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[工學(xué)]arduino課件v-資料下載頁

2025-01-19 10:51本頁面
  

【正文】 b) 約束函數(shù),下限 a,上限 b, x必須在 ab之間才能返回。 ? map(value, fromLow, fromHigh, toLow, toHigh) 約束函數(shù), value必須在fromLow與 toLow之間和 fromHigh與 toHigh之間。 ? pow(base, exponent) 開方函數(shù), base的 exponent次方。 ? sq(x) 平方 ? sqrt(x) 開根號 ?三角函數(shù) ? sin(rad) ? cos(rad) ? tan(rad) ?隨機(jī)數(shù)函數(shù) ? randomSeed(seed) 隨機(jī)數(shù)端口定義函數(shù), seed表示讀模擬口 analogRead(pin)函數(shù) ? long random(max) 隨機(jī)數(shù)函數(shù),返回數(shù)據(jù)大于等于 0,小于 max。 ? long random(min, max) 隨機(jī)數(shù)函數(shù),返回數(shù)據(jù)大于等于 min,小于 max。 ?外部中斷函數(shù) ? attachInterrupt(interrupt,function,mode) 外部中斷只能用到數(shù)字 IO口 2和 3,interrupt表示中斷口初始 0或 1,表示一個功能函數(shù), mode: LOW低電平中斷,CHANGE有變化就中斷, RISING上升沿中斷, FALLING 下降沿中斷。 ? detachInterrupt(interrupt) 中斷開關(guān), interrupt=1 開, interrupt=0 關(guān)。 ?中斷使能函數(shù) ? interrupts( ) 使能中斷 ? noInterrupts( ) 禁止中斷 ?串口收發(fā)函數(shù) ? (speed) 串口定義波特率函數(shù), speed表示波特率,如 9600, 19200等 ? int () 判斷緩沖器狀態(tài)。 ? int () 讀串口并返回收到參數(shù)。 ? () 清空緩沖器。 ? (data) 串口輸出數(shù)據(jù)。 ? (data) 串口輸出數(shù)據(jù)并帶回車符。 官方庫文件 ? EEPROM EEPROM讀寫程序庫 ? Ether 以太網(wǎng)控制器程序庫 ? LiquidCrystal LCD控制程序庫 ? Servo 舵機(jī)控制程序庫 ? SoftwareSerial 任何數(shù)字 IO口模擬串口程序庫 ? Stepper 步進(jìn)電機(jī)控制程序庫 ? Wire TWI/I2C總線程序庫 ? Matrix LED矩陣控制程序庫 ? Sprite LED矩陣圖象處理控制程序庫 非官方庫文件 DateTime a library for keeping track of the current date and time in software. ? Debounce for reading noisy digital inputs (. from buttons) ? Firmata for municating with applications on the puter using a standard serial protocol. ? GLCD graphics routines for LCD based on the KS0108 or equivalent chipset. ? LCD control LCDs (using 8 data lines) ? LCD 4 Bit control LCDs (using 4 data lines) ? LedControl for controlling LED matrices or sevensegment displays with a MAX7221 or MAX7219. ? LedControl an alternative to the Matrix library for driving multiple LEDs with Maxim chips. ? Messenger for processing textbased messages from the puter ? Metro help you time actions at regular intervals ? MsTimer2 uses the timer 2 interrupt to trigger an action every N milliseconds. ? OneWire control devices (from Dallas Semiconductor) that use the One Wire protocol. ? PS2Keyboard read characters from a PS2 keyboard. ? Servo provides software support for Servo motors on any pins. ? Servotimer1 provides hardware support for Servo motors on pins 9 and 10 ? Simple Message System send messages between Arduino and the puter ? SSerial2Mobile send text messages or s using a cell phone (via AT mands over software serial) ? TextString handle strings ? TLC5940 16 channel 12 bit PWM controller. ? X10 Sending X10 signals over AC power lines
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