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发表于 2012-4-17 09:33
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本帖最后由 songta00728 于 2012-4-17 10:10 编辑
程序是采用状态机的思想编写的，这样12M晶振跑32X160的点阵就不会有闪烁感，理论上计算了一下，再增加一块32X80点阵屏也是没有问题的.这是随手编的程序，没来的急进行整理，只供参考吧，程序是可以运行的。开发环境ICCAVR.
#include<iom644v.h>
//Fuse Bit
//Low bit : DE; High bit: D9; Extended bit : FD
//外部晶振8-16M,掉电检测电压2.7V,不分频.
//typedef data model
typedef signed char i8;
typedef unsigned char u8;
typedef signed int i16;
typedef unsigned int u16;
typedef signed long i32;
typedef unsigned long u32;
// define use IO
#define A (PD7)
#define B (PD6)
#define C (PD5)
#define D (PD4)
#define RCK (PD3)
#define SCK (PD2)
#define OE (PD1)
#define G1DATA (PC6)
#define R1DATA (PC5)
#define G2DATA (PC0)
#define R2DATA (PC1)
#define RCK_HIGH PORTD |= (1<<RCK)
#define RCK_LOW PORTD &= ~(1<<RCK)
#define SCK_HIGH PORTD |= (1<<SCK)
#define SCK_LOW PORTD &= ~(1<<SCK)
#define OE_HIGH PORTD |= (1<<OE)
#define OE_LOW PORTD &= ~(1<<OE)
//上半屏16X80数据
#define G1DATA_1 PORTC |= (1<<G1DATA)
#define G1DATA_0 PORTC &= ~(1<<G1DATA)
#define R1DATA_1 PORTC |= (1<<R1DATA)
#define R1DATA_0 PORTC &= ~(1<<R1DATA)
//下半屏16X80数据
#define G2DATA_1 PORTC |= (1<<G2DATA)
#define G2DATA_0 PORTC &= ~(1<<G2DATA)
#define R2DATA_1 PORTC |= (1<<R2DATA)
#define R2DATA_0 PORTC &= ~(1<<R2DATA)
#define RED (0)
#define GREEN (1)
#define YELLOW (2)
#define NO_MOVE (0)
#define LEFT_MOVE (1)
#define RIGHT_MOVE (2)
#define BUFFER_SIZE (12) //半屏缓冲区汉字个数
#define DISPLAY_SIZE (5) //半屏显示最多显示汉字数16X16
const u8 dis16X16[BUFFER_SIZE*32*2] = {
//-- 文字: 上 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0x07,0xFE,0xFF,
0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFB,0x80,0x01,0xFF,0xFF,
//-- 文字: 海 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xDE,0xFF,0xEE,0xFF,0xEE,0x01,0xFD,0xFF,0x68,0x07,0xAD,0x77,0xAD,0xB7,0xED,0xF7,
0xD0,0x01,0xDD,0x77,0x1D,0xB7,0xDD,0xF7,0xDC,0x01,0xDF,0xF7,0xDF,0xD7,0xDF,0xEF,
//-- 文字: 烽 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xEF,0xBF,0xEF,0x03,0xEF,0x77,0xEA,0xAF,0xA5,0xDF,0xAF,0x27,0xAC,0xD9,0xE2,0x03,
0xEF,0xDF,0xEE,0x03,0xD7,0xDF,0xD8,0x01,0xBF,0xDF,0xBF,0xDF,0x7F,0xDF,0xFF,0xDF,
//-- 文字: 能 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xDF,0xBF,0xCF,0xBF,0xDB,0xB3,0xBD,0x8F,0x00,0xBB,0xBD,0xB9,0xFF,0x83,0x81,0xFF,
0xBD,0xBF,0x81,0xB3,0xBD,0x8F,0x81,0xBF,0xBD,0xBB,0xBD,0xB9,0xB5,0xC3,0xBB,0xFF,
//-- 文字: 照 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFE,0x03,0xC3,0xBB,0xDB,0xBB,0xDB,0xBB,0xDB,0x6B,0xC2,0xF7,0xD9,0x03,0xDB,0x7B,
0xC3,0x7B,0xDB,0x03,0xFF,0x7B,0xD7,0x77,0xDB,0xBB,0x99,0x99,0x3D,0xDD,0xFF,0xFF,
//-- 文字: 明 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0x03,0x83,0x7B,0xBB,0x7B,0xBB,0x7B,0xBB,0x03,0x83,0x7B,0xBB,0x7B,0xBB,0x7B,
0xBB,0x03,0x83,0x7B,0xFF,0x7B,0xFE,0xFB,0xFE,0xFB,0xFD,0xFB,0xFB,0xEB,0xFF,0xF7,
//-- 文字: 科 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xF9,0xF7,0x87,0x77,0xF7,0xB7,0xF7,0xB7,0x01,0xF7,0xE7,0x77,0xE3,0xB7,0xD5,0xB7,
0xD7,0xF1,0xB7,0x87,0x74,0x77,0xF7,0xF7,0xF7,0xF7,0xF7,0xF7,0xF7,0xF7,0xF7,0xF7,
//-- 文字: 技 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xEF,0xDF,0xEF,0xDF,0xEF,0xDF,0x02,0x01,0xEF,0xDF,0xEB,0xDF,0xE6,0x03,0xCE,0xF7,
0x2F,0x77,0xEF,0x6F,0xEF,0x9F,0xEF,0x9F,0xEF,0x6F,0xEE,0xF1,0xA9,0xFB,0xDF,0xFF,
//-- 文字: 有 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFE,0xFF,0xFE,0xFF,0x80,0x01,0xFD,0xFF,0xFB,0xFF,0xF0,0x0F,0xE7,0xEF,0xD7,0xEF,
0xB0,0x0F,0x77,0xEF,0xF7,0xEF,0xF0,0x0F,0xF7,0xEF,0xF7,0x6F,0xF7,0x8F,0xF7,0xDF,
//-- 文字: 限 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0x04,0x07,0x6D,0xF7,0x6C,0x07,0x5D,0xF7,0x5D,0xF7,0x6C,0x07,0x75,0x7F,
0x75,0xB7,0x55,0xAF,0x6D,0xDF,0x7D,0xDF,0x7D,0xEF,0x7D,0x71,0x7C,0xFB,0x7D,0xFF,
//-- 文字: 公 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0xFB,0xBF,0xF9,0xBF,0xFB,0xBF,0xF7,0xDF,0xF7,0xEF,0xEF,0xE7,0xDD,0xF1,
0xBC,0xFB,0xFD,0xFF,0xFB,0xDF,0xF7,0xEF,0xEE,0x07,0xC0,0xE7,0xEF,0xEF,0xFF,0xFF,
//-- 文字: 司 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0xC0,0x03,0xFF,0xFB,0xFF,0xFB,0x80,0x1B,0xFF,0xFB,0xFF,0xFB,0xC0,0x3B,
0xDF,0xBB,0xDF,0xBB,0xC0,0x3B,0xDF,0xBB,0xDF,0xFB,0xFF,0xEB,0xFF,0xF7,0xFF,0xFF,
//-- 文字: 上 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0x07,0xFE,0xFF,
0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFB,0x80,0x01,0xFF,0xFF,
//-- 文字: 海 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xDE,0xFF,0xEE,0xFF,0xEE,0x01,0xFD,0xFF,0x68,0x07,0xAD,0x77,0xAD,0xB7,0xED,0xF7,
0xD0,0x01,0xDD,0x77,0x1D,0xB7,0xDD,0xF7,0xDC,0x01,0xDF,0xF7,0xDF,0xD7,0xDF,0xEF,
//-- 文字: 璐 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xDF,0x08,0x5F,0xDB,0x43,0xDB,0x1B,0xDB,0x57,0xD8,0x67,0x05,0xEF,0xDD,0xD7,
0xDC,0xB9,0xD5,0x43,0xD5,0xDB,0xC5,0x5B,0x34,0xDB,0xE3,0xC3,0xFF,0xDB,0xFF,0xFF,
//-- 文字: 柯 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xEF,0xFF,0xEF,0xFF,0xEC,0x01,0xEF,0xFB,0x03,0xFB,0xEE,0x1B,0xC6,0xDB,0xCA,0xDB,
0xAA,0xDB,0xAE,0x1B,0x6F,0xFB,0xEF,0xFB,0xEF,0xFB,0xEF,0xFB,0xEF,0xEB,0xEF,0xF7,
//-- 文字: 宏 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFE,0xFF,0xFF,0x7F,0xC0,0x01,0xDD,0xFB,0xBC,0xF7,0xFD,0xFF,0x80,0x01,0xFD,0xFF,
0xFB,0x7F,0xFB,0x7F,0xF6,0xFF,0xEE,0xEF,0xDD,0xF7,0xBB,0x03,0xF0,0x77,0xFF,0xFF,
//-- 文字: 电 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xC0,0x07,0xDE,0xF7,0xDE,0xF7,0xC0,0x07,0xDE,0xF7,
0xDE,0xF7,0xDE,0xF7,0xC0,0x07,0xDE,0xF7,0xFE,0xFD,0xFE,0xFD,0xFF,0x01,0xFF,0xFF,
//-- 文字: 子 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0xC0,0x0F,0xFF,0xDF,0xFF,0xBF,0xFF,0x7F,0xFE,0xFF,0xFE,0xFF,0xFE,0xFB,
0x00,0x01,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFA,0xFF,0xFD,0xFF,
//-- 文字: 有 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFE,0xFF,0xFE,0xFF,0x80,0x01,0xFD,0xFF,0xFB,0xFF,0xF0,0x0F,0xE7,0xEF,0xD7,0xEF,
0xB0,0x0F,0x77,0xEF,0xF7,0xEF,0xF0,0x0F,0xF7,0xEF,0xF7,0x6F,0xF7,0x8F,0xF7,0xDF,
//-- 文字: 限 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0x04,0x07,0x6D,0xF7,0x6C,0x07,0x5D,0xF7,0x5D,0xF7,0x6C,0x07,0x75,0x7F,
0x75,0xB7,0x55,0xAF,0x6D,0xDF,0x7D,0xDF,0x7D,0xEF,0x7D,0x71,0x7C,0xFB,0x7D,0xFF,
//-- 文字: 公 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0xFB,0xBF,0xF9,0xBF,0xFB,0xBF,0xF7,0xDF,0xF7,0xEF,0xEF,0xE7,0xDD,0xF1,
0xBC,0xFB,0xFD,0xFF,0xFB,0xDF,0xF7,0xEF,0xEE,0x07,0xC0,0xE7,0xEF,0xEF,0xFF,0xFF,
//-- 文字: 司 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0xC0,0x03,0xFF,0xFB,0xFF,0xFB,0x80,0x1B,0xFF,0xFB,0xFF,0xFB,0xC0,0x3B,
0xDF,0xBB,0xDF,0xBB,0xC0,0x3B,0xDF,0xBB,0xDF,0xFB,0xFF,0xEB,0xFF,0xF7,0xFF,0xFF,
//-- 文字: 空 --//
//-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --//
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};
const u8 row_scan_table[16] = {0x00,0x80,0x40,0xc0,0x20,0xa0,0x60,0xe0,0x10,0x90,0x50,0xd0,0x30,0xb0,0x70,0xf0};
void port_init(void);
void enable_display(void);
void disable_display(void);
void row_scan(u8 disrow);
void hc595_data(u8 r1data,u8 r2data,u8 g1data,u8 g2data,u8 colour);
void left_shift_data(u8 *in_pointer,u8 *out_pointer,u8 *temp,u8 size);
void right_shift_data(u8 *in_pointer,u8 *out_pointer,u8 *temp,u8 size);
struct struct_led{
u8 disrow; //0-15行,行显示,不需要对应的EEPROM
u8 dissize; //显示尺寸,这个需要对应的EEPROM, //5个字/10个字
//u8 move;
u8 r1data[BUFFER_SIZE*32]; //缓冲区12个汉字空间
u8 r1data_buff[BUFFER_SIZE*32]; //数据缓冲区，屏移动的时候才去用它
u8 r2data[BUFFER_SIZE*32];
u8 r2data_buff[BUFFER_SIZE*32];
u8 g1data[BUFFER_SIZE*32];
u8 g1data_buff[BUFFER_SIZE*32];
u8 g2data[BUFFER_SIZE*32];
u8 g2data_buff[BUFFER_SIZE*32];
u8 status; //0静态 1左移 2右移 3雪花
u8 colour; //0RED 1GREEN 2YELLOW
u16 speed; //
u16 delay;
}led;
volatile u8 read_data_flag = 0; //0读取XXdata[XXX],1读取XXdata_buff[XXX]
volatile u8 buffer_data_completed = 0;
volatile u8 size = 0;
u8 r1buffer[16];
u8 r2buffer[16];
u8 g1buffer[16];
u8 g2buffer[16];
#define Fcpu (12000000)
#define BASE_TIME (1) //ms
#define BASE_TIME_DIV (64) //2= 8;3= 64;4= 256;5= 1024;
//#define BASE_TIMERCOUNT ((BASE_TIME*Fcpu)/(1000000*BASE_TIME_DIV))
#define BASE_TIMERCOUNT (188) //((12000)/(1*64))
#define LOW_SPEED (1000) //1000*BASE_TIME = 1S
#define MIDDLE_SPEED (500) //500*BASE_TIME = 500mS
#define HIGH_SPEED (100) //100*BASE_TIME = 100mS
void base_timer0_initial(void);
void eeprom_write(u16 address,u8 data);
u8 eeprom_read(u16 address);
void write_data_eeprom(void);
void led_parameter_initial(void);
void main(void){
u16 i = 0,num = 0;
write_data_eeprom();
led_parameter_initial();
/*
for(i=0;i<12*32;i++){
led.r1data = dis16X16;
led.r2data = dis16X16;
led.g1data = dis16X16;
led.g2data = dis16X16;
led.r1data_buff = dis16X16;
led.r2data_buff = dis16X16;
led.g1data_buff = dis16X16;
led.g2data_buff = dis16X16;
}
led.status = RIGHT_MOVE; //左移
led.colour = GREEN; //绿色
led.dissize = DISPLAY_SIZE; //5个字的长度
*/
base_timer0_initial();
port_init();
disable_display();
while(1){
while(TCNT0!=BASE_TIMERCOUNT); //1ms一次循环,这样就可执行1ms*12000=12000个机器周期指令
TCNT0 = 0;
//每隔1ms扫描一行,这样每行的扫描频率即为1s/16ms=62,5HZ
disable_display(); //1关显示
if(++led.disrow==16){ //2指向下一行
led.disrow = 0;
}
//静态显示
if(led.status==NO_MOVE){
for(num=0;num<led.dissize;num++){ //3送要发送的数据
hc595_data(led.r1data[2*led.disrow + num*32],led.r2data[2*led.disrow + num*32],led.g1data[2*led.disrow + num*32],led.g2data[2*led.disrow + num*32],led.colour);
hc595_data(led.r1data[(2*led.disrow+1) + num*32],led.r2data[(2*led.disrow+1) + num*32],led.g1data[(2*led.disrow+1) + num*32],led.g2data[(2*led.disrow+1) + num*32],led.colour);
}
RCK_LOW; //4将要发送的数据锁存到595中
RCK_HIGH;
row_scan(led.disrow); //5送扫描行数据
enable_display(); //6打开显示
}
//移动显示
else{//if(led.status!=0)
if(read_data_flag==0){
for(num=0;num<led.dissize;num++){ //3送要发送的数据
hc595_data(led.r1data[2*led.disrow + num*32],led.r2data[2*led.disrow + num*32],led.g1data[2*led.disrow + num*32],led.g2data[2*led.disrow + num*32],led.colour);
hc595_data(led.r1data[(2*led.disrow+1) + num*32],led.r2data[(2*led.disrow+1) + num*32],led.g1data[(2*led.disrow+1) + num*32],led.g2data[(2*led.disrow+1) + num*32],led.colour);
}
RCK_LOW; //4将要发送的数据锁存到595中
RCK_HIGH;
row_scan(led.disrow); //5送扫描行数据
enable_display();
}
else if(read_data_flag==1){
for(num=0;num<led.dissize;num++){ //3送要发送的数据
hc595_data(led.r1data_buff[2*led.disrow + num*32],led.r2data_buff[2*led.disrow + num*32],led.g1data_buff[2*led.disrow + num*32],led.g2data_buff[2*led.disrow + num*32],led.colour);
hc595_data(led.r1data_buff[(2*led.disrow+1) + num*32],led.r2data_buff[(2*led.disrow+1) + num*32],led.g1data_buff[(2*led.disrow+1) + num*32],led.g2data_buff[(2*led.disrow+1) + num*32],led.colour);
}
RCK_LOW; //4将要发送的数据锁存到595中
RCK_HIGH;
row_scan(led.disrow); //5送扫描行数据
enable_display();
}
if(++led.speed==HIGH_SPEED){
led.speed = 0;
if(buffer_data_completed = 1){
buffer_data_completed = 0;
read_data_flag ^= 0x01;
read_data_flag &= 0x01;
}
else{
led.speed--;
}
}
///////////////////////////////////////////////////////////
if(read_data_flag==0){
if(led.status==0){//静态,不移动
}
else if(led.status==LEFT_MOVE){//左移
if(led.colour==RED){
left_shift_data(led.r1data,led.r1data_buff,r1buffer,size);
left_shift_data(led.r2data,led.r2data_buff,r2buffer,size);
}
else if(led.colour==GREEN){
left_shift_data(led.g1data,led.g1data_buff,g1buffer,size);
left_shift_data(led.g2data,led.g2data_buff,g2buffer,size);
}
else if(led.colour==YELLOW){
left_shift_data(led.r1data,led.r1data_buff,r1buffer,size);
left_shift_data(led.r2data,led.r2data_buff,r2buffer,size);
left_shift_data(led.g1data,led.g1data_buff,g1buffer,size);
left_shift_data(led.g2data,led.g2data_buff,g2buffer,size);
}
if(++size==12){
size = 0;
buffer_data_completed = 1;
}
else{
}
}
else if(led.status==RIGHT_MOVE){//右移
if(led.colour==RED){
right_shift_data(led.r1data,led.r1data_buff,r1buffer,size);
right_shift_data(led.r2data,led.r2data_buff,r2buffer,size);
}
else if(led.colour==GREEN){
right_shift_data(led.g1data,led.g1data_buff,g1buffer,size);
right_shift_data(led.g2data,led.g2data_buff,g2buffer,size);
}
else if(led.colour==YELLOW){
right_shift_data(led.r1data,led.r1data_buff,r1buffer,size);
right_shift_data(led.r2data,led.r2data_buff,r2buffer,size);
right_shift_data(led.g1data,led.g1data_buff,g1buffer,size);
right_shift_data(led.g2data,led.g2data_buff,g2buffer,size);
}
if(++size==12){
size = 0;
buffer_data_completed = 1;
}
else{
}
}
}
else if(read_data_flag==1){
if(led.status==0){
//不移动
}
else if(led.status==LEFT_MOVE){
if(led.colour==RED){
left_shift_data(led.r1data_buff,led.r1data,r1buffer,size);
left_shift_data(led.r2data_buff,led.r2data,r2buffer,size);
}
else if(led.colour==GREEN){
left_shift_data(led.g1data_buff,led.g1data,g1buffer,size);
left_shift_data(led.g2data_buff,led.g2data,g2buffer,size);
}
else if(led.colour==YELLOW){
left_shift_data(led.r1data_buff,led.r1data,r1buffer,size);
left_shift_data(led.r2data_buff,led.r2data,r2buffer,size);
left_shift_data(led.g1data_buff,led.g1data,g1buffer,size);
left_shift_data(led.g2data_buff,led.g2data,g2buffer,size);
}
if(++size==12){
size = 0;
buffer_data_completed = 1;
}
else{
}
}
else if(led.status==RIGHT_MOVE){
if(led.colour==RED){
right_shift_data(led.r1data_buff,led.r1data,r1buffer,size);
right_shift_data(led.r2data_buff,led.r2data,r2buffer,size);
}
else if(led.colour==GREEN){
right_shift_data(led.g1data_buff,led.g1data,g1buffer,size);
right_shift_data(led.g2data_buff,led.g2data,g2buffer,size);
}
else if(led.colour==YELLOW){
right_shift_data(led.r1data_buff,led.r1data,r1buffer,size);
right_shift_data(led.r2data_buff,led.r2data,r2buffer,size);
right_shift_data(led.g1data_buff,led.g1data,g1buffer,size);
right_shift_data(led.g2data_buff,led.g2data,g2buffer,size);
}
if(++size==12){
size = 0;
buffer_data_completed = 1;
}
else{
}
}
}
///////////////////////////////////////////////////////////
}
}
}
void base_timer0_initial(void){
TCCR0A = 0x00;
TCCR0B = 0x00;
TCNT0 = 0x00;
TCCR0B = 3; //3= 64;4= 256;5= 1024;
}
void port_init(void){
DDRD |= (1<<A) | (1<<B) | (1<<C) | (1<<D) | (1<<RCK) | (1<<SCK) | (1<<OE);
DDRC |= (1<<G1DATA) | (1<<R1DATA) | (1<<G2DATA) | (1<<R2DATA);
}
void enable_display(void){
OE_LOW;
}
void disable_display(void){
OE_HIGH;
}
void row_scan(u8 disrow){
PORTD = ( (PORTC&0x0f) | row_scan_table[disrow] );
}
/***********************************************************************
测试发现hc595_data()函数在12MHZ晶振下,运行花费YELLOW:38uS;RED/GREEN:30.8uS.
***********************************************************************/
void hc595_data(u8 r1data,u8 r2data,u8 g1data,u8 g2data,u8 colour){
u8 i = 0;
switch(colour){
case RED:
//8位字节数据,先发最低位,最后发最高位
//for(i=0x01;i!=0;i=i<<1){
for(i=0x80;i!=0;i=i>>1){
if(r1data&i){
R1DATA_1;
}
else{
R1DATA_0;
}
if(r2data&i){
R2DATA_1;
}
else{
R2DATA_0;
}
G1DATA_1;
G2DATA_1;
SCK_LOW;
SCK_HIGH;
}
break;
case GREEN:
for(i=0x80;i!=0;i=i>>1){
if(g1data&i){
G1DATA_1;
}
else{
G1DATA_0;
}
if(g2data&i){
G2DATA_1;
}
else{
G2DATA_0;
}
R1DATA_1;
R2DATA_1;
SCK_LOW;
SCK_HIGH;
}
break;
case YELLOW:
for(i=0x80;i!=0;i=i>>1){
if(r1data&i){
R1DATA_1;
}
else{
R1DATA_0;
}
if(r2data&i){
R2DATA_1;
}
else{
R2DATA_0;
}
if(g1data&i){
G1DATA_1;
}
else{
G1DATA_0;
}
if(g2data&i){
G2DATA_1;
}
else{
G2DATA_0;
}
SCK_LOW;
SCK_HIGH;
}
break;
default:
break;
}
}
/***********************************************************************
测试发现left_shift_data()函数在12MHZ晶振下,运行花费2880uS.
***********************************************************************/
//适用16x16点阵显示的汉字
void left_shift_data(u8 *in_pointer,u8 *out_pointer,u8 *temp,u8 size){
unsigned int i = 0;
if(size==0){
for(i=0;i<16;i++){
temp = in_pointer[i*2];
out_pointer[i*2+size*32] = (in_pointer[i*2+size*32]<<1) | (in_pointer[(i*2+1)+size*32]>>7);
out_pointer[(i*2+1)+size*32] = (in_pointer[(i*2+1)+size*32]<<1) | (in_pointer[(i*2+32)+size*32]>>7);
}
}
else if(size>0 && size<11){
for(i=0;i<16;i++){
out_pointer[i*2+size*32] = (in_pointer[i*2+size*32]<<1) | (in_pointer[(i*2+1)+size*32]>>7);
out_pointer[(i*2+1)+size*32] = (in_pointer[(i*2+1)+size*32]<<1) | (in_pointer[(i*2+32)+size*32]>>7);
}
}
else if(size==11){
for(i=0;i<16;i++){
out_pointer[i*2+size*32] = (in_pointer[i*2+size*32]<<1) | (in_pointer[(i*2+1)+size*32]>>7);
out_pointer[(i*2+1)+size*32] = (in_pointer[(i*2+1)+size*32]<<1) | (temp>>7);
}
}
}
void right_shift_data(u8 *in_pointer,u8 *out_pointer,u8 *temp,u8 size){
unsigned int i = 0;
if(size==0){
for(i=0;i<16;i++){
out_pointer[(i*2+1)+size*32] = (in_pointer[(i*2+1)+size*32]>>1) | (in_pointer[(i*2)+size*32]<<7);
}
}
else if(size>0 && size<11){
for(i=0;i<16;i++){
out_pointer[(i*2)+size*32] = (in_pointer[(i*2)+size*32]>>1) | (in_pointer[(i*2+1)+size*32-32]<<7);
out_pointer[(i*2+1)+size*32] = (in_pointer[(i*2+1)+size*32]>>1) | (in_pointer[(i*2)+size*32]<<7);
}
}
else if(size==11){
for(i=0;i<16;i++){
temp = out_pointer[(i*2+1)+size*32];
}
for(i=0;i<16;i++){
out_pointer[(i*2)+size*32] = (in_pointer[(i*2)+size*32]>>1) | (in_pointer[(i*2+1)+size*32-32]<<7);
out_pointer[(i*2+1)+size*32] = (in_pointer[(i*2+1)+size*32]>>1) | (in_pointer[(i*2)+size*32]<<7);
out_pointer[(i*2)+0*32] = (in_pointer[(i*2)+0*32]>>1) | (temp<<7);
}
}
}
void eeprom_write(u16 address,u8 data)
{
/*wait for completion of previous write*/
while(EECR & (1<<EEWE));
/*set up address and data registers*/
EEAR = address;
EEDR = data;
/*write logical one to EEMWE*/
EECR |= (1<<EEMWE);
/*start eeprom write by setting EEWE*/
EECR |= (1<<EEWE);
}
u8 eeprom_read(u16 address)
{
/*wait for completion of pervious wirte*/
while(EECR & (1<<EEWE));
/*set up address register*/
EEAR = address;
/*start eeprom read by writing EERE*/
EECR |= (1<<EERE);
/*Return data from data register*/
return EEDR;
}
void led_parameter_initial(void){
u16 i = 0,temp = 0,j = 0;
led.dissize = eeprom_read(0x0001);
led.status = eeprom_read(0x0002);
led.colour = eeprom_read(0x0003);
temp = eeprom_read(0x0000);
if(temp==0){ //16X16字
for(i=0;i<BUFFER_SIZE*32;i++){ //上下屏加一起可以存储12*2=24个字
led.r1data = eeprom_read(i+10);
led.r1data_buff = led.r1data;
led.g1data = led.r1data;
led.g1data_buff = led.r1data;
led.r2data = eeprom_read(i+10+384);
led.r2data_buff = led.r2data;
led.g2data = led.r2data;
led.g2data_buff = led.r2data;
}
}
else if(temp==1){//32X32字
for(j=0;j<6;j++){ //32X32的字只能存6个
for(i=0;i<16;i++){
led.r1data[0+2*i+j*64] = eeprom_read(10+4*i+0+j*128);
led.r1data[1+2*i+j*64] = eeprom_read(10+4*i+1+j*128);
led.r1data[0+2*i+32+j*64] = eeprom_read(10+4*i+2+j*128);
led.r1data[1+2*i+32+j*64] = eeprom_read(10+4*i+3+j*128);
led.r2data[0+2*i+j*64] = eeprom_read(10+64+4*i+0+j*128);
led.r2data[1+2*i+j*64] = eeprom_read(10+64+4*i+1+j*128);
led.r2data[0+2*i+32+j*64] = eeprom_read(10+64+4*i+2+j*128);
led.r2data[1+2*i+32+j*64] = eeprom_read(10+64+4*i+3+j*128);
}
}
for(i=0;i<BUFFER_SIZE*32;i++){
led.r1data_buff = led.r1data;
led.g1data = led.r1data;
led.g1data_buff = led.r1data;
led.r2data_buff = led.r2data;
led.g2data = led.r2data;
led.g2data_buff = led.r2data;
}
}
}
void write_data_eeprom(void){
u16 i = 0;
eeprom_write(0x0000,0); //0代表16X16字,1代表32*32字
eeprom_write(0x0001,10); //显示屏宽度,5代表可以显示5个16X16的宽度,10代表可以显示10个16X16的宽度
eeprom_write(0x0002,1); //0 NO_MOVE;1 LEFT_MOVE;2 RIGHT_MOVE
eeprom_write(0x0003,0); //0 RED; 1 GREEN;2 YELLOW
for(i=0;i<BUFFER_SIZE*32*2;i++){ //存储时就按字顺序存，读取的时候要区分16X16还是32X32;
eeprom_write(i+10,dis16X16);
}
} |
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楼主: songta00728
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发表于 2012-4-4 01:20
