best avr programmer

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The compiler optimization of AVR-GCC is a double-edged sword, and it is overcast with a careless ~

Question: Code optimization double-edged sword, An error occurs accidentally. Static in GCC, Difficult to detect after an error, If you don't want to cover the road, Volatile! Laboratory development of the sensor network node using the AVR series microcontroller circuit board, AVR-GCC provides 5-level code optimization, because the node Running code is more complex, the functions such as routing, networkin

What did I do when I started the AVR application (head. s)

Because our firmware does not want to use the C library, the linker script and C-runtime both need to be written by themselves, but they have not been written yet. It is nothing more than a few lines of the C library. There is nothing to say, so we will write the main record of the avr c-runtime: 1. set the interrupt vector table (vector), which is defined in Datasheet. Each chip is different, and the number of vectors is also different. To achieve

How to create an AVRGCC project under AVR Studio

Software you need to install 1: AVRStudio4.13 2: WinAVR-20080610-install Step 1: Project-> New Project prompt dialog box below. In Project Type, select avr gcc and enter the Name of the Project to be created in Project Name, select the directory where the project is located in Location. If you are not clear about the directory, click Help to read the Help file. Click Next to go to the Next step. When creating the project file directory, you must no

Serial Port and PC communication code based on AVR (uart8-bit data ),

Serial Port and PC communication code based on AVR (uart8-bit data ), In order to continue to improve the function based on this code in the future, we will put the code here and learn it with everyone. /************************************AVR clock: 8.00 MHz * 8-bit data with a baud rate of 9600 (51) and 1-bit data is stopped. When the baud rate is set to 19200, UBRR = 25, 4800 = 103 * Note: The best baud

Arduino when avr Development Board

The principle is not complex, because arduino is already a database with a bunch of avr +, just find a tool that can compile and translate hex and download it to the board. However, we still encounter many problems. First, make: Interrupt/Exception caught (code = 0xc00000fd, addr = 0x4217b3) appears during eclipse + avr plugin compilation) Make cannot contain spaces like Program Files in the path. Copy o

Avr Microcontroller 1602 driver

// Compiler: ICC-AVR v6.31A// Target chip: M16// Clock: 8.0000 Mhz/*-------------------------------------------------------------LCD pin Definition1---GND2---VCC3---VO4---RS5---RW6---EN7 to 14--D0-D715 -- background light +16 -- background light------------------------------------------------------------------*/# Include # Include /*---------------------------------------------------------------The following figure shows the connection information be

Old text backup: AVR read-write EEPROM analysis

Since the EEPROM write cycle of the AVR is longer (generally milliseconds), special attention should be paid to it during programming. There's nothing to say about reading an EEPROM, it takes 4 clock cycles to read a byte of data, it can endure, it's more troublesome to write, Although the data placed in the EEPROM is not frequently accessed, although it is possible to use the read-compare-write mechanism to reduce the EEPROM write operation frequency

How to use C language to manipulate the I/O port of AVR (taking iccavr as an example)

How to use C language to manipulate the I/O port of AVR (taking iccavr as an example ): Example 1: Define pb0 as output and output as high Ddrb = bit (0); // defines pb0 as the output. Portb | = bit (0); // pb0 outputs a high level Example 2: Define pb0 and PB1 as outputs, and pb0 outputs Low levels. PB1 outputs high levels. Ddrb | = bit (0) | bit (1); // defines pb0 and PB1 as the output. Portb | = bit (0) | bit (1); // pb0, PB1 output high level

2017.11.7 Python Production EFM32/AVR batch Burn tool

Customer need program quickly ASAP. Ok,i need to set-a table for test.1 Reference dataHttp://www.cnblogs.com/tkinter/p/5632273.htmlHttps://github.com/laborer/stcflash2install the Software:python3programing Jig with Paba installYou need the following equipment:1. A Programming Jig for mounting, the PCBA to be programmed.2. A Windows PC with:A. EFM32 programming software.B. Programming adapter with USB cable. You should use SEGGER J-link Base.3. A 3.3V DC power supply for the unit is programmed.4.

Selection Guide for AVR MCU

Atmega169 tqfp package mainly has the following models: ATmega169V-8AU, ATmega169V-8AI, ATmega169-16AU, ATmega169-16AI. Model ID description:(1) The difference between "V" and "V": the voltage range supported by "V" is 1.8-5.5 V. If "v" is not provided, the supported voltage range is 2.7-5.5 V.(2) The numeric part of the suffix represents the maximum system clock that MCU can support, such as ATmega169V-8AU and ATmega169V-8AI refers to the system clock that can support up to 8 MHz. While ATmega

AVR Microcontroller external Ram access

In a recent project, I learned about the external Ram Extension of the AVR microcontroller, which is recorded here. In this paper, we use a single-chip microcomputer with a single-chip microcomputer as the testing platform and expanded 74hc573 (AHC series are used in the data section. However, I used the HC series to configure the fastest access speed under the 16 m crystal oscillator and did not find anything wrong, of course this is not a rigorous d

[003] AVR Microcontroller controls Light Emitting Diode

microcontroller uses this port to control other circuits, it needs to modify the port level value, which will affect the original level value. So we need to use latches to maintain the original level, and it will not be affected by the new level value of the port. Light up a light emitting diode program code: 1 /************************************** **************************************** ** 2 * features: 3 * Light up the first light emitting diode 4*5 * header file: 6 * the I/O port of the o

AVR Hardware Design

(general-purpose registers and I/O registers) are also zeroed by the reset operation.There are 5 reset sources for the ATMEGA16 microcontroller, which are:1, power-on reset. When the system supply voltage is lower than the power-on reset threshold Vpot, the MCU resets.2, external reset. When the external pin reset is low and the low duration is longer than 1.5us, the MCU resets.3, the power-down detection (BOD) reset. When the BOD is enabled and the supply voltage is lower than the reset thresh

AVR 11th Lesson: How to treat our microcontroller

We learn MCS51 single-chip microcomputer and AVR MCU, or PIC microcontroller, or MSP430 MCU, whether it feels that he can become an engineer? I'm here to say what I think.We learn these single-chip computer, the first study of theoretical knowledge, this is generally the theoretical knowledge of books, such as the introduction of the development of single-chip microcomputer, the application of single-chip microcomputer, the principle of single-chip mi

The difference between a programmer and a non-programmer in a non-preparatory programmer's view

Do not know how to think of this topic, so write their own views, and we discuss the discussion. First, define the 2 main discussion objects: Professional programmer: Before the programmer is to read computer and related majors, such as: computer, mathematics, software engineering and so on. They work in the programmer's line mainly because they learn the line, of course, also like this line, or they are cu

Programmer second Step-from programmer to project Manager _ Programmer

Recently, there are two of news about programmers, so many it people are happy, one is the original Sina Weibo a PHP programmer diverted to sell fruit, not only the glasses picked, people turned white, even the hair has grown out, and one is the original game of the company's programmers quit selling "program Ape Pancake", a considerable income, not only buy a house to buy a car, Also married a beautiful "sesame cake Xi Shi", let people very envy. Pr

Programmer's Lake Programmer joint Development Network Programmer magazine Program

Data-id= "1190000004976959" data-licence= "" > There are some places where there is a lake. In ancient times, the gangs formed a lake, there are Shaolin, under the Wudang, left Emei, right there confraternity, each gang by virtue of their own advantages (such as confraternity dozen Dog Stick Law) in the lake, gangs of people to each other to grow their martial arts, occasionally open a martial arts conference to learn and absorb the good moves of not help, the winner more can become the martial

How to become a php programmer from asp.net programmer, asp. netphp programmer _ PHP Tutorial

From asp.net programmers to php programmers and asp. netphp programmers. How to become a php programmer from asp.net, asp. netphp programmers face increasingly heavy work, and our time is quickly compressed by the boss, but they want to learn new things, but they still don't want to become php programmers from asp.net programmers, asp. netphp programmer In the face of increasingly heavy work, our time ha

Programmer ---- how do you reduce the pressure? Share several programmer decompression websites ~, Decompression programmer

Programmer ---- how do you reduce the pressure? Share several programmer decompression websites ~, Decompression programmer Abstract:Coding at work, coding at work, and exhausting code every dayProgrammerWe can finally relax during the Mid-Autumn Festival holiday. However, I believe there may still be some of them fighting on the front line of the computer. Today

Funny programmer: Look at what type of Python programmer you are, python programmer

Funny programmer: Look at what type of Python programmer you are, python programmer Not long ago, there was an interesting article on the Internet about the Python Code Compiled by Python programmers of different levels on the same issue, the code is simple and interesting. Let's take a look at the entire process of advanced Python program. (Sneer) Novice Program

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