This project provides a general purpose library which implements read and write support for MMC, SD and SDHC memory cards. Written in ANSI C portable for several MicroControllers.
標(biāo)簽: implements provides project general
上傳時(shí)間: 2014-01-21
上傳用戶:zhangyigenius
ATMEL,教材,Practical AVR MicroControllers - Alan Trevennor
標(biāo)簽: ATMEL;教材;
上傳時(shí)間: 2015-03-30
上傳用戶:bluetang
Microprocessors are getting smaller, cheaper and faster. Every day, it is easier to embed more functionality into a smaller space. Embedded processors have become pervasive, and as time goes on, more and more functions that were once implemented with analog circuitry or with electromechanical assemblies are being realized with MicroControllers, ADCs and DACs. Many of these assemblies that are being supplanted by the microprocessor are controlling dynamic processes, which is a good thing, because the microprocessor coupled with the right software is often the superior device.
標(biāo)簽: 嵌入式系統(tǒng) 控制理論
上傳時(shí)間: 2016-07-20
上傳用戶:kunger
DESCRIPTION The Texas Instruments MSP430 family of ultra-low-power MicroControllers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 μs. The MSP430G2x13 and MSP430G2x53 series are ultra-low-power mixed signal MicroControllers with built-in 16- bit timers, up to 24 I/O capacitive-touch enabled pins, a versatile analog comparator, and built-in communication capability using the universal serial communication interface. In addition the MSP430G2x53 family members have a 10-bit analog-to-digital (A/D) converter. For configuration details see Table 1. Typical applications include low-cost sensor systems that capture analog signals, convert them to digital values, and then process the data for display or for transmission to a host system.
標(biāo)簽: G2553 2553 430G MSP 430
上傳時(shí)間: 2018-12-25
上傳用戶:ygyh
This book was written by Michael Margolis with Nick Weldin to help you explore the amazing things you can do with Arduino. Arduino is a family of MicroControllers (tiny computers) and a software creation envi- ronment that makes it easy for you to create programs (called sketches) that can interact with the physical world. Things you make with Arduino can sense and respond to touch, sound, position, heat, and light. This type of technology, often referred to as physical computing, is used in all kinds of things, from the iPhone to automobile elec- tronics systems. Arduino makes it possible for anyone—even people with no program- ming or electronics experience—to use this rich and complex technology.
上傳時(shí)間: 2020-06-09
上傳用戶:shancjb
Building a robot and enabling it to sense its environment is a wonderful way to take your Arduino knowledge to the next level. In writing this book, I have brought together my love for invention and my experience with electronics, robotics and MicroControllers. I hope you have as much pleasure building and enhancing your robot as I did developing the techniques contained in this book.
標(biāo)簽: Arduino-Controlled Robot Make an
上傳時(shí)間: 2020-06-09
上傳用戶:shancjb
通過采用無橋PFC和半橋LLC諧振變換器作為數(shù)字開關(guān)電源的主變換拓?fù)?基于STM32系列微控制器的全數(shù)字控制PFC和DC-DC變換器,首先對(duì)數(shù)字化開關(guān)電源方案進(jìn)行對(duì)比,然后闡述了200W數(shù)字開關(guān)電源整體方案,并對(duì)數(shù)字開關(guān)電源的無橋PFC和半橋LLC變換器進(jìn)行系統(tǒng)研究。By using a bridgeless PFC and a half-bridge LLC resonant converter as the main conversion topology of the digital switching power supply,the all-digital control PFC and DC-DC converter based on the STM32 series of MicroControllers,firstly the digital switching power supply scheme is compared,and then the overall scheme of 200 W digital switching power supply is expounded, and the bridgeless PFC and half-bridge LLC converter of digital switching power supply are systematically studied.
標(biāo)簽: 數(shù)字開關(guān)電源
上傳時(shí)間: 2022-04-02
上傳用戶:qingfengchizhu
一、 實(shí)驗(yàn)?zāi)康氖褂?51單片機(jī)的八位數(shù)碼管順序顯示自己的學(xué)號(hào)。掌握 C 語言、匯編語言兩種編程單片機(jī)控制程序的方法。掌握使用 Keil 4 或 Keil 5 軟件編寫、編譯、調(diào)試程序的方法。掌握使用 Proteus 軟件繪制電路原理圖、硬件仿真和程序調(diào)試。二、實(shí)驗(yàn)設(shè)備筆記本電腦51 單片機(jī)(普中科技)八位數(shù)碼管(單片機(jī)上已集成)應(yīng)用程序:Proteus 8.0、Keil uVision5、stc-isp-v6.88E三、實(shí)驗(yàn)原理(1)數(shù)碼管數(shù)碼管按段數(shù)可分為七段數(shù)碼管和 8 段數(shù)碼管,八段數(shù)碼管比七段數(shù)碼管多一個(gè)發(fā)光二極管單元,也就是多一個(gè)小數(shù)點(diǎn)(DP),這個(gè)小數(shù)點(diǎn)可以更精確的表示數(shù)碼管想要顯示的內(nèi)容。按能顯示多少個(gè)(8),可分為 1 位、2位、3位、4位、5 位、6位、7 位等數(shù)碼管。按發(fā)光二極管單元連接方式可分為共陽極數(shù)碼管和共陰極數(shù)碼管。共陽數(shù)碼管是指將所有發(fā)光二極管的陽極接到一起形成公共陽極(COM)的數(shù)碼管,共陽數(shù)碼管在應(yīng)用時(shí)將公共極 COM 接到+5V,當(dāng)某一字段發(fā)光二極管的陰極為低電平時(shí),相應(yīng)字段就點(diǎn)亮,當(dāng)某一字段的陰極為高電平時(shí),相應(yīng)字段就不亮。共陰數(shù)碼管是指將所有發(fā)光二極管的陰極接到一起形成公共陰極(COM)的數(shù)碼管,共陰數(shù)碼管在應(yīng)用時(shí)應(yīng)將公共極 COM 接到地線 GND上,當(dāng)某一字段發(fā)光二極管的陽極為高電平時(shí),相應(yīng)字段就點(diǎn)亮,當(dāng)某一字段的陽極為低電平時(shí),相應(yīng)字段就不亮。(2)51單片機(jī)單片機(jī)(MicroControllers)是一種集成電路芯片,是采用超大規(guī)模集成電路技術(shù)把具有數(shù)據(jù)處理能力的中央處理器 CPU、隨機(jī)存儲(chǔ)器 RAM、只讀存儲(chǔ)器ROM、多種 I/O口和中斷系統(tǒng)、定時(shí)器/計(jì)數(shù)器等功能集成到一塊硅片上構(gòu)成的一個(gè)小而完善的微型計(jì)算機(jī)系統(tǒng),在工業(yè)控制領(lǐng)域廣泛應(yīng)用。MSC-51 單片機(jī)指以 8051為核心的單片機(jī),由美國的 Intel 公司在 1980 年推出,80C51 是 MCS-51系列中的一個(gè)典型品種;其它廠商以 8051為基核開發(fā)出的CMOS 工藝單片機(jī)產(chǎn)品統(tǒng)稱為 80C51 系列。本實(shí)驗(yàn)中我使用普中科技的 51 單片機(jī)來點(diǎn)亮八位數(shù)碼管并使其顯示我的學(xué)號(hào)(20198043)。四、 實(shí)驗(yàn) 過程(1)熟悉數(shù)碼管使用 Proteus 軟件構(gòu)建電路圖,學(xué)會(huì)如何點(diǎn)亮數(shù)碼管,熟悉如何使數(shù)碼管顯示不同的數(shù)字(0-9)。我們可以按照上面的原理圖讓對(duì)應(yīng)的段導(dǎo)通,以顯示數(shù)字。對(duì)于共陽數(shù)碼管,若顯示數(shù)字 0,可以讓標(biāo)號(hào)為 A,B,C,D,E,F(xiàn) 的段導(dǎo)通,標(biāo)號(hào)為 G,H 的段不導(dǎo)通,然后將陽極通入高電壓,即顯示數(shù)字 0。代碼舉例如下:最后效果如下,成功點(diǎn)亮一個(gè)數(shù)碼管。經(jīng)過更多嘗試和學(xué)習(xí),學(xué)會(huì)使多位數(shù)碼管顯示多位數(shù)字。結(jié)果舉例如下:(2)多位數(shù)碼管顯示學(xué)號(hào)為了顯示我們學(xué)號(hào),就不能只使用一位數(shù)碼管,需要使用八位數(shù)碼管,相較于單位數(shù)碼管,多位數(shù)碼管更加復(fù)雜,驅(qū)動(dòng)函數(shù)有很大區(qū)別。多位數(shù)碼管使用同一組段選,不同的位選,因此就不能夠一對(duì)一地固定顯示,這就需要?jiǎng)討B(tài)掃描。動(dòng)態(tài)掃描:利用人眼視覺暫留,多位數(shù)碼管每次只顯示一位數(shù)字,但是切換頻率大于 200HZ(50 × 4),這樣就能讓人產(chǎn)生同時(shí)顯示多個(gè)數(shù)字的錯(cuò)覺。具體操作是輪流向數(shù)碼管送字形碼和相應(yīng)的位選。一個(gè)完整的驅(qū)動(dòng)程序不只以上這些,一個(gè)完整的數(shù)碼管驅(qū)動(dòng)有 6部分:1. 碼表(ROM):存儲(chǔ)段碼(一般放在 ROM中,節(jié)省 RAM空間),例如數(shù)字 0的段碼就是 0xC0,碼表則包含 0-9的段碼2. 顯存(RAM):保存要顯示的數(shù)字,取連續(xù)地址(便于查表)3. 段選賦值:通過查表(碼表)操作,將顯存映射到段碼4. 位選切換:切換顯示的位置5. 延時(shí):顯示的數(shù)字短暫保持,提升亮度6. 消影:消除切換時(shí)不同位置互相影響而產(chǎn)生的殘影
上傳時(shí)間: 2022-06-08
上傳用戶:canderile
Agenda■Motor Types Overview■BLDC Motor Applications■Comparison of DC to Brushless DC Motors■Hall Sensors■Six-Step Commutation■Sensorless Commutation with Back-EMFVector Motor Control basicsClosed-Loop Speed Control■Introduction to BLDC Motor Control Evaluation Kit■SummaryAll the popular motor types have their specific applications, and all can be controlled with MicroControllers.We wll talk about Brushless DC motors as it is the fast growing motor type today.Motors used in modern Air conditioners, home appliances, tools, even electric bikes are all going to Brushless DC.
標(biāo)簽: bldc 電機(jī)驅(qū)動(dòng)
上傳時(shí)間: 2022-07-07
上傳用戶:
基于LabVIEW的ARM Cortex-M3嵌入式開發(fā)寶典電子書內(nèi)容簡介第 1 篇 軟件篇1.1 LabVIEW Embedded Module for ARM MicroControllers 模塊介紹1.2 Keil RealView MDK 軟件介紹1.3 Keil RTX 實(shí)時(shí)操作系統(tǒng)介紹1.4 LabVIEW ARM Module 軟件架構(gòu)1.5 LabVIEW ARM Module、RealView MDK、實(shí)驗(yàn)平臺(tái)驅(qū)動(dòng)軟件安裝1.6 STM32 實(shí)驗(yàn)范例查找與 USB JLink-OB 驅(qū)動(dòng)加載第 2 篇 硬件篇2.1 ARM Cortex-M3 內(nèi)核簡介2.2 實(shí)驗(yàn)平臺(tái)介紹2.2.1 STM32 Starter Board(學(xué)習(xí)板)介紹2.2.2 STM32 Core Board(核心板)介紹2.2.3 STM32 DAQ Board(數(shù)采板)介紹2.3 實(shí)驗(yàn)平臺(tái)資源說明2.3.1 STM32 Starter Board 資源簡介2.3.2 STM32 Core Board 資源簡介2.3.3 STM32 DAQ Board 資源簡介2.4 My_ARM 實(shí)驗(yàn)平臺(tái)總結(jié)與展望第 3 篇 基礎(chǔ)模塊篇(附原理圖)3.1.1 GPIO 介紹3.1.2 GPIO 工作原理3.1.3 GPIO 驅(qū)動(dòng)實(shí)現(xiàn)3.1.4 GPIO 兩種驅(qū)動(dòng)方式比較3.1.5 GPIO 總結(jié)3.2 ADC/DAC3.2.1 ADC 介紹3.2.2 ADC 驅(qū)動(dòng)實(shí)現(xiàn)3.2.3 DAC 介紹3.2.4 DAC 驅(qū)動(dòng)實(shí)現(xiàn)3.3 中斷(60 線)3.3.1 外部中斷(19 線)3.3.1.1 外部 I/O 中斷(GPIO:16 線)3.3.1.2 外部特定中斷(PVD、RTC、USB:3 線)3.3.2 外部中斷的驅(qū)動(dòng)實(shí)現(xiàn)3.3.3 定時(shí)器中斷(TIM2~TIM5、TIM6、TIM7、TIM1、TIM8)3.3.3.1 基本定時(shí)器中斷3.3.3.2 通用定時(shí)器中斷3.3.3.3 高級(jí)定時(shí)器中斷3.3.4 定時(shí)器中斷驅(qū)動(dòng)實(shí)現(xiàn)3.3.4.1 更新中斷驅(qū)動(dòng)實(shí)現(xiàn)3.3.4.2 輸入測(cè)量驅(qū)動(dòng)實(shí)現(xiàn)3.3.4.3 編碼器驅(qū)動(dòng)實(shí)現(xiàn)3.4 PWM 生成3.4.1 PWM 原理、應(yīng)用3.4.2 PWM 驅(qū)動(dòng)實(shí)現(xiàn)3.4.3 PWM 設(shè)置技巧3.5 看門狗3.5.1 獨(dú)立看門狗(IWDG)介紹3.5.2 獨(dú)立看門狗驅(qū)動(dòng)實(shí)現(xiàn)3.5.3 窗口看門狗(WWDG)介紹3.5.4 窗口看門狗驅(qū)動(dòng)實(shí)現(xiàn)3.6 TFTLCD 顯示、觸摸屏操作、OLED 顯示3.6.1 TFTLCD 工作原理3.6.2 TFTLCD 顯示驅(qū)動(dòng)實(shí)現(xiàn)3.6.3 觸摸屏工作原理3.6.4 觸摸屏驅(qū)動(dòng)實(shí)現(xiàn)3.6.5 OLED 工作原理3.6.6 OLED 驅(qū)動(dòng)實(shí)現(xiàn).............
標(biāo)簽: labview arm cortex-m3 嵌入式
上傳時(shí)間: 2022-07-17
上傳用戶:
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