AD采样以及12864液晶显示成功程序(国外英文资料).doc
文本预览下载声明
AD采样以及12864液晶显示成功程序(国外英文资料)
# include reg52. H
# define uchar unsigned char
# define uint unsigned int
# define ulong unsigned long
# define comm 0 / / for instructions
# define dat 1 / / the data
/ / sbit CS = P0 ^ 5;
/ / sbit SID = P0 ^ 6;
/ / sbit SCLK = P0 ^ 7;
Sbit eoc = P0 ^ 0;
Sbit oe = P0 ^ 1;
Sbit st = P0 ^ 2;
Sbit ABC = P0 ^ 3;
Cs = sbit P0 ^ 5; / / serial selection, high check
Sbit sid = P0 ^ 6; / / serial data port
Sbit CLK = P0 ^ 7; / / serial synchronization clock
Sbit PSB = P0 ^ 4; / / H = parallel port; L = serial port;
Void delay (uint x);
/ * void send_cmd (uchar cmd_data);
Void send_data (uchar cmd_data);
Void lcd_init ();
Void display1 (uint x, uint y, uchar dis []);
Void display2 (uint x, uint y, uchar dis);
Void display_dy (uint x, uint y, uint dat); * /
Uint ad0809_dy ();
Uint ad0809_dl ();
/ / uchar keyscan ()
Uint a, [4].
/ / uint I, add;
/ * delay 1ms * /
Void delay (uint x)
{
Uint I, j;
(j = 0; j x; j + +)
For (I = 0; I 110; I + +);
}
The delay -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
Void delay2 (uint us) / / delay time
{
While (us --);
}
/ * void delay1 (uint ms)
{
Uint I, j;
For (I = 0; I ms; I + +)
For (j = 0; j 15; j + +)
Delay2 (1);
}
* /
I can read and write liquid crystal -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
Void wr_lcd (uchar dat_comm, uchar content)
{
Uchar a, I, j;
A = the content;
Cs = 1; / / first selection
CLK = 0; / / clock low
Sid = 1; / / 5 1
For (I = 0; I 5; I + +) / / produces five rising edge, passing five data, and the clock sets low
{
CLK = 1;
CLK = 0;
}
Sid = 0; / /
CLK = 1; / / generate a rising edge and transfer a data
CLK = 0; / /
If (dat_comm)
Sid = 1; / / data
The else
Sid = 0; / / instructions
CLK = 1; / / rw completion
CLK = 0; / / transfer
Sid = 0; / / rs = 0, display the instruction data
CLK = 1; / /
CLK = 0; / / transfer 0
For (j = 0; j 2; j + +)
{
For (I = 0; I 4; I + +)
{
A = a 1;
Sid = CY; / / it should be a real-time value that assigns this bit
显示全部