LED.zip_154 595_595 154_atmega16 595

// M16+8M+ICCAVR7.22 // LED点阵屏控制板与LED 点阵屏接口定义 //PB口的01234顺序接138的A、B、C、OE1OE2 //PD口的012顺序接595的DS、lock,clk //字模:阴码,行列式,逆向,C51格式 #include <iom16v.h> #include <macros.h> #include "hanzi.h" #include "delay.c" const unsigned char sw[16] = {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07, 0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,}; //154的驱动代码，根据154的真值表计算而来。 extern const unsigned char hanzi[]; #define screen_size 1 #define hanzi_size_S 10 unsigned char BUFF1[(screen_size+1)*2]; //缓存 unsigned char disrow; //disrow 为16行变量 unsigned int light; //亮度，数字越大亮度越低 unsigned char shutdown; //关闭时间 signed char move; //移动位数(8bit) unsigned char speed; //sudu=0 unsigned char sudo = 15; extern unsigned int num_r; unsigned int zimo,f_left,f_right,f_up,f_down; unsigned char trg,release,cont; unsigned char move_flag = 0; void Left(const unsigned char *p,unsigned int f); //左移显示 void Up(const unsigned char *p,unsigned int f); //上移显示 void Right(const unsigned char *p,unsigned int f); //右移显示 void Down(const unsigned char *p,unsigned int f); //下移显示 #define DS_H() PORTD |= BIT(PD6) #define DS_L() PORTD &=~BIT(PD6) #define lock_H() PORTD |= BIT(PD5) #define lock_L() PORTD &=~BIT(PD5) #define clk_H() PORTD |= BIT(PD7) #define clk_L() PORTD &=~BIT(PD7) /******************************************* * 595发送一个字节数据 * ********************************************/ void send_byte(unsigned char byte) { unsigned char i; lock_L(); for (i = 0x01; i > 0; i = i<<1) //先发送低位,再发送高位 { if((byte&i) == 0) DS_L(); else DS_H(); clk_L(); clk_H(); } } /********************************************************* 函数名:void Move_L(const unsigned char *p,unsigned int f) 功能:缓存数据 左移 *********************************************************/ void Move_L(const unsigned char *p,unsigned int f) { signed char s; for(s=screen_size; s >= 0; s--) { BUFF1[2*s] = p[f + 32*s + disrow]; BUFF1[2*s+1] = p[f + 32*s + disrow + 16]; } } /********************************************************* 函数名:void Move_R(const unsigned char *p,unsigned int f) 功能:缓存数据 右移 *********************************************************/ void Move_R(const unsigned char *p,unsigned int f) { BUFF1[0] = p[f + disrow + 16]; BUFF1[1] = p[f + disrow ]; BUFF1[3] = p[f + disrow + 32]; BUFF1[2] = p[f + disrow + 48]; } /********************************************************* 函数名:void Move_U(const unsigned char *p,unsigned int f) 功能:缓存数据 上移 *********************************************************/ void Move_U(const unsigned char *p,unsigned int f) { if ((16 - move) > disrow) { BUFF1[1]=p[f + disrow + move]; BUFF1[2]=p[f + disrow + move + 16]; } else { BUFF1[1]=p[f + disrow + move + 16]; BUFF1[2]=p[f + disrow + move + 32]; } } /********************************************************* 函数名:void Move_D(const unsigned char *p,unsigned int f) 功能:缓存数据 下移 *********************************************************/ void Move_D(const unsigned char *p,unsigned int f) { if ( move <= disrow) { BUFF1[1]=p[f + disrow - move]; BUFF1[2]=p[f + disrow - move + 16]; } else { BUFF1[1]=p[f + disrow - move + 48]; BUFF1[2]=p[f + disrow - move + 64]; } } /********************************************************* 函数名:void Down(const unsigned char *p,unsigned int f) 功能: 下移 *********************************************************/ void Down(const unsigned char *p,unsigned int f) { signed char s; for(disrow = 0; disrow < 16; disrow++) { Move_D(p,f); // for(s = screen_size*2; s > 0; s--) //发送16字节数据 { send_byte(BUFF1[s]); //发送数据 } PORTB=0x10; //关闭显示 lock_H(); //锁存为高，595锁存信号 PORTB=sw[disrow ]; //输出行信号 delay_nus(light); //控制亮度,速度(反比关系)速度快了亮度低 } //for (disrow) if(speed++ >= sudo) //控制左移速度 { speed=0; if(move++ >= 16) { move = 0; //16列移位计数器清零 zimo = zimo+32; //取字模计数器加32，准备下一个字 if(zimo > (hanzi_size_S*32)) //字模是否到最后? zimo = 0; //从头在来 }//if (move) } //if (speed) } /********************************************************* 函数名:void Up(const unsigned char *p,unsigned int f) 功能: 上移 *********************************************************/ void Up(const unsigned char *p,unsigned int f) { signed char s; for(disrow = 0; disrow < 16; disrow++) { Move_U(p,f); for(s = screen_size*2; s > 0; s--) //发送16字节数据 { send_byte(BUFF1[s]); //发送数据 } PORTB=0x10; //关闭显示 lock_H(); //锁存为高，595锁存信号 PORTB=sw[disrow ]; //输出行信号 delay_nus(light); //控制亮度,速度(反比关系)速度快了亮度低 } //for (disrow) if(speed++ >= sudo) //控制左移速度 { speed=0; if(move++ >= 16) { move = 0; //16列移位计数器清零 zimo = zimo+32; //取字模计数器加32，准备下一个字 if(zimo > (hanzi_size_S*32)) //字模是否到最后? zimo = 0; //从头在来 }//if (move) } //if (speed) } /********************************************************* 函数名:void Right(const unsigned char *p,unsigned int f) 功能: 右移 *********************************************************/ void Right(const unsigned char *p,unsigned int f) { signed char s; unsigned char temp; for(disrow = 0; disrow < 16; disrow++) { Move_R(p,f); //取模 if (move < 8) //发送16字节数据 { temp=((BUFF1[0] << move)|(BUFF1[1] >> (8-move))); send_byte(temp); //发送数据 temp=((BUFF1[1] << move)|(BUFF1[2] >> (8-move))); send_byte(temp); } else { temp=((BUFF1[1] << (move - 8))|(BUFF1[2] >> (16 - move))); send_byte(temp); //发送数据 temp=((BUFF1[2] << (move - 8))|(BUFF1[3] >> (16 - move))); send_byte(temp); } PORTB = 0x10; //关闭显示 lock_H(); //锁存为高，595锁存信号 PORTB = sw[disrow]; //输出行信号 delay_nus(light); //控制亮度,速度(反比关系)速度快了亮度低 } if(speed++ >= sudo) //控制左移速度 { speed=0; if(move++ >= 15) { move = 0; //16列移位计数器清零 zimo = zimo+32; //取字模计数器加32，准备下一个字 if(zimo > (hanzi_size_S*32)) //字模是否到最后? zimo = 0; //从头在来 }//if (move) } //if (speed) } /********************************************************* 函数名:void Left(const unsigned char *p,unsigned int f) 功能: 左移 *********************************************************/ void Left(const unsigned char *p,unsigned int f) { signed char s; unsigned char temp; for(disrow = 0; disrow < 16; disrow++) { Move_L(p,f); // for(s=screen_size*2; s > 0; s--) //发送16字节数据 { temp=((BUFF1[s-1] >> move)|(BUFF1[s] << (8-move))); send_byte(temp); //发送数据 } PORTB = 0x10; //关闭显示 lock_H(); //锁存为高，595锁存信号 delay_nus(shutdown); PORTB = sw[disrow]; //输出行信号 delay_nus(light); //控制亮度,速度(反比关系)速度快了亮度低 }//for (disrow) if(speed++ >= sudo) //�