IAmAProgrammer - 博客园

2015年8月26日

摘要： Timers TIM1 and TIM8 use 16-bit counters and are the most complex timers of all timers included in the microcontroller.Timers TIM2 and TIM5 are 32-bit... 阅读全文

posted @ 2015-08-26 18:29 IAmAProgrammer 阅读(859) 评论(0) 推荐(0) 编辑

STM32F103ZET6 用定时器级联方式输出特定数目的PWM

摘要： STM32F103ZET6 用定时器级联方式输出特定数目的PWMSTM32F103ZET6里共有8个定时器，其中高级定时器有TIM1-TIM5、TIM8，共6个。这里需要使用定时器的级联功能，ST的RM0008 REV12的P388和P399页上有说明对于特定的定时器，怎么去选择级联功能，参见表86... 阅读全文

posted @ 2015-08-26 18:11 IAmAProgrammer 阅读(3610) 评论(0) 推荐(0) 编辑

使用36-pin的STM32输出VGA, VGA output using a 36-pin STM32

摘要：使用36-pin的STM32输出VGA手头上有个项目需要通过单片机来控制将图像显示在LCD上，在网上搜了一阵子，发现都是使用的FPGA做的，开始自己对FPGA不是很熟，一直在用的也是ARM系列的，终于让我找到一份至少现在看起来还是含金量蛮高的资料，因为是英文的，这边先将它翻译一下（原文链接）。想... 阅读全文

posted @ 2015-08-26 17:46 IAmAProgrammer 阅读(8856) 评论(0) 推荐(0) 编辑

CRT/LCD/VGA Information and Timing

摘要：彩色阴极射线管的剖面图:1.电子QIANGThree Electron guns (for red, green, and blue phosphor dots)2.电子束Electron beams3.聚焦线圈Focusing coils4.偏向线圈Deflection coils5.阳极接点An... 阅读全文

posted @ 2015-08-26 16:47 IAmAProgrammer 阅读(6636) 评论(0) 推荐(3) 编辑

2015年8月25日

STM32F4 Timer Internal Trigger Connection

摘要： The Timers can be cascaded to make more complex timing relationships, or longer periods.Internally only some timers can trigger others.This is a Maste... 阅读全文

posted @ 2015-08-25 23:11 IAmAProgrammer 阅读(3613) 评论(0) 推荐(0) 编辑

Serial Wire Debug (SWD) Interface -- PSoc5

摘要： PSoC 5 supports programming through the serial wire debug (SWD) interface.There are two signals in SWD interface: data signal (SWDIO) and a clock for ... 阅读全文

posted @ 2015-08-25 11:55 IAmAProgrammer 阅读(5914) 评论(0) 推荐(0) 编辑

STM32 SPI DMA 的使用

摘要： STM32 SPI DMA 的使用　一是想总结一下SPI总线的特点与注意点，二是总结一下SPI DMA的使用一、SPI信号线说明通常SPI通过4个引脚与外部器件相连：MISO：主设备输入/从设备输出引脚。该引脚在从模式下发送数据，在主模式下接收数据。MOSI：主设备输出/从设备输入引脚。该引脚在... 阅读全文

posted @ 2015-08-25 04:23 IAmAProgrammer 阅读(7632) 评论(0) 推荐(0) 编辑

The STM32 SPI and FPGA communication

摘要： The STM32 SPI and FPGA communicationSTM32 spi bus communicationSPI bus in the study, the protocol and hardware description is not to say that the four... 阅读全文

posted @ 2015-08-25 04:16 IAmAProgrammer 阅读(1368) 评论(0) 推荐(0) 编辑

HOWTO: Use STM32 SPI half duplex mode

摘要： HOWTO: Use STM32 SPI half duplex modeI’ve got my hands onto some STM32F030F4P6 ARM-Cortex M0 processors.Though touted as “32 cents 32-bit micro”, it i... 阅读全文

posted @ 2015-08-25 04:13 IAmAProgrammer 阅读(2757) 评论(0) 推荐(0) 编辑

关于STM32 SPI NSS的讨论

摘要： NSS分为内部引脚和外部引脚。NSS外部引脚可以作为输入信号或者输出信号，输入信号一般用作硬件方式从机的片选，而输出信号一般用于主SPI去片选与之相连的从SPI。NSS从设备选择有两种模式：1、软件模式可以通过设置SPI_CR1寄存器的SSM位来使能这种模式，当它为1时，NSS引脚上的电平由SSI决... 阅读全文

posted @ 2015-08-25 04:08 IAmAProgrammer 阅读(10189) 评论(0) 推荐(0) 编辑

Open JTAG Project

摘要： Open JTAG Project is an open source hardware and software for a high speed USB JTAG tool.In this site, you can find and download all necesary files to... 阅读全文

posted @ 2015-08-25 02:26 IAmAProgrammer 阅读(6717) 评论(0) 推荐(0) 编辑

What is OpenOCD?

摘要： AboutOpenOCD was created by Dominic Rath as part of a 2005 diploma thesis written at the University of Applied Sciences Augsburg (http://www.hs-augsbu... 阅读全文

posted @ 2015-08-25 02:23 IAmAProgrammer 阅读(574) 评论(0) 推荐(0) 编辑

OpenOCD Debug Adapter Configuration

摘要： Correctly installing OpenOCD includes making your operating system give OpenOCD access to debug adapters. Once that has been done, Tcl commands are us... 阅读全文

posted @ 2015-08-25 02:22 IAmAProgrammer 阅读(3189) 评论(0) 推荐(0) 编辑

OpenOCD 0.9.0 release

摘要： OpenOCD 0.9.0 releaseMay 18th, 2015I’m happy to announce the release of OpenOCD version 0.9.0, finally!It tooks us a bit more than a year but the list... 阅读全文

posted @ 2015-08-25 02:16 IAmAProgrammer 阅读(610) 评论(0) 推荐(0) 编辑

SWD Registers

摘要：阅读全文

posted @ 2015-08-25 02:09 IAmAProgrammer 阅读(233) 评论(0) 推荐(0) 编辑

ARM DEBUGGER FOR NEARLY ONE DOLLAR

摘要： http://hackaday.com/2014/01/23/arm-debugger-for-nearly-one-dollar/Oh that title is so misleading.But if you squint your eyes and scratch your noggin i... 阅读全文

posted @ 2015-08-25 02:08 IAmAProgrammer 阅读(345) 评论(0) 推荐(0) 编辑

SW-DP (Serial Wire Debug Port) Analyzer plugin for the Saleae Logic

摘要： SW-DP (Serial Wire Debug Port) Analyzer plugin for the Saleae LogicThe SW-DP protocol is described by the following publicly available documents:DDI 0... 阅读全文

posted @ 2015-08-25 01:54 IAmAProgrammer 阅读(1125) 评论(0) 推荐(0) 编辑

SWD Connect/Transfer Source Code

摘要： Serial Wire Debug interfaceThe Serial Wire Debug protocol operates with a synchronous serial interface.This uses a single bidirectional datasignal, an... 阅读全文

posted @ 2015-08-25 01:40 IAmAProgrammer 阅读(3412) 评论(0) 推荐(0) 编辑

Dapper Miser implementation of CMSIS-DAP, MC HCK as SWD Adapter

摘要： Dapper MiserIn late 2013, I created a functional implementation of CMSIS-DAP that runs in a low cost ~$1 PIC16F1454 microcontroller.My interest was se... 阅读全文

posted @ 2015-08-25 01:38 IAmAProgrammer 阅读(944) 评论(0) 推荐(0) 编辑

STM32定时器级联 -- AN2592

摘要： Master configuration When a timer is selected as a master timer, the corresponding trigger output signalis used by the slave internal trigger (when co... 阅读全文

posted @ 2015-08-25 00:52 IAmAProgrammer 阅读(7976) 评论(0) 推荐(1) 编辑

2015年8月24日

Training JTAG Interface

摘要： For most embedded CPU architecture implementations, the JTAG port is used by the debugger to interfacethe chip for debugging one or more cores.The nor... 阅读全文

posted @ 2015-08-24 01:45 IAmAProgrammer 阅读(1119) 评论(0) 推荐(0) 编辑

JTAG Simplified

摘要： JTAG SimplifiedSo the other day, I explored the JTAG bus interface which is frequently found in CPLDs/FPGAs and is most of the times the sole method o... 阅读全文

posted @ 2015-08-24 01:17 IAmAProgrammer 阅读(869) 评论(0) 推荐(0) 编辑

JTAG - General description of the TAP Controller states

摘要： A transition between the states only occurs on the rising edge of TCK, and each state has a different name.The two vertical columns with seven states ... 阅读全文

posted @ 2015-08-24 01:15 IAmAProgrammer 阅读(1047) 评论(0) 推荐(0) 编辑

JTAG – A technical overview and Timing

摘要： This document provides you with interesting background information about the technology that underpins XJTAG. You do not need to know any of this howe... 阅读全文

posted @ 2015-08-24 00:58 IAmAProgrammer 阅读(11628) 评论(0) 推荐(0) 编辑

2015年8月23日

STM32输入捕获模式设置并用DMA接收数据

摘要：参考：STM32的PWM输入模式设置并用DMA接收数据Input capture modeThe input stage samples the corresponding TIx input to generate a filtered signal TIxF.Then, an edge dete... 阅读全文

posted @ 2015-08-23 21:51 IAmAProgrammer 阅读(6893) 评论(0) 推荐(0) 编辑

STM32F4 -- How to use the DMA burst feature

摘要： Bits 15:13 Reserved, must be kept at reset value.Bits 12:8 DBL[4:0]: DMA burst lengthThis 5-bit vector defines the number of DMA transfers(the timer d... 阅读全文

posted @ 2015-08-23 21:49 IAmAProgrammer 阅读(5679) 评论(0) 推荐(0) 编辑

Programming Internal Flash Over the Serial Wire Debug <SWD> Interface -- EFM32

摘要： 1 Debug Interface Overview1.1 Serial Wire DebugSerial Wire Debug (SWD) is a two-wire protocol for accessing the ARM debug interface.It is part ofthe A... 阅读全文

posted @ 2015-08-23 19:38 IAmAProgrammer 阅读(15234) 评论(0) 推荐(0) 编辑

SPI中的极性CPOL和相位CPHA

摘要：详解SPI中的极性CPOL和相位CPHASPI由于接口相对简单（只需要4根线），用途算是比较广泛，主要应用在 EEPROM，FLASH，实时时钟，AD转换器，还有数字信号处理器和数字信号解码器之间。即一个SPI的Master通过SPI与一个从设备，即上述的那些Flash，ADC等，进行通讯。而主从设... 阅读全文

posted @ 2015-08-23 15:00 IAmAProgrammer 阅读(27184) 评论(0) 推荐(7) 编辑

TimingTool - The Timing Diagram Editor

摘要： TimingTool - The Timing DiagramTimingTool is designed to give electronics engineers an easy to use graphical interface for enteringand editing timing ... 阅读全文

posted @ 2015-08-23 12:16 IAmAProgrammer 阅读(863) 评论(0) 推荐(0) 编辑

LPC-LINK 2

摘要： LPC-Link 2is an extensible, stand-alone debug adapter that can be configured to support various development toolsand IDEs by downloadable firmwares.Av... 阅读全文

posted @ 2015-08-23 09:32 IAmAProgrammer 阅读(2608) 评论(0) 推荐(0) 编辑

SWD and JTAG selection mechanism

摘要： SWD and JTAG selection mechanismSWJ-DP enables either an SWD or JTAG protocol to be used on the debug port.To do this, it implements a watcher circuit... 阅读全文

posted @ 2015-08-23 01:25 IAmAProgrammer 阅读(797) 评论(0) 推荐(0) 编辑

Freescale OSBDM JM60仿真器 BGND Interface

摘要： The BGND interface provides the standard 6 pin connection for the single wire BGND signal type development port.Target types that apply this developme... 阅读全文

posted @ 2015-08-23 01:03 IAmAProgrammer 阅读(1431) 评论(0) 推荐(0) 编辑

2015年8月22日

SPI SWD Protocol Implement

摘要： //=================================================================================// ARM SWD Mode Port Bit masks//#if (HW_CAPABILITY&CAP_SWD_HW)#ifnd... 阅读全文

posted @ 2015-08-22 23:38 IAmAProgrammer 阅读(2336) 评论(0) 推荐(0) 编辑

cmsis dap interface firmware

摘要： cmsis dap interface firmwareThe source code of the mbed HDK (tools + libraries) is available in this repository:https://github.com/mbedmicro/CMSIS-DAP... 阅读全文

posted @ 2015-08-22 22:36 IAmAProgrammer 阅读(1382) 评论(0) 推荐(0) 编辑

Serial Wire Debugging the STM32 via the Bus Pirate

摘要： Serial Wire Debugging the STM32 via the Bus Pirate2 October 2010Step 1 - The Bus PirateStep 2 - Debug Port CommunicationsStep 3 - Access Port Communic... 阅读全文

posted @ 2015-08-22 21:32 IAmAProgrammer 阅读(678) 评论(0) 推荐(0) 编辑

IBDAP-CMSIS-DAP

摘要： IBDAP-CMSIS-DAPArmstart's CMSIS-DAP firmware implementation in gcc and makefile.http://www.armstart.comIBDAPis a fully CMSIS-DAP compatible debug adap... 阅读全文

posted @ 2015-08-22 21:13 IAmAProgrammer 阅读(1875) 评论(0) 推荐(0) 编辑

swddude -- A SWD programmer for ARM Cortex microcontrollers.

摘要： Introducing swddudeI love the ARM Cortex-M series of microcontrollers. The sheer computational power they pack into a teensy, low-power package is alm... 阅读全文

posted @ 2015-08-22 21:10 IAmAProgrammer 阅读(2141) 评论(0) 推荐(0) 编辑

Versaloon -- Connect To Targets

摘要： VersaloonFull open-source(GPLv3) platform for multiple applications, including programmer, debugger, logic tester, logic analyzer, simple oscilloscope... 阅读全文

posted @ 2015-08-22 21:02 IAmAProgrammer 阅读(533) 评论(0) 推荐(0) 编辑

Implementation of Serial Wire JTAG flash programming in ARM Cortex M3 Processors

摘要： Implementation of Serial Wire JTAG flash programming in ARM Cortex M3ProcessorsThe goal of the project was to use the Serial Wire JTAG protocol implem... 阅读全文

posted @ 2015-08-22 20:57 IAmAProgrammer 阅读(1651) 评论(0) 推荐(0) 编辑

USBDM BDM Interface for Freescale Microcontroller -- Hardware

摘要： USBDM BDM Interface for Freescale Microcontroller -- HardwareAdapter_4_0_0 - Adapter for Coldfire -> KinetisJMxx_PCB_4_0_0 - JMxx based BDMs (current ... 阅读全文

posted @ 2015-08-22 20:43 IAmAProgrammer 阅读(289) 评论(0) 推荐(0) 编辑