嵌入式系统（Embedded System），是一种嵌入机械或电气系统内部、具有专一功能和实时计算性能的计算机系统[1]。在以5G，物联网，边缘计算，为代表的新的计算浪潮下，掌握嵌入式系统的是成为全栈开发的必要条件，西浦国际创新港携手硬禾学堂，结合研发技术的行业需求和发展趋势，共同推出全栈技能人才培养计划。本报告为雪花灯实验报告，旨在学习嵌入式系统编程的基本开发流程，并且对于嵌入式系统模块和功能有进一步的认识[2]。今天正好是2020圣诞节，这个可爱的雪花灯实验报告，就圣诞礼物送给大家啦~
本报告首先介绍嵌入式系统的基本背景，并且把介绍嵌入式系统的系统架构和实践方法，进而，实验过程和对应的实验结果会呗阐明，最终实验总结和未来展望会被阐述作为报告结尾。
- MCU
- 是微处理器Microprocessor的缩写
- ELEC211要好好学哈，我们用的是ARM Cortex M7来讲的
- 常见的微处理器包括树莓派，Arduino
- 雪花灯：ws2812
- 本质上是一种灯的结构
雪花灯原理图
- WS2812, 这LED内部已经整合了信号处理的芯片
- 他有四个引脚，分别是
- VDD作为电源来实现供电管脚
- DOUT，作为data out 的缩写，作为数据输出的管脚来控制数据信号的输出
- VSS，作为Voltage Source Source的缩写，是Vdd反过来的兄弟，所以这个是地啦
- DIN，是data in 的缩写，作为数据输入的管脚，来控制数据信号的输入
- 具体的线路图在左边，供参考
- 单片机：stc15w204s
stc15w204s原理引脚图
- 51单片机，STC牛的！
- 我的理解这是一个深圳软件厂家STC做的非常硬核的，成本非常低，非常适合教学的芯片，我们就用这个了。
- nop()和33M时钟
- 一个nop就是一个指令周期， STC15W204S是1T单片机，所以就是一个机械周期就是一个时钟周期所以在33MHz的情况下，一个nop大概是31ns左右
- 这样20个nop就是610ns，PPT写的是680ns，可能是为了数字好听的工程考虑吧~
nop分析图表
- 这里有一个PPT，我其实并不知道如何调出这个窗口？
- 至于所谓的33MHz，我们可以通过这个下拉窗口来实现
stc时序设置模块
- 话说这个33MHz好像和nop有点关系，但我不知道是什么。
通用嵌入式系统与外界环境交互范式
- 我们的世界是模拟的世界，也就是连续的世界
- 这样我们从传感器把自然界的信号转换成电信号
- 之后我们通过放大，滤波，我们得到了对于我们有意义的信号
- 之后，我们通过多路转换，采样保持，做一些转换和convert
- 之后我们到了A2D的东西，这样我们生成了数字信号，输入到微信计算机的输入接口里面
- 之后计算机通过它的强大 的计算能力，产生了对应的输出信号
- 通过D2A
- 我们通过放大，驱动，我们到了机械臂，来做相对应的执行
- 改变这个连续的世界！
雪花灯控制系统
- 我们通过PC串口助手上把编好的程序以hex文件的形式
- 通过UART的传输协议
- 传送到MCU，也就是微处理器上面
- 微处理器通过程序来选择WS2812灯亮灭的方式
UART数据传输方式解释
我的理解这个数据他能同时有四个口传，总共有24bit的数据传输结构，长楼上这个样子。
点亮雪花板的状态和码的对应关系
说实话，这个板子插上去就亮了，我也不知道这个数据传输时间在这里是怎么体现的。。。
void UartInit(void) //9600bps@33MHz
{
SCON = 0x50;
AUXR |= 0x01;
AUXR |= 0x04;
T2L = 0xA5;
T2H = 0xFC;
AUXR |= 0x10;
ES=1;
EA=1;
}
初始化哈
- 好像要把这个寄存器取个值SCON=0x50;//0101 0000
- SM0=0 SM1=0
- SM0=0 SM1=1
- SM0=1 SM1=0
- SM0=1 SM1=1
UART传输协议代码块
我的理解是这个是一个实现UART接受数据的函数，总之UART用这个就对了。
实验仪器布局
通过stc的脚本调试工具导入hex文件
STC调试软件
在这里要设置灯是ws2812，单片机是stc15w204s，时钟选择33M
导入的hex文件见附录。
/*------------------------------------------------------------------------------------
* 项目名称:
带单片机8位全彩流水灯模板程序V1.0
* 功能描述:
* 配置说明:
- MCU ：STC15W204S
- CPU频率：30MHz
-------------------------------------------------------------------------------------*/
/**************************************包含头文件*************************************/
#include "STC15W.h"
#include "ws2812.h" //包含LED驱动程序
#include "delay.h" //包含延时程序
#include "uart.h"
/**************************************子函数声明*************************************/
void Flash_WS2812(unsigned char *p);//整体闪烁，传递颜色参数
void LED_Water(unsigned char *p);//由内而外流水点亮
void LED_Water_Color(unsigned char *p);//由内而外流水点亮，颜色变化
void LED_Single_Flower(void);//单圈单个灯绽放点亮
void Water_lamp(unsigned char *p);//按1-37顺序点亮
void DIY_SNOW(unsigned char *p);//由外向内，按照数组的颜色顺序显示，最多五个颜色
void Flower(void);
void Flower_In(void);//一圈圈逐步点亮
void Gradual_change(unsigned char *p);//渐变亮
void Breathing_WS2812(unsigned char level,unsigned char Color);//呼吸渐变，两个参数，第一个表示集中小颜色，第二个表示颜色
void WS2812_Close(void);
void WS2812_1_5Line(unsigned char *p,unsigned char line);//让其整圈一起点亮，传递两个参数，第一个参数为显示颜色，第二个参数是让第几圈点亮,圈数1-5
void WS2812_1_5Line_In(unsigned char *p,unsigned char line);//让其整圈一起点亮，内圈颜色保持不变，传递两个参数，第一个参数为显示颜色，第二个参数是让第几圈点亮,圈数1-5
void WS2812_1_5Line_Single(unsigned char *p,unsigned char line);//让对应圈的灯流水点亮，传递两个参数，第一个参数为显示颜色，第二个参数是让第几圈点亮,圈数1-5
void WS2812_LineIn_Single(unsigned char *p,unsigned char line);//对应圈数最外层流水，里面全部点亮。传递两个参数，第一个参数为显示颜色，第二个参数是让第几圈点亮,圈数2-5
void Change_Color(unsigned char *p);
void sovle(unsigned char m);
/***************************************全局变量**************************************/
unsigned char green[3]={50,0,0};//绿，红，蓝
unsigned char red[3]={0,50,0};//红
unsigned char blue[3]={0,0,50};//蓝
unsigned char white[3]={25,25,25};//白
unsigned char org[3]={5,80,0};//橘
unsigned char close[3]={0,0,0};
unsigned char color[7][3]={{0,50,0},{25,255,0},{100,255,0},{50,0,0},{0,0,50},{0,230,230},{50,50,50}};//红，橙，黄，绿，蓝，紫,白
xdata unsigned char buffer[64];
unsigned char buf_data=0x00;
// unsigned char dis_count=0;
/***************************************主程序****************************************/
void main()
{
DelayMs(1000); //上电延时
UartInit();
UART1_SendString("STC15W204S\r\nUart is ok !\r\n");//发送字符串检测是否初始化成功
DelayMs(1000);
ResetDataFlow();
WS2812_Close();
//主循环
while(1)
{
// UART1_SendData(buf_data);
sovle(buf_data);
// Flash_WS2812(white);
}
}
//-------------------------------------------------------------------------------
//子程序名称:sovle(unsigned char m)
//功能：根据串口接收的数据，选择处理
//参数：选择参数
//说明：
//-------------------------------------------------------------------------------
void sovle(unsigned char m)
{
switch(m)
{
case 0x00:
DIY_SNOW(color);
Delay100Ms(50);
WS2812_Close();
Water_lamp(white);
ResetDataFlow();
Flash_WS2812(white);
ResetDataFlow();
WS2812_Close();
Delay100Ms(5);
LED_Water_Color(color);
WS2812_Close();
Delay100Ms(5);
break;
case 0x01:
WS2812_Close();
DIY_SNOW(color);
break;
case 0x02:
WS2812_Close();
Flower_In();
break;
case 0x03:
WS2812_Close();
Breathing_WS2812(0,Red);
Breathing_WS2812(1,Red);
Breathing_WS2812(1,Green);
Breathing_WS2812(1,Blue);
break;
case 0x04:
WS2812_Close();
Gradual_change(org);
break;
case 0x05:
WS2812_Close();
LED_Single_Flower();
break;
case 0x06:
WS2812_Close();
Change_Color(red);
break;
case 0x07:
WS2812_Close();
LED_Water_Color(color);
break;
case 0x08:
WS2812_Close();
Flash_WS2812(white);
break;
case 0x09:
WS2812_Close();
break;
}
}
//-------------------------------------------------------------------------------
//子程序名称:WS2812_Close(void)
//功能：将37个灯全部熄灭
//参数：无
//说明：
//-------------------------------------------------------------------------------
void WS2812_Close(void)
{
unsigned char count_sum;
for(count_sum=0;count_sum<37;count_sum++)
{
SendOnePix(close);
}
ResetDataFlow();
}
//-------------------------------------------------------------------------------
//子程序名称:WS2812_1_5Line(unsigned char *p,unsigned char line)
//功能：让其整圈一起点亮，传递两个参数，第一个参数为显示颜色，第二个参数是让第几圈点亮,圈数1-5
//参数：指针参数是颜色的数组，line参数为第几圈（1-5）
//说明：
//-------------------------------------------------------------------------------
void WS2812_1_5Line(unsigned char *p,unsigned char line)
{
unsigned char count_sum;
unsigned char m=1;
switch(line)
{
case 1:
for(count_sum=0;count_sum<=36;count_sum++)//36个灯循环
{
if(count_sum==36)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 2:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
if(count_sum%6==0)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 3:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
if(count_sum%6==1)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 4:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
if(count_sum%6==2)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 5:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
if(count_sum==3*m)
{
SendOnePix(p);
}
else if(count_sum==(3*m)+1)
{
SendOnePix(p);
}
else if(count_sum==(3*m)+2)
{
SendOnePix(p);
m+=2;
}
else
SendOnePix(close);
}
m=1;
ResetDataFlow();
break;
}
}
//-------------------------------------------------------------------------------
//子程序名称:WS2812_1_5Line_In(unsigned char *p,unsigned char line)
//功能：让其整圈一起点亮，内圈颜色保持不变
//参数：指针参数是颜色的二维数组，line参数为第几圈（1-5）
//说明：
//-------------------------------------------------------------------------------
void WS2812_1_5Line_In(unsigned char *p,unsigned char line)
{
unsigned char count_sum;
unsigned char m=1;
unsigned char k=0;
switch(line)
{
case 1:
for(count_sum=0;count_sum<=36;count_sum++)//36个灯循环
{
if(count_sum==36)
{
SendOnePix(&p[(3*k)]);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 2:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
k=1;
if(count_sum%6==0)
{
SendOnePix(&p[(3*k)]);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 3:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
if(count_sum%6==1)
{
k=2;
SendOnePix(&p[(3*k)]);
}
else if(count_sum%6==0)
{
k=1;
SendOnePix(&p[(3*k)]);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 4:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
if(count_sum%6==2)
{
k=3;
SendOnePix(&p[(3*k)]);
}
else if(count_sum%6==1)
{
k=2;
SendOnePix(&p[(3*k)]);
}
else if(count_sum%6==0)
{
k=1;
SendOnePix(&p[(3*k)]);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 5:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
if(count_sum==3*m)
{
k=4;
SendOnePix(&p[(3*k)]);
}
else if(count_sum==(3*m)+1)
{
k=5;
SendOnePix(&p[(3*k)]);
}
else if(count_sum==(3*m)+2)
{
k=6;
SendOnePix(&p[(3*k)]);
m+=2;
}
else if(count_sum%6==2)
{
k=3;
SendOnePix(&p[(3*k)]);
}
else if(count_sum%6==1)
{
k=2;
SendOnePix(&p[(3*k)]);
}
else if(count_sum%6==0)
{
k=1;
SendOnePix(&p[(3*k)]);
}
else
SendOnePix(close);
}
m=1;
ResetDataFlow();
break;
}
}
//-------------------------------------------------------------------------------
//子程序名称:WS2812_1_5Line_Single(unsigned char *p,unsigned char line)
//功能：让对应圈的灯流水点亮，传递两个参数
//参数：指针参数是颜色的二维数组，line参数为第几圈（1-5）
//说明：
//-------------------------------------------------------------------------------
void WS2812_1_5Line_Single(unsigned char *p,unsigned char line)//让对应圈的灯流水点亮，传递两个参数，第一个参数为显示颜色，第二个参数是让第几圈点亮,圈数1-5
{
unsigned char count_sum;
unsigned char count=0;
unsigned char m=1;
switch(line)
{
case 1:
for(count_sum=0;count_sum<37;count_sum++)
{
if(count_sum==36)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
Delay100Ms(2);
ResetDataFlow();
break;
case 2:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
for(count=0;count<=count_sum;count++)//在count_sum个灯内，保证亮几个
{
if(count%6==0)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
DelayMs(10);
}
ResetDataFlow();
break;
case 3:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
for(count=0;count<=count_sum;count++)//在count_sum个灯内，保证亮几个
{
if(count%6==1)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
DelayMs(10);
}
ResetDataFlow();
break;
case 4:
for(count_sum=0;count_sum<36;count_sum++)//36个灯循环
{
for(count=0;count<=count_sum;count++)//在count_sum个灯内，保证亮几个
{
if(count%6==2)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
DelayMs(10);
}
ResetDataFlow();
break;
case 5:
for(count_sum=0;count_sum<36;count_sum++)
{
for(count=0;count<=count_sum;count++)
{
if(count==3*m)
{
SendOnePix(p);
}
else if(count==(3*m)+1)
{
SendOnePix(p);
}
else if(count==(3*m)+2)
{
SendOnePix(p);
m+=2;
}
else
SendOnePix(close);
}
ResetDataFlow();
Delay100Ms(1);
m=1;
}
ResetDataFlow();
}
}
//-------------------------------------------------------------------------------
//子程序名称:WS2812_LineIn_Single(unsigned char *p,unsigned char line)
//功能：让对应圈的灯流水点亮，内圈不灭，传递两个参数
//参数：指针参数是颜色的数组，line参数为第几圈（2-5）
//说明：
//-------------------------------------------------------------------------------
void WS2812_LineIn_Single(unsigned char *p,unsigned char line)
{
unsigned char count;
unsigned char count_sum;
unsigned char m=1;
switch(line)
{
case 2:
for(count_sum=0;count_sum<37;count_sum++)
{
for(count=0;count<=count_sum;count++)
{
if(count%6==0)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
DelayMs(20);
}
ResetDataFlow();
break;
case 3:
for(count_sum=0;count_sum<36;count_sum++)
{
for(count=0;count<=count_sum;count++)
{
if(count%6==1)
{
SendOnePix(p);
}
else if(count%6==0)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
// ResetDataFlow();
DelayMs(20);
}
ResetDataFlow();
break;
case 4:
for(count_sum=0;count_sum<36;count_sum++)
{
for(count=0;count<=count_sum;count++)
{
if(count%6==2)
{
SendOnePix(p);
}
else if(count%6==1)
{
SendOnePix(p);
}
else if(count%6==0)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
// ResetDataFlow();
DelayMs(20);
}
ResetDataFlow();
break;
case 5:
for(count_sum=0;count_sum<36;count_sum++)
{
for(count=0;count<=count_sum;count++)
{
if(count==3*m)
{
SendOnePix(p);
// m+=2;
}
else if(count==(3*m)+1)
{
SendOnePix(p);
}
else if(count==(3*m)+2)
{
SendOnePix(p);
m+=2;
}
else if(count%6==2)
{
SendOnePix(p);
}
else if(count%6==1)
{
SendOnePix(p);
}
else if(count%6==0)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
DelayMs(70);
m=1;
}
ResetDataFlow();
break;
}
}
//-------------------------------------------------------------------------------
//子程序名称:LED_Water(unsigned char *p)
//功能：由内而外流水点亮
//参数：指针参数是颜色的数组
//说明：
//-------------------------------------------------------------------------------
void LED_Water(unsigned char *p)//由内而外流水点亮
{
WS2812_1_5Line_Single(p,1);//37点不给新的数据，所以一直保持之前的状态
WS2812_1_5Line_Single(p,2);
// LED_3count(p);
// LED_4count(p);
// LED_5count(p);
WS2812_LineIn_Single(p,3);
WS2812_LineIn_Single(p,4);
WS2812_LineIn_Single(p,5);
}
//-------------------------------------------------------------------------------
//子程序名称:LED_Water(unsigned char *p)
//功能：由内而外流水点亮
//参数：指针参数是多个颜色的二维数组
//说明：
//-------------------------------------------------------------------------------
void LED_Water_Color(unsigned char *p)//由内而外流水点亮，颜色变换
{
unsigned char k=0;
for(k=0;k<7;k++)
{
LED_Water(&p[(3*k)]);
}
}
//-------------------------------------------------------------------------------
//子程序名称:LED_Single_Flower(void)
//功能：单圈单个灯绽放点亮
//参数：无
//说明：
//-------------------------------------------------------------------------------
void LED_Single_Flower(void)//单圈单个灯绽放点亮
{
WS2812_1_5Line_Single(green,1);
DelayMs(50);
WS2812_Close();
// LED_2_Single(c);
WS2812_1_5Line_Single(red,2);
DelayMs(50);
// LED_3_Single(b);
WS2812_1_5Line_Single(blue,3);
DelayMs(50);
// LED_4_Single(a);
WS2812_1_5Line_Single(org,4);
DelayMs(50);
// LED_5_Single(d);
WS2812_1_5Line_Single(white,5);
DelayMs(20);
WS2812_Close();
}
//-------------------------------------------------------------------------------
//子程序名称:Flash_WS2812(unsigned char *p)
//功能：整体闪烁
//参数：指针参数是颜色的数组
//说明：
//-------------------------------------------------------------------------------
void Flash_WS2812(unsigned char *p)
{
unsigned char count;
WS2812_Close();
ResetDataFlow();
Delay100Ms(5);
for(count=0;count<37;count++)
{
SendOnePix(p);
}
Delay100Ms(5);
}
//-------------------------------------------------------------------------------
//子程序名称:DIY_SNOW(unsigned char *p)
//功能：由外向内，按照数组的颜色顺序显示，最多五个颜色
//参数：指针参数是多个颜色的二维数组
//说明：
//-------------------------------------------------------------------------------
void DIY_SNOW(unsigned char *p)//由外向内，按照数组的颜色顺序显示，最多五个颜色
{
unsigned char count;
unsigned char m=1;
unsigned char k=0;
for(count=0;count<36;count++)
{
if(count==3*m)
{
SendOnePix(&p[(3*k)]);
}
else if(count==(3*m)+1)
{
SendOnePix(&p[(3*k)]);
}
else if(count==(3*m)+2)
{
SendOnePix(&p[(3*k)]);
m+=2;
}
else if(count%6==2)
{
k=1;
SendOnePix(&p[(3*k)]);
}
else if(count%6==1)
{
k=2;
SendOnePix(&p[(3*k)]);
}
else if(count%6==0)
{
k=3;
SendOnePix(&p[(3*k)]);
}
}
if(count==36)
{
k=4;
SendOnePix(&p[(3*k)]);
}
m=1;
ResetDataFlow();
}
//-------------------------------------------------------------------------------
//子程序名称:Water_lamp(unsigned char *p)
//功能：按1-37顺序点亮
//参数：指针参数是颜色的数组
//说明：
//-------------------------------------------------------------------------------
void Water_lamp(unsigned char *p)//按1-37顺序点亮
{
unsigned char count;
unsigned char count_sum;
for(count_sum=0;count_sum<37;count_sum++)
{
for(count=0;count<=count_sum;count++)
{
SendOnePix(p);
}
ResetDataFlow();
DelayMs(50);
}
ResetDataFlow();
}
void Flower(void)
{
WS2812_1_5Line(green,1);
Delay100Ms(5);
WS2812_1_5Line(green,1);
WS2812_1_5Line(red,2);
Delay100Ms(5);
WS2812_1_5Line(green,1);
WS2812_1_5Line(red,2);
WS2812_1_5Line(blue,3);
Delay100Ms(5);
WS2812_1_5Line(green,1);
WS2812_1_5Line(red,2);
WS2812_1_5Line(blue,3);
WS2812_1_5Line(white,4);
Delay100Ms(5);
WS2812_1_5Line(green,1);
WS2812_1_5Line(red,2);
WS2812_1_5Line(blue,3);
WS2812_1_5Line(white,4);
WS2812_1_5Line(org,5);
Delay100Ms(5);
}
//-------------------------------------------------------------------------------
//子程序名称:Flower_In(void)
//功能：一圈圈整体点亮，内部颜色不变
//参数：无
//说明：
//-------------------------------------------------------------------------------
void Flower_In(void)
{
WS2812_1_5Line_In(color,1);
Delay100Ms(5);
WS2812_1_5Line_In(color,2);
Delay100Ms(5);
WS2812_1_5Line_In(color,3);
Delay100Ms(5);
WS2812_1_5Line_In(color,4);
Delay100Ms(5);
WS2812_1_5Line_In(color,5);
Delay100Ms(5);
}
//-------------------------------------------------------------------------------
//子程序名称:Gradual_change(unsigned char *p)
//功能：渐变亮
//参数：指针参数是颜色的数组
//说明：
//-------------------------------------------------------------------------------
void Gradual_change(unsigned char *p)
{
unsigned char i,j,count;
unsigned char x[3];
for(j=0;j<3;j++)
{
x[j]=p[j];
}
// for(i=0;i<50;i++)
// {
// for(j=0;j<3;j++)
// {
// x[j]++;
// }
for(count=0;count<37;count++)
{
for(j=0;j<3;j++)
{
x[j]++;
}
SendOnePix(x);
}
ResetDataFlow();
}
//-------------------------------------------------------------------------------
//子程序名称:Breathing_WS2812(unsigned char level,unsigned char Color)
//功能：渐变亮
//参数：level表示一个颜色0即为白色，1时，由Color参数决定为R，G，B中的哪个颜色渐变
//说明：
//-------------------------------------------------------------------------------
void Breathing_WS2812(unsigned char level,unsigned char Color)//呼吸渐变，两个参数，第一个表示集中小颜色，第二个表示颜色
{
unsigned char i,j,count;
unsigned char x[3]={0,0,0};
switch(level)
{
case 0:
for(i=0;i<50;i++)
{
for(j=0;j<3;j++)
{
x[j]++;
}
for(count=0;count<37;count++)
{
SendOnePix(x);
}
Delay100Ms(1);
}
break;
case 1:
for(i=0;i<50;i++)
{
for(j=0;j<3;j++)
{
switch(Color)
{
case Green:
x[0]++;
break;
case Red:
x[1]++;
break;
case Blue:
x[2]++;
break;
}
}
for(count=0;count<37;count++)
{
SendOnePix(x);
}
Delay100Ms(1);
}
break;
}
}
//-------------------------------------------------------------------------------
//子程序名称:Change_Color(unsigned char *p)
//功能：37个灯一起变色亮
//参数：指针参数是多个颜色的二维数组
//说明：
//-------------------------------------------------------------------------------
void Change_Color(unsigned char *p)
{
unsigned char count,k;
for(k=0;k<8;k++)
{
for(count=0;count<37;count++)
{
SendOnePix(&p[(3*k)]);
}
ResetDataFlow();
Delay100Ms(5);
WS2812_Close();
}
}
//-------------------------------------------------------------------------------
//子程序名称:uart_sever()
//功能：串口中断服务函数，接收数据
//参数：
//说明：
//-------------------------------------------------------------------------------
void uart_sever() interrupt 4
{
static unsigned int data_temp=0;
if(RI==1)//数据接收完毕
{
RI=0;
buf_data=SBUF;
buffer[data_temp]=buf_data;
data_temp++;
UART1_SendData(buf_data);
if(buf_data==0x0D)
{
data_temp=0;
}
}
}
/************************结束*******************************************************/
导入试验代码1 [3].
#include "STC15W.h"
#include "ws2812.h"
#include "delay.h"
#include "uart.h"
void WS2812_Close(void);
void WS2812_1_5Line(unsigned char *p,unsigned char line);
void mine(unsigned char n,unsigned char m);
unsigned char blue_a[3]={5,5,10};
unsigned char blue_b[3]={5,5,15}
unsigned char blue_c[3]={5,5,20};
unsigned char blue_d[3]={5,5,25};
unsigned char close[3]={0,0,0};
xdata unsigned char buffer[64];
unsigned char buf_data=0x00;
unsigned char m=0x01;
void main()
{
DelayMs(1000);
UartInit();
UART1_SendString("STC15W204S\r\nUart is ok !\r\n");
DelayMs(1000);
ResetDataFlow();
WS2812_Close();
while(1)
{
mine(buf_data,m);
}
}
void mine(unsigned char n,unsigned char m)
{
switch(n)
{
case 0x00:
if (m)
{
WS2812_1_5Line(blue_a,1);
Delay100Ms(5);
WS2812_Close();
WS2812_1_5Line(blue_b,2);
Delay100Ms(5);
WS2812_1_5Line(blue_c,3);
Delay100Ms(5);
WS2812_1_5Line(blue_d,4);
Delay100Ms(5);
WS2812_1_5Line(blue_e,5);
Delay100Ms(5);
}
void WS2812_Close(void)
{
unsigned char count_sum;
for(count_sum=0;count_sum<37;count_sum++)
{
SendOnePix(close);
}
ResetDataFlow();
}
void WS2812_1_5Line(unsigned char *p,unsigned char line)
{
unsigned char count_sum;
unsigned char m=1;
switch(line)
{
case 1:
for(count_sum=0;count_sum<=36;count_sum++)
{
if(count_sum==36)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 2:
for(count_sum=0;count_sum<36;count_sum++)
{
if(count_sum%6==0)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 3:
for(count_sum=0;count_sum<36;count_sum++)
{
if(count_sum%6==1)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 4:
for(count_sum=0;count_sum<36;count_sum++)//36¸öµÆÑ»·
{
if(count_sum%6==2)
{
SendOnePix(p);
}
else
SendOnePix(close);
}
ResetDataFlow();
break;
case 5:
for(count_sum=0;count_sum<36;count_sum++)//36¸öµÆÑ»·
{
if(count_sum==3*m)
{
SendOnePix(p);
}
else if(count_sum==(3*m)+1)
{
SendOnePix(p);
}
else if(count_sum==(3*m)+2)
{
SendOnePix(p);
m+=2;
}
else
SendOnePix(close);
}
m=1;
ResetDataFlow();
break;
}
}
明天十点后
明天十点后
明天十点后
人在做事情的时候，要问自己，自己有什么，想要做什么，这个目标的达成需要几个步骤？我能实现其中的几个步骤，这些作为一个迭代，我们再去准备下一个迭代。在这个实验中，我要承认我有几个地方做的不够好，列表如下
- 没有上上机实操的课程
- 在12月23日的课程上和同学快速把这个软件进行调试和组装，而把时间放在了概念理解上面(本可以更快的结束这个过程)
- 没有很早的认识到，我们的目标是尽快的把我们能够做到的东西，先做好，之后，再去寻找其他的帮助，来实现下一个level的跨越！强调一下，把自己能够做好的事情做好，作为基础，然后进一步做下一个level的事情。
- 调试更多的程序，点亮更多的灯
- STC的51的灯和stm32的灯的区别
- keil4和keil5的区别大么？
- 如何使用单片机做到几百ns的延时？
- SCON是干什么的？
- 我们要哪一种工作方式？
SCON寄存器信息
- PCON是做什么的？
- 这两个程序分别在哪里写？
UART初始化和通信信息
- 所有的UART的协议的波特率都是一样的么？
- 这个页面的配置是对的么？
Keil4编译配置1
- 这个页面的配置是对的么？
Keil编译配置2
- 如果对的话，咋点了没有反应？
- 把我的报告发给老师
- 明天上午十点和老师约一下这个自定义程序和接口的实现
[2]https://www.eet-china.com/mp/a32983.html
[3]https://www.eetree.cn/project/detail/40
感谢苏老师！
感谢苏老师！
LED原理图
控制电路原理
模块关系图
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