#第七届立创电赛#最丐68+4机械键盘PRO - 嘉立创EDA开源硬件平台

前言

1、项目功能介绍

2、项目属性

3、开源协议

4、硬件部分

5、软件部分

WS2812发送时序

//nop经过调教，优化等级为7，勿动
void ws2812_maintain()//T0中断中调用，若没有发送队列则退出
{
	const uchar idata decode[4]={0x88,0x8e,0xe8,0xee};
	uchar idata p[4];
	uchar dat;
	uchar temp;
	uchar i=0;
	if(LED_num>=LED_LEN)
		return;
	//提前从XDATA取出数据
	dat=dot_temp[LED_num][0];
	p[1]=dot_temp[LED_num][1];
	p[2]=dot_temp[LED_num][2];
	
	SPI0_DATA=0;
	SPI0_CTRL=bS0_MOSI_OE;//只使能MOSI
	_nop_();_nop_();_nop_();
	
	do{
		temp=decode[(dat>>6)&0x03];
		_nop_();_nop_();_nop_();
		_nop_();_nop_();_nop_();_nop_();
		SPI0_DATA=temp;
		
		temp=decode[(dat>>4)&0x03];
		_nop_();_nop_();
		_nop_();_nop_();_nop_();_nop_();
		_nop_();_nop_();_nop_();_nop_();
		_nop_();_nop_();_nop_();_nop_();
		SPI0_DATA=temp;
		
		temp=decode[(dat>>2)&0x03];
		i++;
		_nop_();_nop_();_nop_();_nop_();
		_nop_();_nop_();_nop_();_nop_();
		_nop_();_nop_();_nop_();_nop_();
		SPI0_DATA=temp;
		
		temp=decode[dat&0x03];
		dat=p[i];	
		_nop_();_nop_();
		_nop_();_nop_();_nop_();_nop_();
		_nop_();_nop_();_nop_();_nop_();
		SPI0_DATA=temp;
		
		if(i==3)
			break;
	}while(1);
	LED_num++;
	_nop_();_nop_();
	_nop_();_nop_();_nop_();_nop_();
	_nop_();_nop_();_nop_();_nop_();
	SPI0_CTRL=0;//关闭MOSI
}

C51位寻址

sbit K1=P3^2;
sbit K2=P1^4;
sbit K3=P1^6;
sbit K4=P1^7;
sbit K5=P3^1;
sbit K6=P3^0;
sbit K7=P1^1;
sbit K8=P3^3;
sbit K9=P3^4;

uchar bdata TEMP_Byte;//定义位寻址内存

sbit Bit0=TEMP_Byte^0;
sbit Bit1=TEMP_Byte^1;
sbit Bit2=TEMP_Byte^2;
sbit Bit3=TEMP_Byte^3;
sbit Bit4=TEMP_Byte^4;
sbit Bit5=TEMP_Byte^5;
sbit Bit6=TEMP_Byte^6;
sbit Bit7=TEMP_Byte^7;

uchar idata key_temp[9]={0};//按键映射，作消抖使用

void key_delay()//等待电平稳定再读取

{

nop();

nop();

}


void keybord_scanning()
{
	K1=0;//S1~
	key_delay();
	Bit0=K2;	Bit1=K3;	Bit2=K4;	Bit3=K5;
	Bit4=K6;	Bit5=K7;	Bit6=K8;	Bit7=K9;
	key_temp[0]=~TEMP_Byte;//电平逻辑取反 
	K1=1;
	key_delay();
	
	K2=0;//S9~
	key_delay();
	Bit0=K1;	Bit1=K3;	Bit2=K4;	Bit3=K5;
	Bit4=K6;	Bit5=K7;	Bit6=K8;	Bit7=K9;
	key_temp[1]=~TEMP_Byte; 
	K2=1;
	key_delay();
	
	K3=0;//S17~
	key_delay();
	Bit0=K1;	Bit1=K2;	Bit2=K4;	Bit3=K5;
	Bit4=K6;	Bit5=K7;	Bit6=K8;	Bit7=K9;
	key_temp[2]=~TEMP_Byte; 
	K3=1;
	key_delay();
	
	K4=0;//S25~
	key_delay();
	Bit0=K1;	Bit1=K2;	Bit2=K3;	Bit3=K5;
	Bit4=K6;	Bit5=K7;	Bit6=K8;	Bit7=K9;
	key_temp[3]=~TEMP_Byte; 
	K4=1;
	key_delay();
	
	K5=0;//S33~
	key_delay();
	Bit0=K1;	Bit1=K2;	Bit2=K3;	Bit3=K4;
	Bit4=K6;	Bit5=K7;	Bit6=K8;	Bit7=K9;
	key_temp[4]=~TEMP_Byte; 
	K5=1;
	key_delay();
	
	K6=0;//S41~
	key_delay();
	Bit0=K1;	Bit1=K2;	Bit2=K3;	Bit3=K4;
	Bit4=K5;	Bit5=K7;	Bit6=K8;	Bit7=K9;
	key_temp[5]=~TEMP_Byte; 
	K6=1;
	key_delay();
	
	K7=0;//S49~
	key_delay();
	Bit0=K1;	Bit1=K2;	Bit2=K3;	Bit3=K4;
	Bit4=K5;	Bit5=K6;	Bit6=K8;	Bit7=K9;
	key_temp[6]=~TEMP_Byte; 
	K7=1;
	key_delay();
	
	K8=0;//S57~
	key_delay();
	Bit0=K1;	Bit1=K2;	Bit2=K3;	Bit3=K4;
	Bit4=K5;	Bit5=K6;	Bit6=K7;	Bit7=K9;
	key_temp[7]=~TEMP_Byte; 
	K8=1;
	key_delay();

	K9=0;//S65~
	key_delay();
	Bit0=K1;	Bit1=K2;	Bit2=K3;	Bit3=K4;
	Bit4=K5;	Bit5=K6;	Bit6=K7;	Bit7=K8;
	key_temp[8]=~TEMP_Byte; 
	K9=1;
}

6、BOM清单

7、大赛LOGO验证

8、演示您的项目并录制成视频上传