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标题: 12864LCD刷屏慢的疑问。 [打印本页]

作者: mkliop 时间: 2012-7-9 22:28
标题: 12864LCD刷屏慢的疑问。
我弄到了一个带字库的12864液晶屏，是金鹏牌的型号是OCMJ4X8B，玩过以后发现调入一副128*64的图片要用差不多半秒，能够看到它从上到下刷屏，请问这种毛病怎么解决？这不像是单片机的问题哦

作者: lcw_swust 时间: 2012-7-10 09:17
轮流调入两副图或整屏填充不同颜色试试

作者: sanda 时间: 2012-7-10 09:40
可能单片机发送图像数据太慢了

作者: xiaoaf 时间: 2012-7-10 10:26
如果是有串口写的话就差不多是这个速度吧

作者: z421868436 时间: 2012-7-10 10:30
先将数据填进去然后再打开使能显示
原来做反白是这样做的具体的也忘记了 3到4年了……

作者: nbzwt 时间: 2012-7-10 10:46
本帖最后由 nbzwt 于 2012-7-10 10:49 编辑

什么单片机，晶振多少？代码发上来瞧瞧。12864我用STC单片机可以刷到60FPS

作者: xlwq 时间: 2012-7-10 10:55
在写数据，或命令的函数中，是不是有比较长的延时？

作者: mkliop 时间: 2012-7-10 11:21
我找到原因了，单片机是12c5a60s2这个Lcm一个指令的响应时间是0.1ms美写一个字节的数据就要写一个指令，写一副12864的图片要写1024个指令所以慢下来了…

作者: chishangpiao 时间: 2012-7-10 11:44
我也有这型号的液晶，没有这个问题啊，是不是程序的问题

作者: mkliop 时间: 2012-7-10 21:14

chishangpiao 发表于 2012-7-10 11:44
我也有这型号的液晶，没有这个问题啊，是不是程序的问题

??你可以帮忙发一个驱动上来吗》？下面这个是我的
#include<stc60s2.h>
#include<intrins.h>
#define u8 unsigned char
sbit REQ=P0^0;
sbit BUSY=P0^1;
unsigned char code tab[]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x01,0x82,0x80,0x00,0x00,0x00,0x02,0x10,0x00,0x0F,0xFB,0xC0,0x00,0x00,0x00,
0x00,0x02,0x42,0x80,0x00,0x00,0x00,0x19,0x18,0x00,0x0B,0xFF,0x80,0x00,0x00,0x00,
0x00,0x02,0xC2,0x80,0x00,0x00,0x00,0x21,0xFF,0x00,0x0F,0xFF,0x80,0x00,0x00,0x00,
0x00,0x3B,0xC1,0x80,0x00,0x00,0x00,0x57,0xFF,0xE0,0x0F,0xFF,0x80,0x00,0x00,0x00,
0x00,0x45,0xB9,0x80,0x80,0x00,0x00,0x8F,0xFF,0xF1,0x0F,0xFF,0x00,0x00,0x00,0x00,
0x00,0x82,0x44,0xA0,0x80,0x00,0x01,0x1E,0x8F,0xFE,0x0F,0xFF,0x00,0x00,0x00,0x00,
0x00,0x82,0x5C,0x10,0x60,0x00,0x00,0xF9,0x07,0xFC,0x0F,0xFF,0x00,0x00,0x00,0x00,
0x0F,0x83,0xF8,0x49,0xF8,0x00,0x00,0x33,0x06,0x7E,0x0F,0xFE,0x00,0x00,0x00,0x00,
0x10,0x8A,0x20,0x47,0xFE,0x00,0x00,0x67,0x06,0x7F,0x0E,0x0E,0x10,0x00,0x00,0x00,
0x10,0x92,0x10,0xA7,0x1F,0x00,0x00,0x6F,0x8F,0xFF,0x0C,0x04,0x00,0x00,0x00,0x00,
0x10,0x44,0x11,0x26,0x0F,0x00,0x00,0x4F,0xF3,0xFF,0x8C,0xE4,0x50,0x00,0x00,0x00,
0x08,0x78,0x51,0x3D,0x0F,0x80,0x00,0x1F,0xF3,0x9D,0xC9,0x02,0x00,0x00,0x00,0x00,
0x0F,0xCC,0x22,0x2D,0x9F,0x80,0x00,0x1F,0xCE,0x9E,0x89,0x02,0x10,0x00,0x00,0x00,
0x10,0x5F,0xC4,0x0B,0xE7,0xC0,0x00,0x1F,0xCF,0xF6,0x93,0xC2,0x00,0x00,0x00,0x00,
0x20,0x7C,0x49,0x5A,0x67,0xC0,0x00,0x1F,0xFF,0xFE,0x84,0x22,0x50,0x00,0x00,0x00,
0x21,0x7C,0x30,0x12,0x7F,0xC0,0x00,0x1F,0xFF,0xFE,0x05,0x22,0x00,0x00,0x00,0x00,
0x22,0x84,0x21,0x0B,0xFF,0xC0,0x00,0x1F,0xFF,0xF6,0x04,0x22,0x10,0x00,0x00,0x00,
0x11,0xA4,0x20,0x0B,0xFF,0xC0,0x00,0x0F,0xFF,0xD6,0x06,0x44,0x00,0x00,0x00,0x00,
0x0E,0x86,0x41,0x4B,0xFF,0xC0,0x00,0x0F,0xFF,0xCC,0x00,0x05,0x50,0x00,0x00,0x00,
0x10,0x97,0xFC,0x07,0xFF,0xC0,0x00,0x07,0xF0,0x1C,0x00,0x08,0x00,0x00,0x00,0x00,
0x20,0x8F,0xE9,0x15,0xFE,0xC0,0x00,0x07,0xE0,0x38,0x10,0x09,0x10,0x00,0x00,0x00,
0xF8,0x7F,0xF0,0x05,0xE2,0x80,0x1F,0xC3,0x80,0x78,0x10,0x10,0x00,0x00,0x00,0x00,
0xF4,0x5F,0xD5,0x49,0xE1,0x8F,0xE0,0x40,0xC1,0xF0,0x2C,0x65,0x50,0x00,0x00,0x00,
0x7A,0x5F,0xA0,0x08,0xC3,0x08,0x1F,0xC3,0xFF,0xC0,0x23,0x80,0x00,0x00,0x00,0x00,
0xBE,0xEE,0xD1,0x09,0x7E,0x07,0xFF,0xC0,0xFF,0x00,0x50,0x71,0x10,0x00,0x00,0x00,
0x6B,0x5F,0x00,0x08,0x00,0x07,0xFF,0xC0,0x00,0xE0,0x40,0x88,0x00,0x00,0x00,0x00,
0x1D,0xC0,0x55,0x48,0x74,0x03,0xFF,0xC0,0x20,0x20,0x95,0x05,0x50,0x00,0x00,0x00,
0x77,0xFE,0x00,0x04,0x8A,0x03,0xFF,0xC0,0x20,0x41,0x01,0x04,0x00,0x00,0x00,0x00,
0xBF,0xFF,0xC1,0x14,0x48,0x01,0xFF,0xC0,0x1F,0x83,0x87,0x04,0x08,0x00,0x00,0x00,
0xFF,0xFF,0xF0,0x02,0x38,0x01,0xFE,0x40,0x00,0x05,0x58,0x8F,0x90,0x00,0x00,0x00,
0xF0,0x40,0xF5,0x55,0x00,0x01,0xF0,0x40,0x00,0x18,0x30,0x70,0x50,0x00,0x00,0x00,
0xB8,0xA1,0xD0,0x00,0x80,0x00,0xE0,0x40,0x00,0x20,0x10,0x70,0x50,0x00,0x00,0x00,
0xC7,0xDE,0x21,0x11,0x60,0x00,0x40,0x80,0x00,0xC0,0x10,0xF0,0x48,0x00,0x00,0x00,
0xF8,0x29,0xD0,0x00,0x18,0x00,0x3F,0x00,0x03,0x00,0x0F,0x10,0x40,0x00,0x00,0x00,
0xBE,0x73,0x35,0x45,0x46,0x00,0x00,0x00,0x1C,0x00,0x02,0x0F,0x90,0x00,0x00,0x00,
0x6C,0x33,0x20,0x00,0x01,0xC0,0x00,0x01,0xFF,0x80,0x02,0x08,0x80,0x00,0x00,0x00,
0xBF,0xFC,0xD1,0x11,0x10,0x3D,0xFC,0x3F,0x00,0x60,0x02,0x08,0x50,0x00,0x00,0x00,
0x3F,0xFC,0xC0,0x00,0x00,0x06,0x03,0xC8,0x00,0x1C,0x01,0x18,0x20,0x00,0x00,0x00,
0x2E,0x33,0x04,0x44,0x44,0x18,0x00,0x70,0x00,0x03,0xC1,0xE8,0x20,0x00,0x00,0x00,
0x3F,0x73,0x00,0x00,0x00,0x60,0x00,0x20,0x00,0x00,0x39,0x08,0x10,0x00,0x00,0x00,
0x3F,0x6F,0xD0,0x10,0x11,0x80,0x00,0x40,0x00,0x00,0x06,0x04,0x08,0x00,0x00,0x00,
0x3F,0x5F,0xC0,0x00,0x06,0x20,0x00,0x40,0x00,0x20,0x01,0x04,0x00,0x00,0x00,0x00,
0xEF,0x3F,0xF7,0xFF,0xFF,0xF0,0x00,0x40,0x00,0x7F,0xFF,0xFF,0xF8,0x00,0x00,0x00,
0x17,0x7F,0x80,0x00,0x00,0x0C,0x00,0x40,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
0x1E,0x3F,0x80,0x00,0x00,0x03,0x81,0xA0,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x0F,0xFF,0x00,0x00,0x00,0x00,0x7E,0x1F,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
void d30us(void) //误差 -0.070167824074us
{
      unsigned char a;
for(a=51;a>0;a--);
}

void delay10ms(void) //误差 -0.000000000001us
{
u8 a,b,c;
for(c=7;c>0;c--)
      for(b=168;b>0;b--)
         for(a=24;a>0;a--);
}
void wlcm(u8 date)
{
  while(BUSY);
  REQ=0;
  P1=date;
d30us();
  REQ=1;
  d30us();
  REQ=0;
}
void xieh(u8 h,l) //往指定位置写字
{
u8 mm,gw,dw,kk=0;
unsigned int j;

for(j=0;j<1023;j++)
{
  wlcm(0x0f3);
  wlcm(h);
  wlcm(l);
  wlcm(tab[j]);
h++;
  if(h==0x14)
  {
  h=0x04;
  l++;
}
}
}
void main()
{
  BUSY=1;
  REQ=0;
  delay10ms();
xieh(0x04,0x00);
  while(1);
}

作者: zhanyicai000 时间: 2012-7-10 22:17
mark！！！！

作者: zhanyicai000 时间: 2012-7-10 22:22

mark！！！！

作者: zhanyicai000 时间: 2012-7-10 22:23

mkliop 发表于 2012-7-10 21:14
??你可以帮忙发一个驱动上来吗》？下面这个是我的
#include
#include

恩，这个好

作者: chishangpiao 时间: 2012-7-11 09:56

mkliop 发表于 2012-7-10 21:14
??你可以帮忙发一个驱动上来吗》？下面这个是我的
#include
#include

程序我不一定能给你找到，那是两年前在郑州工作的时候做的，而且我也是参考金鹏给的里程写的
我看了一下你的
void wlcm(u8 date)
{
  while(BUSY);
  REQ=0;
  P1=date;
d30us();
  REQ=1;
  d30us();
  REQ=0;
}
这个程序延时就有60us,加上数据手册上说的while(BUSY);需要20us，而你的void xieh(u8 h,l) 里面一个循环就执行了4次void wlcm(u8 date)，总共1024，我觉得出现你说的那种现象很正常，

数据手册上，他那个req保持时间没有那么长，你楼上说的那个最大0.1ms的指令貌似是最大时间吧，我觉得void xieh(u8 h,l) 里的的地址送一次就行了，内部地址指针会随着你送数据自动累加，时间太久了，有些我也记不清了，不知道上面废话的能否帮上你忙。

作者: mkliop 时间: 2012-7-11 21:03

chishangpiao 发表于 2012-7-11 09:56
程序我不一定能给你找到，那是两年前在郑州工作的时候做的，而且我也是参考金鹏给的里程写的
我看了一下 ...

谢谢你哦，我在看看

作者: mcu_lover 时间: 2012-7-11 22:01

nbzwt 发表于 2012-7-10 10:46
什么单片机，晶振多少？代码发上来瞧瞧。12864我用STC单片机可以刷到60FPS

用的什么型号的液晶，60fps,严重怀疑啊。我最好才到15fps

作者: xwkm 时间: 2012-7-12 08:43

nbzwt 发表于 2012-7-10 10:46
什么单片机，晶振多少？代码发上来瞧瞧。12864我用STC单片机可以刷到60FPS

12864速度才那么点……你刷得了这么快?这卡住的是LCM，不是单片机！
还有你也逛这里啊？

作者: explorer117 时间: 2012-7-12 08:57
我原来是把延时全部去掉，改为查忙，速度彪了几倍

作者: nbzwt 时间: 2012-7-12 19:03

mcu_lover 发表于 2012-7-11 22:01
用的什么型号的液晶，60fps,严重怀疑啊。我最好才到15fps

KS0108兼容芯片控制的。STC12C5A60S2超频到40MHz。每写1个字节需要加300个nop（我不用查Busy法，节省时间），就是300个周期，而40MHz 1T下1s有4000000个周期，假设写一个字节需要400个周期，那么1秒也可以写100000个字节，一屏是1024字节，除下来就是977FPS啊！

作者: nbzwt 时间: 2012-7-12 19:06
本帖最后由 nbzwt 于 2012-7-12 19:58 编辑

xwkm 发表于 2012-7-12 08:43
12864速度才那么点……你刷得了这么快?这卡住的是LCM，不是单片机！
还有你也逛这里啊？ ...

兼容芯片是无敌的，具体看上楼的回复。PS.原来是你，我一直在这混的

作者: haijin0829 时间: 2012-7-13 22:58
单片机不可能那么慢吧……

作者: unifax001 时间: 2012-7-15 22:37
不懂顶一下！

作者: marshallemon 时间: 2012-7-16 00:33
金鹏的玩意

作者: huang_guo_ming 时间: 2012-7-16 00:34
速度·····

作者: llz0734 时间: 2012-7-16 14:16
新手学习啊!

作者: 锋仔_up 时间: 2013-11-1 23:34
受教受教··~

作者: 指端轻语 时间: 2013-11-8 19:18
这种情况，仔细看看程序吧，是不是哪有延时程序较多了

作者: TrulyZhu 时间: 2013-11-11 18:06
呵呵，回去试试看

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