ov2640设置咨询

Lewis

下面是JPEG输出时的设置，可以参考修改成YUV输出CIF 352*288
. ^# t" `* d% H5 Pconst unsigned char OV2640_YUV422[][2]=
* a, G* E3 }# c8 f9 F{
  0xFF, 0x00,
- ^& m9 m- i7 s& b' w3 x3 }6 K  0x05, 0x00,
8 \1 X" O( T4 y- c; X  0xDA, 0x10,
, k9 c" k2 l0 T( H) W! b  0xD7, 0x03,
  0xDF, 0x00,
  0x33, 0x80,
2 T% l. e  u9 e7 D4 v/ H  0x3C, 0x40,
5 |$ _* @# [/ ]! J  0xe1, 0x77,
+ S9 ]" V1 L. c9 ~  0x00, 0x00,
};
0 E! P4 u7 ]; V/ S0 }0 s- ^. z% [' z
& P  p9 F7 u; _  }/* JPG 352x288 */
const unsigned char OV2640_352x288_JPEG[][2]=
{
  0xff, 0x01,
; L- d/ R: _% z* D  0x12, 0x40,
& r& U9 h4 S. {5 u: g( s2 S; W  0x17, 0x11,
- O3 k4 Q5 O8 r) G  0x18, 0x43,
  0x19, 0x00,
  0x1a, 0x4b,
  0x32, 0x09,
3 W2 J3 ?5 g8 I+ U/ G  0x4f, 0xca,
  0x50, 0xa8,
+ F) \/ w' ~6 W! m6 z' D  o  0x5a, 0x23,
% C+ D: Q% B7 ~# c- m; J  0x6d, 0x00,
  0x39, 0x12,
  0x35, 0xda,
  0x22, 0x1a,
  0x37, 0xc3,
, w. V4 y4 e: s/ _- t4 b! ~  0x23, 0x00,
  0x34, 0xc0,
& G  ~% z. q- h1 P; P+ M  0x36, 0x1a,
  0x06, 0x88,
  0x07, 0xc0,
  0x0d, 0x87,
  0x0e, 0x41,
  0x4c, 0x00,
6 Q3 E- `6 Q4 K+ @' a; s3 |1 b
4 |% C5 g+ `" w2 R  0xff, 0x00,
  0xe0, 0x04,
  0xc0, 0x64,
  0xc1, 0x4b,
% u/ n% @' b7 k8 r: t: N7 x  0x86, 0x35,
1 F9 I8 w% U' d. ~6 S  0x50, 0x89,
( ?# k, b" u( c' }  0x51, 0xc8,
) \( k. U$ m5 `) p' `  0x52, 0x96,
  0x53, 0x00,
: S6 [/ o7 M8 u; |  0x54, 0x00,
  0x55, 0x00,
  0x57, 0x00,
  0x5a, 0x58,
  0x5b, 0x48,
  0x5c, 0x00,
  0xe0, 0x00,
9 S. t$ _9 M! g2 i) M. M, E};
关闭黑白平衡write_SCCB(0xc7, 0x40); //AWB off
参考OV2640 Software Application Notes1.03的Light Mode章节
! E% H$ c9 Z$ g* p9 q

Lewis

可以将下面的if判断屏蔽，但这样会对c6748的显示有影响，但采集没问题
: a4 s" S. }# C' L: P2 c' Rif(i>=2)
8 A3 }( n% s! g2 x. a2 D  {
0 H% n- Q6 M7 A- X3 A   VPIFCaptureChanenDisable(SOC_VPIF_0_REGS, VPIF_CHANNEL_1);
* I: y" n2 U3 P/ k   VPIFCaptureChanenDisable(SOC_VPIF_0_REGS, VPIF_CHANNEL_0);
   Qdma3();
- s$ g# Z4 P* J6 n/ f7 w   i=0;
   /* Enable capture */
: M  T& i; K8 Q8 ~: r$ v" H+ ^, S& i   VPIFCaptureChanenEnable(SOC_VPIF_0_REGS, VPIF_CHANNEL_0);
   VPIFCaptureChanenEnable(SOC_VPIF_0_REGS, VPIF_CHANNEL_1);
  }
8 V$ ~/ r7 O" ~/ _# C' M  i++;
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