_SKU_DFR0202_8*8_LED_RGB_Matrix - jimaobian/DFRobotWikiCn GitHub Wiki

rgb_matrix M = rgb_matrix(1,2,11,13,8); //x方向一个子板，y方向2个子版级联，使用硬件spi，latch使用数字8口

M.put_char(0,0,’B’,NO_ROT,MULTIPLY,RED+GREEN); //在（0,0）出不翻转使用红+绿色显示B，如果这个位置上原来有数据，那么和原有数据叠�

M.put_char(0,0,’B’,ANTI_90,COVER,RED,TOP_LAYER);  //在顶层（0,0）处逆时针翻转90度，使用红色显示字符B，如果这个位置上有数据，那么将其覆盖。

M.plot(1,2)  //顶层（1,2）这个点用红色点亮

M.plot(0,0,5,7,NO_ADD_DOT);   //将顶层(0,0)至(5,7)点，用红色直线连接起来，不补全不连续点

uint16_t y[]={0,2,5,7,4,2,5,1};
M.plot(0,7,y,ADD_DOT);  //在顶层用红色绘制函数图象，图象上点的坐标为(x,y[x]),x范围从0到7，不连贯处用点补齐,

M.plot(1,5,BLUE,TOP_LAYER+1); //在图层1上（1,5）处用蓝色画点

M.plot(0,0,5,5,NO_ADD_DOT,GREEN,TOP_LAYER); //在图层1上，从点(0,0)到(5,5)画一条绿色线，不连续点不用补齐。

uint16_t y[]={0,2,5,7,4,2,5,1};
M.plot(0,7,y,ADD_DOT,GREEN,TOP_LAYER);  //在顶层用绿色绘制函数图象，图象上点的坐标为(x,y[x]),x范围从0到7，不连贯处用点补齐,

M.add_layer();  //增加新图层，从heap中分配缓存空间。空间不足则返回-1

static uint8_t   data_buf[N_X*N_Y*8*3]={0};
M.add_layer(data_buf);   //增加新图层，使用data段的data_buf作为图层缓存

M.remove_layer();    //移除最后一个图层，顶层进制移除

M.remove_layer(TOP_LAYER+1);   //移除图层1

M.set_cur(0,8);  //将光标设置到（0,8）处，主要用于print函数

M.set_cur(NO_ROT);    //将光标设置到不翻转显示时的初始位置

M.set_cur(0,0);
M.print(3561,NO_ROT);  //在顶层（0,0）处开始用红色显示3561，不翻转显示

M.set_cur(NO_ROT);
M.print(“Hello Matrix”,NO_ROT);  //在顶层左上角开始用红色打印字符串Hello Matrix。不翻转显示。

//纵向取模，高位在上。先左后右，先上后下。
const char pic[] =
{
      0x02,0x04,0x1F,0xE0,0x02,0x04,0x18,0xF0,
      0x10,0x13,0x10,0x10,0x14,0x18,0x00,0x00,
      0x00,0x00,0xFF,0x00,0x00,0x10,0x20,0xC2,
      0x01,0xFE,0x00,0x80,0x60,0x30,0x00,0x00
};

M.put_pic(0,0,16,16,pic,COVER,GREEN,TOP_LAYER);  //在顶层用绿色显示一个16X16图片，如果这个位置原来有数据，那么覆盖它。

const char ni[] =
{
      0x02,0x04,0x1F,0xE0,0x02,0x04,0x18,0xF0,
      0x10,0x13,0x10,0x10,0x14,0x18,0x00,0x00,
      0x00,0x00,0xFF,0x00,0x00,0x10,0x20,0xC2,
      0x01,0xFE,0x00,0x80,0x60,0x30,0x00,0x00
};

M.put_HZ(0,0,ni,COVER,GREEN,TOP_LAYER);  //在顶层(0,0)处用绿色显示汉字”你”，如果这个位置原来有数据，那么覆盖它。

const char ni[] =
{
      0x02,0x04,0x1F,0xE0,0x02,0x04,0x18,0xF0,
      0x10,0x13,0x10,0x10,0x14,0x18,0x00,0x00,
      0x00,0x00,0xFF,0x00,0x00,0x10,0x20,0xC2,
      0x01,0xFE,0x00,0x80,0x60,0x30,0x00,0x00
};

M.put_HZ(0,0,ni,COVER,GREEN,TOP_LAYER);  //在顶层(0,0)处用红色显示汉字”你”

M.set_cur(0,0);
M.print(2356,NO_ROT,COVER,GREEN,TOP_LAYER);  //在顶层（0,0）处开始用绿色显示2356，不翻转显示，如果这个位置有数据，那么覆盖它

M.set_cur(NO_ROT);
M.print(“Hello Matrix”,NO_ROT,COVER,GREEN,TOP_LAYER);  //在顶层左上角开始用绿色打印字符串Hello Matrix。不翻转显示。

M.rainbow(TOP_LAYER);   //顶层显示彩虹

M.clear(2,3,6,6,TOP_LAYER);    //清除顶层(2,3) (6,6)为对角顶点的矩形区域的所有数据

M.move(RIGHT,1,TOP_LAYER);  //顶层向右平移一位

plot                AT命令下不支持显示函数图象
clear               AT命令下支持clear的所有重载格式
print               AT命令下不支持字符串打印
put_char            AT命令下支持put_char的所有重载格式
add_layer           AT命令下不支持buf定义在bss和data段
remove_layer        AT命令下支持remove_layer的所有重载格式
move                AT命令下支持图层上下左右平移任意单位
set_cur             AT命令下支持set_cur的所有重载格式

void loop()
{
    M.rainbow(TOP_LAYER);
    M.display(hook);
}

/*****************************************************************************
* Copyright:    ChengDu Geeker Tech. Co., Ltd. (DFRobot)
* File name:      hello_matrix.pde
* Description:    test the function of rgb matrix
* Author:       wanghui_CD
* Version:      V1.0
* Date:         2012.06.21
* History:      none
*****************************************************************************/
#include <rgb_matrix.h>
#include <SPI.h>

unsigned long time=0;
unsigned int tick_100ms = 0;
unsigned char counter=0;

#define N_X 1
#define N_Y 1

/*
//Interface shield ShiftOut connector
#define DATA_PIN  9
#define CLK_PIN   3
*/
//Hardware SPI
#define DATA_PIN  11
#define CLK_PIN   13

#define LATCH_PIN 8

rgb_matrix M = rgb_matrix(N_X, N_Y, DATA_PIN, CLK_PIN, LATCH_PIN);

unsigned char cmd[50]={0},cmd_num=0;
unsigned char tmp =  'A';
unsigned char st=0;

void setup()
{
       Serial.begin(115200);
       delay(200);
}

/*************************************************************************
*  Description:
*                         display callback function
*        Receive AT comand via serial,and then run the right comand.
*        This function can be run in sweep interval.
*        Reduce delay time at function tail if screen blink.
*        Increase delay time at function tail if screen shows a double image.
* Param:   none
* Retval:  none
**************************************************************************/
void hook(void)
{
    int i = 0;
    unsigned long enter_time,exit_time;
    enter_time = micros();
    if((++counter)%10 == 0)
    {
        if(millis() - time >= 100)
        {
            time = millis();
            tick_100ms ++;
            M.move(UP,1,0);
            if(tick_100ms%2 == 0)
            {
            }
            if(tick_100ms%5 == 0)
            {
                M.clear();
                M.put_char(0,0,tmp+(st++)%26,1,MULTIPLY,RED << (st%3),TOP_LAYER);
            }
            if(tick_100ms%10 == 0)
            {
            }
            if(tick_100ms%20 == 0)
            {
            }
            if(tick_100ms%50 == 0)
            {
            }
        }
    }
    if(Serial.available())
    {
        cmd[cmd_num++] = Serial.read();
        if((cmd_num>=2) && (cmd[cmd_num-1] == 0x0a) && (cmd[cmd_num-2] == 0x0d))
        {
            M.at_cmd(cmd);
            cmd_num = 0;
        }
     }
     exit_time = micros();
     if(enter_time < exit_time)
     {
       if(exit_time - enter_time < 500)
       {
         delayMicroseconds(500 - (exit_time-enter_time));
       }
     }
}

/*************************************************************************************
*  Description:
*                         loop function
*        Display function must be called.
*        If you wanna do something after display be called,
*    you should give display function a parameter which is a pointer to a function.
* Param:   none
* Retval:  none
**************************************************************************************/
void loop()
{
    M.set_cur(0,0);
    M.display(hook);
}

/*****************************************************************************
* Copyright:  ChengDu Geeker Tech. Co., Ltd. (DFRobot)
* File name:      hello_matrix.pde
* Description:    test the function of rgb matrix
* Author:       wanghui_CD
* Version:      V1.0
* Date:         2012.06.21
* History:      none
*****************************************************************************/
#include <rgb_matrix.h>
#include <SPI.h>

unsigned long time=0;
unsigned int tick_100ms = 0;
unsigned char counter=0;

#define N_X 2
#define N_Y 2

/*
//Interface shield ShiftOut connector
#define DATA_PIN  9
#define CLK_PIN   3
*/
//Hardware SPI
#define DATA_PIN  11
#define CLK_PIN   13

#define LATCH_PIN 8

rgb_matrix M = rgb_matrix(N_X, N_Y, DATA_PIN, CLK_PIN, LATCH_PIN);

unsigned char cmd[50]={0},cmd_num=0;

void setup()
{
       Serial.begin(115200);
       delay(200);
}

/*************************************************************************
*  Description:
*                         display callback function
*        Receive AT comand via serial,and then run the right comand.
*        This function can be run in sweep interval.
*        Reduce delay time at function tail if screen blink.
*        Increase delay time at function tail if screen shows a double image.
* Param:   none
* Retval:  none
**************************************************************************/
void hook(void)
{
    int i = 0;
    if((++counter)%5 == 0)    //如果100ms时钟不准，5这个值是可以微调的
    {
        if(millis() - time >= 100)
        {
            time = millis();
            tick_100ms ++;
            if(tick_100ms%2 == 0)
            {
            }
            if(tick_100ms%5 == 0)
            {
            }
            if(tick_100ms%10 == 0)
            {
                M.move(LEFT,1,TOP_LAYER);    //顶层（图层0）每秒左移一位
            }
            if(tick_100ms%20 == 0)
            {
                M.move(RIGHT,1,TOP_LAYER+1);   //图层1每2秒右移一位
            }
            if(tick_100ms%50 == 0)
            {
            }
        }
    }
    if(Serial.available())                            //接收AT指令
    {
        cmd[cmd_num++] = Serial.read();
        if((cmd_num>=2) && (cmd[cmd_num-1] == 0x0a) && (cmd[cmd_num-2] == 0x0d))
        {
            M.at_cmd(cmd);
            cmd_num = 0;
        }
     }
}

/*************************************************************************************
*  Description:
*                         loop function
*        Display function must be called.
*        If you wanna do something after display be called,
*    you should give display function a parameter which is a pointer to a function.
* Param:   none
* Retval:  none
**************************************************************************************/
void loop()
{
    int tmp,i;
    M.add_layer();
    M.put_char(0,0,'A',NO_ROT,MULTIPLY,RED,TOP_LAYER);
    M.put_char(5,0,'B',NO_ROT,MULTIPLY,GREEN,TOP_LAYER);
    M.put_char(10,0,'C',NO_ROT,MULTIPLY,BLUE,TOP_LAYER);

    M.put_char(0,8,'D',NO_ROT,MULTIPLY,GREEN+RED,1);
    M.put_char(5,8,'E',NO_ROT,MULTIPLY,RED+BLUE,1);
    M.put_char(10,8,'F',NO_ROT,MULTIPLY,BLUE+GREEN,1);
    M.display(hook);
}