玩玩LED点阵屏（arduino nano）
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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[1][32]= { 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[1][32]= { 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[2]; void led_display(const unsigned char dat[][32]) { unsigned char i; for( i = 0 ; i < 16 ; 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[0] = dat[0][i]; led_Display_Buffer[1] = dat[0][i+16]; led_send(led_Display_Buffer[1]); led_send(led_Display_Buffer[0]); digitalWrite(LEDARRAY_LAT, HIGH); //锁存数据 delayMicroseconds(1); digitalWrite(LEDARRAY_LAT, LOW); delayMicroseconds(1); led_scan_line(i); //选择第i行 digitalWrite(LEDARRAY_G, LOW); delayMicroseconds(100);; //延时一段时间，让LED亮起来。 } } //**************************************************** //扫描行 //**************************************************** void led_scan_line( unsigned char m) { switch(m) { case 0: digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW); break; case 1: digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH); break; case 2: digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW); break; case 3: digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH); break; case 4: digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW); break; case 5: digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH); break; case 6: digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW); break; case 7: digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH); break; case 8: digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW); break; case 9: digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH); break; case 10: digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW); break; case 11: digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH); break; case 12: digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW); break; case 13: digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH); break; case 14: digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW); break; case 15: 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(1); digitalWrite(LEDARRAY_LAT, LOW); delayMicroseconds(1); for( i = 0 ; i < 8 ; i++ ) { if( dat&0x01 ) { digitalWrite(LEDARRAY_DI, HIGH); } else { digitalWrite(LEDARRAY_DI, LOW); } delayMicroseconds(1); digitalWrite(LEDARRAY_CLK, HIGH); //上升沿发送数据 delayMicroseconds(1); digitalWrite(LEDARRAY_CLK, LOW); delayMicroseconds(1); dat >>= 1; } } int get_int_bit(unsigned char integer, int position) { switch (position) { case 1: return integer & 0x01; break; case 2: return (integer & 0x02) >> 1; case 3: return (integer & 0x04) >> 2; case 4: return (integer & 0x08) >> 3; case 5: return (integer & 0x10) >> 4; case 6: return (integer & 0x20) >> 5; case 7: return (integer & 0x40) >> 6; case 8: return (integer & 0x80) >> 7; default: break; } return 0; } int remove_bit_value(unsigned char value, int position) { int bit = 1 << position-1; int nMark = 0; nMark = (~nMark) ^ bit; value &= nMark; return value; } int set_bit_value(unsigned char value, int position) { int pos = 1 << position-1; value |= pos; return value; } int set_int_bit(unsigned char integer, int position, int newValue) { if (newValue > 0) return set_bit_value(integer, position); else return remove_bit_value(integer, position); } int led_move_header1[16]; int led_move_header2[16]; void led_move_left(unsigned char word2Move[][32]) { //RESET for(int i = 0;i < 16;i++) { led_move_header1[i]=1; led_move_header2[i]=1; } //记录左面LED点阵最左面一排的BIT位 for(int i = 0;i < 16;i++) { if(get_int_bit(word2Move[0][i], 8)>0) led_move_header1[i]=1; else led_move_header1[i]=0; } //记录右面LED点阵最左面一排的BIT位 for(int i = 16;i < 32;i++) { if(get_int_bit(word2Move[0][i], 8)>0) led_move_header2[i-16]=1; else led_move_header2[i-16]=0; } //左面LED点阵BIT位左移 for(int i = 0;i < 16;i++) word2Move[0][i]=word2Move[0][i]<<1; //右面LED点阵BIT位左移 for(int i = 16;i < 32;i++) word2Move[0][i]=word2Move[0][i]<<1; //将LED点阵最左面一排的BIT位SET到最右面一排BIT位 for(int i = 0;i < 16;i++) word2Move[0][i]=set_int_bit(word2Move[0][i], 1, 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 = 16;i < 32;i++) word2Move[0][i]=set_int_bit(word2Move[0][i], 1, led_move_header1[i-16]); } void setup(){ led_init(); } void loop(){ for(int led_display_delay=0;led_display_delay<100;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
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<value name="a16-12"></value> <value name="a16-13"></value> <value name="a16-14"></value> <value name="a16-15"></value> <value name="a16-16"></value> </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> "; // // var defines="#define SERVOMIN 200 "; // defines+="#define SERVOMAX 540 "; // defines+="#define SERVOMIN_Angle "+Blockly.McKay_ServoDriveBoard_MinAngle+" "; // defines+="#define SERVOMAX_Angle "+Blockly.McKay_ServoDriveBoard_MaxAngle+" "; // // Blockly.Arduino.definitions_["define_McKay_ServoDriveBoard_Defines"] = defines; // // Blockly.Arduino.definitions_["define_McKay_ServoDriveBoard_pwmObj"] = "Adafruit_PWMServoDriver pwm = Adafruit_PWMServoDriver(); "; // // // var gotoCode="void servo_goto_angle(int pinId, int angle) "; // gotoCode+="{ "; // gotoCode+=" int anglePwmValue=map(angle, SERVOMIN_Angle, SERVOMAX_Angle, SERVOMIN, SERVOMAX); "; // gotoCode+=" pwm.setPWM(pinId,0, anglePwmValue); "; // gotoCode+="} "; // Blockly.Arduino.definitions_["define_McKay_ServoDriveBoard_goto_angle"] = gotoCode; // // var initCode="void servo_init() "; // initCode+="{ "; // initCode+=" Serial.begin(9600); "; // initCode+=" pwm.begin(); "; // initCode+=" pwm.setPWMFreq(60); "; // initCode+=" delay(200); "; // initCode+="} "; // Blockly.Arduino.definitions_["define_McKay_ServoDriveBoard_initCode"] = initCode; // // return "servo_init(); "; //}; // // // //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+"); "; // return code; //}; Blockly.Arduino.LED_Init=function(){ var includes="#define LEDARRAY_D 2 "; includes+="#define LEDARRAY_C 3 "; includes+="#define LEDARRAY_B 4 "; includes+="#define LEDARRAY_A 5 "; includes+="#define LEDARRAY_G 6 "; includes+="#define LEDARRAY_DI 7 "; includes+="#define LEDARRAY_CLK 8 "; includes+="#define LEDARRAY_LAT 9 "; Blockly.Arduino.definitions_["define_MixlyControls_Include"] = includes; var setupCode="void led_init(){ "; setupCode+=" pinMode(LEDARRAY_D, OUTPUT); "; setupCode+=" pinMode(LEDARRAY_C, OUTPUT); "; setupCode+=" pinMode(LEDARRAY_B, OUTPUT); "; setupCode+=" pinMode(LEDARRAY_A, OUTPUT); "; setupCode+=" pinMode(LEDARRAY_G, OUTPUT); "; setupCode+=" pinMode(LEDARRAY_DI, OUTPUT); "; setupCode+=" pinMode(LEDARRAY_CLK, OUTPUT); "; setupCode+=" pinMode(LEDARRAY_LAT, OUTPUT); "; setupCode+="} "; Blockly.Arduino.definitions_["define_MixlyControls_led_init"] = setupCode; Blockly.Arduino.definitions_["define_MixlyControls_led_var_led_display_buffer"] = "unsigned char led_Display_Buffer[2]; "; var functionsCode=""; functionsCode+="void led_display(const unsigned char dat[][32]) "; functionsCode+="{ "; functionsCode+=" unsigned char i; "; functionsCode+=" "; functionsCode+=" for( i = 0 ; i < 16 ; i++ ) "; functionsCode+=" { "; 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。 "; functionsCode+=" "; functionsCode+=" led_Display_Buffer[0] = dat[0][i]; "; functionsCode+=" led_Display_Buffer[1] = dat[0][i+16]; "; functionsCode+=" "; functionsCode+=" led_send(led_Display_Buffer[1]); "; functionsCode+=" led_send(led_Display_Buffer[0]); "; functionsCode+=" "; functionsCode+=" digitalWrite(LEDARRAY_LAT, HIGH); //锁存数据 "; functionsCode+=" delayMicroseconds(1); "; functionsCode+=" "; functionsCode+=" digitalWrite(LEDARRAY_LAT, LOW); "; functionsCode+=" delayMicroseconds(1); "; functionsCode+=" "; functionsCode+=" led_scan_line(i); //选择第i行 "; functionsCode+=" "; functionsCode+=" digitalWrite(LEDARRAY_G, LOW); "; functionsCode+=" "; functionsCode+=" delayMicroseconds(100);; //延时一段时间，让LED亮起来。 "; functionsCode+=" } "; functionsCode+="} "; functionsCode+=" "; functionsCode+="//**************************************************** "; functionsCode+="//扫描行 "; functionsCode+="//**************************************************** "; functionsCode+="void led_scan_line( unsigned char m) "; functionsCode+="{ "; functionsCode+=" switch(m) "; functionsCode+=" { "; functionsCode+=" case 0: "; functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW); "; functionsCode+=" break; "; functionsCode+=" case 1: "; functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH); "; functionsCode+=" break; "; functionsCode+=" case 2: "; functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW); "; functionsCode+=" break; "; functionsCode+=" case 3: "; functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH); "; functionsCode+=" break; "; functionsCode+=" case 4: "; functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW); "; functionsCode+=" break; "; functionsCode+=" case 5: "; functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH); "; functionsCode+=" break; "; functionsCode+=" case 6: "; functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW); "; functionsCode+=" break; "; functionsCode+=" case 7: "; functionsCode+=" digitalWrite(LEDARRAY_D, LOW);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH); "; functionsCode+=" break; "; functionsCode+=" case 8: "; functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW); "; functionsCode+=" break; "; functionsCode+=" case 9: "; functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH); "; functionsCode+=" break; "; functionsCode+=" case 10: "; functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW); "; functionsCode+=" break; "; functionsCode+=" case 11: "; functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, LOW);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH); "; functionsCode+=" break; "; functionsCode+=" case 12: "; functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, LOW); "; functionsCode+=" break; "; functionsCode+=" case 13: "; functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, LOW);digitalWrite(LEDARRAY_A, HIGH); "; functionsCode+=" break; "; functionsCode+=" case 14: "; functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, LOW); "; functionsCode+=" break; "; functionsCode+=" case 15: "; functionsCode+=" digitalWrite(LEDARRAY_D, HIGH);digitalWrite(LEDARRAY_C, HIGH);digitalWrite(LEDARRAY_B, HIGH);digitalWrite(LEDARRAY_A, HIGH); "; functionsCode+=" break; "; functionsCode+=" default : break; "; functionsCode+=" } "; functionsCode+="} "; functionsCode+=" "; functionsCode+="//**************************************************** "; functionsCode+="//发送数据 "; functionsCode+="//**************************************************** "; functionsCode+="void led_send( unsigned char dat) "; functionsCode+="{ "; functionsCode+=" unsigned char i; "; functionsCode+=" digitalWrite(LEDARRAY_CLK, LOW); "; functionsCode+=" delayMicroseconds(1); "; functionsCode+=" digitalWrite(LEDARRAY_LAT, LOW); "; functionsCode+=" delayMicroseconds(1); "; functionsCode+=" "; functionsCode+=" for( i = 0 ; i < 8 ; i++ ) "; functionsCode+=" { "; functionsCode+=" if( dat&0x01 ) "; functionsCode+=" { "; functionsCode+=" digitalWrite(LEDARRAY_DI, HIGH); "; functionsCode+=" } "; functionsCode+=" else "; functionsCode+=" { "; functionsCode+=" digitalWrite(LEDARRAY_DI, LOW); "; functionsCode+=" } "; functionsCode+=" "; functionsCode+=" delayMicroseconds(1); "; functionsCode+=" digitalWrite(LEDARRAY_CLK, HIGH); //上升沿发送数据 "; functionsCode+=" delayMicroseconds(1); "; functionsCode+=" digitalWrite(LEDARRAY_CLK, LOW); "; functionsCode+=" delayMicroseconds(1); "; functionsCode+=" dat >>= 1; "; functionsCode+=" "; functionsCode+=" } "; functionsCode+="} "; functionsCode+="int get_int_bit(unsigned char integer, int position) "; functionsCode+="{ "; functionsCode+=" switch (position) "; functionsCode+=" { "; functionsCode+=" case 1: "; functionsCode+=" return integer & 0x01; "; functionsCode+=" break; "; functionsCode+=" case 2: "; functionsCode+=" return (integer & 0x02) >> 1; "; functionsCode+=" case 3: "; functionsCode+=" return (integer & 0x04) >> 2; "; functionsCode+=" case 4: "; functionsCode+=" return (integer & 0x08) >> 3; "; functionsCode+=" case 5: "; functionsCode+=" return (integer & 0x10) >> 4; "; functionsCode+=" case 6: "; functionsCode+=" return (integer & 0x20) >> 5; "; functionsCode+=" case 7: "; functionsCode+=" return (integer & 0x40) >> 6; "; functionsCode+=" case 8: "; functionsCode+=" return (integer & 0x80) >> 7; "; functionsCode+=" default: "; functionsCode+=" break; "; functionsCode+=" } "; functionsCode+=" return 0; "; functionsCode+="} "; functionsCode+="int remove_bit_value(unsigned char value, int position) "; functionsCode+="{ "; functionsCode+=" int bit = 1 << position-1; "; functionsCode+=" int nMark = 0; "; functionsCode+=" nMark = (~nMark) ^ bit; "; functionsCode+=" value &= nMark; "; functionsCode+=" return value; "; functionsCode+="} "; functionsCode+="int set_bit_value(unsigned char value, int position) "; functionsCode+="{ "; functionsCode+=" int pos = 1 << position-1; "; functionsCode+=" value |= pos; "; functionsCode+=" return value; "; functionsCode+="} "; functionsCode+="int set_int_bit(unsigned char integer, int position, int newValue) "; functionsCode+="{ "; functionsCode+=" if (newValue > 0) "; functionsCode+=" return set_bit_value(integer, position); "; functionsCode+=" else "; functionsCode+=" return remove_bit_value(integer, position); "; functionsCode+="} "; functionsCode+="int led_move_header1[16]; "; functionsCode+="int led_move_header2[16]; "; functionsCode+="void led_move_left(unsigned char word2Move[][32]) "; functionsCode+="{ "; functionsCode+=" //RESET "; functionsCode+=" for(int i = 0;i < 16;i++) "; functionsCode+=" { "; functionsCode+=" led_move_header1[i]=1; "; functionsCode+=" led_move_header2[i]=1; "; functionsCode+=" } "; functionsCode+=" //记录左面LED点阵最左面一排的BIT位 "; functionsCode+=" for(int i = 0;i < 16;i++) "; functionsCode+=" { "; functionsCode+=" if(get_int_bit(word2Move[0][i], 8)>0) "; functionsCode+=" led_move_header1[i]=1; "; functionsCode+=" else "; functionsCode+=" led_move_header1[i]=0; "; functionsCode+=" } "; functionsCode+=" //记录右面LED点阵最左面一排的BIT位 "; functionsCode+=" for(int i = 16;i < 32;i++) "; functionsCode+=" { "; functionsCode+=" if(get_int_bit(word2Move[0][i], 8)>0) "; functionsCode+=" led_move_header2[i-16]=1; "; functionsCode+=" else "; functionsCode+=" led_move_header2[i-16]=0; "; functionsCode+=" } "; functionsCode+=" //左面LED点阵BIT位左移 "; functionsCode+=" for(int i = 0;i < 16;i++) "; functionsCode+=" word2Move[0][i]=word2Move[0][i]<<1; "; functionsCode+=" //右面LED点阵BIT位左移 "; functionsCode+=" for(int i = 16;i < 32;i++) "; functionsCode+=" word2Move[0][i]=word2Move[0][i]<<1; "; functionsCode+=" //将LED点阵最左面一排的BIT位SET到最右面一排BIT位 "; functionsCode+=" for(int i = 0;i < 16;i++) "; functionsCode+=" word2Move[0][i]=set_int_bit(word2Move[0][i], 1, led_move_header2[i]); "; functionsCode+=" //将LED点阵最左面一排的BIT位SET到最右面一排BIT位 "; functionsCode+=" for(int i = 16;i < 32;i++) "; functionsCode+=" word2Move[0][i]=set_int_bit(word2Move[0][i], 1, led_move_header1[i-16]); "; functionsCode+="} "; Blockly.Arduino.definitions_["define_MixlyControls_functions"] = functionsCode; return "led_init(); "; }; 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]= " + code; Blockly.Arduino.definitions_[varName+‘_hidden‘] = "const unsigned char " + varName + "_hidden[1][32]= " + code; var functionCode=""; functionCode+="for(int led_display_delay=0;led_display_delay<"+delay+";led_display_delay++) "; functionCode+="{ "; functionCode+=" led_display("+varName+"); "; functionCode+="} "; 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]= " + code; var functionCode=" led_display(led_clear_define); "; return functionCode; }; Blockly.Arduino.LED_LeftMove=function(block){ var reference = this.getInputTargetBlock(‘varName‘).getFieldValue(‘reference‘); var functionCode=" led_move_left("+reference+"); "; 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+="{ "; 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+=" "; code+="}; "; 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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