製作Micro:bit擴充積木

• 積木語法makecode官網說明：https://makecode.com/defining-blocks

• 模擬編輯器: https://makecode.com/playground

• 程式雲端硬碟：GiHub (請自行註冊)

【程式撰寫一】基本型式

//% color="#AA278D" weight=200 icon="\uf0f9"

namespace hello {

// 函數中大寫字體會產生空格+小寫

//% block

export function helloWorld() { }

//% block

//% A.defl=100

export function myPhase1(A:number) { }

//% block="division A = $A B = $B"

//% A.defl=60 B.defl=30

export function division(A:number,B:number) :number { return A/B; }

//% block="greatestCommonFactor A = $A B = $B"

//% A.defl=60 B.defl=40

export function greatestCommonFactor(A:number,B:number) :number {

let a = A; let b = B;

let value = 1; let counter = 2;

while(counter <= a && counter <= b) {

while(a % counter == 0 && b % counter == 0) {

value *= counter;

a /= counter; b /= counter;

}

counter += 1;

}

return value;

}

}

// HEX2DEC function

// FB link : https://www.facebook.com/mason.chen.1420

//% weight=12 color=#ff3333 icon="\uf2d6" block="HEX2DEC"

namespace HEX2DEC {

let hex_array = "0123456789ABCDEF"

let hex_array_2 = "0123456789abcdef"

let dec_out = 0

//% blockId="hex2dec_func" block="convert HEX %hex_in | to DEC"

//% weight=90

export function hex2dec_func(hex_in: string): number {

dec_out = 0

for (let bit = 0; bit <= hex_in.length - 1; bit++) {

let char = hex_in.charAt(hex_in.length - 1 - bit)

for (let ii = 0; ii < 16; ii++) {

if ((char.compare(hex_array.charAt(ii)) == 0) || (char.compare(hex_array_2.charAt(ii)) == 0)) {

dec_out = dec_out + ii * Math.pow(16, bit)

}

}

}

return dec_out;

}

}