玩玩LED点阵屏（arduino nano）
做些记录，特别是led显示左移效果的代码，二进制位的特效函数
unsigned char LedArray1[][]=
{
0xff,0xd7,0x83,0xd6,0xc6,0xd4,0xc6,0x82,0xd6,0xba,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x97,0x57,0x81,0x95,0x55,0xd5,0xdf,0xdd,0xe1,0xff,0xff,0xff,0xff,0xff,0xff,
}; const unsigned char LedArray1_hidden[][]=
{
0xff,0xd7,0x83,0xd6,0xc6,0xd4,0xc6,0x82,0xd6,0xba,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x97,0x57,0x81,0x95,0x55,0xd5,0xdf,0xdd,0xe1,0xff,0xff,0xff,0xff,0xff,0xff,
}; #define LEDARRAY_D 2
#define LEDARRAY_C 3
#define LEDARRAY_B 4
#define LEDARRAY_A 5
#define LEDARRAY_G 6
#define LEDARRAY_DI 7
#define LEDARRAY_CLK 8
#define LEDARRAY_LAT 9 void led_init(){
pinMode(LEDARRAY_D, OUTPUT);
pinMode(LEDARRAY_C, OUTPUT);
pinMode(LEDARRAY_B, OUTPUT);
pinMode(LEDARRAY_A, OUTPUT);
pinMode(LEDARRAY_G, OUTPUT);
pinMode(LEDARRAY_DI, OUTPUT);
pinMode(LEDARRAY_CLK, OUTPUT);
pinMode(LEDARRAY_LAT, OUTPUT);
} unsigned char led_Display_Buffer[]; void led_display(const unsigned char dat[][])
{
unsigned char i; for( i = ; i < ; i++ )
{
digitalWrite(LEDARRAY_G, HIGH); //更新数据时候关闭显示。等更新完数据，打开138显示行。防止重影。 led_Display_Buffer[] = dat[][i];
led_Display_Buffer[] = dat[][i+]; led_send(led_Display_Buffer[]);
led_send(led_Display_Buffer[]); digitalWrite(LEDARRAY_LAT, HIGH); //锁存数据
delayMicroseconds(); digitalWrite(LEDARRAY_LAT, LOW);
delayMicroseconds(); led_scan_line(i); //选择第i行 digitalWrite(LEDARRAY_G, LOW); delayMicroseconds();; //延时一段时间，让LED亮起来。
}
} //****************************************************
//扫描行
//****************************************************
void led_scan_line( unsigned char m)
{
switch(m)
{
case :
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);
break;
case :
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);
break;
case :
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);
break;
case :
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);
break;
case :
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);
break;
case :
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);
break;
case :
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);
break;
case :
digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);
break;
case :
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);
break;
case :
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);
break;
case :
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);
break;
case :
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);
break;
case :
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);
break;
case :
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);
break;
case :
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);
break;
case :
digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);
break;
default : break;
}
} //****************************************************
//发送数据
//****************************************************
void led_send( unsigned char dat)
{
unsigned char i;
digitalWrite(LEDARRAY_CLK, LOW);
delayMicroseconds();
digitalWrite(LEDARRAY_LAT, LOW);
delayMicroseconds(); for( i = ; i < ; i++ )
{
if( dat&0x01 )
{
digitalWrite(LEDARRAY_DI, HIGH);
}
else
{
digitalWrite(LEDARRAY_DI, LOW);
} delayMicroseconds();
digitalWrite(LEDARRAY_CLK, HIGH); //上升沿发送数据
delayMicroseconds();
digitalWrite(LEDARRAY_CLK, LOW);
delayMicroseconds();
dat >>= ; }
}
int get_int_bit(unsigned char integer, int position)
{
switch (position)
{
case :
return integer & 0x01;
break;
case :
return (integer & 0x02) >> ;
case :
return (integer & 0x04) >> ;
case :
return (integer & 0x08) >> ;
case :
return (integer & 0x10) >> ;
case :
return (integer & 0x20) >> ;
case :
return (integer & 0x40) >> ;
case :
return (integer & 0x80) >> ;
default:
break;
}
return ;
}
int remove_bit_value(unsigned char value, int position)
{
int bit = << position-;
int nMark = ;
nMark = (~nMark) ^ bit;
value &= nMark;
return value;
}
int set_bit_value(unsigned char value, int position)
{
int pos = << position-;
value |= pos;
return value;
}
int set_int_bit(unsigned char integer, int position, int newValue)
{
if (newValue > )
return set_bit_value(integer, position);
else
return remove_bit_value(integer, position);
}
int led_move_header1[];
int led_move_header2[];
void led_move_left(unsigned char word2Move[][])
{
//RESET
for(int i = ;i < ;i++)
{
led_move_header1[i]=;
led_move_header2[i]=;
}
//记录左面LED点阵最左面一排的BIT位
for(int i = ;i < ;i++)
{
if(get_int_bit(word2Move[][i], )>)
led_move_header1[i]=;
else
led_move_header1[i]=;
}
//记录右面LED点阵最左面一排的BIT位
for(int i = ;i < ;i++)
{
if(get_int_bit(word2Move[][i], )>)
led_move_header2[i-]=;
else
led_move_header2[i-]=;
}
//左面LED点阵BIT位左移
for(int i = ;i < ;i++)
word2Move[][i]=word2Move[][i]<<;
//右面LED点阵BIT位左移
for(int i = ;i < ;i++)
word2Move[][i]=word2Move[][i]<<;
//将LED点阵最左面一排的BIT位SET到最右面一排BIT位
for(int i = ;i < ;i++)
word2Move[][i]=set_int_bit(word2Move[][i], , led_move_header2[i]);
//将LED点阵最左面一排的BIT位SET到最右面一排BIT位
for(int i = ;i < ;i++)
word2Move[][i]=set_int_bit(word2Move[][i], , led_move_header1[i-]);
} void setup(){
led_init();
} void loop(){
for(int led_display_delay=;led_display_delay<;led_display_delay++)
{
led_display(LedArray1);
}
led_move_left(LedArray1); }
LED屏：https://item.taobao.com/item.htm?id=16401785016&_u=iq9aqj2141
arduino连接图
mixly代码：
~/MixlyControls.xml
<!--
type="company"
block="block/MixlyControls.js"
generator="generator/MixlyControls.js"
media="media/MixlyControls"
language="language/MixlyControls"
-->
<script type="text/javascript" src="../../blocks/company/MixlyControls.js"></script>
<script type="text/javascript" src="../../generators/arduino/company/MixlyControls.js"></script>
<category id="McKay_LED_LCD" name="McKay-LED点阵屏" colour="20">
<block type="LED_Init">
</block>
<block type="LED_Display">
<value name="content"></value>
<value name="delay"></value>
</block>
<block type="LED_LeftMove">
<value name="varName"></value>
</block>
<block type="LED_ClearDisplay">
</block>
<block type="LED_ContentArrayRef">
<value name="reference"></value>
</block>
<block type="LED_Content">
<value name="a1-1"></value>
<value name="a1-2"></value>
<value name="a1-3"></value>
<value name="a1-4"></value>
<value name="a1-5"></value>
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</block>
</category>
~/block/MixlyControls.js
'use strict';
goog.provide('Blockly.Blocks.MixlyControls');
goog.require('Blockly.Blocks');
//
//Blockly.Blocks.ServoDriveBoard_Init={
//init:function(){
// this.appendDummyInput("")
// .appendField("初始化舵机");
// this.appendValueInput("MinAngle").setCheck(Number).appendField("最小角度");
// this.appendValueInput("MaxAngle").setCheck(Number).appendField("最大角度");
//
// this.setColour(20);
// this.setPreviousStatement(true);
// this.setNextStatement(true);
// this.setInputsInline(false);
// this.setTooltip("初始化舵机");
// }
//};
Blockly.Blocks.LED_Init={
init:function(){
this.setColour(Blockly.Blocks.display.HUE);
this.appendDummyInput("").appendField("LED初始化");
this.setPreviousStatement(true);
this.setNextStatement(true);
this.setInputsInline(false);
this.setTooltip("LED初始化");
}
};
Blockly.Blocks.LED_Display={
init:function(){
this.setColour(Blockly.Blocks.display.HUE);
this.appendValueInput('content').setAlign(Blockly.ALIGN_RIGHT).appendField("LED显示");
this.appendValueInput("delay").setCheck(Number).appendField("延时");
this.setPreviousStatement(true);
this.setNextStatement(true);
this.setInputsInline(true);
this.setTooltip("LED显示");
}
};
Blockly.Blocks.LED_LeftMove={
init:function(){
this.setColour(Blockly.Blocks.display.HUE);
this.appendDummyInput("").appendField("LED左移");
this.appendValueInput("varName").appendField("变量名");
this.setPreviousStatement(true);
this.setNextStatement(true);
this.setInputsInline(true);
this.setTooltip("LED左移");
}
};
Blockly.Blocks.LED_ClearDisplay={
init:function(){
this.setColour(Blockly.Blocks.display.HUE);
this.appendDummyInput("").appendField("LED清屏");
this.setPreviousStatement(true);
this.setNextStatement(true);
this.setInputsInline(true);
this.setTooltip("LED清屏");
}
};
Blockly.Blocks.LED_Content={
init:function(){
this.setColour(Blockly.Blocks.display.HUE);
this.appendDummyInput("").appendField(Blockly.MIXLY_DISPLAY_MATRIX_ARRAYVAR).appendField(new Blockly.FieldTextInput("LedArray1"), "VAR");
for(var i=1;i<=16;i++)
{
var start_block=this.appendDummyInput("");
for(var j=1;j<=16;j++)
start_block.appendField(new Blockly.FieldCheckbox("FALSE"), "a"+i+"-"+j);
}
this.setOutput(true, String);
}
};
Blockly.Blocks.LED_ContentArrayRef={
init:function(){
this.setColour(Blockly.Blocks.display.HUE);
this.appendDummyInput("").appendField(Blockly.MIXLY_DISPLAY_MATRIX_ARRAYVAR).appendField(new Blockly.FieldTextInput("LedArray1"), "reference");
this.setOutput(true, String);
}
};
~/generator/MixlyControls.js
'use strict';
goog.provide('Blockly.Arduino.MixlyControls');
goog.require('Blockly.Arduino');
//
//Blockly.McKay_ServoDriveBoard_MinAngle=0;
//Blockly.McKay_ServoDriveBoard_MaxAngle=0;
//Blockly.Arduino.ServoDriveBoard_Init=function(){
// var MinAngle = Blockly.Arduino.valueToCode(this, 'MinAngle', Blockly.Arduino.ORDER_ATOMIC) || '0';
// var MaxAngle = Blockly.Arduino.valueToCode(this, 'MaxAngle', Blockly.Arduino.ORDER_ATOMIC) || '112';
//
// Blockly.McKay_ServoDriveBoard_MinAngle=parseInt(MinAngle);
// Blockly.McKay_ServoDriveBoard_MaxAngle=parseInt(MaxAngle);
//
// Blockly.Arduino.definitions_["define_McKay_ServoDriveBoard_Include"] = "#include <Adafruit_PWMServoDriver.h>\n";
//
// var defines="#define SERVOMIN 200\n";
// defines+="#define SERVOMAX 540\n";
// defines+="#define SERVOMIN_Angle "+Blockly.McKay_ServoDriveBoard_MinAngle+"\n";
// defines+="#define SERVOMAX_Angle "+Blockly.McKay_ServoDriveBoard_MaxAngle+"\n";
//
// Blockly.Arduino.definitions_["define_McKay_ServoDriveBoard_Defines"] = defines;
//
// Blockly.Arduino.definitions_["define_McKay_ServoDriveBoard_pwmObj"] = "Adafruit_PWMServoDriver pwm = Adafruit_PWMServoDriver();\n";
//
//
// var gotoCode="void servo_goto_angle(int pinId, int angle)\n";
// gotoCode+="{\n";
// gotoCode+=" int anglePwmValue=map(angle, SERVOMIN_Angle, SERVOMAX_Angle, SERVOMIN, SERVOMAX);\n";
// gotoCode+=" pwm.setPWM(pinId,0, anglePwmValue);\n";
// gotoCode+="}\n";
// Blockly.Arduino.definitions_["define_McKay_ServoDriveBoard_goto_angle"] = gotoCode;
//
// var initCode="void servo_init()\n";
// initCode+="{\n";
// initCode+=" Serial.begin(9600);\n";
// initCode+=" pwm.begin();\n";
// initCode+=" pwm.setPWMFreq(60);\n";
// initCode+=" delay(200);\n";
// initCode+="}\n";
// Blockly.Arduino.definitions_["define_McKay_ServoDriveBoard_initCode"] = initCode;
//
// return "servo_init();\n";
//};
//
//
//
//Blockly.Arduino.ServoDriveBoard_Do=function(){
// var ServoNumber = Blockly.Arduino.valueToCode(this, 'ServoNumber', Blockly.Arduino.ORDER_ATOMIC) || '0';
// var Angle = Blockly.Arduino.valueToCode(this, 'Angle', Blockly.Arduino.ORDER_ATOMIC) || '0';
//
// var code="servo_goto_angle("+ServoNumber+", "+Angle+");\n";
// return code;
//};
Blockly.Arduino.LED_Init=function(){
var includes="#define LEDARRAY_D 2\n";
includes+="#define LEDARRAY_C 3\n";
includes+="#define LEDARRAY_B 4\n";
includes+="#define LEDARRAY_A 5\n";
includes+="#define LEDARRAY_G 6\n";
includes+="#define LEDARRAY_DI 7\n";
includes+="#define LEDARRAY_CLK 8\n";
includes+="#define LEDARRAY_LAT 9\n";
Blockly.Arduino.definitions_["define_MixlyControls_Include"] = includes;
var setupCode="void led_init(){\n";
setupCode+=" pinMode(LEDARRAY_D, OUTPUT);\n";
setupCode+=" pinMode(LEDARRAY_C, OUTPUT);\n";
setupCode+=" pinMode(LEDARRAY_B, OUTPUT);\n";
setupCode+=" pinMode(LEDARRAY_A, OUTPUT);\n";
setupCode+=" pinMode(LEDARRAY_G, OUTPUT);\n";
setupCode+=" pinMode(LEDARRAY_DI, OUTPUT);\n";
setupCode+=" pinMode(LEDARRAY_CLK, OUTPUT);\n";
setupCode+=" pinMode(LEDARRAY_LAT, OUTPUT);\n";
setupCode+="}\n";
Blockly.Arduino.definitions_["define_MixlyControls_led_init"] = setupCode;
Blockly.Arduino.definitions_["define_MixlyControls_led_var_led_display_buffer"] = "unsigned char led_Display_Buffer[2];\n";
var functionsCode="";
functionsCode+="void led_display(const unsigned char dat[][32])\n";
functionsCode+="{\n";
functionsCode+=" unsigned char i;\n";
functionsCode+="\n";
functionsCode+=" for( i = 0 ; i < 16 ; i++ )\n";
functionsCode+=" {\n";
functionsCode+=" digitalWrite(LEDARRAY_G, HIGH); //更新数据时候关闭显示。等更新完数据，打开138显示行。防止重影。\n";
functionsCode+="\n";
functionsCode+=" led_Display_Buffer[0] = dat[0][i];\n";
functionsCode+=" led_Display_Buffer[1] = dat[0][i+16];\n";
functionsCode+="\n";
functionsCode+=" led_send(led_Display_Buffer[1]);\n";
functionsCode+=" led_send(led_Display_Buffer[0]);\n";
functionsCode+="\n";
functionsCode+=" digitalWrite(LEDARRAY_LAT, HIGH); //锁存数据\n";
functionsCode+=" delayMicroseconds(1);\n";
functionsCode+="\n";
functionsCode+=" digitalWrite(LEDARRAY_LAT, LOW);\n";
functionsCode+=" delayMicroseconds(1);\n";
functionsCode+="\n";
functionsCode+=" led_scan_line(i); //选择第i行\n";
functionsCode+="\n";
functionsCode+=" digitalWrite(LEDARRAY_G, LOW);\n";
functionsCode+="\n";
functionsCode+=" delayMicroseconds(100);; //延时一段时间，让LED亮起来。\n";
functionsCode+=" }\n";
functionsCode+="}\n";
functionsCode+="\n";
functionsCode+="//****************************************************\n";
functionsCode+="//扫描行\n";
functionsCode+="//****************************************************\n";
functionsCode+="void led_scan_line( unsigned char m)\n";
functionsCode+="{\n";
functionsCode+=" switch(m)\n";
functionsCode+=" {\n";
functionsCode+=" case 0:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);\n";
functionsCode+=" break;\n";
functionsCode+=" case 1:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);\n";
functionsCode+=" break;\n";
functionsCode+=" case 2:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);\n";
functionsCode+=" break;\n";
functionsCode+=" case 3:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);\n";
functionsCode+=" break;\n";
functionsCode+=" case 4:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);\n";
functionsCode+=" break;\n";
functionsCode+=" case 5:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);\n";
functionsCode+=" break;\n";
functionsCode+=" case 6:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);\n";
functionsCode+=" break;\n";
functionsCode+=" case 7:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);\n";
functionsCode+=" break;\n";
functionsCode+=" case 8:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);\n";
functionsCode+=" break;\n";
functionsCode+=" case 9:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);\n";
functionsCode+=" break;\n";
functionsCode+=" case 10:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);\n";
functionsCode+=" break;\n";
functionsCode+=" case 11:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);\n";
functionsCode+=" break;\n";
functionsCode+=" case 12:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW);\n";
functionsCode+=" break;\n";
functionsCode+=" case 13:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH);\n";
functionsCode+=" break;\n";
functionsCode+=" case 14:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW);\n";
functionsCode+=" break;\n";
functionsCode+=" case 15:\n";
functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH);\n";
functionsCode+=" break;\n";
functionsCode+=" default : break;\n";
functionsCode+=" }\n";
functionsCode+="}\n";
functionsCode+="\n";
functionsCode+="//****************************************************\n";
functionsCode+="//发送数据\n";
functionsCode+="//****************************************************\n";
functionsCode+="void led_send( unsigned char dat)\n";
functionsCode+="{\n";
functionsCode+=" unsigned char i;\n";
functionsCode+=" digitalWrite(LEDARRAY_CLK, LOW);\n";
functionsCode+=" delayMicroseconds(1);\n";
functionsCode+=" digitalWrite(LEDARRAY_LAT, LOW);\n";
functionsCode+=" delayMicroseconds(1);\n";
functionsCode+="\n";
functionsCode+=" for( i = 0 ; i < 8 ; i++ )\n";
functionsCode+=" {\n";
functionsCode+=" if( dat&0x01 )\n";
functionsCode+=" {\n";
functionsCode+=" digitalWrite(LEDARRAY_DI, HIGH);\n";
functionsCode+=" }\n";
functionsCode+=" else\n";
functionsCode+=" {\n";
functionsCode+=" digitalWrite(LEDARRAY_DI, LOW);\n";
functionsCode+=" }\n";
functionsCode+="\n";
functionsCode+=" delayMicroseconds(1);\n";
functionsCode+=" digitalWrite(LEDARRAY_CLK, HIGH); //上升沿发送数据\n";
functionsCode+=" delayMicroseconds(1);\n";
functionsCode+=" digitalWrite(LEDARRAY_CLK, LOW);\n";
functionsCode+=" delayMicroseconds(1);\n";
functionsCode+=" dat >>= 1;\n";
functionsCode+="\n";
functionsCode+=" }\n";
functionsCode+="}\n";
functionsCode+="int get_int_bit(unsigned char integer, int position)\n";
functionsCode+="{\n";
functionsCode+=" switch (position)\n";
functionsCode+=" {\n";
functionsCode+=" case 1:\n";
functionsCode+=" return integer & 0x01;\n";
functionsCode+=" break;\n";
functionsCode+=" case 2:\n";
functionsCode+=" return (integer & 0x02) >> 1;\n";
functionsCode+=" case 3:\n";
functionsCode+=" return (integer & 0x04) >> 2;\n";
functionsCode+=" case 4:\n";
functionsCode+=" return (integer & 0x08) >> 3;\n";
functionsCode+=" case 5:\n";
functionsCode+=" return (integer & 0x10) >> 4;\n";
functionsCode+=" case 6:\n";
functionsCode+=" return (integer & 0x20) >> 5;\n";
functionsCode+=" case 7:\n";
functionsCode+=" return (integer & 0x40) >> 6;\n";
functionsCode+=" case 8:\n";
functionsCode+=" return (integer & 0x80) >> 7;\n";
functionsCode+=" default:\n";
functionsCode+=" break;\n";
functionsCode+=" }\n";
functionsCode+=" return 0;\n";
functionsCode+="}\n";
functionsCode+="int remove_bit_value(unsigned char value, int position)\n";
functionsCode+="{\n";
functionsCode+=" int bit = 1 << position-1;\n";
functionsCode+=" int nMark = 0;\n";
functionsCode+=" nMark = (~nMark) ^ bit;\n";
functionsCode+=" value &= nMark;\n";
functionsCode+=" return value;\n";
functionsCode+="}\n";
functionsCode+="int set_bit_value(unsigned char value, int position)\n";
functionsCode+="{\n";
functionsCode+=" int pos = 1 << position-1;\n";
functionsCode+=" value |= pos;\n";
functionsCode+=" return value;\n";
functionsCode+="}\n";
functionsCode+="int set_int_bit(unsigned char integer, int position, int newValue)\n";
functionsCode+="{\n";
functionsCode+=" if (newValue > 0)\n";
functionsCode+=" return set_bit_value(integer, position);\n";
functionsCode+=" else\n";
functionsCode+=" return remove_bit_value(integer, position);\n";
functionsCode+="}\n";
functionsCode+="int led_move_header1[16];\n";
functionsCode+="int led_move_header2[16];\n";
functionsCode+="void led_move_left(unsigned char word2Move[][32])\n";
functionsCode+="{\n";
functionsCode+=" //RESET\n";
functionsCode+=" for(int i = 0;i < 16;i++)\n";
functionsCode+=" {\n";
functionsCode+=" led_move_header1[i]=1;\n";
functionsCode+=" led_move_header2[i]=1;\n";
functionsCode+=" } \n";
functionsCode+=" //记录左面LED点阵最左面一排的BIT位\n";
functionsCode+=" for(int i = 0;i < 16;i++)\n";
functionsCode+=" {\n";
functionsCode+=" if(get_int_bit(word2Move[0][i], 8)>0)\n";
functionsCode+=" led_move_header1[i]=1;\n";
functionsCode+=" else\n";
functionsCode+=" led_move_header1[i]=0;\n";
functionsCode+=" }\n";
functionsCode+=" //记录右面LED点阵最左面一排的BIT位\n";
functionsCode+=" for(int i = 16;i < 32;i++)\n";
functionsCode+=" {\n";
functionsCode+=" if(get_int_bit(word2Move[0][i], 8)>0)\n";
functionsCode+=" led_move_header2[i-16]=1;\n";
functionsCode+=" else\n";
functionsCode+=" led_move_header2[i-16]=0;\n";
functionsCode+=" } \n";
functionsCode+=" //左面LED点阵BIT位左移\n";
functionsCode+=" for(int i = 0;i < 16;i++)\n";
functionsCode+=" word2Move[0][i]=word2Move[0][i]<<1;\n";
functionsCode+=" //右面LED点阵BIT位左移\n";
functionsCode+=" for(int i = 16;i < 32;i++)\n";
functionsCode+=" word2Move[0][i]=word2Move[0][i]<<1;\n";
functionsCode+=" //将LED点阵最左面一排的BIT位SET到最右面一排BIT位\n";
functionsCode+=" for(int i = 0;i < 16;i++)\n";
functionsCode+=" word2Move[0][i]=set_int_bit(word2Move[0][i], 1, led_move_header2[i]);\n";
functionsCode+=" //将LED点阵最左面一排的BIT位SET到最右面一排BIT位\n";
functionsCode+=" for(int i = 16;i < 32;i++)\n";
functionsCode+=" word2Move[0][i]=set_int_bit(word2Move[0][i], 1, led_move_header1[i-16]);\n";
functionsCode+="}\n";
Blockly.Arduino.definitions_["define_MixlyControls_functions"] = functionsCode;
return "led_init();\n";
};
Blockly.Arduino.LED_Display=function(block){
var varName = this.getInputTargetBlock('content').getFieldValue('VAR');
var delay = this.getInputTargetBlock('delay');
var ledArray = new Array();
for (var i = 1; i <= 16; i++) {
ledArray[i-1] = new Array();
for (var j = 1; j <= 16; j++) {
ledArray[i-1][j-1] = (this.getInputTargetBlock('content').getFieldValue('a' + i + '-' +j) == "TRUE") ? 0 : 1;
}
}
//生成16进制数组
var code=generateLEDArrayCode(ledArray);
Blockly.Arduino.definitions_[varName] = "unsigned char " + varName + "[1][32]=\n" + code;
Blockly.Arduino.definitions_[varName+'_hidden'] = "const unsigned char " + varName + "_hidden[1][32]=\n" + code;
var functionCode="";
functionCode+="for(int led_display_delay=0;led_display_delay<"+delay+";led_display_delay++)\n";
functionCode+="{\n";
functionCode+=" led_display("+varName+");\n";
functionCode+="}\n";
return functionCode;
};
Blockly.Arduino.LED_ClearDisplay=function(block){
var ledArray = new Array();
for (var i = 1; i <= 16; i++) {
ledArray[i-1] = new Array();
for (var j = 1; j <= 16; j++) {
ledArray[i-1][j-1] = 1;
}
}
//生成16进制数组
var code=generateLEDArrayCode(ledArray);
Blockly.Arduino.definitions_['led_clear_define'] = "const unsigned char led_clear_define[1][32]=\n" + code;
var functionCode=" led_display(led_clear_define);\n";
return functionCode;
};
Blockly.Arduino.LED_LeftMove=function(block){
var reference = this.getInputTargetBlock('varName').getFieldValue('reference');
var functionCode=" led_move_left("+reference+");\n";
return functionCode;
};
Blockly.Arduino.LED_ContentArrayRef=function(block){
var varName = this.getInputTargetBlock('reference');
return varName;
};
function get_led_2_string(array, from, to)
{
var tmpStr2 = "";
for (var j = from; j < to; j++) {
tmpStr2 += array[j];
}
return tmpStr2;
}
function get_16_string(str_2)
{
return (parseInt(str_2, 2)).toString(16);
}
function generateLEDArrayCode(ledArray)
{
var code="";
code+="{\n";
for (var i = 0; i < 16; i++)
{
var str1_2=get_led_2_string(ledArray[i], 0, 4);
var str1_16=get_16_string(str1_2);
var str2_2=get_led_2_string(ledArray[i], 4, 8);
var str2_16=get_16_string(str2_2);
code += '0x' + str1_16 + str2_16 + ',';
}
for (var i = 0; i < 16; i++)
{
var str1_2=get_led_2_string(ledArray[i], 8, 12);
var str1_16=get_16_string(str1_2);
var str2_2=get_led_2_string(ledArray[i], 12, 16);
var str2_16=get_16_string(str2_2);
code += '0x' + str1_16 + str2_16 + ',';
}
code+="\n";
code+="};\n";
return code;
}
最后，虽然是能显示，也能左移，但是由于没有自带文字库，所以都靠自己画点，麻烦，以后不干这事了，还是买入整体为好，这么太折腾了。
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