warm-fluorescent,daylight,cloudy-daylight
key_default_white_balance = auto
used_exposure_compensation = 1
key_max_exposure_compensation = 3
key_min_exposure_compensation = -3
key_step_exposure_compensation = 1
key_default_exposure_compensation = 0
key_horizonal_view_angle = 48.6
key_vertical_view_angle = 37.0
used_zoom = 1
key_zoom_supported = true
key_smooth_zoom_supported = false
key_zoom_ratios = 100,120,150,200,230,250,300
key_max_zoom = 30
key_default_zoom = 0
2、（已经默认加载OV5640了，不用修改：）
R:\wyb\ov5640_bpi_a64_android\android\device\softwinner\bpi-m64-lcd\init.sun50iw1p1.rc
# csi module
insmod /system/vendor/modules/videobuf2-core.ko
insmod /system/vendor/modules/videobuf2-memops.ko
insmod /system/vendor/modules/videobuf2-dma-contig.ko
insmod /system/vendor/modules/vfe_io.ko
insmod /system/vendor/modules/actuator.ko
insmod /system/vendor/modules/dw9714_act.ko
insmod /system/vendor/modules/ov5640.ko
insmod /system/vendor/modules/vfe_v4l2.ko
3、（已经默认加载video0了，不用修改：）
R:\wyb\ov5640_bpi_a64_android\android\device\softwinner\bpi-m64-lcd\ueventd.sun50iw1p1.rc
/dev/video0 0770 media media
#/dev/video1 0770 media media
4、（已经默认加载OV5640了，不用修改：）
R:\wyb\ov5640_bpi_a64_android\lichee\linux-3.10\drivers\media\platform\sunxi-vfe\device\ov5640.c
R:\wyb\ov5640_bpi_a64_android\lichee\linux-3.10\drivers\media\platform\sunxi-vfe\device\Makefile
obj-m += ov5640.o
5、R:\wyb\ov5640_bpi_a64_android\lichee\tools\pack\chips\sun50iw1p1\configs\bpi-m64-lcd\sys_config.fex
[csi0]
csi0_used = 1
csi0_sensor_list = 1
csi0_pck = port:PE00<2>
csi0_mck = port:PE01<0><0><1><0>
修改为：
（很难让人相信全志的工程师不是蓄意的。不配置MCLK，你的摄像头肯定不会亮的呀！^_直接让你没脾气，全志的老板可以让你见一次打一次！！！！）
[csi0]
csi0_used = 1
csi0_sensor_list = 0
csi0_pck = port:PE00<2>
csi0_mck = port:PE01<2>
6、可选修改：
R:\wyb\ov5640_bpi_a64_android\android\frameworks\base\packages\SettingsProvider\res\values\defaults.xml
<integer name="def_screen_off_timeout">60000</integer>
修改为：
<integer name="def_screen_off_timeout">1800000</integer>
<bool name="def_lockscreen_disabled">false</bool>
修改为：
<bool name="def_lockscreen_disabled">true</bool>
7、可选修改：
R:\wyb\ov5640_bpi_a64_android\lichee\tools\pack\chips\sun50iw1p1\configs\default\env.cfg
loglevel=4
#uboot system env config
bootdelay=0
修改为：
loglevel=8
#uboot system env config
bootdelay=3